Drainage Gutter Design
5 inch 5 520 square feet.
Drainage gutter design. Design of roof drainage systems roof drainage the roof is one of the most essential parts of a building as it protects occupants contents and interior of the structure from the elements. They determine the roof area slope and rainfall intensity. On larger and more complex schemes specialist consultants may be employed to design the rainwater drainage system. Working with manufacturers will help develop your understanding but don t delegate your design responsibility to them.
Keep your water on your own property if at all possible draining your excess water away to the street or a ditch seems like a simple solution but it just transfers your problem to others. Also your lawn trees and plants will be healthier if you have created a store of rain water in the. Install a french drain one of the top yard drainage solutions to divert water away from problem areas. Design principles for roof drainage systems.
The inlets are located at points spaced. The storm drain system consists of surface inlet structures connected to an underground pipe system. Always fix foundation and gutter drainage issues first. If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Featuring durable vinyl construction this extension can be buried bent or connected to additional sections. That line eventually emptied into the low spot in the back yard. Once all the parts of the drainage system were installed we covered the tubes with several inches of rock. Find a place to put the downspouts and mark their location with an o on the design.
The flexible design easily bends and holds its shape and can be extended from 25 in. 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. Use this downspout extension to divert water away from the foundation or connect to drainage pipe and catch basin to control drainage. You will need to have a downspout for every 20 feet of gutter and turns in the gutter add 1 foot to the total.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. The primary aim of storm drain design is to limit the amount of water flowing along gutters or ponding at sags to quantities which will not interfere with the passage of traffic for a common design storm. The most common location for the downspouts is the corners of the house since it is easier to move the water away from the house there. Once an architect has determined the kind of roof he intends to use he must give equal attention to the design of the roof drainage system.
The building type its appearance and location have a direct influence on the design of the roof drainage system. Parapet and valley gutters are treated differently because they have a higher risk of failure.