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Ponding on NBCC

Ponding on NBCC

Ponding on NBCC

(OP)
How would one take into account ponding on roof slab and its supporting beams when using the NBCC?

Thanks.

Clansman

If a builder has built a house for a man and has not made his work sound, and the house which he has built has fallen down and so caused the death of the householder, that builder shall be put to death." Code of Hammurabi, c.2040 B.C.

RE: Ponding on NBCC

Simple load distribution for 6" on water retention. Although it is not flat 6" as high and low line in case of steel structure are decided for 2% slope for drainage. In fact this is maximum at low line, so the depth above 6" to be drained by scuppers in case of regular clogged drains.

RE: Ponding on NBCC

And pray to God that the scuppers don't ice up!

Mike McCann
MMC Engineering

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