Tank Painting and Repairs 136th Avenue and Garfield Street Tank

The Project is to perform repairs, modifications and painting of the City of Thornton’s 136th Avenue and Garfield Street Water Storage Tank. The tank is a 5 million gallon welded steel tank with a diameter of 160’-0” and a 33’-6” side wall height. The tank has a welded steel roof supported by interior steel columns and beams. Repair and modification work generally includes all labor, materials and equipment to: - Remove and Replace the existing manway with a larger manway; - Remove and replace the center roof vent with a new frost proof center roof vent; - Install 3 additional roof vents - Remove and replace interior (wet) ladder; - Remove and replace exterior ladder; - Installation of new roof edge railing (20 linear feet) - Reattach existing communications antenna cabling; - Structural strengthening of existing corroded steel roof support beams. Involves field welding of steel bar to existing beams. - Replacement of corroded or missing connection bolts at steel roof support beams - Grouting at tank base flange (approximately 25% of tank circumference) - Cathodic protection system replacement. - Completely remove the existing interior coating, and - Remove, haul and properly dispose of all demolition debris including residuals from recoating procedure.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete, Concrete Reinforcing, Cast-in-Place Concrete.
Division 05 -	Metals, Structural Metal Framing, Metal Decking.
Division 09 -	Finishes, Painting.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Facility Fuel Piping, Facility Fuel-Storage Tanks.
Division 31 -	Earthwork, Clearing and Grubbing, Grading.
Division 32 -	Exterior Improvements, Fences and Gates.
Division 33 -	Utilities, Storm Drainage Utilities.