Specifications include, but are not limited to: Orchard Tank: The structure is a 1,000,000-gallon spheroid that is located at 1901 Orchard Gateway Blvd. in North Aurora, Illinois and has an estimated low-water level of 123 ft. Butterfield Tank: The structure is a 500,000-gallon spheroid that is located at 314 Butterfield Rd. in North Aurora, Illinois and has an estimated low-water level of 112 ft. The work includes: Orchard Tank: Wet interior: Spot abrasive blast clean coating failures to a SSPC-SP10 near-white metal standard. Apply a spot two (2) coat epoxy system. The amount of repair is estimated at less than 200 sq. ft. Install a mechanical mixer (note that the wet interior is to be cleaned of sediment as part of this work). Replace the expansion joint. Overflow discharge modification. Replace the roof vent. Butterfield Tank: Install a mechanical mixer (note that the wet interior is to be cleaned of sediment as part of this work).