28-14 Amend Chp. 1339 Storm Water Mgmt

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pacity equal to 110 percent of the volume of the largest container in the storage area. All additional requirements of the local fine authority must be followed. If the fuel tanks have a self - contained "dike," the plug will be kept in the "dike" tank at all times. (4) Any toxic or hazardous wastes and contaminated soils must be dis- posed of according to all applicable environmental laws and statutes. Local health districts and Ohio EPA can provide guidance on these is- sues. (5) On a site with a prior industrial land use or a site that is contaminated with gasoline, fuel oil, hydrocarbon based chemicals or other Ohio EPA regulated contaminates, the storm water is considered wastewater. A permit from Ohio EPA is required to address these sites. (6) Proper permits shall be obtained for development projects on solid waste landfill sites. (7) Paint, paint washing liquids, excess paints and other paint wastes are considered solid wastes and shall be disposed of in accordance with ap- plicable state regulations. Appropriate handling of these wastes shall occur at the site so as to prevent the discharge of these wastes into sur- face or ground waters. (8) Restroom facilities will be provided for site workers at all times that workers are present on the site and during all phases of the construc- tion. (9) All required permits from appropriate federal, state, or local agencies are required to develop land with a previous industrial or commercial use or another use that may have led to soil contamination by a regulat- ed pollutant. (x) Pre - winter Stabilization: If the development area will, or is planned to re- main, active through the winter months, the owner of the development area shall hold a pre - winter stabilization meeting. The meeting will be held be- fore October 1. The owner shall invite the operator, developer, engineer, contractor, city engineer and anyone else requested by the city engineer to the meeting. (y) Storm Water Basins: (1) Pool Geometry: The minimum length -to -width ratio for the pond is 3:1 (the length will be three times the width). (2) Riser in Embankment: The riser shall be located within the embank- ment for purposes of maintenance access. Access to the riser will be by manholes. (3) Water Drains: Each retention basin shall have a drainpipe that can completely drain the pond. The drain shall have an elbow within the pond to prevent sediment deposition from plugging the drain. (4) Adjustable Gate Valves: Both the storm water management and water quality basin drains shall have adjustable gate valves. Valves shall be located inside the riser at a point where they will remain dry and can be 49