2023-002 - 450K Gallon Spheroid Exterior Repaint w/Containment Dry Interior Partial Repaint

SCOPE of WORK
Tank Information:
The structure is a 450,000 gallon spheroid elevated water storage tank with an estimated high-water level of 143 ft. located at 600 W. Baseline Rd. in Northville, Michigan.

The work includes:

Exterior:  Abrasive blast clean to a SSPC-SP6 commercial standard with containment.  Apply a four (4) coat zinc epoxy urethane fluoropolymer system.

Dry Interior:  Abrasive blast clean the entire tops of the platforms (including 1 ft. up the riser wall), and spot coating failures throughout to a SSPC-SP6 commercial standard.  Apply a spot two (2) coat epoxy system to the prepared surfaces.

Foundation:  Repair grout.  Abrasive blast clean and apply a two (2) coat epoxy system.

Repairs:

1. Replace the wet interior roof hatch.
2. Install a cover over the top platform opening.
3. Install a handhold at the access tube roof hatch.
4. Install deflector bars on the fill pipe and draw pipe.
5. Install a flap gate on the overflow discharge.
6. Replace the condensate drain line.
7. Install a sample tap on the draw pipe.
8. Install a chemical feed tap on the draw pipe.
9. Remove the antenna mounting structure at the center of the roof.
10. Replace the seal at the access tube air gap.
11. Replace light fixtures in the dry interior.
12. Change all light bulbs in the dry interior and in the aviation light.

1. Contractor may need to remove fence or a fence section for set-up of containment perimeter.  Fence to be reinstalled after work has been completed.  Condition of fence to be equal to the original fence, or better.  Quality for reinstallation is solely at the discretion of the Owner unless pictorial documentation is completed by the Contractor.
2. The power lines attached to the structure will be removed prior to the start of the project.  The Owner will coordinate removal with the utility.
3. The antenna owners will temporarily remove the antennas and cables prior to the start of the project.
4. Due to supply chain issues, the Owner reserves the right to require that the Contractor is to have all of the required coating for the project delivered to the site or to the Owner’s storage facility prior to the tank being taken out-of-service and commencement of the project.