Roof Drainage Design Guide Canada

Factors which affect proper roof drainage are deck slope drain size and placement of drains.

Roof drainage design guide canada.

Size vertical storm drainage piping. Size horizontal storm drainage piping. Select number of roof drains and calculate the roof area sloped to each drain. Flat roof drainage system specifications designs troubleshooting problems solutions for interior drains on flat building roofs flat roof drains scuppers and screens questions answers about keeping the flat roof drainage system working or about installing new drains in a flat roof.

Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. The full flow capacity of a drain is not realized until the water reaches approximately 2 5 above the inlet in a four inch drain and 3 5 in a six inch drain. As architects look to green roof systems and their potential in projects we ve created this handy guide as an introduction into green roof systems. The roof drainage design guide can go up against different style that when nitty gritty right can ooze a cutting edge feel.

When placing roof drains it is good design practice to locate the drains no more than. It is critical that the selected system sufficiently satisfy all of the criteria. First off the roof drainage design guide is an extremely basic direct and utilitarian design every single current trademark. Drainage solutions watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application.

Most buildings utilize a minimum 20 year roof design life. Main features roof drainage design guide. Implications of sustainable roof design. Cities based on inches per hour that may fall during a storm of one hour duration and a 100 year return period.

Roof system design life should be a starting point in the selection of roof systems. Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor. Appendix b in the ipc provides rates of rainfall for various u s.