Statement of Requirement CE Backflow Preventor.docx

Statement of Requirement (SOR)

1. General Information

The 117 Air Refueling Wing (ARW) Civil Engineering Squadron is requesting a Backflow Preventer, ZURN 10" 375DA Double Check Valve Backflow Preventer. Backflow Preventers are designed for installation on water lines in fire protection systems to protect against both back siphonage and back pressure of contaminated water into the potable water supply.

1.1. CLIN0001: Qty 2, Backflow Preventer, ZURN 10" 375DA Double Check Valve Backflow Preventer. (Or Equal).

1.2. Specifications:

Key features:

· Sizes: 10”

· Maximum working water pressure 175 PSI

· Maximum working water temperature 140°F

· Hydrostatic test pressure 350 PSI

· End connections (Grooved for steel pipe) AWWA C606, (Flanged bolt pattern) ASME B16.42

Specifications:

· The Reduced Pressure Detector Backflow Prevention Assembly shall be certified to NSF/ANSI/CAN 61, ASSE® Listed 1047, and supplied with full port OS & Y gate valves. The main body and access cover shall be epoxy coated ductile iron (ASTM A536), the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks and the relief valve shall be accessible for maintenance without removing the device from the line. The Reduced Pressure Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 375DA.

Application:

· Designed for installation on water lines in fire protection systems to protect against both back siphonage and backpressure of contaminated water into the potable water supply. The Model 375DA shall provide protection where a potential health hazard exists. Incorporates metered bypass to detect leaks and unauthorized water use.

· Additional information is found on the Purchase Description.

2. Delivery, Inspection and Acceptance

2.1. Place of Delivery: Sumpter Smith Air National Guard Base (117ARW) Civil Engineering Squadron Building 5401 E. Lake Blvd. Birmingham, AL 35217-3545, POC for delivery

Wilfredo Rodriquez Vazquez wilfredo.rodriguezvazquez.1@us.af.mil 205-714-2247

2.2. Inspection and acceptance will occur at time of delivery by a government representative. A comprehensive bill of lading or delivery receipt shall accompany all deliverables that details, at minimum, all part numbers and sizes associated with the requested structural coats and pants

Warranty

All equipment shall have the standard manufacturer’s warranty. The Contractor shall warranty all items delivered and ensure all items are free from defects in material and workmanship under normal use and service. Additionally, without charge, repair or replace any equipment found to be defective in material or workmanship provided said equipment has been operated within standard procedures and instructions and such defects are not due to abuse, misuse or Acts of God.

Documentation The contractor shall provide all owner’s manuals, service manuals and any other manufacturer documentation that accompanies the purchase of this item. If any equipment installed has its own service and owner’s manual these will also be provided by the contractor.