I-5 Southbound 320th Street Off-Ramp Channelization

By: Betty Oden//March 21, 2011//

I-5 Southbound 320th Street Off-Ramp Channelization

Betty Oden//March 21, 2011//

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Bid Date/Time: April 12, 10 a.m.

This contract is for the improvement of Interstate 5, from milepost 143.84 to milepost 143.97, in Washington state’s King County. Also, work will include southbound 320th Street off-ramp channelization via construction of two additional lanes for the I-5 southbound ramp to 320th Street.

Work includes grading, planning and paving; constructing a water quality treatment facility, retaining wall, signal, illumination, guardrail, signing and monotube sign bridge; striping; erosion control; traffic control; pavement rehabilitation and overlay; and other work.

The contractor shall complete all work within 85 working days.

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