9.16.3. |
Drainage |
9.16.3.1. |
Control of Water Ingress
- Except as provided in Article 9.16.3.2. or where it can be shown to be unnecessary, ingress of water underneath a floor-on-ground shall be prevented by grading or drainage.
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9.16.3.2. |
Hydrostatic Pressure
- Where groundwater levels may cause hydrostatic pressure beneath a floor-on-ground, the floor-on-ground shall be
- a poured concrete slab, and
- designed to resist such pressures.
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9.16.3.3. |
Floor Drains
- When floor drains are required (see Section 9.31.), the floor surface shall be sloped so that no water can accumulate.
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