28-14 Amend Chp. 1339 Storm Water Mgmt

Home Browse Search

through the use of pervious pavement or green roofs. Where projects are a combination of new development and redevelopment, the total WQv that must be treated shall be calculated by a weighted average based on acreage, with new development at 100 percent and redevelopment at 20 percent WQv. (s) Alternative Actions: Where the city engineer determines that site constraints exist in a manner that compromises the intent of this regulation to improve the management of storm water runoff as established in this regulation, practical alternatives may be used to result in an improvement of water quality and a reduction of storm water runoff. Such alternatives must be in keeping with the intent and likely cost of those measures that would other- wise be required to meet the objectives of this section. All practical alterna- tives shall be implemented within the drainage area of the proposed devel- opment project unless specifically authorized in writing by the city engi- neer. (t) Implementation of off -site storm water management practices: The use of any off -site post - construction BMPs requires written approval from Ohio EPA and this approval must be received prior to design approval and issu- ance of any building permits. Practical alternatives to be considered include: (1) Retrofitting of an existing storm water management practice. (2) Watershed or stream restoration. (3) Fees paid in an amount specified by the city engineer. The City shall apply these fees to storm water management practices that improve the existing water quality. (u) Use of Alternative Post - Construction BMPs: Pernnittees must supply written approval from Ohio EPA to use post - construction BMPs that have been demonstrated to be equivalent to the effectiveness of those listed in Table 2 above. Approval from Ohio EPA must be received prior to design approval and issuance of any building permits. (v) Other practices approved by the city engineer may be made a part of the comprehensive storm water management plan in keeping with the intent of this section. (w) Application Procedures for Post-Construction Water Quality Plans: (1) This plan will be combined with the soil erosion and sediment control, storm water management, riparian setback and wetland setback plans that have also been developed for the site. (2) Plans developed by the site owners and approved by the City in accord- ance with this regulation do not relieve the site owner of responsibility for obtaining all other necessary permits and approvals from federal, state, county, and local agencies and departments. If requirements vary, the most stringent requirement shall be followed. (3) The site owner shall submit a report from the local county soil and wa- ter conservation district, which reviews the owner's development, plans and improvement plans. The applicant or his or her designated repre- sentative will pay any costs associated with obtaining the report(s) from 66