Biwell Construction, Inc.
Current Projects

King County MRJC detention walk-in refrigeration equipment replacement
Kent, WA, #C01213C17; 401 Fourth Ave. N

Bids due: 1:30 pm Nov 16, 2017
Addenda: addendum 1 (11/01) 

Estimated cost: $680,000
Owner: King Cty Procurement Services Div, Chinook Bldg., 401 Fifth Ave., Third Floor, Seattle WA 98104-2333, email, contact Mary Lee
Notes: Obtain bid documents by emailing a request to Mary Lee. Contractors must submit completed authorization forms that include a criminal background check by 5 pm, Oct. 24 in order to attend either of the mandatory prebid meetings; submit forms via email to Sgt. Antonius at or via mail to Dept of Adult and Juvenile Detention, Maleng Regional Justice Center, 620 W James St., Kent, WA 98032. Contains a 5% apprentice utilization requirement. 
Pre-Bid: Mandatory meeting 9 am, Nov. 8 at the site. Mandatory meeting 9 am, Nov. 10 at the site.
Scope: Replace the equipment and piping for the walk-in refrigerators and freezers at the Maleng Regional Justice Center detention area.






2017 Queen Anne Branch exterior repairs (roof and chimney) 
Seattle, WA, #SPL-PW-2016-15; 400 W Garfield St.

Bids due: 1 pm Sep 12, 2017 Rebid.
Addenda: addendum 1 (07/27), addendum 2 (08/04), addendum 3 (08/10), addendum 4 (08/10)

Estimated cost: $730,000
Owner: Seattle Public Library, LEW Meeting Room, Level 1, 1000 Fourth Ave., Seattle WA 98104
Notes: Obtain bid documents from the owner's eBid website. Submit questions in writing to by 5 pm, Aug. 31. For purposes of the Inclusion Plan, this is considered a roof facility project with a past performance of 30% WMBE utilization rates. Direct inclusion plan questions to Miguel Beltran at 206-684-4525 or or Carmen Kucinski at 206-684-0188 or
Pre-Bid: Mandatory site inspection 11 am, Aug. 3. Meet in front of the branch.
Scope: Work includes: Replace the existing unbraced masonry chimney with a replacement reinforced concrete structure on new concrete foundation using face brick salvaged from the existing chimney to match existing; restore and reinstall existing terra cotta chimney pot; replace fiberglass skylight with an aluminum framed skylight; replace wood door at the west elevation staff entrance with an aluminum clad wood door; replace the low-slope membrane roofing, damaged slate tiles and misc roof components, including roof vents and access hatches; clean the slate roofing; replace select roof flashing and flashing underneath terra cotta roof coping caps; and repaint wood at underside of eaves




Washington Street pergola restoration

Temp location: E Marginal Way S & South Hinds St - Seattle
Seattle, WA, #2016-107; 3441 E Marginal Way S & 199 Alaskan Way S

Bids were due: 2 pm Jun 7, 2017
Estimated cost: $1.8 - $2 million
Owner: City of Seattle, Seattle WA 98104, email, contact Eric Strauch
Scope: Restore, move and reinstall the historic Washington Street boat landing pergola to the original position, including: Inside and outside finish carpentry; casting and replacement of missing structural/steel ornamentation; restoration of steel structure to meet seismic standards; restoration and installation of office panels (wood) and windows; restoration of the post bases of the columns that were cut to remove the pergola from the platform; moving the structure from Pier 25 to the waterfront; restoration of the Pier 25 site; and coordination with adjacent projects and property owners







Bothell Library reroofing and HVAC equipment replacement
Bothell, WA; 18215 98th Ave. NE

Bid date: 1 pm May 9, 2017
Addenda: prebid sign in (04/25)
Public notice:
Owner: King Cty Library System, Service Center, 960 Newport Way NW, Issaquah WA 98027, 425-369-3200
Architect: F. E. Tompkins Architecture PS, PO Box 344, Preston, WA 98050, Gene Tompkins.
Scope: Partially reroof at two low slope rooftop mechanical equipment wells, and replace six HVAC roof top units within the wells.

Seattle Public Library 2017 Fremont branch exterior repairs

Seattle, WA, #PW 2017-14; 731 N 35th St.
Bid date: 1 pm Jun 14, 2017
Estimated cost: $213,000
Owner: City of Seattle, Seattle WA 98121-1012
Architect: SHKS Architects, 1050 N 38th St., Seattle, WA 98103, 206-675-9151, fax 206-675-9150,
Scope: Work includes: Replace existing unbraced masonry chimney with a metal frame chimney built to match, and select exterior doors with aluminum clad wood doors built to match; repair clay tile roof, existing concrete knee wall, and masonry, including brick and terra cotta; refinish metal handrails, guardrails, ornamental screens, and exterior light fixtures; site protection; paint exterior finishes

Airport Way Center Building E - Envelope improvements

2203 Airport Way South Seattle, WA, Contract #2016-137

Estimated cost: $182,570 - $223,140; $26,892 - $32,866 (Alt 1).
Scope: Main project work includes: Replace storefront with a new thermally broken aluminum storefront system that includes new flashing, sealant joints at concrete panels around the building, and exterior light fixtures; provide a parapet handrail for fall protection. Alternate No. 1 work includes: Remove and replace the south side main entry storefront assembly and entrance doors






T102 Harbor Marina Corporate Center roof and HVAC units 

Estimated cost: $2.5 - $5 million
Owner: Port of Seattle Central Procurement Office (CPO), 2529 S 194th St., SeaTac WA 98188, 206-787-3110
Scope: Remove and replace approx 88,000 sf of existing roofing at the Harbor Marina Corporate Center (HMCC) at Terminal 102. The HMCC is comprised of four buildings and has 69 existing rooftop HVAC units. Remove and replace 14 HVAC units; and raise the remaining 55 HVAC units. Perform regulated material abatement. Provide all re-roofing work at all roofs as indicated including complete roof system replacement, raising all mechanical roof top units by extending existing curbs so that curbs are a minimum of 12" in height from finished roof surface. Mechanical rooftop work includes extension of all ducts, wiring and appurtenances to accommodate work. Extend parapets; provide all sheet metal flashings; replace gas lines and meters; replace electrical wiring and conduits as indicated; replace all hot stack vents and provide a full fall protection system. Contractor personnel must have a valid TWIC to work in these restricted areas.