01 Project Info
02 Water Supply Fixtures (WSFU)
Subtotal WSFU0.0
03 Hunter Curve Selection
Select based on the dominant water closet type in your system. Flush tanks (gravity) for residential; flush valves for commercial.
04 Drainage Fixtures (DFU)
Subtotal DFU0
05 Drainage System Type
Minimum slope: 1/4" per foot for pipes < 3". 1/8" per foot for pipes >= 3".
Fixture Unit Summary
Total WSFU0.0
Peak Demand (GPM)0.0
Total DFU0
Recommended Pipe SizesWater: --
Drain: --
Drain: --
Scope: UPC 2024 / IPC 2024 fixture unit tables. WSFU from Table 610.3 / 604.3, DFU from Table 702.1 / 709.1, GPM conversion from Appendix B Table B.5.4. Drain pipe sizing from Table 710.1. Verify local amendments before specifying pipe.
Water Supply Fixture Breakdown
| Fixture | Qty | Type | Unit WSFU | Total WSFU |
|---|---|---|---|---|
| Total WSFU | 0.0 | |||
Cold branch \u2248 0.0 WSFU | Hot branch \u2248 0.0 WSFU (each = 0.75 \u00d7 total)
Drainage Fixture Breakdown
| Fixture | Qty | Unit DFU | Total DFU |
|---|---|---|---|
| Total DFU | 0 | ||
Reference Tables
WSFU to GPM (Hunter's Curve) — Flush Tanks
| WSFU | GPM |
|---|
Water Pipe Sizing Reference
| Total WSFU | Min Pipe Size |
|---|
Simplified reference for 46\u201360 psi. Verify against UPC Table 610.4 / IPC Table 604.5 for specific pressure and pipe run length.
Drainage Pipe Sizing (IPC Table 710.1)
Horizontal Fixture Branches \u2014 710.1(2)
| Pipe Dia | Max DFU |
|---|
Building Drains \u2014 710.1(1) @ 1/4" slope
| Pipe Dia | Max DFU |
|---|
Stacks \u2014 710.1(2), \u22643 intervals
| Pipe Dia | Max DFU |
|---|