149.417—What firefighting equipment must a helicopter landing deck on a manned deepwater port have?
         Each helicopter landing deck on a manned deepwater port must have the following:
    
    
        
        (a) 
         A fire hydrant and hose located near each stairway to the landing deck. If the landing deck has more than two stairways, only two stairways need to have a fire hydrant and hose. The fire hydrants must be part of the fire main system; and