Meter_Lid_Details_2021.pdf

PDF 2 MB Posted Oct 9, 2026

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

About this file

Written by GovTribe AI · Oct 12, 2026

This is a Procurement and Manufacturing Detail specification document prepared by the Washington Suburban Sanitary Commission (WSSC Water) for the Advanced Metering Infrastructure (AMI) Materials Request for Qualification 2026. The document provides technical specifications and detailed engineering drawings for meter-related components, including meter frames in three sizes (15", 18", and 21"), meter covers in various configurations (9" and 12" standard and traffic designs, and 21" standard), and associated hardware such as pentagon head bolts, washers, and locking mechanisms. All gray iron castings must meet ASTM A-48 Class 25 minimum standards, with materials including low alloy steel per ASTM A307. The specification establishes dimensional tolerances of ±1/16" unless otherwise noted, requires castings to be cleaned and coated with approved solvent-based asphalt paint, and indicates that WSSC is no longer using Meter Frame "C" type for new installations. The document includes comprehensive technical drawings with cross-sectional views, assembly details, and scale specifications for each component type, with revision approval documentation dated May 3, 2021.

This specification document serves as a manufacturing reference guide for qualified vendors responding to the AMI Materials Request for Qualification with a December 11, 2026 submission deadline. The drawings and technical requirements establish the baseline standards against which submitted materials will be evaluated for conformance, compatibility with existing WSSC pit configurations, and operational requirements. No pricing information, quantities, contract values, or award amounts are specified in this technical document, as those elements are addressed separately in the Request for Qualification evaluation criteria and vendor qualification checklists.

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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
Request_for_Qualification_-_AMI_Materials.pdf	PDF	Sep 23, 2026
Material_Qualification_Checklist_.xlsx	XLSX spreadsheet	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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AMI Materials Request for Qualification 2026

Excerpt from

SECTION IX

PROCUREMENT

AND

MANUFACTURING

DETAILS

SEPTEMBER 2021

Table of Contents Excerpt from PROCUREMENT AND MANUFACTURING DETAILS

TABLE OF CONTENTS

NUMBER

P&M /4.0

P&M /4.0a

P&M /4.1

P&M /4.2

P&M /4.3

P&M /4.4

P&M /4.5

P&M /4.6

P&M /4.7

P&M /4.8

P&M /4.9

P&M /4.10

P&M /4.11

TITLE

Meter Frames for 15”, 18” and 21” Meter Housing

Type “A” Meter Frames For Meter Housing

Single and Double Meter Covers

Meter Covers Parts

9” Standard Meter Covers

9” Traffic 2 Holes Meter Covers

9” Traffic Single Hole Meter Covers

12” Standard Single Hole Meter Covers

12” Standard Double Hole Meter Covers

12” Traffic Single Hole Meter Covers

12” Traffic Double Hole Meter Covers

21” Standard Single Hole Meter Covers

APPLICABLE STOCK NO.

5310-9400-1

MATERIAL:

LOW ALLOY STEEL IN

ACCORDANCE WITH ASTM A307,

LATEST REVISION

THICKNESS:1/4"

2" 13/16"

P&M 3.0

MANHOLE FRAME WASHER,

NOMINAL DIAMETER 3/4"

(REVISED 3/2016) P&M3.0

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

MATERIALS MANAGEMENT DIVISION MANAGER

DocuSign Envelope ID: CEE8927B-CC8A-46B4-809B-B0929A71426B

May 3, 2021 | 9:23 PM EDT

NOTE:

1. ALL GRAY IRON CASTINGS TO BE ASTM A-48 CLASS 25 MIN.

2. SEE P&M/4.1 FOR WEIGHTS

3. TOLERANCE OF +/- 1/16" UNLESS NOTED OTHERWISE

4. CASTING SHALL BE CLEANED BY AN APPROVED PROCESS AND COATED

WITH AN APPROVED SOLVENT-BASED ASPHALT PAINT.

5. WSSC IS NO LONGER USING METER FRAME "C" TYPE FOR NEW INSTALLATIONS.

SECTION C-C

"A" (SEE TABLE)

FRAME TYPE

"A"

DIMENSION

15" DOUBLE FRAME 17 5/16" ± 1/8

18" DOUBLE FRAME 20" ± 1/8

21" DOUBLE FRAME 23" ± 1/8

*NO MINUS

TOLERANCE

1/ 2"

1 3/8"

1 1/4"

7/16"

SURFACES TO

BE SMOOTH

3/8" 1/8"

8" CLEAR OPENING

11 1/2" CLEAR OPENING

P&M 4.0

TYPE "C" METER FRAMES

FOR 15", 18" AND 21"

METER HOUSING

APPLICABLE STOCK NOS.

(REVISED 3/2016) P&M4.0

15" DOUBLE FRAME 6680-9040-0

18" DOUBLE FRAME 6680-9041-8

21" DOUBLE FRAME 6680-9042-6

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

MATERIALS MANAGEMENT DIVISION MANAGER

SECTION C-C

NOTE:

1. ALL GRAY IRON CASTINGS TO BE ASTM A-48 CLASS 25 MIN.

2. SEE P&M/4.1 FOR WEIGHTS

3. TOLERANCE OF +/- 1/16" UNLESS NOTED OTHERWISE

4. CASTING SHALL BE CLEANED BY AN APPROVED PROCESS AND COATED

WITH AN APPROVED SOLVENT-BASED ASPHALT PAINT.

11 1/2" CLEAR OPENING

/1 6"

3/ 4"

22 3/16"

12 7/8"

19 11/32"

P&M 4.0aTYPE "A" METER FRAMES

FOR METER HOUSING

APPLICABLE STOCK NOS.

"A" TYPE FRAME 6680-9043-4

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

MATERIALS MANAGEMENT DIVISION MANAGER

WATER

METER

WSSC

M A N U F A C T U R E R

TOP VIEW

(TYP SINGLE AND DOUBLE)

BOTTOM VIEW DOUBLE COVERBOTTOM VIEW DOUBLE COVER

A A

SINGLE AND DOUBLE

METER COVERS

P&M 4.1

NOTES:

SCALE: 1"=4.0"

SCALE: 1"=4.0" SCALE: 1"=4.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

SECTION A-A

SECTION B-B

SECTION A-A

(DOUBLE COVER)

(TYP SINGLE COVER AND DOUBLE COVER)

(SINGLE COVER)

SINGLE AND DOUBLE

METER COVERS

P&M 4.2

NOTES:

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

PENTAGON HEAD BOLT

BRONZE OR PLASTIC WASHER

CAST IRON WORM

TOP VIEW

SIDE VIEW

ASSEMBLED SECTION OF LOCK

METER COVER PARTS

P&M 4.3

NOTES:

FULL SCALE

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

9" STANDARD

METER COVERS

P&M 4.4

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

9" TRAFFIC 2 HOLES

P&M 4.5

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

9" TRAFFIC SINGLE HOLE

P&M 4.6

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

12"STANDARD SINGLE HOLE

P&M 4.7

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

12" STANDARD DOUBLE HOLE

P&M 4.8

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

12" TRAFFIC SINGLE HOLE

P&M 4.9

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

12"TRAFFIC DOUBLE HOLE

P&M 4.10

SCALE: 1"=2.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

21" STANDARD SINGLE HOLE

P&M 4.11

SCALE: 1"=4.0"

WASHINGTON

SUBURBAN

SANITARY

COMMISSION

REVISIONS:

APPROVED: __________________

PROCUREMENT AND MANUFACTURING DETAIL

File details come from the government source that posted it. Updated Oct 12, 2026.