🚰 Hot Pressure Wet Tap Sizing, Fire Hydrant Flow GPM & NFPA 291 Rating

Commercial Water Main Tap & Fire Hydrant Flow Calculator

Calculate municipal water main pressurized hot/wet tapping sleeves (4" to 12" tapping valves), calculate fire flow test available GPM at 20 PSI residual pressure under NFPA 291, and determine if a dedicated fire pump is required for commercial sprinkler systems.

1. Project & Operating Inputs

Water Main Diameter (Inches e.g. 12" Ductile Iron)

New Service Tap Branch Size (Inches e.g. 6" Tap)

Customer Bid Price for Hot Tap & Road Cut ($)

Tapping Sleeve, Valve, Hot Tap Machine & Asphalt Patch ($)

2. Financial Breakdown & Yield

WATER MAIN WET TAP & NFPA 291

Turnkey Wet Tap Job Profit

Utility Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost