Section 503.6 of the IFC is amended to read as follows:

503.6 Security gates. The installation of security gates across private fire apparatus access roads shall be approved by the building official/fire marshal and the city engineer. Where security gates are installed on primary fire department access roads, they shall be provided with optical communication controls as the primary means of emergency operation. Optical controls shall default to the open condition in the event of a power failure. Gates installed on secondary fire department access roads shall be provided with optical controls, an approved access key box at the gate, or an approved lock keyed to the fire department access key system. Security gates and the emergency operation shall be maintained operational at all times.