Renovation of a multi-residential development in Bellevue, Washington. Completed plans call for the renovation of a multi-residential development.

KCHA is seeking qualified contractors interested in submitting bids for the Deck Replacement at Carrington Apartments. Work consists of, but is not limited to, replacing 8 exterior decks. PARCEL NUMBER: 102405-9002 Question Deadline 09/02/2025 at 9:00 AM PT Questions pertaining to the bid are to be sent via email to MichelleJ@kcha.org no later than seven (7) calendar days prior to bid due date. All responses shall be in the form of Addenda. BID GUARANTEE: Not Required. Contractors are strongly encouraged to attend the Pre-Bid Conference. Failure to attend the Conference will not relieve the Contractor of any responsibility for information provided at that time. Bidders must have a current certificate of registration as a contractor for the last three years under the same name and have completed the required L&I training The Work consists of, but is not limited to: 1. Replacement of (8) exterior decks to match newly remodeled decks. 2. Demolition: a. Demolish and dispose of ground floor patio concrete slab on grade. b. Demolish and dispose of 4x4 post and double 2x beams. c. Demolish and dispose of upper floor deck structural components (joist, rim sheathing). d. Demolish and dispose of existing railings. e. Remove and re-use siding as required for a proper new deck and flashing. 3. Concrete: a. Install (2) new footings and plinths at each deck per structural plans. b. Install new 4" concrete slab on grade with 6x6 - W2.1 x 2.1 W.W.M, U.O.N. per structural plans. 4. Metal a. Install (2) new HSS 4x4x1/4 column. b. Install anchorage, hangers, and fasteners per structural plans. c. Install new HSS railings per structural plans. Contractor to submit product info. d. Install (2) Simpson DTT2Z Ties at ea. railing vert. 5. Wood a. Install double 2x10 PT rim per structural plans. b. Install 6x10 PT beam per structural plans. c. Install 2x10 PT joist at 16" oc. Per structural plans. d. Install 3/4 " CDX T&G deck sheathing w/ blocking per structural plans. 6. Finishes a. Deck Coating - Rhino Extreme, Rhino Lining of Auburn 253-735-1960 1) Epoxy primer coat. 2) Spray applied waterproof membrane. 3) Extreme appx 80-10 mill thick 4) Base coat with quartz embedded. 5) UV Topcoat (color to match existing, contractor to submit color samples to consultant. b. Paint siding and trim damaged or replaced during upgrade to match existing. Scope of Work. 1. Install temporary shoring and safe passage for each deck location. 2. Install temporary protection to surrounding materials and landscape as required to protect during construction. 3. Demolish concrete slab on grade (including concrete step) and remove waste off site. 4. Remove existing posts and beams, 5. Remove and dispose of exiting railing. 6. Remove and safely store for re-use siding approx. 18" from deck surface. 7. Demolish deck sheathing with deck coating and associated flashings. 8. Demolish and dispose of all structural members of upper deck. 9. Form, set and pour new footing and plinths for new HSS post. Contractor to ensure anchor bolts are embed 8" in plinth/footing. 10. Pour new 4" exposed aggregate concrete slab on grade. 11. Install HSS post and 2x12 beams and 2x10 rims. 12. Frame deck structure per structural plans. 13. Install all flashings and drip edge for deck waterproofing. 14. Install liquid applied deck coating. 15. Re-install siding removed during demo of the deck. 16. Install new HSS deck railings per specs. Contractor to submit railing option. 17. Paint siding and trim to match existing. Contractor to submit color samples for approval.