Full walkthrough
v1.1.17
Water Supply Calculations
Seven plumbing calculators in one project file. Two code families run side by side on purpose, so an engineer can size to whichever the project adopted without a second tool.
Pinned to
CIBSE Guide C 2007IPC 2021CIBSE Guide G 2014PESDG IoP 2002BS 8558:2011ASPE PEDH Vol.2 2014ASPE PEDH Vol.4 2016ASHRAE Applications 2015 SI Ch.50ASHRAE Handbook Fundamentals 2017 SI Ch.23ASHRAE Handbook Fundamentals 2021 SI Ch.33BS EN 60034-1:2010BS EN ISO 9906:2000Leminar SPC-Aqua Nov 2023KSB 2005Rishel 2006
Last reviewed against the printed text · 5 September 2026


- Pipe Sizer — Colebrook-White friction on live fluid properties, with a full pipe-list export.
- Quick Pump Sizing — duty flow, head build-up, motor.
- NPSH — absolute-head NPSHA balance against the pump's NPSHR.
- IPC Fixtures — Hunter-curve water supply fixture units.
- BS Fixtures — the CIBSE / loading-unit path, served side by side with IPC.
- Hot Water Sizing — storage and recovery, plus point-of-use, recirculation and commercial-kitchen sub-calculations.
- Tank Cooler — sensible pull-down tank cooling on a chiller catalogue.
Walkthrough
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