Remodeler's Instant Answers
Whether you're a builder, a carpenter, or even a building inspector, this informative, to-the-point text provides quick, timesaving access to solutions for a broad range of commonly encountered remodeling obstacles.
TABLE OF CONTENTS Remodeler's Instant Answers
INSPECTIONS
Adding a new bathroom opens you up for the need to have inspections on the job site by local code officers. You must have all plumbing and electrical work inspected before you conceal it. For your own protection, require your subcontractors to provide you with approved inspection slips before you pay them for work performed. Additional inspections will be required once fixtures are set and the job is considered finished. Again, get approved inspection slips before paying your subcontractors.
| FIXTURE SUPPLY OUTLET SERVING | FLOW RATE [a] (gpm) | FLOW PRESSURE (psi) |
|---|---|---|
| Bathtub | 4 | 8 |
| Bidet | 2 | 4 |
| Combination fixture | 4 | 8 |
| Dishwasher, residential | 2.75 | 8 |
| Drinking fountain | 0.75 | 8 |
| Laundry tray | 4 | 8 |
| Lavatory | 2 | 8 |
| Shower | 3 | 8 |
| Shower, temperature controlled | 3 | 20 |
| Sillcock, hose bibb | 5 | 8 |
| Sink, residential | 2.5 | 8 |
| Sink, service | 3 | 8 |
| Urinal, valve | 15 | 15 |
| Water closet, blow out, flushometer valve | 35 | 25 |
| Water closet, flushometer tank | 1.6 | 15 |
| Water closet, siphonic, flushometer valve | 25 | 15 |
| Water closet, tank, close coupled | 3 | 8 |
| Water closet, tank, one piece | 6 | 20 |
| For SI: 1 psi = 6.895 kPa, 1 gallon per minute (gpm) = 3.785 L/m. | ||
| [a]For additional requirements for flow rates and quantities, see Section 604.4. |
When you go into bid a major bathroom job, go in with your eyes open. Take trade experts with you when you visit a potential job site. This is the only way that...
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