Amendment W912WJ21B0019 - 0001.pdf

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

This amendment is to provide the site visit sign in sheet. 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

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 W912WJ21B0019

X 9B. DATED (SEE ITEM 11)

04-Aug-2021

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.

U0001

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

6. ISSUED BY

3. EFFECTIVE DATE

23-Aug-2021

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

EMAIL:TEL:

W912WJ21B0019

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

RFI'S

Thomaston Dam Site Visit RFI’s

1. What is the system pressure?

USACE Response: Existing system is open system which operates at approximately 600 psi or less. Max pressure is 1,440 psi (cold).

2. What is the hydraulic flow?

USACE Response: (Information taken from original specification, contractor would be responsible for confirming current operational flow) Each hydraulic pump shall be capable of delivering a smooth, uniform flow of oil at a rate of not less than 20 gallons per minute, at a working pressure of 1,000 psi, and at a speed not exceeding 1,200 rpm using a hydraulic oil conforming to Military Specification MIL-L- 15017 Military Symbol 2075-H. (Pump capacities shall be based upon oil at a working temperature of approximately 50 deg F.)

3. How fast is extension and retraction?

USACE Response: (Information taken from original specification, confirmed by local operators) The original design shall be such that the gates will be satisfactorily raised and lowered at a speed of approximately one foot per minute under all conditions up to and including the maximum hydrostatic head on the centerline of the gate of 127 ft.

4. Were the cylinders installed first, and then the dam built around them?

USACE Response: The gatehouse and dam were designed to allow for cylinder bodies to be removed through the front entry. Contractor shall be responsible for determining final means and methods for removal and re-installation of items.

5. What is the ceiling height in the gate chamber?

USACE Response: (Original design documents) Bottom of gate chamber ceiling is 30’-6” above finished floor at highest point.

6. Is this a counterbalance valve? (See attached photo) USACE Response: The picture is of a control valve. (Vickers Model RCF16 Z1 10)

7. What is the weight/structural load of the suspended bridge leading to the tower?

USACE Response: The bridge has an inventory rating of 28 tons.

W912WJ21B0019

SITE VISIT SIGN-IN SHEET

Name Company Steven Pathkofsky USACE Lisa Belisle USACE Lauren Jacobs USACE Matt Coleman USACE Kyle Hall USACE Justin Pollock Devine Hydraulics Brian Devine Devine Hydraulics Zach Meints AMS Ethan Twaroc Soreriser Systems Kari Potter Holzner Construction Jordan Corum Baltimore Hydraulics

(End of Summary of Changes)