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Planning & Development - Storm Water & Infrastructure

SUMMARY OF PROPOSED CHANGES TO OUR
SDS STORM WATER RULES AND REGULATIONS

ST132 & 405 As-Built drawings and Easement Plats will be required prior to Temporary Certificate of Occupancy (TCO) or Certificate of Occupancy (CO) being issued.  Also a Home Owner's Association (HOA) will be required for the maintenance of the storm water detention/retention basins on all Subdivisions.

ST 208 No more than one building permit will be issued in a single family subdivision until all storm sewers are properly installed within the development phases.

ST 301 All new structures shall be reviewed for flood protection prior to the issuance of a Building Permit.

ST 303 & 402 All downspout collector lines and all individual downspout and sump pump tees are to shown on the Subdivision Improvement Plan.

ST 306 An investigation of property downstream of any storm outfall will be required.

ST 316 NOT USED

ST 405 Exemption calculation increased to 850 CF by comparing a pre Q10 to a post Q100 year storm.

ST 413 Detention facilities must be installed at the grading stage.

ST 415 Conduit backfill must comply to ODOT 203.02 and 603.11 specifications and be certified by a Geotechnical Engineer.

ST 703 & 713 High Density Polyethylene (HDPE) storm pipe allowed within public storm system.

ST 711 100 year storm capacity required for all storm water detention facilities. Storm water detention as-built specifications requirements defined.

ST 802 & 807 100 year storm capacity required for all drainage channels.  Storm water channel velocity protection defined.

ST 808  All Section A-A emergency overflow swales within subdivisions are to be directed to the property line. No diagonal swales across the front of single-family lots will be permitted. Also a note shall be on the improvement plans indicating that no utility boxes are to be placed within Section A-A swales.

ST 1104  Sediment basins must be separate facilities from detention facilities.

ST 1202  Applicant is responsible for payment of inspection cost for Public or Private storm drainage systems within subdivisions.

Exhibit 1
Number 5 ASTM or AASHTO number must be stamped by the manufacturer prior to shipment for field verification.
Number 11 A Home Owner's Association (HOA) will be required for the maintenance of the storm water detention/retention basins on all Subdivisions.
Number 19 No improvements within flood route ditches or swales.

Exhibit 3 Subdivision Check List Design Aid

Exhibit 12 Private Storm Water Detention/Retention Maintenance Checklist.

Exhibit 13 and 14 NOT USED

Exhibit 30 Rock Channel protection expanded.

Exhibit 33 Detention/Retention volume increased to a 100 year storm.
 

Click here for a Summary of our Regulations in PDF format.