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Home » SR 520 – I-5/Mercer Street to SR 520/Portage Bay, Seattle WA

SR 520 – I-5/Mercer Street to SR 520/Portage Bay, Seattle WA


Subcontractor/Supplier Bids/Proposals Requested

Owner: Washington State Department of Transportation - WSDOT

Job Number:  19A824

 Due Date: May 5, 2021 @ 10:00 am

MSVWBE Participation

MBE 10%/SBE 5%/DVBE 5%/WBE 6%


Skanska USA Civil West California District Inc. is interested in soliciting in Good Faith all subcontractors as well as certified Minority, Small, Veterans and Women’s Business Enterprise (M/S/V/WBE) firms for this project.


SR 520 – I-5/Mercer Street to SR 520/Portage Bay

I-5 Interchange Improvements

In Seattle, King County, WA


Plans and Specifications are available through registering on our plan site at:


Requested scopes include, but are not limited to the following and should be based on Contract and its amendments:

Aggregate base, Asphalt material, Asphalt paving, Bridge drain supply, Cellular concrete, Clearing, Concrete accessories, Concrete barrier, Concrete paving, Concrete pumping, Demolition, Dewatering, Directional drilling, Drainage pipe, Drilled shafts, Electrical/lighting/ITS, Equipment rentals, Erosion control, Erosion control supply, Falsework, Falsework materials, Fencing, Flatwork, Form materials, Geotextile supply, Ground Anchors, Ground monitoring, Guardrail, Joint Seals, Landscaping, Milling, Miscellaneous concrete, Miscellaneous metals, MSE wall supply, MSE walls, Painting & staining, Pipe material supply, Precast Barrier, Precast minor structures, Precast Fascia Wall, Quality control, Reinforcing steel, Roadway signs, Sawcutting, Security guard, Shoring, Signage, Soil Nails, Soldier Piles, Steel girder erection, Steel girder supply, Storm Sewer, Striping, Survey, Sweeping, Traffic control, Traffic control supply, Trucking, Underground utilities, Utility adjustments, Vacuum excavating, Water treatment, Welding.


Subcontracting Requirements: Skanska is an Equal Opportunity Employer and is requesting quotes from all qualified subcontractors and suppliers. All interested subcontractors, please indicate all lower tier M/S/V/WBE participation offered on your quotation as it will be evaluated with your price. Skanska will assist qualified subcontractors, vendors, & suppliers in obtaining bonding, lines of credit, insurance, necessary equipment, materials and/or supplies. If you are a M/S/V/WBE firm, please provide your certification letter with your proposal;.  Skanska will also review breaking out scope packages and adjusting schedules to help permit maximum participation.when feasible. Skanska’s insurance requirements are Commercial General Liability (GL): $1M ea. occ., $1M personal injury, $2M products & completed operations agg. & general agg.; $1M Auto Liability; $5M Excess/Umbrella and $1M Workers Comp. Endorsements and waivers required are the Additional Insured End., Primary Wording End., & a Waiver of Subrogation (GL & WC). Other insurance requirements may be necessary per scope or RFP requirement. Subcontractors may be required to furnish performance & payment bonds in the full amount of their subcontract by an admitted surety & subject to approval by Skanska. Quotations must be valid for the same duration as specified by the Owner for contract award. Conditions or exceptions in Subcontractor’s quote are expressly rejected unless accepted in writing. Skanska is signatory to the Operating Engineers, Laborers, Cement Masons, & Carpenters Unions. Subcontractors must provide weekly, one original and one copy of all certified payrolls, including non-performance and fringe benefit statements if required by law or by the Prime Contract.


Skanska USA Civil West California District is an Equal Opportunity/Affirmative Action Employer

EEO/AA/Vet/Disability Employer

Estimating Department: 1995 Agua Mansa Rd, Riverside, CA 92509

Phone: (951) 684-5360, Fax: (951) 788-2449
Lead Estimator: Jerome DiPadova                 Email: 

Closing Date: 
Wednesday, May 5, 2021