b'CSA 123.26:21TABLE 5: RAIN WATER RESISTANCECALCULATED USING CLIMATE-RCI (ANTICIPATES FUTURE RAIN LOADS)SILVER GOLDMembranes and flashing systems shall be designed as watertight and act as an air barrier in accordance with CAN/ULC-S742 Standard for Air Barrier AssembliesRainwater resistance shall be designed based on the rain load for the number of drains, size of drains, size of scuppers, slope of roof, type of roof finish and rainwater leaders.TABLE 6: FIELD REVIEW REQUIREMENTSSILVER GOLDIndependent Inspector shall be engaged for 25 per cent ofIndependent Inspector shall be engaged for 100 per cent of the days of work, which shall occur on the days when majorthe days of work. RRO or equivalent. stages are achieved. RRO or equivalent.OR:Appropriate leak detection technology be installed for contin-uous monitoring of leaks, or the membrane may be surveyed using non-destructive technologies.OR:Conduct a flood test of the roof, minimum one-inch depth for 24 hours. Verify structure can accommodate the weight of the water prior to testing.ALL YOUR ROOFING SUPPLY NEEDSAVAILABLE EVEN ON SATURDAYSBUILDING VANCOUVER ISLAND SINCE 194722 lROOFINGBClSPRING 2025'