Structures for drainage shall be constructed in such locations
and of such size to adequately serve the subdivision and the contributing
drainage area. The registered professional engineer shall make drainage
calculations based on a twenty-five (25) year storm.
(2001 Code, sec. 10.1201)
(a) Enclose all existing open drainage ditches in concrete or corrugated
metal structures of such size as will adequately serve the subdivision
and adjacent drainage area; or
(b) Make an escrow deposit with the city secretary of sufficient funds
to perform such work upon the understanding that such work will be
done by him within eleven (11) months following the approval of the
final plat, or the city will be authorized to use said escrow deposit
to perform work; or
(c) Furnish a bond to the city secretary, payable to the city in an amount
sufficient to perform such work as determined by the city manager,
conditioned that he will have the work done according to specifications
within eleven (11) months following the approval of the final plat.
(d) Both items (b) and (c) will be based on two (2) estimates from reliable
contractors and approval by the city manager. Under no terms shall
the deposit or bond be less than pipe diameter in inches times pipe
length in feet times 0.75.
(2001 Code, sec. 10.1202)
Storm sewers shall be provided and curb inlets located so as
to properly drain all streets and intersections. Sufficient curb inlets
shall be provided so as to limit the maximum length of water flow
on paved streets to five hundred feet (500'). The size and location
of all sewers and curb inlets shall be approved by the city manager.
(2001 Code, sec. 10.1203)