Following rules may be observed while locating storm water inlets:
•Inlets are constructed from the uppermost point of the gutter section, successively spaced by locating the point where, some of the bypassing flow and the flow from the additional contributing area, exceed the gutter capacity.
•The inlet should be placed at intersections to prevent street cross-flow, which could cause pedestrian and ventricular traffic hazards.
•Inlets are also required where the street cross slope begins to super elevate.
•The inlet should be located at any point where side drainage enters streets and may overload gutter capacity
• Inlets are required to be constructed at all low points in the gutter grade and at median breaks.
•Inlets should be located upstream of the bridges to prevent storm flow on to the bridge deck and down steam of bridges to intercept drainage from the bridge.
•As a matter of general practice, inlets should not be placed within driveway areas.
•Minimum spacing should not be less than 10 m and the maximum should not be greater than 30 m.
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Urban Infrastructure and Network Study notes for M. plan Sem-III
Urban Infrastructures & Network.pdf
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