Amendment_0004_Green_Mtn_Penstock_0004.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1

1. CONTRACT ID CODE

I

PAGE OF PAGES

1 I 2

3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO.

5. PROJECT NO. (If applicable)

08/11/2021 CODE R60 7. ADMINISTERED BY (If other than Item 6) CODE I

2. AMENDMENT/MODIFICATION NO.

6. ISSUED BY

Bureau of Reclamation

Missouri Basin Region

Regional Office

PO Box 36900

Billings MT 59107

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

9A. AMENDMENT OF SOLICITATION NO .

140R6021R0005

X

9B. DATED (SEE ITEM 11)

06/21/2021

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 Dis extended. rais 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 ____ copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT 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 letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment. and is received prior to the opening hour and dale specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

CHECK ONE 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 data, 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 Dis not Dis 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.)

GREEN MOUNTAIN POWERPLANT

PENSTOCK REHABILITATION

Colorado-Big Thompson Project, Colorado

See Attached for changes incorporated by this Amendment.

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 1 0A, as heretofore changed, remains unchanged and in full force and effect.

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

Gerri Voto-Braun

15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED

(Signature of person authorized to sign)

Previous edition unusable

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Solicitation No. 140R6021R0005 Amendment No. 0004

Description of Changes:

1) In Part I – The Schedule, Section 52 00 00 – Drawings, remove the following drawings and substitute therefor with the attached revised drawings:

Sheet No. Drawing No.

52 245-D-1107 53 245-D-1181

2) In Part I – The Schedule, Section 52 00 00 – Drawings, the attached Sheet No. 47A, Drawing No. 245-D-1029 is hereby incorporated into the solicitation.

For convenience, essential changes on the revised solicitation pages are indicated by a vertical line in the margin where lines or paragraphs changed from the previous version. However, all portions of the revised solicitation pages shall apply whether changes thereon have or have not been indicated.

Receipt of Bids: The hour and date for receipt of offers remains the same at 1300 (1:00 PM Local Time) on September 3, 2021.

Acknowledgement: See Block 11 above regarding how to acknowledge this amendment. The Government must receive the acknowledgement at the place designated for receipt of bids (See Block 10 of the Standard Form 1442).

Third Party: If you have given a copy of the solicitation to someone else, please forward this amendment accordingly.

A list of questions from prospective contractors are also included with this amendment and are provided for informational purposes only. Additional questions will be addressed in a subsequent amendment.

FOR INFORMATION ONLY

CMagalong Line

Line

Line

BMerten Polygon

Line

CMagalong Line

BMerten Polygon

Green Mountain Penstock Amendment 0004 Questions and Answers

39. Is it possible to have the BOR mark on the existing drawings exactly where all the embedded small-bore piping is that requires coating work? Referencing: “There is approximately 25 and 5 linear feet of 8-inch diameter encased drain-pipe from first bend to sump valve for Unit 1 and 2, respectively; 2 linear feet of 8-inch diameter bypass pipe per unit; and 14 linear feet, including 4-foot wyes, of 14-inch diameter embedded penstock air vent pipe per unit.”

A: See drawing 245-D-60048, major work item D, for work locations of all three embedded piping items, including the full length of 2 linear feet of 8-inch diameter bypass pipe. See Section B-B for 14-inch diameter embedded penstock air vent pipe.

See replacement drawing 245-D-1107 for details of 8-inch diameter encased drain-pipe, with the approximately 25 linear feet from the sump valve to Unit 1 penstock drain valve and the approximately 5 linear feet from the sump valve to Unit 2 penstocks.

See replacement drawing 245-D-1181 for details of 14-inch diameter embedded penstock air vent pipe.

40. In order to adequately ascertain the safety risks and logistical requirements for the project an in-person site visit is necessary. Would the Government please provide the opportunity to prospective contractors to visit the site including access into the penstock gallery and plant?

A: An On-site visit opportunity has been provided on August 20, 2021 with the following parameters:

1. Hard hats and safety shoes are required.

2. Government will not provide any PPE.

3. Face masks will be required. Masks will meet CDC requirements and will cover both the nose and mouth. Gaiters are not acceptable.

4. One person from each company will be allowed to attend.

5. A 50-minute timeframe has been allotted for the site visit, per company.

6. Government personnel will not be answering questions during site visit. If you have a question email it to Linda at: lmelnick@usbr.gov.

7. Individuals will not be allowed to take any pictures.

8. Companies will need to RSVP Linda Melnick at lmelnick@usbr.gov to schedule a time for their site visit.

mailto:lmelnick@usbr.gov mailto:lmelnick@usbr.gov

41. The specification says the existing SCADA computer is Window’s 7 which is now considered obsolete/security risk. Do we need to provide a new computer with current operating system? If yes, is a desktop or server required?

A: See SPEC section 25 00 01 – Control and Monitoring, para. 1.05 (B) and (D) Existing

SCADA System.

The Contractor does not need to provide a desktop with Windows 10. The Contractor shall use the existing SCADA computer and Windows 7 running the RSLogix software.

42. What control software is currently running on the computer? Can a license number be provided so we can get pricing on a current version that will be compliant with windows 10? We will probably need the name to whom the license is issued.

A: See SPEC section 25 00 01 – Control and Monitoring, para. 1.05 (B) Existing SCADA System. The requested information will be provided to the successful offeror, as required.

Note: Current RTU control software is RSLogix 5000 version 19.01.00 running on

Windows 7.

43. Does Reclamation control the maximum water level in the Green River at the discharge of the plant? Can the Gov’t provide either historical data on this water level or confirm when and what the maximum water level will be encountered during construction?

A: No, Reclamation does not control the maximum water level of the Blue River. The normal design tailwater elevation with ONE unit running is 7,691 ft. See answer to question 44 for maximum tailwater elevation that may be encountered during construction.

44. Is the Gov’t able to provide what the maximum water level that may be encountered in the

Blue River?

A: The maximum possible tailwater elevation during the period of construction is 7,696 ft.

45. Can the Gov’t provide drawing 245-D-1029?

A: See drawing 245-D-1029, included in this amendment.