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Selland/Thorp Pier
The proposed project is to install a new joint use pier with two boat lifts for the properties
located at 4017 and 4023 Williams Avenue North in Renton Washington. A shoreline
substantial development permit and environmental review are required from the City of Renton. The project site and adjacent properties are zoned as Residential 10du/ac (R-10).
The project site is on the shoreline of Lake Washington and is approximately 190’ from
May Creek. The shoreline is armored with a concrete and steel bulkhead. Mark Selland
is the owner of the property at 4017 Williams Avenue North. James Thorp is the owner
of the property at 4023 Williams Avenue North. Both properties are single family residential lots that have existing single family houses. The proposed pier will be 400
square feet in area and will be fully grated. It will have a 4’ by 40’ walkway from shore
and a 6’ by 40’ walkway that extends out to 80’ from the OHWM. Two 4” diameter steel
piles, four 8” diameter steel piles, and two 10” diameter steel piles will be driven by a
barge-mounted vibratory pile driving system to support the pier. The landward section of the pier will be supported by the existing concrete bulkhead. Two free standing boat lifts
will be installed at the pier. A dock ladder will be installed at the end of the pier. The
estimated fair market value of the project is $100,000. Per Renton Municipal Code
section 4-6-030 E. 1. a. a drainage control plan is not necessary because the area of the
pier is 400 square feet which is less than the 2,000 square foot threshold. There is an existing concrete stair walkway that ends where the pier will connect to land. Nine native
shrubs and two Shore Pine trees will be planted along the shoreline.