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BLD20151302-Jimenez_ENG1.pdf CITY OF EDMONDS PLAN REVIEW COMMENTS ENGINEERING DIVISION (425) 771-0220 City Website: www.edmondswa.gov DATE:November 3, 2015 TO:Kristin Hanson hansondesign@hotmail.com FROM:Jennifer Lambert Engineering Technician RE:Application #: BLD20151302 Project: Jimenez -Addition th Project Address: 7520–215St SW 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 and Building, 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-4:30pm. The Permit Center is closed on Wednesdays. City of Edmonds handouts, standard details and development code can be referenced on the City website. Please Note:Building Handouts do not include updated Engineering Division Requirements. Refer to Engineering Handouts for all Engineering Requirements. 1) Based on City documents, it appears that the gravel area adjacent to the driveway was added after 1977. Therefore, this area shall be included in the impervious surface calculations. a. Per the numbers provided, the gravel area and the proposed addition creates more than 2000sqft of impervious area constructed after 1977. i. Show the required stormwater mitigation systemdesigned as directed per the Edmonds Community Development Code (18.30) and the Stormwater Supplement. Please refer to the #E72 City handouts for additional information. ii. Or, remove impervious area; such that the impervious surface area added after 1977 does not exceed 2000sqft. 2) It appears that the gravel area extends to the roadway. Please revise the plans and the impervious surface calculations to include this area. 12 Page of 3) No credit is given for impervious area that is removed. Please remove the 500 sqft credit notation shown. 4) Please note what type of deck (i.e. spaced deckwith permeable surface below, deck with impervious surface below, impervious deck, etc.) so that it can be determined if the deck shall be included in the impervious surface calculations. If the deck is impervious or an impervious surface is being added below the deck, please revise the impervious surface calculations accordingly. 5) A cleanout is required on the side sewer within 2’ of the structure. If a cleanout will need to be added (due to the addition), please note as such on the plans. 6) Please showtemporary erosion control measures and reference the appropriate City Standard Details. 22 Page of