Roof Drainage Design Guide Canada

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.

Roof drainage design guide canada.

While not diving into the specifics of drainage flow rates the performance of growing mediums or technical waterproofing details the guide introduces architects and designers to the. Size vertical storm drainage piping. Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. Select number of roof drains and calculate the roof area sloped to each drain.

Size horizontal storm drainage piping. Roof system design life should be a starting point in the selection of roof systems. Zurn engineered water solutions is a recognized leader in commercial municipal and industrial markets. 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.

Drainage solutions watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application. Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor. Implications of sustainable roof design. Factors which affect proper roof drainage are deck slope drain size and placement of drains.

Main features roof drainage design guide. When placing roof drains it is good design practice to locate the drains no more than. Cities based on inches per hour that may fall during a storm of one hour duration and a 100 year return period. It is critical that the selected system sufficiently satisfy all of the criteria.

Most buildings utilize a minimum 20 year roof design life. First off the roof drainage design guide is an extremely basic direct and utilitarian design every single current trademark. Appendix b in the ipc provides rates of rainfall for various u s.