Section
General Provisions
156.01 Application
156.02 Drainage systems
156.03 Submission requirements
156.04 Storm water run-off analysis
156.05 Large areas
156.06 Catch basins, inlets, manholes, and storm sewers
156.07 Culverts
156.08 Open channels
156.09 Natural channels
156.10 Man-made channels
156.11 Detention/retention basins
156.12 Major drainage system
156.13 Standards, specifications, forms, and charts
Administration
156.25 Application for permit
156.26 Plan review and approval procedures
156.27 Inspections
156.28 Bonds
156.29 Revocation of storm water management sediment control plan permit
156.30 Variances
156.31 Final storm water management control plan project approval
Cross-reference:
Storm sewers, see Ch. 51
GENERAL PROVISIONS
(A) All residential subdivisions and industrial land developments shall be provided with a storm water management system which is adequate to serve the area, meet the requirement of design, blend with natural site features, and any other criteria of the village.
(B) Subdivision and land development improvements shall be designed such that after the development is completed, the quantity and rate of water leaving the site at points of hydraulic analysis is no more than if the site had remained in its undeveloped natural state.
(C) If necessary, storage facilities shall be included to assure that this requirement is met.
(D) The developer shall meet submission requirements as hereinafter specified. However, the village may require information more detailed than specified when a better understanding of a situation is needed.
(E) Storm water management systems will be designed for the ultimate use of the land.
(F) The village may require a higher degree of design than specified in these criteria if the resulting drainage systems appear to jeopardize areas of high value or where the design results do not appear adequate to provide safety and protect the health of the residents.
(G) Where a storm sewer, culvert, open channel, catch basin, inlet, manhole, or other drainage structure lies outside the public right-of-way, easements of sufficient size as determined by the Village Engineer shall be provided to assure easy access and maintenance.
(H) Sub-surface drainage such as underdrains may be required at the discretion of the Village Engineer.
(I) Nothing in this chapter shall overturn provisions of Chapter 152, Flood Damage Prevention. If conflicts occur, Chapter 152 shall govern.
(Ord. C-604, passed 9-8-86)
(A) The development of a comprehensive storm water management system requires providing two separate and distinct drainage systems–the minor system and the major system.
(B) The minor drainage system is for collecting and transporting run-off from frequently occurring storms. It includes open channels, street curbs and gutters, and underground storm sewers, manholes, catch basins, culverts, and the like. This system's purpose is to lessen or eliminate inconveniences and safety and health hazards associated with frequent storms. Except where otherwise indicated, the criteria included in these regulations are directed to the design of the minor drainage system.
(C) The major drainage system is to insure that storm water run-off which exceeds the capacity of the minor drainage system has a route to follow that will not cause substantial damage. It must be recognized that the major drainage system exists even when it is not planned and whether or not physical facilities are intelligently located in respect to it.
(Ord. C-604, passed 9-8-86)
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