Roof Drain Detail Massachusetts

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 roofing causing roofing membranes to flex and fail.

Roof drain detail massachusetts.

Download free high quality cad drawings blocks and details of roof drains organized by masterformat. Csi divisions division 22 22 14 26 13 roof drains manufacturers of roof drains browse companies that make roof drains and view and download their free cad details revit bim files specifications and other content relating to roof drains as well as other product information formated for the architectural community. This system shall be compliant with all federal state and local codes. 21500 q606 roof drain.

Tapered backwashes can also help reduce the insulation height at the roof edge. We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats. Green roof drain planting area pvc standpipe top section is 32100. Brittle tar will crack and leaks will occur.

21500 q605 roof drain. Please contact us for support in determining which details are most pertinent to your individual project. Green roof drain plaza planter perf standpipe mesh covered dome. Interior roof drains is determined by structural requirements limiting deflec tion and by plumbing requirements based on vertical drain leader diame ter roof slope roof area per drain and rainfall rate.

Typically a low slope roof is designed with one primary roof drain and one secondary roof drain or overflow scupper drainage outlet. Backwash detail backwash overlayed on adjacent flat over structural slope when roof drains are located a great distance away from a sloped roof edge more than 48 it can be more cost effective to use a tapered backwash. When a secondary roof drainage system is installed it shall discharge independent of the primary building storm system and shall terminate a minimum of 18 above grade in an area that will be visible to the people who occupy the building. 21500 q602 roof drain.