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// CODE SNIPPET

1110.1 Equivalent Roof Area

DC Plumbing Code 2013 > 11 Storm Drainage > 1110 Values for Continuous Flow > 1110.1 Equivalent Roof Area
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Where there is a continuous or semicontinuous discharge into the building storm drain or building storm sewer, such as from a pump, ejector, air conditioning plant or similar device, each gallon per minute (L/m) of such discharge shall be computed as being equivalent to 96 square feet (9 m2) of roof area, based on a rainfall rate of 1 inch (25.4 mm) per hour.

Related Code Sections


1110.1 Storm Drainage, Equivalent Roof Area
) of roof area, based on a rainfall rate of 1 inch (25.4 mm) per hour ...
DC Plumbing Code 2013 > 11 Storm Drainage > 1110 Values for Continuous Flow > 1110.1 Equivalent Roof Area
Section 1109 Storm Drainage, Combined Sanitary and Storm System
shall be converted into an equivalent projected roof or paved area. Where the total fixture load on the combined drain is less than or equal to 256 ...
DC Plumbing Code 2013 > 11 Storm Drainage > 1109 Combined Sanitary and Storm System
602.4.5 Types of Construction, Roofs
Roofs shall be without concealed spaces and wood roof decks shall be sawn or glued laminated, splined or tongue-and-groove plank, not less than 2 ...
DC Building Code 2013 > 6 Types of Construction > 602 Construction Classification > 602.4 Type IV > 602.4.5 Roofs
R316.5.2 Building Planning, Roofing
and identified as Exposure 1, with edges supported by blocking or tongue-and-groove joints or an equivalent material. The smoke-developed index for roof ...
DC Residential Code 2013 > 3 Building Planning > R316 Foam Plastic > R316.5 Specific Requirements > R316.5.2 Roofing
R316.5.2 Building Planning, Roofing
, identified as Exposure 1 and with edges supported by blocking or tongue-and-groove joints or an equivalent material. The smoke-developed index for roof ...
DC Residential Code 2017 > 3 Building Planning > R316 Foam Plastic > R316.5 Specific Requirements > R316.5.2 Roofing
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