Plumbing Supply
General
P2601.2 |
Must be connected to sanitary drainage system |
|
P2603.2.1 |
Protection against damage |
|
P2603.3.1 |
Penetration |
|
P2603.4 |
Pipes through foundation walls |
|
P2603.5 N1103.5.3 |
Freezing Hot water pipe insulation requirements |
General Installation Requirements
P2604.1 |
Trenching and bedding |
|
P2604.2 |
Water service and building sewer in same trench |
|
P2604.3 |
Backfilling |
|
P2604.4 |
Protection of footings |
|
P2903.7 |
Minimum required pipe sizes (main and distribution) |
|
P2605.1 |
Supports |
|
P2606.1 |
Sealing of annular spaces |
|
P2607 |
Waterproofing of openings |
|
P2902.3 |
Backflow protection |
Spacing Chart for Different Materials (spacing in feet)
Material Max Horizontal ft Max Vertical ft
PVC |
4 |
10 |
CPVC 1 inch or smaller |
3 |
10 |
PEX 1 inch or smaller |
2.67 |
4 |
PEX 1 ¼ inch or larger |
4 |
10 |
COPPER (1 ¼ inch or smaller) |
6 |
10 |
COPPER (1 ½ inch or larger) |
10 |
10 |