King County Jail Improvements - $444,558
Scope: Structural concrete foundations, demolition of existing mechanical equipment and foundations.
Challenges: Working in a maximum security facility, limited access to pour concrete and dispose of excess materials.
Contracted by Shinn Mechanical
King County Work Order Project - $1,000,000
Scope: Multiple projects ranging from $5k-$100k.
Work Included: Excavation, concrete foundations and flatwork, window replacements, new ADA Ramps and decking, scale repairs, and multiple utility repairs.
Contracted by King County
North Creek Force Mains - $187,998
Scope: Excavate and add additional access points in a 30" force sewer main
Work Included: Excavation to approximately 16' in order to provide access to force main. This included shoring, dewatering, temporary shoring of the force main, structural backfill and restoration.
Contracted by Centennial Contractors
North Creek Cathodic Protection - $66,654
Scope: Excavation and Installation of Cathodic Protection
Work Included: Excavation and restoration of multiple sites for the installation of Cathodic Protection on a 36" Force Main.
Contracted by Centennial Contractors
Brightwater Caustic Tank Addition - $25,947
Scope: Preparation and placing of 22' radius tank foundation
Challenges: working in direct relation to an existing operational caustic acid plant. Forming a large 2' tall radius foundation.
Contracted by Centennial Contractors
WTD ETS Continuity Project - $51,525.00
Scope: Installation of cathodic protection on existing 120" active force main
Challenges: Excavation to 18' below grade within 150' of Duwamish River. Shoring and dewatering major feat.
Contracted by Centennial Contractors
Admin Building Water Leak - $29,547
Scope: Repair waterproofing membrane, fabricate and install flashing and caulking. Replace paving stone and concrete, which will be sloped away from the building for air tight water proofing
Challenges: Location of work was at the main entrance of the City of Seattle Courthouse so public safety was a priority.
Contracted by Centennial Contractors
Tel: 206.246.1204
12805 Shorewood drive sw
burien, wa 98146