Amendment_W912WJ18Q0149-0004.pdf

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WTL Gate Valves and Hydraulic Pipes Replacement
Solicitation number
W912WJ18Q0149
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Amendment 0004

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Amendment_W912WJ18Q0149-0003.pdf PDF
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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

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

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

Amendment is here by necessary to post additional Requests for Information and Government Responses.

All other aspects remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

1 3

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

16C. DATE SIGNED

BY 05-Sep-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

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

8. NAME AND ADDRESS OF CONTRACTOR (No., Street , County, State and Zip Code) X W912WJ18Q0149

X 9B. DATED (SEE ITEM 11)

16-Aug-2018

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer 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 copies 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 ADMINISTRATIVE 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 copies to the issuing office.

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

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

05-Sep-2018

CODE

U S ARMY ENGR DISTRICT, NEW ENGLAND

696 VIRGINIA RD

CONCORD MA 01742-2751

W912WJ 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

Sheila.M.Winston@usace.army.milEMAIL:978-318-8159TEL:

SHEILA M WINSTONVINCUILLA / CONTRACT SPECIALIST

W912WJ18Q0149

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been modified:

RFIS

REQUEST FOR INFORMATION:

1. The scope of work calls for each of the gates to be cycled three times as part of acceptance testing. What is the cycle time for the gates?

RESPONSE: A complete cycle takes 9 min 32 sec.

2. The technical requirements state that "The piping system and components shall be hydrostatically tested to not less than 125 percent of the design working pressure of 1,000 psi. Any equipment that might be damaged by this pressure shall be isolated or removed to prevent damage." There are flanged connections at the gate level but it does not appear that there are any valves to isolate the gate pistons from the rest of the system. Please provide the desired limits of proof testing.

RESPONSE: New valves will need to be installed at the gate pistons. Please see the revisions as part of this amendment.

3. When the gates are taken out of service and the hydraulic system depressurized, is it acceptable to leave the gates closed (lowered) while the work is performed or will the contractor be required to block open one of the gates?

RESPONSE: The gate may be left closed while work is being performed may be left in the closed position.

4. The Pipes seem to be indecent condition please confirm that they still need to be replaced?

RESPONSE: The requirement remains unchanged.

5. The scope of work for this project includes proof testing the hydraulic system with a hydrostatic test. Is this test to be performed with water or hydraulic fluid?

RESPONSE: The test should be performed using Hydraulic fluid.

6. Can the upper gate valve be replaces with ball valves?

RESPONSE: Yes

W912WJ18Q0149

7. Do we need to flush the entire system or just wat we are replacing?

RESPONSE: The Contractor is required to flush the section that is being replaced.

8. Paint, Do you have specifications or should we match to the best of our ability?

RESPONSE: The Contractor shall be required to match the exhisting paint.

(End of Summary of Changes)

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