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Invitation for Bid: 4th Avenue SW Improvements




4th Avenue SW Improvements (100th to Roxbury) consisting of demolition and removal of existing roadway features and the installation of new improvements that include sidewalk, curb, gutter, pavement with overlay, storm drainage and treatment, pedestrian lighting, landscaping and other roadway related improvements within unincorporated King County. Project will allow a full road closure of 5 weeks.

Scope of Work

The Work to be performed includes water quality measures for surface water runoff; removing asphalt pavement; removing curb, gutter and sidewalk; stormwater infrastructure; channelization; signage; pedestrian lighting; traffic calming measures; constructing curb, gutter and sidewalk; constructing ADA ramps; improved pedestrian crossing; street paving; landscaping; temporary traffic control; and other work.

Questions regarding this bid project must be provided in writing and submitted by email to the contact information listed below under Contact Person.

Pre-Bid Meeting

01/30/2019 at 02:00 p.m.
SW 100th Street and 4th Ave SW
, ,

Optional pre-bid meeting will be performed on Wednesday, January 30, 2019 at 2:00PM. The meeting will begin at SW 100th Street and 4th Avenue SW.

Contact Person

John Eliason
Development Director

Question deadline: 02/07/2019 at 12:00 p.m.

Submission Deadline

02/13/2019 at 02:00 p.m.

Extended Submission Deadline

02/20/2019 at 02:00 p.m.

Documents (PDF Format)

4th Ave SW Improvements Contract Provisions
Posted: 01/17/2019 Approved King County Plans
Posted: 01/17/2019
Utility Plans
Posted: 01/17/2019

Addenda (PDF Format)

Addendum No. 1
Posted: 02/07/2019 Addendum No. 2
Posted: 02/11/2019

Main Office
600 Andover Park W.
Tukwila, WA 98188
Tel: (206) 574‑1100
Fax: (206) 574‑1104
TDD: (800) 833‑6388

Section 8 Office
700 Andover Park W.
Tukwila, WA 98188
Tel: (206) 214‑1300
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