Plumbing Supply
General
|
P2601.2 |
Must be connected to sanitary drainage system |
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P2603.2.1 |
Protection against damage |
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P2603.3.1 |
Penetration |
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P2603.4 |
Pipes through foundation walls |
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P2603.5 N1103.5.3 |
Freezing Hot water pipe insulation requirements |
General Installation Requirements
|
P2604.1 |
Trenching and bedding |
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P2604.2 |
Water service and building sewer in same trench |
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P2604.3 |
Backfilling |
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P2604.4 |
Protection of footings |
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P2903.7 |
Minimum required pipe sizes (main and distribution) |
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P2605.1 |
Supports |
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P2606.1 |
Sealing of annular spaces |
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P2607 |
Waterproofing of openings |
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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 |
