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HomeMy WebLinkAboutPlan Review Comments PRE 12-034 DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT M E M O R A N D U M   DATE: May 9, 2012     TO: Rocale Timmons, Planner     FROM: Arneta Henninger, Plan Review     SUBJECT: Utility and Transportation Comments for: Highland Estates 2 Short Plat 4933 NE 8th PRE 12-034      NOTE: The applicant is cautioned that information contained in this summary is preliminary and non-binding and may be subject to modification and/or concurrence by official city decision-makers. Review comments may also need to be revised based on site planning and other design changes required by City staff or made by the applicant. I have completed a preliminary review for the above-referenced 3-lot short plat proposal, located on the east side of Field Ave NE in the vicinity of NE 8th St, all in Sect. 10, Twp 23N Rng 5 E. The project site is mid-block and two parcels west of Highland Estates Short Plat (LUA 12-025), a 4-lot short plat that is adjacent to and west of Hoquiam Ave NE. The following comments are based on the pre-application submittal made to the City of Renton by the applicant: Water This site is not located in the City of Renton water service boundary. It is located in the Water District 90 area and a Certificate of Water Availability is required and shall be submitted prior to formal application. This site is not located in the Aquifer Protection Zone. The project will need to provide domestic service and fire service to serve the proposed development. Per the City Fire Marshal, the preliminary fire flow requirement for a single family home is 1,000 gpm minimum for dwellings up to 3,600 square feet (including garage and basements). If the dwelling exceeds 3,600 square feet, a minimum of 1,500 gpm fire flow would be required. A minimum of one fire hydrant is required within 300-feet of the proposed buildings, and two hydrants if the fire flow goes up to 1,500 gpm. Lateral spacing of fire hydrants is predicated on hydrants being located at street intersections. All fire hydrants shall be brought up to current code if not existing. Sanitary Sewer This site is located in the City of Renton sanitary sewer service boundary. There is an existing 8” sewer main in Field Ave NE. See City of Renton sanitary sewer drawing #S-3366 for details. There is currently a sanitary sewer project (S3612) under construction. The short plat proposes to serve the new development with sanitary sewer service to the lots by the referenced sanitary sewer project. The above sanitary sewer project needs to be finaled out prior to this short plat recording. This proposal is located in the East Renton Special Assessment District (SAD 0002). These fees are $316.80 per connection and shall be paid at the time a construction permit is issued. The Sanitary Sewer SDC fees are based on the size of the domestic water meters. These fees are collected at the time a construction permit is issued. Storm Drainage There are existing storm drainage facilities in Hoquiam Ave NE. A drainage plan and drainage report will be required with the site plan application. The report shall comply with the 2009 King County Surface Water Manual and the 2009 City of Renton Amendments to the KCSWM, Chapters 1 and 2. All core and any special requirements shall be contained in the report. Based on the City’s flow control map, this site falls within the Flow Control Duration Standard, Forested Conditions. The conceptual storm drainage plan needs to address how the roof runoff from the new lots will be handled. A covenant for flow control BMPs will be required. A geotechnical report for the site is required. Information on the water table and soil permeability, with recommendations of appropriate flow control BMP options with typical designs for the site from the geotechnical engineer, shall be submitted with the application. Surface Water SDC fees are $1,012 per lot. These fees are collected at the time a construction permit is issued. Street Improvements The project shall be required to install a minimum 20-foot pavement section on the north side of the parcel. All new electrical, phone, and cable services and lines must be undergrounded. The construction of these franchise utilities must be inspected and approved by a City of Renton public works inspector prior to recording the plat. Traffic mitigation fees apply at a rate of $717.75 per new lot and shall be paid prior to recording the short plat. General Comments All construction utility permits for drainage and street improvements will require separate plan submittals. All utility plans shall conform to the Renton Drafting Standards. Plans shall be prepared by a licensed Civil Engineer. All plans shall be tied to a minimum of two of the City of Renton Horizontal and Vertical Control Network monuments. When the utility plans are complete, please submit three (3) copies of the drawings, two (2) copies of the drainage report, permit application and an itemized cost of construction estimate and application fee at the counter on the sixth floor. Half of the fee must be paid upon application for building and construction permits, and the remainder when the permits are issued. There will be additional fees for water service related expenses. All subdivisions shall provide water, sewer, and storm stubs to each new lot prior to recording of the short plat.