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// CODE SNIPPET

612.5.3 Sprinkler Pipe Sizing

Uniform Plumbing Code 2018 of Nevada > 6 Water Supply and Distribution > 612.0 Residential Fire Sprinkler Systems > 612.5 Sprinkler Piping Design > 612.5.3 Sprinkler Pipe Sizing
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The sprinkler piping shall be sized for the flow rate in accordance with Section 612.5.1. The flow rate required to supply the plumbing fixtures shall not be required to be added to the sprinkler design flow for multipurpose or stand alone piping systems. The sizing of the water supply to the plumbing fixtures shall be determined in accordance with this chapter. For multipurpose piping systems, the largest pipe size required based on either the sprinkler piping calculations or the water distribution piping calculations shall be installed.

612.5.3.1 Sprinkler Pipe Sizing Method

The sprinkler pipe shall be sized using the prescriptive method in Section 612.5.3.2 or by hydraulic calculation in accordance with NFPA 13D. The sprinkler pipe size from the water supply source to a sprinkler shall be not less than 3/4 of an inch (20 mm) in diameter. Threaded adapter fittings at the point where sprinklers are attached to the piping shall be not less than 1/2 of an inch (15 mm) in diameter.
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Related Code Sections


612.5.3 Water Supply and Distribution, Sprinkler Pipe Sizing
The sprinkler piping shall be sized for the flow rate in accordance with Section 612.5.1. The flow rate required to supply the plumbing fixtures ...
Uniform Plumbing Code 2018 of Nevada > 6 Water Supply and Distribution > 612.0 Residential Fire Sprinkler Systems > 612.5 Sprinkler Piping Design > 612.5.3 Sprinkler Pipe Sizing
P2904.6.1 Water Supply and Distribution, Method of Sizing Pipe
Piping supplying sprinklers shall be sized using the prescriptive method in Section P2904.6.2 or by hydraulic calculation in accordance with NFPA 13D ...
Residential Code 2012 of Nevada > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.6 Pipe Sizing > P2904.6.1 Method of Sizing Pipe
P2904.6.1 Water Supply and Distribution, Method of Sizing Pipe
Piping supplying sprinklers shall be sized using the prescriptive method in Section P2904.6.2 or by hydraulic calculation in accordance with NFPA 13D ...
Residential Code 2018 of Nevada > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.6 Pipe Sizing > P2904.6.1 Method of Sizing Pipe
P2904.6.2 Water Supply and Distribution, Prescriptive Pipe Sizing Method
LENGTH FOR 3 / 4 -INCH CPVC PIPE SPRINKLER FLOW RATE a (gpm) WATER DISTRIBUTION SIZE (inch) AVAILABLE PRESSURE— P t (psi) 15 ...
Residential Code 2018 of Nevada > 29 Water Supply and Distribution > P2904 Dwelling Unit Fire Sprinkler Systems > P2904.6 Pipe Sizing > P2904.6.2 Prescriptive Pipe Sizing Method
16.1.8.1 Protection of Rack Storage of Class I Through Class IV Commodities,
The number of sprinklers and the pipe sizing on a line of sprinklers in racks shall be restricted only by hydraulic calculations and not by any ...
Standard for the Installation of Sprinkler Systems 2016 of Nevada > 16 Protection of Rack Storage of Class I Through Class IV Commodities > 16.1 General > 16.1.8 In-Rack Sprinklers > 16.1.8.1
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