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5005.2.1.4 Secondary Containment for Hazardous Material Liquids

Fire Code 2021 of Colorado > 50 Hazardous Materials—General Provisions > 5005 Use, Dispensing and Handling > 5005.2 Indoor Dispensing and Use > 5005.2.1 Open Systems > 5005.2.1.4 Secondary Containment for Hazardous Material Liquids

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Where required by Table 5005.2.1.4, buildings, rooms or areas where hazardous material liquids are dispensed or used in open systems shall be provided with secondary containment in accordance with Section 5004.2.2 where the capacity of an individual vessel or system or the capacity of multiple vessels or systems exceeds the following:

Individual vessel or system: greater than 1.3 gallons (5 L).
Multiple vessels or systems: greater than 5.3 gallons (20 L).

TABLE 5005.2.1.4

REQUIRED SECONDARY CONTAINMENT—HAZARDOUS MATERIAL LIQUIDS USE

MATERIAL	INDOOR LIQUIDS USE	OUTDOOR LIQUIDS USE
1. Physical-hazard materials
Combustible liquids	Class II	See Chapter 57	See Chapter 57
	Class IIIA	See Chapter 57	See Chapter 57
	Class IIIB	See Chapter 57	See Chapter 57
Cryogenic fluids		See Chapter 55	See Chapter 55
Explosives		See Chapter 56	See Chapter 56
Flammable liquids	Class IA	See Chapter 57	See Chapter 57
	Class IB	See Chapter 57	See Chapter 57
	Class IC	See Chapter 57	See Chapter 57
Flammable solids		Not Applicable	Not Applicable
Organic peroxides	Unclassified Detonable	Required	Required
	Class I	Required	Required
	Class II
	Class III
	Class IV
	Class V	Not Required	Not Required
Oxidizers	Class 4	Required	Required
	Class 3
	Class 2
	Class 1
Pyrophorics		Required	Required
Unstable (reactives)	Class 4	Required	Required
	Class 3
	Class 2
	Class 1	Not Required	Required
Water reactives	Class 3	Required	Required
	Class 2
	Class 1	Not Required	Required
2. Health-hazard materials
Corrosives		Required	Required
Highly toxics
Toxics

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