Requirements for Chemical Storage cont'd

DOE-HDBK-1139/3-2003

Sources10

Consolidated Requirements

4.2.7.1 Indoor storage in one fire area of multiple groups of

NFPA 55, Chapter 6

cylinders containing flammable gas shall be performed

according to specifications in NFPA 55, Chapter 6.

4.2.8 Indoor storage in one fire area of multiple groups of cylinders

NFPA 55, Chapter 6

containing flammable gas shall be performed according to

specifications in NFPA 55, Chapter 6.

4.2.8.1 Groups may be separated from each other by masonry

NFPA 55, 2.2.1.7.b

walls with a fire resistance rating of 2 hours instead of

by a minimum distance.

4.2.8.2 Different flammable gases shall be allowed to be stored

NFPA 55, 2.2.1.8

together.

4.2.9 Flammable gases with a collective volume between 2,501 and

CGA G-1 4.2.6;

5,000 scf, when stored indoors, shall be stored in rooms or

enclosures with a minimum 1-hour fire resistance rating.

NFPA 51, 2.3.1;

NFPA 55, 2.2.2.1.a

4.2.9.1 Multiple groups of flammable gas cylinders in one

NFPA 55, 2.2.2.2.1

sprinklered fire area shall be stored a minimum of 100

ft. apart.

4.2.10 Flammable gases with a collective volume greater than 5,000

NFPA 51, 2.3.2;

scf, when stored indoors, shall be stored in a room or enclosure

NFPA 55, 2.2.3.1

with a minimum fire resistance of 2 hours.

4.2.10.1 Rooms used to store compressed gases shall be

NFPA 51, 2.3.2;

sprinklered according to NFPA 13.

NFPA 55, 2.2.3.2

4.2.11 Indoor compressed gas storage areas that are used to store toxic

NFPA 55, 7.9.2.1;

or highly toxic gases indoors shall be equipped with a

NFPA 55, 7.9.6.5;

continuous monitoring system that would provide warning of

NFPA 55, 7.9.6.6

toxic gas concentrations that could present a hazard to life.

4.2.12 Outdoor storage areas of toxic gases shall be located 75 ft from

NFPA 55, 7.9.2.2;

a line of property, public ways, places of assembly.

NFPA 55,7.10.2

4.2.13 Other requirements for the storage of toxic and highly toxic

NFPA 55, 7.9

d i NFPA 55 7 9

4.2.14 Where toxic gases are stored, a minimum of two NIOSH

29CFR1910.134

approved self-contained breathing apparatus (SCBAs) shall be

kept available at all times for use in upset conditions. They

shall be cleaned and disinfected after each use, properly

maintained and stored, inspected at least monthly, and checked

for proper function before and after each use.

4.2.14.1 NIOSH approved SCBAs shall also be provided where

CGA P-1, 4.5.1.3;

protection is deemed necessary for entry into

CGA P-1, 4.5.1.4

atmospheres containing asphyxiant or corrosive gases.23

Any other respirator used must go through a NIOSH approval process for equivalency. This process must be

described in the facility's written respiratory protection program.