Attachment_I_-_SmallStaticMetersSpecifications_-#1.docx

RFP 202268

Various Size Water Meters Attachment I

DESIGN and PERFORMANCE SPECIFICATIONS Tucson Water Static Water Meters Sizes 5/8x3/4-inch through 4-inch

COMPLY

YES OR NO

COMMENTS

size, weight, type, etc

Meters shall use solid state technology in totally encapsulated, waterproof housing. Meter and register may be a single unit, but there shall be no moving parts in the flow path. Removable register is preferred (indicate integrated or removable). Open to options with mechanical meter with digital displays that are compatible with AMI

Meters and registers shall be Itron compatible with 500W+ ERTs.

Meters shall be lead free bronze, polymer, or stainless-steel construction per NSF/ANSI 61 specifications.

Meter safe maximum operating capacity (SMOC) values by size shall be at minimum:

5/8x3/4-inch = 20 gpm 3/4-inch = 30 gpm 1-inch = 50 gpm 1-1/2-inch = 100 gpm 2-inch = 160 gpm 3-inch = 500 gpm 4-inch = 1000 gpm

Meters shall operate accurately at extended low flow rates at minimums shown below by meter size:

5/8x3/4-inch = 0.05 gpm 3/4-inch = 0.05 gpm 1-inch = 0.25 gpm 1-1/2-inch = 0.40 gpm 2-inch = 0.50 gpm 3-inch = 0.50 gpm 4-inch = 0.75 gpm

Maximum head loss shall not exceed 2.5 psi at 15 gpm for 5/8x3/4-inch, 3/4-inch, and 1-inch meters. Maximum headloss shall not exceed 5 psi at 100 gpm for 1 1/2-inch and 2-inch meters. Maximum headloss shall not exceed 3.0 psi at 350 gpm for 3-inch and 600 gpm for 4-inch meters.

Meter register shall contain a programmable 9-digit LCD display with the following features: but are open to options -non-removable or removable from meter (indicate which) -Meter shall update ERT every 1 cubic foot or less -Consumption (to 1 cubic foot or less) -Rate of flow (gpm) -Reverse-flow indicator or detection -Leak indicator or detection (low flow) -High resolution ASCII encoder protocol

Encoder register for 5/8x3/4-inch, 3/4-inch, 1-inch, 1-1/2-inch, and 2-inch meters shall have a 5-foot Itron quick connect/in-line connector. Length is negotiable.

Encoder for 3-inch and 4-inch meters shall have a 12-foot Itron quick connect/in-line connector.

Serial numbers shall be stamped onto the register lid as well as the meter body.

Meter size, model, registration (cubic feet), and date of manufacture shall be printed on the register face. Alternatives and possible substitutions are optional.

Meters and registers shall be submersible in pit/vault environments and shall be waterproof and weatherproof.

Bolts that attach the bottom plate to the meter case shall be stainless steel, if applicable.

Meters shall be maintenance free and contain no internal moving parts. ). Open to options with mechanical meter with digital displays that are compatible with AMI

The maximum operating pressure of the meter housing shall be at least 175 psi.

The electronic register for 5/8x3/4-inch, 3/4-inch, and 1-inch meters shall have a 20-year battery life with reads still obtainable on-site in the event of the LCD screen failing or battery failure. The electronic register for 1 ½-inch, 2-inch, 3-inch, and 4-inch meters shall have a 10-year battery life with reads still obtainable on-site in the event of the LCD screen failing or battery failure.

5/8x3/4-inch, 3/4-inch, and 1-inch meters shall meet or exceed AWWA C715 new meter low, normal, and high flow new meter accuracy standards for a period of 20 years from date of shipment from manufacturer with no limit on cumulative flow through the meter.

Meters sized 1 ½ and 2-inches shall meet or exceed AWWA C715 new meter low, normal, and high flow new meter accuracy standards for a period of 10 years from date of shipment from manufacturer with no limit on cumulative flow through the meter.

3-inch, and 4-inch meters shall meet or exceed AWWA C715 new meter low, normal, and high flow new meter accuracy standards for a period of 3 years from date of shipment from manufacturer with no limit on cumulative flow through the meter.

All meters 1-1/2” and larger are preferred to have FIP outlet test ports for field accuracy testing. Alternatives and other options can be considered.

Meter deliveries must include an inventory upload file for the City to upload serial numbers into its meter inventory system via a format provided by the City of Tucson.

All meters shall conform to the AWWA standards for the latest AWWA C715 Type 1 meters at minimum.

All technical specification sheets for each meter shall be included in the final response to Request for Proposal. Such information should include accuracy versus flow and head loss versus flow curves as well as physical dimensions.

Lay length requirements for meters are as follows:

5/8x3/4-inch = 7-1/2 inches 3/4-inch = 7-1/2 inches 1-inch =10-3/4 inches 1-1/2-inch = 13 inches 2-inch = 17 inches 3-inch = 17 inches 4-inch = 20 inches Alternatives and other options can be considered.