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Home My WebLink AboutCorrespondence PWE 11/21/2012 • • Memorandum City of Springfield Date: 11-21-2012 To: Liz Miller, Urban Planner From: Clayton McEachem, Civil Engineer Subject: TYP1 1 2-0003 6 Buffalo Wild Wings, 2770 Gateway I have reviewed the materials provided with the subject application. The recommended findings and conditions outlined below are provided for your use in preparing the land-use decision. SANITARY SEWER Finding: Pursuant to Chapter 3.03.4.A of the City's Engineering Design Standards and Procedures Manual and Section 4.4 of the City of Eugene Stormwater Management Manual, trash enclosure areas shall be covered and hydraulically isolated from potential stormwater runoff, and directed to the sanitary sewer system. Condition: provide a sanitary drain in the trash enclosure area on the western side of the proposed building. 4 CoV«? Finding: All restaurants in the Eugene/Springfield area that have sewer service installed are required to conform with the MWMC pre treatment program. Condition: Conform to all applicable MWMC requirements for this type of restaurant. Contact Phil Sprague (541-726-3675) for details. STORMWATER MANAGEMENT Finding: Section 4.3-110.B of the SDC requires that the Approval Authority shall grant development approval only where adequate public and/or private stormwater management systems provisions have been made as determined by the Public Works • Director, consistent with the Engineering Design Standards and Procedures Manual (EDSPM). Finding: Section 4.3-110.D of the SDC requires that run-off from a development shall be directed to an approved stormwater management system with sufficient capacity to accept the discharge. Finding: Section 4.3-110.E of the SDC requires new developments to employ drainage management practices, which minimize the amount and rate of surface water run-off into receiving streams, and which promote water quality. Finding: To comply with Sections 4.3-110.D & E, stormwater runoff from the new paving on the site will be directed into a series of infiltration planters prior to discharge into the existing storm water system at the Springfield Mall. Date Received: l Zl 1Z Planner WATER QUALITY Finding: Under Federal regulation of the Clean Water Act (CWA), Endangered Species Act (ESA), and National Pollutant Discharge Elimination System (NPDES), the City of Springfield has obtained a Municipal Separate Storm Sewer System (MS4) permit. A provision of this permit requires the City demonstrate efforts to reduce the pollution in urban stormwater to the Maximum Extent Practicable (MEP). Finding: Federal and Oregon Department of Environmental Quality (ODEQ) rules require the City's MS4 plan address six "Minimum Control Measures." Minimum Control Measure 5, "Post-Construction Stormwater Management for New Development and Redevelopment," applies to the proposed development. Finding: Minimum Control Measure 5 requires the City of Springfield to develop, implement and enforce a program to ensure the reduction of pollutants in stormwater runoff to the MEP. The City must also develop and implement strategies that include a combination of structural or non-structural Best Management Practices (BMPs) appropriate for the community. Finding: Minimum Control Measure 5 requires the City of Springfield use an ordinance or other regulatory mechanism to address post construction runoff from new and re- development projects to the extent allowable under State law. Regulatory mechanisms used by the City include the Springfield Development Code(SDC), the City's Engineering Design Standards and Procedures Manual (EDSPM) and the Stormwater Facilities Master Plan (SFMP). Finding: Section 3.02 of the City's EDSPM states the Public Works Department will accept, as interim design standards for stormwater quality, water quality facilities designed pursuant to the policies and procedures of the City of Eugene Stormwater Management Manual. Finding: Section 3.03.3.B of the City's EDSPM states all public and private development and redevelopment projects shall employ a system of one or more post-developed BMPs that in combination are designed to achieve at least a 70 percent reduction in the total suspended solids in the runoff generated by that development. Section 3.03.4.E of the manual requires a minimum of 50 percent of the non-building rooftop impervious area on a site shall be treated for stormwater quality improvement using vegetative methods. Condition: To meet the pretreatment requirements for stormwater quality the applicant shall install drop in catch basin filters suitable for parking lot runoff in the existing catch basins in the parking lot. Finding: To meet the requirements of the City's MS4 permit, the Springfield Development Code, and the City's EDSPM, the applicant has proposed infiltration planter for the new parking spaces. Finding: The vegetation proposed for use in the infiltration planter will serve as the Date Received: )r2-1-12- Planner: • • primary pollutant removal mechanism for the stormwater runoff. Satisfactory pollutant removal will occur only when the vegetation has been fully established. Condition: Prior to approval of the final site plan, the applicant shall provide an operations and maintenance plan to the City for review to ensure the long-term maintenance and operation of the proposed infiltration planters and drop in catch basin filters. The plan should designate maintenance responsibility for operating and maintaining the system, and should be distributed to all property owners and tenants of the site. Condition: To ensure a fully functioning water quality system and meet objectives of Springfield's MS4 permit, the Springfield Development Code and the EDSPM, the proposed infiltration planters shall be shall be fully vegetated with all vegetation species established prior to approval of final site inspection. Alternatively, if this condition cannot be met, the applicant shall provide and maintain additional interim erosion control/water quality measures acceptable to the Public Works Department that will suffice until such time as the infiltration planter vegetation becomes fully established. PUBLIC STREETS, SIDEWALKS & IMPROVEMENT AGREEMENTS Finding: the applicant is removing the only sidewalk connection to the site from Gateway st. This sidewalk provides access from the EM/X bustop nearby and from pedestrian along Gateway to this location. Condition: the applicant will preserve or replace the sidewalk connection to the public sidewalk on Gateway St. FEES AND PERMITS SYSTEMS DEVELOPMENT CHARGE: Pay applicable Systems Development Charges when building permits are issued for developments within the City limits or within the Springfield Urban Growth Boundary. (The cost relates to the amount of increase in impervious surface area, transportation trip rates, and plumbing fixture units. Some exceptions apply to Springfield Urban Growth areas.) [Springfield Code Chapter II, Article I I] Systems Development Charges (SDC's) will apply to the construction of buildings and site improvements within the subject site. The Charges will be based upon the rates in effect at the time of permit submittal for buildings or site improvements on each portion or phase of the development. OTHER PUBLIC WORKS PERMITS: Land & Drainage Alteration Permits (LDAP). [Contact the Springfield Public Works Department @ 726-5849 for appropriate applications/requirements] Date Received:a. ,-- Planner: • • ADDITIONAL PERMITS/APPROVALS MAY BE NECESSARY: • Metropolitan Wastewater Management Commission (Pump station, sanitary sewers 24 inches or larger) for the pretreatment certification. Date Received: 1I-til 12 Planner: