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Condition
CE 3.7: Standing Water on a Flat Roof
Article Type
Common Element
Article Number
3.7
Performance
Flat roofs shall be installed to drain water. Standing water on roofs designed for water retention is acceptable.
Warranty
One -Year – Work and Materials
Action
Roofs not meeting the acceptable condition shall be repaired.
Remarks
Flat roofs typically are slow to drain and should be constructed to handle exposure to standing water over short terms. Municipalities can require flow control devices to be installed on roof drains. Some standing water is normal and should generally dissipate after a few days.

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