45 FEET OF HORIZONTAL PIPING IS RUN FROM A TEE IN THE FIRE SPRINKLER CROSSMAIN TO SUPPLY A 1 1/2″ HOSE. THE MINIMUM SIZE PIPE THAT MAY BE USED IS ____?
45 FEET OF HORIZONTAL PIPING IS RUN FROM A TEE IN THE FIRE SPRINKLER CROSSMAIN TO SUPPLY A 1 1/2″ HOSE. THE MINIMUM SIZE PIPE THAT MAY BE USED IS ____?