8.1. SR 11-04-2013 - Laserfiche WebLink

Home Browse Search

Maintenance Memorandum. However,it is not reference in the City's Ordinance. The Deputy Director of Community Operation and Development will work with the City Engineer to draft this amendment using the MPCA model ECS ordinance as a guideline. The amended ordinances will be place on the City Council's meeting agenda for approval within 12 months following the date permit coverage is extended. C. (3.), (8.), are addressed in the Construction Erosion and sediment control checklist in Appendix D of the SWPPP. However, they are not reference in the City's Ordinance. Following the same procedures as for(1), the ordinance will be amended to include the use of BMPs for dewatering activities and criteria for use of temporary sediment basins. Post-construction stormwater management A. Do you have a regulatory mechanism(s)to address post-construction stormwater management activities? ®Yes ❑ No 1. If yes: a. Check which type of regulatory mechanism(s)your organization has (check all that apply): ® Ordinance ❑ Contract language ® Policy/Standards ❑ Permits ❑ Rules ❑ Other, explain: b. Provide either a direct link to the mechanism selected above or attach it as an electronic document to this form; or if your regulatory mechanism is either an Ordinance or a Rule, you may provide a citation: Citation: City Code:Sec. 30-416. Excavation, grading and erosion control. City Code:Sec. 30-2175. Post construction stormwater management City of Elk River Design Standards Direct link: http://library.municode.comlindex.aspx?clientld=13427&stateld=23&stateName=Minnesota ❑ Check here if attaching an electronic copy of your regulatory mechanism,with the following file naming convention: MS4NameHere PostCSWreg. B. Answer yes or no below to indicate whether you have a regulatory mechanism(s)in place that meets the following requirements as described in the Permit(Part III.D.5.a.): 1. Site plan review: Requirements that owners and/or operators of construction activity submit ®Yes ❑ No site plans with post-construction stormwater management BMPs to the permittee for review and approval, prior to start of construction activity. 2. Conditions for post construction stormwater management: Requires the use of any combination of BMPs,with highest preference given to Green Infrastructure techniques and practices (e.g., infiltration, evapotranspiration, reuse/harvesting, conservation design, urban forestry, green roofs, etc.), necessary to meet the following conditions on the site of a construction activity to the Maximum Extent Practicable (MEP): a. For new development projects—no net increase from pre-project conditions (on an annual ❑ Yes ® No average basis)of: 1) Stormwater discharge volume, unless precluded by the stormwater management limitations in the Permit(Part III.D.5.a(3)(a)). 2) Stormwater discharges of Total Suspended Solids(TSS). 3) Stormwater discharges of Total Phosphorus (TP). b. For redevelopment projects—a net reduction from pre-project conditions (on an annual ❑ Yes ® No average basis)of: 1) Stormwater discharge volume, unless precluded by the stormwater management limitations in the Permit(Part III.D.5.a(3)(a)). 2) Stormwater discharges of TSS. 3) Stormwater discharges of TP. 3. Stormwater management limitations and exceptions: a. Limitations 1) Prohibit the use of infiltration techniques to achieve the conditions for post-construction ❑ Yes ® No stormwater management in the Permit(Part III.D.5.a(2))when the infiltration structural stormwater BMP will receive discharges from,or be constructed in areas: a) Where industrial facilities are not authorized to infiltrate industrial stormwater under www.pca.state.mn.us 651-296-6300 800-657-3864 TTY 651-282-5332 or 800-657-3864 • Available in alternative formats wq-strm4-49a • 5131113 Page 5 of 17