Report on Proposals A2006 Copyright, NFPA Report of the Committee on

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1 Report of the Committee on Automatic Sprinkler Systems (AUT-AAC) Technical Correlating Committee John G. O Neill, Chair The Protection Engineering Group, PC, VA [SE] Christian Dubay, Nonvoting Secretary National Fire Protection Association, MA Jose R. Baz, International Engineered Systems Limited, Incorporated, FL [M] Rep. NFPA Latin American Section Kerry M. Bell, Underwriters Laboratories Incorporated, IL [RT] Russell P. Fleming, National Fire Sprinkler Association, NY [M] Scott T. Franson, The Viking Corporation, MI [M] Raymond A. Grill, The RJA Group, Incorporated, VA [SE] James B. Harmes, Grand Blanc Fire, MI [E] Rep. International Association of Fire Chiefs Luke Hilton, Liberty Mutual Property, FL [I] Alex Hoffman, Viking Fire Protection Incorporated, Canada [IM] Rep. Canadian Automatic Sprinkler Association Roland J. Huggins, American Fire Sprinkler Association, Incorporated, TX [IM] Sultan M. Javeri, SC Engineering, France [IM] Andrew Kim, National Research Council of Canada, Canada [RT] Joe W. Noble, Clark County Fire, NV [E] Rep. International Fire Marshals Association Eric Packard, Local 669 JATC Education Fund, MD [L] Rep. United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the US & Canada Chester W. Schirmer, Schirmer Engineering Corporation, NC [I] Robert D. Spaulding, FM Global, MA [I] Rep. FM Global Lynn K. Underwood, Axis US Property, IL [I] Alternates Donald Don D. Becker, RJC & Associates, Incorporated, MO [IM] (Alt. to Roland J. Huggins) George Capko, Jr., FM Global, MA [I] (Alt. to Robert D. Spaulding) Randall S. Chaney, Liberty Mutual Property, CA [I] (Alt. to Luke Hilton) Kenneth E. Isman, National Fire Sprinkler Association, NY [M] (Alt. to Russell P. Fleming) George E. Laverick, Underwriters Laboratories Incorporated, IL [RT] (Alt. to Kerry M. Bell) Donald C. Moeller, The RJA Group, Incorporated, CA [SE] (Alt. to Raymond A. Grill) Garner A. Palenske, Schirmer Engineering Corporation, CA [I] (Alt. to Chester W. Schirmer) Donato A. Pirro, Electro Sistemas De Panama, S.A., Panama [M] (Alt. to Jose R. Baz) J. Michael Thompson, The Protection Engineering Group, PC, VA [SE] (Alt. to John G. O Neill) Nonvoting Antonio C. M. Braga, FM Global, CA [I] Rep. TC on Hanging & Bracing of Water-Based Systems Edward K. Budnick, Hughes Associates, Incorporated, MD [SE] Rep. TC on Sprinkler System Discharge Criteria Robert M. Gagnon, Gagnon Engineering, MD [SE] Rep. TC on Foam-Water Sprinklers William E. Koffel, Koffel Associates, Incorporated, MD [SE] Rep. Safety to Life Correlating Committee Kenneth W. Linder, GE Global Asset Protection Services, CT [I] Rep. TC on Sprinkler System Installation Criteria Daniel Madrzykowski, US National Institute of Standards & Technology, MD [RT] Rep. TC on Residential Sprinkler Systems J. William Sheppard, General Motors Corporation, MI [U] Rep. TC on Private Water Supply Piping Systems John J. Walsh, UA Joint Apprenticeship Committee, MD [SE] (Member Emeritus) Committee Scope: This Committee shall have overall responsibility for documents that pertain to the criteria for the design and installation of automatic, open and foam-water sprinkler systems including the character and adequacy of water supplies, and the selection of sprinklers, piping, valves, and all materials and accessories. This Committee does not cover the installation of tanks and towers, nor the installation, maintenance, and use of central station, proprietary, auxiliary, and local signaling systems for watchmen, fire alarm, supervisory service, nor the design of fire department hose connections. Report of the Committee on Hanging and Bracing of Water-Based Fire Protection Systems (AUT-HBS) Antonio C. M. Braga, Chair FM Global, CA [I] Rep. FM Global Samuel S. Dannaway, Secretary S. S. Dannaway Associates, Incorporated, HI [SE] James B. Biggins, Marsh Risk Consulting, IL [I] Richard W. Bonds, Ductile Iron Pipe Research Association, AL [M] James Dockrill, Troy Sprinkler Limited, Canada [IM] Rep. Canadian Automatic Sprinkler Association Daniel C. Duggan, Fire Sprinkler Design, MO [M] Thomas J. Forsythe, Hughes Associates, Incorporated, CA [SE] John D. Gillengerten, State of California, CA [E] Rep. Building Seismic Safety Council/Code Resource Support Committee Luke Hilton, Liberty Mutual Property, FL [I] Rep. Property Casualty Insurers Association of America Terry Holst, Tyco/Grinnell Fire Protection Systems Company, CA [M] Rep. National Fire Sprinkler Association Tina Marie King, GE Global Asset Protection Services, CA [I] Kraig Kirschner, AFCON, CA [M] Alan R. Laguna, Merit Sprinkler Company, Incorporated, LA [IM] George E. Laverick, Underwriters Laboratories Incorporated, IL [RT] Philip D. LeGrone, Risk Management Solutions, Incorporated, TN [SE] Michael J. Madden, Gage-Babcock & Associates, Incorporated, CA [SE] Wayne M. Martin, Wayne Martin & Associates Incorporated (WMA), CA [SE] J. Scott Mitchell, American Fire Sprinkler Association, TX [M] Donald C. Moeller, The RJA Group, Incorporated, CA [SE] David S. Mowrer, HSB Professional Loss Control, TN [I] Randy R. Nelson, PE, VFS Fire & Security Services, CA [IM] Rep. American Fire Sprinkler Association Janak B. Patel, Bechtel Savannah River Company, GA [U] Michael A. Rothmier, UA Joint Apprenticeship Committee, CO [L] Rep. United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the US & Canada James Tauby, Mason Industries, Incorporated, NY [M] Jack W. Thacker, Allan Automatic Sprinkler Corporation of Southern California, CA [IM] Rep. National Fire Sprinkler Association Victoria B. Valentine, National Fire Sprinkler Association, NY [M] Alternates Charles Bamford, Bamford Incorporated, WA [IM] (Alt. to Randy R. Nelson) Randall S. Chaney, Liberty Mutual Property, CA [I] (Alt. to Luke Hilton) Sheldon Dacus, Security Fire Protection Company, TN [M] (Alt. to Victoria B. Valentine) Christopher I. Deneff, FM Global, RI [I] (Alt. to Antonio C. M. Braga) Todd A. Dillon, GE Global Asset Protection Services, OH [I] (Alt. to Tina Marie King) Paul A. Hart, ERICO, Incorporated, OH [M] (Alt. to J. Scott Mitchell) Russell G. Hoeltzel, Marsh Risk Consulting, CA [I] (Alt. to James B. Biggins) Emil W. Misichko, Underwriters Laboratories Incorporated, IL [RT] (Alt. to George E. Laverick) Eric Packard, Local 669 JATC Education Fund, MD [L] (Alt. to Michael A. Rothmier) Allyn J. Vaughn, The RJA Group, Incorporated, NV [SE] (Alt. to Donald C. Moeller) George Von Gnatensky, Tolco, CA [M] (Alt. to Terry Holst) 13D-1

2 Ronald N. Webb, S.A. Comunale Company, Incorporated, OH [IM] (Alt. to Jack W. Thacker) Committee Scope: This Committee shall have the primary responsibility for those portions of NFPA 13 that pertain to the criteria for the use and installation of components and devices used for the support of water-based fire protection system piping including protection against seismic events. Report of the Committee on Private Water Supply Piping Systems (AUT-PRI) J. William Sheppard, Chair General Motors Corporation, MI [U] Rep. NFPA Industrial Fire Protection Section Christian Dubay, Nonvoting Secretary National Fire Protection Association, MA James B. Biggins, Marsh Risk Consulting, IL [I] Richard W. Bonds, Ductile Iron Pipe Research Association, AL [M] Phillip A. Brown, American Fire Sprinkler Association, Incorporated, TX [IM] Richard R. Brown, Brown Sprinkler Corporation, KY [IM] Rep. National Fire Sprinkler Association Stephen A. Clark, Jr., Allianz Risk Consultants, GA [I] Brandon W. Frakes, GE Global Asset Protection Services, NC [I] Robert M. Gagnon, Gagnon Engineering, MD [SE] David M. Gough, Global Risk Consultants Corporation, CT [SE] Luke Hilton, Liberty Mutual Property, FL [I] Rep. Property Casualty Insurers Association of America Gerald Kelliher, Westinghouse Savannah River Company, SC [U] Kevin J. Kelly, National Fire Sprinkler Association, NY [M] Marshall A. Klein, Marshall A. Klein & Associates, Incorporated, MD [SE] Alan R. Laguna, Merit Sprinkler Company, Incorporated, LA [IM] John Lake, Marion County Fire Rescue, FL [E] George E. Laverick, Underwriters Laboratories Incorporated, IL [RT] James M. Maddry, James M. Maddry, P.E., GA [SE] Kevin D. Maughan, Tyco Fire & Building Products, RI [M] David S. Mowrer, HSB Professional Loss Control, TN [I] Robert A. Panero, Pacific Gas and Electric Company, CA [U] Rep. Edison Electric Institute Sam (Sat) Salwan, Environmental Systems Design, Incorporated, IL [SE] James R. Schifiliti, Fire Safety Consultants, Incorporated, IL [IM] Rep. Illinois Fire Prevention Association James W. Simms, The RJA Group, Incorporated, CA [SE] Alternates Mark A. Bowman, GE Global Asset Protection Services, OH [I] (Alt. to Brandon W. Frakes) James K. Clancy, The RJA Group, Incorporated, CA [SE] (Alt. to James W. Simms) W. Clark Gey, Wayne Automatic Fire Sprinklers, Incorporated, FL [IM] (Alt. to Richard R. Brown) David M. Hammerman, Marshall A. Klein and Associates, Incorporated, MD [SE] (Alt. to Marshall A. Klein) Charles F. Hill, Ryan Fire Protection, Incorporated, IN [M] (Alt. to Kevin J. Kelly) Blake M. Shugarman, Underwriters Laboratories Incorporated, IL [RT] (Alt. to George E. Laverick) Lawrence Thibodeau, Hampshire Fire Protection Company Incorporated, NH [IM] (Alt. to Phillip A. Brown) Nonvoting Geoffrey N. Perkins, Bassett Consulting Engineers, Australia [SE] Committee Scope: This Committee shall have the primary responsibility for documents on private piping systems supplying water for fire protection and for hydrants, hose houses, and valves. The Committee is also responsible for documents on fire flow testing and marking of hydrants. Report of the Committee on Residential Sprinkler Systems (AUT-RSS) Daniel Madrzykowski, Chair US National Institute of Standards & Technology, MD [RT] Christian Dubay, Nonvoting Secretary National Fire Protection Association, MA George W. Baker, Mashpee Fire & Rescue, MA [E] Rep. International Association of Fire Chiefs Kerry M. Bell, Underwriters Laboratories Incorporated, IL [RT] Fred Benn, Advanced Automatic Sprinkler, Incorporated, CA [IM] Jonathan C. Bittenbender, REHAU Incorporated, VA [M] Frederick C. Bradley, FCB Engineering, GA [SE] Lawrence Brown, National Association of Home Builders, DC [U] Phillip A. Brown, American Fire Sprinkler Association, Incorporated, TX [IM] Edward K. Budnick, Hughes Associates, Incorporated, MD [SE] Thomas G. Deegan, The Viking Group, Incorporated, MI [M] Rep. National Fire Sprinkler Association Kenneth E. Isman, National Fire Sprinkler Association, NY [M] Gary L. Johnson, Noveon, Incorporated, VA [M] Rep. Committee for Firesafe Dwellings David Killey, Fire Busters Incorporated, Canada [IM] Rep. Canadian Automatic Sprinkler Association Alan G. Larson, Uponor Wirsbo Company Incorporated, MN [M] M. L. Larry Maruskin, US of Homeland Security, MD [C] Ronald G. Nickson, National Multi Housing Council, DC [U] Eric Packard, Local 669 JATC Education Fund, MD [L] Rep. United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the US & Canada Maurice M. Pilette, Mechanical Designs Limited, MA [SE] Chester W. Schirmer, Schirmer Engineering Corporation, NC [I] Harry Shaw, Fail Safe Safety Systems Incorporated, MD [M] Sandra Stanek, Rural/Metro Fire, AZ [E] George W. Stanley, Wiginton Fire Systems, FL [IM] Rep. National Fire Sprinkler Association Randolph W. Tucker, The RJA Group, Incorporated, TX [SE] Ed Van Walraven, Aspen Fire Protection District, CO [E] Terry L. Victor, Tyco/SimplexGrinnell, MD [M] Hong-Zeng (Bert) Yu, FM Global, MA [I] Alternates David W. Ash, Noveon, Incorporated, OH [M] (Alt. to Gary L. Johnson) James K. Clancy, The RJA Group, Incorporated, CA [SE] (Alt. to Randolph W. Tucker) Mark E. Fessenden, Tyco Fire & Building Products, RI [M] (Alt. to Terry L. Victor) Ron Fletcher, Aero Automatic Sprinkler Company, AZ [IM] (Alt. to Phillip A. Brown) David B. Fuller, FM Approvals, RI [I] (Alt. to Hong-Zeng (Bert) Yu) W. Clark Gey, Wayne Automatic Fire Sprinklers, Incorporated, FL [IM] (Alt. to George W. Stanley) Franz P. Haase, Uponor Wirsbo Company Incorporated, NH [M] (Alt. to Alan G. Larson) George E. Laverick, Underwriters Laboratories Incorporated, IL [RT] (Alt. to Kerry M. Bell) Thomas L. Multer, Reliable Automatic Sprinkler Company, GA [M] (Alt. to Thomas G. Deegan) Ron Murray, Plumbers and Steamfitters Local 290 (UA), OR [L] (Alt. to Eric Packard) Steven R. Rians, Standard Automatic Fire Enterprises, Incorporated, TX [IM] (Voting Alt. to AFSA Rep.) David W. Stroup, US National Institute of Standards & Technology, MD [RT] (Alt. to Daniel Madrzykowski) Joseph E. Wiehagen, National Association of Home Builders, MD [U] (Alt. to Lawrence Brown) James V. C. Yates, West Windsor Emergency Services, NJ [E] (Alt. to George W. Baker) 13D-2

3 Nonvoting Rohit Khanna, US Consumer Product Safety Commission, MD [C] Committee Scope: This Committee shall have primary responsibility for documents on the design and installation of automatic sprinkler systems in dwellings and residential occupancies up to and including four stories in height, including the character and adequacy of water supplies, and the selection of sprinklers, piping, valves, and all materials and accessories. Report of the Committee on Sprinkler System Discharge Criteria (AUT-SSD) Edward K. Budnick, Chair Hughes Associates, Incorporated, MD [SE] Christian Dubay, Nonvoting Secretary National Fire Protection Association, MA Charles O. Bauroth, Liberty Mutual Property, MA [I] Rep. Property Casualty Insurers Association of America Kerry M. Bell, Underwriters Laboratories Incorporated, IL [RT] Michael H. Blumenthal, Rubber Manufacturers Association, DC [M] James C. Bollier, Road Sprinkler Fitters UA Local 483, CA [L] Rep. United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the US & Canada Thomas G. Deegan, The Viking Group, Incorporated, MI [M] Russell P. Fleming, National Fire Sprinkler Association, NY [M] James G. Gallup, The RJA Group, Incorporated, AZ [SE] James E. Golinveaux, Tyco Fire & Building Products, RI [M] Joseph B. Hankins, Jr., FM Global Research, MA [I] Roland J. Huggins, American Fire Sprinkler Association, Incorporated, TX [IM] Sultan M. Javeri, SC Engineering, France [IM] Larry Keeping, Vipond Fire Protection, Canada [IM] Rep. Canadian Automatic Sprinkler Association Andrew Kim, National Research Council of Canada, Canada [RT] William E. Koffel, Koffel Associates, Incorporated, MD [SE] Chris LaFleur, General Motors Corporation, MI [U] Azarang (Ozzie) Mirkhah, Las Vegas Fire and Rescue, NV [E] Richard Pehrson, Futrell Fire Consult and Design, Incorporated, MN [E] Rep. International Fire Marshals Association Chester W. Schirmer, Schirmer Engineering Corporation, NC [I] Michael D. Sides, GE Global Asset Protection Services, FL [I] Peter A. Smith, International Paper Company, TN [U] Sandra Stanek, Rural/Metro Fire, AZ [E] David W. Stroup, US National Institute of Standards & Technology, MD [RT] Willie R. Templin, American Automatic Sprinkler, Incorporated, TX [IM] Jack W. Thacker, Allan Automatic Sprinkler Corporation of Southern California, CA [IM] Rep. National Fire Sprinkler Association William J. Tomes, TVA Fire and Life Safety, Incorporated, GA [U] Rep. The Home Depot Alternates Carl P. Anderson, Tacoma Fire, WA [E] (Alt. to Azarang (Ozzie) Mirkhah) Weston C. Baker, Jr., FM Global, MA [I] (Alt. to Joseph B. Hankins) Gordon Bates, Minneapolis Fire, MN [E] (Alt. to Richard Pehrson) Richard Battista, Fire Protection Industries, Incorporated, NJ [M] (Alt. to Russell P. Fleming) Mark A. Bowman, GE Global Asset Protection Services, OH [I] (Alt. to Michael D. Sides) John August Denhardt, Strickland Fire Protection, Incorporated, MD [IM] (Alt. to Willie R. Templin) Pravinray D. Gandhi, Underwriters Laboratories Incorporated, IL [RT] (Alt. to Kerry M. Bell) Donald Hopkins, Jr., Hughes Associates, Incorporated, MD [SE] (Alt. to Edward K. Budnick) Daniel Madrzykowski, US National Institute of Standards & Technology, MD [RT] (Alt. to David W. Stroup) Jack A. Medovich, East Coast Fire Protection, Incorporated, MD [IM] (Alt. to Roland J. Huggins) Thomas L. Multer, Reliable Automatic Sprinkler Company, GA [M] (Voting Alt. to NFSA Rep.) Garner A. Palenske, Schirmer Engineering Corporation, CA [I] (Alt. to Chester W. Schirmer) Raymond P. Schmid, Koffel Associates, Incorporated, MD [SE] (Alt. to William E. Koffel) George W. Stanley, Wiginton Fire Systems, FL [IM] (Alt. to Jack W. Thacker) Peter W. Thomas, Tyco Fire & Building Products, RI [M] (Alt. to James E. Golinveaux) William P. Thomas, Jr., TVA Fire and Life Safety, Incorporated, IL [U] (Alt. to William J. Tomes) Tom Vincent, Life Safety Systems, Canada [IM] (Alt. to Larry Keeping) Martin H. Workman, The Viking Group, Incorporated, MI [M] (Alt. to Thomas G. Deegan) Nonvoting Barry M. Lee, Tyco International, Australia [M] Committee Scope: This Committee shall have primary responsibility for those portions of NFPA 13 that pertain to the classification of various fire hazards and the determination of associated discharge criteria for sprinkler systems employing automatic and open sprinklers. Report of the Committee on Sprinkler System Installation Criteria (AUT-SSI) Kenneth W. Linder, Chair GE Global Asset Protection Services, CT [I] Rep. GE Global Asset Protection Services Christian Dubay, Nonvoting Secretary National Fire Protection Association, MA Weston C. Baker, Jr., FM Global, MA [I] Edward K. Budnick, Hughes Associates, Incorporated, MD [SE] Robert G. Caputo, Consolidated Fireprotection, Incorporated, CA [IM] Rep. American Fire Sprinkler Association Jean C. Carter, Jr., Louisiana Office of State Fire Marshal, LA [E] Del Dornbos, The Viking Corporation, MI [M] Rep. National Fire Sprinkler Association Robert E. Duke, Fire Control Incorporated, IL [IM] Randall Eberly, US Coast Guard, DC [E] David L. Foster, Insurance Services Office, Incorporated, NJ [I] Ralph Gerdes, Ralph Gerdes Consultants, LLC, IN [SE] Rep. American Institute of Architects Christopher M. Goddard, AstraZeneca, DE [U] Rep. NFPA Industrial Fire Protection Section Luke Hilton, Liberty Mutual Property, FL [I] Kenneth E. Isman, National Fire Sprinkler Association, NY [M] Larry Keeping, Vipond Fire Protection, Canada [IM] Rep. Canadian Automatic Sprinkler Association Michael D. Kirn, Code Consultants, Incorporated, MO [SE] George E. Laverick, Underwriters Laboratories Incorporated, IL [RT] Ausmus S. Marburger, Fire Protection Industries, Incorporated, PA [IM] Rep. National Fire Sprinkler Association Rodney A. McPhee, Canadian Wood Council, Canada [U] Peter J. McWilliams, Eastman Kodak Company, NY [U] Michael F. Meehan, Virginia Sprinkler Company, Incorporated, VA [IM] Rep. American Fire Sprinkler Association David S. Mowrer, HSB Professional Loss Control, TN [I] Joe W. Noble, Clark County Fire, NV [E] Rep. International Fire Marshals Association Eric Packard, Local 669 JATC Education Fund, MD [L] Rep. United Association of Journeymen & Apprentices of the Plumbing & Pipe Fitting Industry of the US & Canada Chester W. Schirmer, Schirmer Engineering Corporation, NC [I] Sandra Stanek, Rural/Metro Fire, AZ [E] Craig R. Studer, The RJA Group, Incorporated, CA [SE] Lynn K. Underwood, CSG Property, IL [I] Terry L. Victor, Tyco/SimplexGrinnell, MD [M] Alternates Michael A. Amar, Gage-Babcock & Associates, Incorporated, CA [SE] (Voting Alt. to Gage-Babcock Rep.) Hamid R. Bahadori, Hughes Associates, Incorporated, FL [SE] (Alt. to Edward K. Budnick) Kerry M. Bell, Underwriters Laboratories Incorporated, IL [RT] (Alt. to George E. Laverick) Phillip A. Brown, American Fire Sprinkler Association, Incorporated, TX [IM] (Alt. to Robert G. Caputo) Randall S. Chaney, Liberty Mutual Property, CA [I] (Alt. to Luke Hilton) Todd A. Dillon, GE Global Asset Protection Services, OH [I] (Alt. to Kenneth W. Linder) 13D-3

4 James E. Golinveaux, Tyco Fire & Building Products, RI [M] (Alt. to Terry L. Victor) Stephen R. Ide, Victaulic Company of America, PA [M] (Alt. to Del Dornbos) Elwin G. Joyce, II, Eastern Kentucky University, KY [U] (Alt. to Christopher M. Goddard) Richard S. Malek, Eastman Kodak Company, NY [U] (Alt. to Peter J. McWilliams) Thomas H. Miller, Varley-Campbell & Associates, Inc/Village of Glen Ellyn, IL [E] (Voting Alt. to NFPA/FSS Rep.) Richard Oliver, Oliver Sprinkler Company, Incorporated, PA [IM] (Alt. to Ausmus S. Marburger) Michael A. Rothmier, UA Joint Apprenticeship Committee, CO [L] (Alt. to Eric Packard) Steven J. Scandaliato, Scandaliato Design Group, Incorporated, CO [IM] (Alt. to Michael F. Meehan) LeJay Slocum, Schirmer Engineering Corporation, MD [I] (Alt. to Chester W. Schirmer) Robert Vincent, Shambaugh & Son, L.P., IN [M] (Alt. to Kenneth E. Isman) Tom Vincent, Life Safety Systems, Canada [IM] (Alt. to Larry Keeping) Corey C. Weldon, The RJA Group, Incorporated, TX [SE] (Alt. to Craig R. Studer) Nonvoting Barry M. Lee, Tyco International, Australia [M] Staff Liaison: Christian Dubay Committee Scope: This Committee shall have the primary responsibility for those portions of NFPA 13 that pertain to the criteria for the use and installation of sprinkler systems components (with the exception of those components used for supporting of piping), position of sprinklers, types of systems, plans and calculations, water supplies, and acceptance testing. Report II: The Committee proposes for adoption, amendments to NFPA 13D, Standard For the Installation of Sprinkler Systems in One- and Two- Family Dwellings and Manufactured Homes, 2002 edition. is published in Volume 1 of the 2004/2005 National Fire Codes and in separate pamphlet form. has been submitted to letter ballot of the Technical Committee on Residential Sprinkler Systems, which consists of 27 voting members. The results of the balloting, after circulation of any negative votes, can be found in the report. has also been submitted to letter ballot of the Technical Correlating Committee on Automatic Sprinkler Systems, which consists of 17 voting members; of whom 13 voted affirmatively, and 4 ballots were not returned (Baz, Harmes, Kim, and Schirmer). Report III: The Technical Committee proposes for adoption, amendments to NFPA 13R, Standard for the Installation of Sprinkler Systems in Residential Occupancies up to and Including Four Stories in Height, 2002 edition. NFPA 13R-2002 is published in Volume 1 of the 2004/2005 National Fire Codes and in separate pamphlet form. NFPA 13R has been submitted to letter ballot of the Technical Committee on Residential Sprinkler Systems, which consists of 27 voting members. The results of the balloting, after circulation of any negative votes, can be found in the report. NFPA 13R has also been submitted to letter ballot of the Technical Correlating Committee on Automatic Sprinkler Systems, which consists of 17 voting members; of whom 13 voted affirmatively, and 4 ballot(s) were not returned (Baz, Harmes, Kim, and Schirmer). Report IV: The Technical Committee proposes for adoption, amendments to NFPA 24, Standard for the Installation of Private Fire Service Mains and Their Appurtenances, 2002 edition. NFPA is published in Volume 2 of the 2004/2005 National Fire Codes and in separate pamphlet form. These lists represent the membership at the time the Committee was balloted on the text of this edition. Since that time, changes in the membership may have occurred. A key to classifications is found at the front of this book. The Report of the Committee on Automatic Sprinkler Systems is presenting five Reports for adoption, as follows: The Reports were prepared by the: Technical Correlating Committee on Automatic Sprinkler Systems (AUT- AAC) Technical Committee on Hanging and Bracing of Water-Based Fire Protection Systems (AUT-HBS) Technical Committee on Private Water Supply Piping Systems (AUT-PRI) Technical Committee on Residential Sprinkler Systems (AUT-RSS) Technical Committee on Sprinkler System Discharge Criteria (AUT-SSD) Technical Committee on Sprinkler System Installation Criteria ((AUT-SSI) Report I: The Committee proposes for adoption, amendments to NFPA 13, Standard for the Installation of Sprinkler Systems, 2002 edition. NFPA is published in Volume 1 of the 2004/2005 National Fire Codes and in separate pamphlet form. NFPA 13 has been submitted to letter ballot of the applicable Automatic Sprinkler Systems Committees. The results of the balloting, after circulation of any negative votes, can be found in the report. NFPA 13 has also been submitted to letter ballot of the Technical Correlating Committee on Automatic Sprinkler Systems, which consists of 17 voting members; of whom 14 voted affirmatively, and 3 ballots were not returned (Harmes, Kim, Underwood) NFPA 24 has been submitted to letter ballot of the Technical Committee on Private Water Supply Piping Systems, which consists of 23 voting members. The results of the balloting, after circulation of any negative votes, can be found in the report. NFPA 24 has also been submitted to letter ballot of the Technical Correlating Committee on Automatic Sprinkler Systems, which consists of 17 voting members; of whom 13 voted affirmatively, and 4 ballots were not returned (Baz, Harmes, Kim, Schirmer). Report V: The Technical Committee proposes for adoption, a reconfirmation to NFPA 291, Recommended Practice for Fire Flow Testing and Marking of Hydrants, 2002 edition. NFPA is published in Volume 13 of the 2004/2005 National Fire Codes and in separate pamphlet form. NFPA 291 has been submitted to letter ballot of the Technical Committee on Private Water Piping Systems, which consists of 23 voting members. The results of the balloting, after circulation of any negative votes, can be found in the report. NFPA 291 has also been submitted to letter ballot of the Technical Correlating Committee on Automatic Sprinkler Systems, which consists of 17 voting members; of whom 13 voted affirmatively, and 4 ballots were not returned (Baz, Harmes, Kim, and Schirmer). 13D-4

5 13D-1 Log #27 AUT-RSS Final Action: Reject (Entire Document) SUBMITTER: Harry Shaw, Harry Shaw & Assoc., Inc. RECOMMENDATION: I request that the chairman assign a task force to develop a section as a part of for Retrofit Kitchen System with consideration for the following items. Section 3 Proposal details. 1. Calculations to be for a single sprinkler. 2. Minimum density to be.07 GPM/SQ FT 3. Spacing to be no greater than 14 x Piping to be combined with plumbing system. 5. Piping to conform with applicable pluming standards. 6. Components other than sprinklers to conform with applicable plumbing standards. 7. Sprinkler to be listed. 8. Section for installer qualifications. 9. Section for designer qualifications. 10. Section for minimum warranty SUBSTANTIATION: 1. The use of the current is minimal. Residential sprinklers are being installed in only 2 percent or less of new residential construction. 2. during the past 24 years over 24 million new homes have been constructed. Less than one million have been sprinklered. More than 23 million have not been sprinklers. In the future, thousands more will die in the unsprinklered homes than in the sprinklered homes. With the known success of residential sprinklers (no death when a sprinkler activated properly) this trend should not be allowed to continue. 1. Approximately 90 percent of sprinkler replacements after activation have been a single sprinkler in the kitchen. 2. Approximately 90 percent of sprinkler activation s have been only one sprinkler. Spacings have been as high as 20 ft x 20 ft percent of residential fire are less sever than the UL Certification test requirement. 4. Many more lives will be saved with residential sprinkler systems. Many more injuries will be avoided. Property losses will be reduced. There will be less injuries and fewer deaths to firefighters. 5. A life safety residential sprinkler system will become a way of life which was the goal in At this time there is no substitute for the instant fire fighter. Water on the fire prevents flashover or at a minimum delays flashover. This is key to life safety from residential fires. 7. approximately fifteen percent (15 percent) of residential fire deaths results from kitchen fires. COMMITTEE STATEMENT: applies to the entire dwelling unit. While the proposed changes would provide an added level of protection for dwelling units which are otherwise unsprinklered, the primary purpose of is life safety. Currently requires sprinklers in the leading areas resulting in fire deaths including living rooms, family rooms, bed rooms and kitchens. 13D-3a Log #CP7 13D-2 Log #52 AUT-RSS Final Action: Accept in Principle (Entire Document) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Remove all references to Polybutylene and add appropriate references to Cross-Linked Polyethylene (PEX). SUBSTANTIATION: Polybutylene material has not been manufactured for a long time and should be removed from the standard. PEX pipe is permitted by the standard and should be referenced in the materials portion of the document. Accept the addition of the PEX specifications as follows: ASTM F876 ASTM F1960 ASTM F2080 In addition delete references to PB throughout. COMMITTEE STATEMENT: Meets the submitter s intent. 13D-3 Log #CP5 AUT-RSS Final Action: Reject (Entire Document) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Add criteria for a single sprinkler design at 0.07 gpm/sq.ft. SUBSTANTIATION: The committee proposes to begin to address the possibility of a single sprinkler design. There is currently ongoing research funded by USFA and being conducted by NIST. The technical committee is awaiting final results from this research. There is also currently ongoing data collection on residential sprinkler activations. Additionally, the committee seeks comments to address these proposed issues. COMMITTEE STATEMENT: The committee proposes to begin to address the possibility of a single sprinkler design. There is currently ongoing research funded by USFA and being conducted by NIST. The technical committee is awaiting final results from this research. There is also currently ongoing data collection on residential sprinkler activations. Additionally, the committee seeks comments to address these proposed issues. BALLOT RESULTS: Affirmative: 24 Negative: 2 L. BROWN: In agreement with Negative Ballot Comment submitted by Harry Shaw. SHAW: Comment: The Committee rejected this committee proposal. I disagree with the committee rejection. In other words I am voting negative. My reasons for a negative vote in opposition to the committtee are: 1. The current Standard is too costly. 2. The current Standard has to be mandated. 3. Mandating causes opposition of the NAHB. 4. With less than 2 percent of new 1 and 2 family having sprinklers after 25 years of marketing, something is wrong. I believe it is the cost which may be attributed to over design. 5. The current two sprinkler double.05 design is totally unnecessary and adds tremendous cost to the installation. 6. The double.05 design also requires more water than a normal plumbing system. 7. The double.05 design also requires pumps that will reduce the reliability of the system over 10 to 25 years. 8. It has been suggested that the double.05 design makes no sense and was adopted make multipurpose piping systems more difficult to install. 9. Without this proposal we are limited (stuck) to the double.05 until Can the sprinkler industry tell us that pumps are now being added to an estimated of new systems that would not have been required with a more reasonable GPM? 11. No more lives will be saved with the double.05 systems than were saved with prior Systems. 12. I believe a single.07 sprinkler design could reduce total installation costs by 30-40%. 13. I believe a single.07 sprinkler design could also reduce design cost and inspection cost. 14. I believe a single.07 sprinkler design could also bring us closer to a preengineered system and lower costs. 15. I believe it has been totally forgotten that was meant to be a life safety system. 16. I believe the results of the USFA/NIST/UL testing will show that a single.07 sprinkler will perform with one exception. I believe that exception is when the fire is exactly between two sprinklers and the fire is a concealed fire. The odds of this type of senario are probably less than 1 in a was never intended to be more than an 85% system. In summary, the way is going and the less that 2% marketing success will guarantee that more occupants will continue to die in unsprinklered dwellings than will ever be saved in sprinklered dwellings. Final Action: Accept (Entire Document) 13D-5 SUBMITTER: Technical Correlating Committee on Automatic Sprinkler Systems RECOMMENDATION: The TCC directs staff to editorially ensure that all logs are properly combined and correlated. Additionally, staff is directed to ensure compliance with the NFPA manual of style. SUBSTANTIATION: It is the intent of the TCC that staff editorially ensures that all accepted materials comply with the NFPA manual of style and that all of the accepted changes are incorporated into NFPA 13. Additionally the TCC wants to ensure that where multiple proposals affected a single section that the final text incorporates all of the accepted changes from the various proposals. [The TCC ballot results were 17 voting members; of whom 13 voted affirmatively and 4 ballots were not returned (Baz, Harmes, Kim and Schirmer).] 13d-4 Log #24 AUT-RSS Final Action: Reject (1.1) SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. RECOMMENDATION: Additional new text to be inserted in under Section 1.1, Scope. 1.1* Scope. This standard shall cover the design and installation of automatic sprinkler systems for protection against the fire hazards in one- and two-family dwellings and manufactured homes, and attached homes that meet all of the following conditions:

6 (1) there is no dwelling unit located above another dwelling unit, (2) all vertical suite separations are constructed as fire separation having not less than 1 hr fire-resistance rating, (3) the fire separation described in Clause (b) above provides continuous protection from top of the footing to the underside of the roof deck and any space between the top of the wall and the roof deck is tightly fitted with mineral wool or noncombustible material, (4) a storage garage serves only the dwelling unit to which it is attached or built in, and considered part of that dwelling unit, (5) each dwelling unit has its own exterior exit doorway (6) common attic or roof space projecting beyond the exterior wall of the building, the portion of any soffit or other surface enclosing the projection above a window or door less than 2.5 m vertically above the window or door and less than 1.2 m from either side of window or door, have no unprotected openings and are protected by noncombustible material, and meets local jurisdiction. (7) each dwelling unit has its own sprinkler water supply. SUBSTANTIATION: Attached row houses proposed to be covered under 13D are currently covered under NFPA 13R. Application of for proposed attached row houses permits easier maintenance for sprinkler system by an owner or manager. eliminates common valve station room and maintenance responsibility by the owner or manager under NFPA 13R standard. It is hard to regulate maintenance responsibility required under NFPA 13R section 6.9, and sprinkler protection levels will suffer without proper maintenance. separations. The sprinkler requirement for the storage garage under the NFPA 13R standard is not practical to implement for attached row houses with its own storage garage because of freeze protection. The storage garage in the proposed attached row houses are only accessible from a single dwelling unit and considered as part of that dwelling unit. Design criteria under NFPA 13R section requires storage garage to be sprinklered, but does not require it. Attached row houses completely separated by a vertical fire separation that has a fire-resistance rating of not less than 1 hour and extends through all stories and service spaces of the separated portions, each separated portion can be permitted to be considered as a separate building for the purpose of determining provided: a) each separated portion is not more than 3 stories in building height and is used only for residential occupancies, and b) the unobstructed path of travel for the fire fighter from the nearest street to one entrance of each separated portion is not more than 45 m, c) The vertical fire separation shall be terminated at the floor assembly immediately above a basement. COMMITTEE STATEMENT: The proposed issues are building code issues. It is inappropriate for to establish these limits. also eliminates sprinklers in a storage garage. The storage garage 13D-6 Log #48 AUT-RSS Final Action: Reject are part of each dwelling unit, but they are separated by vertical fire (1.1) separations. The sprinkler requirement for the storage garage under NFPA 13R standard is not practical to implement for attached row houses with its own storage garage because of freeze protection. The storage garage in the proposed attached row houses are only accessible from a single dwelling unit and considered as part of that dwelling unit. Design criteria under NFPA 13R section requires storage garage to be sprinklered, but does not require it. Attached row houses completely separated by a vertical fire separation that has a fire-resistance rating of not less than 1 hr and extends through all stories and service spaces of the separated portions, each separated portion can be permitted to be considered as a separate building for the purpose of determining provided a) each separated portion is not more than 3 stories in building height and is used only for residential occupancies, and b) the unobstructed path of travel for the fire fighter from the nearest street to one entrance of each separated portion is not more than 45 m, c) the vertical fire separation shall be terminated at the floor assembly immediately above a basement. COMMITTEE STATEMENT: The proposed issues are building code issues. It is inappropriate for to establish these limits. SUBMITTER: Denyse DuBrucq, AirWars Defense RECOMMENDATION: Add new text to read as follows: Liquid Nitrogen automatic sprinkler systems require one Liquid nitrogen dispensing unit per continuous air volume where water sprinkler systems are spaced to wet down sectors of the space insuring the whole area is dampened. The liquid is rained down in droplets, which evaporate flooding the space with cold Nitrogen gas. This cools the air and eliminates the Oxygen. Liquid Nitrogen is as effective in a grease, oil or wax fire as other fires. Water causes these organics to spatter spreading the burn. Nitrogen robs the fire of Oxygen and cools and solidifies or gels the grease, oil and wax. Where water damages the contents and decor, Nitrogen does not disturb the contents, colors and cools the air preventing heat warping of plastics. Single units are installed in one wall at a height above the floor to allow droplets to evaporate as they fall flooding the volume with cold Nitrogen gas. Fire recovery is less costly, losses are limited to what burned in the fire before Liquid Nitrogen application, and structural damage is reduced both by cooling the structure preventing heat-warping and maintaining colors and integrity of paper, wood and painted items. SUBSTANTIATION: Included with the drawing of Liquid Nitrogen dispensing unit is justification of including Liquid Nitrogen with water fire control. The reasons this, rather than halon-type chemical fire control categories, is where Liquid Nitrogen methods should be included in the NFPA Codes and Standards. This drawing of a unit system where 10 indicates a reservoir, 10a the transfer 13D-5 Log #46 AUT-RSS Final Action: Reject tubing, 11 the dispenser, and 14 the means to affix the dispenser to the window (1.1) inset or wall. When the Liquid Nitrogen is dispersed it is liquid 2 and as it evaporates it is gaseous 4. SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. RECOMMENDATION: Add new text as follows: 1.1* Scope. This standard shall cover the design and installation of automatic sprinkler systems for protection against the fire hazards in one- and two-family dwellings and manufactured homes, and attached homes that meet all of the following conditions. (1) there is no dwelling unit located above another dwelling unit, (2) all vertical suite separations are constructed as fire separation having not less than 1 hour fire-resistance rating, (3) the fire separation described in Clause (b) above provides continuous protection from the top of the footing to the underside of the roof deck and any space between the top of the wall and the roof deck is tightly fitted with mineral wool or noncombustible material, (4) a storage garage serves only the dwelling unit to which it is attached or built in, and considered part of that dwelling unit, (5) each dwelling unit has its own exterior exit doorway, (6) common attic or roof space projecting beyond the exterior wall of the building, the portion of any soffit or other surface enclosing the projection above a window or door less than 2.5 m vertically above the window or door and less than 1.2 m from either side of the window or door, have no unprotected openings and are protected by noncombustible material, and meets local jurisdiction, (7) each dwelling unit has its own sprinkler water supply. SUBSTANTIATION: Attached row houses proposed to be covered under 13D are currently covered under NFPA 13R. Application of for proposed attached row houses permits easier maintenance for sprinkler system by an owner or manager. eliminates common valve station room and maintenance responsibility by the owner or manager under NFPA 13R standard. It is hard to regulate maintenance responsibility required under NFPA 13R section 6.9, and sprinkler protection levels will suffer without proper maintenance. also eliminates sprinklers in a storage garage. The storage garage are part of each dwelling unit, but they are separated by vertical fire 13D-6

7 In the case of a Liquid Nitrogen (LN) fixed fire control system, the reservoir can hold one or more quantities to flood one or more living units with Nitrogen. Fire department LN supplies can add to the volume for multiple unit fires. Liquid Nitrogen systems should be included with Water systems for the following reasons: 1. Both Nitrogen and water are major ingredients in the natural earth s atmosphere. 2. Both Liquid Nitrogen and liquid water are brought to the fire scene. 3. Both are fire retardants in their gaseous form. 4. Both provide cooling of the vicinity of the fire through evaporation. 5. Both in great volume do not pollute the atmosphere. 6. Both in great volume do not pollute the watershed. COMMITTEE STATEMENT: The proposed changes are outside the scope of. The elimination of oxygen is counter to life safety. Additionally this is within the scope of the committee of gaseous fire systems. 13D-7 Log #49 AUT-RSS Final Action: Reject (1.1) SUBMITTER: Denyse Dubrucq, AirWars Defense RECOMMENDATION: Add new text as follows: Covers the design and installation of automatic sprinkler or Liquid Nitrogen automatic sprinkler. SUBSTANTIATION: Liquid Nitrogen automatic sprinkler systems require one Liquid Nitrogen dispensing unit per continuous air volume where eater sprinkler systems are spaced to wet down sectors of the space insuring the whole area is dampened. The liquid is rained down in droplets, which evaporate flooding the space with cold Nitrogen gas. This cools the air and eliminates the Oxygen. Liquid Nitrogen is as effective in a grease, oil or wax fire as other fires. Water causes these organics to spatter spreading the burn. Nitrogen robs the fire of Oxygen and cools and solidifies or gels the grease, oil and wax. Where water damages the contents and decor, Nitrogen does not disturb the contents, colors and cools the air preventing heat warping of plastics. Single units are installed in one wall at a height above the floor to allow droplets to evaporate as they fall flooding the volume with cold Nitrogen gas. Fire recovery is less costly, losses are limited to what burned in the fire before liquid Nitrogen application, and structural damage is reduced both by cooling the structure preventing heat-warping and maintaining colors and integrity of paper wood and painted items. COMMITTEE STATEMENT: The proposed changes are outside the scope of. The elimination of oxygen is counter to life safety. Additionally this is within the scope of the committee of gaseous fire systems. 13D-8 Log #CP6 AUT-RSS Final Action: Accept (3.3.5, , ) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Reword the following terms: Control Valve. An indicating valve employed to control (shut) a supply of water to a sprinkler system. Residential Sprinkler. A type of fast-response sprinkler having a thermal element with an RTI of 50 (meters-seconds) 1/2 or less, that has been specifically investigated for its ability to enhance survivability in the room of fire origin and is listed for use in the protection of dwelling units. Manufactured Home. A structure, transportable in one or more sections, which, in the traveling mode, is 8 body-ft (2.4 m) or more in width or 40 bodyft (12.2 m) or more in length or, when erected on site, is 320 ft 2 (29.7 m 2 ) or more and which is built on a permanent chassis and designed to be used as a dwelling, with or without a permanent foundation, when connected to the required utilities, and includes plumbing, heating, air-conditioning, and electrical systems contained therein; except that such terms shall include any structure which meets all the requirements of this paragraph except the size requirements and with respect to which the manufacturer voluntarily files a certification required by the regulatory agency. Calculations used to determine the number of square feet in a structure are based on the structure s exterior dimensions, measured at the largest horizontal projections when erected on site. These dimensions include all expandable rooms, cabinets, and other projections containing interior space, but do not include bay windows. SUBSTANTIATION: Terms reworded to address issues with the NFPA Glossary of Terms. 13D-9 Log #54 AUT-RSS Final Action: Accept in Principle ( Antifreeze System, 8.3.3) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Make the following three revisions to the antifreeze rules: 1. Replace the antifreeze definition ( ) with the definition from NFPA Copy the formula for sizing expansion tanks and include it as an annex note to section Insert a new section as follows: The expansion tank required by shall be approved, but is not required to be listed. SUBSTANTIATION: The antifreeze definition needs to include the concept that the system is still a type of wet pipe system. Otherwise, it would not be permitted to install residential sprinklers on an antifreeze system. Guidance is needed on the use of expansion tanks including sizing the tanks. In addition to the formula, it might be possible to include a small table to help contractors correctly size the expansion tank. Clarification is needed as to whether or not the tank needs to be listed for fire protection. Given that these tanks are expensive, we believe that the listing requirement is not in keeping with the philosophy of. This proposal was developed by the NFSA Engineering and Standards Committee. Add expansion tanks to the list in Section 5.1.3, and reword to read as follows: Tanks, expansion tanks, pumps, hangers, waterflow detection devices, and waterflow valves shall not be required to be listed. COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to relocate the expansion tank to Section COMMENT ON AFFIRMATIVE L. BROWN: The use of a Multipurpose Piping System is a one- or twofamily dwelling is very simple. The building water piping serves both the plumbing fixtures for the dwelling, and serves the fire sprinkler fixtures for the dwelling. As the same water pressure is applied to all of the water piping there is no need for a difference in rating just because part of the piping is attached to a fire suppression fixture or device. since the concerns of those submitting Negative Ballot Comments seems to center the fire suppression aspects of the system, please consider that the fire sprinkler heads are required to be listed. It should also be understood that the maximum static pressure allowed by the International Residential Code (IRC), and the International Plumbing Code (IPC) is 80 psi. One should take to heart that no lowered level of protection is present if a Multipurpose Piping System is installed that if a standalone system is installed, both in conformance with. ISMAN: The Committee Action on the proposal takes into account our concerns regarding item 3, but the action is not clear as to the disposition of items 1 and 2. We are hoping to clarify that items 1 and 2 were also accepted by the committee. STANLEY: The Committee Statement addresses the expansion tank, but does not mention the antifreeze definition (Item #1) or the formula for sizing the expansion tank (Item #2). These items were also accepted and should have been included in the Committee Statement. 13D-10 Log #17 AUT-RSS Final Action: Accept in Principle ( Multipurpose Piping System) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Add new annex text and visuals as follows: Multipurpose Piping System. A piping system within a residential occupancy intended to serve both domestic and fire protection needs. A Examples of Multipurpose Piping Systems: (Insert the three visuals, without the associated text regarding demand, from A.6.3 (a, b and c) as examples of multipurpose piping systems.) Network System. A type of multipurpose system utilizing a common piping system supplying domestic fixtures and fire sprinklers where each sprinkler is supplied by a minimum of three separate paths. A Example of a Network System: (Insert a visual of a network system.) SUBSTANTIATION: The added visuals will assist the AHJ in understanding and differentiating the types of 13D systems. Accept the proposed changes. Additionally, insert the accepted art from 13D- 75 (Log #33). COMMITTEE STATEMENT: See committee action and statement on 13D- 75 (Log #33). 13D-7

8 13D-11 Log #18 AUT-RSS Final Action: Accept ( Multipurpose Piping System) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Revise text as follows: Multipurpose Piping System. A piping system within a residential occupancy intended to serve both domestic and fire protection needs. SUBSTANTIATION: The language within a residential occupancy creates the impression with many AHJ s that a Multipurpose Piping System applies only within the building envelope. This is not always the case. Figure A.6.3(a) is a prime example of multipurpose piping occurring in a situation where it is not within the unit. The term residential occupancy is also proposed to be struck as it does not add any additional value to the definition. The term Multipurpose Piping System is already limited by the scope of the standard. 13d-12 Log #28 AUT-RSS Final Action: Reject (5.1.3, 7.4.2) SUBMITTER: Kraig Kirschner, AFCON RECOMMENDATION: Revise as follows: hangers listed, and... support requirements, shall be supported from structural members using listed hangers support methods... local plumbing codes. SUBSTANTIATION: Incorrect hanger usage is rampant in 13D systems. This simple change will improve system installation quality which improves system reliability. Many AHJ s have expressed support this reasoning. I ve attached 3 supporting documents. Note: Supporting material is available for review at NFPA Headquarters. COMMITTEE STATEMENT: The submitter did not provide data addressing specific failures to support the added proposed requirement for listed hangers. Additionally, section requires support of the sprinkler pipe to prevent the movement of the piping upon sprinkler operation. 13D-13 Log #13 AUT-RSS Final Action: Reject ( ) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Revise section as follows: Nonmetallic pipe used in multipurpose piping systems not equipped with a fire department connection shall be designed to withstand a working pressure of not less than psi (8.9 bar) at 120 F (49 C). SUBSTANTIATION: Most major plumbing codes only require water supply piping to be rated to 100 psi. Requiring 130 psi for fire sprinkler pipe in a multi-purpose system creates a scenario of where the piping and fixtures downstream of the sprinkler system are only rated to 100 psi and the sprinkler pipe is rated to 130 psi. The code is placing a dissimilar requirement on piping for the same system. In addition, most major plumbing codes allow a maximum pressure on domestic water systems of 80 psi. COMMITTEE STATEMENT: Due to the larger amounts of piping and installation practices the committee feels that the current safety factor is warranted. Additionally, the committee notes that currently piping acceptable to the plumbing codes are listed for the pressures currently required by NFPA 13D. Additionally permits piping to be located in unconditioned spaces, such as the attic, and therefore the additional temperature and pressure requirements are further warranted. Currently the plumbing codes do not allow for piping to be located in unconditioned spaces. 13d-14 Log #21 AUT-RSS Final Action: Reject ( ) RECOMMENDATION: Revise text as follows: Nonmetallic pipe used in multipurpose piping systems not equipped with a fire department connection shall be designed to withstand a working pressure of not less than psi (8.9 bar) at 120F 180F (49C) SUBSTANTIATION: For multipurpose piping systems, the piping serves both domestic and fire protection needs. Under the 2003 Uniform Plumbing Code and the 2003 International Plumbing Code, the minimum pressure rating for water distribution piping for domestic use is 100 psi at 180F. Both the 2003 Uniform Plumbing Code and the 2003 International Plumbing Code specify a maximum pressure on the water distribution system of 80 psi. This provides a 20-psi safety margin at a higher temperature than what is currently specified. COMMITTEE STATEMENT: See committee statement on 13D-13 (Log # 13). 13D-15 Log #43 AUT-RSS Final Action: Reject ( and ) RECOMMENDATION: Revise text as follows: Nonmetallic pipe used in multipurpose piping systems not equipped with a fire department connection shall be designed to withstand working pressure of not less than psi (8.9 bar) at 120 F (49 C) Nonmetallic fittings used in multipurpose piping systems not equipped with a fire department connection shall be designed to withstand a working pressure of not less than psi (8.9 bar) at 120 F (49 C). SUBSTANTIATION: Both major model plumbing codes restrict the maximum working pressure for multipurpose systems that supply domestic as well as a residential sprinkler system to a maximum of 80 psi. See Section IPC and Section UPC. Some pipe listing standards use 100 PSI as the maximum working pressure and all pipe approved for domestic use is rated for pressures that exceed the 80 PSI limit found in the major model plumbing code. Since the plumbing code requires a pressure-reducing device for domestic service when pressures exceed 80 PSI, multi-purpose piping serving both domestic and fire sprinkler systems will not exceed 80 PSI. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap COMMITTEE STATEMENT: See committee statement on 13D-13 (Log #13). 13D-16 Log #CP4 AUT-RSS Final Action: Accept ( and ) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Nonmetallic pipe used in piping systems not equipped with a fire department connection shall be permitted to be designed to withstand a working pressure of not less than 130 psi (8.9 bar) at 120 F (49 C) as follows: 1. Equipped with a pressure relief valve set at a maximum of the rated pressure of the pipe, or 2. Connected to the domestic plumbing system in such a manner that use of a domestic fixture will relieve trapped system pressure Nonmetallic fittings used in piping systems not equipped with a fire department connection shall be permitted to be designed to withstand a working pressure of not less than 130 psi (8.9 bar) at 120 F (49 C) as follows: 1. Equipped with a pressure relief valve set at a maximum of the rated pressure of the pipe, or 2. Connected to the domestic plumbing system in such a manner that use of a domestic fixture will relieve trapped system pressure. SUBSTANTIATION: Pressure relief from pressure surge or thermal expansion can be achieved from the usage of a domestic plumbing fixture or from a listed pressure relief valve. There are listed pressure relief valves with a standard setting of 125 psi as well as adjustable pressure relief valves that can be set at 130 psi. These devices can provide pressure relief in place of the domestic fixture for use on piping systems not equipped with a fire department connection while still maintaining the temperature/pressure requirements of 130 psi (8.9 bar) at 120 F (49 C). BALLOT RESULTS: Affirmative: 22 Negative: 4 BENN: I do not think we should allow pipe rated at lower pressure than all other components (175 PSI) to be installed in stand-alone residential systems. We lowered level of protection in the 2000 edition because the pipe would be 13D-8

9 installed in a plumbing system and the other components (fixtures, etc.) were rated at 80 PSI. If a failure occurred, it would be a plumbing failure not a sprinkler failure. JOHNSON: Reference: Last proposal brought up under new business on Tuesday, February 22, 2005, to allow a pressure relief valve to be added to 130 psi at 120 F PEX tubing under Chapter 5: for pipe and for fittings. Recommendation: Reject. Rationale: If PEX which is restricted to a 130 psi and 120 F pressure rating is allowed to have a pressure relief valve added simply to protect the tubing due to this substandard pressure performance, PEX would be allowed in stand alone systems. This would greatly compromise the fire protection integrity provided by the other components of the system having the required 175 psi pressure rating. PEX was always intended for use only in multipurpose fire protection systems where its marginal pressure performance better matches that of a residential plumbing system. History: Four years ago, the NFPA Technical Committee allowed PEX tubing although it could not match the industry accepted 175 psi at 120 F pressure bearing capability. The Technical Committee at that time agreed to reduce the NFPA pressure requirement for this tubing from 175 psi allowing this substandard pressure bearing tubing material to be used in restricted applications. PEX with a 130 psi at 120 F pressure bearing capability was given limited allowance provided its installation and use was solely restricted to multipurpose systems. This was done as a compromise and the NFPA Technical Committee was very specific about where this substandard tubing material could be used: Multipurpose Systems Only. Reference , , , and 6.3. The Technical Committee rationale for allowing a tube that did not meet normal NFPA pressure requirements is sound as long as this materials end use in fire protection is restricted solely to MP systems. Examples of this rationale are: 1. There can never be an FDC added. 2. The material is used only in conjunction with plumbing systems that meets the plumbing codes that limit pressures to 80 psi. It is also important to note that there are two types of multipurpose systems; a network system using 1/2 in. pipe and a looped system using 3/4 in. and 1 in. pipe. Justification for Rejection: 1. Multipurpose materials such as PEX tubing do not meet all performance requirements of an NFPA recognized system. The intent of a pressure relief valve is not to protect a grossly marginal tubing component within a fire sprinkler system. Rather the method of protecting the fire sprinkler system from these products is not to use the substandard tubing material at all. This definitely is not good fire protection. 2. Any home owner or AHJ should have assurance on the quality of there fire sprinkler system and know that it has not been compromised with a substandard tubing material. If they opt for a stand alone system, they should be assured that the pipe and fittings are of the same standard that they would have in an apartment, hotel or condo. 3. A stand alone system may or may not have an FDC. If an FDC is added, the 130 psi pressure relief valve will most definitely restrict the mobile fire equipments capability; especially on a hot day. This compromise can grossly jeopardize the protection and safety of those entering the structure. 4. If Pex would like to be used in stand alone systems, its simply a matter of increasing the wall thickness to meet 120 psi (SDR 7) rather than adding a device to thinner wall material that may fail with locked in pressure surges, may give false alarms or cause water damage. Technical Information: SDR 13.5 CPVC is rated at 175@ 150 degrees (BlazeMaster system & Victaulic pipe) SDR 9 PB is rated at 120 degrees (No longer on the market) SDR 9 PEX is rated at 120 degrees (MP-1/2 in Network system: Wirsbo) SDR 9 PEX is rated at 120 degrees (MP-3/4-1 in. Looped system: ReHau) The strength of all thermoplastic pipe is dependent on two things; Pressure and Temperature. This can be plotted on a derating curve that shows the different failure points of each material as the temperature increases. Reference the attached graph showing CPVC and PEX. An example of how to read this graph is to look at 150 degrees: The rated pressure for PEX is 114 psi compared to 175. (Think of pipe run in attics to protect the floor below) or another way to look at this graph is that at room temperature of 72 degrees, 120 PEX is only rated for 163 psi. See table for Derating Factors below and CPVC & PEX Derating Facotrs graph on the following page.. KILLEY: My vote of negative is to reject this proposal. In the past the committee has discouraged any unlisted pipe to be used except under strict circumstances. Allowance of a PRV to use un-listed pipe seems to go against many of the restrictions already in place. More investigation into the implications of this proposal is required. STANLEY: I would like to change my vote from affirmative to negative on 13D-16. I do not support lowering the pressure ratings for pipe using a PRV in any stand alone residential system. I understand the reason for the lower pressure ratings when combined with a plumbing system that has lower rated components. There is no justification for lowering these ratings on a stand alone system that has higher rated components. 13D-17 Log #60 AUT-RSS Final Action: Reject (5.2.2) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Revise text as follows: Types of pipe other than those specified in Table shall be permitted to be used on non-potable systems where listed for sprinkler system use. Types of pipe used for multipurpose systems shall comply with the plumbing code for use as water distribution pipe. SUBSTANTIATION: With some exceptions, the plumbing code and ASTM standards requirements for plastic water distribution pipe are substantially equivalent to the requirements in UL 1821, Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Eliminating the need for listing per UL 1821 will further reduce the cost of multipurpose systems. Lower costs will further reduce the opposition of homebuilders to offering a sprinkler option to homebuyers. Some of the requirements in UL 1821 are more restrictive than the plumbing codes and standards for water distribution pipe. Where the plumbing codes accept manufacturer s data for friction loss coefficients, fitting equivalent pipe lengths and kinking, UL 1821 includes tests to confirm the manufacturer s data. The plumbing codes do not require a vibration test, nor do they require an ammonia air test for brass parts containing more than 15-percent zinc. UL 1821 requires a marking permanency test, where the plumbing code requires that he marking be readable after installation. UL 1821 also requires wall thickness monitors on extruders. Some manufacturers use them, and some remove samples from each run for lab testing. The pipe must comply with the ASTM standards for wall thickness tolerances. In the event that the technical committee accepts this proposal, I am also submitting a proposal that all multipurpose systems receive a flow verification test. Such a test documents that the system was properly designed, that the data used in the design (e.g., friction loss coefficients and fitting equivalent pipe lengths) were accurate, and that the contractor installed the system per the design. Given that multipurpose pipe will not experience any pressure, flow, wear-and-tear or environment different than water distribution pipe, it is rea- 13D-9

10 13D-10

11 sonable to eliminate the UL listing requirements. Requiring a flow verification test should satisfy any concerns that eliminating that requirement will reduce the quality or effectiveness of multipurpose systems. COMMITTEE STATEMENT: Other types of listed pipe are covered currently in. The intent of the committee is that all pipes not specifically listed in Table be specifically listed for fire sprinkler use. 13D-18 Log #9 AUT-RSS Final Action: Reject ( ) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Add new text as follows: Specially listed pipe and fittings have a base listing plus enhanced listings allowing additional applications. When pipe and fittings are used in a system from different manufacturers, the entire system enhancement will be based on the pipe or fitting used that has the lowest amount of listing enhancements. SUBSTANTIATION: Different manufacturers have different listing enhancements from UL for their pipe and/or fittings. When products from different manufacturers are mixed in a system, there is much confusion about what the system is approved for. This will stop that confusion and promote system continuity. COMMITTEE STATEMENT: Specifically listed products are required to be installed in compliance with the requirements and limitations of the product listing. 13D-19 Log #10 AUT-RSS Final Action: Accept in Principle ( ) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Add new text as follows: Compatible thread sealant or teflon tape can be used in a CPVC sprinkler head adapter. The combination of the two cannot be used together. The manufacturer of the sprinkler head adapter has listed installation instructions that must be followed for each sprinkler head adapter used. SUBSTANTIATION: The practice of using both Teflon tape and thread sealant has caused the brass on many CPVC sprinkler head adapters to crack because of the additional stress. Each manufacturer has specific instructions on what to use for their particular sprinkler head adapter and each must be followed in mixed applications. Add a new section 4.6 as follows: 4.6 Listed or Labeled. Listed or labeled devices and materials shall be installed and used in accordance with the listing limitations and the manufacturers installation instructions. Add the proposed text in the annex for Section as follows: A Compatible thread sealant or teflon tape can be used in a CPVC sprinkler head adapter. The combination of the two cannot be used together. The manufacturer of the sprinkler head adapter installation instructions must be followed for each sprinkler head adapter used. COMMITTEE STATEMENT: The committee agreed with the submitter, but wanted to add a general requirement for all listed and labeled materials. Additionally, regarding the specific text the committee feels that the proposed text is better suited for the annex. COMMENT ON AFFIRMATIVE ISMAN: We are hoping that the word head can be deleted the three times it appears in the annex note. A head is a device on a vessel into which waste material is deposited and flushed. The correct term for a device that senses heat and distributes water to control or suppress a fire is a sprinkler. 13D-20 Log #14 AUT-RSS Final Action: Reject ( ) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Revise section as follows: Nonmetallic fittings used in multipurpose piping systems not equipped with a fire department connection shall be designed to withstand a working pressure of not less than psi (8.9 bar) at 120 F (49 C). SUBSTANTIATION: Most major plumbing codes only require water supply piping to be rated to 100 psi. Requiring 130 psi for fire sprinkler pipe in a multi-purpose system creates a scenario of where the piping and fixtures downstream of the sprinkler system are only rated to 100 psi and the sprinkler pipe is rated to 130 psi. The code is placing a dissimilar requirement on piping for the same system. In addition, most major plumbing code allow a maximum pressure on domestic water systems of 80 psi. COMMITTEE STATEMENT: See committee statement on 13D-13 (Log # 13). 13D-21 Log #61 AUT-RSS Final Action: Reject (5.2.9) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Revise section to read as follows: Types of fittings other than those specified in Table for use on non-potable pipe shall be permitted to be used where listed for sprinkler system use. Types of fittings used on multipurpose systems shall comply with the plumbing code for use on water distribution pipe. SUBSTANTIATION: With some exceptions, the plumbing code and ASTM standards requirements for plastic water distribution pipe are substantially equivalent to the requirements in UL 1821, Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Eliminating the need for listing per UL 1821 will further reduce the cost of multipurpose systems. Lower costs will further reduce the opposition of homebuilders to offering a sprinkler option to homebuyers. Some of the requirements in UL 1821 are more restrictive than the plumbing codes and standards for water distribution pipe. Where the plumbing codes accept manufacturer s data for friction loss coefficients, fitting equivalent pipe lengths and kinking, UL 1821 includes tests to confirm the manufacturer s data. The plumbing codes do not require a vibration test, nor do they require an ammonia air test for brass parts containing more than 15-percent zinc. UL 1821 requires a marking permanency test, where the plumbing code requires that he marking be readable after installation. UL 1821 also requires wall thickness monitors on extruders. Some manufacturers use them, and some remove samples from each run for lab testing. the pipe must comply with the ASTM standards for wall thickness tolerances. In the event that the technical committee accepts this proposal, I am also submitting a proposal that all multipurpose systems receive a flow verification test. Such a test documents that the system was properly designed, that the data used in the design (e.g., friction loss coefficients and fitting equivalent pipe lengths) were accurate, and that the contractor installed the system per the design. Given that multipurpose pipe will not experience any pressure, flow, wear-and-tear or environment different than water distribution pipe, it is reasonable to eliminate the UL listing requirements. Requiring a flow verification test should satisfy any concerns that eliminating that requirement will reduce the quality or effectiveness of multipurpose systems. COMMITTEE STATEMENT: See committee statement on 13D-17 (Log # 60). 13D-22 Log #51 AUT-RSS Final Action: Accept in Principle ( (New) ) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Add a new section to read as follows: Other joining methods investigated for suitability in automatic sprinkler installations and listed for this service shall be permitted where installed in accordance with their listing limitations, including installation instructions. SUBSTANTIATION: only officially recognizes fittings as a way of joining pipe. Other methods exist and should be allowed to be used as long as they are listed for fire sprinkler systems. This proposal was developed by the NFSA Engineering and Standards Committee. Add a new Section as follows: Other joining methods investigated for suitability in automatic sprinkler installations and listed for this service shall be permitted. COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the proposed text in relation to the action taken on 13D-19 (Log #10). 13D-11

12 13D-23 Log #29 AUT-RSS Final Action: Reject (6.2) SUBMITTER: Thomas A. Noble, Henderson Fire, Fire Prevention Division RECOMMENDATION: Add a new section for acceptance testing of pumps for 13D systems. SUBSTANTIATION: See City of Henderson Building and Fire Safety, Fire Safety Division 1 and 2 Family Dwelling Fire Sprinkler Pump Acceptance Testing Criteria. With a requirement for a pump to supply the sprinkler system because of low water pressure, there is no way in knowing if the pump was sized properly unless you test it. Note: Supporting material is available for review at NFPA Headquarters. COMMITTEE STATEMENT: The submitter has not proposed specific language for. Additionally, the committee does not feel that a full flow test at system demand is warranted. Additionally, the committee has established a TG to continue to evaluate these proposed changes to. 13D-24 Log #CP2 AUT-RSS Final Action: Accept (6.2(5)) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Add item (5) to 6.2 as follows: (5) A well with a pump of sufficient capacity and pressure to meet the sprinkler system demand. The stored water requirement of section or shall be permitted to be a combination of the water in the well (including the refill rate) plus the water in the holding tank if such tank can supply the sprinkler system. SUBSTANTIATION: Section 6.2 does not clearly allow the use of wells and pumps since they are not water works systems that meet item (1) and don t store all of their water in accordance with item (4). Yet, this type of system can be more reliable than the stand-alone pump and tank combinations because the pump is tested each time it supplies the domestic connection and will be replaced if there is any problem. 13D-25 Log #CP1 AUT-RSS Final Action: Accept (6.2.1) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Prior to system acceptance, a system utilizing a pump shall be tested by opening the drain/test connection. The pump shall sense the flow, turn on, and run for a period of 10 minutes without shutting down or tripping the circuit breaker. SUBSTANTIATION: As the critical component in a sprinkler system s water supply, the pump needs to be tested to make sure that it works prior to the system s activation. The purpose of the test is simply to make sure that the pump starts automatically, does not have electrical problems and runs without cycling on and off. COMMENT ON AFFIRMATIVE L. BROWN: In agreement with Ballot Comment submitted by Mr. Killey. KILLEY: Recommendation: Change wording of to read as follows Prior to system acceptance, a system utilizing a pump shall be tested by opening the drain/test inspectors test connection. The pump shall sense the flow, turn on, and run for a period of 10 minutes without shutting down or tripping the circuit breaker. Substantiation: The new proposed definition of inspectors test connection as per accepted proposal 13D-36 Log#68 is to have a properly sized (or smaller) orifice in the inspectors test. The orifice is vital to the proper testing of any pump to ensure the pump will not cycle on and off with the flow of one sprinkler flowing. The currently proposed wording does not ensure the use of a properly sized orifice. 13D-26 Log #CP3 AUT-RSS Final Action: Accept (6.2.2) SUBMITTER: Technical Committee on Residential Sprinkler Systems RECOMMENDATION: Where a pump and tank is the source of supply for a fire sprinkler system, but is not a portion of the domestic water system, the following shall be met: (1) A test connection shall be provided downstream of the pump that creates a flow of water equal to the smallest sprinkler on the system. The connection shall return water to the tank. (2) Pumps using AC power shall be arranged for 220 Volt service. (3) Any disconnecting means for the pump shall be approved. (4) A method for refilling the tank shall be piped to the tank. (5) A method of seeing the water level in the tank shall be provided without having to open the tank. (6) The pump shall not be permitted to sit directly on the floor. (7) A timer shall be installed to make sure that each time the pump starts, it runs for a period of at least 10 minutes before shutting down. SUBSTANTIATION: The proposal is for stand-alone pumps and tanks that are only for fire protection. Pumps and tanks that are a part of the domestic supply will be tested and used on a regular basis, so they don t need to comply with these rules. Guidance is needed for stand-alone pump and tank systems. Experience has shown that without these requirements in the standard, these common sense items are overlooked by installation contractors. The requirement for 220 V service is needed because of the current draw at start-up. A 110 V motor will draw more current than the standard 15 amp circuit breaker can stand. Larger circuit breakers are not common in residential service. Use of the 220 V service cuts the current demand in half and will allow typical residential circuit breakers. The timer solves the problem of short cycling where the pump starts and then stops after a few seconds because of the pressure increase. If the flow continues after the pump stops, the pressure drops and the pump starts again. This cycle continues with the pump starting and stopping several times per minute, causing the motor to overheat and eventually causing damage. BALLOT RESULTS: Affirmative: 25 Negative: 1 KILLEY: The negative vote is to reject this proposal. Substantiation: The requirements proposed will cause a major cost increase to a pump and tank system. Item #1 is already a requirement of the inspectors test. Item#2 is addressed by the installing electrician. The size of circuit breaker will take into consideration any start up draw and will be properly sized by the electrician. Item#3 would fall under the jurisdiction of the electrician and by electrical code he would be required to install approved equipment. Item#7 requires a timer to be installed on all pumps. This would normally require a controller which would increase the cost substantially and not provide any additional level of life safety or provide any other purpose. 13D-27 Log #19 AUT-RSS Final Action: Accept in Principle (6.3) SUBMITTER: Alan G. Larson, Uponor Wirsbo Company Ltd. RECOMMENDATION: Revise text as follows: (7) Devices that restrict the flow or decrease the pressure, such as water treatment and filtration equipment, shall not be added to the system. Where water treatment and filtration are installed, a listed automatic flow sensing one of the following conditions must be met: 1. The flow through the water treatment equipment must be taken into account in the hydraulic calculations. 2. A bypass shall be installed in the supply piping around the water treatment equipment that directs all water directly to the system. SUBSTANTIATION: No definition is given for a listed automatic flow sensing bypass. to the best of my knowledge, no such device exists. This item causes a great deal of confusion in the field, and should be reworded to give designers and installers better direction and options. Many large commercial type water softeners are capable of flowing sufficient water to supply a residential fire sprinkler system. A bypass need not be installed around a piece of equipment that can handle the flow. Revise text as follows: (7) Where water treatment and filtration are installed, one of the following conditions shall be met: 1. The flow restriction and pressure loss through the water treatment equipment shall be taken into account in the hydraulic calculations. 2. An automatic bypass shall be installed around the water treatment equipment that directs all water directly to the system. COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the proposed changes. COMMENT ON AFFIRMATIVE ISMAN: Our concern is that both actions can t be taken. They both modify the same section in different ways. We hope that the committee can pick whichever language it likes at the comment stage. 13D-12

13 13D-28 Log #5 AUT-RSS Final Action: Accept (6.3(2)) SUBMITTER: Eddie Phillips, Southern Regional Fire Code Development Committee RECOMMENDATION: Delete Section 6.3(2). 6.3(2) Smoke detectors are provided in accordance with NFPA 72, National Fire Alarm Code. SUBSTANTIATION: NFPA 101 Section covers this area and requires detection regardless of presence, type or water supply for a sprinkler system. In addition, there is no technical justification for this requirement to be unique to multipurpose piping systems. Either the requirement needs to be deleted from this section or extracted text should be brought in from NFPA 101 and placed in Chapter 4 in order to apply to all sprinkler systems. The placement of smoke detectors in the one- and two-family dwelling environment is within the scope of the TC on Residential Occupancies, not the TC on Residential Sprinkler Systems. 13D-29 Log #16 AUT-RSS Final Action: Accept (6.3(2)) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Delete text as follows and renumber remaining sections: 6.3* Multipurpose Piping System. A piping system serving both sprinkler and domestic needs shall be considered to be acceptable by this standard where the following conditions are met: (1)* In common water supply connections serving more than one dwelling unit, 5 gpm (19 L/min) shall be added to the sprinkler system demand to determine the size of common piping and the size of the total water supply requirements where no provision is made to prevent flow into the domestic water system upon operation of a sprinkler. ( 2) Smoke detectors are provided in accordance with NFPA 72, National Fire Alarm Code. (3) All piping in the system supplying sprinklers is listed and conforms to the piping specifications of this standard. (4) Piping connected to the system that supplies only plumbing fixtures complies with local plumbing and health authority requirements but is not required to be listed. (5) Permitted by the local plumbing or health authority. (6) A sign is affixed adjacent to the main shutoff valve that states in minimum 1/4-inch letters, Warning, the water system for this home supplies a fire sprinkler system that depends on certain flows and pressures being available to fight a fire. Devices that restrict the flow or decrease the pressure such as water softeners shall not be added to this system without a review of the fire sprinkler system by a fire protection specialist. Do not remove this sign. (7) Devices that restrict the flow or decrease the pressure, such as water treatment and filtration equipment, shall not be added to the system. Where water treatment and filtration equipment are installed, a listed automatic flow sensing bypass shall be installed in the supply piping that directs all water directly to the system. Add a new section to read: 4.6 Smoke alarms shall be provided in accordance with NFPA 72, National Fire Alarm Code. SUBSTANTIATION: Smoke alarms should be provided for all residences. The presence or lack of smoke detection should not be based on the type of 13D system being installed. This requirement is only placed on multi-purposed piping systems and not straight 13D systems. There appears to be no justification for singling out a multi-purpose piping system with a smoke detector requirement. It is important to note that an argument has been made that multipurpose piping systems do not have a water flow alarm, therefore, the smoke detectors required by this section would offset the loss of the water flow notification. This argument is without justification since water flow alarms are not code required on 13D systems. 13D-30 Log #42 AUT-RSS Final Action: Accept (6.3(2)) RECOMMENDATION: Delete text as follows: (2) Smoke detectors are provided in accordance with NFPA 72, National Fire Alarm Code. SUBSTANTIATION: The installation of smoke alarms in a residential dwelling unit is clearly within the scope of NFPA 72 and locally adopted model codes. There does not appear to be any reason for requirements for smoke alarm installations requirements to be included in this standard. Since 7.6 already makes clear the intent of the standard regarding smoke detectors and alarms, there is no reasonable justification for singling out mutipurpose systems for requiring smoke alarms. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap 13D-31 Log #62 AUT-RSS Final Action: Reject (6.3(3)) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Delete section 6.3(3). (3) All pipe in the system supplying sprinklers is listed and conforms to the piping specifications of this standard. SUBSTANTIATION: With some exceptions, the plumbing code and ASTM standards requirements for plastic water distribution pipe are substantially equivalent to the requirements in UL 1821, Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Eliminating the need for listing per UL 1821 will further reduce the cost of multipurpose systems. Lower costs will further reduce the opposition of homebuilders to offering a sprinkler option to homebuyers. Some of the requirements in UL 1821 are more restrictive than the plumbing codes and standards for water distribution pipe. Where the plumbing codes accept manufacturer s data for friction loss coefficients, fitting equivalent pipe lengths and kinking, UL 1821 includes tests to confirm the manufacturer s data. The plumbing codes do not require a vibration test, nor do they require an ammonia air test for brass parts containing more than 15-percent zinc. UL 1821 requires a marking permanency test, where the plumbing code requires that the marking be readable after installation. UL 1821 also requires wall thickness monitors on extruders. Some manufacturers use them, and some remove samples from each run for lab testing. The pipe must comply with the ASTM standards for wall thickness tolerances. In the event that the technical committee accepts this proposal, I am also submitting a proposal that all multipurpose systems receive a flow verification test. Such a test documents that the system was properly designed, that the data used in the design (e.g., friction loss coefficients and fitting equivalent pipe lengths) were accurate, and that the contractor installed the system per the design. Given that multipurpose pipe will not experience any pressure, flow, wear-and-tear or environment different than water distribution pipe, it is reasonable to eliminate the UL listing requirements. Requiring a flow verification test should satisfy any concerns that eliminating that requirement will reduce the quality or effectiveness of multipurpose systems. COMMITTEE STATEMENT: See committee statement on 13D-17 (Log # 60). 13D-32 Log #34 AUT-RSS Final Action: Accept in Principle (6.3(6)) RECOMMENDATION: Revise text as follows: 6.3(6) Warning sign. A sign shall be affixed adjacent to the main shutoff valve that states in minimum 1/4-inch letters, Warning, the water system for this home supplies a fire sprinkler s system that depends on require certain flows and pressures being available to fight control a fire. Devices that restrict the flow, or decrease the pressure or shut off the water to the fire sprinkler system such as water softeners, filtration systems and automatic shutoff valves shall not be added to this system without a review of the fire sprinkler system by a fire protection specialist. Do not remove this sign. SUBSTANTIATION: Proposed language enhances the information disclosed to homeowners and makes reference to additional potential sources of interruption or encumbrance of the water supply. Background - The ICC Ad Hoc Committee for Revisions to was 13D-13

14 address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap Revise proposed text as follows: 6.3(6) Warning sign. A sign shall be affixed adjacent to the main shutoff valve that states in minimum 1/4-inch letters, Warning, the water system for this home supplies fire sprinklers that require certain flows and pressures to fight a fire. Devices that restrict the flow, or decrease the pressure or automatically shut off the water to the fire sprinkler system such as water softeners, filtration systems and automatic shut-off valves shall not be added to this system without a review of the fire sprinkler system by a fire protection specialist. Do not remove this sign. COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the proposed changes to the sign. 13D-33 Log #15 AUT-RSS Final Action: Accept in Principle (6.3(7)) SUBMITTER: Eddie Phillips, Southern Fire Code Development Committee RECOMMENDATION: Revise to read: 6.3* Multipurpose Piping System. A piping system serving both sprinkler and domestic needs shall be considered to be acceptable by this standard where the following conditions are met: (1)* In common water supply connections serving more than one dwelling unit, 5 gpm (19 L/min) shall be added to the sprinkler system demand to determine the size of common piping and the size of the total water supply requirements where no provision is made to prevent flow into the domestic water system upon operation of a sprinkler. (2) Smoke detectors are provided in accordance with NFPA 72, National Fire Alarm Code. (3) All piping in the system supplying sprinklers is listed and conforms to the piping specifications of this standard. (4) Piping connected to the system that supplies only plumbing fixtures complies with local plumbing and health authority requirements but is not required to be listed. (5) Permitted by the local plumbing or health authority. (6) A sign is affixed adjacent to the main shutoff valve that states in minimum 1/4-inch letters, Warning, the water system for this home supplies a fire sprinkler system that depends on certain flows and pressures being available to fight a fire. Devices that restrict the flow or decrease the pressure such as water softeners shall not be added to this system without a review of the fire sprinkler system by a fire protection specialist. Do not remove this sign. (7) Where devices that restrict the flow or decrease the pressure, such as water treatment and filtration equipment, shall not be added to the system. Where water treatment and filtration equipment are installed, a listed automatic flow sensing bypass shall be installed in the supply piping that directs all water directly to the system. SUBSTANTIATION: The two sentences in section 7 conflict with each other. The first indicates that devices that restrict flow shall not be added. The second sentence states that when these devices are added a bypass shall be installed. Deleting the first sentence will ensure that the system still performs by requiring the bypass when a water treatment or filtration equipment is provided. COMMITTEE STATEMENT: See committee statement on 13D-27 (Log # 19). COMMENT ON AFFIRMATIVE ISMAN: See my Affirmative with Comment for Proposal 13D-27 (Log #19). 13D-34 Log #30 AUT-RSS Final Action: Accept in Principle (6.3(7)) RECOMMENDATION: Revise text as follows: (7) Devices that restrict the flow or decrease the pressure, such as water treatment and filtration equipment, shall not be added to the system. Where water treatment, and filtration or other equipment that restrict the flow or decrease the pressure to sprinklers are installed, a n listed automatic f low sensing bypass shall be installed in the supply piping that directs all water directly to the system. SUBSTANTIATION: The first sentence conflicts with the second; either the devices are allowed under certain conditions or they are not. Revisions to the second sentence are appropriate, based on the decision of the NFPA Standards Council that pressure reducing valves (PRV s) are not required to be listed for fire protection systems. Background - the ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap COMMITTEE STATEMENT: See committee statement on 13D-27 (Log # 19). 13D-35 Log #63 AUT-RSS Final Action: Reject (6.3(8)) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Add new text to read as follows: 6.3(8) the required water flow and pressure for the system is documented with a flow verification test. SUBSTANTIATION: A flow verification test confirms the following: An adequate water supply, a correct design using accurate hydraulic calculations, and installation per the design. If the technical committee deletes the requirement for multipurpose pipe to be listed for fire protection systems, a requirement for a flow verification test should answer any concerns that eliminating the UL listing might diminish the quality of the pipe and fittings or the accuracy of the hydraulic data. COMMITTEE STATEMENT: The committee does not support the requirement for a full flow test for multipurpose systems as it is not required for other types of systems and would add additional costs. 13D-36 Log #68 AUT-RSS Final Action: Accept (7.2.5) SUBMITTER: Roger Wilkins, Tyco Fire and Building Products RECOMMENDATION: Revise as follows: Where sprinklers used in the system have a nominal K factor smaller than 5.6. The inspector s test connections shall contain an orifice equal to or smaller than the of the same size as the smallest sprinkler installed in the system. SUBSTANTIATION: There is no reason to prohibit a smaller orifice. 13D-37 Log #1 AUT-RSS Final Action: Reject (7.3.3 (New) ) SUBMITTER: Jim Everitt, Western Regional Fire Code Dev. Committee RECOMMENDATION: Add a new section to read: For wet systems, a pressure gauge shall be installed on the riser. SUBSTANTIATION: There is no requirement for a pressure gauge on a typical wet 13D system. Therefore, it becomes difficult to determine if sufficient pressure is present to serve the sprinkler system. COMMITTEE STATEMENT: The proposed change adds cost without supporting data for this new requirement. BALLOT RESULTS: Affirmative: 25 Negative: 1 KILLEY: Recommendation: The negative vote for this proposal is to accept the proposal to add new section to read: For wet systems, a pressure gauge shall be installed on the riser. Substantiation: Having a pressure gauge will provide an added level of safety by providing, at a glance by the owner, that the fire sprinkler system is ener- 13D-14

15 gized. The gauge will also provide to any inspector to view at a glance, the current pressure and flowing pressure. This data can be recorded and kept by the owner or the inspector to ensure the pressures are adequate in the future. 13D-38 Log #8 AUT-RSS Final Action: Reject (7.4.5) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Add new text as follows: The sprinkler drop or horizontal pipe supplying each sprinkler head must be supported in such a way that the sprinkler head cannot lift up above the ceiling during activation. SUBSTANTIATION: It has become a standard practice for some contractors to leave the head in a flexible mode to allow easy escutcheon installation. This practice could lead to uneffective head discharge. COMMITTEE STATEMENT: Currently covered in Section D-39 Log #11 AUT-RSS Final Action: Reject (7.4.5) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Add text to read as follows: The hanger closest to each pendent sprinkler head shall be listed. SUBSTANTIATION: Several job site surveys have shown that a high percent of installations allow the pend. sprinkler to move up and down upon sprinkler activation. It is an advantage to install the system this way to allow for more adjustments after the drywall is installed. The sprinkler head must stay below the drywall upon activation. COMMITTEE STATEMENT: See committee statement on 13D-12 (Log #28) and 13D-38 (Log #8). 13D-40 Log #69 AUT-RSS Final Action: Reject (7.4.5 (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Insert the following new section: Hangers used to support plastic pipe shall have flared edges. SUBSTANTIATION: Without the flared edges there can be damage to the piping from movement when the system is charged or from building movements due to vibrations or seismic activity. Another concern is cinching the pipe where hangers without flared edges are used. These are the types of damages typically found with the plastic piping. This proposal was developed by the UL/FM/NFSA Liaison Group. COMMITTEE STATEMENT: The committee does not feel that flared edges are necessary. Currently the committee is not aware of specifc field problems that warrant the proposed new requirements. BALLOT RESULTS: Affirmative: 25 Negative: 1 YU: I agree with the justifications provided by the submitters. 13D-41 Log #67 AUT-RSS Final Action: Reject (7.5.2) SUBMITTER: Roger Wilkins, Tyco Fire and Building Products RECOMMENDATION: Revise as follows: Residential sprinklers shall not be used on systems other than wet pipe or antifreeze systems unless specifically listed for use on that particular type of system dry pipe and preaction systems, wherein the dry pipe and double interlock preaction systems are calculated for a maximum water delivery time of 15 seconds from most remote sprinkler operation to water discharge using a calculation program that listed by a nationally recognized laboratory. SUBSTANTIATION: needs to tie in the water delivery requirements of NFPA 13. Although it is only the dry pipe and double interlock preaction systems that require the 15 second water delivery time, the intent of the proposed text is that the same type listed sprinkler having proven itself for the 15 second delay be utilized for single interlock and non-interlock preaction systems, due to the life safety nature of residential sprinklers and knowing that even these systems could have a slight delay in water delivery. COMMITTEE STATEMENT: Currently Section allows for residential sprinklers on dry or preaction systems where they are specifically listed for that type of system. 13D-42 Log #3 AUT-RSS Final Action: Accept in Principle (7.6) SUBMITTER: Jon Nisja, Northcentral Regional Fire Code Development Committee RECOMMENDATION: Add text to read: 7.6* Alarms. Local waterflow alarms shall be provided on all sprinkler systems in homes not equipped with smoke detectors or smoke alarms in accordance with NFPA 72, National Fire Alarm Code. SUBSTANTIATION: NFPA 72 uses the term smoke alarms most commonly for the protection of dwelling units. Both choices should be listed. 7.6* Alarms. Local waterflow alarms shall be provided on all sprinkler systems in homes not equipped with smoke alarms or smoke detectors in accordance with NFPA 72, National Fire Alarm Code. COMMITTEE STATEMENT: The committee agrees with the submitter, but wanted to further align with the language of NFPA 72. BALLOT RESULTS: Affirmative: 25 Negative: 1 BENN: I believe a water flow switch should be included in all systems. 13D-43 Log #53 AUT-RSS Final Action: Reject (7.6) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Delete the end of the sentence as shown: 7.6 Alarms. Local waterflow alarms shall be provided on all sprinkler systems in homes not equipped with smoke detectors in accordance with NFPA 72, National Fire Alarm Code. SUBSTANTIATION: People need to know when water is flowing from open sprinklers. The fractional cost of these alarms will more than cover itself in reduced water damage claims and concerns. In the past, this concept has been opposed due to concerns over combined domestic/sprinkler system performance and the ability for the water flow alarm to know the difference between normal domestic use and sprinkler flow. This problem can be solved with a weighted check valve and a bypass for the flow alarm. The weighted check valve will not move under normal domestic flow conditions, so the water does not go past the flow alarm. When a sprinkler opens, creating a greater flow demand, the weighted check valve opens and allows water to trigger the alarm. This proposal was generated by the NFSA Engineering and Standards Committee. COMMITTEE STATEMENT: The committee does not feel that the water flow switch will provide an added level of life safety and it is not the intent of to address property protection. BALLOT RESULTS: Affirmative: 20 Negative: 6 DEEGAN: The benefits of flow alarms on 13D systems outweigh concerns regarding increased cost. ISMAN: All sprinkler systems need flow alarms. The minimal cost is justified by the savings in water damage when people are alerted to the fact that water is flowing in a timely manner. KILLEY: The negative vote is to accept this proposal to require flow alarms on all systems. Substantiation: The committee rejected this proposal on the basis that the water flow switch will not provide an added level of life safety. Any device that provides an audible alarm during a fire condition will provide an added level of life safety, even if there are smoke detectors present. Consider a fire in an area not served by smoke detectors. Consider a fire where the smoke detectors are inoperable or have been disabled somehow. Consider that once the flow switch is installed for the alarms, it is very little effort or cost to have the flow switch connected to the monitored burglar alarm system which then would provide an even greater level of life safety by initiating an automatic notification to the fire department of a fire condition. This proposal seems like a win/win for everyone at very little cost. STANEK: Water damage within a dwelling can be significant when the homeowner is not at home at the time of the fire. Water flow alarms are necessary to assure the public that tremendous water damage will not occur if there is a fire or if a sprinkler head activates. The benefits of having water flow alarms far outweigh the meager cost associated with these devices, and can be installed on multipurpose systems. Inexpensive technologies exist and will be manufactured for alarming multipurpose systems. STANLEY: I believe that all fire sprinkler systems need a flow alarm. The thousands of dollars a homeowner could save by minimizing either fire or water damage outweighs the minimal cost of installing a flow alarm. 13D-15

16 VICTOR: In order to reduce water damage, all 13D systems should have a waterflow alarm. Current technology allows for this alarm to differentiate between domestic and sprinkler flows. COMMENT ON AFFIRMATIVE L. BROWN: One needs to take into account ALL code requirements relating to life safety in one- and two- family dwellings. Number one is that the International Residential Code (IRC) requires a full smoke alarm system to be installed in every dwelling. The system has a combination smoke detector and alarm in every bedroom, outside the bedrooms, and on every level of the house. The smoke alarm will detect the presence of smoke and initiate an alarm that will be heard in the entire house before a fire sprinkler will activate. If a separate water flow alarm is present it will probably be hard to hear it over the sound of the smoke alarm system. To address the aspect of any water damage that may occur, if the sprinkler discharges water during a fire incident it will be known due to the fact that the smoke alarms were activated. If a sprinkler discharges due to an accident or other non-fire reason this is no different than any other plumbing break. One sees that water leak and fixes the problem. Most importantly, the TC is correct in its Statement - the installation of a water flow alarm will provide no added level of life safety. 13D-44 Log #59 AUT-RSS Final Action: Reject (Chapter 8 New) SUBMITTER: Ronald B. Coker, Coker Engineering RECOMMENDATION: Add new text to read as follows: Working plans shall be submitted for approval to the authority having jurisdiction before any equipment is installed or remodeled. Deviations from approved plans shall require permission of the authority having jurisdiction. Sprinkler plans shall be drawn to a specified scale on sheets of uniform size. A separate plan shall be drawn for each floor of a multi-story dwelling The sprinkler plans shall be easily duplicated. Sprinkler plans shall show all of the following: 1. Name of owner 2. Location, including street address 3. Point of compass (north arrow) 4. ceiling construction, including lights, grills, ceiling fans, etc. 5. Location of partitions 6. Any small enclosures in which no sprinklers are to be installed 7. Size and location of city main 8. Pressure in city main, as near as possible to the job 9. Make, manufacturer, type, temperature rating, and nominal orifice size of each sprinkler to be installed 10. Kind and location of alarm bells, if any 11. Type of pipe and fittings 12. Type of protection for nonmetallic pipe 13. Nominal pipe sizes 14. Types and locations of hangers, sleeves, and braces, and methods of securing sprinklers, where applicable 15. All control valves, check valves, drain pipes, and test connections 16. Underground pipe size, length, location, weight, material, and point of connection to the city main; type of valves, meters, backflow assemblies, and valve pits, and depth at which the top of the pipe is laid below grade 17. Name and address of the contractor SUBSTANTIATION: There is currently no guidance in this standard for working plans. In the absence of guidance, there have been some misinterpretations that working plans are not required by the standard. COMMITTEE STATEMENT: The committee does not feel that specific requirements for working plans is appropriate as many of the referenced conditions are unknown at the time of design. BALLOT RESULTS: Affirmative: 24 Negative: 2 STANEK: A permitted set of Architectural drawings provides all the basic information required to design a system. Many jurisdictions already require plan submittals and hydraulic calculations on systems. Without plans and calculations how does the AHJ know that the contractor is providing adequate fire flow in the remote area of the house? If this information was readily available to the AHJ beforehand, the installing contractor would not have to make undue field changes to his system. A scaled drawing should show the following: Address Size of domestic line including length to city connection water meter size current static water pressure Interior walls Ceiling elevations consisting of soffitts, lights, HVAC diffusers, ceiling fans, heat sources, and any other obstructions to the sprinkler head Model, manufacturer, temp, orifice size, and spacing requirements of sprinkler heads Type of pipe Hanger spacing requirement per the pipe manufacturer Riser detail depicting control valve, check valve, main drain Installing Contractor Information Hydraulic Calculations VAN WALRAVEN: I disagree with the committee action to reject this proposal. I agree with the submitter in principle. However, I believe this proposal would be better served if the following text were applied in the appropriate section. Documentation shall be available upon request to insure adequate water supply, listed devices and adequate sprinkler coverage has been addressed. * With the following text to be added to the annex: *Other information that may be incorporated is as follows: 1. Name of owner 2. Location, including street address 3. Point of compass (north arrow) 4. Ceiling construction, including lights, grills, ceiling fans, etc 5. Location of partitions 6. Any small enclosures in which no sprinklers are to be installed 7. Size and location of city main 8. Pressure in city main, as near as possible to the job 9. Make, manufacturer, type, temperature rating, and nominal orifice of each sprinkler to be installed 10. Kind and location of alarm bells, if any 11. Type of pipe and fittings 12. Type of protection for nonmetallic pipe 13. Nominal pipe sizes 14. Types and locations of hangers, sleeves, and braces, and methods of securing sprinklers, where applicable 15. All control valves, check valves, drain pipes, and test connections 16. Underground pipe size, length, location, weight, material, and point of connection to the city main; type of valves, meters, backflow assemblies, and valve pits, and depth at which the top of the pipe is laid below grade 17. Name and address of the contractor Substantiation: Although in many jurisdictions plan submittals and permits are mandatory there are also many that do not have these requirements. I believe that there must be some evidence available that demonstrates at least the most basic of information is supplied. Without this knowledge the installer, end user, the AHJ will not have any indication that a reliable life safety system has been installed. I also do not believe that investigation and documentation of an adequate water supply and listed devices will be imposing an undo burden due to the fact that this information is required to perform even the most minimum level of design. Including the additional information into the annex can give the AHJ or the owner/designer more detailed guideline criteria. The annex approach has been incorporated in other NFPA pamphlets. COMMENT ON AFFIRMATIVE RIANS: I disagree with the Committee Action to reject this proposal. I agree with the submitter in principle. However, I believe this proposal would be better served if the following text were applied in the appropriate section. Documentation shall be available upon request to insure adequate water supply, listed devices and adequate sprinkler coverage has been addressed. * With the following text to be added to the annex: *Other information that may be incorporated is as follows: 1. Name of owner 2. Location, including street address 3. Point of compass (north arrow) 4. Ceiling construction, including lights, grills, ceiling fans, etc. 5. Location of partitions 6. Any small enclosures in which no sprinklers are to be installed 7. Size and location of city main 8. Pressure in city main, as near as possible to the job 9. Make, manufacturer, type, temperature rating, and nominal orifice size of each sprinkler to be installed 10. Kind and location of alarm bells, if any 11. Type of pipe and fittings 12. Type of protection for nonmetallic pipe 13. Nominal pipe sizes 14. Types and locations of hangers, sleeves, and braces, and methods of securing sprinklers, where applicable 15. All control valves, check valves, drain pipes, and test connections 16. Underground pipe size, length, location, weight, material, and point of connection to the city main; type of valves, meters, backflow assemblies, and valve pits, and depth at which the top of the pipe is laid below grade 17. Name and address of the contractor 13D-16

17 Substantiation: Although in many jurisdictions plan submittals and permits are mandatory there are also many that do not have these requirements. I believe that there must be some evidence available that demonstrates at least the most basic of information is supplied. Without this knowledge neither the installer, end user nor the AHJ will have any indication that a reliable life safety system has been installed. I also do not believe that investigation and documentation of an adequate water supply and listed devices will be imposing an undo burden due to the fact that this information is required to perform even the most minimum level of design. Including the additional information into the annex can give the AHJ or the owner/designer more detailed guideline criteria. This approach has been incorporated in other NFPA pamphlets, specifically NFPA 13R. 13D-45 Log #72 AUT-RSS Final Action: Accept in Principle ( (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Add a new Section as follows and renumber current and subsequent sections: Listings Areas of coverage shall be in accordance with the manufacturer s listing Where residential sprinklers are installed on a slope greater than 2 in 12, they shall be listed for this application. SUBSTANTIATION: The standard needs to note the importance of following the manufacturer s listing information for residential sprinklers. Ceiling slopes also present a more challenging scenario for sprinklers to control the fire. Therefore, the standard should recognize that residential sprinklers need to be specifically listed for a sloped ceiling application. This proposal was developed by the UL/FM/NFSA Liaison Group. Delete Section and its subsections and renumber accordingly. Change the title of current section to Residential Sprinklers COMMITTEE STATEMENT: The committee agrees with the submitter, but, deleted the section to further support that areas of coverage be in accordance with the manufacturers listing requirements. BALLOT RESULTS: Affirmative: 25 Negative: 1 YU: I agree with the justifications provided by the submitters. 13D-46 Log #71 AUT-RSS Final Action: Accept in Principle ( and figure (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Revise Section as follows: Residential Sprinklers That Have Been Listed with Specific Coverage Criteria Sprinklers shall be installed in accordance with the coverage criteria specified by the listing Sloped Ceilings Where the ceiling is sloped the maximum S dimension shall be measured along the slope of the ceiling to the next sprinkler as shown in Figure The sprinklers shall maintain a minimum of 8 ft or 1/2 the maximum listed spacing, whichever is greater, measured in the plan view from one sprinkler to another as shown in Figure SUBSTANTIATION: The standard does not offer a clear perspective on how to measure the spacing along a sloped ceiling. This proposal offers guidance to the end user clarifying the intent to measure along the slope. Revise Section as follows: Sprinklers shall be installed in accordance with the coverage criteria specified by the listing Sloped Ceilings Where the ceiling is sloped the maximum S dimension shall be measured along the slope of the ceiling to the next sprinkler as shown in Figure The sprinklers shall maintain the minimum listed spacing, but no less than 8 feet, measured in the plan view from one sprinkler to another as shown in Figure Figure Measuring S Dimension. COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the 8 ft minimum. 13D-47 Log #73 AUT-RSS Final Action: Reject ( (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Add new Section as follows: Soffits. Where soffits used for the installation of sidewall sprinklers exceed 12 in. (203 mm) in width or projection from the wall, additional sprinklers shall be installed below the soffit. SUBSTANTIATION: Soffits are common residential installations and should therefore be addressed by this standard. The soffit depth is increased to 12 in as this is a common kitchen cabinet depth installed and it has never been the intention of this standard to require sprinklers underneath kitchen cabinets. This proposal was developed by the UL/FM/NFSA Liaison Group. COMMITTEE STATEMENT: The submitter provided no data to support the proposed changes. BALLOT RESULTS: Affirmative: 25 Negative: 1 YU: I agree with the justifications provided by the submitters. Figure Measuring S Dimension. 13D-48 Log #58 AUT-RSS Final Action: Accept in Part (8.2.4) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Revise the obstruction criteria for residential sprinklers to be similar to NFPA 13. Insert an annex note as follows: A Where the obstruction criteria established by this standard is followed, sprinkler spray patterns will not necessarily get water to every square ft of space within a room. As such, a sprinkler in a room with acceptable obstructions as outlined in this standard may not be capable of passing the fire test (specified by UL 1626 and other similar laboratory standards) if the fire is started in one of these dry areas. This is not to be interpreted as a failure of the sprinkler. The laboratory fire tests are sufficiently challenging to the sprinkler without additional obstructions as a safety factor to account for the variables that actually occur in dwellings including acceptable obstructions to spray patterns. SUBSTANTIATION: In the absence of definitive criteria in the standard, AHJ s have been making up their own rules. These rules have not been consistent with the philosophy of NFPA 13 or. Specific criteria will be proposed by another NFSA proposal. The new material in this proposal is an annex note warning AHJ s a laboratories that the UL 1626 criteria is not intended to be applied to the worst case of the obstructions allowed. Instead, these obstructions have been permitted based on the severity of the UL 1626 test and recognition that in most cases, real fires will not be as severe. 13D-17

18 This proposal was developed by the NFSA Engineering and Standards Committee. in Part Accept the additional proposed material and add it to the current A Reject the obstruction rules. COMMITTEE STATEMENT: The committee agrees with the submitted annex material. The committee rejects the inclusion of the obstruction rules from NFPA 13 as the submitter did not provide specific obstruction rule requirements. It is not the intent of to provide the same level of spacing for obstructions as NFPA 13. The committee assumes that there will be some level of obstructions that will not provide the same level of performance as NFPA 13, but with the primary intent of being life safety these obstructions are acceptable. 13D-49 Log #70 AUT-RSS Final Action: Reject (8.2.4 and (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Delete current text found in 8.2.4: Sprinklers shall be positioned so that the response time and discharge are not unduly affected by obstructions such as ceiling slope, beams, or light fixtures. Add the following Sections as and 8.2.5: Obstructions to Sprinkler Discharge (Residential Upright and Pendent Spray Sprinklers) Performance Objective Sprinklers shall be located so as to minimize obstructions to discharge as defined in and , or additional sprinklers shall be provided to ensure adequate coverage of the hazard Sprinklers shall be arranged to comply with one of the following arrangements: (1) Sprinklers shall be in accordance with Table and Figure (a). (2) Sprinklers shall be permitted to be spaced on opposite sides of obstructions not exceeding 4 ft (1.2 m) in width provided the distance from the centerline of the obstruction to the sprinklers does not exceed one-half the allowable distance permitted between sprinklers. (3) Obstructions located against the wall and that are not over 30 in. (762 mm) in width shall be permitted to be protected in accordance with Figure (b). Insert Table from NFPA 13 as Table Positions of Sprinklers to Avoid Obstructions to Discharge (Residential Upright and Pendent Spray Sprinklers). Insert FIGURE (a) from NFPA 13 as Figure (a) Position of Sprinklers to Avoid Obstructions to Discharge (Residential Upright and Pendent Spray Sprinklers). Insert FIGURE (b) from NFPA 13 as Figure (b) Obstructions Against Walls (Residential Upright and Pendent Spray Sprinklers) Obstructions to Sprinkler Discharge Pattern Development General Continuous or noncontinuous obstructions less than or equal to 18 in. (457 mm) below the sprinkler deflector that prevent the pattern from fully developing shall comply with Regardless of the rules of this section, solid continuous obstructions shall meet the applicable requirements of * Unless the requirements of through are met, sprinklers shall be positioned away from obstructions a minimum distance of four times the maximum dimension of the obstruction (e.g., truss webs and chords, pipe, columns, and fixtures). The maximum clear distance required shall be 36 in. (0.91m) in accordance with Figure Insert FIGURE from NFPA 13 as Figure Minimum Distance from Obstruction (Residential Upright and Pendent Spray Sprinklers) Sprinklers shall be permitted to be spaced on opposite sides of the obstruction where the distance from the centerline of the obstruction to the sprinklers does not exceed one-half the allowable distance between sprinklers Sprinklers shall be permitted to be located one-half the distance between the obstructions where the obstruction consists of open trusses 20 in. (0.15 m) or greater apart {24 in. (0.61m) on center}, provided that all truss members are not greater than 4 in. (102 mm) (nominal) in width and web members do not exceed 1 in. (25.4 mm) in width Sprinklers shall be permitted to be installed on the centerline of a truss or bar joist or directly above a beam provided that the truss chord or beam dimension is not more than 8 in. (203 mm) and the sprinkler deflector is located as least 6 in. (152 mm) above the structural member and where the sprinkler is positioned at a distance four times greater than the maximum dimension of the web members away from the web members The requirements of shall not apply to the piping to which pendent sprinklers are directly attached less than 3 in. (75 mm) in diameter The requirements of shall not apply to the piping to which an pendenet sprinklers are directly attached The requirements of shall not apply to sprinklers positioned with respect to obstructions in accordance with Suspended or Floor-Mounted Vertical Obstructions. The distance from sprinklers to privacy curtains, free-standing partitions, room dividers, and similar obstructions in light hazard occupancies shall be in accordance with Table and Figure Insert Table from NFPA 13 as Table Suspended or Floor- Mounted Obstructions (Residential Upright and Pendent Spray Sprinklers). Insert Figure from NFPA 13 as Figure Suspended or Floor Mounted Obstructions (Residential Upright and Pendent Spray Sprinklers) * Obstructions that Prevent Sprinkler Discharge from Reaching the Hazard Continuous or noncontinuous obstructions that interrupt the water discharge in a horizontal plane more than 18 in. (457 mm) below the sprinkler deflector in a manner to limit the distribution from reaching the protected hazard shall comply with Sprinklers shall be installed under fixed obstructions over 4 ft. (1.2 m) wide such as ducts, decks, open grate flooring, cutting tables, and overhead doors Sprinklers shall not be required under obstructions that are not fixed in place such as conference tables Obstructions to Sprinkler Discharge (Residential Sidewall Spray Sprinklers) Performance Objective Sprinklers shall be located so as to minimize obstructions to discharge or additional sprinklers shall be provided to ensure adequate coverage of the hazard Sidewall sprinklers shall be installed no closer than 8 ft. (2.4 m) from light fixtures or similar obstructions The distance between light fixtures or similar obstructions located more than 8 ft (2.4 m) from the sprinkler shall be in conformity with Table and Figure Insert Table from NFPA 13 as Table Positioning of Sprinklers to Avoid Obstructions (Residential Sidewall Sprinklers). Insert Figure from NFPA 13 as Figure Positioning of Sprinklers to Avoid Obstructions (Residential Sidewall Sprinklers) Obstructions projecting from the same wall as the one on which the sidewall sprinkler is mounted shall be in accordance with Table and new Figure Insert Table and Figure from NFPA 13 as new Table and new Figure Obstructions to Sprinkler Discharge Pattern Development General Continuous or noncontinuous obstructions less than or equal to 18 in. (457 mm) below the sprinkler deflector that prevent the pattern from fully developing shall comply with this section Regardless of the rules of this section, solid continuous obstructions shall meet the requirements of and * Unless the requirements of or are met, sprinklers shall be positioned away from obstructions a minimum distance of four times the maximum dimension of the obstruction. The maximum clear distance required shall be 36 in. (0.91 m) from the sprinkler (e.g., truss webs and chords, pipe, columns, and fixtures) Sidewall sprinklers shall be positioned in accordance with Figure when obstructions are present. Insert FIGURE from NFPA 13 as Figure Minimum Distance from Obstruction (Residential Sidewall) The requirements of and shall not apply where sprinklers are positioned with respect to obstructions in accordance with and Suspended or Floor-Mounted Vertical Obstructions. The distance from sprinklers to privacy curtains, free-standing partitions, room dividers, and similar obstructions in light hazard occupancies shall be in accordance with Table and Figure Insert Table from NFPA 13 as Table Suspended or Floor- Mounted Obstructions (Residential Sidewall Sprinklers). Insert Figure from NFPA 13 as Figure Suspended or Floor-Mounted Obstructions (Residential Sidewall Sprinklers) * Obstructions that Prevent Sprinkler Discharge from Reaching the Hazard Continuous or noncontinuous obstructions that interrupt the water discharge in a horizontal plane more than 18 in. (457 mm) below the sprinkler deflector in a manner to limit the distribution from reaching the protected hazard shall comply with this section Sprinklers shall be installed under fixed obstructions over 4 ft (1.2 m) wide such as ducts, decks, open grate flooring, cutting tables, and overhead doors Sprinklers shall not be required under obstructions that are not fixed in place such as conference tables. A The rules of (known as the Four Times Rule ) have been written to apply to obstructions where the sprinkler can be expected to get water to both sides of the obstruction without allowing a significant dry shadow on the other side of the obstruction. This works for small noncontinuous 13D-18

19 obstructions and for continuous obstructions where the sprinkler can throw water over and under the obstruction, such as the bottom chord of an open truss or joist. For solid continuous obstructions, such as a beam, the Four Times Rule is ineffective since the sprinkler cannot throw water over and under the obstruction. Sufficient water must be thrown under the obstruction to adequately cover the floor area on the other side of the obstruction. To ensure this, compliance with the rules of is necessary. A Frequently, additional sprinkler equipment can be avoided by reducing the width of decks or galleries and providing proper clearances. Slatting of decks or walkways or the use of open grating as a substitute for automatic sprinklers there under is not acceptable. The use of cloth or paper dust tops for rooms forms obstruction to water distribution. If dust tops are used, the area below should be sprinklered. A The rules of (known as the Four Times Rule:) have been written to apply to obstructions where the sprinkler can be expected to get water to both sides of the obstruction without allowing a significant dry shadow on the other side of the obstruction. This works for small noncontinuous obstructions and for continuous obstructions where the sprinkler can throw water over and under the obstruction, such as the bottom chord of an open truss or joist. For solid continuous obstructions, such as a beam, the Four Times Rule is ineffective since the sprinkler cannot throw water over and under the obstruction. Sufficient water must be thrown under the obstruction to adequately cover the floor area on the other side of the obstruction. To ensure this, compliance with the rules of is necessary. A See A Renumber current Section and subsequent sections. SUBSTANTIATION: The single statement that currently deals with obstructions offers no guidance to the user. Even though offer a less costly life safety system the sprinklers still need to be clear of obstructions in order to perform their function properly. The obstruction criteria found in NFPA 13 should therefore be applicable to all installations of residential sprinklers. This proposal was developed by the UL/FM/NFSA Liaison Group. COMMITTEE STATEMENT: See committee statement on 13D-48 (Log # 58). BALLOT RESULTS: Affirmative: 25 Negative: 1 YU: I agree with the justifications provided by the submitters. 13D-50 Log #66 AUT-RSS Final Action: Reject (8.2.5) SUBMITTER: Douglas Fries, Automatic Sprinkler Spray Inc RECOMMENDATION: Add an annex statement to clarify the intent and method of compliance with SUBSTANTIATION: The current standard and annex do not clearly address methods of compliance in unfinished basements which occur in 50 percent of newly constructed residential homes. COMMITTEE STATEMENT: The submitter provided no proposed changes to. 13D-51 Log #6 AUT-RSS Final Action: Reject (8.2.7 (New) ) SUBMITTER: Peter T. Schwab, Wayne Automatic Fire Sprinklers, Inc RECOMMENDATION: Add a new as follows: In air conditioning equipment closets that are less than 100 ft 3 in volume, a single sprinkler located at the highest ceiling shall be permitted to protect the entire closet regardless of obstruction to discharge patterns. SUBSTANTIATION: The situation is related to a typical 2 ft 4 in. by 2 ft 6 in. residential AHU closet that is virtually crammed full of ductwork from the ceiling down to the discharge at the air handler cabinet. The problem is the AHJ that wants additional sprinklers in this (6 square foot) closet because the lone sprinkler s discharge pattern is blocked by duct and the entire floor might not get wet! To properly protect such a configuration by the letter of the code without creating any shadows could require 2 or even 3 strategically placed sprinklers! Surely this cannot represent the intent of the committee. COMMITTEE STATEMENT: Currently section and section address this issue. Additionally, see action on 13D-48 (Log #58) that addresses the issue of not applying the obstruction rules from NFPA 13. BALLOT RESULTS: Affirmative: 24 Negative: 2 KILLEY: The negative vote is to accept this proposal for new section with wording changed In all closets including mechanical equipment closets that are less than 100 cubic ft in volume, a single sprinkler located at the highest ceiling shall be permitted to protect the entire closet regardless of obstruction to discharge patterns. Substantiation: The committee accepted this proposal (with editorial change) under 13R-51 Log#18. There seems to be no reason why this exact same wording could not be acceptable to 13D systems as well. STANLEY: The Committee accepted similar language for NFPA 13R (see Proposal 13R-51). I believe we need this same language in the body of this standard to help clarify obstruction issues in these small equipment closets for the AHJ. 13D-52 Log #74 AUT-RSS Final Action: Accept in Principle in Part (8.2.7 & Annex (New) ) SUBMITTER: Victoria B. Valentine, National Fire Sprinkler Association RECOMMENDATION: Add new Section as follows: Sprinklers can be placed without regard to the blades of a ceiling fan provided the plan view of the fan is at least 50% open. A The housing unit of the ceiling fan is expected to be addressed by the 4 times rule. SUBSTANTIATION: Ceiling fans are a common obstruction in residential occupancies that should be addressed by this standard. If the sprinkler is at least 4 times away from the housing unit of the fan then the fire should be able to be controlled by the sprinkler even though the blades may shadow some of the coverage area. This proposal was developed by the UL/FM/NFSA Liaison Group. in Part Add new Section as follows: Sprinklers shall be permitted to be placed without regard to the blades of a ceiling fan provided the plan view of the fan is at least 50% open. Reject the annex text. COMMITTEE STATEMENT: It is the intent of the committee that the blades of the ceiling fan not be considered obstructions. The committee agrees with the submitter, but further wants to seek input from the obstruction task group on the obstruction created by the motor housing. The committee rejects the annex text since it is not the intent of to apply the obstruction rules of NFPA 13. BALLOT RESULTS: Affirmative: 25 Negative: 1 YU: I agree with the justifications provided by the submitters. 13D-53 Log #47 AUT-RSS Final Action: Accept in Principle (8.3) SUBMITTER: Mark E. Fessenden, Tyco Fire & Building Products RECOMMENDATION: Revise Section Where system piping is located in areas not maintained above 40 F (4 C), the pipe shall be protected against freezing by use of one of the following methods: (1) Dry pipe system and preaction systems (2) Antifreeze system in accordance with (3) Listed standard dry-pendent or dry-sidewall sprinklers extended from pipe in heated areas into unheated areas not intended for living purposes. Add New Section Dry Pipe and Preaction Systems Sprinklers The following types of sprinklers and arrangements shall be permitted for dry pipe and preaction systems: (1) Listed residential upright sprinklers (2) Listed residential dry sprinklers (3) Listed residential pendent and sidewall sprinklers installed on nonmetallic piping, where the sprinklers and branch line piping are in an area maintained at or above 40 F (4 C) (4) Listed residential pendent and sidewall sprinklers installed on return bends, where the sprinklers, return bend, and branch line piping are in an area maintained at or above 40 F (4 C) (5) Listed residential Horizontal sidewall sprinklers, installed so that water is not trapped Sprinklers with K-factors greater than 4.0 and less than 5.6 shall be permitted to be installed on dry pipe systems where piping is corrosion resistant or internally galvanized Sprinklers with K-factors of 5.6 or greater shall be permitted to be installed on dry pipe systems meeting the requirements of Section 5.2, where the piping is suitable for use on a dry pipe system Preaction Systems. Preaction systems shall be one of the following types: 13D-19

20 (1) A single interlock system, which admits water to sprinkler piping upon operation of detection devices (2) A non-interlock system, which admits water to sprinkler piping upon operation of detection devices or automatic sprinklers (3) A double interlock system, which admits water to sprinkler piping upon operation of both detection devices and automatic sprinklers Dry pipe and preaction System Water Delivery Calculations for dry pipe and preaction system water delivery shall be based on the hazard shown in Table Table Water Delivery Time for Dry pipe and Preaction Systems Hazard Number of Most Remote Maximum Time of Sprinklers Water Delivery Residential Initially Open 1 15 seconds The calculation program and method shall be listed by a nationally recognized laboratory Location and Protection of Dry Pipe and Preaction Valves. The dry pipe valve, preaction valve, and supply pipe shall be protected against freezing and mechanical injury Location and Spacing of Detection Devices. Spacing of detection devices, including automatic sprinklers used as detectors, shall be in accordance with their listing and manufacturer s specifications System Configuration. Dry pipe systems and Preaction systems of the type described in (3) shall not be gridded. SUBSTANTIATION: Residential dry and preaction systems have been described by, but it is only recently that residential sprinklers have been specifically investigated and listed for this service (see enclosure). NFPA added criteria to the standard outlining procedures for assuring water delivery time to a residential sprinkler in a dry system. The new listings, lack of specific guidance within the standard for residential sprinklers in dry and preaction system service, and need to maintain a consistency between NFPA 13 and for residential dry pipe and preaction system water delivery necessitates the interim inclusion of this material in the standard. Revise Section as follows: 8.3.1* Wet Pipe Systems. A wet pipe system shall be used where all piping is installed in areas maintained above 40 F (4 C), including areas properly insulated to maintain 40 F (4 C) Where system piping is located in areas not maintained above 40 F (4 C), the pipe shall be protected against freezing by use of one of the following methods: (1) Dry pipe system and preaction systems in accordance with Section (2) Antifreeze system in accordance with Section (3) Listed standard dry-pendent or dry-sidewall sprinklers extended from pipe in heated areas into unheated areas not intended for living purposes. Add New Section as follows: Dry Pipe and Preaction Systems Sprinklers Sprinklers shall be specifically listed for use on dry pipe and double interlock preaction systems. The following types of sprinklers and arrangements shall be permitted for dry pipe and preaction systems: (1) Residential upright sprinklers (2) Residential dry sprinklers (3) Residential pendent and sidewall sprinklers installed on return bends, where the sprinklers, return bend, and branch line piping are in an area maintained at or above 40 F (4 C). Return bends may be omitted when using potable water supplies combined with corrosion resistant pipe. (4) Residential Horizontal sidewall sprinklers, installed so that water is not trapped Sprinklers with nominal K-factors greater than 4.0 and less than 5.6 shall be permitted to be installed on dry pipe systems where piping is corrosion resistant or internally galvanized Sprinklers with nominal K-factors of 5.6 or greater shall be permitted to be installed on pipe complying with the requirements of Section Preaction Systems. Preaction systems shall be one of the following types: (1) A single interlock system, which admits water to sprinkler piping upon operation of detection devices (2) A non-interlock system, which admits water to sprinkler piping upon operation of detection devices or automatic sprinklers (3) A double interlock system, which admits water to sprinkler piping upon operation of both detection devices and automatic sprinklers Dry pipe and Double Interlock preaction System Water Delivery Water delivery shall be based on the hazard shown in Table Table Water Delivery Time for Dry pipe and Double Interlock Preaction Systems Hazard Number of Most Remote Sprinklers Initially Open Maximum Time of Water Delivery Residential 1 15 seconds Water delivery shall be based one of the following: (1) Calculation program and method that shall be listed by a nationally recognized laboratory. (2) An inspector s test connection providing a flow equivalent to the smallest orifice sprinkler utilized, wherein the test orifice is located on the end of the most distant sprinkler pipe Location and Protection of Dry Pipe and Preaction Valves. The dry pipe valve, preaction valve, and supply pipe shall be protected against freezing and mechanical injury Detection Devices. The detection system shall be designed to operate sooner than the first sprinkler System Configuration. Dry pipe systems and Preaction systems of the type described in (3) shall not be gridded Drainage. Piping shall be pitched a minimum of 1 inch per 10 feet to facilitate draining Auxiliary Drains. Auxiliary drains shall be provided where a change in piping direction prevents drainage of system piping through the drain valve on the system side of the control valve. At a minimum, auxiliary drains shall be a nipple and cap or plug not less than 1/2 inch Air Supply. The system air pressure shall be maintained by approved equipment. COMMITTEE STATEMENT: The committee agrees with the submitter but further wanted to clarify the proposed text including appropriate criteria for dry pipe systems to address test connections to determine the 15 second water delivery and drainage. COMMENT ON AFFIRMATIVE DEEGAN: Requirements for residential dry systems should be reviewed relative to requirements in NFPA 13 and coordinated and expanded where necessary. The proposal addresses some issues but a comprehensive review is necessary. I do not believe this committee has seen data in support of the 15 second requirement. This data should be provided. SCHIRMER: I assume including areas properly insulated to maintain 40 F included insulation of piping and not the entire space where piping is installed - see present A figures. 13D-54 Log #50 AUT-RSS Final Action: Reject (8.3.3) SUBMITTER: Kenneth E. Isman, National Fire Sprinkler Association RECOMMENDATION: Add new text to read as follows: Limit the use of antifreeze systems to solutions of 50% antifreeze. Also require that systems discharge water after initial discharge of antifreeze. SUBSTANTIATION: Concerns have been raised as to the use of antifreeze since it is a flammable liquid. When mixed with water at concentrations 50% or below, water miscible liquids tend not to exhibit flammable properties. Solutions over 50% need to be tested. While most antifreeze systems have a very small volume of antifreeze, which is then followed by water, concern has been expressed regarding the use of total antifreeze systems that never discharge anything but antifreeze. Controls should be put in place until testing has determined whether these systems will control a fire. This is a placeholder proposal while the Task Group on this subject continues to work. COMMITTEE STATEMENT: The submitter provided no data to support the proposed changes. 13D-55 Log #12 AUT-RSS Final Action: Accept in Principle ( ) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Revise text to read as follows: Arrangement of supply piping with backflow device or when water supply comes from a storage tank that feeds through a check valve that does not have a 1/32 in. hole drilled in the clapper. SUBSTANTIATION: Leaks have occurred in glycerine systems that have check valves installed without the 1/32 hole. NFPA does not require the hole because the solution will drain back into the tank, therefore you need to add the expansion chamber. Add a new Section as follows: Arrangement of supply piping when water supply comes from a storage tank or water supply that feeds through a check valve that does not have a 1/32 in. hole drilled in the clapper shall meet the requirements of Section D-20

21 COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify when an expansion chamber was required. 13D-56 Log #2 AUT-RSS Final Action: Reject ( ) SUBMITTER: Jim Everitt, Western Regional Fire Code Dev. Committee RECOMMENDATION: Revise to read: * Where the connection between the antifreeze system and the wet pipe system incorporates a backflow prevention device, an approved means of relieving the pressure in the antifreeze system shall be provided. Add a new first paragraph to the existing annex to read: One means of providing pressure relief is to use an approved expansion chamber of adequate size and precharged air pressure as illustrated in Figure A Other means that will preserve the concentration of the antifreeze solution can be used with the approval of the ahj. (The rest to remain the same) Delete Figure and move to the annex. SUBSTANTIATION: There are generally two types of expansion chambers. The one most people are familiar with are the ones found on water heaters. For many systems with higher water pressure, these expansion chambers are inadequate and do not work. The other expansion chamber has a higher tolerance for pressure. Too often, contractors are installing the more familiar expansion chamber which isn t adequate and leaves a system with a full chamber and no room for expansion. The other problem is that the higher pressure expansion chambers are expensive. I have had contractors tell me that some chambers are in the thousands of dollars range. This change would allow flexibility, and creativity with control by the ahj. One example might be a pressure relief valve with holding tank and a means to suck the liquid back in when expansion decreases much like the radiator of an automobile. COMMITTEE STATEMENT: The committee is not aware of any additional methods that address the expansion of the antifreeze solution while maintaining the concentration. The submitter is encouraged to provide additional approved methods for consideration at the ROC meeting. 13D-57 Log #20 AUT-RSS Final Action: Accept in Principle ( ) SUBMITTER: Alan G. Larson, Uponor Wirsbo Company Ltd. RECOMMENDATION: Revise text to read as follows: (9) When insert tees fittings are installed, each sprinkler shall have four separate paths from the water supply. A maximum of one insert fitting shall be permitted in each pipe section between sprinklers to serve only domestic fixtures. SUBSTANTIATION: The word tees in the first sentence should be replaced with the word fittings. The use of the word tees gives the impression that other types of listed fittings could not be used in a network system, which is incorrect and causes confusion in the field. Revise text to read as follows: (9) A maximum of one insert tee shall be permitted in each pipe section between sprinklers to serve only domestic fixtures (10) When insert fittings are installed, each sprinkler shall have four separate paths from the water supply. Renumber sections accordingly. COMMITTEE STATEMENT: The committee agrees with the submitter, but further wanted to clarify the proposed text and to ensure that insert crosses were not utilized. 13D-58 Log #64 AUT-RSS Final Action: Reject ( ) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Revise text as follows: * 1/2-inch (12.7 mm) nonmetallic pipe and 1/2-inch (12.7 mm) copper pipe along with listed special fittings shall be permitted to be used only in network systems under the following conditions: SUBSTANTIATION: With some exceptions, the plumbing code and ASTM standards requirements for plastic water distribution pipe are substantially equivalent to the requirements in UL 1821, Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Eliminating the need for listing per UL 1821 will further reduce the cost of multipurpose systems. Lower costs will further reduce the opposition of homebuilders to offering a sprinkler option to homebuyers. Some of the requirements in UL 1821 are more restrictive than the plumbing codes and standards for water distribution pipe. Where the plumbing codes accept manufacturer s data for friction loss coefficients, fitting equivalent pipe lengths and kinking, UL 1821 includes tests to confirm the manufacturer s data. The plumbing codes do not require a vibration test, nor do they require an ammonia air test for brass parts containing more than 15-percent zinc. UL 1821 requires a marking permanency test, where the plumbing code requires that the marking be readable after installation. UL 1821 also requires wall thickness monitors on extruders. Some manufacturers use them, and some remove samples from each run for lab testing. The pipe must comply with the ASTM standards for wall thickness tolerances. In the event that the technical committee accepts this proposal, I am also submitting a proposal that all multipurpose systems receive a flow verification test. Such a test documents that the system was properly designed, that the data used in the design (e.g., friction loss coefficients and fitting equivalent pipe lengths) were accurate, and that the contractor installed the system per the design. Given that multipurpose pipe will not experience any pressure, flow, wear-and-tear or environment different than water distribution pipe, it is reasonable to eliminate the UL listing requirements. Requiring a flow verification test should satisfy any concerns that eliminating that requirement will reduce the quality or effectiveness of multipurpose systems. COMMITTEE STATEMENT: See committee action on 13D-17 (Log #60). Additionally, it is important to have an allowance for special fittings and their evaluation. 13D-59 Log #35 AUT-RSS Final Action: Accept ( (1)) RECOMMENDATION: Revise text as follows: (1) * Each sprinkler shall be supplied through a minimum of three separate paths from the supply manifold shutoff valve assembly within the dwelling unit. Annex Figure A (1) SUBSTANTIATION: The term manifold better reflects the terminology utilized in a network system installation. The annex figure provides an illustration of a typical manifold. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap 13D-60 Log #31 AUT-RSS Final Action: Accept in Principle ( (10)) RECOMMENDATION: Revise text as follows (10) The piping to the plumbing fixtures shall be of copper or listed pipe in accordance with the plumbing code. SUBSTANTIATION: We are not aware of any reason that this standard should require piping to Plumbing fixtures in network systems to be restricted to copper or listed pipe. Any type of piping that complies with the plumbing code should be acceptable for use in this application. 13D-21

22 Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap Revise text as follows: (10) The piping supplying plumbing fixtures only shall be in accordance with the plumbing code. COMMITTEE STATEMENT: The committee agrees with the submitter, but wanted to further clarify that the piping only supply the plumbing fixture. 13D-61 Log #65 AUT-RSS Final Action: Accept in Principle ( (10)) SUBMITTER: Patrick J. Coughlin Shawnee, KS RECOMMENDATION: Revise text to read as follows: (1) The piping to the plumbing fixtures shall be of copper or listed comply with the plumbing code. SUBSTANTIATION: With some exceptions, the plumbing code and ASTM standards requirements for plastic water distribution pipe are substantially equivalent to the requirements in UL 1821, Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service. Eliminating the need for listing per UL 1821 will further reduce the cost of multipurpose systems. Lower costs will further reduce the opposition of homebuilders to offering a sprinkler option to homebuyers. Some of the requirements in UL 1821 are more restrictive than the plumbing codes and standards for water distribution pipe. Where the plumbing codes accept manufacturer s data for friction loss coefficients, fitting equivalent pipe lengths and kinking, UL 1821 includes tests to confirm the manufacturer s data. The plumbing codes do not require a vibration test, nor do they require an ammonia air test for brass parts containing more than 15-percent zinc. UL 1821 requires a marking permanency test, where the plumbing code requires that the marking be readable after installation. UL 1821 also requires wall thickness monitors on extruders. Some manufacturers use them, and some remove samples from each run for lab testing. The pipe must comply with the ASTM standards for wall thickness tolerances. In the event that the technical committee accepts this proposal, I am also submitting a proposal that all multipurpose systems receive a flow verification test. Such a test documents that the system was properly designed, that the data used in the design (e.g., friction loss coefficients and fitting equivalent pipe lengths) were accurate, and that the contractor installed the system per the design. Given that multipurpose pipe will not experience any pressure, flow, wear-and-tear or environment different than water distribution pipe, it is reasonable to eliminate the UL listing requirements. Requiring a flow verification test should satisfy any concerns that eliminating that requirement will reduce the quality or effectiveness of multipurpose systems. COMMITTEE STATEMENT: See committee action on 13D-60 (Log #31). 13D-62 Log #32 AUT-RSS Final Action: Reject ( (2)) RECOMMENDATION: Revise text as follows: (2) Plans Calculations shall clearly indicate the pipes that create the paths to each sprinkler. SUBSTANTIATION: Calculations are already required by (6) to be in accordance with NFPA 13. Those provisions and accepted good practices require that the performance of each piping segment be summarized and documented in the output worksheets. Additionally, the requirement that calculations clearly indicate the pipes that create the paths is vague and not defined by the standard. If paths are shown on the plans, in conjunction with NFPA 13- compliant calculation worksheets, users and reviewers of plans should be able to readily identify and reference the required hydraulic paths. The committee should also establish a standard of care for clearly indicating paths on plans. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap COMMITTEE STATEMENT: The intent of the committee is that the calculations indicate the separate path to each sprinkler. The calculations are intended to supplement the design layout to assist in following the separate paths to each sprinkler. 13D-63 Log #40 AUT-RSS Final Action: Accept ( (3)) RECOMMENDATION: Revise section (3) to read: (3) A water distribution P p ipe that supplies a sprinkler shall not terminate in a dead end. SUBSTANTIATION: The term water distribution pipe is consistent with the plumbing codes and clarifies the intent of the section. It will also clarify that only water distribuiton pipe that feeds plumbing fixtures can terminate in a dead end. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap 13D-64 Log #38 AUT-RSS Final Action: Accept ( (7)) RECOMMENDATION: Delete text as follows: (7) The system shall be supplied from a potable water source, or it shall be equipped with a strainer at the connection to the supply line. SUBSTANTIATION: This section is not necessary. By definition, the water supply for network systems must be potable. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap 13D-65 Log #41 AUT-RSS Final Action: Accept in Principle ( (8)) RECOMMENDATION: Revise text as follows: (8) The method of joining the pipe to fittings or to other pipe shall be in accordance with its listing and c overed by the listing t he plumbing code. SUBSTANTIATION: The plumbing codes contain detailed requiremetns for joining potable water pipe. There is no need for additional requiremetns for pipe and fittings that will not experience pressure greater than that for domestic plumbing systems. Background - The ICC Ad Hoc Committee for Revisions to was 13D-22

23 address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap Revise text as follows: (8) The method of joining the pipe to fittings or to other pipe shall be in accordance with the applicable plumbing code. Editorially throughout refer to applicable plumbing code COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the applicable plumbing code reference. 13D-66 Log #57 AUT-RSS Final Action: Reject (8.6.2) SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Add a second sentence to to read as follows: Sprinklers shall be required in bathrooms that are beneath a stairwell used as a means of egress. SUBSTANTIATION: It is a common practice to place a powder room under a stairway that is the only means of egress from an upper floor. A fire in such an unsprinklered space would compromise the means of egress. This proposal was generated by the NFSA Engineering and Standards Committee. COMMITTEE STATEMENT: It is not the intent of to require sprinklers in small bathrooms regardless of location. 13D-67 Log #26 AUT-RSS Final Action: Accept in Part (8.6.5) SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. RECOMMENDATION: Additional new text to be inserted in under Section Sprinklers shall not be required in attics, penthouse equipment rooms, elevator machine rooms, concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment, floor/ceiling spaces, elevator shafts, crawl spaces, and other concealed spaces that are not used or intended for living purposes or storage and do not contain fuel-fired equipment. SUBSTANTIATION: The sprinkler requirement under in NFPA 13R Ed. are not included in Ed. The sprinklers omitted under Section in NFPA 13R should be applied to since NFPA 13R covers residential occupancies up to and including four stories in height. Reference used for Proposal I. Current text in under Sprinklers shall not be required in attics, crawl spaces, and other concealed spaces that are not used or intended for living purposes. II. Current text in NFPA 13R-2002 under Sprinklers shall not be required in attics, penthouse equipment rooms, elevator machine rooms, concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment, crawl spaces, floor/ceiling spaces, elevator shafts, and other concealed spaces that are not used or intended for living purposes or storage and do not contain fuel-fired equipment. in Part Reword section to read as follows: Sprinklers shall not be required in attics, penthouse equipment rooms, elevator machine rooms, concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment, floor/ceiling spaces, elevator shafts, crawl spaces, and other concealed spaces that are not used or intended for living purposes and do not contain fuel-fired equipment. COMMITTEE STATEMENT: The committee agrees with the submitter, except that it is not the intent of to require sprinklers in attics because of storage. 13D-68 Log #45 AUT-RSS Final Action: Accept in Principle (8.6.5) SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. RECOMMENDATION: Add new text as follows: Sprinklers shall not be required in attics, penthouse equipment rooms, elevator machine rooms, concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment, floor/ceiling spaces, elevator shafts, crawl spaces, and other concealed spaces that are not used or intended for living purposes or storage and do not contain fuel-fired equipment. Reference Used for Proposal: I. Current text in under Sprinklers shall not be required in attics, crawl spaces, and other concealed spaces that are not used or intended for living purposes. II. Current text in NFPA 13R-2002 under Sprinklers shall not be required in attics, penthouse equipment rooms, elevator machine rooms, concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment, crawl spaces, floor/ceiling spaces, elevator shafts, and other concealed spaces that are not used or intended for living purposes or storage and do not contain fuel-fire equipment. SUBSTANTIATION: The sprinkler requirement under in NFPA 13R ed. are not included in ed. The sprinklers omitted under section in NFPA 13R should be applied to since NFPA 13R covers residential occupancies up to and including four stories in height. COMMITTEE STATEMENT: See committee action on 13D-67 (Log #26). 13D-69 Log #4 AUT-RSS Final Action: Reject (8.6.6) SUBMITTER: Jon Nisja, Northcentral Regional Fire Code Development Committee RECOMMENDATION: Revise to read: Sprinklers shall not be required in covered unheated projections of the building at entrances/exits as long as there is another means of egress escape from the dwelling unit. SUBSTANTIATION: The Life Safety Code does not use the term means of egress for dwelling units. The word escape replaces egress to allow less stringent exiting from dwellings. COMMITTEE STATEMENT: It is not the intent of the committee to permit means of escape it is the intent of the committee to address means of egress. 13D-70 Log #25 AUT-RSS Final Action: Reject (8.6.7) SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. RECOMMENDATION: Additional new text to be inserted in under Section 8.6.7: Sprinklers shall not be required for ceiling pockets that meet following conditions: (1) The total volume of unprotected ceiling pocket does not exceed 1000 ft 3. (2) The entire floor under the unprotected ceiling pocket is protected by the sprinklers at the lower ceiling elevation. (3) Each unprotected ceiling pocket is separated from any adjacent unprotected ceiling pocket by a minimum 10 ft horizontal distance. (4) The unprotected ceiling pocket is constructed of noncombustible or limited combustible construction. (5) Skylights not exceeding 32 ft 2 shall be permitted to have a plastic cover. Reference used for proposal: I. Current text in NFPA under Ceiling Pockets Sprinklers shall be required in all ceiling pockets the requirements of shall not apply where all of the following are met: (1) The total volume of the unprotected ceiling pocket does not exceed 1000 ft 3 (2) The depth of the unprotected pocket does not exceed 36 in. (3) The entire floor under the unprotected ceiling pocket is protected by the sprinklers at the lower ceiling elevation. (4) Each unprotected ceiling pocket is separated from any adjacent unprotected ceiling pocket by a minimum 10 ft horizontal distance. (5) The unprotected ceiling pocket is constructed of noncombustible or limited combustible construction. (6) Skylights not exceeding 32 ft 2 shall be permitted to have a plastic cover. (7) Quick response sprinklers are utilized throughout the compartment. SUBSTANTIATION: Ceiling pockets and skylights are popular features for residential dwellings covered under 13D. does not adequately cover sprinkler requirements for ceiling pockets, suitable to one- and two-family dwellings. Proposed new text is taken from NFPA Section under Ceiling Pockets. COMMITTEE STATEMENT: The material utilized to develop the requirements in NFPA 13 was based upon comparing standard response to quick response sprinklers. The committee does not feel that the comparison is valid. The submitter is encouraged to provide data to address the potential delays in activation for residential sprinklers. 13D-23

24 13D-71 Log #44 AUT-RSS Final Action: Accept 13D-74 Log #22 AUT-RSS Final Action: Accept (8.6.7) (A.1.1) SUBMITTER: Edward Yongsun Lee, Omnitech Engineering Inc. SUBMITTER: Marcelo M. Hirschler, GBH International RECOMMENDATION: Add new text as follows: RECOMMENDATION: Revise as follows: Sprinklers shall not be required for ceiling pockets that meet the following conditions: A.1.1 is appropriate for protection against fire hazards only in one- and two-family dwellings and manufactured homes. Residential portions (1) The total volume of unprotected ceiling pocket does not exceed 100 ft 3. of any other type of building or occupancy should be protected with residential sprinklers in accordance with NFPA 13, or in accordance with NFPA 13R. (2) The entire floor under the unprotected ceiling pocket is protected by the Other portions of such buildings should be protected in accordance with NFPA sprinklers at the lower ceiling elevation. 13 or NFPA 13R as appropriate for areas outside the dwelling unit. (3) Each unprotected ceiling pocket is separated from any adjacent unprotected ceiling pocket by a minimum 10 ft horizontal distance. ing typical furnishings found in residential living rooms, kitchens, and bed- The criteria in this standard are based on full-scale fire tests of rooms contain- (4) The unprotected ceiling pocket is constructed of non combustible or limited combustible construction. manner similar to that shown in Figure A.1.1(a), Figure A.1.1(b), and Figure rooms. The furnishings were arranged as typically found in dwelling units in a (5) Skylights not exceeding 32 ft 2 shall be permitted to have a plastic cover. A.1.1(c). Sixty full-scale fire tests were conducted in a two-story dwelling in SUBSTANTIATION: Ceiling pockets and skylights are popular features for Los Angeles, California, and 16 tests were conducted in a 14 ft (4.3 m) wide residential dwellings covered under. does not adequately cover sprinkler requirements for ceiling pockets, suitable to one- and two- Sprinkler systems designed and installed according to this standard are expect- mobile home in Charlotte, North Carolina. family dwellings. Proposed new text is taken from NFPA section ed to prevent flashover within the compartment of origin where sprinklers are under Ceiling Pockets. installed in the compartment. A sprinkler system designed and installed according to this standard cannot, however, be expected to completely control a fire involving fuel loads that are significantly higher than average for dwelling units BALLOT RESULTS: Affirmative: 25 Negative: 1 [10 lb/ft 2 (49 kg/m 2 )] and where the interior finish has an unusually high flame spread rating index (greater than 225). (For protection of multifamily dwellings, see NFPA 13, Standard for the YU: Item 13D-71 proposes that the limit for the total unprotected ceiling pocket volume be 100 ft 3, which is rather arbitrary. In residential dwellings, rooms Sprinkler Systems in Residential Occupancies up to and Including Four Stories Installation of Sprinkler Systems, or NFPA 13R, Standard for the Installation of of about 100 ft 2 are common, where the response of sprinklers at a lower ceiling elevation could be severely delayed. No supporting data is available to SUBSTANTIATION: This proposal simply changes the terminology to the in Height.) show otherwise. correct usage of flame spread index, without making any technical changes. 13D-72 Log #56 AUT-RSS Final Action: Reject Only accept the change to index make no other changes. (8.6.7 (New) ) COMMITTEE STATEMENT: The committee intends to only change to Index. SUBMITTER: Cecil Bilbo, National Fire Sprinkler Association RECOMMENDATION: Add new text to read as follows: Sprinklers shall be required in elevator equipment rooms, elevator machine rooms, and elevator shafts. Sprinklers shall not be required at the bottom of elevator shafts. Sprinklers shall not be required at the top of elevator 13D-75 Log #33 AUT-RSS Final Action: Accept in Principle shafts where the shaft is noncombustible and the elevator car meets ASME (A Network System (New) ) A17.1, Safety Code for Elevators and Escalators. SUBSTANTIATION: While they are rare, devices like elevators are sometimes found in single family homes. When they are, guidance is needed. If an elevator is being installed in a single-family home, cost of the system is not an RECOMMENDATION: Add new annex text as follows: issue and vertical fire spread needs to be minimized. The reason that the sprinkler is permitted to be omitted from the bottom of the shaft is that there typi- A A network system is a type of multipurpose system that often uses flexible piping to serve both domestic and fire protection needs. It often uses a cally is no pit in these installations and there is no room for the sprinkler when network of flexible piping, with smaller individual pipe sizes to provide an the elevator car is in the lowest position. The exception for the top of the shaft equivalent level of suppression capability as larger piping systems. To accomplish this protection each sprinkler is supplied by water flowing to it from at is similar to the exception in NFPA 13. This proposal was developed by the NFSA Engineering and Standards least three separate paths. Committee. COMMITTEE STATEMENT: See committee action on 13D-67 (Log #26). 13D-73 Log #36 AUT-RSS Final Action: Reject (Chapter 9) RECOMMENDATION: Consolidate requirements for multipurpose piping systems in a separate chapter. SUBSTANTIATION: The current layout of 13D makes it confusing to locate all multpurpose piping system requirements. Consolidating the requirements in a single chapter would make the standard more user friendly. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap COMMITTEE STATEMENT: The submitter provided no specific recommendations. The submitter is encouraged to submit specific text. 13D-24

25 SUBSTANTIATION: This Annex note helps clarify the nature of the network systems being successfully installed today, which is especially useful for those who are not that familiar with the systems. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap A A network system is a type of multipurpose system that often uses 1/2 in. piping to serve both domestic and fire protection needs providing an equivalent level of suppression capability as larger piping systems. To accomplish this protection each sprinkler is supplied by water flowing to it from at least three separate paths. 13D-77 Log #39 AUT-RSS Final Action: Accept in Principle (A.6.3) RECOMMENDATION: Replace Annex note A.6.3 and the existing three figures with the following. A.6.3 Multipurpose piping systems consist of a single piping system within a residential occupancy that is intended to serve both domestic and fire protection needs. Basic forms of this system are shown in the Figures A.6.3(a), (b) and (c). A network system, as defined in , is a type of multipurpose system that utilizes a common piping system supplying domestic fixtures and fire sprinklers where each sprinkler is supplied by a minimum of three separate paths. Figure A Network System COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to provide a clearer diagram. COMMENT ON AFFIRMATIVE SCHIRMER: Correct diagram to avoid piping through unheated garage. 13D-76 Log #7 AUT-RSS Final Action: Reject (A.5.3) SUBMITTER: Gary L. Johnson, Noveon, Incorporated RECOMMENDATION: Add new text as follows: CPVC should only be painted with Latex paint. Oil base paints are not compatible with CPVC. SUBSTANTIATION: This clarification is needed for AHJ reference. COMMITTEE STATEMENT: There are currently some oil based paints that are permitted to be applied to CPVC pipe. 13D-25

26 SUBSTANTIATION: This proposal addresses the following problems: 1. The new figures more clearly depict typical multipurpose systems. 2. Future demand factors related to the addition of water softeners and water filtration systems are best addressed in Section 8.4.4, and are already addressed in Section 6.3(6) and 6.3(7). Other proposed revisions to those sections address concerns related to the installation of these products. Background - The ICC Ad Hoc Committee for Revisions to was address affordability, practicality, and clarity. This committee developed a number of proposals for to address these areas. Laboratories Regulatory Services ; Wayne Senter, Fire Chief Kitsap Accept the proposed text. Edit figures to ensure the pipe is not in unheated spaces. Add a copy of the network system from committee action on 13D-75 (Log #33). Figure A.6.3(b) COMMITTEE STATEMENT: The committee agreed with the submitter but wanted to further clarify the proposed figures. 13D-78 Log #37 AUT-RSS Final Action: Accept in Principle (A.6.3(1)) RECOMMENDATION: Revise Annex text as follows: A.6.3(1) This provision applies to two-family dwellings, where a common water supply serves both dwelling units, as shown in Figure A.6.3(1). It would not apply to a situation where each of the swellings has its own independent water supply, with separate water meters. In dwellings where long term use of lawn sprinklers is common, provision should be made for such usage. Figure A.6.3(a) 13D-26

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