Open Side Roof Drain

The secondary roof drainage system can be of two methods roof scuppers open sides of parapet walls or secondary roof drains.

Open side roof drain.

Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer. You can also choose to. Scuppers are commonly used on flat roofs that have a parapet or other type of perimeter barrier enclosing the roof. Size vertical storm drainage piping.

Size horizontal storm drainage piping. Main roof drain medium area office buildings. 1 drain water directly into the side port of the unit from a run of perforated or unperforated drain tubing 2 link two or more dry well units together or 3 use it independently with a top drain for small pooling areas. Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.

Select number of roof drains and calculate the roof area sloped to each drain. Scuppers are open holes or channels cut into the roof edge or parapet. The drain inlet at the top photos 5 and 8 is optional. Appendix b in the ipc provides rates of rainfall for various u s.

Soft wire or trimmer cord. The roof is sloped toward the scuppers and water simply drains out through the scuppers. Cities based on inches per hour that may fall during a storm of one hour duration and a 100 year return period. Overflow drains shall be the same size as the roof drains with the inlet flow line two inches above the low point of the roof and shall be installed independent from the roof drains.

By the 1997 edition of the upc section 1101 11 2 had been added that completely prescribed where and how secondary roof drainage was to be provided. When a sunroof drain does become plugged the common signs are either a wet headliner water dripping from the headliner wet roof pillar a damp carpet or water pooling in the foot wells.