Diablo Dam access road crib wall replacement
Diablo Dam Access Road Crib Wall Replacement, Solicitation 125510, issued by City of Seattle.
At a glance
Seattle Public Works is replacing a deteriorated wooden log crib wall (approximately 12' × 40') with a new soldier pile wall along the Diablo Dam Access Road in Whatcom County, about 130 miles north of Seattle. The project includes excavation, wall installation, backfill, asphalt removal, and roadway repaving, with an engineer's estimate of $1.1–$1.3 million before sales tax.
Key facts
- Issuing agency
- City of Seattle
- Solicitation number
- 125510
- Type
- purchase
- Posted
- Oct 23, 2024
- Response deadline
- Nov 13, 2024, 5:00 PM EST
- Pre-bid meeting
- Oct 31, 2024, 2:00 PM EDT
- Place of performance
- King County, WA
Official description
Solicitation #PW#2024-001. Issued by Public Works. Project Description: This Project consists of the following elements of Work:
Mobilization/demobilization Project Submittals Traffic Control Plan, barriers, and devices Install BMPs Remove and reinstall existing jersey barriers Break up and remove select large boulders Shaft construction Install temporary wooden lagging Install new soldier pile wall (steel H columns and permanent concrete lagging) Install backfill behind new wall Remove existing wooden log crib wall (approximately 12’ x 40’) Excavation/removal in front of proposed wall Provide and install crib wall veneer Remove asphalt pavement and 12” of subgrade Repave access roadway pavement from State Route 20 to the Diablo Dam in the same location/elevation as existing pavement Engineer's Estimate: $1.1 to $1.3 Million (before sales tax) Project Location: This Project is located along the Diablo Dam Access Road, between State Route 20 Milepost 127.8 (North Cascade Highway) and the Diablo Dam. Diablo Dam is located approximately 130 miles north of Seattle in Whatcom County.
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