(a) Storm sewers shall be constructed of vitrified clay pipe (V.C.P.) or reinforced concrete pipe (R.C.P.) according to the specifications of the City Engineer, depending on the length of pipes required and the grade of the street.
(b) A minimum of six-inch "Y" pipes of V.C.P. or R.C.P. shall be provided for each building lot for storm drains. A minimum of five-inch "Y" pipes of V.C.P. or R.C.P. shall be provided for each building lot for sanitary sewers.
(c) Storm and sanitary sewers shall be separated and each system shall be independent of the other.
(d) Manholes for each sewerage system shall be provided every 300 feet. Construction shall be of masonry or precast concrete and solid cast iron. Standard size manhole covers shall be used.
(e) Inlet basins shall be provided in lieu of catch basins. Inlet basins shall be on one side of a street every 300 feet, or an average of 300 feet or adjusted more or less as required by the City Engineer to meet drainage requirements in accordance with accepted engineering practices. Such basins shall be of masonry construction to a depth of four feet and shall be covered by standard size grate-type cast-iron covers.
(f) Requirements for sealer joints of storm and sanitary sewers and the type and materials for test tees shall be prescribed by the City Engineer to permit the use of the latest materials developed for the best operation of such systems fairly consistent with the expense of such pipe or test tees in general use.
(g) Drainage culverts may be V.C.P., R.C.P. or corrugated metal pipe (C.M.P.), according to the specifications of the City Engineer.
(Ord. 1967-198. Passed 3-6-68.)