Laserfiche WebLink
e <br /> SECTION 4 <br /> DOCUMENTATION <br /> Design calculations shall be submitted at the time plans for <br /> storm drainage facilities are submitted for approval . These <br /> calculations shall include : <br /> 4. 1 Drainage map showing <br /> a . All lines and inlet points <br /> b. Drainage areas contributing to each inlet point <br /> c . Designations for the above <br /> 4 .2 Storm calculation sheet (see Fig. 4-1 for form) showing: <br /> a . Drainage area in acres <br /> b . Time of concentration <br /> C . Runoff coefficient for each area <br /> d . Flow rate to each structure <br /> e . Flow rate and velocity in each pipe <br /> f. Pipe diameter, length and slope <br /> g. Flow line elevation of each pipe at structure <br /> h. List of assumptions , if any, which effect the design <br /> 4-1 <br />