W912DW-17-R-0011_Amendment_0003.pdf

W68MD963150131

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

Albeni Falls Pow erhouse Station Service Sw itchgear

Please see Continuation Page for details.

1. CONTRACT ID CODE PAGE OF PAGES

1 2

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

16C. DATE SIGNED

BY 24-Mar-2017

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 W912DW-17-R-0011

X 9B. DATED (SEE ITEM 11)

24-Feb-2017

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

24-Mar-2017

CODE

USA ENGINEER DISTRICT, SEATTLE

ATTN: CECT-NWS

4735 EAST MARGINAL WAY SOUTH, BLDG. 1202

SEATTLE WA 98134-2388

W912DW 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912DW-17-R-0011

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The purpose of Amendment three (0003) is as follows: Incorporate below items as indicated.

1. Specifications/Drawings – revised/new specifications and drawings are as follows:

01 11 10.00 26, Summary of Work 26 13 13.00 26, Metal Clad Switchgear

The attached revised sections are to be replaced in their entirety. Specifications changes are generally identified, for convenience, either by strikeout for deletions, and double underlining of text for additions or a single dark line in the margin. All portions of the revised sections shall apply whether or not changes have been indicated.

2. Proposal Submittal Proposal submittal date/time is extended to 4 April 2017 at 12:30:00 p.m. LOCAL TIME.

NOTICE TO OFFERORS: Offerors must acknowledge receipt of this amendment by number and date on offer.

Encl:

01 11 10.00 26 (revised) 26 13 13.00 26 (revised)

(End of Summary of Changes)

Albeni Falls Powerhouse 13.8 kV and 480 V Switchgear Replacement 15020 Oldtown, ID

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 11 10.00 26

SUMMARY OF WORK

PART 1 GENERAL

1.1 DESCRIPTION OF WORK

1.2 CHANGES IN SPECIFICATIONS AND DRAWINGS

1.3 DEFINITIONS

PART 2 - PRODUCTS - NOT USED

PART 3 - PRODUCTS - NOT USED

-- End of Section Table of Contents --

SECTION 01 11 10.00 26 Page 1

W912DW-17-R-0011 R0003

SECTION 01 11 10.00 26

SUMMARY OF WORK

PART 1 GENERAL

1.1 DESCRIPTION OF WORK

This section covers the technical specifications to perform all work required to upgrade furnish, install, test, commission, and place in service the Albeni Falls Powerhouse 15 kV and 480 V Station Service Switchgear Replacement. This section is a general summary of the required work and is not all-inclusive. The work described within these specifications includes, but not necessarily limited to the following:

a. Remove and dispose of three (3) 15 kV rated switchgear lineups including related feeders and control systems located on EL 2060.

b. Remove and dispose of one (1) double-ended 480 V switchgear, SQ1,located on EL 2042 consisting of two (2) 750 kVA 13.8 kV-480 V dry type transformers and seven (7) vertical breaker sections, including the control systems, incoming 15kV feeders.

c. Remove and dispose of abandoned rotating excitation equipment consisting of three (3) Amplidyne Sets, three (3) Rheostat Cubicles, and three (3) Amplidyne Cubicles, and abandoned rotating excitation equipment cables. Cut and plug abandoned conduits.

d. Furnish, install, and test three (3) new 15 kV switchgear lineups SJ1, SJ2, and SJ3 on EL 2060 complete with vacuum circuit breakers; XJ1, XJ2, XJ3, XJO1, and XJO2, new surge protective equipment, 15 kV bus duct modifications, new conduits and feeders to TO1 and TO2, controls, annunciation, and protection circuits.

e. Furnish, install, and test one (1) 480 V double ended substation (SQ1) consisting of two (2) main bus breakers, two (2) tie breakers, and eleven (11) feeder breakers on each bus, complete with relays, meters, and wiring on EL 2042.

g. Furnish, install, and test two (2) three-phase, 1000 kVA, Delta/Wye 13,800/480 V dry-type transformers, two (2) high-resistance grounding systems, and associated surge arresters and surge capacitors on EL 2042.

h. Furnish, install, and test one (1) local-remote control panel SQ1C for control of supply breakers, tie/isolation breakers, and all feeder breakers.

i. Furnish, install, and test three (3) new high-resistance grounding (HRG) units in SJ1, SJ2, and SJ3.

j. Furnish, install, and test one (1) new high-resistance grounding (HRG) unit for the exisisting Diesel generator system.

k. Modify and test four (4) sections of main control switchboard (SC)

SECTION 01 11 10.00 26 Page 2 panels 1 through 4 located in the control room on EL 2060 to include the removal and installation of new associated controls and indication for 15 kV circuit breaker, 480 V station service switchgear, and mimic bus modifications.

l. Furnish, install, and test new feeder cables to fifth floor offices from SQ1 and new manual transfer switch.

m. Furnish services of manufacturer's erecting engineer and system commissioning.

n. Furnish spare parts and accessories, training of Government Personnel, O & M Manuals, and as-built drawings.

p. Furnish concrete cutting and sawcutting for equipment foundations.

p. Perform work required to comply with site operations, environmental protection, and safety and health provisions.

1.2 CHANGES IN SPECIFICATIONS AND DRAWINGS

The Government reserves the right to revise or amend the specifications and/or drawings prior to the due date set for receipt of proposals.

Copies of such amendments will be furnished to all prospective offerors.

If the revisions and amendments require material changes in quantities or prices, or both, the due date set for receipt of proposals may be extended to enable offerors the opportunity to revise their proposals. The amendment will include an announcement of the new due date for receipt of proposals.

1.3 DEFINITIONS

a. Wherever in the specifications, or upon the drawings, the words "directed", "required", "ordered", "designated", "prescribed", or words of like import are used, it shall be understood that the "direction", "requirement", "order", "designation", or "prescription" of the Contracting Officer is intended, and similarly the words "approved", "acceptable", "satisfactory", or words of like import shall mean "approved by" or "acceptable to" or "satisfactory to" the Contracting Officer unless otherwise expressly stated.

b. Where "as shown", "as indicated", "as detailed", or words of like import are used, it shall be understood that the reference is made to the drawings accompanying this contract unless stated otherwise. The word "provided" as used herein shall be understood to mean "provided complete in place", that is, "furnished and installed". (FAR 52.236.21(b) and (c)).

c. Wherever in these specifications or upon the drawings, the words "Contracting Officer" (CO) or "Contracting Officer's Representative" (COR) are used, it shall be understood to also mean "Government" unless otherwise expressly stated.

d. Wherever in these specifications the word "weekend(s)" is used, it shall be understood to mean "Saturday, Sunday, and Federal Holidays", unless otherwise expressly stated.

e. Whenever in these specifications the word "Project" is used, it shall be understood to mean Albeni Falls Powerhouse.

SECTION 01 11 10.00 26 Page 3

PART 2 - PRODUCTS - NOT USED

PART 3 - PRODUCTS - NOT USED

-- End of Section --

SECTION 01 11 10.00 26 Page 4

SECTION TABLE OF CONTENTS

DIVISION 26 - ELECTRICAL

SECTION 26 13 13.00 26

METAL CLAD SWITCHGEAR

PART 1 GENERAL

1.1 GENERAL INFORMATION

1.2 REFERENCES

1.3 SUBMITTALS

1.4 GENERAL REQUIREMENTS

1.4.1 General

1.4.1.1 Switchgear

1.4.2 Delivery, Storage, And Handling

1.5 QUALIFICATIONS

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 General

2.1.2 Device Arrangement

2.1.3 Copper Bars and Rods

2.1.4 Connections

2.2 SWITCHGEAR

2.2.1 Configuration

2.2.1.1 Outline Drawings

2.2.1.2 Assembly And Detail Drawings

2.2.1.3 Schematic Diagrams and Connection Diagrams

2.2.2 Removable Elements

2.2.3 Housings

2.2.4 Interlocks

2.2.4.1 Mechanical Interlocks

2.2.4.2 Electrical Interlocks

2.2.5 Device Arrangement and Marking

2.2.6 Buses

2.2.6.1 General

2.2.6.2 Design

2.2.6.3 Splices and Connections

2.2.6.4 Insulation

2.2.6.5 Grounding

2.2.6.6 Access

2.2.7 Wiring

2.2.7.1 Control Wire

2.2.7.2 Wiring Duct System

2.2.7.3 Other Wiring

2.2.7.4 High-Voltage Compartment Control Wiring

2.2.7.5 Current Transformer Secondary Leads

2.2.7.6 Terminal Blocks and Internal Wiring

2.2.7.7 Wire or Terminal Point Designations

2.2.8 Foundations

2.2.9 Grounding

2.2.10 Power Cables

2.2.11 Service Conditions

2.3 15 kV SWITCHGEAR AND CIRCUIT BREAKER RATINGS

2.3.1 General

SECTION 26 13 13.00 26 Page 1

2.3.2 15 kV Switchgear (SJ) and 15 kV Breaker (XJ) Rating

2.3.3 Breaker Assembly

2.3.3.1 General

2.3.3.2 Interrupter

2.3.3.3 Interrupter Lock

2.3.4 Rated Transient Recovery Voltage

2.3.5 Load Switching Capacity and Life

2.3.6 Rated Control Voltage

2.4 INTERRUPTERS

2.5 OPERATING MECHANISM

2.5.1 General Operating Requirements

2.5.2 Mechanical Requirements

2.5.3 Operating Capacity

2.5.4 Energy Supply and Storage Means

2.5.5 Operating Mechanism Indicators

2.6 CONTROLS AND CONTROL CABINET EQUIPMENT

2.6.1 General

2.6.2 Additional Control Requirements

2.6.3 Low-Voltage Wiring Switching and Protection

2.6.4 Control and Instrument Switches

2.6.5 Escutcheons and Nameplates

2.6.6 Indicating Lamp Assemblies

2.6.7 Air Circuit Breakers (Molded Case Type)

2.6.8 Terminal Blocks

2.6.9 Test Equipment

2.7 EQUIPMENT

2.8 INSTRUMENT TRANSFORMERS

2.8.1 General

2.8.2 Voltage Transformers

2.8.3 Current Transformers

2.8.3.1 General

2.8.3.2 Window or Bushing Type Current Transformers

2.8.3.3 Rating

2.8.3.4 Burden Analysis

2.9 RELAYS AND METERING

2.10 SURGE ARRESTERS AND CAPACITORS

2.11 ACCESSORIES

2.11.1 General

2.12 SPARE PARTS

2.12.1 General

PART 3 EXECUTION

3.1 EQUIPMENT INSTALLATION

3.2 QUALIFICATIONS OF FIELD ENGINEERING PERSONNEL

3.3 TESTING

3.3.1 Design Tests

3.3.1.1 Certifications of Switchgear and Breakers

3.3.1.2 Design Test Reports

3.3.2 Production Tests

3.3.2.1 General

3.3.2.2 Switchgear Tests

3.3.2.3 Circuit Breaker Tests

3.3.2.4 Instrument Transformer Tests

3.3.3 Operational and Field Tests

3.3.3.1 General

3.3.3.2 Switchgear and Circuit Breakers

3.3.3.3 Commissioning

3.4 INSTALLATION PLAN AND SCHEDULE

SECTION 26 13 13.00 26 Page 2

3.5 CONTRACTOR FURNISHED TRAINING OF GOVERNMENT PERSONNEL

-- End of Section Table of Contents --

SECTION 26 13 13.00 26 Page 3

SECTION 26 13 13.00 26

METAL CLAD SWITCHGEAR

PART 1 GENERAL

1.1 GENERAL INFORMATION

a. These specifications include the design, fabrication, assembly, wiring, delivery, and testing and commissioning as specified in SECTION 26 08 01.00 26, for the equipment, accessories, and spare parts listed in the Bid Schedule and shown on the contract drawings to provide, install, and connect to the existing powerhouse systems, additional circuit breakers and related equipment required to provide a fully functional system as indicated on the contract drawings and specifications. Refer to SECTION 01 11 10.00 26 for summary of work to be performed as base items. Except as otherwise specified or indicated, the new circuit breakers and switchgear shall be as shown on the drawings. The Contractor shall furnish and install the following equipment in the list below:

1. Three (3) 15 kV switchgear line-ups to be installed as shown on the contract drawings, located in the circuit breaker gallery at Elevation 2060.0 ft and shall include all controls and related wiring, including spare parts.

2. Five (5) 15 kV vacuum circuit breakers as main unit circuit breakers and station service circuit breaker feeds to be installed in SJ1, SJ2, and SJ3 as shown on the contract drawings, located at Elevation 2060.0 ft to include all controls and related wiring,including spare parts.

b. All components shall be new. The new 15 kV circuit breakers and switchgear, shall be fully operable by all required controls as shown on the contract drawings. The switchgear, shall be designed for operation on a 15 kV, 3-phase, 3-wire, high resistnce grounded, 60 Hz system.

c. Instrument transformers will be required as indicated in the specification and as indicated on the drawings.

d. The Contractor shall provide field verification of installation requirements prior to manufacture. General Requirements, Contract Drawings, and Warranties shall be as described in SECTION

26 00 00.00 26 MISC ELECTRICAL WORK AND EQUIPMENT.

SECTION 26 13 13.00 26 Page 4

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

ASME INTERNATIONAL (ASME)

ASME B1.1 (2003; R 2008) Unified Inch Screw Threads (UN and UNR Thread Form)

ASME B1.20.1 (2013) Pipe Threads, General Purpose (Inch)

ASTM INTERNATIONAL (ASTM)

ASTM A123/A123M (2013) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A153/A153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware

ASTM B187/B187M (2011) Standard Specification for Copper, Bus Bar, Rod and Shapes and General Purpose Rod, Bar and Shapes

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE C37.04 (1999; R 2006) Rating Structure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.06 (2009) Standard for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis - Preferred Ratings and Related Required Capabilities for Voltage Above 1000 V

IEEE C37.59 (2007)IEEE Standard Requirements for Conversion of Power Switchgear Equipment

IEEE C37.013 (1997; R2008) IEEE Standard for AC High-Voltage Generator Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.09 (1999; R 2007) Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.010 (1999; AMD 1 2005; Corr 1 2007; R 2007;

Errata 2007) Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

IEEE C37.011 (1994; R 2005) Application Guide for Transient Recovery Voltage for AC High-Voltage Circuit Breakers

SECTION 26 13 13.00 26 Page 5

IEEE C37.20.2 (1999; Corr 2000; R 2005) Standard for Metal-Clad Switchgear

IEEE C37.100 (1992; R 2001) Standard Definitions for Power Switchgear

IEEE C57.13 (2008; INT 2009) Standard Requirements for Instrument Transformers

IEEE C62.11 (2012) Standard for Metal-Oxide Surge Arresters for Alternating Current Power Circuits (>1kV)

IEEE C62.22 (2009) Guide for the Application of Metal-Oxide Surge Arresters for Alternating-Current Systems

IEEE Std. 1248 (2007) Guide for Commissioning of Electrical Systems in Hydroelectric Power Plants

INTERNATIONAL ELECTRICAL TESTING ASSOCIATION (NETA)

NETA ATS (2013) Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA C37.55 (2002; R 2010) Switchgear-Medium Voltage Metal-Clad Assemblies- Conformance Test Procedures

NEMA ICS 1 (2000; R 2008; E 2010) Standard for Industrial Control and Systems: General Requirements

NEMA ICS 2 (2000; R 2005; Errata 2008) Standard for Controllers, Contactors, and Overload Relays Rated 600 V

NEMA LA 1 (2009) Standard for Surge Arresters

NEMA MG 1 (2011; Errata 2012) Motors and Generators

NEMA SG 4 (2009) Alternating-Current High-Voltage Circuit Breaker

SECTION 26 13 13.00 26 Page 6

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2014; AMD 1 2013; Errata 1 2013; AMD 2 2013; Errata 2 2013; AMD 3 2014; Errata 3-4 2014; AMD 4-6 2014) National Electrical Code

UNDERWRITERS LABORATORIES (UL)

UL 44 (2010) Thermoset-Insulated Wires and Cables

UL 486A-486B (2003; Reprint Feb 2010) Wire Connectors

UL 489 (2009; Reprint Jun 2013) Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures

UL 1581 (2001; Reprint Oct 2009) Electrical Wires, Cables, and Flexible Cords

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals having an "I" designation are for information only. When used, a designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Qualifications of Field Engineering Service Personnel ; G, HDC

Contractor Furnished Training of Government Personnel

List of Proposed Subcontractors ; G, HDC

List of Proposed Products ; G, HDC

Construction Progress Schedule ; G, HDC

Work Plan ; G, HDC

Removal and Installation Plan ; G, HDC

SD-02 Shop Drawings

Outline Drawings ; G, HDC Submit within 30 calendar days after receipt of notice to proceed.

Foundation Details ; G HDC

Assembly and Detail Drawings ; G, HDC Submit within 120 calendar days after receipt of notice to proceed.

Schematic Diagrams and Connection Diagrams ; G, HDC Submit within 60 calendar days after notice to proceed.

As-Built Drawings ; G, HDC

SECTION 26 13 13.00 26 Page 7

The Contractor shall, within 60 calendar days after completion of work, submit for approval a complete set of Contract as-built drawings showing all work up to the time of contract completion and acceptance of work, including, but not limited to, the following:

a. Circuit Breaker Manufacturer's Installation Drawings and Details.

b. Circuit Breaker Controls and Schematic Diagrams.

SD-03 Product Data

Submit the following Equipment submittals within 30 calendar days after receipt of notice to proceed.

Circuit Breakers ; G, HDC .

Instrument Transformers ; G, HDC .

Switchgear cubicles ; G, HDC .

Terminal Blocks ; G, HDC .

Surge Arresters and Capacitors ; G, HDC .

Nameplates ; G, HDC .

Meters ; G, HDC .

Auxiliary and Interposing Relays ; G, HDC .

Control Relays ; G, HDC .

Wire and Cable ; G, HDC .

Protective Relays ; G, HDC .

Bus Insulation System ; G, HDC .

Front Mounted Controls ; G, HDC .

Infra-red (IR) viewing windows ; G, HDC .

Potential transformers, fuses ; G, HDC .

Relay Curves for Instrument Transformers ; G, HDC Submit within 30 calendar days after receipt of Notice to Proceed.

Accessories ; G, HDC Submit within 60 calendar days after date of Notice to Proceed.

SECTION 26 13 13.00 26 Page 8

Spare Parts ; G, HDC Submit within 60 calendar days after receipt of Notice to Proceed.

SD-05 Design Data

Relay Settings

SD-07 Certificates

Certifications of Switchgear and Breakers ;

Submit within 30 calendar days after receipt of Notice to Proceed.

Certifications of Seismic Requirements ;

Seismic equipment certification and equipment anchorage shall be as per SECTION 13 48 00.00 26

SD-09 Manufacturer's Field Reports

Design Test Reports ; G Submit within 60 calendar days after receipt of issuance of Notice to Proceed.

Test Record Forms ; G Submit within 30 calendar days prior to factory tests and field acceptance tests.

Factory Test Reports ; G Submit within 14 calendar days after completion of tests.

Test Plan Procedure ; G Submit not later than 30 calendar days prior to field tests.

Field Test Reports ; G Submit within 14 calendar days after completion of tests.

SD-10 Operation and Maintenance Data

Switchgear , Data Package 3; G, HDC Not later than thirty (30) calendar days prior to the first field acceptance test, the Contractor shall submit three (3) Draft copies of Operation and Maintenance Manuals. Submit in accordance with Section 01 78 23.00 27.00 28 OPERATION AND MAINTENANCE DATA.

1.4 GENERAL REQUIREMENTS

1.4.1 General

The Contractor is required to accomplish all coordination between manufacturers, new switchgear, and existing switchgear, in order to provide assurance to the Government that critical requirements are met.

SECTION 26 13 13.00 26 Page 9

1.4.1.1 Switchgear

Submittals shall be made in accordance with all applicable procedures for submittals of drawings, except as provided herein. The Contracting Officer will return one draft copy with appropriate approval of, or comment on, the acceptability of the submittal. The Contractor shall resubmit the one draft copy with such corrected and/or additional data sheets and drawings shall be furnished also for the two draft copies retained by the Contracting Officer. Upon final approval of the draft, the Contractor shall submit five additional copies for a total of eight to the Contracting Officer. The copies shall be furnished no later than the date specified for delivery of equipment. Manuals shall be prepared and submitted as described in Section 01 78 23.00 27 , and shall address all equipment provided and installed by the Contractor under this contract.

1.4.2 Delivery, Storage, And Handling

The equipment shall be shipped as completely assembled and wired as feasible so as to require a minimum of installation work. Each shipping section shall be properly match marked to facilitate reassembly, and shall be provided with removable lifting channels with eye bolts for attachment of crane slings to facilitate lifting and handling. Any relay or other device which cannot withstand the hazards of shipment when mounted in place on the equipment shall be carefully packed and shipped separately.

These devices shall be marked with the number of the panel which they are to be mounted on and fully identified. All finished painted surfaces and metal work shall be wrapped suitably or otherwise protected from damage during shipment. All parts shall be prepared for shipment so that slings for handling may be attached readily while the parts are in a railway car or transport truck. All spare parts and accessories shall be carefully packaged and clearly marked.

1.4.3 As-Built Drawings

Submit as-built drawings and data in accordance with Section 01 33 00 , SUBMITTAL PROCEDURES and Section 01 78 23.00 27 . Immediately record modifications to original drawings made during installation for inclusion into as-built drawings.

1.5 QUALIFICATIONS

Each manufacturer shall have a minimum of five (5) years experience with the production of equipment of the same type and rating. The contractor shall submit a complete List of Proposed Subcontractors .

SECTION 26 13 13.00 26 Page 10

PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 General

a. The equipment furnished and the work performed under this contract shall be in conformance with the applicable provisions of ANSI, IEEE, and NEMA standards; IEEE C37.59 , IEEE C37.06 , NEMA C37.55 , IEEE C37.04 ,IEEE C37.013, IEEE C37.09 , IEEE C37.20.2 , IEEE C37.010 and IEEE C37.20.2 .

The Contractor shall furnish documentation substantiating that all circuit breaker designs and assemblies are certified according to all applicable standards.

b. The contractor shall submit a List of Proposed Products for all equipment to be installed under this contract and provide a current Submittal Register when requested by the COR. All materials, components, and equipment shall conform to the requirements of these specifications. Materials, components, and equipment shall be free from defects and imperfections, of recent manufacture, and shall have mechanical and electrical properties suitable for the intended use.

All materials, components, and equipment not manufactured by the Contractor shall be products of other recognized reputable manufacturers meeting the requirements of paragraph 1.5 "QUALIFICATIONS". Insofar as practicable, devices and equipment used for the same or similar services shall be of the same make and type, and shall be interchangeable when of the same rating.

2.1.2 Device Arrangement

The preferred arrangement of devices to be mounted on the switchgear panels is indicated on the contract drawings. Any proposed deviation from this arrangement shall be submitted to the Contracting Officer for approval. The design of the switchgear and arrangement of devices shall be such that adequate space is provided for inspection and maintenance of wiring, terminals, and devices. Equipment on the rear of the panels shall be so mounted that the studs of the equipment mounted on the front of the panels will be accessible without removing any device.

2.1.3 Copper Bars and Rods

All bus conductors including bars, standard shapes for bus conductors, and rods used as current-carrying conductors within switchgear and circuit breakers utilized under this design for current-carrying conductors shall be copper and shall conform to the requirements of ASTM B187/B187M .

SECTION 26 13 13.00 26 Page 11

2.1.4 Connections

All bolts, studs, machine screws, nuts and tapped holes shall be in accordance with ASME B1.1 . Threads for sizes 1/4 inch to 1 inch, inclusive, shall be NC or UNC series. The sizes and threads of all fittings and connecting equipment shall be in accordance with ASME B1.20.1 .

Screws, bolts, nuts, pins, studs, springs, washers and other miscellaneous fastening and fittings shall be of corrosion-resistant material or shall be treated in an approved manner to render them resistant to corrosion.

Treatments shall be in accordance with ASTM A123/A123M or ASTM A153/A153M .

All connections shall be electrically compatible corrosion-resisting materials that are stainless steel, copper, brass, bronze, or copper-nickel-copper alloys.

2.2 SWITCHGEAR

2.2.1 Configuration

The switchgear shall be metal-clad, one-high arrangement, drawout cubicle switchgear as indicated on the contract drawings. The standard phasing within equipment housings for AC power circuits shall be A-B-C from left to right, A-B-C from top to bottom, or A-B-C from front to back, when facing the front of the switchgear. Power cables in conduit and Metal-enclosed bus shall enter the switchgear as shown on the contract drawings. Termination of and connections for power cables and metal-enclosed bus will be made at the switchgear from the top or as otherwise indicated on the contract drawings. All necessary material and instructions shall be furnished for connection of the switchgear to the terminations. Where power cable terminations are indicated, sufficient space shall be provided for terminating the cables with stress cones.

Outline drawings, assembly and detail drawings, schematic diagrams, and connection diagrams shall be prepared as specified below and submitted as specified in Part 1 paragraph titled "SUBMITTALS".

2.2.1.1 Outline Drawings

For Coordination of Equipment and Physical Location submit copies of outline drawings of all equipment to be furnished under this contract.

These drawings shall include the overall dimensions and weights of the equipment; the size and location of conduit and cable entrances; details of provisions for bolting equipment to the floor, walls, and ceilings.

Outline drawings showing the equipment crate sizes and proposed routing to the installation site within the facility shall be submitted for approval.

Outline Drawings showing the proposed arrangement of terminal blocks and supports for incoming cables shall be submitted for approval.

2.2.1.2 Assembly And Detail Drawings

Assembly and detailed drawings and data shall demonstrate that all parts of the equipment will conform to the requirements and intent of the specifications. The drawings and data shall include sectional views of switchgear units, description of removable elements, all relays and other devices, equipment lists, and nameplate schedules. See Part 2 paragraph titled "Wiring" sub "g" for additional requirements.

SECTION 26 13 13.00 26 Page 12

2.2.1.3 Schematic Diagrams and Connection Diagrams

Schematic diagrams shall show the one line diagrams of the switchgear assembly, complete assembly full line connection diagram, and control logic showing that the equipment will function in a way to meet the requirements and intent of the specifications. Point to point connection or wiring diagrams shall show all terminal blocks and connections between the blocks and switchgear equipment, and shall provide a space at least 3 inches below and adjacent to the terminal blocks in which external circuits, conduits or connections may be shown. The wiring diagrams shall be made as seen by an observer of the actual wiring, and space shall be provided for the addition of devices where mounting space exists on the structure. Drawings shall also show the proposed arrangement of terminal blocks and supports for incoming cables. Additional information on outgoing circuits will be provided by the Government when the drawings are received for approval, and shall be added to the drawings by the Contractor. See Part 2 paragraph titled "Wiring" sub "h" for additional requirements.

2.2.2 Removable Elements

a. For drawout cubicle switchgear, the removable element of each switchgear unit shall consist of a 3 pole vacuum interrupter type circuit breaker, with an operating mechanism, primary and secondary disconnecting devices, auxiliary switches, operation counter, position indicator, and control wiring, all mounted on a rugged frame suitable for moving the element. Each of the 3 poles shall be an independently sealed vacuum interrupter bottles. The mechanism for removing the breaker from the drawout switchgear shall provide for moving the circuit breaker from the operating to the disconnected or test position. All contacts shall be silver-plated and shall have ample area and spring pressure. Contact parts which carry current shall not be used to supply contact-spring pressures. When the circuit breakers are withdrawn to the disconnect position, the circuit breaker bushing shall be withdrawn completely from the fixed contact enclosure and automatic shutters shall close the openings to prevent accidental contact with live terminals. All stationary secondary contacts shall be readily accessible and shall be adequately identified to facilitate connection with the control cables. When the circuit breaker is in the disconnect or test position, it shall be operable from local control sources by use of the set of control jumpers to be furnished with the accessories, or by other approved means, but shall not be operable from remote control stations. The breakers shall be configured to ensure the breaker is open of tripped open if a rackout is initiated.

b. Interrupters shall be as described in paragraph "INTERRUPTERS".

SECTION 26 13 13.00 26 Page 13

2.2.3 Housings

The following requirements apply to new switchgear housings and enclosures as applicable.

a. Each switchgear unit shall be enclosed in a self-supporting dead-front fabricated housing constructed of sheet metal on a rigid steel frame and provided with metal partitions or barriers as required. The sheet metal forming the enclosure for the removable element and the barriers between major primary sections shall not be less than No. 11 MSG. Exterior panel surfaces shall be free from holes, seams, dents, weld marks, loose scale, or other imperfections, and shall not be drilled or welded for attachment of wiring, resistors, or other devices where such holes or fastenings will be visible from the exterior. All ferrous fasteners shall have a rust-resistant finish, and all bolts and screws shall be provided with lock washers or other approved locking devices. The hinges for all doors shall be of the fully-concealed type. Stops shall be provided where required to limit door swing and prevent damage to hinges or adjacent equipment. The clearance between any edge of a hinged door, when closed, and the adjacent panel shall be uniform and shall not exceed 1/8-inch. Each door shall be supplied with a 2-point vault type latch with handles of the key-locking type with identical keying with that of other switchgear enclosures and ten keys of each type furnished.

b. Ventilating openings shall be provided as required for proper ventilation. The openings shall preferably be of the grille type, and shall be provided with corrosion-resistant insect-proof screens on the inside.

c. The housing for each removable circuit breaker element shall include a hinged front, separate three-phase bus, bus terminating compartments, a self-contained mechanism for removing the circuit breaker from switchgear, automatic shutters, and mechanical interlocks. The housing structure and the removable element shall be self-aligning and shall be designed in such a manner as to ensure a good mechanical fit between the two and to permit the circuit breaker removable elements of the same rating to be interchanged.

d. Lifting eyes shall be provided at locations suitable for lifting the entire drawout switchgear section.

e. Transition compartments, if required to connect to metal enclosed bus, shall be provided to connect the bus enclosure to the switchgear. The internal buses shall have continuous current carrying capacities and momentary ratings not less than required for the adjacent buses.

SECTION 26 13 13.00 26 Page 14

f. Circuit breaker cubicles shall have breaker rackout mechanisms for racking the breaker into position. The rackout mechanism will properly align the breaker for insertion into position. It will hold the breaker rigidly in the operating position. In the disconnected position, breaker shall be easily removable from compartment. Breaker racking shall be accomplished with door closed and latched. Insert a manual operating handle through a hole in front door to operate rackout device. The Contractor shall provide both a manual rackout lever and an electrically operated remote racking device. The remote racking device shall be capable of racking the breaker from the fully disconnected position to the operating position, with the door closed and latched. The remote racking device shall allow the operator to stand at least 20 ft. from the breaker when the breaker is being racked in or out.

g. Infra-red (IR) viewing windows shall be provided on the rear of the switchgear enclosures, minimum one window for each main bus breaker lug connection and each bus tie circuit breaker lug connection, to allow IR sensing of each breaker in the closed position under load conditions without having to open the enclosure. Windows shall feature a removable steel or aluminum security cover over a 4-inch crystal sightglass. The IR windows shall be the switchgear manufacturer's standard product, or a third-party product that is UL certified and arc-flash tested to the kA rating of the breakers or higher, meeting the applicable requirements of IEC 62271-200, and installed with the coordination and approval of the switchgear manufacturer at the sitchgear manufacturers facility. No field installation will be permitted..

2.2.4 Interlocks

2.2.4.1 Mechanical Interlocks

Mechanical interlocks shall be in accordance with IEEE C37.09 requirements and as follows:

a. Mechanical interlocks shall prevent moving the removable elements to or from the connected position when the switching device is in the closed position, and prevent closing the switching device unless the primary disconnection devices are in full contact or are separated by a safe distance.

b. The removable element shall be positively held in place within the housing when it is in either the connected or test position.

c. When a separate disconnected position is provided with the door closed, the removable element shall be positively held in this position. In addition, the circuit breaker shall not be operable while the removable element is at any point between test and operating position.

d. The stored energy element shall not release unless the mechanism has been fully charged and it shall be automatically discharged before the circuit breaker is withdrawn from the housing.

SECTION 26 13 13.00 26 Page 15

2.2.4.2 Electrical Interlocks

Electrical interlocks shall be wired to include circuit breaker position contacts and truck operated contacts (TOC)and as shown in contract drawings.

2.2.5 Device Arrangement and Marking

The design of the switchgear and arrangement of devices shall be such that adequate space is allowed for inspection and maintenance of wiring, terminals and devices. Equipment on the rear of the panels shall be so mounted that the studs of the equipment mounted on the front of the panels will be accessible without removing any device. Each device mounted on or inside the switchgear shall be identified by a device designation marked on the device or on the panel adjacent to the device. These designations are in addition to the device identification nameplates located on the front panels. Each terminal of each device to which a connection is made shall also be marked with a distinct terminal marking which corresponds with the terminal marking shown on the Contractor's schematic and connection diagrams. The device and terminal markings shall be of permanent legible printed form in a color which contrasts with the color of the device or panel and shall not be obscured by wires or other devices. Nameplates on front panels shall be as described in SECTION 26 00 00.00 26 .

2.2.6 Buses

2.2.6.1 General

The primary buses for each switchgear assembly shall meet the applicable requirements of ASTM B187/B187M and shall have a continuous current carrying capacity not less than that shown in paragraph 2.3 "15 kV Switchgear and Circuit Breaker Ratings" and as shown on the drawings.

2.2.6.2 Design

The buses shall have mechanical and thermal capacities coordinated with the highest momentary rating of the individual circuit breakers. Bus bars shall be of hard drawn copper.

2.2.6.3 Splices and Connections

All splices for field assembly shall be bolted. Where bolted connections are used, they shall be equipped with provisions for adequate clamping and contact surfaces shall be silver plated.

2.2.6.4 Insulation

Each phase conductor shall be completely enclosed with molded insulation that will withstand the dielectric requirements of paragraph 2.3 "15 kV Switchgear and Circuit Breaker Ratings". Molded neoprene boots with nylon fasteners of equivalent mechanical and electrical strength as that enclosing the bus shall be provided at bus joints. Taped insulation shall not be used at bus joints. The buses with molded insulation shall be mounted on insulating supports, and shall pass through barriers between individual unit housings.

SECTION 26 13 13.00 26 Page 16

2.2.6.5 Grounding

The buses shall have grounding ball studs for grounding for each discrete, vertical switchgear section.

2.2.6.6 Access

Removable metal plates or bolted hinged doors at each unit housing shall be provided for access to the bus compartment.

2.2.7 Wiring

2.2.7.1 Control Wire

All control wire, including wire for removable elements, shall be stranded copper switchboard wire with 600 volt insulation, type SIS as listed in NFPA 70 . The wire shall comply with the requirements of UL 44 and shall pass the VW-1 flame test of UL 1581 . Hinge wire shall have Class K stranding. Current transformer secondary leads shall be not smaller than No. 10 AWG. Minimum wire size for all other control wiring shall be No.

12 AWG.

2.2.7.2 Wiring Duct System

A suitable wiring duct system shall be installed for all interpanel wiring and shall provide easy access for inspection and replacement of wiring.

All wiring shall be installed in wiring channels and ducts as far as possible. Each wire shall be properly protected where it leaves a channel or duct.

2.2.7.3 Other Wiring

Wiring, where not installed in channels or ducts, shall be formed into compact wire bundles suitably bound together and properly supported.

Bindings and supports shall not cause damage or cold flow of the insulation. Groups of exposed wires shall be run straight horizontally or vertically with short-radius right-angle bends. Wiring supports shall be of heavy-gage rustproof material or steel with rust-resisting finish equivalent to sherardizing or cadmium-zinc plating. There shall be no splices in the wiring and all connections shall be made at terminal studs or terminal blocks with ring-tongue indented terminals. No push-in grip style terminal blocks shall be used. All screw terminals shall have toothed lockwashers and all stud terminals shall have contact nuts and either locking nuts or lockwashers. Each conductor shall be identified at each end with a permanently machine-embossed black identification on white plastic tubular shrink-on marker and as shown on the connection diagram terminal blocks.

SECTION 26 13 13.00 26 Page 17

2.2.7.4 High-Voltage Compartment Control Wiring

Any control wiring within high-voltage compartments shall be completely shielded in a protective metal enclosure. Interpanel terminal blocks shall be used for interconnecting the wiring between adjacent panels at shipping splits. Hinge wire shall be used between stationary panels and swinging panels or swinging doors and shall be formed in vertical wire loops which shall provide rotation around the longitudinal axis of the conductors. Instrument transformer secondary circuits shall be grounded at the switchgear during shipping and handling. All leads from each individual instrument transformer shall be brought out to terminal blocks.

2.2.7.5 Current Transformer Secondary Leads

All current transformer secondary leads shall be routed through metal conduits separately from all other wiring, to short-circuiting terminal blocks in the control cabinet or in a separate cabinet. Current transformer terminal blocks shall be isolated by barriers from operating mechanism and control circuits if they are in the control cabinet.

2.2.7.6 Terminal Blocks and Internal Wiring

Terminal blocks and internal wiring shall be provided to all breaker spare auxiliary contacts and control device spare contacts for the connection of remote circuits. Terminal blocks shall be provided to terminate all external cables and shall contain at least 10 percent spare terminals.

Suitable provisions shall be made for training and supporting incoming cables from the point of entrance to their termination on terminal blocks. All terminal blocks shall be accessible from the front of the switchgear unit with the front door open and the circuit breaker in the operate position. Terminal blocks shall be provided per SECTION 26 00 00.00 26 . Special attention shall be given to wiring and terminal arrangement to permit the individual conductors of an external cable to be conveniently grouped for connection to adjacent terminal points. Suitable entrance locations shall be indicated on the Contractor's Assembly and Detail Drawings for entrance of all external control cables.

2.2.7.7 Wire or Terminal Point Designations

The wire or terminal point designations used on the Contractor's wiring diagrams and printed on terminal block marking strips may be according to the Contractor's standard practice; however, additional wire and cable designations for identification of remote or external circuits shall be required, and Schematic Diagrams and Connection Diagrams submitted for approval will be so marked and returned to the Contractor for additional designations. Drawings may require revision of external circuit connections, terminal and wire designations and wire grouping when submitted for approval.

SECTION 26 13 13.00 26 Page 18

2.2.8 Foundations

A structural steel f Foundations shall be constructed as per SECTION 03 60 00.00 26 . Anchorage shall be as per SECTION 03 60 00.00 26 and SECTION 13 48 00.00 26 . All foundations shall be suitable for the dynamic switching forces of the circuit breaker and the specified seismic forces.

A concrete housekeeping pad shall be constructed as per SECTION 03 60 00.00 26 , for all electrical equipment except where new equipment is being added to existing equipment and no housekeeping pad is currently installed under the existing equipment. Housekeeping pad construction shall be coordinated and approved by the COR.

2.2.9 Grounding

Each switchgear assembly shall include a continuous interior copper bar ground bus to which the housing, framework, cable and bus supports, and noncurrent-carrying metallic parts of all equipment and conduits shall be grounded. Grounding shall conform to IEEE C37.20.2 , except that the ground bus bar shall be not less than 1/4-inch by 1-inch in size. If the operating mechanism of removable units is not permanently grounded, ground contacts shall be provided to connect the movable element automatically to the ground buses. These connections shall make before the main disconnecting devices upon insertion, and break after the main disconnecting devices upon withdrawal. Splice plates and hardware shall be provided for bolted connections at shipping splits (if shipping splits are required) for the ground bus. All contact surfaces shall be tinned or silver-plated. Ground connections to house ground shall be made by welds, long barrel 2 or 4 hole electro-tin plated copper long barrel compression lugs that meet UL 486A-486B and have internally beveled barrel ends. The lugs shall also be clearly marked with wire size and type, die index and color coding for proper tooling identification or by approved clamp-type fittings. No soldered connections shall be used in the leads. Two grounding pads shall be provided, one at each end of the switchgear or circuit breaker. Each shall have a minimum of two tapped holes (NEMA 2 or 4-hole configuration) with a matching copper or bronze, two bolt minimum, long barrel 2 or 4 hole electro-tin plated copper long barrel compression lugs that meet UL 486A-486B and have internally beveled barrel ends. The lugs shall also be clearly marked with wire size and type, die index and color coding for proper tooling identification or clamp type terminal for a stranded 500 kcmil copper conductor. Grounding pads and terminals shall comply with NEMA CC 1.

SECTION 26 13 13.00 26 Page 19

2.2.10 Power Cables

Power cables will enter the switchgear from the bottom unless indicated otherwise on the drawings. Cable entrance locations shall be indicated on the Contractor's Shop Drawings for punching out in the field by the Contractor. Long barrel 2 or 4 hole electro-tin plated copper compression lugs that meet UL 486A-486B and have internally beveled barrel ends. The lugs shall also be clearly marked with wire size and type, die index and color coding for proper tooling identification shall be furnished for terminating the cables and sufficient space shall be provided for installation of stress cones. See cable schedule for the conductor sizes.

2.2.11 Service Conditions

The switchgear will be located indoors but underneath an existing roadway requiring a degree of protection against moisture ingression. The temperature conditions are within temperature extremes of 0 degrees C to +40 degrees C. The switchgear will be installed at an altitude below 3,300 feet. The entire assembly shall have seismic equipment certification and equipment anchorage as specified in SECTION 13 48 00.00 26 .

2.3 15 kV SWITCHGEAR AND CIRCUIT BREAKER RATINGS

2.3.1 General

Except as otherwise specified, the circuit breakers shall conform to the applicable requirements of ANSI and/or IEEE Standards; IEEE C37.010 , IEEE C37.013 , IEEE C37.04 , IEEE C37.06 , IEEE C37.09 , IEEE C37.20.2 , NEMA C37.55 , IEEE C37.59 ,and IEEE C37.100 . The Contractor shall provide documentation substantiating that the circuit breaker design and assemblies are ANSI and IEEE certified by passing the testing called out for in these specifications. Each circuit breaker shall be of the electrically operated, metal-clad, vacuum type suitable for indoor 60-Hz service. The full-load temperature rise shall not exceed the limits established in IEEE C37.20.2 . The circuit breakers shall be rated on a symmetrical current basis. Ratings shall be as defined in IEEE C37.04 Part 5, and as supplemented below.

2.3.2 15 kV Switchgear (SJ) and 15 kV Breaker (XJ) Rating

Each circuit breaker shall be an electrically-operated, metal-clad, with vacuum type interrupters, and for indoor 60-Hz service. The circuit breakers shall be rated on a symmetrical current basis and shall have characteristics in accordance with Table 1 of IEEE C37.06…