28-14 Amend Chp. 1339 Storm Water Mgmt

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achieved which, in the opinion of the City Engineer, has 70% vegetative density over the entire disturbed area and provides adequate cover, and is mature enough to satisfactorily control soil erosion and survive adverse weather condi- tions. (o) Disposition of Temporary Practices: All temporary soil erosion and sedi- ment control practices shall be disposed of immediately after final site stabiliza- tion is achieved or after the temporary practices are no longer needed, unless otherwise required by the City Engineer. Trapped sediment shall be permanently stabilized to prevent further erosion. The Construction Maintenance Guarantee shall not be released by the City of Lakewood until all temporary soil erosion and sediment control practices that are no longer needed have been removed, properly disposed of and any trapped sediment has been stabilized. (p) Underground Utility Construction: The construction of underground utility lines, pipes, etc. shall be subject to the following criteria: (1) Trenches shall remain open for no more than five days, unless approved by the City Engineer. (2) There shall be no turbid discharges to surface waters resulting from de- watering activities. If trench or ground water contains sediment, it must pass through a sediment settling pond or other equally effective sediment control de- vice, prior to being discharged from the construction site or to waters of the state. (3) When discharging clean ground water care must be taken to ensure that it does not become pollutant laden by crossing over disturbed soils or other pollu- tant sources. (q) Inspections: In general, inspections will be performed in accordance with the Ohio EPA Construction Site Inspection Checklist. (1) If inspections or other information indicates a control has been used inap- propriately or incorrectly or it has failed, it must be replaced or modified for the site conditions. (2) The owner of the development area shall have the site inspected for soil ero- sion, sediment control and other environmental concerns every seven (7) calen- dar days, and within twenty -four (24) hours of a 0.5 inch or greater rainfall event until the City Engineer certifies the site as being stable. The City Engineer certi- fication does not relieve the permittee from meeting the Ohio EPA NPDES in- spection requirements. (3) The owner, or his designated representative, shall keep a written log of each inspection and any subsequent improvements to the soil erosion, sediment con- trol or other environmental controls. The inspections shall include the date of the inspection, the name of the inspector, weather conditions, and the actions needed to correct the identified problems. (4) The inspection log will include the date and actions taken to correct prob- lems noted in past inspection logs. (5) If the construction site is subject to Ohio EPA's National Pollutant Dis- charge Elimination System (NPDES) permit for construction activity, a copy of 18