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// CODE SNIPPET

P2904.3 Sprinkler Piping System

Residential Code 2021 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System
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Sprinkler piping shall be supported in accordance with requirements for cold water distribution piping. Sprinkler piping shall comply with the requirements for cold water distribution piping. For multipurpose piping systems, the sprinkler piping shall connect to and be a part of the cold water distribution piping system.
Exception: For plastic piping, it shall be permissible to follow the manufacturer's installation instructions.

P2904.3.1 Nonmetallic Pipe and Tubing

Nonmetallic pipe and tubing, such as CPVC, PEX, and PE-RT shall be listed for use in residential fire sprinkler systems.

P2904.3.1.1 Nonmetallic Pipe Protection

Nonmetallic pipe and tubing systems shall be protected from exposure to the living space by a layer of not less than 3/8-inch-thick (9.5 mm) gypsum wallboard, 1/2-inch-thick (13 mm) plywood, or other material having a 15-minute fire rating.

Exceptions:
  1. Pipe protection shall not be required in areas that do not require protection with sprinklers as specified in Section P2904.1.1.
  2. Pipe protection shall not be required where exposed piping is permitted by the pipe listing.

P2904.3.2 Shutoff Valves Prohibited

With the exception of shutoff valves for the entire water distribution system or a single master control valve for the automatic sprinkler system that is locked in the open position, valves shall not be installed in any location where the valve would isolate piping serving one or more sprinklers.

P2904.3.3 Single Dwelling Limit

Piping beyond the service valve located at the beginning of the water distribution system shall not serve more than one dwelling.

P2904.3.4 Drain

A means to drain the sprinkler system shall be provided on the system side of the water distribution shutoff valve.

Related Code Sections


P2904.3 Water Supply and Distribution, Sprinkler Piping System
with the requirements for cold water distribution piping. For multipurpose piping systems, the sprinkler piping shall connect to and be a part of the cold water ...
Residential Code 2021 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System
P2904.3 Water Supply and Distribution, Sprinkler Piping System
with the requirements for cold water distribution piping. For multipurpose piping systems, the sprinkler piping shall connect to and be a part of the cold water ...
Residential Code 2018 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System
P2904.3.2 Water Supply and Distribution, Shutoff Valves Prohibited
With the exception of shutoff valves for the entire water distribution system or a single master control valve for the automatic sprinkler system ...
Residential Code 2021 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System > P2904.3.2 Shutoff Valves Prohibited
P2904.3.4 Water Supply and Distribution, Drain
A means to drain the sprinkler system shall be provided on the system side of the water distribution shutoff valve ...
Residential Code 2021 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System > P2904.3.4 Drain
P2904.3.4 Water Supply and Distribution, Drain
A means to drain the sprinkler system shall be provided on the system side of the water distribution shutoff valve ...
Residential Code 2018 of Colorado > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.3 Sprinkler Piping System > P2904.3.4 Drain
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