Amendment 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

The purpose of this amendment is to update the Description of Requirements (DOR) in Section C to update the requirements under DOR 2.1.

All other terms and conditions remain the same.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 4

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

16C. DATE SIGNED

BY 09-Aug-2023

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 W912HZ23R0042

X 9B. DATED (SEE ITEM 11)

04-Aug-2023

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, 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 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

09-Aug-2023

CODE

ERDC CONTRACTING OFFICE

3909 HALLS FERRY ROAD

VICKSBURG MS 39180-6199

W912HZ 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912HZ23R0042

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

DESCRIPTION OF REQUIREMENTS

Description of Requirements Brandname S&C Vista Pad Mounted Medium Voltage Switchgear

1.0 General

1.1 Introduction

The US Army Engineer Research and Development Center (ERDC), Information Technology Laboratory (ITL) has a requirement to provide medium voltage switchgear to integrate the resilient mobile modular uninterruptable micro grid into the ITL electrical distribution infrastructure. related to the resilient mobile modular uninterruptable micro grid. In order to continue supporting this effort, the ERDC ITL has a requirement for the purchase of Brand Name S&C Vista Medium Voltage Pad Mounted Switchgear as listed below.

1.2 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.

ASTM INTERNATIONAL (ASTM) (https://www.astm.org/) ASTM D1535 (2014; R 2018) Standard Practice for Specifying Color by the Munsell System ASTM D2472 (2000; R 2014) Standard Specification for Sulphur Hexafluoride

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE) (https://www.ieee.org/) IEEE C37.74 (2014) Standard Requirements for Subsurface, Vault, and Pad-Mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems Up to 38 kV IEEE C57.12.28 (2014) Standard for Pad-Mounted Equipment - Enclosure Integrity

1.3 Definitions

A switched way is considered a three-phase circuit entrance to the bus through a switch.

1.4 Submittals

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for information only. When used, a code following the "G" classification identifies the office that will review the submittal for the Government.

SD-02 Shop Drawings Switchgear Drawings; G SD-03 Product Data Electronic Overcurrent Control Curves; G SF6 Insulated Pad-mounted Switchgear; G Include data on switches and associated accessories with each submittal. Include manufacturer's information for each component, device and accessory provided with the equipment with each submittal.

SD-10 Operation and Maintenance Data SF6 Insulated Pad-mounted Switchgear; G

1.5 Quality Assurance

1.5.1 Switchgear Drawings

http://www.astm.org/ http://www.ieee.org/

a. Overall dimensions, weights, plan view, and front view

b. Ratings

c. Single Line Diagram

1.5.2 Electronic Overcurrent Control Curves

Provide time-current characteristic curves in PDF format and in electronic format suitable for import or updating into the EasyPower computer program.

2.0 Description of Requirement

The Contractor shall provide the following Brand Name S&C Vista MV Switchgear:

2.1 SF6 INSULATED PAD-MOUNTED SWITCHGEAR

IEEE C37.74

All submittals shall be submitted as part of the bid package.

Item Description Qty 1 6 way pad mounted MV switchgear, with 3 load interrupting and 3 fault interrupting ways. Auxiliary contacts fault-interrupter switches wiring routed on tank for future customer connection. Auxiliary contacts load-interrupter switches wiring routed on tank for future customer connection. Potential indication with test feature, with provisions for low-voltage phasing. Two-hole ground pad, one per way. Pad-mounted style, six-way unit, mild-steel outer enclosure, green finish. Remote low-pressure alarm, with wires routed on tank for future customer connections. Catalog# 936332-C12C22L2OP6R2T3

2 6 way pad mounted MV switchgear, with 6 load interrupting ways. Auxiliary contacts fault-interrupter switches wiring routed on tank for future customer connection. Potential indication with test feature, with provisions for low-voltage phasing. Two-hole ground pad, one per way. Pad-mounted style, six-way unit, mild-steel outer enclosure, green finish.

Remote low-pressure alarm, with wires routed on tank for future customer connections.

Catalog # 936602-C12L2OP6R2

2.1.1 Ratings and Test Requirements

The voltage rating of the switchgear must be 15.5 kV. Provide the corresponding ratings associated with the required switchgear voltage rating as follows:

Rated Maximum Voltage, kV 15.5 Rated Withstand Impulse Voltage, kV BIL 95

Continuous and Load Interrupting Current, A 600 Short-Time Current, kA rms Sym 12.5 Short-Circuit interrupting Current,kA rms Sym 12.5

2.1.2 Switchgear Construction

Provide switchgear with switch contacts and cable entrance terminations contained in a sealed, dielectric-filled stainless steel tank. Ship switchgear from factory, filled with appropriate levels of SF6 gas conforming to ASTM D2472. Configure switchgear with load interrupting and fault interrupting switched ways as indicated. Provide switchgear with front accessible terminations suitable for cables entering from below with manual operating provisions either mounted on the rear. Switch contact positions for switched ways must be visible through viewing windows in the switchgear tank located adjacent to the manual operating provisions.

Provide internal gas pressure gage in viewable location from switch operating handle. Provide each switched way with three position switch; Open, Closed, Ground. Provide voltage indication and phasing pins for each phase on each switched way.

2.1.2.1 Pad-mounting Provisions

Provide enclosed switchgear suitable for installation on a concrete box pad. Paint enclosure including base ASTM D1535 Munsell 7GY3.29/1.5 green. Comply with IEEE C57.12.28 for the paint coating system regardless of equipment material.

2.1.3 Load Interrupting Switched Ways

2.1.3.1 Three-Pole Group Operated Switched Ways

Provide three-pole group operated load interrupting switched ways as indicated.

2.1.3.2 Fault Interrupting Switched Ways

IEEE C37.60, IEC 62271-111. Provide non-fused, non-reclosing, manual reset, vacuum interrupters consisting of vacuum interrupter and a spring assisted operating mechanism. Each fault interrupting switched way must utilize internally mounted current transformers and an electronic overcurrent control to provide three-pole ganged tripping as indicated for single-phase and three-phase faults. Provide electronic overcurrent control with field changeable ground fault and overcurrent trip settings.

2.1.4 Dead-Front High-Voltage Bushings

IEEE 386. 15 kV, 95 kV BIL. Provide 600 ampere one-piece deadbreak apparatus bushings for each load interrupting switched way. Provide 200 ampere bushing for load break elbows on each fault interrupting switched way.

3.0 Delivery and Notification

DELIVERY LOCATION: 3909 Halls Ferry Rd, Vicksburg, MS 39180 The contractor shall notify the Government upon shipment of the switchgear and provide notice 48 hours prior to delivery.

(End of Summary of Changes)