Specifications include, but are not limited to: A. VACTOR TRUCK SERVICE. Contractor shall provide all labor, tools, equipment and materials needed to perform wet and dry vactor services to remove debris such as sludge, rags, grit, scum, sandblasting media, etc. from tanks, sumps, manholes and similar structures located at County Water Reclamation Facilities (WRF). Most tanks are circular or rectangular with open and closed tops, and have limited entry and egress openings. Entry into most tanks will be into “permit required confined space”: i. Tres Rios WRF - 7101 N. Casa Grande Highway, Tucson AZ, 85743 Grit Chambers – 95’x18.5’x10’ SWD Primary Clarifiers – 216’x40’x9’ SWD Reactors (3 cells each) – 132’x44’x11’ SWD Final Clarifiers – 115’ dia. 14’ SWD