(a) The design criteria will be based upon information obtained from the “Ohio State Highway Department Manual of Location and Design”.
(b) Run-off or design discharge for sewer design, where the contributing area generally consists of pavement and a narrow strip back of the pavement, shall be obtained from the rational formula: Q = CiA.
(c) Peak rates of run-off watersheds under 1,000 acres shall be obtained from the following formula:
Q= RF x CF x Ff x Q.
(d) The following design frequencies are to be used:
Roadway ditches 2 years Storm sewers 5 years Culvert under roadways 25 years Water courses 10 years. |
(Ord. 1500. Passed 12-14-99.)