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Rooftop detention
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Manual Saliran Mesra Alam (MSMA)
redac.eng.usm.myDetention and retention storages may be classified on the basis of their location and size as follows (Figure 18.2): (i) on-site storage : small storages constructed on individual residential, commercial, and industrial lots ... Rooftop Car Parking and Driveway Areas Landscaped Area Surface Tank Figure 18.3 Typical OSD Storage Facilities 3.4 ...
Guidelines for the Design and Construction of Stormwater ...
www1.nyc.govRooftop System Layout and Design Roof materials, waterproofing, and loading capacity important elements of design Roof slope and configuration can have a major impact on available storage volume Secondary (emergency) scuppers or roof drains important to comply with Construction Codes For a given depth of flow, d R, the storage volume V a