CGC-ITB Alcott ES Replacement, Bid Set 4 — BP-2.1, 4.1, 6.1, 7.1–2, 8.1, 9.1–6, 32.1

CGC-ITB Alcott ES Replacement, Bid Set 4 — BP-2.1, 4.1, 6.1, 7.1–2, 8.1, 9.1–6, 32.1 INVITATION TO BIDDERS: Alcott Elementary School Replacement, Bid Set 4 – BP-2.1, 4.1, 6.1, 7.1–2, 8.1, 9.1–6, 32.1 PROJECT NAME AND LOCATION: Alcott Elementary School Replacement, 4213 228th Ave. NE, Redmond, WA 98053 OWNER: Lake Washington School District, 15212 NE 95th Street, Redmond, WA 98052 CONSTRUCTION MANAGER: Cornerstone General Contractors, Inc; 11805 N Creek Pkwy S, #115; Bothell, WA 98011. CONTACT: Josh Goldman; Phone: 425.481.7460; Email: joshg@cornerstonegci.com ARCHITECT: Mahlum BIDS DUE: April 9, 2026, not later than 2:00 p.m. (PT) Sealed bids must be received not later than 2:00 PM at Cornerstone General Contractor’s Office located at the address above. Bids will be publicly opened immediately thereafter. BID PACKAGE; APPROX. BUDGET; DESCRIPTION BP-02.1; $1,450,000; Demolition BP-04.1; $1,130,000; Unit Masonry BP-06.1; $1,450,000; Casework and Finish Carpentry BP-07.1; $2,560,000; Metal Panels, Siding and Flashing BP-07.2; $1,130,000; Roofing BP-08.1; $1,540,000; Curtainwall, Storefront, Glazing BP-09.1; $3,600,000; Framing and GWB BP-09.2; $710,000; Acoustical Ceilings and Treatments BP-09.3; $422,000; Resilient and Carpet Flooring BP-09.4; $75,000; Resilient Athletic Flooring BP-09.5; $290,000; Tile Flooring BP-09.6; $620,000; Painting Coatings and Sealants BP-32.1; $780,000; Landscaping and Irrigation BONDS: A bid bond in the amount of 5% of the base bid amount is required on all bids exceeding $300,000. All bid packages $300,000 or greater require payment and performance bonds on the forms provided in Section 005213 – Form of Contract. BID DOCUMENTS: There are two options available to obtain plans and specifications: 1. BuildingConnected.com at Cornerstone’s hosted plan room, https://CornerstoneGCI.com/bid-room. Email estimating@cornerstonegci.com for access. 2. Via direct email request to the Construction Manager, as above. PREBID MEETING: Wednesday, March 18, 2026, at 3:05 PM (PT). The prebid meeting will be held at the Alcott Elementary School project site. Meet at the entrance to the existing school. Please do not arrive earlier than 3:00 PM. Bidders are encouraged to attend the prebid meeting, but it is not mandatory. TRADE UNIONS: Trade Contractor recognizes Cornerstone has an agreement with the following Union; North Coast States Carpenters Union (formerly Western States Regional Council of Carpenters). In accordance with RCW 39.10.380 Subcontractor Bidding Procedure, Trade Contractors shall be obligated and bound to such agreements for work claimed by the Carpenters Union. Should any of Trade Contractor work (including work of lower tier subcontractors) be claimed by this Union, Subcontractor will enter into an agreement with this Union for performance of the claimed work on this project. Cornerstone General Contractors, Inc., is acting as construction manager for Lake Washington School District, not as a general contractor on this project. For this reason, all rules for public bidding must be followed by all contractors bidding these packages. Bids must be submitted as indicated in the instructions to bidders. Faxed bids, bids that are not on the proper bid form, and bids that do not fulfill the requirements of the instructions to bidders cannot be accepted. All bids shall remain valid for a period of 90 calendar days. Cornerstone is an equal opportunity employer. We request bids from all interested subcontractors and suppliers including Small, Minority-Owned, Women-Owned, Disadvantaged, Veteran, Disabled Veteran, and HUBZone business enterprises. Member of AGC of Washington. Contractor's license: #CORNEGC970J3. Closing Date: Thursday, April 9, 2026Organization: Cornerstone General ContractorsPoint of Contact: Josh Goldman; Phone: 425.481.7460; Email: joshg@cornerstonegci.com