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05-09a (2) Thuesen rev.pdf City of Edmonds TH 121 5 AVENUE NORTH • EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221 Website: www.ci.edmonds.wa.us DEVELOPMENT SERVICES DEPARTMENT Planning • Building • Engineering Plan Review Comments PRD/Short Plat: Date: # S-05-09 24 Apr 06 th Project Name/Address: Thuesen: 509 9 Ave N Contact Person/Address/Fax: emailericthuesen@comcast.net : Eric Thuesen: fax/: Reviewer: Division:Engineering Lyle Chrisman, Engineering Program Manager The subject short plat drawings have been reviewed but cannot be completed until the following items have been addressed/corrected. Once the corrections have been made, please resubmit two set of drawings for review. Sheet 1 1.Specify which drain pipes go to the wetland. 2.Provide design drawing and calculations on the proposed wall. Based on elevations the wall exceeds 6’. Also, since portions of the wall exceed 8’, the drawings and calculations will have to be sent out for peer review. 3.What type of wall is being installed? 4.Is there sufficient cover over the sewer pipe for the placement of the wall? 5.Why not place the sewer line on the north side of the wall for easier access 6.There appears to be a grade conflict between the side sewer and the detention system. 7.What is the size of the rip rap pad? Add a trash rack at the end of the pipe. 8.How much area does the 4” intake pipe on the south side collect? Is it large enough? How will it keep from getting clogged up? 9.Connect a wetland overflow stand pipe on the end of the 12” pipe located at the n.w. corner of the lot. Provide construction details on the overflow pipe and the overflow elevation to insure the wetland remains at the level as determined by Pentec or your wetland biologist. 10.Show the locations of the pipe anchors with spacing. 11.Show location and type of hill holders since the slope exceeds 20%. 12.The minimum depth of sewer manhole #2 needs to be 4’ and a concentric cone is required. Placement of the concentric cone should allow easy access to the center channel __________________ DATE E-MAILED PAGE ____ OF ___ S:\\ENGR\\PRIVATE DEVELOMENT PROJECTS\\REVIEW\\LAND USE\\ARCHIVE\\2005 Short Plats\\05-09a Thuesen rev.doc Sheet 2 13.Construction sequence note #9: Delete references to Olympic View Water and Sewer. General Provide an engineer’s estimate or contractor’s bid for all site work so the bond amount and 14. inspection fee can be determined. __________________ DATE E-MAILED PAGE ____ OF ___ S:\\ENGR\\PRIVATE DEVELOMENT PROJECTS\\REVIEW\\LAND USE\\ARCHIVE\\2005 Short Plats\\05-09a Thuesen rev.doc