nfpa 45 -- a96 rop (log #cp5) revise nfpa 45 to state ......nfpa 45 -- a96 rop report of the...

N F P A 45 - - A 9 6 R O P

Report of the Committee on

Chemistry Laboratories

John Fresina, Chair Massachusetts Inst. of Technology, MA

Rep. Campus Safety Assn.

Murrw¢ A. Cappers, Jr., Vice Chair JMlied-Signal Inc., NJ

Rep. Chemical Mfrs. Assn.

Raymond E. Arntson, University of Minnesota, MN William H. Barlen, Cryodyne Technologies - Airgas, CT Anne C. Belanger, Joint Commission on Accreditation of Healthcare Organizations, IL DonaldJ. Bowen, Madison Fire Dept., WI Hal Cohen, Science Applications Int'l. Corp., DE Thomas P. Conlon, M&M Protection Consultants, NJ William A. Cooper, Jr., I?.olfJensen & Assoc., Inc., GA Gregory F. DeLnga, Landis & Gyr Powers, Inc., IL Stephen M. Glover, Johnson & Higgins, MA Robert E. Graham, U.S. Army Environmental Hygiene Agency, MD Ulrich M. Lindner, Earl Walls Assoc., CA John P. McCabe, Nat'l Inst. of Health/Fire Prevention Section, MD Andrew G. Minister, BaweUe Northwest Lab, VA Robert Myers, Amoco Production, GA Rudolph Poblete, Kewaunee Scientific Corp., NC V.J. Siminski, Exxon Research & Engr, NJ Norman V. Steere, Norman V Steere Assoc., Inc., MN Stephen A. Szabo, Cono,zo R&D, OK Laslo Varadi, AT&T Bell Laboratories, NJ Patricia WeggeI-Laane, U.S. Environmental Protection Agency, DC

Alternates

Antal Borsa, Earl Walls Assoc., CA (AIt. to U. M. Lindner)

Michael Glowatz, AT&T Bell Laboratories, NJ (AIt. to L. Varadi)

Edward S. Kruplnski, Marsh & McLennan, Inc., AZ (Alt. to T. P. Conlon)

George August Peterson, U.S. Environmental Hygiene Agency, MD (Alt. to R~ E. Graham)

Nonvoting

Robert F. Hughes, San Diego, CA (Member Emeritus)

Staff Liaison: Martha H. Curtis

This list represents 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.

Committee Scope: This Committee shall bare primary responsibil- ity for documents consistent with NFPA standards, for the prevention of loss of life and damage to property from fire and explosion in chemical laboratories.

The Report of the Technical Committee on Chemistry Laborato- ries is presented for adoption.

This Report was prepared by the Technical Committee on Chemistry Laboratories andproposes for adoption amendments to NFPA 45-1991, Standard on Fire Protection for Laboratories Using Chemicals. NFPA 45-1992 is published in Volume 2 of the 1995 National Fire Codes and in separate pamphlet form.

This Report has been submited to letter ballot of the Technical Committee on Chemistry Laboratories, which consists of 22 voting members. The results of the balloting can be found in the report.

(Log #CP5) 45- 1 - (Entire Document): Accept SUBMITTER: Technical Committee on Chemistry Laboratories RECOMMENDATION: Revise NFPA 45 to state all quantities and measurements in hard metric units with soft English units throughout the standard. SUBSTANTIATION: The Committee decided to state all quantities and measurements in hard metric units with soft English units throughout the standard to be consistent with measurement techniques in accepted laboratory practices. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 21 NOT RETURNED: 1 Glover

COMMENT ON AFFIRMATIVE: SZABO: Revise NFPA 45 to state all quantities and measurements

in hard metric units with soft English units throughout the standard.

(Log #CP13) 45- 2 - (1-1.1): Accept SUBMITTER: Technical Committee on Chemistry Laboratories RECOMMENDATION: Revise the wording of section 1-1.1 includingand adding three new exceptions to read:

1-1.1 This standard shall apply to laboratory buildings, laboratory units, and laboratory work areas whether located above or below grade in which chemicals, as defined, are handled or stored in quantities greater than the minimums specified in dais standard.

Exception No. 1: This standard shall not apply to laboratories with less than one-half gallon (1.9 L) of flammable or combustible liquid riper 100 sq ft (9.3 sq m) and less than 74 standard cubic feet of

ammable gas. Exception No. 2: It does not apply to laboratories that are pilot

plants. Exception No. 3: It does not apply to laboratories that are

primarily manufacturing plants. Exception No. 4: It does not apply to incidental testing facilities. Exception No. 5: It does not apply to physical, electronic,

instrument, laser or similar laboratories that use chemicals only for incidental purposes, such as cleaning.

Exception No. 6: It does not apply to laboratories that work only with radioactive materials.

Note: For information on working with radioactive materials, see NFPA 801, Recommended Practice on Handling Radioactive Materials.

Exception No. 7: It does not apply to laboratories that work only with explosive materials, coveredby NFPA 495, Explosive Materials Code. SUBSTANTIATION: The Committee revision clarifies the scope of the standard with respect to laboratories wherever they are located. The exceptions were modified and supplemented to clarify the scope andapplicability of the standard. COMMrrl'EE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 19 NEGATIVE: 1 ABSTENTION: 1 NOT RETURNED: 1 Glover

EXPLANATION OF NEGATIVE: WEGGEL-LAANE: 1. This exclusion would allow a substantial

number of chemical laboratories to be unregulated. 2. 1.9 L is arbitrary. 3. Exclusion of laboratory types is a more desirable and defensible

approach. EXPLANATION OF ABSTENTION: SZABO: Ballot did not arrive in time to allow proper review.

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N F P A 45 w A 9 6 R O P

(Log #22) 4 5 - 3 - (1-1.1 Exception No. 1): Accept SUBMITTER: J.P. McGabe, National Institutes of Heal th RECOMMENDATION: Delete Exception No. 1. SUBSTANTIATION: This except ion no longer applies as NFPA 99 (Chapter 10 Laboratories) makes n u m e r o u s references to NFPA 45. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: 1 Glover

EXPLANATION OF ABSTENTION: SZABO: See my Explanat ion of Abstent ion on 45-2 (Log #CP13).

(Log #CP 14) 45- 4 - (1-1.2): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: 1. Revise the wording of section 1-1.2 to read:

1-1.2 This s t andard contains requi rements , bu t no t all-inclusive requirements , for hand l ing and storage of chemicals where laboratory-scale operat ions are conducted. 2. Move Append ix i tem for Exception No. 2 to become a note for 1-1.1, Exception No. 6. SUBSTANTIATION: T he Commi t tee revised this section to reflect consistency with the new definit ion of laboratory-scale operations. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CPI 5) 45 -5 - (1-1.3"): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: 1. Add a new section 1-1.3" for Applicability and append ix material. R e n u m b e r existing 1-1.3 as 1-1.4.

1-1.3" Applicability. The provisions o f t h i s d o c u m e n t are considered necessary to provide a reasonable level of protect ion f rom loss of life and property f rom fire and explosion. They reflect si tuations and the state-of-the-art prevalent at the t ime the s tandard was issued.

Unless otherwise noted, it is no t in t ended that the provisions of dais d o c u m e n t be appl ied to facilities, equ ipment , s t ructures or installations which were existing or approved for construct ion or installation prior to the effective date of the documen t , except in those cases where it is de t e rmined by the authori ty having jurisdict ion tha t the existing si tuation involves a distinct hazard to life or property.

A-l- l .3 Existing laboratories us ing chemicals that are not in compliance with this s tandard shou ld be permi t ted to be con t inued in use if they provide protect ion to life and adjoining property tha t is equivalent to that in dais s tandard. SUBSTANTIATION: The Commi t tee added this material to be consistent with the NFPA Manual of Style. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: See my Explanat ion of Abstention on 45-2 (Log #CP13).

(Log #CP16) 45 -6 - (1-2.1): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Revise section 1-2.1 to read:

1-2.1 The purpose of this s tandard is to provide basic requ i rements for the protect ion of life and property t h rough prevention and control of fires and explosions involving the use of chemicals in laboratory-scale operations. SUBSTANTIATION: The Commit tee revision reflects consistency with the new definit ion of laboratory-scale operations. The revision defines the scale of the use of chemicals. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: See my Explanation of Abstention on 45-2 (Log #CP13).

(Log #CP17) 45- 7 - (1-2.2): Accept SUBMITrER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Revise 1-2.2 to read:

1-2.2 This s t andard is des igned to control hazards an d protect personnel f rom the effects of toxic, corrosive, or o ther harmful effects of chemicals they migh t be exposed to as a result of fire or explosion. SUBSTANTIATION: The Commit tee revision clarifies the purpose of the s tandard. The revision a t tempts to focus s tandard on fire hazards of laboratories. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: 1 Clover


(Log #CPI 9) 45- 8 - (1-3.2): Accept SUBMITTER: Technical Commi t tee on Chemistry Laboratories RECOMMENDATION: Revise and r e n u m b e r existing section 1-3.2 to become 1-3.3 to read:

1-3.3 Due to the special na ture of laboratories us ing chemicals, this s tandard modifies and supp lements existing codes and s tandards so as to apply more specifically to buildings or port ions of buildings devoted to laboratory-scale operations. SUBSTANTIATION: The Commit tee revised this section to reflect consistency with scope of the s tandard and the new definit ion of laboratory-scale operations. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 Clover


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N F P A 45 - - A 9 6 R O P

(Log #CP18) 45- 9 - (1-3.2" (New)): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: 1. Add a new section 1-3.2" to read:

1-3.2" NFPA 99, S tandard for Heal th Care Facilities, shall be used for addit ional requ i rements for laboratories in heal th care occupancies.

A-1-3.2 Table on Using NFPA Documen t s for laboratories. The following are some considerat ions in de te rmin ing which d o c u m e n t (NFPA 45 or 99) should be consul ted first when des igning or opera t ing a laboratory.

Table A-1-3.2 Table on Using NFPA Documents for Laboratories

Location of Laboratory Primary Reference

Document 1 Laboratory in a building with 99

inpatient 2 Laboratory in a building with 99

outpatients incapable of serf - preservation

3 Laboratory in a building with 45 outpatients capable of serf - preservauon

4 All other laboratories 45

2. R e n u m b e r existing 1-3.2 as 1-3.3. SUBSTANTIATION: The Commi t tee has added new material for d o c u m e n t coordinat ion and consistency with scope and applicability of the s tandard with respect to NFPA 99, S tandard for Health Care Facilities. CO M I T r E E ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 (;[over


(Log #23) 45 -10 - (1-3.4 (New)): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Heal th RECOMMENDATION: Add a new Section 1-3.4 as follows:

"NFPA 99, S tandard for Health Care Facilities, Chapter 10 Laboratories; has more s t r ingent r equ i r emen t for laboratories covered by this s tandard that are located in heal th care facilities." SUBSTANTIATION: The new text is n e e d e d to clarify the distinction between NFPA 45 and NFPA 99 concern ing the requi rements for laboratories covered by NFPA 45 tha t are located in heal th care facilities. C O M M I T r E E ACTION: Accept in Principle. COMMITrEE STATEMENT: See Commit tee Action on proposal 45-9 (Log #CP18). The Commit tee does no t believe the submi t te r ' s r ecommenda t ion provides the in t ended clarification. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP21 ) 45- 11 - (1-4 Approved): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Add an asterisk to the t e rm and move the Note to become an appendix item. SUBSTANTIATION: Conformance with the NFPA Manual of Style. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP22) 45- 12 - (1-4 Authori ty Having Jurisdiction*): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Add an asterisk to the te rm and move the Note to become and append ix i tem. SUBSTANTIATION: Conformance with the NFPA Manual of Style. COMMITTEE ACTION: Accept. NUMBER OF CO MMITrEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: S e e my Explanation of Abstent ion on 45-2 (Log#CP13) .

(Log #5) 45-13 - (1-4 Clinical Laboratory (New)): Accept in Principle SUBMITTER: Gerald A. Hoeltge, College of Amer ican Pathologists RECOMMENDATION: Add new text:

Clinical Laboratory. A laboratory facility providing diagnostic or therapeut ic pat ient care services. SUBSTANTIATION: Associated proposals use the term. A definit ion is needed if these proposals are accepted. CO MMITrEE ACTION: Accept in Principle.

See Commit tee Action and Commit tee S ta tement on Commit tee Proposal 45-132 (Log #4) A-1-1.3 (flow chart). COMMITTEE STATEMENT: The Commit tee believes that the definit ion provided by the submit ter is too limiting as stated. See proposal 45-132 (Log #4) on A-l-1.3 (flow chart). NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VO TE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: See my Explanation of Abstent ion on 45-2 (Log #CP13).

(Log #CP146) 45- 14- (1-4 Compressed Gas Cylinder): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Add a new definit ion to Section 1-4 for Compressed Gas Cylinder to read:

Compressed Gas Cylinder. Any portable pressure vessel of 100 lb water capacity or less conta in ing a gas or liquid which is des igned for and used at pressures over 30 psig at 70°F (21°C). SUBSTANTIATION: Essential defini t ion for revisions to Chapter 8. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



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N F P A 45 - - A 9 6 R O P

(Log #25) 45- 15- (1-4 Fire Separation (New)): Accept SUBMITTEI~ J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Section 1-4 definit ions by including a definit ion for Fire Separation as follows:

Fire Separation. A horizontal or vertical fire resistance rated assembly of materials having protected openings , and des igned to restrict d ie spread of fire. SUBSTANTIATION: The new text is n e e d e d to remove the footnotes f rom existing Table 3-1 and place t hem in the body of the s tandard and to provide a definit ion tha t is consistent with the model bui lding codes. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #24) 45- 16 - (1-4 Health Care Facilities (New)): Accept SUBMITTEl~ J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Section 1-4 definit ions by including a definit ion for Heal th Care Facilities as follows:

Health Care Facilities, Buildings or port ions of buildings in which medical, dental, psychiatric, nursing, obstetrical, or surgical care are provided, heal th care facilities include, but are not l imited to, hospitals, nurs ing homes , l imited care facilities, clinics, medical and dental offices, and ambula tory care centers, whe ther p e r m a n e n t or movable. SUBSTANTIATION: The definit ion for "Health Care Facilities" is needed based on the te rm being used in several proposals concern ing laboratories covered by NFPA 45 that are located in "health care facilities." COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 Glover


(Log #CP147) 45-17 - (1-4 Inside Storage Room): Accept SUBMITTER: Technical Commi t tee on Chemist ry Laboratories RECOMMENDATION: Revise the definit ion of Inside Storage Room to read:

Inside Storage Room. A storage room that meets the requ i rements of NFPA 30, F lammable and Combust ible Liquids Code which is des igned or protected for the storage or d ispensing of Class I f lammable liquids. SUBSTANTIATION: Consistency between two NFPA documen t s and %2.2.7 requires tha t Class I f lammable liquids be d ispensed in an inside storage room. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP20) 45- 18 - (1-4 Various) : Accept SUBMITTEl~ Technical Commi t tee on Chemist ry Laboratories RECOMMENDATION: 1. Move the following definitions f rom section 6-3 and move to section 1-4 and revise to read:

Auxiliary Air. Supply or supplementa l air delivered near the outside face of a laboratory hood to reduce room air consumpt ion .

Baffle. A panel or panels located at the rear of the hood interior that aid in distr ibuting the flow pat tern of air moving into and th rough the hood.

Biological Safety Cabinet. A special safety enclosure used to bandle and contain biological materials.

Bypass. An airflow-compensating open ing that mainta ins a relatively constant volume exhaus t t h rough a laboratory hood regardless of sash position. It serves to limit the m a x i m u m face velocity as the sash is lowered.

Canopy Hood. A su spended venti lat ing device used only to exhaus t heat, water vapor, odors, and other nonhaza rdous materials. This is no t a laboratory hood and ~enerally is no t effective for exhaus t ing toxic or f lammable materials.

Deflector Vane. An airfoil-shaped vane a long the bot tom of the hood face that directs incoming air across the work surface to the lower baffle opening. The open ing between the work surface and the deflector vane is open even with the sash fully closed.

Face (of hood) The bood open ing or the plane of the inside surface of the sash. This area is u s e d t o calculate the square footage of hood open ing , and face velocity is measured in this plane.

Face Velocity. T h e average rate of flow or velocity of air moving into the laboratory hood ent rance or face, as measured at the plane of the laboratory hood face.

Hood Interior. The volume enclosed by the side, back, and top enclosure panels, the work surface, the access open ing (called the face), the sash or sashes, and the exhaus t p lenum, including the baffle system for airflow distribution.

Laminar Flow Cabinet. A ventilated, partially enclosed cabinet

~ rimarily in t ended to provide fil tered airflow over the work surface y use of laminar airflow methods . Sash. A movable panel or panels set in the hood entrance. (see

Appendix section C-5-1). 2. Revise the following definit ions to read: (a) Revise the definit ion of Hazardous Chemical to read:

Chemical.* A substance with one or more of the following hazard ratings as def ined in NFPA 704, S tandard System for the Identification of Fire Hazards of Materials: Health- 2, 3, or 4; Flammability-2, 3, or 4; Reactivity-2, 3, or 4. (See also Appendix B-2). A-l-4 Chemical. For fire hazard ratings of many chemicals, see

NFPA 49, Hazardous Chemical Data, and NFPA 325, Fire Hazard Properties of F lammable Liquids, Gases and Volatile Solids.

(b) Instructional laboratory unit*. A laboratory un i t used for the

~ urposes o f instruction of six or more persons for four or more ours per day or more than 12 hours per week. Exper iments and tests conduc ted in instructional laboratory units are u n d e r the direct supervision of an instructor. Laboratory units used for graduate or

OSt-graduate research are not to be considered instructional boratory units. (c) Laboratory. A facility where the containers used for reactions,

transfers, and other hand l ing of chemicals are des igned to be easily and safely man ipu la t ed by one person. It is a workplace where chemicals are used or synthesized on a non-product ion basis.

(d) Laboratory Hood*. Avent i la ted enclosure des igned to contain and exhaus t fumes, gases, vapors, mists, and particulate mat ter genera ted within the hood interior. (See A-l-4, "Description of Types of Laboratory Hoods".)

A-I-4 Laboratory Hood. For informat ion on descript ions of types of laboratory hoods and exhaus t ventilation devices, see ANSI Z9.5, Amer ican National S tandard for Laboratory Ventilation.

Conventional Hood. A square post hood without an airfoil directional vane across the bot tom of the hood face, in mos t cases without provision for a bypass. As the sash is lowered in hoods without an air bypass, the face velocity increases rapidly. The square post design and absence of a deflector vane has been known to create turbulence at the hood face.

Square-post hoods create turbulence at the hood face, which can bring fumes f rom the h o o d interior out to the hood face, where they are easily drawn out into the room by the air turbulence caused by a person working at the hood, persons passing the hood, or minor room cross drafts. If hoods are not equ ipped with a by-pass, face velocities migh t become objectionably h igh as the sash is closed and, with sash completely closed, airflow migh t be insufficient to carry vapors away.

(e) Liquid. Any material that has a fluidity greater than that of 300 penetra t ion asphalt wben tested in accordance with ASTM D 5, Test for Penetra t ion for Bi tuminous Materials. When not otherwise identified, the te rm liquid shall mean both f lammable and combustible liquids. See Appendix 13-1..

Bypass Air Hood. A hood having a bypass, protected by a grille, that serves to mainta in a relatively constant volume of airflow regardless of sash position. Cur ren t design r e c o m m e n d s a s t reamlined entry profile with a deflector vane across the bot tom of the hood to direct the airflow across the work surface.

Auxiliary Air Hood. Same as bypass air h o o d with the addition of an auxiliary air bonne t to provide a direct source of makeup air in addit ion to the makeup air f rom the laboratory work area.

Special Purpose Hoods: (a) Radioisotope Hoods. Designed primarily for use with

radiochemicals;

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N F P A 45 ~ A 9 6 R O P

(b) Perchloric Acid Hoods. Designed primarily for use with perchloric acid; and

(c) Walk-in Hoods. Designed primarily for extra head room to accommoda te tall equ ipment .

(d) In t he definit ion foc Reactive Material, revise text in parenthesis to read: (See: Appendix B-2-3.1 for definit ions of Reactivity 2, 3 or 4.)

3. Add the following new definitions: (a) Business Occupanc,/. An occupancy used for the transaction of

business (other t han those covered unde r "Mercantile"), for the keeping of accounts and records, and for similar purposes.

( b ) Educational Laboratory Unit. A laboratory uni[ that is used for educa t iona lpurposes t h rough the twelfth grade by six or more persons for four or more hours per day or more than 12 hours per week.

(c) Educational Occupancy. All bui ldings o rpo r t i ons of buildings used for educat ional purposes t h rough the tweffth grade by six or more persons for four o r m o r e hour s per day or more than 12 hours ~er we-ek. Educational occupancies include: Academies; Kindergartens; Nursery schools; Schools. Educational Occupancies also include day-care facilities of any occupant load. (See NFPA 10t, Life Safety Code® Sections 10-7; 70-8; 11-7, 11-8, 11-9.) Other occupancies associated with educational institutions shall be in accordance with tl{e appropriate parts of the NFPA 10,1 Life Safety Code®. In cases where instruction is incidental to some other occupancy, the section of NFPA 101 Life Safety Code® governing such other occupancy shall apply.

(d) Fire Separation. A horfzontal or vertical fire resistance rated assembly of materials having protected openings , and des igned to restrict the spread of fire.

(e) Health Care Occupancy. An occupancy that is used for purposes such as medical or o ther t r ea tment or care of persons suffering f rom physical or mental illness, disease, or infirmity;, and for the care of infants, convalescents, or inf irm aged persons. Health care occupancies provide sleeping facilities for four or more occupants and are occupied by persons wqlo are mostly incapable of self-preservation because of age, physical or mental disability, or beca-use of security measures h o t unde r the occupant ' s control.

(f) Industrial Occupancy. Factories making products of all kinds and propert ies devoted to operat ions such as processing, assembling, mixing, packagins~, f inishing or decorat ing, and repairing. (See NFPA 101-1994, Life Safety Code® Chapter 28 for more information) .

Add an asterisk to the definit ion for Laboratory Hood. I ~ Laboratory-scale. Work with chemicals in which the containers

used for reactions, transfers, and o ther hand l ing of chemicals are des igned to be easily and safely manipu la ted by one person.

(i) Add an asterisk to the definit ion for Una t t ended Laboratory OAP_eration and add the fo l lowingappendix item:

1-4 Una t t ended Laboratory Operat ion. Absence for lunch, t e lephone calls, etc., without coverage by a knowledgeable person constitutes an una t t ended laboratory operation.

4. Delete the following definitions: (a) Max imum AllowaBle Working Pressure* and its appendix item. (b) Potentially Explosive Reaction

SUBSTANTIATION: 1. The Commit tee revision corn.plies with NFPA Manual of Style to have definit ions only appear m one chapter of a document -

2. The Commit tee revisions clarify the application of tlle s tandard. 3. The Commit tee has added definit ions for consistency with NFPA

101 and terminology used in the s tandard. 4. The definitions deleted were no longer needed.

COMMITTEE ACTION: Accept. NUMBER OF COMMIT'lEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTF~'. ACTION:


COMMENT ON AFFIRMATIVE: WEGGEL-LAANE: Add other appropria te references: Industrial

Ventilation Manual, ACG.IH; Laboratory Fume Hoods R e c o m m e n d e d Practices, Laboratory Hood Scientific Equ ipment and Furni ture Asso, SEFA 1, 1992; and ASHRAE Standard, ANSI/ ASHRAE 110-1985, An Amer ican National Standard. EXPLANATION OF ABSTENTION:

SZABO: See my Explmaation of Abstention on 45-2 (Log #CP13).

(Log #20) 45- 19 - (Chapter 2): Accept in Principle SUBMITTER: N o r m a n V. Steere, Norman V. Steere & Associates, Inc. RECOMMENDATION: a d d a new section to cover laboratory units located partially or wholly below grade.

Proposed wording to read: "Laboratory units may be located wholly or partially below grade.

Allowable quanti t ies in laboratory units located with more than haft

the floor-to-ceiling he igh t above grade (formerly referred to as basements) shall be l imited to the quanti t ies allowed for Class B laboratory units. Allowable quanti t ies in labora toryuni ts located with more than half the floor-to-ceiling he igh t below grade shall be limited to the quanti t ies allowed for Class C laboratory units." SUBSTANTIATION: According to a strict interpretat ion of the most recent edit ion of NFPA 30, no f lammable or combustible liquids are allowed in any occupancy below grade.

There are many laboratories tha t have laboratory units partially or wholly below grade and it is no t appropria te to prohibi t such laboratories unless there has been d o c u m e n t e d fire experience that would justify such prohibi t ion. COMMITrEE ACTION: Accept in Principle.

Revise the existing wording of 1-1.1 to read: 1-1.1 This s tandard shall apply to laboratory buildings, laboratory

units, and laboratory work areas whether located above or below grade in which chemicals, as defined, are handled or stored in

t~)antities greater than the m i n i m u m s specified in this s tandard. MMITTEE STATEMENT: The Commi t tee agrees to clarify the

scope to address the acceptability of laboratories below grade. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP24) 45- 20 - (2-1): Accept SUBMrrTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Revise the first sentence to read:

2-1 This chapter classifies laboratory units based on the a m o u n t of f lammable and combustible liquids or f lammable gases conta ined within the unit , both in storage and in use. SUBSTANTIATION: Clarification of the application of the s tandard. COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON C O M M I T r E E ACTION:



(Log #7) 45- 21 - (2-2): Accept in Principle SUBMI .T,I'ER: Gera ld /k Hoeltge, College of American Pathologists RECOMMENDATION: Revise as follows:

SUBSTANTIATION: This is one o f a set of proposals to create a eCific laboratory un i t class for clinical laboratories.

MMITTEE ACTION: Accept in Principle. See Commit tee Action and Commi t tee Sta tement on Proposal

45-24 (Log #26) to revise Table 2-2 to become Table 2-2(a) and Table 2-2(b). COMMITrEE STATEMENT: The Commit tee Action on Proposal 45-24 (Log #26) to revise Table 2-2 to become Table 2-2(a) an d Table 2-2(b) satisfies the in tent of the submitter. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #18) 45 -22 - (Table 2-2): Reject SUBMITTER: Norman V. Steere, N o r m a n V. Steere & Associates, Inc. RECOMMENDATION: Revise Table 2-2 to reduce quamit ies by fifty percent , to half of p resen t quantit ies.

335

N F P A 45 - - A 9 6 R O P

Lab Unit Class

Table 2-2 Maximum Quantifies of Flammable and Combustible Liquids in Lab Units Outside of Storage Rooms

Liquid Class Excluding Quantities in Cab. or Cans Max/lO0 sq ft Max quan/lab unit

Unsprinklered Sprinklered

Including Quantifies in Cab or Cans Max/lO0 sq ft Max quan/lab unit

Unsprinklered Spfinklered

I 5 gallons 150 gallons 300 gallons 10 gallons 300 gallons 600 gallons I, II &IIIA 10 gallons 200 gallons 400 gallons 20 gallons 400 gallons 800 gallons

I 2.5 gallons 75 gallons 150 gallons 5 gallons 150 gallons 600 gallons I, II &IIIA 5 gallons 100 gallons 200 gallons 10 gallons 200 gallons 400 gallons

I 1 gallon 38 gallons 75 gallons 2 gallons 75 gallons 150 gallons

I, II, &IIIA 2 gallons 50 gallons 100 gallons 4 gallons 100 gallons 200 gallons

SUBSTANTIATION: Quantities in 1991 and previous editions exceed quantities needed in almost all well-managed laboratories, and were not based on usually-required quantities. Reductions in maximum quantifies will provide increased flreworthiness of laboratory units. Furthermore, when NFPA 45 was first adopted there was no documentat ion from fire tests that sprinkler densities specified in Section 4-2 for the different classes of laboratory units would control the concentra ted fire loads permit ted in Table 2-2. COMMITTEE ACTION: Reject. COMMITTEE STATEMENT: The Committee does not believe that the submitter provided sufficient technical substantiation to justify the reduction in quantities of flammable and combustible liquids used in laboratories that was being proposed. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE O N COMMITTEE ACTION:



(Log #26) 45- 24- (Table 2-2): Accept SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Table 2-2 by creating Table 2-2(a) and Table 2-2(b) and include a Class D laboratory unit in each table as shown on the following page: SUBSTANTIATION: Existing Table 2-2 needs to be divided into two separate tables (one for sprinklered laboratory units and a separate table for nonsprinklered laboratory units) to clarify the different requirements and, in general, make the table easy to read and interpret. In addition, the tables need to include a Class D laboratory uni t with maximum quantity of f lammable and combustible liquids in accordance with NFPA 99 (Chapter l0 laboratories). COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITrEE ACTION:



(Log #19) 45-23- (Table 2-2): Reject SUBMITTER: Norman V. Steere, Norman V. Steere & Associates, Inc. RECOMMENDATION: Revise Table 2-2 to reduce quantities by eighty percent, to one fifth of present quantities.

Table 2-2 Maximum Quantifies of Flanunable and Combustible Liquids in Lab Units Outside of Storage Rooms

Lab Uni t Class

Liquid Class Excluding ~uantides in Cab. or Cans Max/100 sq ft Max quan/lab unit


Including Quantifies in Cab or Cans Max/lO0 sq ft Max quan/lab unit


A I 2 gallons 60 gallons 120 gallons 4 gallons 120 gallons 240 gallons I, II &IIIA 4 gallons 80 gallons 160 gallons 8 gallons 160 gallons 320 gallons

B I 1 gallons 30 gallons 60 gallons 2 gallons 60 gallons 120 gallons I, I1 & I l ia 2 gallons 40 gallons 80 gallons 4 gallons 80 gallons 160 gallons

C I 0.4 gallon 15 gallons 30 gallons 0.8 gallons 30 gallons 60 gallons

l, II, &I I i a 0.8 gallons 20 gallons 40 gallons 1.6 gallons 40 gallons 80 gallons

SUBSTANTIATION: Qu_antities in 1991 and previous editions exceed quantities needed in almost all well-managed laboratories, and were not based on usually-required quantities. Reductions in maximum quantities will provideincreased fireworthiness of laboratory units. Furthermore, when NFPA 45 was first adopted there was no documenta t ion f rom fire tests that sprinkler densities specified in Section 4-2 for the different classes of laboratory units would control the concentra ted fire loads permit ted in Table 2-2. COMMITTEE ACTION: Reject. COMMrVrEE STATEMENT: The Committee does not believe that the submitter provided sufficient technical substantiation to justify the reduction in quantities of flammable and combustible liquids used in laboratorfes that was being proposed. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP25) 45- 25 - (Table 2-2 Notes) : Accept SUBMITTER: Technical Committee on Chemistry Laboratories RECOMMENDATION: Revise the notes to Table 2-2 as follows.

1. For maximum allowable quantity, see 2-2.4. 2. For maximum container sizes, see Table 7-2. 3. For maximum quantities of Class I liquids, see 2-2.5 4. For non-water extinguishing systems, see 2-2.6 5. See description of Flammable Liquid Storage Room in Section

4 4 of NFPA 30, Flammable and Combustible Liquids, Code. See description of Storage Cabinet in Section 4-3 of NFPA 30.

6. This category includes Class I f lammable liquids and liquefied flammable gases. SUBSTANTIATION: The Committee revised the notes to conform with the NFPA Manual of Style upgrading requirements in footnotes to full requirements. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22

336

N F P A 45 m A 9 6 R O P

Table 2-2(a) Max imum Quantif ies o f Flammable and Combustible Liquids in Sprinklered l abo ra to ry Units Outside of Flammable Liquid Storage Rooms

Laboratory Unit Fire

Hazard Class

Flammable or Combustible Liquids Class

Excluding Quanti t ies in Storage Cabinets or Safety Cans

Maximum Quantity per 100 Square Feet of

Laboratory Unit Maximum Quant i ty per Laboratory Unit

Including Quanti t ies in Storage Cabinets or Safety Cans


Laboratory Unit Maximum Quantity per Laboratory Unit

A I 10 Gallons 600 Gallons 20 Gallons 1200 Gallons I, II a nd IliA 20 Gallons 800 Gallons 40 Gallons 1600 Gallons

B I 5 Gallons 300 Gallons 10 Gallons 600 Gallons I, II a nd IIIA 10 Gallons 400 Gallons 20 Gallons 800 Gallons

C 2 Gallons 4 Gallons

I I, II and I l i a

150 Gallons 200 Gallons


D I I, II and I l i a

4 Gallons 8 Gallons 2 Gallons 2 Gallons

1 Gallons 1 Gallons


For SI Units: l g a l - 3 . 7 8 5 L ; 1 0 0 s q f t = 9 . 3 m 2

Table 2-2(b) Maximum Quantities of Flammable and Combustible Liquids in Nonsprinklered Laboratory Units Outside of Flammable Liquid Storage Rooms

Laboratory Unit Fire

Hazard Class

Fhunmable or Combustible Liquids Class

Excluding Quanti t ies in Storage Cabinets or Safety Cans


Laboratory Unit Maximum Quantity per Laboratory Unit

Including Quantif ies in Storage Cabinets or Safety Cans


Laboratory Unit Maximum Quanti ty per Laboratory Unit

A I l0 Gallons 300 Gallons 20 Gallons 600 Gallons I, II a nd IIIA 20 Gallons 400 Gallons 40 Gallons 800 Gallons

B I I, II and IIIA


150 Gallons 200 Gallons "

75 Gallons 150 Gallons 37 Gallons $7 Gallons

C I 2 Gallons I, II and IIIA 4 Gallons

D I I, II and I l i a

10 Gallons 20Gal lons 4 Gallons 8 Gallons 2 Gallons 2Gal lons

1 Gallons 1 Gallons


75Gal lons 75Gal lons

For SI Units: 1 gal - 3.785 L; 100 sq ft = 9.3 m 2

VOTE ~ N COMMITTEE ACTION: AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 (;lover

EXPLANATION OF ABSTENTION: SZABO: See my Explartation of Abstention on 45-2 (Log #CP13).

(Log #6) 45- 26 - (2-2.1): Accept in Principle SUBMITTER: Gerald A Hoeltge, College of American Pathologists RECOMMENDATION: Revise text as follows:

"Laboratory units shall be classified as Class A, B, C, or D . . . the least a m o u n t s in Class D laboratory units." ( remainder of test unchanged ) SUBSTANTIATION: This is one of a set of proposals to create a specific laboratory un i t class for clinical laboratories. A separate class is n e e d e d because the amoun t s of f lammable and combustible liquids permi t ted in the cur ren t "low hazard" Class C laboratory is far in excess of that requi red for clinical work. The laboratory operat ions and storage requi rements are the same for clinical laboratories whe the r or no t they are heal th care occupancies. Chapter 10 of NFPA 99 shou ld reference NFPA 45 liberally. This is the best way to achieve equivalency between the two standards. The proposed Class D restrictions reflect the cur rent limit imposed on clinical laboratories by NFPA 99. C O M M I T r E E A C T I O N : Accept in Principle. C O M M I T r E E STATEMENT: See Commit tee Action and Commit tee S ta tement on Proposal 45-24 (Log #26).

NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #27) 45-27 - (2-2.1): Accept in Principle SUBMITrER: J.P. McC, abe, National Institutes of Health RECOMMENDATION: Revise Section 2-2.1 as follows:

"Laboratory units shall be classified as Class A (High Hazard), Class B (Moderate Hazard), Class C (Low Hazard) or Class D (Health Care Facilities), according to the m a x i m u m quanti t ies of f lammable and combust ible liquids permi t ted as specified in Table 2-2(a) an d Table 2-2(b). (See Appendix D for fur ther informat ion on laboratory u nit fir e hazard classifi carlon.)" SUBSTANTIATION: A separate laboratory uni t fire hazard classification is needed for the laboratories covered by NFPA 45 that are located in heal th care facilities. NFPA 99, Standard for Health Care Facilities, Chapter 10 Laboratories limits the m a x i m u m qbuantities of f lammable and combust ible liquids permit ted at levels

elow those specified for Class C (Low Hazard) laboratory units. C O M M I T r E E ACTION: Accept in Principle.

1. Revise Section 2-2.1 to read: "Laboratory uni ts shall be classified as (High Fire Hazard) Class A,

(Moderate Fire Hazard) Class B, (Low Fire Hazard) Class C, or (Minimal Fire Hazard) Class D, according to the quanti t ies of

337

N F P A 4 5 1 A 9 6 R O P

f lammable and combustible liquids specified in Table 2-2(a) and Table 2-2(b). (See A p p e n d i x D for fur ther informat ion on laboratory uni t fire hazard classification.)"

2. Add an asterisk and Appendix text for A-2-2.1 to read: A-2-2.1 The largest amotirits of f lammable and combust ible liquids

are permi t ted in Class A laboratory units and the least amoun t s m Class D laboratory uni ts COMMITTEE STATEMENT: The Commit tee revision incorporates the submit ter ' s intenL NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #28) 45- 28 -(2-2.1.1 (New)): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.1.1 as follows:

"Class A (High Hazard). High hazard laboratory units are units where the total a m o u n t of f lammable and combust ible liquids p resen t both in storage mad in use outside of approved f lammable Iiquid storage rooms is over and above those expected and classified as modera te hazard laboratory units." SUBSTANTIATION: The new text is needed to define a Class A (High Hazard) laboratory unit. COMMITTEE ACTION: Accept in Principle.

Add a new Section 2-2.1.1 to read: High Fire Hazard. The total a m o u n t of f lammable and

combustible liquids outside of f lammable liquid storage rooms shall no t exceed the quanti t ies presented for Class A laboratory uni ts in Tables 2-2(a) or 2-2(b). COMMITTEE STATEMENT: The Commi t tee agreed with the Submitter 's in ten t and revised the proposal t o b e consis tent with the Commit tee Action on Proposal 45-27 (Log#27) . NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: See my Explanation of Abstention on 45-2 (Log #CPI 3).

(Log #29) 45- 29 - (2-2.1.2 (New)): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.1.2 as follows:

"Class B (Moderate Hazard). Moderate laazard laboratory units are units where d~e total a m o u n t of f lammable and combust ible liquids present both in storage and in use outside of approved f lammable liquid storage rooms is in greater a m o u n t than expected unde r low hazard laboratory units." SUBSTANTIATION: The new text is needed to def ine a Class B (Moderate Hazard) laboratory unit. COMMITTEE ACTION: Accept in Principle.

Add a new Section 2-2.1.2 to read: Moderate Fire Hazard. The total a m o u n t of f lammable and

combust ible liquids outside of f lammable liquid storage rooms shall no t exceed d~e quanti t ies presented for Class B laboratory units in Tables 2-2(a) or 2-2(b). COMMITTEE STATEMENT: The Commit tee revisions have incorporated the submit ter ' s in tent consistently with the Commit tee Action on Proposal 45-27 (Log #27). NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #30) 45- 30 - (2-2.1.3 (New)): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.1.3 as follows:

"Class C (Low Hazard). Low hazard laboratory units are units where the total a m o u n t of f lammable and combust ible liquids present boda in storage and in use outside of approved f lammable Iiquid storage rooms is of small quantity. However, in greater a m o u n t than the m a x i m u m quanti ty permi t ted for Class D (Minimal Fire Hazard) laboratories covered by dais s tandard f l a t are located in heal th care facilities.

338

SUBSTANTIATION: The new text is n e e d e d to define a Class C Low Hazard) labora tory unit.

MMITTEE ACTION: Accept in Principle. Add a new Section 2-2.1.3 to read: Low Fire Hazard. The total a m o u n t of f lammable and combustible

liquids outside of f lammable liquid storage rooms shall no t exceed the quanti t ies p resen ted for Class C laboratory units in Tables 2-2(a) or 2-2(b). COMMITTEE STATEMENT: The Commit tee revisions incorporate the submit ter ' s in tent consistently with the Commit tee Action on Proposal 45-27 (Log #27). NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #31 ) 45- 31 - (2-2.1.4 (New)): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.1.4 as follows:

"Class D (Health Care Facilities). Laboratory units covered by this s tandard that are located in heal th care facilities. The total working supply of f lammable and combustible liquids outside of f lammable l iq.mdstorage rooms. . is l imited by .established laboratory prractices to a minor quanu ty m accordance wath NFPA 99, Standard lor Health Care Facilities, Chapter 10 Laboratories." SUBSTANTIATION: The new text is n e e d e d to define a Class D

Health Care Facil i t ies)laboratory unit. MMITTEEACTION: Accept in Principle.

Add a new Section 2-2.1.4 to read: Minimal Fire Hazard. The total a m o u n t of f lammable an d

combustible liquids outside of f lammable liquid storage rooms shall no t exceed the quanti t ies presented for Class D laboratory units in Tables 2-2(a) or 2-2(b). See 1-1.1 Exception No. 1. COMMITTEE STATEMENT: The Commit tee revisions incorporate the submit ter ' s in ten t consistently with the Commit tee Action on Proposal 45-27(Log #27). NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP33) 45- 32- (2-2.1.4.1 (New)): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Add a new section 2-2.1.4.1 as follows:

2-2.1.4.1 Quanti t ies of f lammable and combust ible liquids including liquids in laboratory units located in heal th care '~. occupancies shall no t exceed those specified for a Class D laboratory unit. SUBSTANTIATION: The Commit tee has added a r equ i rement to address clinical laboratory coordinat ion with NFPA 99. Standard for Health Care Facilities. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITrEE ACTION:



(Log #CP34) 45- 33 - (2-2.1.5 (New)): Accept SUBMITTEI~ Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Add a new section 2-2.1.5 as follows:

2-2.1.5 For the purposes of this section and Table 2-2(a) an d 2-2 (b), l iquefied f a m m a b l e gases shall be treated as if they were Class I f lammable liquids. SUBSTANTIATION: The Commit tee has added a provision to address requ i rements for liquefied f lammable gases in terms of Class I f lammable li_quids. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE O N COMMITTEE ACTION:


N F P A 45 - - A 9 6 R O P


(Log #32) 45- 34 - (2-2.2): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Heal th RECOMMENDATION: Revise Section 2-2.2 as follows:

"Class A laboratory uni t . shall no t be used as instructional laboratoryuni ts . M a x i m u m quanti t ies of f lammable and combust ible liquids in Class B and Class C instructional laboratory units shall be 50 percen t of those listed in Table 2-2(a) and Table 2-2(b) ." SUBSTANTIATION: The revised text is needed to reflect two tables in lieu of one (one for sprink]ered laboratory units and a separate table for nonsprinkleredlaboratory units). COMMITEEE ACTION: Accept in Principle. COMMITI'EE STATEMENT: See Commit tee Action on Proposal 45-35 (Log #CP35). NUMBER OF COMMIT'FEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: 1 C, lover


(Log #CP35) 45- 35 - (2-2.2): Accept SUBMITTER: Technic,~ Commit tee on Chemist ry Laboratories RECOMMENDATION: Revise section 2-2.2 and add new subsect ions to read:

2-2.2 Instructional Laboratory Units. 2-2.2.1 Exper iments and tests conduc ted in instructional laboratory

units shall be u n d e r the direct supervision of an instructor. 2-2.2.2 Laboratory units used for instructional purposes shall be

limited to 50 percen t o f the f lammable and combustible liquids quanti ty for Class B laboratory units in Tables 2-2 (a) and 2-2(b).

2-2.2.3 Laboratory units used for the inslxuction of s tudents th rougb the twelfth grade shall be limited to 50 percent of the f lammable and combustible liquids quanti ty for Class C laboratory units in Tables 2-2(a) and 2-2(b). SUBSTANTIATION: Upgrades footnotes and clarification of requi rements in the d o c u m e n t of what is mean t by instructional laboratory unit. COMMYI'TEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEF ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 (;lover


(Log #33) 45- 30 - (2-2.4 (New)): Accept SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.4 (and r e n u m b e r existing sections 2-2.4 and 2-2.5 accordingly) as follows:

"Regardless of the m a x i m u m allowable quanti ty of f lammable and combust ible liquids per laboratory uni t specified in Table 2-2(a) and Table 2-2(b), the m a x i m u m a m o u n t in a laboratory un i t shall no t exceed an a m o u n t calculated by us ing the specified m a x i m u m quanti ty per 100 sq ft (9.3 m2) of laboratory unit. The area of offices, res t rooms and o ther cont iguous areas of a laboratory un i t shall be included when mak ing this calculation." SUBSTANTIATION: The new text is needed to remove the footnotes f rom existing Table 2-2 and place t hem in the body of the s tandard and to reflect two tables in lieu of one (one for spr inklered laboratory uni ts and a separate table for nonspr ink le red laboratory units). COMMI'FrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 ( ' lover


(Log #34) 45- 37 - (2-2.5 (New)): Accept SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.5 (and r e n u m b e r existing sections 2-2.4 mad 2-2.5 accordingly) as follows:

"The m a x i m u m quanti t ies of Class I liquids when combined with Class II and Class Ill A liquids shall not exceed the m a x i m u m quanti t ies specified in Table 2-2(a) or Table 2-2(b) for Class I liquids alone." SUBSTANTIATION: The new text is n e e d e d to remove the footnotes f rom existing Table 2-2 and place t hem in the body of the s tandard and to reflect two tables in lieu of one (one for spr inklered laboratory units and a separate table for nonspr ink lered laboratory units). COMMITI'EE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #35) 45- 38 - (2-2.6 (New)): Accept SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 2-2.6 (and r e n u m b e r existing sections 2-2.4 and 2-2.5 accordingly) as follows:

"Table 2-2(a) pertains to laboratory units protected by automatic sprinkler systems in accordance with NFPA 13, S tandard for the Installation of Sprinkler Systems, where water will create a serious fire or personnel hazard, a suitable nonwater automatic ext inguishing system is an acceptable substi tute for sprinklers." SUBSTANTIATION: The new text is n e e d e d to remove the footnotes f rom existing Table 2-2 and place t hem in the body of the s tandard and to reflect two tables in lieu of one (one for spr inklered laboratory units and a separate table for nonspr ink le red laboratory units) . COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP41) 45- 39 - (2-3.1 (c) Note): Accept SUBMITTER: Technical Commi t tee on Chemist ry Laboratories RECOMMENDATION: Revise 2-3.1 (c) Note to read:

(c) Highly exothermic reactions such as polymerizations, oxidations, nitrations, peroxidations, hydrogenat ions, or organo- metallic reactions.

Note: For sources of data on chemical reactivity hazard and hazardous chemical reactions, see the following NFPA documents :

NFPA 49, Hazardous Chemicals Data; NFPA 325, Fire Hazard Properties of Flammable Liquids, Gases and

Solids; NFPA 491, Manual of Hazardous Chemical Reactions

SUBSTANTIATION: Add references to Commit tee requirement . COMMITI'EE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #8) 45 -40 - (Table 3-1): Accept in Principle SUBMITTERz Gerald A. Hoeltge, College of American Pathologists RECOMMENDATION: Define the requi rements for Class D laboratories to be equivalent to Class C units, i.e., label the last line of the table "C a n d D . " SUBSTANTIATION: This is one of a set of proposals to create a spec i fc laboratory un i t class for clinical laboratories. COMMITTEE ACTION: Accept in Principle. COMMITI'EE STATEMENT: See Commit tee Action and Commit tee on Proposal 45-24 (Log #26).

339

N F P A 4 5 - - A 9 6 R O P

NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 V O T E O N COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: l Clover

EXPLANATION OF ABSTENTION: SZABO: See my Explanat ion of Abstention on 45-2 (Log#CP13) .

(Log #36) 45- 41 - (Table 3-1): Accept SUBMITTER: J.P. McCabe, National Institutes of Heal th RECOMMENDATION: Revise Table 3-1 by creat ing Tables 3-1 (a) and Table 3-1 (b) and include a Class D laboratory un i t in each table as follows:

Table 3- I (a) Construction and Fire Protection Requirements for Sprlnldered Laboratory Units

(See also A-3-1 and B-3.)

LaboratoryUnit FweHazardClnss

Area of Laboratory Unit

Square Feet

Underl000 1001--2000 2001--5000

5001--10,000 10,001 or more Under 20,000

20,000 or more Under 10,000

10,000 or more

Under 10,000 10,000 or more

Sprinidered laboratory Units

Any Construction Type

Ftre Separation from Non- laboratory

Areas

1 Hour 1 Hour 1 Hour 1 Hour XXXX

NC; LC; 1/2 C XXXXXXXXX NC; LC:, 1/2 C NQ LQ 1/2 C

NC; LC4 1/2 C NC; LC; 1/2 C

Fire Separation from Laboratory Units of Equal or

Lower Hazard Classification

NC~ L~ NQ LC NC; LC NC; LC

XXXXX NC; LC

XXXXX NC; LG; 1/2 Q EC

NC; 112

NQ LC; 1/2 Q EC NC; LC; 1/2 Q EC

SUBSTANTIATION: Existing Table 3-1 needs to be divided into two separate tables (one for spr inklered laboratory units and a separate table for nonspr ink le red laboratory units) to clarify the different requi rements and, in general, make the tables easy to read and interpret . In addition, the tables need to include a Class D laboratory uni t with requi rements in accordance with NFPA 101, Life Safety Code. COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 V O T E O N COMMITTEE ACTION:



(Log #37) 45- 42 - (3-1.3): Accept SUBMITTER: J.P. McCabe, National Institutes of Heal th RECOMMENDATION: Revise Section 3-1.3 as follows:

"Laboratory units shall be separated from nonlabora tory areas by construction equal to or greater than the fire resistance requi rements specified in Table 3-1 (a) and Table 3-1 (b)." SUBSTANTIATION: The revised text is needed to reflect two tables in lieu of one (one for spr inklered laboratory units and a separate table for nonspr ink le red labora to ry units). C O M M I T r E E ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE T O VOTE: 22 V O T E O N COMMITTEE ACTION:



NC = Noncombustible Construction

LC =Limited Combustible Construction

1/2 C = 1/2 hour Combustible Construction

EC = Existing Combustible Construction

ForSIUnits: lsqft=0.093m 2

Laboratory Unit Fire Hazard

Class

Table 3-1(b) Construction and Fire Protection Requirements for Nonsprinklered Laboratory Units

(See also A-3-1 and B-3.)

Area of Laboratory Unit Square

Feet

Nonsprinidered Laboratory Units

Construction Types I a n d H

Under 1000 1001 - - 2000 2001 - - 5000

5001 - - 10,000 10t001 or more Under 20,000

20t000 or more Under 10,000

10,000 or more Under 10,000

10~000 or more

Fire Separation

from Laboratory

Units of Equal or Lower Hazard

Classification

1 Hour 1 Hour 1 Hour

Fire Separation from Non - laboratory

Areas

1 Hour 1 Hour

2 Hours XXXXXXX X.XXXXXX

1 Hour XXXXXXX

1 Hour 1 Hour 1 Hour 1 Hour

NC = Noncombustible Construction

LC = Limited Combustible Construction

1/2 C-1/2 hour Combustible Construcfon

XXXXXXX XXXXXXX

NC; LC XXXXXXX

NC; LC; 1/2 C NC; LC NC; LC NC; LC

Construction Types IIl, IV, and V

F~e frSeparation

om Non - laboratory

Areas

2 Hours XXXXXXX XXXXXXX XXXXXXX XXXXXXX

1 Hour XXXXXXX

1 Hour 1 Hour 1 Hour 1 Hour

Fire Separation

from Laboratory

Units of Equal or Lower Hazard

Classification.

1 Hour XXXXXXX XXXXXXX XXXXXXX

1 Hour XXXXXXX

NC; LC; 1/2 C 1 Hour NC; LC 1 Hour

For SI Units: 1 sq fl = 0.093 m 2

340

NFPA 45 - - A96 R O P

(Log #ss) 45-43- (3-1.4): Accept S ~ J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Section 3-1.4 as follows:

"Laboratory units shall be separated from other laboratory units of equal or lower hazard by construction equal to O r greater than the fire resistance requirements specified inTable ~-1 (a) and Table 3-1(b). ~

SUgSTANTIATION: The revised text is needed to reflect two tables in lieu of one (one for sprinklered laboratory units and a separate table for nonsprinklered laboratory units). COMMITTEE ACTION: Accept. NUMBER OF C~OMMITrEE MEMBERS ELIGIBLE TO V O T ~ 22 VOTE ON COMMITYEE ACTION:


EXPLANATION OF ~ O N : SZABO: See my Explanation of Abstention on 45-2 (Log #CP13).

(Log #so) 45- 44 - (3-1.5): Accept SUBMrlWER: J.P. McCabe, National Institutes of HeaJth RECOMMENDATION: Revise Section 3-1.5 as follov~i

~Laboratory units shall be separated from other laboratory units of a higher hazard class by construction equal to or greater than the fire resistance requirements specified in Table 3-I(a) and Table 3-I (b)." SUBSTANTIATION: The revised text is needed to reflect two tables in lieu of one (one for sprinklered laboratory units and a separate table for nonsprlnklered laboratory units). COMMITrF~ ACTION: Accept. N U I ~ E R OF COMMITTEE M E M B ~ ELIGIBLE TO VOTE: 22 VOTE ON COMMI'FFEE AG'rION:

AFFIRMATIVE: 20 ABSTENTION: I N O T ~ : 1 Clover


(Log #42) 45- 45 , (3-1.6): Accept S U B M I T I g ~ J.p. McCabe, National Inmimtes of Health RECOMMENDATION: Revise existing Section 3-1.6 and renumber as a~aew section 3-1.8 as follows:

"Penetrations through fire-rated floor/ceiling and wall assemblies by pipes, conduits, bus ducts, cables, wires, air ducts, pneumatic tubes and ducts and similar building service equipment ,sh~! be protected in accordance with NTPA 101, Life Safety Code. SU]g.qrANTIATION: The revised text is needed to clarify the type ofl?enetrations through fire-rated floor/ceiling and wzll assemb/ies typlcallyfound in laboratory buildings and to specify the proper NFPA reference on how to protect these fire barrier penetrationL COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO V O T ~ 22 VOTE ON COMMITrEE ACTION:

AFFIRMATIVE:- 20 ABSTENTION: 1 NOT RETURNED: 1 Clover


(Log #4o) 45-46- (3-1.6 (New)): Accept S U B M I T I F ~ J.P. McCabe, National Institutes of Health RECObfl~IF.NDATION: Add a newSection 3-1.0 (and renumber existing section 3-1.6 as a new section 3-1.8) as follow~

"Rega~diess of the construction and fire protection requirements for laboratory units specified in Table 3-1 (a) or Table 3-1 (b), laboratory units in educational occupancies shall be separated from noniaboratory areas by 1 hour construction. ~ SUBSTANTIATION: The new text is needed to remove the footnotes from existing Table 3-1 and place them in the body of the standard and to reflect two tables in lieu of one (one for sprinldered laboratory units and a separate table for n0nsprlnklered laboratory units). COMMITTEE ACTION: Accept. NUMBER OF COMMITrEE MEMBERS ELIGIBLE TO VOTE: 22

VOTE ON C O M M r I ' I ~ ACTION: AFFIRMATIVE: 20 ABSTENTION: 1 N O T ~ : 1 Clover

EXPLANATION OF ABSTENTION: SZABO: See my Explanation of Al3stention on 45-2 (Log#CP13).

(Log #41 ) 45-47- (3-1.7 (New)): Accept SUBMITIFAt: J.p. McCabe, National Ins~tutes of Health RECOMMENDATION: Add a new Section 3-1.7 (and renumber existing section 3-1.7 as a new section 3-t.9) as follows:

"Table 3-1 (a) pertains to laboratory units protected by automatic sprinkler systems in accordance with NFPA 13, Standard for the Installation of Sprinkler Systems. Where water will create a serious fire or personnel hazard, a suitable nonwater automatic extinguishing system is an acceptable substitute for sprinklers." S ~ A N T I A T I O N : The new text is needed to remove the footnotes from existing Table 3-1 and place them in the body of the standard and to reflect two tables in lieu of one (one for sprinidered laboratory units and a separate table for nonsprinklered hboratury units). COMMITrEE ACTION: Accept.

OF COMMITTEE ~ t S ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF AB$TI~ITION: SZABO: See my Explanation of Abstention on 45-2 (Log #CP13).

(Log #43) 45- 48 - (3-1.10 (New)): Accept in Principle SU]gMITrE~ J.P. McCabe, National Institutes of Health REODMMEND-ATION: Add a new Section ~-1.10 as follows:

"Door assemblies in fire-rated wall assemblies shall be of an ~pitpp~ lVed type and have a fire protection ra t ingin accordance with

01, Life Safety Code. F'we door assemblies shall be installed in accordance with NFPA 80, Standard for Fire Doors and F'we Window." SUBSTANTIATION: The new text is needed to specify the proper NFPA references on how to protect door openings in fire-ratedwall assemblies. COMMITTEE ACTION: Accept in Principle. Revise 3-1.10 to read: 3-1.10 Door assemblies in 1 hr rated firebarriers shall be 3/4-hr

rated. Door assemblies in 2-hr rated fire barriers shall be I 1/2-hr rated. COMMITTEE STATIDdElqT: The Committee revisions clarify the h % V e n t

OF COMMrr rEE MIniVERS ELIGIBLE TO VOTE- 22 VOTE ON COMMITTEE ACTION:

AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: I Clover

EXPLANATION OF ABSTENTION: SZAB~. See my Explanation of Abstention on 45-2 (Log #CP13).

(Log #44) ~ 5 ~ (New)): Accept -

J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 3-I.I1 as follows:

~Window assemblies shall be permitted in fire-rated wall assemblies having a required fire resistance rating of 1 hour or less. W'mdow amemblies shall be of an approved type have af ire protection rating in accordance with NTPA 101, Life Safety Code. Fire window assemblies shall be installed in accordance with NFPA 80, Standard for Fire Doors and Fire Windows." SUBSTANTIATION: The new text is needed to provide direction on when window assemblies are permitted in fire-rated wall assemblies and to specify the proper NFPA references on how to

Otect window openings in fire-rated wall assemblies. ACTION: Accept.

NUMBER OF C O M M r r r ~ M]~4~ERS ELIGIBLE TOVOTE: 22 VOTE ON COMMrITEE ACTION:


EXPLANATION OF ABSTENTfON: SZABO: See my Explanation of Abstention on 45-2 (Log #CPI$).

341

N F P A 45 - - A 9 6 R O P

(Log #45) 45- 50 - (3-1.12 (New)): Accept SUBMITTER: J.P. McCabe, National Institutes of Heal th RECOMMENDATION: Add a new Section 3-1.12 as follows:

"Openings in fire-rated f loor /ce i l ing and wall assemblies for air- handl ing ductwork or air m o v e m e n t shall be protected in accordance with NFPA 90A, Standard for the Installation of Air Condi t ioning and Ventilating Systems." SUBSTANTIATION: The new text is n e e d e d to specify the proper NFPA reference on how to protect openings for a i r -handl ing ductwork or air m o v e m e n t in fire-rated f loor /ce i l ing and wall assemblies. COMMIT'FEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP54) 45- 51 - (3-2): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMblENDATION: Replace"Table 3-1" with"Table 3-1 (a) and 3-I (b)". SUBSTANTIATION: Editorial consistency with table split for

r inklered and nonspr ink le red laboratory units. MMITrEE ACTION: Accept.

NUMBER OF COMMrI'rEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP55) 45- 52 - (3-3): Accept SUBMITTER: Technical Commit tee on Cbemistry Laboratories RECOMMENDATION: Revise section 3-3 as follows:

3-3* Requi rements for Life Safety. Life safety features for laboratory buildings, laboratory units, and laboratory work areas shall comply with NFPA 101, Life Safety Code unless otherwise modif ied by o ther provisions of this s tandard.

3-3.1 Life safety requi rements for non-instruct ional laboratory units shall be in accordance with NFPA 101, Life Safety Code, chapter for an industrial occupancy.

Exception: Laboratories covered by NFPA 99, S tandard for Heal th Care Facilities, shall be in accordance with NFPA 101, Life Safety Code for a heal th care occupancy.

3-3.2 Life safety requ i rements for instructional laboratory uni ts for grades 12 and below shall be in accordance with NFPA 101, Life Safety Code, for an educational occupancy.

3-3.3 Life safety requ i rements for instructional laboratory units for above grade 12 shall be in accordance with NFPA 101, Life Safety Code, for a business occupancy. SUBSTANTIATION: The revisions are necessary as a result of NFPA 101, Life Safety Code, removing laboratories f rom their various occupancy definit ions in Chapter 4 of NFPA 101. COMMITTEE ACTION: Accept_ NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP58) 45-53 - (3-4.1"(c)): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Add "Class D" as follows:

"...Class B, Class C, or Class D...." SUBSTANTIATION: Consistency with added Class D laboratories. COMMITTEE ACTION: Accept_

See Commit tee Action on Proposal 45-24 FLog #26). NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22

VOTE ON COMMITTEE ACTION: AFFIRMATIVE: 20 ABSTENTION: 1 N O T RETURNED: 1 Clover


(Log #CP59) 45 -54 - (3-4.1"(e)1): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Revise 3-4.1" (e) 1 to read as follows:

"1. Is larger than lecture botde size (Approx. 2 x 13 in.), and...." SUBSTANTIATION: Clarification of Commit tee requirement . COMMITrEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


EXPLANATION OF ABSTENTION: SZABO: See my Explanation of Abstention on 45-2 (Log#CP13) .

(Log #CP60) 45- 55 - (3-4.2 (New)): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: 1. Add a new 3-4.2 to read: 3-4.2 Emergency lighting facilities shall be provided for any

laboratory work area requir ing a second means of access to an exit in accordance with section 3-4.1.

2. R e n u m b e r existing 3-4.2 as 3-4.3. SUBSTANTIATION: The Commit tee has added a r equ i r emen t for emergency lighting that they have decided is essential for safety. COMMITI'EE ACTION: Accept_ NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


COMMENT ON AFFIRMATIVE: WEGGEL-LAANE: 1. Due to the critical na ture of laboratory work,

emergency l ighting shou ld be provided whe the r or no t a second means of access is required.

2. Change section text to the following: "Emergency lighting facilities shall be provided for any laboratory work area." EXPLANATION OF ABSTENTION:

SZABO: See my Explanat ion of Abstention on 45-2 (Log #CP13).

(Log #CP61) 45- 56 - (3-4.3): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: R e n u m b e r existing 3-4.3 as 3-4.4 and add "or D" after "Class C'. SUBSTANTIATION: Consistency with added Class D laboratories. See Commit tee Action on Proposal 45-24 (Log #26). COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP148) 45- 57- (3-4.5 (New)): Accept SUBMITTER: Technical Commi t tee on Chemistry Laboratories RECOMMENDATION: Add a new 3-4.5 to read:

3-4.5 Emergency lighting in laboratory work areas and exits shall be installed in accordance with NFPA 101, Section 5-9, Emergency Lighting General. SUBSTANTIATION: The Commit tee decided that it was essential for safety for this r equ i r emen t to be added. COMIVIITrEE ACTION: Accept_ NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:


342

N F P A 45 - - A 9 6 R O P


(Log #48) 45- 58 - (3-5): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Section 3-5 as follows:

3-5* Furniture, Casework and Equipment . Furniture, casework and e q u i p m e n t in laboratorywork areas shall be a r ranged so that means of access to an exit can be reached easily f rom any point. The m i n i m u m width of any exit access shall be not less than 36 in. (91 cm) in clear and unobs t ruc ted width. SUBSTANTIATION: The revised text is needed to differentiate the te rm casework f rom furn i ture and equ i pmen t and to specify the m i n i m u m width of any exit access in order for exits in laboratory work areas to be reached easily and safely. COMMITTEE ACTION: Accept in Principle.

Revise Section 3-5 to read: 3-5* Furniture, Casework and Equipment . Furniture, casework

and e q u i p m e n t in laboratory work areas shall be ar ranged so that means of access to an exit can be reached easily f rom any point. COMMITTEE STATEMENT: T he Commit tee accepts the submit ter ' s proposal wi thout the last sentence to be consistent with a

r formance r equ i r emen t in NFPA 101, Life Safety Code, Chapter 5. ER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22

VOTE ON COMMITTEE ACTION: AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: 1 Glover


(Log #49) 45 -59 - (3-6 (New)): Reject SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Add a new Section 3-6 (and r e n u m b e r existing sections 3-6, 3-6.1 and 3-6.2 accordingly) as follows:

"Max imum Sheff Height. Shelving in laboratory work areas shall be a r ranged so tha t no shelf is located more than 90 in. (225 cm) above the f inished floor.

Exception: Shelving in laboratory work areas provided widl automat ic sprinkler systems may require a lower m a x i m u m shelf he igh t in order to mainta in requi red clearances specified in NFPA 13, S tandard for the Installation of Sprinkler Systems between the top of storage located on the uppe rmos t shelf and sprinkler deflectors." SUBSTANTIATION: The new text is needed to specify the m a x i m u m shelf he igh t for laboratory work areas tha t can be reached easily and safely by personnel and to poin t ou t requi red clearances between the top of storage located on the uppe rmos t shelf and sprinkler deflectors in laboratory work areas provided with automat ic sprinkler systems. COMMITTEE ACTION: Reject. COMMITTEE STATEMENT: The Commit tee believes the subject is adequately covered by other NFPA standards. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP64) 45- 60 - (3-6.2): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: 1. Revise section 3-6.2 to read as follows:

3-6.2 Laboratory work areas, laboratory units, and laboratory hood interiors shall be considered as unclassified electrically with respect to Article 500 of NFPA 70, National Electrical Code. SUBSTANTIATION: Clarification of the in tent of the requirement . COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP65) 45-61 - (3-6.2 Exception): Accept SUBMITTER: Technical Commit tee on Chemist ry Laboratories RECOMMENDATION: Delete the word "extraordinary". Replace the word "suitable" with "the". SUBSTANTIATION: Editorial. Conformance with the NFPA Manual of Style to remove unenforceable language. COMMITTEE ACTION: Accep t NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #14) 45 -62 - (3-6.2, 6-8.4 (New)): Reject SUBMITTER: Dennis P. Nolan, Saudi Arabian Oil Company RECOMMENDATION: Revise sections to state: Laboratory hoods, exhaus t systems, and vents which collect combustible vapors shall be classified as hazardous areas according to article 500 of the National Electrical Code. Classification of vent areas shall be in accordance with hazardous vents as def ined by NFPA 30, Table 5-3.5.3. SUBSTANTIATION: Laboratory hoods, exhaust systems and exhaus t vents may collect and hand led combustible and f lammable vapors as def ined by NFPA 30. These areas should be classified according to Article 500 of the NEC and the requi rements of NFPA 30. COMMITrEE ACTION: Reject. COMMITTEE STATEMENT: It is the Commit tee ' s in tent that laboratory hoods, laboratory work areas, exhaus t systems, and exhaust vents shall be unclassified electrically with respect to NFPA 70, Article 500, when f lammable and combust ible liquids are used in laboratory scale. The Commit tee believes tha t the vapor concentrat ions when us ing laboratory quanti t ies would be below the LFL because of the exhaus t airflow rates. The submit ter provided no technical substantiat ion to suppor t h isproposa l . NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #2) 45- 63 - (3-6.2.1 (New)): Reject SUBMITTER: Dennis P. Nolan, Occidental International Exp. & Prod. Co. RECOMMENDATION: Add a Section 3-6.2.1:

"Laboratory Hood(s) , Exhaust System and vents to be classified as Class 1, Div. 2. Vent outlet to be specified with a 5 ft radius of Class 1, DN.2 with 5 ft Class 1 Div. 2 Extending f rom dais area." SUBSTANTIATION: Vapor hoods are provided in laboratories to collect and exhaus t the release of hazardous vapors. Some of these vapors may be ignitable. P ruden t hazard classification of the collection and exhaus t areas of vapor collection needs to be specified. Ref. API 500B Fig. 6.14(a). COMMITI'EE ACTION: Reject. COMMITI 'EE STATEMENT: The submit ter provided no technical substantiat ion to suppor t his proposal. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #CP66) 45- 64 - (4-1.3 (New)): Accept SUBMITTER: Technical Commit tee on Chemistry Laboratories RECOMMENDATION: Add a new section 4-1.3 as follows:

4-1.3 An automat ic sprinkler system complying with NFPA 13, S tandard for the Installation of Sprinkler Systems, shall be provided for the protect ion of any below grade laboratory work area. SUBSTANTIATION: The Commit tee added a r equ i r emen t to enhance protect ion of laboratories below grade to offset potential lack of accessibility by emergency responders.

343

N F P A 45 - - A 9 6 R O P

COMMITTEE ACTION: Accept. NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION: AFFIRMATIVE: 20 ABSTENTION: 1 NOT RETURNED: 1 Glover


45- 65 - (4-2.1.1): Reject (Log #15) SUBMITTER: James Lake, National Fire Sprinkler Association RECOMMENDATION: Delete subparagraphs (a),(b) and (c) and replace with: 4-2.1.1" An automatic sprinkler system for all classes of laboratory

units, where required by Table 3-1, shall be designed for Extra Hazard Group 2 as specified in NFPA 13, Standard for the Installation of Fire Sprinkler Systems. A-4-2.1.1 Economical installation of sprinkler systems for Extra

Hazard Occupancies can be achieved through the use of compartrnentation and the "room design method" in NFPA 13. SUBSTANTIATION: NFPA 13 defines an Extra Hazard Occupancy as containing significant amounts of flammable and combustible liquids in open systems and not stored in approved containers. The amounts of flammable liquidspermitted by Table 3-1 are cause

a significant fire hazard and should be subjected to the appropriate protection criteria. COMMITI'EE ACTION: Reject. COMMITrEE STATEMENT: The Committee does not agree with the submitter's substantiation that laboratory units of all classes need to be designed for Extra Hazard Group 2 sprinkler protection. The Committee has also reviewed NFPA 13, Standard for the Installation of Sprinkler Systems, with respect to laboratories and has determined that die revised recommendation for automatic sprinkler protection is consistent with NFPA 13. See Committee Action on 45-66 (Log #50). NUMBER OF COMMITTEE MEMBERS ELIGIBLE TO VOTE: 22 VOTE ON COMMITTEE ACTION:



(Log #50) 45- 66 - (4-2.1.1): Accept in Principle SUBMITTER: J.P. McCabe, National Institutes of Health RECOMMENDATION: Revise Section 4-2.1.1 as follows: 4-2.1.1 An automatic sprinkler system, where required byTable 3-1 (a), depending on tile construction of the building, the fire

hazard class of the laboratory unit, the construction of'the laboratory unit enclosure, and the area of the laboratory unit shall be in accordance with the following:

(a) The design of antomatic sprinkler systems for Class A or Class B laboratory units shall be by hydrauUc calculations for an Ordinary Hazard (Group 2) Occupancy or by pipe schedule for an Ordinary Hazard Occupancy in accordance wiih-NFPA 13, Standard for the Installation o f Sprinkler Systems.

(b) The design of automatic sprinkler systems for Class C or Class D laboratory units shall be by hydraulic calculations for an Ordinary Hazard (Group 1 ) Occupancy. or by.pip e schedule for an Ordinary Hazard Occupancy m accordance voth NFPA 13, Standard for the Installation o f Sprinkler Systems. SUBSTANTIATION: The revised text is needed to reflect two tables in lieu of one (one for sprinklered laboratory units and a separate table for nonsprinkleredlaboratory units) and to correspond with the new sprinkler system hydraulic calculation area/density curves outlined in NFPA 13 (1994 edition). COMMITrEE ACTION: Accept in Principle.

Revise 4-2.1.1 to read: 4-2.1.1 An automatic sprinkler system, where required by Table

3-1 (a), depending on die construction of the building, the hazard class of the laboratory unit, the construction of the laboratory unit enclo