(A) The property owner shall provide a storm drainage system that is acceptable to the Village Engineer, which shall include storm water detention.
(B) The storm drainage system shall be adequate to properly drain the property and all other upstream areas that are tributary to the property. Runoff from such upstream areas shall be calculated as if they were fully developed according to their existing zoning classifications.
(C) The storm drainage system shall be designed using a minimum five-year storms at the upstream end of the system and a minimum 25-year storm for the main collector of the system.
(D) The storm drainage system discharge onto adjacent downstream properties shall be designed so as not to increase the rate of runoff in conformance with the drainage laws of the state.
(E) The storm drainage system discharge points shall be provided with erosion control and velocity dissipation structures adequate to prevent damage to downstream properties.
(F) Drainage structures shall be as specified by the village or as approved by the Village Engineer.
(G) All storm sewer construction shall be performed in accordance with the “Standard Specifications for Road and Bridge Construction” of the state Department of Transportation, latest edition. All storm sewers shall be backfilled with approved trench backfill material and compacted by approved methods in accordance with the “Standard Specifications for Road and Bridge Construction” of the state Department of Transportation, latest edition.
(H) All field tiles encountered during construction shall be repaired, rerouted or connected to the nearest storm drainage pipe as directed by the village, with the size, location, and depth to be indicated on the as-built plans and protected from further damage.
(Ord. 10-09-01, passed 10-09-2001
; Ord. 21-04, passed 3-8-2021
)