4.17 Pre-Action Sprinkler System Supplied by Wet Pipe Sprinkler Systems 4.17 Pre-Action Sprinkler System Supplied by Wet Pipe Sprinkler Systems
4.16 Sprinkler Systems in Existing Live/Work Occupancies 4.16 Sprinkler Systems in Existing Live/Work Occupancies
4.15 Use of Powder Driven Studs for Hanging Sprinkler Pipe 4.15 Use of Powder Driven Studs for Hanging Sprinkler Pipe
4.12 Temporary Standpipes in Buildings Under Construction 4.12 Temporary Standpipes in Buildings Under Construction
4.21 Single and Double Interlock Pre-Action Systems 4.21 Single and Double Interlock Pre-Action Systems