National Fire Protection Association M E M O R A N D U M. NFPA Technical Committee on Construction and Demolition

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National Fire Protection Association 1 Batterymarch Park, Quincy, MA 02169-7471 Phone: 617-770-3000 Fax: 617-770-0700 www.nfpa.

1 National Fire Protection Association 1 Batterymarch Park, Quincy, MA Phone: Fax: M E M O R A N D U M TO: FROM: NFPA Technical Committee on Construction and Demolition Linda MacKay DATE: August 10, 2011 SUBJECT: NFPA 241 ROP TC FINAL Ballot Results (F2012 Cycle) The Final Results of the NFPA 241 ROP Letter Ballot are as follows: 16 Members Eligible to Vote 4 Not Returned (Haynes, Landman, Notholt, Pasqualone) 12 Affirmative on All 0 Negatives 0 Abstentions There are two criteria necessary to pass ballot [(1) affirmative 2 / 3 vote and (2) simple majority]. (1) The number of affirmative votes needed for the proposal to pass is 8. (16 eligible to vote - 4 not returned - 0 abstentions = = 7.92 (2) In all cases, an affirmative vote of at least a simple majority of the total membership eligible to vote is required. This is the calculation for simple majority: [16 eligible 2 = = (9)] According to the final ballot results, all ballot items received the necessary affirmative votes to pass ballot. Attachment: Final Report

2 241-1 Log #CP1 Review entire document to: 1) Update any extracted material by preparing separate proposals to do so, and 2) review and update references to other organizations documents, by preparing proposal(s) as required. To conform to the NFPA Regulations Governing Committee Projects. Retain the definition of Hot Work as extracted from NFPA 51B. See Proposal (Log #CP8), Proposal (Log #CP9) and Proposal (Log #CP10). The NFPA 51B 2009 edition remains current and its definition of Hot Work meets the needs of NFPA 241. No other material in NFPA 241 is extracted from other NFPA documents. The referenced proposals address the updating of referenced publications from other organizations Log #CP2 Revise definition of Tunnel as follows: An underground structure with a design length over greater than 23 m (75 ft) and a diameter greater than 1800 mm (6 ft) diameter. Editorial clarification Log #CP3 Review definitions and adopt preferred definition (from NFPA Glossary of Terms) as appropriate. Make no further changes to the definitions. One definition is extracted (Hot Work). Most definitions are unique to NFPA 241 (Single-Ply Roofing System, Torch-Applied Roofing System, Thermal Spraying, Thermit Welding, Tunnel). One definition is Preferred (Protected Structure). Definitions of Structure and Underground Structure from NFPA 5000 are not the definitions needed for NFPA 241 the NFPA 241 versions must be retained. The definitions of Qualified Agency from NFPA 54 and NFPA 311 are not the definitions needed for NFPA 241 the NFPA 241 version must be retained. 1

3 241-4 Log #1 James Everitt, Western Regional Fire Code Development Committee Revise text to read as follows: Only safely installed approved heating devices installed in accordance with the manufacturer specifications shall be used in temporary offices and sheds. The term safely installed is not defined and misleading as it could be understood as the way it was installed. The manufactured specifications should be the determining and specific way to describe how the unit should be installed Log #CP4 Revise 7.1 as follows: An overall construction or demolition fire safety program shall be developed. Essential items to be emphasized include the following All of the following items shall be addressed in the fire safety program: (1) Good housekeeping (2) On-site security (3) Fire protection systems (a) Installation For construction operations, installation of new fire protection systems as construction progresses (b) (4) Preservation For demolition operations, preservation of existing fire protection systems during demolition (4) (5) Organization and training of an on-site fire brigade (5) (6) Development of a prefire plan with the local fire department (6) (7) Rapid communication (7) (8) Consideration of special hazards resulting from previous occupancies (8) (9) Protection of existing structures and equipment from exposure fires resulting from construction, alteration, and demolition operations Reformatting done for compliance with Manual of Style and for clarity. 2

4 241-6 Log #CP5 Revise as follows: Where guard service is provided, the guard(s) shall be trained in all of the following: (1) Notification procedures that include calling the fire department and management personnel (2) Knowledge Function and operation of fire protection equipment (3) Familiarization with fire hazards (4) Use of construction elevators, where provided Reformatting done for compliance with Manual of Style. Wording revision done for clarity as one does not "train in knowledge." Log #CP6 Revise as follows: The provision of shall not prohibit occupancy of the lower floors of a building, even where the upper floors are in various stages of construction or protection, provided that both of the following conditions are satisfied: (1) The sprinkler protection of the lower occupied floors is completed and tested in accordance with (2) The sprinkler protection of the upper floors is supplied by entirely separate systems and separate control valves so that the absence or incompleteness of protection in no way impairs the sprinkler protection of the occupied lower floors. Reformatting done for compliance with Manual of Style and for clarity. 3

5 241-8 Log #CP7 Revise as follows: Belt conveyors installed in underground locations, other than belts that carry the load of the belt on a low-friction metal deck without rollers, shall meet all of the following minimum requirements: (1) Conveyor belting shall be approved. (2) Entrances in which belt conveyors are installed shall be kept free of accumulations such as muck, debris, and combustibles. (3) All belt conveyors shall be equipped with an approved slippage switch system designed to shut down the belt when sliding friction develops between the drive pulley(s) and the belt, and both of the following shall apply:. (a) The slippage switch system shall be tested weekly. (b) On each new installation, the slippage switch system shall be tested before the conveyor is used. (4) All conveyor belt systems shall be equipped with approved interlock systems that shut down belt conveyors when any of the following occurs: (a) Any conveyor in the system stops or reduces its normal speed or upon activation of. (b) Any any required fire protection system is activated. (5) Fixed combustible materials such as posts, cribbing, and roof supports shall be protected against frictional ignition by one of the following methods: (a) The material shall be either guarded from contact by the belt using metal. or (b) The material shall be located at a distance of at least ½ the width of the belt from any idler or pulley. (c) (a) An alternate method for minimizing potential frictional ignition is the use of alignment Alignment switches shall be provided at intervals sufficient to prevent the belt from contacting such materials. (6) (b) Guarding, if provided, for machinery in the drive area and at other points along the belt shall be of noncombustible material. (7) (6) New installations of belt conveyors shall utilize a structure that does not provide a deck between the upper and lower strands of the belt. Reformatting done for compliance with Manual of Style and for clarity. 4

6 241-9 Log #CP8 Revise and create a new A (b) as follows: Acetylene, liquefied petroleum gas (LPG), liquefied oxygen (LOX), and methylacetylene propadiene stabilized gas (MPS) shall be permitted to be used underground where both of the following conditions are met: (a) The material is used only for welding, cutting, and hot work. and only if the (b)* The quality of air is within permitted approved limits in accordance with the ACGIH Threshold Limit Values and Biological Exposure Indices for One source of information on air quality is the ACGIH. Delete as follows (and renumber remainder of 2.3 as needed): American Conference of Governmental Industrial Hygienists, 1330 Kemper Meadow Drive, Cincinnati, OH Update B as follows: American Conference of Governmental Industrial Hygienists, 1330 Kemper Meadow Drive, Cincinnati, OH ACGIH for Reformatting done for compliance with Manual of Style and for clarity. The ACGIH publication is only one source of information. Approval of air quality should rest with the AHJ. The ACGIH publication will be mentioned in the annex but its use will no longer be mandated Log #CP9 Revise A.9.3 as follows: For additional information, see the ARMA publication,, and the Factory Mutual Data Sheet 1 33,. Delete B as follows (and renumber remainder of B.1.2 as necessary): Asphalt Roofing Manufacturer s Association, th Street, N.W., Suite 900, Washington, DC , Revise B as follows: FM Global, 1301 Atwood Avenue, P.O. Box 750, Johnston, RI FM Data Sheet 1 33,, 1988 (Rev 2000). The ARMA publication, from 1986, is no longer available. The FM DS 1-33 publication date needed updating. 5

7 Log #CP10 Revise A.11.1 as follows: The following publications should be consulted for additional information on underground operations and related subjects: ACGIH for ANSI/ASSE A10.16, Construction and Demolition 29 CFR 1926 (no further changes) Revise B as follows: American Society of Safety Engineers, 1800 East Oakton Street, Des Plaines, IL American National Standards Institute, 25 West 43rd Street, 4th floor, New York, NY ANSI/ASSE A10.16, Construction and Demolition, (r2001). Updating of referenced publications. 6

AGENDA NFPA Technical Committee on Construction and Demolition Report on Comments (ROC) Teleconference Meeting Wednesday, April 11, 2012

National Fire Protection Association 1 Batterymarch Park, Quincy, MA 02169-7471 Phone: 617-770-3000 Fax: 617-770-0700 www.nfpa.org AGENDA NFPA Technical Committee on Construction and Demolition Report