Chapter 1: Residential Water Supply Design (PEX)

Six-step flowchart for water supply fixture unit design from building occupancy through fixture schedule, WSFU assignment, summation, Hunter

Fixture unit calculation worksheet table for a three-story office building tallying WSFU and DFU by fixture type across three floors with floor subtotals and a design summary

Roof drainage plan with four quadrant drainage zones each sloped 2 percent toward a labeled primary roof drain, with overflow scuppers at each side and low point of the roof perimeter

Commercial ground floor plumbing plan showing men

Four-column plumbing inspection checklist covering underground inspection, rough-in inspection, pressure test, and final inspection with itemized verification points for each stage