AMENDMENT 0001.pdf

NAVFAC

SPECIFICATION

7386810 Phase 2 Provide New

Altitude Valves Elevated Water Tanks 2063, 114, MCAS Cherry Point, NC AMENDMENT

#0001

IMPORTANT

This amendment should be acknowledged when your proposal is submitted. Failure to acknowledge the amendment may constitute grounds for rejection of the proposal.

If your proposal has been submitted prior to the receipt of this amendment, acknowledgement should be made by telegram, which should state whether the price contained in your proposal is to remain unchanged, is to be decreased by an amount, or is to be increased by an amount. The acknowledgement must be received prior to proposal opening time.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

1 2

2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO. 5. PROJECT NO. (If applicable)

0001 7/23/2024 7386810

6. ISSUED BY Code N40085 7. ADMINISTERED BY (If other than item 6.) Code

CG MCAS Cherry Point

FACILITIES, ROICC

B-163, CURTIS ROAD

PSC BOX 8006

CHERRY POINT, NC 28533

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code) 9A. AMENDMENT OF SOLICITATION

Phase 2 Provide New Altitude Valves Elevated Water Tanks 2063, 114, 3455

9B. DATED (SEE ITEM 11)

AMENDMENT MUST BE ACKNOWLEDGED WITH YOUR PROPOSAL 10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in item 14. The hour and date specified for receipt of Offers is extended is not extended. Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods: (a) By completing items 8 and 15, and returning 1 copy of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (if required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14. ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATION CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103 (b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER: (specify type of modification and authority)

E. IMPORTANT: Contractor is not is required to sign this document and return original to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

7386810 Phase 2 Provide New Altitude Valves Elevated Water Tanks 2063, 114, 3455, Marine Corps Air

Station Cherry Point, NC

Amendment 0001 is being issued to respond to pre-award RFI.

The deadline to submit pre-award RFI’s REMAINS 29 July 2024 at 9:00 AM.

The proposal due date of 07 August 2024 at 1:00 PM local time REMAINS unchanged.

See Attached.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR (Same as Item 8) 15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 16C. DATE SIGNED

BY

(Signature of person authorized to sign) (Signature of Contracting Officer)

NSN 7540-01-152-8070 30-105 STANDARD FORM 30 (REV.1-83) 0224-3(10-90)

PREVIOUS EDITION UNUSABLE Prescribed by GSA

Amendment 0001 7386810 Phase 2 Provide New Altitude Valves Elevated Water Tanks 2063, 114, 3455

RFI Responses:

1. Note 15 on the CU drawing indicates the system needs to be chlorinated prior to being returned to service. Does this include the tank? If so, please provide the storage capacities for all three tanks.

Response: Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

NOTE: See Specification Section 00 15 00 PROJECT DRAWINGS and Section 33 11 00 WATER UTILITY DISTRIBUTION PIPING, Paragraph 3.2.2.

2. Referencing detail 3 on sheet CU102, calls for (2) new 16" double disc gate valves. Although double disc valves are available, they have extremely long lead times and are not as readily available as resilient seated gate valves. Our vendor also states that resilient seated gate valves are the valve the surrounding municipalities specify for elevated storage tanks. Also, parts for double discs are not as readily available for maintenance.

Response:

See revised NAVFAC Drawings Nos. 12908266 through 12908270 with a revision date of July 15, 2024.

See revised Specification Section 33 11 00 WATER UTILITY DISTRIBUTION PIPING.

3. Referencing detail 3 on sheet CU102 and CU103, calls for a "weld on" flange. Due to the space constraints it will be very difficult to install a "weld on" flange, can a 150psi restrained flange adapter be utilized instead?

Response:

See revised NAVFAC Drawings Nos. 12908266 through 12908270 with a revision date of July 15, 2024.

See revised Specification Section 33 11 00 WATER UTILITY DISTRIBUTION PIPING.

CONTINUATION SHEET

REVISED SPECIFICATIONS

PROJECT TABLE OF CONTENTS

SECTION 33 11 00, WATER UTILITY DISTRIBUTION PIPING is deleted and 33 11 00, WATER UTILITY DISTRIBUTION PIPING, dated July 15, 2024, as shown in the footer, is added to the Project Table of Contents and accompanies this Amendment.

REVISED DRAWINGS

SECTION 00 01 15 – LIST OF DRAWINGS

1.2 CONTRACT DRAWINGS

The following drawing has been revised as of July 15, 2024:

NAVFAC DWG NO. TITLE

12908266 COVER SHEET

12908267 PROJECT AREA INDEX MAP, NOTES AND LEGEND

12908268 SITE PLAN AND DETAILS – STORAGE TANK 114

12908269 SITE PLAN AND DETAILS – STORAGE TANK 3455

12908270 SITE PLAN AND DETAILS – STORAGE TANK 2063

This revised drawing accompanies this Amendment.

PROVIDE NEW VALVES ELEVATED WATER STORAGE TANKS, PHASE 2 WO7386810

DOCUMENT 00 01 15

LIST OF DRAWINGS

02/11, CHG 1: 08/14

PART 1 GENERAL

1.1 SUMMARY

This section lists the drawings for the project pursuant to contract clause "DFARS 252.236-7001, Contract Drawings, Maps and Specifications."

1.2 CONTRACT DRAWINGS

Contract drawings are as follows:

SHEET NO. DRAWING NO. NAVFAC DWG

NO.

TITLE

1 OF 5 G-001 12908266 COVER SHEET

2 OF 5 G-002 12908267 PROJECT AREA INDEX MAP, NOTES AND LEGEND

3 OF 5 CU101 12908268 SITE PLAN AND DETAILS - STORAGE TANK 114

4 OF 5 CU102 12908629 SITE PLAN AND DETAILS - STORAGE TANK 3455

5 OF 5 CU103 12908270 SITE PLAN AND DETAILS - STORAGE TANK 2063

-- End of Document --

REVISED DOCUMENT 00 01 15 Page 1 July 15, 2024

SECTION 33 11 00

WATER UTILITY DISTRIBUTION PIPING

02/18, CHG 2: 11/23

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME B40.100 (2022) Pressure Gauges and Gauge Attachments

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA B300 (2018) Hypochlorites

AWWA B301 (2018) Liquid Chlorine

AWWA C104/A21.4 (2022) Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water

AWWA C110/A21.10 (2021) Ductile-Iron and Gray-Iron Fittings

AWWA C115/A21.15 (2020) Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C151/A21.51 (2017) Ductile-Iron Pipe, Centrifugally Cast

AWWA C509 (2023) Resilient-Seated Gate Valves for Water Supply Service

AWWA C550 (2017) Protective Interior Coatings for Valves and Hydrants

AWWA C600 (2017) Installation of Ductile-Iron Mains and Their Appurtenances

AWWA C651 (2014) Standard for Disinfecting Water Mains

AWWA C655 (2009) Field Dechlorination

AWWA C800 (2021) Underground Service Line Valves and Fittings

AWWA D102 (2021) Coating Steel Water-Storage Tanks

AWWA D103 (2019) Factory-Coated Bolted Steel Tanks for Water Storage

AWWA M41 (2009; 3rd Ed) Ductile-Iron Pipe and

REVISED SECTION 33 11 00 Page 1 July 15, 2024

Fittings

ASTM INTERNATIONAL (ASTM)

ASTM A126 (2004; R 2019) Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ASTM A743/A743M (2021) Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application

ASTM B584 (2022) Standard Specification for Copper Alloy Sand Castings for General Applications

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS

INDUSTRY (MSS)

MSS SP-80 (2019) Bronze Gate, Globe, Angle and Check Valves

NSF INTERNATIONAL (NSF)

NSF/ANSI 14 (2022) Plastics Piping System Components and Related Materials

NSF/ANSI 61 (2022) Drinking Water System Components - Health Effects

1.2 SUBMITTALS

Government approval is required for all submittals. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Connections

SD-03 Product Data

Pipe, Fittings, Joints and Couplings

Valves

Disinfection Procedures

Joint Sealants And Gaskets

SD-06 Test Reports

Bacteriological Samples

Hydrostatic Test

SD-07 Certificates

Pipe, Fittings, Joints and Couplings

REVISED SECTION 33 11 00 Page 2 July 15, 2024

Shop-Applied Lining

Lining

Valves

SD-08 Manufacturer's Instructions

Ductile-Iron Piping

1.3 QUALITY CONTROL

1.3.1 Regulatory Requirements

Use NSF/ANSI 61 or NSF/ANSI 14 materials for potable water systems to comply with lead free content requirements as defined by the U.S. Safe Drinking Water Act effective January 2014.

1.4 DELIVERY, STORAGE, AND HANDLING

1.4.1 Delivery and Storage

Inspect materials delivered to site for required pipe markings and damage. Unload and store with minimum handling and in accordance with manufacturer's instructions to prevent cuts, scratches and other damage.

Store materials on site in enclosures or under protective covering. Store plastic piping, jointing materials and rubber gaskets under cover out of direct sunlight. Do not store materials directly on the ground. Keep inside of pipes, fittings, valves, and other accessories free of dirt and debris or other contaminates.

1.4.2 Handling

Handle pipe, fittings, valves, and other accessories in accordance with applicable AWWA standard, manufacturer's instructions and in a manner to ensure delivery in sound undamaged condition. Avoid injury to coatings and linings on pipe and fittings; make repairs if coatings or linings are damaged. Do not place other material, hooks, or pipe inside a pipe or fitting after the coating has been applied. Inspect the pipe for defects before installation. Carry, do not drag pipe. Use of pinch bars and tongs for aligning or turning pipe will be permitted only on the bare ends of the pipe. Clean the interior of pipe and accessories of foreign matter before being installed . Replace defective material without additional expense to the Government. Store rubber gaskets, not immediately installed, under cover or out of direct sunlight.

Handle ductile iron pipe, fittings, and accessories in accordance with AWWA C600 and AWWA M41.

PART 2 PRODUCTS

2.1 MATERIALS

Provide all materials in accordance with AWWA C800 and as indicated herein. Provide valves and fittings with pressure ratings equivalent to the pressure ratings of the pipe.

REVISED SECTION 33 11 00 Page 3 July 15, 2024

2.1.1 Pipe, Fittings, Joints And Couplings

Submit manufacturer's standard drawings or catalog cuts. Include information concerning gaskets with submittal for joints and couplings.

2.1.2 Ductile-Iron Pipe

Pipe, fittings, joints and couplings for fluid conductors, must be ductile-iron pipe.

2.1.2.1 Flanged Pipe

Flanged pipes must conform to the applicable portions of AWWA C110/A21.10 , AWWA C115/A21.15 and AWWA C151/A21.51 , for not less than 150 psi working pressure, unless otherwise shown or specified. Pipe must have flanged ends in accordance with AWWA C115/A21.15 . Provide standard thickness cement mortar lining in accordance with AWWA C104/A21.4 .

2.1.3 Specials and Fittings

2.1.3.1 Ductile-Iron with Flanged Ends

AWWA C110/A21.10 and AWWA C151/A21.51 for not less than 150 psi working pressure unless otherwise shown or specified. Fittings must have flanged ends in accordance with AWWA C110/A21.10 . Provide standard thickness cement mortar lining in accordance with AWWA C104/A21.4 . Bolts, nuts, and gaskets for flanged connections as recommended in Appendix A of

AWWA C115/A21.15 .

2.1.3.2 Joints Inside Valve Chamber

All joints inside the valve chamber must be flanged, unless otherwise shown.

2.1.4 Valves

Provide all valves from one manufacturer.

2.1.4.1 Gate Valves

Gate valves must be opened by turning counterclockwise. Valves 3 inches and larger must be stem type with joint ends compatible for the adjoining pipe conforming to AWWA C509. Valves smaller than 3 inches must be all bronze and must conform to MSS SP-80 , Type 1, class 150. Valves 3 inches or larger located in valve chambers must be equipped with hand-operating wheels and must be flanged.

Provide valve stem extensions on all new gate valves in the valve vault.

Provide stem extensions such that the valve stem is extended to within 3 inches of the underside of the valve vault.

2.1.4.2 Altitude Valve

The supply to the elevated tank must be controlled by a single acting or double acting altitude valve, automatic in operation and accurately set to prevent overflow of the elevated tank. The valve must have flanged ends and a heavy cast iron body, must be bronze fitted with renewable cups and seats, and must be designed without metal-to-metal seats. The valve must be cushioned when opening and closing to prevent water hammer or shock.

REVISED SECTION 33 11 00 Page 4 July 15, 2024

Valves must be provided with a travel indicator to determine operating position. All necessary repairs and/or modifications other than replacement of the main valve body must be made possible without removing the valve from the pipeline. Size and configuration shall be as indicated on the project plans.

2.1.4.2.1 Double Acting Level Control Valve

The double acting level control valve shall automatically close to prevent tank overflow when the high water level is reached, and open to permit flow from the tank to distribution when the distribution pressure becomes less than full tank head (or when tank level drops through some other means). Non-throttling action is required for operation (valve will assume either a fully open or fully closed position).

2.1.4.2.2 Single Acting Level Control Valve

The level control valve for elevated tank shall be single acting, automatically closing to prevent tank overflow when the high water level is reached, and opening for refilling when the tank water level lowers.

Non-throttling action is required for operation (valve will assume either a fully open or fully closed position).

2.1.4.2.3 Design

The double-acting and single-acting level control valve shall be globe (inline) or angle (90 degree) body with flanged end connections, be fully mounted, external pilot operated, with free floating piston (operated without springs, diaphragm or levers). It shall contain a single full-ported seat, with seat bore equal to size of valve. The minimum travel of the piston shall be equal to 25% of the diameter of the seat.

For true alignment (to correct lateral thrust and stem binding), the piston shall be cushioned and so designed as to insure positive closure.

The main valve shall be packed with leather (or other soft material) to insure tight closure and prevent metal-to-metal friction and seating. The valve shall be furnished with an indicator rod to show position of piston opening, and pet-cocks for attachment to valve body for receiving gauges for testing purposes. The design shall be such that repairs and dismantling internally of main valve may be made without its removal from the line.

The pilot valve, controlling operation of the main valve, shall have a range of adjustment, be easily accessible, and arranged to allow for easy removal from the main valve while the main valve is under pressure. The pilot valve, external strainer with blow-off, isolation valves, and all associated rigid brass piping and fittings shall be factory assembled and furnished with the valve.

2.1.4.2.4 Physical and Chemical Properties

Valve body and cap(s) shall be constructed of gray iron castings that conform to ASTM A126, Class B. Internal bronze components shall conform to ASTM B584. Internal Stainless Steel components shall conform to ASTM A743/A743M , Grade CF-8 or CF-8M. The control piping shall be rigid red brass, no less than 0.5 inch in diameter.

The flanged assemblies shall conform to ANSI Standards for wall thickness of body and caps, and flange thickness and drilling, subject to other specified standards.

REVISED SECTION 33 11 00 Page 5 July 15, 2024

2.1.4.2.5 Paint

Ferrous surfaces of the valve shall be coated with NSF Certified Epoxy (Tnemec Series FC20) in accordance with ANSI/NSF Std. 61, and conforming to AWWA D102 Inside System No. 1.

2.1.5 Pressure Gauge

Pressure gauge of the direct-reading type, equipped with a shutoff cock, must be provided, in the valve chamber, on the tank side and on the discharge side of the altitude valve. Gauges must have 6 inch dials, must be stem mounted, and must conform to ASME B40.100 . Accuracy of gauges must be Grade A or better. Gauges must be calibrated in psi in not more than 2 psi increments from 0 to 50 psi in excess of the normal operating pressure at the tank.

2.1.6 Joint Sealants and Gaskets

The lap joint sealant must be a one component, moisture cured, polyurethane compound in accordance with Section 4.10 of AWWA D103. The sealant must be suitable for contact with potable water must comply with NSF/ANSI 61 . Neoprene gaskets and tape type sealer must not be used in liquid contacting surfaces.

2.1.7 Valves

Provide a protective interior coating in accordance with AWWA C550.

2.1.8 Disinfection

Chlorinating materials are to conform to: Chlorine, Liquid: AWWA B301;

Hypochlorite, Calcium and Sodium: AWWA B300.

PART 3 EXECUTION

3.1 PREPARATION

3.1.1 Connections to Existing System

Perform all connections to the existing water system in the presence of the Contracting Officer.

3.1.2 Operation of Existing Valves

Do not operate valves within or directly connected to the existing water system unless expressly directed to do so by the Contracting Officer.

3.1.3 Earthwork

Perform earthwork operations in accordance with Section 31 00 00 EARTHWORK.

3.2 INSTALLATION

Install all materials in accordance with the applicable reference standard, manufacturers instructions and as indicated herein.

REVISED SECTION 33 11 00 Page 6 July 15, 2024

3.2.1 Piping

3.2.1.1 General Requirements

Install pipe, fittings, joints and couplings in accordance with the applicable referenced standard, the manufacturer's instructions and as specified herein.

3.2.1.1.1 Flanged Pipe

Only install flanged pipe in valve pits , unless otherwise specified .

3.2.1.2 Ductile-Iron Piping

Unless otherwise specified, install pipe and fittings in accordance with the paragraph GENERAL REQUIREMENTS and with the requirements of AWWA C600 for pipe installation, joint assembly, valve-and-fitting installation, and thrust restraint.

a. Jointing: Make flanged joints with the gaskets, bolts, and nuts specified for this type joint. Make flanged joints up tight; avoid undue strain on flanges, fittings, valves, and other accessories.

Align bolt holes for each flanged joint. Use full size bolts for the bolt holes; use of undersized bolts will not be permitted. Do not allow adjoining flange faces to be out of parallel to such degree that the flanged joint cannot be made watertight without overstraining the flange. When flanged pipe or fitting has dimensions that do not allow the making of a flanged joint as specified, replace it.

3.2.2 Disinfection

Prior to disinfection, provide disinfection procedures , proposed neutralization and disposal methods of waste water from disinfection as part of the disinfection submittal. Disinfect new water piping and existing water piping affected by Contractor's operations in accordance with AWWA C651. Disinfect new water piping using the AWWA C651 continuous-feed method of chlorination. Ensure a free chlorine residual of not less than 10 parts per million after 24 hour holding period and prior to performing bacteriological tests.

3.2.3 Flushing

Perform bacteriological tests prior to flushing. Flush solution from the systems with domestic water until maximum residual chlorine content is within the range of 0.2 to 0.5 parts per million , the residual chlorine content of the distribution system, or acceptable for domestic use. Use AWWA C655 neutralizing chemicals.

3.2.4 Valves

3.2.4.1 Gate Valves

Install gate valves, AWWA C509, in accordance with the requirements of AWWA C600 for valve-and-fitting installation and with the recommendations of the Appendix ("Installation, Operation, and Maintenance of Gate Valves") to AWWA C509. Make and assemble joints to gate valves as specified for making and assembling the same type joints between pipe and fittings.

REVISED SECTION 33 11 00 Page 7 July 15, 2024

3.2.4.2 Altitude Valves

Install in accordance with manufacturer's specifications and requirements.

3.3 FIELD QUALITY CONTROL

3.3.1 Tests

Notify the Contracting Officer a minimum of five days in advance of hydrostatic testing. Coordinate the proposed method for disposal of waste water from hydrostatic testing. Perform field tests, and provide labor, equipment, and incidentals required for testing. Provide documentation that all items of work have been constructed in accordance with the Contract documents.

3.3.1.1 Hydrostatic Test

Test the water system in accordance with the applicable AWWA standard specified below. Test ductile-iron water mains in accordance with the requirements of AWWA C600 for hydrostatic testing. No leakage will be allowed for flanged joints .

3.3.1.2 Bacteriological Testing

Perform bacteriological tests in accordance with AWWA C651 Option A.

Analyze samples by a certified laboratory, and submit the results of the bacteriological samples .

3.4 SYSTEM STARTUP

Water mains and appurtenances must be completely installed, disinfected, flushed, and satisfactory bacteriological sample results received prior to permanent connections being made to the active distribution system.

Obtain approval by the Contracting Officer prior to the new water piping being placed into service.

3.5 CLEANUP

Upon completion of the installation of water lines and appurtenances, remove all debris and surplus materials resulting from the work.

-- End of Section --

REVISED SECTION 33 11 00 Page 8 July 15, 2024

MARINE CORPS AIR STATION

CHERRY POINT, NORTH CAROLINA

PROVIDE NEW VALVES ELEVATED WATER STORAGE TANKS, PHASE 2

WO# 7386810

INDEX OF DRAWINGS

C O

V E

R S

H E

E T

12908266

G-001

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NEW BERN, NC 28561

PH.(252) 633-0068

P.O. BOX 15564

Digitally signed by John K Avolis

PROJECT AREA INDEX MAP - MCAS CHERRY POINT

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P.O. BOX 15564N O T T O S C A L E

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C E

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U S H W Y 7 0 - W M A I N S T

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12908268

CU101

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12908269

CU102

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12908270

CU103

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