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HomeMy WebLinkAboutC_OnHoldLetter_220310_v1 March 14, 2022 Beyler Consulting, LLC Attn: Camille Washington 5920 – 100th St SW, Suite 35 Lakewood, WA 98499 SUBJECT: "On Hold" Notice Castro Short Plat / LUA22-000053, SHPL-A Dear Ms. Washington, The Planning Division of the City of Renton accepted the above master application for review on February 23, 2022. During our review, staff has determined that additional information is necessary in order to proceed further. The following information will need to be submitted so that we may continue the review of the above subject application:  The proposed tree retention information does not match across the various documents. The Short Plat drawings, Landscape Planting & Tree Replacement Plan, and civil drawings all show di ffering tree retention information.  Tract B is shown as 20 feet wide on the short plat drawings. The civil drawings show a 25-foot wide access easement. Please reduce the access easement to 20 feet.  Ten feet of on-site landscaping is required along all public street frontages except for areas for required walkways and driveways. A ten-foot on-site landscaping area is required on all lots and Tract A along the proposed public right-of-way and SE 176th St.  There shall be a minimum three-foot landscaped setback at the base of retaining walls abutting public rights-of-way. Terraces created between retaining walls shall be permanently landscaped with a mixture of shrubs and groundcover (trees are optional) in conformance with the standards of RMC 4-4-070 Landscaping. For land that is not between two retaining walls (i.e., not a terrace) the lower soil grade (i.e., ground at the bottom of a retaining wall’s exposed surface) and the upper soil grade (i.e., ground at the top of a retaining wall) abutting a retaini ng wall shall be level for a horizontal distance (measured perpendicularly to the wall) equaling one-foot for every one-foot in height of the retaining wall.  Protected trees that do not contribute to a lot’s required minimum tree density shall be held in perpetuity within a tree protection tract. A minimum of two significant trees are required on each lot. Any protected trees in excess of the two are required to be in a tree protection tract pursuant to RMC 4-4-130H.2.  The grade level around any tree to be retained may not be lowered within the greater of the following Beyler Consulting, LLC Attn: Camille Washington Page 2 of 2 March 14, 2022 areas: (i) the area defined by the drip line of the tree, or (ii) an area around the tree equal to one and one- half feet (1-1/2’) in diameter for each one inch (1”) of tree caliper. A larger tree protection zone based on tree size, species, soil or other conditions may be required. Please identify how this requirement is being met.  Please see attachments with comments from Engineering. At this time, your project has been placed “on hold” pending receipt of the requested information. The maximum time for resubmittal shall be within ninety (90) days of this notice. Please contact me at (425) 430-7286 if you have any questions. Sincerely, Andrew Van Gordon Associate Planner Attachments: C_CivilOnHoldComments_20220308_v1 cc: Castro Investments, LLC / Owner(s) Beyler Consulting, LLC / Applicant Yuming Zhao, John Hung / Party(ies) of Record DEPARTMENT OF COMMUNITY AND ECONOMIC DEVELOPMENT M E M O R A N D U M DATE: March 8, 2022 TO: Andrew Van Gordon, Senior Planner FROM: Nathan Janders, Civil Engineer SUBJECT: Castro Short Plat 12727 SE Petrovitsky Road LUA22-000053 I have reviewed the application for the Castro Short Plat located at 12727 SE Petrovitsky Road and have the following comments: The following comments represent additional information or corrections that are required to be made: 1. A water and sewer availability from Soos Creek Water and Sewer District should be provided. 2. In the TIR a flow control facility exemption is claimed per section 1.2.3.1.B of the RSWDM due to an increase of less than 0.15 CFS. However, the modeling used to support the exemption did not model the target areas, for which permeable pavement and limited infiltration BMP’s are proposed, in accordance with table 1.2.9.A of the RSWDM. The table indicates how to model the developed condition for which a BMP is applied to a target surface (such as 50% impervious and 50% grass for permeable pavement), however, the modeling removed these surfaces entirely from the developed conditions. The modeling needs to be revised to demonstrate compliance with section 1.2.9.A. a. Note, applicant should verify potential run-on as modeling credits are not given for surfaces that run-on to permeable pavements. b. Note, if a detention facility is determined to be required then a Type 4 downstream drainage problem shall be evaluated in the downstream analysis. 3. The proposed plan depicts the modified street frontage along SE Petrovitsky Road listed in the pre-application meeting. Applicant shall include a modification request as part of the land use application. The following comments represent additional information or corrections that should be made when considering site layout: 4. Dedication of a 25 foot radius at the southwest corner of Tract A will be required. Kennydale Gateway – LUA22-000011 Page 2 of 7 January 21, 2022 5. Applicant should demonstrate how the future half road along the western property line will be able to be built out in full with particular attention to the grading along the west side of the roadway. 6. The applicant should verify with geotechnical engineer the stability of fill soils when saturated (see section C.2.7 Permeable Pavement Infeasibility Criteria List no. 7).