Roof Drain Detail Massachusetts

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.

Roof drain detail massachusetts.

This system shall be compliant with all federal state and local codes. Typically a low slope roof is designed with one primary roof drain and one secondary roof drain or overflow scupper drainage outlet. Download free high quality cad drawings blocks and details of roof drains organized by masterformat. 21500 q606 roof drain.

Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. 21500 q605 roof drain. 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. Green roof drain planting area pvc standpipe top section is 32100.

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. Tapered backwashes can also help reduce the insulation height at the roof edge. Green roof drain plaza planter perf standpipe mesh covered dome. Green roof drain planting area uses a 2450x 27 series.

Brittle tar will crack and leaks will occur. 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. 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. Please contact us for support in determining which details are most pertinent to your individual project.