Given that a flat roof is never flat but is always sloped to drain the drain will be lower than the elevation of the perimeter of the roof.
Roof drains elevation view.
Download free high quality cad drawings blocks and details of roof drains organized by masterformat.
Copper hercules bur detail drawing dwg 637 27 kb copper hercules bur detail drawing dxf 568 36 kb copper hercules bur detail drawing pdf 124 16 kb copper hercules epdm detail drawing dwg 571 42 kb copper hercules epdm detail drawing dxf 517 04 kb.
Zurn industries llc roof drains and accessories cad details the zurn industries llc cad details below are complete drawings that can easily be downloaded customized for your residential or commercial project and included in your cad library for future use.
Roof drains for installation in these types of roofs should be equipped with a water dam watertight open top collar either internal or external of the dome with its flood level at the prescribed elevation above deck to serve as a dam to retain the desired amount of water on the roof.
At least 10 of the total parking spaces but not less than one shall be electric vehicle charging spaces capable of supporting future evse and shall be identified on construction documents.
This is demonstrated in figure 2.
Calculations for the number of electric vehicle charging spaces shall be rounded up to the nearest whole number.
In the case of a building without a parapet this height would be zero.
Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax.