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HomeMy WebLinkAboutC_On Hold ltr_6th St October 4, 2021 Adam E. Paul, PE AP Consulting Engineers PO Box 162 Auburn, WA 98071 SUBJECT: "On Hold" Notice 6th Street Short Plat / LUA21-000344, SHPL-A, MOD Dear Mr. Paul: The Planning Division of the City of Renton accepted the above master application for review on September 15, 2021. During our review, staff has determined that additional information is necessary in order to proceed further. The following will need to be corrected and submitted before January 4, 2021 so that we may continue the review of the above subject application: 1. The maximum density permitted in the R-4 zone is 4.0 dwelling units per net acre. Net density is calculated after areas of public rights-of-way dedication and legally recorded private access easements, are subtracted from the gross area (gross acres minus streets and critical areas multiplied by allowable housing units per acre). All fractions which result from net density calculations shall be truncated at two (2) numbers past the decimal (e.g., 4.5678 becomes 4.56). Calculations for minimum or maximum density which result in a fraction that is one-half (0.50) or greater shall be rounded up to the nearest whole number. Those density calculations resulting in a fraction that is less than one-half (0.50) shall be rounded down to the nearest whole number. According to the submitted density worksheet, the proposed project would have a net density of 5.0 dwelling units per net acre, which exceeds the maximum net density permitted in the R-4 zone. Please confirm that the proposed short plat would comply with the maximum density requirements. 2. Street frontage improvements are required along NE 6th St, the proposal does not indicate installation of these improvements. Code required improvements along NE 6th St include a minimum 26 foot paved road (13 feet from centerline), a 0.5 foot curb, an 8 foot landscape strip, a 5 foot sidewalk, street trees and storm drainage improvements. Based on the existing ROW width there is sufficient ROW to install without dedication. Further the existing curb-curb width is sufficient (approximately 28 feet) and the curbline shall be retained. 3. The existing planting strip behind the walk functions as a ditch. In lieu of installing storm mains in the flowline of the street it is acceptable, and preferred, to use the new planting strip as an open channel/ditch. 4. The WWHM model must be updated to account for the additional target surfaces created by the frontage. Additionally the WWHM pre-developed includes non-forest land use data but the property is in the forest Adam E. Paul, PE Page 2 of 3 October 4, 2021 duration. The pre-developed condition should be updated to reflect forest condition for all pre-developed target surfaces. 5. A minimum 8-inch sewer main extension is required within Nile Ave NE and is not required within the easement area. At this time, the review of your project has been placed “on hold” pending receipt of the corrected plans addressing the above comments. Please contact me at (425) 430-6598 or jding@rentonwa.gov if you have any questions. Sincerely, Jill Ding Senior Planner cc: Harry Singh & Molly Sablok / Owners Adam E. Paul, PE Page 3 of 3 October 4, 2021