414.2.2 Percentage of maximum allowable quantities.
BC § 414.2.2
The percentage of maximum allowable quantities of hazardous materials per control area permitted at each floor level within a building shall be in accordance with Table 414.2.2. Table 414.2.2Design and Number of Control Areas Floor Level Percentage of the Maximum Allowable Quantity Per Control Area aNumber of Control Areas Per Floor bFire-Resistance Rating for Fire Barriers in Hours bAbove grade Higher than 97-96543215512.512.512.550751001222223422222111Below grade 12Lower than 27550Not Allowed32Not Allowed11Not Allowed a. Percentages shall be of the maximum allowable quantity per control area shown in Tables 307.1(1) and 307.1(2), with all increases allowed in the notes to those tables. b. Separation shall include fire barriers and horizontal assemblies as necessary to provide separation from other portions of the building.
