Div 22 — Plumbing
Plumbing
Sloan fixtures, flushometers & faucets with IPC supply/drainage sizing.
Core Engine
PlumbSpecCore Engine
Brief → Sloan fixtures + flushometers + faucets → BOM → IPC supply/drainage checks + ROM budget.
“office, 300 occupants” → fixture count + Sloan WC/urinal/faucet schedule
What you do
Describe the building, occupant load, and scope (WaterSense, sensor vs manual, bottle fillers).
What you get
IPC minimum fixture count, Sloan fixtures paired with flushometers/faucets (GPF/GPM), soap + bottle fillers, the WSFU→GPM supply pipe sizing + DFU drainage, and a ROM budget.
Example output
Tools
Specialized utilities for specific tasks.
Water Demand & Pipe Sizing
WSFU → peak GPM (Hunter's curve) → service pipe size + drainage DFU.
8 WC + 4 urinals + 8 lavs → peak GPM + pipe size