A.07.24 W9127S20R0002- Amendment 0002.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

Amendment 0002 provides government response to RFIs, adds Proposal Data Sheet to section 00 22 16, and includes the separate attachments A.07.24 Amendment 0002- Reference Draw ings.pdf and A.07.24 Amendment 0002- Resized Plans.pdf. Proposal due date has been extended to July 23, 2020 at 1:00 PM CDT.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 8

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

16C. DATE SIGNED

BY 01-Jul-2020

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 W9127S20R0002

X 9B. DATED (SEE ITEM 11)

01-Jun-2020

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 X is extended, 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

01-Jul-2020

CODE

CONTRACTING DIVISION

USACE, LITTLE ROCK (W9127S)

700 W. CAPITOL AVE, RM 7315

LITTLE ROCK AR 72201-3225

W9127S 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W9127S20R0002

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00 10 00 - SOLICITATION

The required response date/time has changed from 15-Jul-2020 01:00 PM to 23-Jul-2020 01:00 PM.

The following have been added by full text:

RFI RESPONSES

UNCLASSIFIED\\FOR OFFICIAL USE ONLY

Bid Inquiry Contractor Report All Inquiries

Project: Sam Rayburn 480V Electrical Distribution Project Review: RFI Review (00001) (sorted by CommentID ) Displaying 23 inquiries.

Id Discipline Sheet Detail Spec 8638320 Electrical E.201 SS Switchgear Section 26 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Plans and Specs do not call out 3PH 3 wire or 4wire – have used 3ph 4w but 3W is a potential VE What voltage system is apporpriate?

On: Jun 11 2020.

Government Response. . The plans and spec are clear. The 480VAC system is a delta system, which would be 3-wire. Therefore the 480VAC load centers are 3-wire. Ratings are as shown and as specified.

The panelboards rated less than 480VAC are a mix of 3-wire and 4-wire. Refer to specification section 26 28 00.00 26, paragraph 2.2.2, and contract drawing E-207. Transformers are covered in specification section 26 12 16.00 26, paragraph 2.3.1. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8638323 Electrical E.206 SS Switchgear 26 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Quoted as NEMA 1 indoor - MCC specs call for them to be Arc Resistant – Does USACE want the Switchgear to be Arc-Resistant as well?

Government Response. . Specification section 26 24 19.00 26, paragraph 2.2 says that the MCCs are to be "arc-flash preventative type similar to Eaton Flashgard series or approved equal". For the switchgear, USACE does not desire arc-resistant. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8638329 Electrical E.206 SS Switchgear 26 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Respectfully curious as to why the the switchgear was specified as UL1558 and not UL891 switchboards as the branch breaker ampacitys are small for 800 amp frame breakers.

If this is a VE option please let us know.

Thanks for your time.

Government Response. . USACE does not desire switchboards for this equipment, please bid as shown.

On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8641703 Electrical 26 24 19 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

26 24 19 Spec 2.2.12 – Is the contractor required to wire the Modbus communication from the overload relays? Is yes, please provide a network diagram showing the contractor's scope of responsibility for the Modbus network.

On: Jun 12 2020.

Government Response. . The capability is to be provided in the equipment as specified. The contractor is not responsible for implementation. It will be for future use of the Government. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8641757 Electrical E-202 Panelboards 26 28 00 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Spec 26 28 00 2.2.3 and 2.2.4 Please provide the NEMA enclosure rating requirement for all panelboards and the switchgear remote control panel.

On: Jun 12 2020.

Government Response. . All equipment located indoors is to be NEMA 1. All equipment located outdoors is to be NEMA 4X. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8641770 Electrical E-202 Panelboards

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Are panels 480V MAINT SHOP and 120/208V MAIN SHOP the only panelboards that require retrofitting into existing boxes?

On: Jun 12 2020.

Government Response. . It is intended that all panelboards that are currently flush mounted into recessed boxes are to be replaced with flush mounted retrofit panelboards reusing the existing recessed boxes, as specified in section 26 28 00.00 26. This includes all panelboards located inside the powerhouse.

On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8641799 Electrical 125VDC

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Please confirm that providing the 125VDC battery system is not in the scope of this project.

On: Jun 12 2020.

Government Response. . No. The 125VDC station battery and associated distribution boards have already been rehabbed, and are not included in this scope of work. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8641804 Electrical E-104

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Sheet E104 shows a new diesel generator circuit breaker. Is the contractor to supply this breaker? Is yes, please provide mfg make, model, specification and ratings for the existing circuit breaker.

On: Jun 12 2020.

Government Response. . The existing power circuit breaker at the diesel generator is to be replaced as part of this work, as shown on the contract drawings. We intend for this to be converted to a molded case circuit breaker rated for 600VAC, 14kAIC, 300AT, and lugs compatible with the 350kcmil feeder. On: Jul 01

Current Request Status: Request Closed Information for this report is procurement sensitive.

8661101 Contracting W9127S20R0002 W9127S20R0002 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

It states the following to be turned in under Tab A however there is no additional "Proposal Data Sheet" Standard Form 1442 and Proposal Data Sheet. (See the format provided as Attachment 1.)

On: Jun 22 2020.

Government Response. . Proposal Data Sheet will be provided. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8664567 Electrical Paragraph 1.3.i section 01 11 00 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Paragraph 1.3.i in section 01 11 00 says to replace all existing 480VAC receptacles. Please provide reference drawing showing all 480VAC locations.

On: Jun 24 2020.

Government Response. . We do not have drawings of all of the locations compiled. For bidding purposes, use the conduit and cable schedules for cable information, and use E-603 to see where the outlet feeders originate. Use a quantity of 20 for the number of outlets to be replaced. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8664568 Electrical drawing G-002

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Can the Reference Drawings shown on contract drawing G-002 be provided?

On: Jun 24 2020.

Government Response. . The reference drawings will be added as an amendment. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8664569 Electrical Critical Circuits

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Can a list of critical circuits be provided so the contractor can accurately estimate what temporary provisions are needed?

On: Jun 24 2020.

Government Response. . Switchyard Loads:

Switchyard Lighting Microwave Main gate Code Call Horn Aerobic Sewage System

Unit Distribution Center Loads:

Turbine Head Cover Pump Both Governor Oil Pumps Backup 300psi Governor Air Compressor (outlet fed on EL.100.0)

Air Compressor Distribution Center Loads:

100psi generator brake air (could be done by keeping one station air compressor powered)

Water Treatment MCC Loads:

Raw Water Booster Pumps (two 3hp)

Pump Distribution Center Loads:

10hp Unwatering Pump Both 5hp Station Sump Pumps CO2 System

HVAC Distribution Centers:

If the outside temperature is forecast to be above 80 degrees F for more than a three day period, and an HVAC MCC is to be replaced, then the supply fans and air conditioning equipment served by the MCC will require temporary power in order to maintain humidity, dust, and pressure control within the facility. On: Jul 01 2020

Current Request Status: Request Closed

8664570 Electrical drawing E-802

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

The cable schedule on drawing E-802 does not show number of conductors and size of conductors for circuits YP17 through YP24. Please provide so contractor can provide accurate estimate.

On: Jun 24 2020.

Government Response. . Clarifications for E-801 & E-802:

Cables YP11 - YP23 are not to be replaced.

Cable P42 is not to be replaced.

Text in the "Remarks" column should be black. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8665467 Contracting NA NA Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) Can the Government post the Site Visit attendance list?

On: Jun 24 2020.

Government Response. . The site visit attendee list has been posted to beta.SAM. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8670430 Electrical E-603

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

During the walk through I noticed a few small panels next to the lighting panels. These appear to be sub panels.

Example: LTG Cab LC5 has a small sub panel labeled LC5-1. If these are in fact sub panels they are not addressed on any of the drawings. Is the intent to replace these as well? If so we will need the drawings to reflect this.

On: Jun 26 2020.

Government Response. . These are part of the lighting control in the plant. They are not included in the scope of work. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8672649 Contracting STANDARD FORM 1442 STANDARD FORM 1442 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) We want to request an extension for the submission of proposals. Thank you!!!

On: Jun 29 2020.

Government Response. . Proposal due date will be extended. Please see posted amendment on beta.SAM for new deadline. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8674852 Electrical paragraph

2.2.10 Section 26 23 10.00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 26 23 10.00 paragraph 2.2.10 describes a remote racking device. Please clarify if a remote racking device that mounts to the front of the breaker is acceptable (this would be provided with a 25 foot cable to pendant, and a pelican case for storage). Or, is the intent to have a remote racking device that is mounted on a wheeled base.

On: Jun 30 2020.

Government Response. . What is described is acceptable. The specification referenced does not require a wheeled base. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8674854 Electrical paragraph

2.2.14 Section 26 23 10.00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 26 23 10.00 paragraph 2.2.14 describes a requirement to submit complete relay configuration and settings. Is the government going to provide trip unit settings for coordination or is a coordination study required to be performed by contractor?

Government Response. . Coordination and protective settings will be provided by the Government. The paragraph referenced is requiring the contractor to provide the auto transfer and load shed configuration discussed in the preceding paragraphs. On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8674855 Electrical paragraph

2.6.2 Section 26 23 10.00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 26 23 10.00 paragraph 2.6.2 states that voltage transformers shall be mounted in switchgear compartments in a fused rollout tray. Voltage transformers in UL1558 metal enclosed switchgear are not provided in roll out trays. Roll out trays is a medium voltage metal clad switchgear design.

Government Response. . You are correct. This is a mistake in the specification. Ignore the sentence

"Voltage transformers shall be mounted in switchgear compartments in a fused rollout tray with stabs that disconnect the voltage transformer when the tray is pulled out.". On: Jul 01 2020

Current Request Status: Request Closed Information for this report is procurement sensitive.

8674860 Electrical paragraph

2.6.3.4 Section 26 23 10.00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 26 23 10.00 paragraph 2.6.3.4 describes CT ratios. Please clarify if this specification section also applies to 50:5 CTs. Paragraph references 75:5 to 500:5.

Government Response. . Yes, it should include 50/5. On: Jul 01 2020 Current Request Status: Request Closed

8674983

Electrical

G-002, ED-801, ED-802, E-201,

E-202, E-203, E-204, E-205, E-206, E-207, E-801, and E-802

G-002, ED-801, ED-802, E-201,

E-202, E-203, E-204, E-205, E-206, E-207, E-801, and E-802 Comment Classification: Unclassified\\For Official Use Only (U\\FOUO) the following sheets have schedules in a "spreadsheet" format which in the 8 ½" x 11" documents provided are too small to read. We tried enlarging and the text becomes distorted and we cannot read. Can these drawings be issued in a different format or size so we can read the text?

Drawing: G-002, ED-801, ED-802, E-201, E-202, E-203, E-204, E-205, E-206, E-207, E-801, and E-802

On: Jun 30 2020.

Government Response. . A resized set of the Plans will be provided. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8675465 Electrical paragraph

2.2.3.e Section 26 23 10.00

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Section 26 23 10.00 paragraph 2.2.3.e mentions the tie breakers to be separated by physical space and blast barriers. The elevation drawing E-210 shows these breakers in the same structure. In order to have the blast barriers between the two tie breakers, an additional structure will be required, and the tie breakers will be required to be in separate vertical structures.

On: Jun 30 2020.

Government Response. . The breakers in cubicles 5C & 5D can be exchanged with adjacent breakers

(4C&4D or 6C&6D) to solve this issue. On: Jul 01 2020 Current Request Status: Request Closed

Information for this report is procurement sensitive.

8675469 Electrical Drawing E-201

Comment Classification: Unclassified\\For Official Use Only (U\\FOUO)

Drawing E-201 – trip rating shown in device schedule. There are four breakers that have trip ratings at 40 and 70 amps. This amp rating is below the minimum setting on the trip unit specified. Would it be acceptable to supply these four breakers with a trip rating of 100 amps?

Government Response. . You are correct, the minimum trip setting that can be selected is 80A. Yes, changing 2B,4D,8B, and 9D to 100AT, and increasing the feeder size to #2, is an acceptable solution. On:

Jul 01 2020

Current Request Status: Request Closed

Report Complete

UNCLASSIFIED\\FOR OFFICIAL USE ONLY

Patent 11/892,984 ProjNet property of ERDC since 2004.

SECTION 00 22 16 - SUPPLEMENTARY INSTRUCTIONS TO PROPOSERS

The following have been added by full text:

PROPOSAL DATA SHEET

PROPOSAL DATA SHEET

1. Name of Firm:

2. Address:

3. Phone:

4. Fax:

5. E-mail:

6. DUNS # (used for accessing

CCASS)

7. If a joint venture or contractor-subcontractor association of firms, list the individual firms and briefly describe the nature of the association.

Firm 1:

Firm 2:

Firm 3:

Nature of Association:

8. AUTHORIZED NEGOTIATORS. FAR 52.215-11

The Offeror represents that the following persons are authorized to negotiate on its behalf with the Government in connection with this Request for Proposals (RFP).

9. Name of Person Authorized to Negotiate:

10. Negotiator's Address:

(End of Summary of Changes)