Material_Qualification_Checklist_.xlsx

XLSX spreadsheet 44 KB Posted Sep 23, 2026

Attached to: Request for Qualification - AMI Materials
Solicitation number: 119580
Issued by: Prince George's County, Maryland

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Written by GovTribe AI · Sep 28, 2026

This Material Qualification Checklist is a technical evaluation document prepared by the Washington Suburban Sanitary Commission (WSSC Water) in Maryland for a Request for Qualification of Advanced Metering Infrastructure (AMI) materials. The document outlines comprehensive submittal and evaluation requirements for four categories of materials: water meters (available in positive displacement, ultrasonic, turbine, and fire service types ranging from 5/8" to 12"), transmitters (AMI/AMR compatible devices for meter reading), composite lids for meter pits in 9-inch, 11-inch, and 20-inch diameter configurations, and associated accessories. Qualifications are being accepted on a rolling basis through WSSC's eProcurement Portal with a deadline of 2:00 pm on Friday, December 11, 2026. Responses will be evaluated against detailed checklists that assess technical specifications, field performance, and compliance with industry standards such as AWWA requirements. Materials approval will occur on a rolling basis with approved vendors and materials posted publicly on the WSSC Water website at wsscwater.com/AMI-Materials-RFQu.

The checklist establishes specific technical requirements for meter accuracy verification, battery life expectations, weatherproofing standards, and compatibility with existing WSSC infrastructure. For meter accessories, submissions must include gaskets (200 per bag for meters 5/8" through 1"), pit pads meeting defined dimensional and material specifications, wall pads for interior meters, and bolts/nuts/washers compliant with AWWA C-700 standards. Delivery and packaging requirements are stringent, requiring individual cartons with certificates of test accuracy, test tags documenting results and manufacturing dates, Microsoft Excel summary files with serial numbers and test data, and specific pallet labeling and stacking configurations. Transmitters must undergo eight-week field testing to verify successful installation and material durability under drop tests, while composite lids must demonstrate proper fit, secure closure, flush ground installation, and compatibility with three meter reading modes (AMI, AMR, and manual touch read). The document includes threaded comments indicating ongoing clarification discussions regarding transmitter accessories and composite lid delivery specifications.

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Other files

File	Type	Posted
Request_for_Qualification_-_AMI_Materials_(Addendum_#1_Revision).pdf	PDF	Oct 9, 2026
Material_Qualification_Checklist_-_Revised_10-8-2026.xlsx	XLSX spreadsheet	Oct 9, 2026
Meter_Lid_Details_2021.pdf	PDF	Oct 9, 2026
Request_for_Qualification_-_AMI_Materials.pdf	PDF	Sep 23, 2026
WSSC_Water_Meter_Specifications.docx	DOCX document	Sep 23, 2026
Mid-Atlantic_Purchasing_Team_Intergovernmental_&_Cooperative_Purchasing_Clause.pdf	PDF	Sep 23, 2026

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1 - Required Meter Submittals

Manufacturer Name:

Meter Type and Size

Positive Displacement

Ultrasonic

Turbine

Fire Service (FM)

5/8" x 5/8"

5/8" x 3/4"

3/4"

1 1/2"

2" x 17"

2" x 15.25"

5/8"

3/4"

1 1/2"

2" x 15.25"

2" x 17"

10"

12"

10"

12"

No.

Meter Submittals

Model:

Manufacturer-provided return slip, for samples to be returned after WSSC Water review

Advanced Metering Infrastructure (AMI) and/or Automated Meter Reading (AMR) read mode and programmability

Expected battery life for digital components

Climate requirements

Weatherproofing standards

Meter Evaluation Checklist (WSSC Water Use)
1	Meter demonstrates read accuracy per AWWA standard on a test bench in a shop setting.
2	Over an eight-week field testing period, meter provides visual read of water usage, either via digital or analog register.

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2 - Required Meter Accessories

Manufacturer Name:
Meter Model:
No.	Required Meter Accessories

tc={B722D515-38D1-47AF-9690-DF107E303C43}: [Threaded comment]

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Comment:

@Patterson, Christin is there an accessories sheet needed for transmitters or composite lids?	Yes	No	N/A
	1	The accessories shall be included in each meter package based on the type.
	2	A quantity of 2 gaskets shall be provided for each 5/8" through 1" meter. Gaskets shall be shipped in cartons marked "gaskets". Gaskets shall be packed in bags of 200 each and marked with quantity and size.
	3	Each shipment shall include a document with the manufacturer's instructions on how to read the register and how to interpret the register sweep hand/display, or those instructions must be easily available on the manufacturer’s website.
	4	Small outside meters shall require a pit pad. It shall be black in color, and of a sturdy and tamperproof construction. Materials employed shall be corrosion resistant, resistant to ultraviolet degradation, unaffected by rain or condensation, and compatible with rugged service and long life.
	5	The pit pads shall allow for ease of installation on any meter pit lid (plastic, cast iron or composite) that has a 1.75" diameter hole in the lid and shall be between 4.0" and 4.375" in outside diameter. The overall thickness of the exposed portion of the pit pad shall not exceed 0.375".
	6	Small inside meters shall require a wall pad with two terminal connections, and two mounting holes set 180 degrees apart.
	7	Large meters shall have the correct number of bolts, nuts and washers made of bronze or stainless-steel meeting the requirements of AWWA C-700 (latest revision) with the exception of the nuts and bolts for external flanges. Nuts and bolts for external flanges shall be of type 316, and or 430 stainless steel with fluoropolymer coating and or coating to prevent galling. Two ring/drop gaskets with one or more annular rings molded into the gasket, shall be furnished with each meter. The required quantities of nuts and bolts for each size of meter are as follows:
		Size Quantity
	7A	1.5” 4
	7B	2” 4
	7C	3” 8
	7D	4” 16
	7E	6 - 8” 16
	7F	10 - 12” 24

@Patterson, Christin is there an accessories sheet needed for transmitters or composite lids?

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3 - Meter Delivery Packaging

Manufacturer Name:
Meter Model:
No.	Required Packaging - Delivery

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Comment:

@Patterson, Christin are there specific delivery requirements we need to add for transmitters or composite lids?	Yes	No	N/A
	1	Each meter shall be packaged, large meters individually, in a suitable wooden carton or box which provides adequate protection from damage.
	2	A certificate of test accuracy shall be supplied with each delivered meter which attests that the meter registers at or within the accuracy parameters stated per meter type and size attached.
	3	The test tags shall be affixed to each meter and shall state the meter test results (showing that the meter is accurate at minimum, intermediate, and maximum flows), the date of manufacture, the test bench where it was tested, and the date of the test.
	4	A summary file detailing meter serial numbers, test results, date of purchase, contract number and purchase order number in a Microsoft excel format shall be supplied to the Contract Manager via email.
	6	Cartons will be stretch wrapped on 42" x 42" four-way entry perimeter base pallets, stacked no more than 40” high (including the height of the pallet).
	7	Crates for 6” through 12” meters shall not exceed 40 inches in height and shall be suitable for forklift handling.
	8	Pallets will be stretch wrapped and shall be marked on all four sides with manufacturer's name, meter size, WSSC stock number, delivery release number, serial number range of meters on pallet, and number of meters with one half inch size lettering or larger except for the WSSC stock number which shall be in one inch size lettering or larger.
	9	Only one size meter per pallet will be accepted.
	10	Cartons shall be stacked on pallets in serial number order with the lowest number on top and the highest on the bottom. Cartons on the outer sides of the stacks shall be stacked with the labels facing outward so they can be read without unstacking the cartons.
	11	Cartons shall be labeled with the carton number, e.g., 1 of 50, 2 of 50, etc., the WSSC stock number, delivery release number, the manufacturer’s part number, manufacturer’s description, and serial number range within carton.
		Large meter crates shall include weight in one inch size font or larger.
	12	The crates shall be labeled with the WSSC stock number, WSSC purchase order number, manufacturer’s name, manufacturer’s approved part or model number, and size.
	13	Failure to comply with these packaging requirements may be grounds for rejection of the shipment.

@Patterson, Christin are there specific delivery requirements we need to add for transmitters or composite lids?

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4 - Reqd Transmitter Submittals

	Manufacturer Name:
		Transmitter Model 1:	Transmitter Model 2:	Transmitter Model 3:
No.	Transmitter Submittals
1	Manufacturer-provided return slip, for samples to be returned after WSSC Water review
2	AMI and/or AMR read mode and programmability
3	Transmission data resolution and programmability
4	Radiofrequency range used for transmission, and licensed or unlicensed status
5	Transmission duration
6	Expected battery life
7	Climate requirements
8	Weatherproofing standards
9	List of compatible meter makes and models for transmitting reads, and indication of whether meter protocols are released	*

10	Physical samples of mechanism(s) for anchoring devices to exterior wall
11	Physical samples of mechanism(s) for anchoring devices to meter pit lid

Transmitter Evaluation Checklist (WSSC Water Use)
1	Over an eight-week field testing period, transmitter can be successfully anchored to exterior wall and/or meter pit lid.
2	Over an eight week field testing period, transmitter material demonstrates flexibility to survive drop test from a height of eight feet.

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5 - Required Lid Submittals

	Manufacturer Name:
		Lid Model 1:	Lid Model 2:	Lid Model 3:
No.	Composite Lid Submittals
1	Manufacturer-provided return slip, for samples to be returned after WSSC Water review. Note that it will be in used condition
2	Size
3	Material description
4	Climate requirements
5	Weatherproofing standards
6	Scaled detail drawings

Composite Lid Evaluation Checklist (WSSC Water Use)
1	Lid fits standard WSSC Water circular meter pit at 9-inch, 11-inch, or 20-inch diameter.
2	Lid has significant weight to close securely when locked into pit frame.
3	Lids lays flush with ground cover to not pose a tripping hazard.
4	WSSC is able to capture a read through the lid via three reading modes to support current and future meter reading operations – Advanced Metering Infrastructure (AMI), Automated Meter Reading (AMR), and manual touch read.

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File details come from the government source that posted it. Updated Sep 28, 2026.