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Plan. Design. Manage
CIVIL & STRUCTURAL ENGINEERING | LAND SURVEYING | PLANNING
PROJECT MANAGEMENT | FEASIBILITY | PERMIT EXPEDITING
RE: Castro Short Plat – Project Narrative
Project Address: 12727 SE Petrovitsky Road
BC Job# 18.00392
Project Name, size and location of site:
Castro Short Plat
49,389 sf (1.134 ac)
12727 SE Petrovitsky Rd, Renton, WA 98058
Land use permits required for proposed project:
Preliminary Short Plat
Site Development
Final Short Plat
Zoning designation of the site and adjacent properties:
Rural 4 (R4)
Current use of the site and any existing improvements:
Vacant Lot. Existing structure to be demolished.
Special site features (i.e. wetlands, water bodies, steep slopes):
Wetland 165’ southwest of site. Narrow sections of steep slopes along the west
and east of the property. Please see attached Critical Area Report prepared by
Sewall Wetland Consulting, Inc., dated April 3, 2019, attached
RS_Wetland_Report_190403_v1.
Statement addressing soil type and drainage conditions:
Most of the site is covered in 8+ feet of fill and debris. Beneath this and along
the east of the lot is silty fine sand or silty fine medium sand. Please see
attached Geotechnical Report prepared by Geospectrum Consultants, Inc., dated
April 15, 2019, attached RS_Geotech_Report_190415_v1.
Page 2 of 3
Proposed use of the property and scope of the proposed development:
The proposal is to subdivide the project site into three single family lots and
construct new single family dwelling. Access is proposed via a private access
easement extending north from SE 176th Street, Tract B: EVA and Shared
Access tract.
For plats indicate the proposed number, net density and range of sizes
(net lot area) of the new lots:
Three lots at 1 lot per 12347.25 sf. lot 2: .207 ac; lot 3: .217 ac.
Access:
Proposed access is via private access easement extending north from SE 176th
St.
Proposed off-site improvements (i.e. installation of sidewalks, fire
hydrants, sewer main, etc.):
Landscaping and sidewalk in SE Petrovitsky Rd. Half street extension,
curb/gutter, landscaping, sidewalk, sewer main extension, water main
extension. Please see Site Improvement Plans.
Total estimated construction cost and estimated fair market value of the
proposed project:
Separately attached: Cost Estimate and Land Valuation
Estimated quantities and type of materials involved if any fill or
excavation is proposed:
Excavation = 3,368 cubic yards
Fill = 2,438 cubic yards
Type of Material = common barrow will be used for most graded areas due to a
large portion of the existing soils on site being made up of undocumented fill,
debris, and trash. Depending on selected methods of building construction given
by the geotechnical engineer, structural fill may be required for the project.
Number, type and size of any trees to be removed:
42 (3non-viable, 1 damaged), see
P_Landscape_Planting_and_Tree_Replacement_Plan_211201_v1.
Page 3 of 3
Explanation of any land to be dedicated to the City:
Approximately 0.25 ac of ROW to be dedicated to the City of Renton upon short
plat approval; see attached short plat map MAP_Short_Plat_211020_v1.
Any proposed job shacks, sales trailers, and/or model homes:
None.
Any proposed modifications being requested (include written
justification):
None.
For projects located within 100 feet of a stream or wetland, please
include:
• Distance in feet from the wetland or stream to the nearest
are of work. There is a Wetland located approximately 165’, at
it’s closest point, southwest of site. Please see attached Critical
Area Report prepared by Sewall Wetland Consulting, Inc., dated
April 3, 2019, attached RS_Wetland_Report_190403_v1.
For projects located within 200 feet of Black River, Cedar River,
Springbrook Creek, May Creek and Lake Washington please include the
following additional information: N/A