2023 storage tanks

The Bureau of Land Management (BLM) Billings Field Office is partnering with Milton Ranch, LLC to upgrade the water storage system servicing the BLM grazing allotment by purchasing two 20,000 gallon ribbed, horizontal fiberglass storage tanks. The contractor is responsible for providing, transporting, and offloading the tanks at the Sundance Lodge wareyard managed by the Billings BLM Field Office. The tanks must meet specific manufacturing, design, and storage criteria, and will be used for non-potable water to service livestock.

List of products and services to be provided by the contractor:

1. Two 20,000 gallon ribbed, horizontal fiberglass storage tanks
2. Transportation and offloading of the tanks at the specified location
3. Tanks must meet or exceed ASTM D3299, ASTM D4097, and AWWA D120 standards
4. Tanks must withstand a 5-psig air-pressure test with 5:1 safety factor
5. Tanks must support accessory equipment when installed according to tank manufacturers current Installation Manual and Operating Guidelines
6. Tanks must have a structural wall thickness of a minimum 0.375” or thicker if load calculations require
7. Tanks must be capable of storing approximately 20,000 gallons of water products with specific gravity up to 1.1
8. Tanks must be vented to atmospheric pressure
9. Tanks must be manufactured with 100% resin and glass-fiber reinforcement with no sand fillers
10. Tanks must have a capacity of 20,000 plus gallons
11. Tanks must have nominal outside diameter of approximately 12 feet
12. Tanks must have approximate overall length of 26 feet
13. Each tank must have one manway, flanged and 30"-nominal diameter, complete with gasket, bolting hardware and FRP cover
14. Each tank must have one air vent fitting at the top of the radius of the tanks
15. One tank must have a FRP top dome nozzle that shall be 4 inches, flat-faced and flanged
16. The tank with the overflow must have two FRP bottom dome nozzles, and one tank needs only one FRP bottom dome nozzle
17. FRP access openings must be 30” in diameter
18. PVC Risers and FRP lids must be provided by the tank manufacture for field installation on access openings
19. Saddles must be provided to the BLM for short term