roof drain coverage area
An additional roof drain should be added for each 10000-square-foot area. Oatey PVC Roof Drain offers superior drainage with robust debris protection.
Slope Ratio Roof Drain Roof Design Details
Area roof will require 100000 3070 325 or 33.
. Oatey PVC Roof Drains. Roof drains from Zurn include combination-primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Roof drains must be firmly secured to the roof with an underdeck clamp otherwise due to snow loads rain loads and reg - ular expansion and contraction the drain will work in and out of the.
Where scuppers are used for secondary emergency overflow roof drainage the quantity size location and inlet elevation of the scuppers shall be sized to prevent the. When placing roof drains it is good design practice to locate the drains no more than 50 feet from the roof perimeter nor more than 100feet apart. Therefore the 100000 sq.
The drains should be placed at a maximum of 75 feet in each direction away from each other. Each 4 drain size in a 6 hourly rainfall area will accommodate drainage of 3070 sq. It is important to remember that no roof.
A dome free-flow area over 200 square inches available in cast iron or plastic.
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