Roof Drainage System Design

From the very dawn of building construction it has been necessary to incorporate some method of gathering and discharging rainwater from the roof of a structure.

Roof drainage system design.

A typical commercial or multifamily residential building will utilize one of the following types of primary roof drainage. It is important for architects plumbing engineers and civil engineers to work together to design a system that will properly drain rainwater from a building and site. Hence this is by far the most common roof drainage situation. The design event used for sizing a roof drainage system will therefore not normally come out of a clear blue sky and then end equally suddenly but will have been preceded by a period of less intense rainfall.

A roof drain system s primary function is efficient water removal but in most cases it must also offer aesthetic appeal and on deck workspace. Establishing a minimum slope is critical because most steep slope roofing as. There are various approaches that can accomplish this balancing act but each offers its own advantages disadvantages depending on a number of factors. Functioning drainage system for steep slope roofs is to maintain a minimum roof slope.

Roof drainage is one of the fundamental considerations of building design.