Roof Leader Design

This reveals that the minimum size for the leader pipe is 5.

Roof leader design.

Square feet that can be drained by one roof leader at the local maximum rainfall rate. 558 a detail of leader pipe and downspout with underground outlet 17 558 b detail of leader pipe and downspout with splash pad 18. Flat roof normally for a flat roof with a 30 lbs. If the result is a fraction less use the next higher number.

Design load the water depth or build up would be limited to 3 in. Section 101 5 of the ipc tells us not to reduce the pipe size in the direction of flow. During design an engineer or architect should lay out a roof drain system consistent with the structural design of the roof. This keeps the load down to approximately 25 lbs.

Leader design studio is a full service architecture firm. But this isn t the whole story. Keep the following considerations in mind for different roof types. Leader design studio is a sarasota florida based architecture firm well known for its warm modern sustainable designs.

Divide the total roof area by the area that one leader will handle. To size the vertical roof drain for the same parameters 5 000 square feet of room area and 6 per hour of rain consult table 1106 2 figure 3. We specialize in new residences coastal construction extensive renovations condominium renovations professional off. Please note always use a safety harness barrier.

Select type of gutter to be used. The above result is the number of roof drains required for the building. Each leader must be large enough to handle the volume of water to be drained the greater the leader capacity the fewer roof drains are needed. Innovative woodworker jeremy broun undertakes repairs to his roof keeping costs down high up.

In general roof drains are spaced equally and are located in low points of the roof or in any areas where water accumulates. Determine peak runoff from each roof for the design storm selected.