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BLD20161496_ENG1.pdf CITY OF EDMONDS PLAN REVIEW COMMENTS ENGINEERING DIVISION (425) 771-0220 City Website: www.edmondswa.gov DATE:March 9, 2017 TO:Jeff Vehrs jeffvehrs@frontier.com FROM:Jennifer Lambert Jennifer.lambert@edmondswa.gov RE:Application #: BLD20161496 Project: Vehrs-Single Family Residence Project Address: 546 Forsyth Ln During review of the above noted application, it was found that the following information, corrections,or clarifications are needed. Reviews by other divisions, such as Planning, Building, or Fire may result in additional comments. Please redline plans or submit three (3) sets of revised plans/documents with a written response to each of the items below to a permit coordinator. nd Resubmittals can be made at the Development Services Department on the 2floor of City Hall.Permit Center hours are M, T, Th & F from 8am-4:30pmand on Wednesdays from 8:30am-noon. City of Edmonds handouts, standard details and development code can be referenced on the City website. ***To assist in review times, please only submitsheets that have been revised*** SITE PLAN 1)The impervious area proposed for the driveway is not consistent with the Civil Plans. Please revise the plans accordingly. 2)As changes are made to other plan sheets, please revise this plan sheet accordingly. TESC 1)Show the construction entrance. 2)Please reference Edmonds Standard Detail E1.3 for thefilter socks that shall be added to any catch basins downstream from the construction site. 3)Please add a note to the plans that all disturbed soils will be compost amended. WATER 1)Please label the size of meter to be installed. 2)Please label the size of water service line (minimum of 1” at 160psi is required) to be installed. 3)Please label the pipe material and note tracer wire to be installed on the water service line. SEWER 1)Please show the invert elevations at the house so that slope (minimum 2%) and coverage (minimum 2’) can be verified. If the slope of the pipe exceeds 20% the pipe will need to be anchored. 2)Please label the pipe material for the side sewer. STORM 1)Label the pipe material for all storm pipes. 2)Show invert elevations for all pipes at the stubs and the house. Please note that a minimum of 2’ of cover is required for all pipe under driveable surfaces and 1’ of cover under landscape areas. 3)Please provide a cross section detail of the detention system located under the permeable driveway. 4)Please provide the required depth of pervious pavement on the permeable cross section detail. Page 2of 4 STORMWATER REPORT The following comments are provided from Robert C. Edwards, PE, Stormwater Engineer. Please contact Robert directly at 425-771-0220 or by email at robert.edwards@edmondswa.govwith any specific questions you may have regarding these comments. This is classified as a Category 2 Small Site because it proposes impervious area exceeding 5,000 SF. Category 2 Small Site Projects are subject to Small Site Minimum Requirements 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11. Minimum Requirement #1 –Preparation of Stormwater Site Plan Comments: 1.Provide Technical Information Report per Section 5.0 of the City of Edmonds 2010 Stormwater Supplement. The report must be prepared and stamped by a professional engineer licensed in the State of Washington in Civil Engineering. 2.Drainage plan must be stamped by a professional engineer licensed in the State of Washington in Civil Engineering 3.Provide permeable pavement detail on drainage plan as prepared by a professional engineer licensed in the State of Washington in Civil Engineering. See the City of Edmonds handout E72B for guidance. Minimum Requirement #2 –Construction Stormwater Pollution Plan Comments: 1.Provide Construction Stormwater Pollution Prevention Plan per Section 5.2 of the City of Edmonds 2010 Stormwater Supplement. The plan sheet(s) are to be separate from the drainage plan sheet(s). 2.Provide detail for catch basin inlet protection BMP. Minimum Requirement #3 –Source Control of Pollution Comments: None Minimum Requirement #4 –Preservation of Natural Drainage Systems Comments: None Minimum Requirement #5 –Onsite Stormwater Management Comments: None Minimum Requirement # 6 –Runoff Treatment Comments: None Minimum Requirement #7 –Flow Control Comments: None Minimum Requirement #8 –Wetland Protection Page 3of 4 Comments: None Minimum Requirement #9 –Operation and Maintenance Comments: 1.Provide O&M for permeable pavement in drainage report. Minimum Requirement # 10 –Offsite Analysis and Mitigation Comments: None Minimum Requirement #11 –Financial Liability Comments: None DRY UTILITIES 1)Please add a note that a minimum of 3’ separation is required between the dry utilities (power, gas, phone, cable, etc.) and sewer, water, and storm and 5’ from any City main lines. Page 4of 4