T-28a Overview

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T-28a - Witte Road SE - Phase 3



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Invitation to Bid
Amended [PDF]
Bid Results [PDF]



Project Background

T-28a, Witte Road SE Phase 3-Road Improvements (SR 169 to SE 240th Street) (Substantially Complete)

Design has been completed for Witte Road-Phase 3  Improvements from SR 169 to SE 240th. The project will include electric power and franchise utilities that will be converted to underground facilities and new LED illumination, as designed by PSE for this 1400-foot long segment. The overall project was designed by Mead & Hunt Inc.of Issaquah. WA.

The City of Maple Valley received a grant from the State Transportation Improvement Board (TIB) that will cover 65% of the construction costs, including the electrical and utility underground conversion. This project has been awarded to Sanders General Construction of Auburn, WA with a low bid of $1.733 M.  Construction for this project is expected to begin in early April 2015.  The project was substantially complete on November 6, 2015 and physical completion was as of February 4, 2016. 

Open House Flyer [PDF]


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