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// CODE SNIPPET

P2903.7 Size of Water-Service Mains, Branch Mains and Risers

2017 FBC - Residential, 6th edition > 29 Water Supply and Distribution > P2903 Water-Supply System > P2903.7 Size of Water-Service Mains, Branch Mains and Risers
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The size of the water service pipe shall be not less than 3/4 inch (19 mm) diameter. The size of water service mains, branch mains and risers shall be determined from the water supply demand [gpm (L/m)], available water pressure [psi (kPa)] and friction loss caused by the water meter and developed length of pipe [feet (m)], including equivalent length of fittings. The size of each water distribution system shall be determined according to design methods conforming to acceptable engineering practice, such as those methods in Appendix P and shall be approved by the code official.

Related Code Sections


P2903.7 Water Supply and Distribution, Size of Water-Service Mains, Branch Mains and Risers
The size of the water service pipe shall be not less than 3 / 4 inch (19 mm) diameter. The size of water service mains, branch mains and risers ...
2014 FBC - Residential, 5th edition > 29 Water Supply and Distribution > P2903 Water-Supply System > P2903.7 Size of Water-Service Mains, Branch Mains and Risers
P2903.7 Water Supply and Distribution, Size of Water-Service Mains, Branch Mains and Risers
The size of the water service pipe shall be not less than 3 / 4 inch (19 mm) diameter. The size of water service mains, branch mains and risers ...
2017 FBC - Residential, 6th edition > 29 Water Supply and Distribution > P2903 Water-Supply System > P2903.7 Size of Water-Service Mains, Branch Mains and Risers
P2903.7 Water Supply and Distribution, Size of Water-Service Mains, Branch Mains and Risers
The size of the water service pipe shall be not less than 3 / 4 inch (19 mm) diameter. The size of water service mains, branch mains and risers ...
2020 FBC - Residential, 7th edition > 29 Water Supply and Distribution > P2903 Water Supply System > P2903.7 Size of Water-Service Mains, Branch Mains and Risers
24.1.3* Water Supplies, Size of Fire Mains
Except as provided in 24.1.3.2 or 24.1.3.3, no pipe smaller than 6 in. (150 mm) in diameter shall be installed as a private service main ...
Standard for the Installation of Sprinkler Systems 2016 of Florida > 24 Water Supplies > 24.1 General > 24.1.3* Size of Fire Mains
450.3.18.8 Special Detailed Requirements Based on Use and Occupancy,
Each water service main, branch main, riser and branch to a group of fixtures shall have valves. Stop valves shall be provided for each fixture ...
2014 FBC - Building, 5th edition > 4 Special Detailed Requirements Based on Use and Occupancy > 450 Nursing Homes > 450.3 Additional Physical Plant Requirements for Nursing Homes > 450.3.18 Plumbing > 450.3.18.8
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