4-Exhibit A - Zurn Model 950XL3 Double Check Valve Assembly.pdf

This is an exhibit specification document for the City of Dallas' three-year Indefinite Delivery/Indefinite Quantity (ID/IQ) master agreement for fire hydrant backflow preventers. The exhibit details the required Zurn Model 950XL3 Double Check Valve Assembly as a specified product for this procurement. The document establishes the technical requirements and specifications for backflow prevention equipment to be supplied under the master agreement, which will provide the city with a pre-established source for acquiring these critical water safety components over the three-year contract period.

The exhibit serves as a product specification sheet that prescribes the exact model and type of double check valve assembly acceptable for contract performance. This specification approach allows the City of Dallas to ensure standardization of backflow prevention equipment across its fire hydrant infrastructure while maintaining a streamlined procurement process through the master agreement structure. The Zurn Model 950XL3 represents the approved equipment standard for meeting the city's backflow prevention requirements during the contract term.