San Antonio, TX October 12-14, 2016 The following are the meeting minutes from the third meeting of the Technical Committee on Hybrid (Water and Inert Gas) Fire Extinguishing Systems held in San Antonio, TX on. Attendance Chairman: Brent Ehmke (Acting) Ehmke Associates, NC SE Staff Liaison: Barry Chase National Fire Protection Association, A - Secretary: Thomas Euson 3S Incorporated, IN I Principals: Robert Ballard Victaulic, PA Frank Broidy Fire & Pump Service Group, CA I John Campbell Global Fire Protection Group, LLC, O SE Jason Chou UTC/arioff/Kidde, A Eric Forssell JENSEN HUGHES, D SE T Ian Jutras Tyco Fire Protection Products, RI Robert Kasiski F Global, A I David Lindenschmidt Duke Energy, OH U Rep. Edison Electric Institute Shawn ullen Protex Central, IA Rep. Fire Suppression Systems Association Blake Shugarman UL LLC, IL RT James Turner Road Sprinkler Fitters UA Local Union 669, NJ L Rep. United Assn. of Journeyman & Apprentices of the Plumbing and Pipe Fitting Industry Robert Upson National Fire Sprinkler Association, NY Alternates: Lawrence Carmen Alt. to R. Ballard Jonathan Carpenter Alt. to R. Kasiski *Kevin urray Alt. to J. Sharp Justin Perry Alt. to D. Lindenschmidt Kenneth Schneider Alt. to J. Turner Victaulic, PA F Global, A Siemens Industry, Inc., Dominion, VA Rep. Edison Electric Institute UA ITF, O Rep. United Assn. of Journeyman & Apprentices of the Plumbing and Pipe Fitting Industry I U L Guests: Steven Owens Victaulic Kevin Kelly Victaulic Dan Gorham Fire Protection Research Foundation T Participated via teleconference * Voting Alternate
Page 2 of 5 October 12, 2016 A. Call to order by Brent Ehmke, Acting Chair. TC Chair Jeff Harrington sends his regrets. B. Introductions around the room by Principals, Alternates, and Guests. C. Brent Ehmke s comments a. Task group reports b. Review agenda D. Accepted minutes from Charleston meeting with the following corrections: a. Spelling of Blake Shugarman s name was corrected in the list of members on Task Group C. b. Spelling of Eric Forssell s name was corrected in the list of members on Task Groups C and D. E. Staff liaison comments by Barry Chase a. Fire exits. b. Agenda review c. Need to concentrate on Chapters 6, 7 and 8. d. Report on flame intensity referred to after PFRF tests. e. No recording devices allowed in the meeting f. Sign in sheet passed around. All members, alternates, and guests are to sign. g. All Principals should have Alternates. h. Committee make-up. i. Insurance 2 ii. I/ 2 iii. Labor 1 iv. anufacturers 6 v. R/T 1 vi. SE 4 vii. Users 2 i. NFPA s anti-trust statement. j. Legal and ethical issues and list of NFPA documents discussed k. Patents must be disclosed if pertaining to the document l. Discussed manual of style m. Robert s Rules of Order to be followed. n. Discussed process for publishing a new standard o. Substantiation statements for committee actions. p. Voting - needs ⅔ affirmative vote to pass and to be considered by the Standards Council. q. Web based voting details discussed. F. Presentation by Daniel Gorham on the Fire Protection Research Foundation G. Task Group discussions: a. Flame intensity on hold until FPRF project is complete. b. Piping Chapter 5 i. Corrosion ii. Piping requirements iii. Pressure relief c. Design Objectives and Test Protocol Chapter 6 i. Discussion of test protocol; through FPRF. ii. Proceed to Standards Council or wait vote to wait. iii. Victaulic Vortex design presentation by Steve Owens, Victaulic 1. 3 minute discharge 2. 5 minute discharge
Page 3 of 5 3. 10µ droplet size 4. 1:1 ratio nitrogen to water 5. 6:1 ratio nitrogen to water iv. Total Flood Chapter 7 1. Enclosure integrity 2. Venting 3. Peak pressure 4. Extinguishing density definition 5. Insert gas concentration formula 6. NOAEL and LOAEL levels 2001, Chapter 4? 7. Duration a. Reference Department of Agriculture i. 50µ to 750µ ii. Suspension time iii. Up to 10 minutes October 13, 2017 H. Brent Ehmke discussion with Jeff Harrington a. Agreed to another meeting b. Need to discuss variable parameters c. What comments to capture d. How to establish test criteria i. Jason Chou suggested using temperature as the test criteria e. Heat dissipation f. 8 in 2 pan fire Victaulic crossover point g. Room size h. Enclosure integrity door open test? i. Kevin Kelly suggested a task group on test protocols I. Chapter 10 System Documentation a. Need definition of working plans b. Review Chapter 10 c. Strike design in working plan definition J. Chapter 11 Installation Requirements a. Reviewed the task group report and revised as needed October 14, 2016 K. General discussions a. Water ratios b. Vortex 1:1 c. Aqua-Sonic d. arioff SPU e. Siemens little data f. Discussion on standard tests g. Define what makes a hybrid system a hybrid system h. Application specific testing i. Why select a hybrid system over an inerting system j. Where is the majority of the demand? k. Define tests for Class A and Class B fires different extinguishing criteria for Class A, B and C fires l. Target applications i. useums
Page 4 of 5 ii. Asset / records protection iii. Data centers / telcom iv. Electrical rooms (batteries, switchgear) v. achinery spaces / turbine enclosures vi. Transformers (oil filled, indoor) m. Variables i. Temperature ii. Humidity iii. Elevation iv. Volume v. Geometry vi. Obstructions vii. Airflow viii. Unenclosable openings - compensation ix. Fire 1. Heat release rate 2. Fuel type 3. Fire geometry a. Deep seated b. Surface c. Spray d. Fuel quantity n. Extinguishing time safety factor o. Discussion on local application L. Chapter 6 System Design Requirements a. Quick review of the task group report. Chapter 12 Acceptance Testing a. General discussion N. Discussed task groups see below O. Established next meeting arch 7, 8 and 9, 2017 in Orlando, FL a. Kevin urray to present Siemens system b. Task Groups to report at next meeting: 1. Local Application Design (Chapter 8) a. Bob Ballard b. Tom Euson c. Ian Jutras d. Tom Wysocki e. Bob Kasiski f. Dave Lindenschmidt 2. Effects of Elevation on Flame Intensity pending results from FPRF project a. Tom Euson b. Larry Carmen c. Blake Shugarman d. Tom Wysocki e. Frank Broidy f. Kevin urray 3. Task Group on Application Limitations a. John Campbell - Chairman b. Bob Ballard c. Kevin urray
Page 5 of 5 P. Adjourn d. Jim Turner e. Blake Shugarman f. Justin Perry c. All current task group reports, including those that have not been fully reviewed by the committee, will be incorporated into the San Antonio Draft. embers are encouraged to review the full draft for context and to prepare specific comments for the next meeting. Respectfully submitted, Thomas G. Euson