The aggregate quantities of gases used for maintenance purposes and operation of equipment shall not exceed the maximum allowable quantity per control area listed in Table 5003.1.1(1).
Medical gas systems and medical gas supply cylinders shall also be in accordance with Section 5306.
TABLE 6304.1.2
OXIDIZER LIQUIDS AND SOLIDS—DISTANCE FROM DETACHED
BUILDINGS AND OUTDOOR STORAGE AREAS TO EXPOSURES
OXIDIZER CLASS | WEIGHT (pounds) | MINIMUM DISTANCE TO BUILDINGS, LOT LINES, PUBLIC STREETS, PUBLIC ALLEYS, PUBLIC WAYS OR MEANS OF EGRESS (feet) |
1 | Note a | Not Required |
2 | Note a | 35 |
3 | Note a | 50 |
4 | Over 10 to 100 | 75 |
101 to 500 | 100 | |
501 to 1,000 | 125 | |
1,001 to 3,000 | 200 | |
3,001 to 5,000 | 300 | |
5,001 to 10,000 | 400 | |
Over 10,000 | As required by the fire code official |
Exception: Detached storage buildings protected by an approved automatic fire-extinguishing system.
TABLE 6304.1.7(1)
STORAGE OF CLASS 1 OXIDIZER LIQUIDS AND
SOLIDS IN COMBUSTIBLE CONTAINERSa
STORAGE CONFIGURATION | LIMITS (feet) |
Piles Maximum length Maximum width Maximum height Minimum distance to next pile Minimum distance to walls | No Limit 50 20 3 2 |
Maximum quantity per pile | No Limit |
Maximum quantity per building | No Limit |
TABLE 6304.1.7(2)
STORAGE OF CLASS 2 OXIDIZER LIQUIDS AND SOLIDSa, b
STORAGE CONFIGURATION | LIMITS | ||
Segregated storage | Cutoff storage roomsc | Detached building | |
Piles Maximum width Maximum height Minimum distance to next pile Minimum distance to walls | 16 feet 10 feet Note d 2 feet | 25 feet 12 feet Note d 2 feet | 25 feet 12 feet Note d 2 feet |
Maximum quantity per pile | 20 tons | 50 tons | 200 tons |
Maximum quantity per building | 200 tons | 500 tons | No Limit |
TABLE 6304.1.7(3)
STORAGE OF CLASS 3 OXIDIZER LIQUIDS AND SOLIDSa, b
STORAGE CONFIGURATION | LIMITS | ||
Segregated storage | Cutoff storage roomsc | Detached building | |
Piles Maximum width Maximum height Minimum distance to next pile Minimum distance to walls | 12 feet 8 feet Note d 4 feet | 16 feet 10 feet Note d 4 feet | 20 feet 10 feet Note d 4 feet |
Maximum quantity per pile | 20 tons | 30 tons | 150 tons |
Maximum quantity per building | 100 tons | 500 tons | No Limit |
TABLE 6304.1.7(4)
STORAGE OF CLASS 4 OXIDIZER LIQUIDS AND SOLIDS
STORAGE CONFIGURATION | LIMITS (feet) |
Piles Maximum length Maximum width Maximum height Minimum distance to next pile | 10 4 8 8 |
Maximum quantity per building | No Limit |
TABLE 6304.2.2
OXIDIZER GASES—DISTANCE FROM STORAGE TO EXPOSURESa
QUANTITY OF GAS STORED (cubic feet at NTP) | DISTANCE TO A BUILDING NOT ASSOCIATED WITH THE MANUFACTURE OR DISTRIBUTION OF OXIDIZING GASES OR PUBLIC WAY OR LOT LINE THAT CAN BE BUILT UPON (feet) | DISTANCE BETWEEN STORAGE AREAS (feet) |
0 – 50,000 | 5 | 5 |
50,001 – 100,000 | 10 | 10 |
100,001 or greater | 15 | 10 |
Exceptions:
Exception: Liquid oxygen ambulatory containers are allowed to be filled indoors where the supply container is specifically designed for filling such containers and written instructions are provided by the container manufacturer.