The most logical place to put the drain is at the lowest area of the roof.
How to put in a roof drain.
Regardless of the type of leaf filter you have you still need to do regular maintenance to keep it clean from debris.
Size vertical storm drainage piping.
Even though it is called a flat roof it is not actually flat and instead has a very minor slope to it.
To prevent erosion make a rock bed around the end of the tube.
The placement of the drain to other rooftop units should be carefully determined.
Appendix b in the ipc provides rates of rainfall for various u s.
A drain that is placed inside a basin makes for the most practical design the next video shows a quick way to tie an existing drain to a new roof.
It is crucial to have a proper drain for a flat roof.
Screw a drain cover over the end of the tubing as it approaches daylight to keep critters out.
I usually dig a trench about 12 to 14 inches deep for downspout drain lines.
If you have hard clay soil or rocky soil you can use an electric hand held demolition hammer tool to dig a trench.
Step 3 fit the drain.
The roof should slope toward the drain.
One of the most overlooked.
Size horizontal storm drainage piping.
Where the tube passes by the downspout from the gutter we installed a y fitting and drained the roof water from the gutter system directly into the main drainage line.
Flat roof drains scuppers gutters and drainage systems on flat roofs.
A drain strainer must be designed to allow small debris and water to flow freely to the drain.
The drain is typically placed along the edge of the roof but it can be placed anywhere that you think it will do the most good.
Cities based on inches per hour that may fall during a storm of one hour duration and a 100 year return period.