Specifications include, but are not limited to: (x1) 24-inch butterfly valve suitable for buried service. The valve should come equipped with a factory-applied corrosion-resistant coating, possess a tight closing mechanism, and have a minimum working pressure of 125 psig. Additionally, it should feature a 2- inch operator nut and meet NSF-61 standards. Preferred options include Pratt Groundhog, Dezurik AWWA, Crispin 47, or equivalents (x2) 36-inch butterfly valves suitable for buried service. These valves should meet the same specifications as the 24-inch valve: factory-applied corrosion-resistant coating, tight closing capability, minimum working pressure of 125 psig, 2-inch operator nut, and compliance with NSF-61 standards. Preferred models include Pratt Groundhog, Dezurik AWWA, Crispin 47, or equivalents