Southern Arizona VA Health Care System Tucson- Cleaning and Inspection of 200k Gallon Elevated Potable Water Tank **One-Time Service**   2

Background
The Southern Arizona VA Health Care System (SAVAHCS) has a requirement to clean & inspect the 200K gallon elevated potable water tank (Building 41) and receives a comprehensive report with the findings every 3 years. It was last inspected and cleaned in 2021.

Work Details
The contractor shall provide all equipment, materials, transportation, labor, and necessary personnel required to complete the cleaning and inspection of a welded steel elevated potable water tank (142.5ft high x 37Ft Diameter x13.7 ¾” ft Deep) (Building 41) built in 1961 by Chicago Bridge & Iron Company. The contractor will have vehicle access and 110 VAC is on site.
The tower has 4 weld steel tubular columns and has a 24” hatch with an external ladder with safety cable. The discharge is on the ground and the torus height to the bottom is 109 ft 4 1/2”. The work shall include in-service inspection of interior and exterior, reporting based on water tank inspection criteria referencing OSHA, EPA, AWWA, TCEQ, and NFPA requirements. Inspection items examined will include ladders shell, roof, vent, manways, welds, seams, foundation, anchors, safety systems, hatches, internal overflow, and plumbing. Additionally, in-service cleaning shall involve removal of accumulated bottom sediment as well as all debris in the tank at no additional cost.

Period of Performance
Delivery of service to occur NLT 45 days from ARO. To minimize impact to patients, the vendor must contact the customer (Utilities section) to schedule work. Service will not be performed during holidays and shall complete service during the work week (M-F) in no more than 5 consecutive calendar days (weather permitting).