(A) Manholes shall be installed to provide access to continuous underground storm sewers for the purpose of inspection and maintenance. Manholes shall be provided at the following locations:
(1) Where 2 or more storm sewers converge;
(2) At the point of beginning or at the end of a curve, and at the point of reverse curvature (PC, PT, PRC);
(3) Where pipe size changes;
(4) Where an abrupt change in alignment occurs;
(5) Where a change in grade occurs; and
(6) At suitable intervals in straight sections of sewer.
(B) The maximum distance between storm sewer manholes shall be as follows:
Size of Pipe (inches) | Maximum Distance (feet) |
12 through 42 | 400 |
48 and larger | 600 |
(Ord. 1995-10 § X E, passed 10-13-1995)