Invitation for Bid: Roof Replacement at Riverstone Apartments
Posted
03/25/2026
Description
Estimate $263,494.00
Sealed Bids Required. No emailed or faxed bids will be accepted.
Scope of Work
Work includes but is not limited to:
1. Good faith asbestos inspection(s) testing to comply with RCW 49.26.013 as required to achieve scope of work.
2. Removal and replacement of all existing roofing materials and 50% of plywood deck sheathing as well as 100LF of fascia board per building.
3. Inspect all exposed roof framing for any rot or damaged materials and repair as needed.
4. Block and seal any existing gable vents from attic interior.
5. Provide and install new ½” CDX plywood deck sheathing and roofing materials according to manufacturer’s recommended installation specifications.
6. Provide and install all new CertainTeed roofing system components:
a. Install CertainTeed Winterguard Ice and Water roof underlayment to all critical areas and valleys.
b. Install CertainTeed Roof Runner synthetic roof underlayment.
c. Install CertainTeed Landmark AR composition roofing system.
7. Install Gibraltar Building Products PRV50BL Plastic Roof Vent with minimum 50 sq.in Net Free Area ventilation.
8. Install Cor-A-Vent IN-Vent Attic Roof Vent or approved equal.
9. Install all metal 24-gauge flashing components according to manufacturer’s recommendations including roof penetration flashing, roof to wall flashing, eave and rake flashings and W-Valley flashing.
10. Install permanent fall arrest/restraint roof anchors and all other accessory items to complete the installation and maintenance of the roof in a safe and secure manner.
11. Install new fascia boards where there is any decay or rot that would prevent the exterior paint to be applied and warranted. Include painting of all fascia prior to installation of new gutters. (See Section 1.5 UNIT COSTS for details.)
12. Install new 5” K-style aluminum gutters and 2”x3” aluminum downspouts to match existing locations.
13. Haul away and dispose of all debris and demolished materials.
14. Include painting all b-vent flashings, roof accessories and lead pipe flashings as needed.
15. Daily cleaning and final cleaning of all trash and debris.
16. Prevailing wage rates to be included.
17. Provide for 40 Year Manufacturer’s Warranty from CertainTeed, including Sure Start 5-Star Warranty and 2-Year Workmanship Warranty. Other manufacturers will be considered; however, acceptable bids are required to use products which meet these minimum warranties:
Contractor’s workmanship warranty for a period of two (2) years from final completion.
Subcontractor’s labor and materials for a period of two (2) years from final completion.
Manufacturer’s warranty of 100% materials and labor for five (5) years without proration or reductions.
Roofing manufacturer’s 40-year warranty for materials.
18. Provide all applicable permits.
Pre-Bid Meeting
04/16/2026 at 11:00 a.m.
Riverstone Apartments
27314 24th Ave S, Federal Way, WA 98003
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.
Contact Person
Michelle Jackson
Contract Administrator
michellej@kcha.org
Question deadline: 04/22/2026 at 09:00 a.m.
Submission Deadline
04/29/2026 at 11:00 a.m.