- Condition
- CE 1.1: Water Leakage Through Buried Roof Slab - Exposed To Chlorides
- Article Type
- Common Element
- Article Number
- 1.1
- Warranty Year(s)
- One Year
- Performance
- Buried roof slabs shall be designed and constructed to prevent water penetration and leakage and to protect the slab from exposure to chlorides in accordance with the Ontario Building Code including CSA 413 and the design.
- Warranty
- One-Year –Work and Materials. Two-Year - Building Envelope Water Penetration
- Action
- The waterproofing system, not meeting acceptable performance, shall be repaired.
- Remarks
- Repair shall address the material defect in the waterproofing system to prevent water from penetrating into the building and to reinstate the protection of the slab against chloride contamination. Care must be taken to prevent damage to waterproof membrane during required maintenance activities to exposed surfaces above the buried roof. The Ontario Building Code references CSA S413, Item 4 which requires protection against leakage and chloride Expansion joints shall be repaired to accommodate movement Exposed to chlorides refers to slabs which are exposed to de-icing chemicals. This typically applies to slabs located below driveways, parking, and walkways.
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