905.3.3.1 Covered-mall building height.
BC § 905.3.3.1
Covered-mall buildings where the highest occupied floor level is located not more than 30 feet (9144 mm) above the lowest level of the Fire Department vehicle access shall be permitted to be provided with Class I hose connections connected to the mall sprinkler system in accordance with Section 8.17.5.2 of NFPA 13 regarding hose connections for Fire Department use and under the following conditions: 1. Any individual outlet shall be capable of delivering water flow at a rate of 250 gallons per minute (946.4 L/m) while concurrently supplying the mall sprinkler demand; and 2. Each of the two most hydraulically remote outlets shall be capable of concurrently delivering 250 gallons per minute (946.4 L/m) at a pressure of 100 pounds per square inch (689.4 kPa) with no mall sprinkler demand, based on a supply pressure at the system Fire Department connection of not more than 175 pounds per square inch (1206.6 kPa). Adequacy of the water supply available to the Fire Department shall be demonstrated through hydraulic calculations provided by the registered design professional.
