5006.6.1 Flammable and combustible liquids.
FC § 5006.6.1
The density and total quantity of flammable and combustible liquids allowed within a laboratory unit, excluding storage rooms, shall be in accordance with Table 9.1.1(b) of NFPA 45, as modified by FC Appendix B, for laboratory unit fire hazard Class D. Exceptions: For laboratory units other than educational or instructional laboratories pursuant to NFPA 45, as modified by FC Appendix B: 1. The density of flammable and combustible liquids allowed within a Class D laboratory unit may be increased to those set forth in Table 9.1.1(b) of NFPA 45, as modified by FC Appendix B, for laboratory unit fire hazard Class B provided the total quantity of flammable and combustible liquid, including any in storage cabinets or safety cans, does not exceed 25 gallons (95 L).
2.The density of flammable and combustible liquids allowed within a Class D laboratory unit may be increased to those set forth in Table 9.1.1(b) of NFPA 45, as modified by FC Appendix B, for laboratory unit fire hazard Class B provided the total quantity of flammable and combustible liquid, including any in storage cabinets or safety cans, does not exceed 30 gallons (114 L) and the walls, floors and ceilings of the laboratory unit are separated from all adjoining areas by 2-hour fire-rated construction.
3.The quantity of flammable and combustible liquids allowed within a Class D laboratory unit, excluding quantities in storage cabinets or safety cans, may be increased from 75 gallons (284 L) to 100 gallons (379 L), provided the walls, floors and ceilings of the laboratory unit are separated from all adjoining areas by 2-hour fire-rated construction. Total quantities of flammable and combustible liquids, including quantities in storage cabinets and safety cans, may be increased from 150 gallons (568 L) to 200 gallons (757 L), provided the walls, floors and ceilings of the laboratory unit are separated from all adjoining areas by 2-hour fire-rated construction.
