W912P5-16-T-0039_Final.pdf

SEE ADDENDUM

(No Collect Calls)

W912P5-16-T-0039 24-Jun-2016

b. TELEPHONE NUMBER

615.736.7685

8. OFFER DUE DATE/LOCAL TIME

10:00 AM 11 Jul 2016

5. SOLICITATION NUMBER 6. SOLICITATION ISSUE DATE

AUTHORIZED FOR LOCAL REPRODUCTION

PREVIOUS EDITION IS NOT USABLE

STANDARD FORM 1449 (REV. 2/2012)

Prescribed by GSA – FAR (48 CFR) 53.212

(TYPE OR PRINT)

(SIGNATURE OF CONTRACTING OFFICER)

ADDENDA ARE

26. TOTAL AWARD AMOUNT (For Gov t. Use Only )

23.

CODE 10. THIS ACQUISITION IS

SUCH ADDRESS IN OFFER

17b. CHECK IF REMITTANCE IS DIFFERENT AND PUT

BELOW IS CHECKED

TELEPHONE NO.

W912P59. ISSUED BY

18b. SUBMIT INVOICES TO ADDRESS SHOWN IN BLOCK 18a. UNLESS BLOCK

7. FOR SOLICITATION

INFORMATION CALL:

a. NAME

CHRISTOPHER R PORTER

2. CONTRACT NO. 3. AWARD/EFFECTIVE DATE 4. ORDER NUMBER

(TYPE OR PRINT)

30b. NAME AND TITLE OF SIGNER 30c. DATE SIGNED 31b. NAME OF CONTRACTING OFFICER

30a. SIGNATURE OF OFFEROR/CONTRACTOR 31a.UNITED STATES OF AMERICA

0 27a. SOLICITATION INCORPORATES BY REFERENCE FAR 52.212-1. 52.212-4. FAR 52.212-3. 52.212-5 ARE ATTACHED.

25. ACCOUNTING AND APPROPRIATION DATA

1. REQUISITION NUMBER

20.

ADDITIONAL SHEETS SUBJECT TO THE TERMS AND CONDITIONS SPECIFIED.

OFFEROR TO COMPLETE BLOCKS 12, 17, 23, 24, AND 30

SOLICITATION/CONTRACT/ORDER FOR COMMERCIAL ITEMS

W38XDD60803891

ARE NOT ATTACHED

27b. CONTRACT/PURCHASE ORDER INCORPORATES BY REFERENCE FAR 52.212-4. FAR 52.212-5 IS ATTACHED. ADDENDA ARE ARE NOT ATTACHED

(BLOCK 5), INCLUDING ANY ADDITIONS OR CHANGES WHICH ARE

SET FORTH HEREIN, IS ACCEPTED AS TO ITEMS:

. YOUR OFFER ON SOLICITATION

28. CONTRACTOR IS REQUIRED TO SIGN THIS DOCUMENT AND RETURN

% FOR:SET ASIDE:UNRESTRICTED OR X

SMALL BUSINESSX

WOMEN-OWNED SMALL

BUSINESS (WOSB)

17a.CONTRACTOR/ CODE FACILITY

OFFEROR CODE

US ARMY CORPS OF ENGINEERS-CELRN-RC-N

DIRECTORATE OF CONTRACTING

110 9TH AVENUE SOUTH, ROOM A680

NASHVILLE TN 37202-1070

18a. PAYMENT WILL BE MADE BY CODE

RATED ORDER UNDER

DPAS (15 CFR 700)

13a. THIS CONTRACT IS A

13b. RATING

CODE15. DELIVER TO CODE 16. ADMINISTERED BY

SEE SCHEDULE

12. DISCOUNT TERMS11. DELIVERY FOR FOB DESTINA-

TION UNLESS BLOCK IS

MARKED

SEE SCHEDULE

14. METHOD OF SOLICITATION

RFQ IFB RFPX

615-736-7124FAX:

TEL: 615-736-7932 SERVICE-DISABLED

VETERAN-OWNED

SMALL BUSINESS

8(A)

HUBZONE SMALL

BUSINESS

ECONOMICALLY DISADVANTAGED

WOMEN-OWNED SMALL BUSINESS

(EDWOSB)

SIZE STANDARD:

1,250 Employees

NAICS:

335313

X

OFFER DATED

29. AWARD OF CONTRACT: REF.

DELIVER ALL ITEMS SET FORTH OR OTHERWISE IDENTIFIED ABOVE AND ON ANY

COPIES TO ISSUING OFFICE. CONTRACTOR AGREES TO FURNISH AND

EMAIL:

TEL:

31c. DATE SIGNED

SEE SCHEDULE

SCHEDULE OF SUPPLIES/ SERVICESITEM NO. QUANTITY UNIT UNIT PRICE AMOUNT

24.22.21.19.

32g. E-MAIL OF AUTHORIZED GOVERNMENT REPRESENTATIVE

SOLICITATION/CONTRACT/ORDER FOR COMMERCIAL ITEMS

(CONTINUED)

PAGE 2 OF60

ACCEPTED, AND CONFORMS TO THE CONTRACT, EXCEPT AS NOTED: ______________________________________________________

32a. QUANTITY IN COLUMN 21 HAS BEEN

RECEIVED INSPECTED

32b. SIGNATURE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32c. DATE 32d. PRINTED NAME AND TITLE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32e. MAILING ADDRESS OF AUTHORIZED GOVERNMENT REPRESENTATIVE 32f . TELEPHONE NUMBER OF AUTHORIZED GOVERNMENT REPRESENTATIVE

37. CHECK NUMBER

FINALPARTIALCOMPLETE

36. PAYMENT35. AMOUNT VERIFIED

CORRECT FOR

34. VOUCHER NUMBER

FINAL

33. SHIP NUMBER

PARTIAL

38. S/R ACCOUNT NUMBER 39. S/R VOUCHER NUMBER 40. PAID BY

41a. I CERTIFY THIS ACCOUNT IS CORRECT AND PROPER FOR PAYMENT

41b. SIGNATURE AND TITLE OF CERTIFYING OFFICER 41c. DATE

42a. RECEIVED BY (Print)

42b. RECEIVED AT (Location)

42c. DATE REC'D (YY/MM/DD) 42d. TOTAL CONTAINERS

STANDARD FORM 1449 (REV. 2/2012) BACK

Prescribed by GSA – FAR (48 CFR) 53.212

AUTHORIZED FOR LOCAL REPRODUCTION

PREVIOUS EDITION IS NOT USABLE

SEE SCHEDULE

20.

SCHEDULE OF SUPPLIES/ SERVICES

21.

QUANTITY UNIT

22. 23.

UNIT PRICE

24.

AMOUNT

19.

ITEM NO.

W912P5-16-T-0039

Section SF 1449 - CONTINUATION SHEET

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0001 1 Each JPP Arc Resistant Switchgear with

FFP

Main-Generator Automatic Transfer--Project No. 111264 *See attached Detail Bill of Materials for a complete list of required equipment FOB: Destination

PURCHASE REQUEST NUMBER: W38XDD60803891

NET AMT

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0002 1 Job

SITE SUPERVISION FOR INSTALLATION --

FFP

Project No.: 111264

PURCHASE REQUEST NUMBER: W38XDD60803891

NET AMT

PRODUCT DESCRIPTION

PART 1 GENERAL

1. Description of Services/Supply: The Contractor shall provide Eaton (or approved equal in accordance with FAR 52.211-6) 480-Volt circuit breakers, switchgear, front panel doors, accessories, verified wire and cable sizes, cable entry points into switchgear installation instructions and auxiliary equipment for replacement of existing 480-Volt system and to provide start-up and commissioning services needed to accomplish this effort. It is the intent that the work shall be complete in every respect and that any miscellaneous material, wiring, or work not specifically mentioned in the specifications, but necessary to make the generator set complete and totally functional shall be furnished and installed on the switchgear by the Contractor.

Government personnel will install the switchgear at J. Percy Priest. Contractor shall be responsible for the commissioning of the switchgear after the electrical wiring and connections are completed. *See attached Detail Bill of Materials for a breakdown of equipment and performance characteristics of an equivalent product.

1.01 SCOPE

A. This specification is for both the replacement Main Auxiliary Board and the new Generator Board deadfront type, ANSI arc resistant low voltage switchgear assemblies utilizing drawout power circuit breakers, as specified herein and shown on the contract drawings.

B. The Main Auxiliary Board Switchgear shall be rear accessible with maximum dimensions of 88”W x 96”H x 72”D.

C. The Generator Board Switchgear shall be fully front accessible with maximum dimensions of 52”W x 96”H x 54”D suitable for installation against a wall and/or in a corner.

1.02 REFERENCES

A. The low voltage metal-enclosed switchgear assembly and all components shall be designed, manufactured and tested in accordance with the following latest applicable standards:

1. ANSI-C37.20 – Switchgear assemblies

2. ANSI-C37.13 – Low voltage power circuit breakers

3. ANSI-C37.17 – Trip devices

4. ANSI C37.20.7 – Arc Resistant Testing

5. UL 1558

1.03 SUBMITTALS – FOR REVIEW/APPROVAL

A. The following information shall be submitted to the Engineer:

1. Master drawing index

2. Front view and plan view of the assembly

3. Three-line diagram

4. Schematic diagram

5. Nameplate schedule

6. Component list

7. Conduit space locations within the assembly

8. Assembly ratings including:

a. Short-circuit rating

b. Voltage

c. Continuous current rating

9. Major component ratings including:

a. Voltage

b. Continuous current rating

c. Interrupting ratings

10. Cable terminal sizes

11. Product data sheets

B. Where applicable, the following additional information shall be submitted to the Engineer:

1. Busway connection

2. Composite front view and plan view of close-coupled assemblies

3. Key interlock scheme drawing and sequence of operations

4. Mimic bus size and color

5. Arc Plenum and Duct details

1.04 SUBMITTALS – FOR CONSTRUCTION

A. The following information shall be submitted for record purposes as two hard copies and electronic files in .pdf and .dwg format:

1. Final as-built drawings shall incorporate all changes made during the manufacturing process. This includes wiring diagrams and information.

2. Certified production test reports

3. Installation information

4. Seismic certification as specified

5. Arc Plenum and Arc Exhaust details as specified

1.05 QUALIFICATIONS

A. Provide Seismic qualified equipment as follows:

1. The equipment and major components shall be suitable for and certified by actual seismic testing to meet all applicable seismic requirements of the latest International Building Code (IBC).

2. The Project Structural Engineer will provide site specific ground motion criteria for use by the manufacturer to establish SDS values required.

3. The IP rating of the equipment shall be 1.5

4. The Structural Engineer for the Site will evaluate the SDS values published on the Manufacturer’s website to ascertain that they are "equal to" or "greater than" those required for the Project Site.

5. The following minimum mounting and installation guidelines shall be met, unless specifically modified by the above referenced standards.

a. The Contractor shall provide equipment anchorage details, coordinated with the equipment mounting provision, prepared and stamped by a licensed civil engineer in the state. Mounting recommendations shall be provided by the manufacturer based upon the above criteria to verify the seismic design of the equipment.

b. The equipment manufacturer shall certify that the equipment can withstand, that is, function following the seismic event, including both vertical and lateral required response spectra as specified in above codes.

c. The equipment manufacturer shall document the requirements necessary for proper seismic mounting of the equipment. Seismic qualification shall be considered achieved when the capability of the equipment, meets or exceeds the specified response spectra.

1.06 REGULATORY REQUIREMENTS

A. The switchgear shall bear a UL 1558 label. Certified copies of production test reports shall be supplied demonstrating compliance with these standards. (The switchgear shall bear a label specifying that the assembly has been assembled and tested according to the specifications set forth by ANSI C.37.20.7.)

1.07 DELIVERY, STORAGE AND HANDLING

A. Equipment shall be handled and stored in accordance with manufacturer’s instructions. One (1) copy of these instructions shall be included with the equipment at time of shipment.

1.08 OPERATION AND MAINTENANCE MANUALS

A. Equipment operation and maintenance manuals shall be provided with each assembly shipped, and shall include instruction leaflets and instruction bulletins for the complete disassembly and re-assembly and each major component.`

PART 2 PRODUCTS

2.01 RATINGS

B. Voltage rating shall be as indicated on the drawings. The entire assembly shall be suitable for 600 volts maximum ac service.

C. The assembly shall be rated to withstand mechanical forces exerted during short-circuit conditions when connected directly to a power source having available fault current of 42,000 amperes symmetrical at rated voltage.

D. The bus system shall have a minimum ANSI short-circuit withstand rating of 100,000 amperes symmetrical tested in accordance with ANSI C37.20.1 and UL1558.

E. All circuit breakers shall have a minimum symmetrical interrupting capacity of 42,000 amperes. To ensure a fully selective system, all circuit breakers shall have 30 cycle short-time withstand ratings equal to their symmetrical interrupting ratings through 85,000 amperes, regardless of whether equipped with instantaneous trip protection or not.

F. All ratings shall be tested to the requirements of ANSI C37.20.1, C37.50, C37.51, and C37.20.7, and UL witnessed and approved.

2.02 CONSTRUCTION

A. The switchgear shall consist of the required number of vertical sections bolted together to form a rigid assembly. The sides shall be covered with removable bolt-on covers. All edges of front covers or hinged front panels shall be formed. Provide ventilators located on the top of the switchgear over the breaker and bus compartments to ensure adequate ventilation within the enclosure. The top of the enclosure shall also have arc ventilation flaps that allow exhaust of arc gases during an arcing event. These flaps shall remain closed during normal operation.

Ventilated openings shall be fitted with dust filters except to the extent that filters will not be in compliance with Section 1.02. The rear enclosure covers shall be fabricated in two (2) pieces for ease of handling and shall be mounted using captive hardware.

B. The assembly shall be provided with adequate lifting means and shall be capable of being moved into installation position and bolted directly to the floor without the use of floor sills providing the floor is level to 1/8 inch per 3-foot distance in any direction.

Provisions shall be made for jacking of shipping groups, for removal of skids or insertion of equipment rollers. Base of assembly shall be suitable for rolling directly on pipes without skids. The base shall be equipped with slots in the base frame members to accommodate the use of pry bars for moving the equipment to its final position.

C. Each vertical steel unit forming part of the switchgear line-up shall be a self-contained housing having one or more individual breaker or instrument compartments, a centralized bus compartment and a rear cable compartment. Each individual circuit breaker compartment, or cell, shall be segregated from adjacent compartments and sections by means of steel barriers to the maximum extent possible. An arc ventilation system shall be provided within each breaker cell to redirect arc energy to the top of the enclosure away from operating personnel. Each cell shall be equipped with drawout rails and primary and secondary disconnecting contacts. Removable hinge pins shall be provided on the breaker compartment door hinges. Current transformers for feeder instrumentation, where shown on the plans, shall be located within the appropriate breaker cells and be front accessible and removable.

D. The stationary part of the primary disconnecting devices for each power circuit breaker shall be breaker mounted and consist of a set of contacts extending to the rear through a glass polyester insulating support barrier; corresponding moving finger contacts, suitably spaced, shall be furnished on the power circuit breaker studs which engage in only the connected position. The assembly shall provide multiple silver-to-silver full floating high pressure point contacts with uniform pressure on each finger maintained by springs. Each circuit shall include the necessary three-phase bus connections between the section bus and the breaker line side studs.

Load studs shall be equipped with insulated copper load extension buses terminating in solderless type terminals in the rear cable compartment of each structure. Bus extensions shall be silver-plated where outgoing terminals are attached.

E. The circuit breaker door design shall be such that the following functions may be performed without the need to open the circuit breaker door: lever circuit breaker between positions, operate manual charging system, close and open circuit breaker, examine and adjust trip unit, and read circuit breaker rating nameplate. The circuit breaker door shall be one-piece, covering the primary and secondary compartments for each breaker, and shall be specifically designed to resist forces produced during an arcing event. A two-point latch shall be provided for additional rigidity. A door bellows system shall be placed around the front of each breaker to prevent arc gasses from escaping around the breaker escutcheon, while also allowing easy racking of the breaker into the disconnected position with the door closed.

F. The secondary disconnecting devices shall consist of floating terminals mounted on the stationary unit and engaging mating contacts at the front of the breaker. The secondary disconnecting devices shall be gold-plated and engagement shall be maintained in the “connected” and “test” positions.

G. The removable power circuit breaker element shall be equipped with disconnecting contacts and interlocks for drawout application. It shall have four positions, “connected,” “test,” “disconnected” and “removed.” The breaker drawout element shall contain a worm gear levering “in” and “out” mechanism with removable lever crank. Levering shall be accomplished via the use of conventional tools. Mechanical interlocking shall be provided so that the breaker is in the tripped position before levering “in” or “out” of the cell. Interlocking that trips the breaker will not be accepted. The breaker shall include an optional provision for key locking open to prevent manual or electric closing. Padlocking shall provide for securing the breaker in the connected, test, or disconnected position by preventing levering.

H. An insulating flash shield shall be mounted above each circuit breaker to prevent flashover from the arc chutes to ground.

I. The switchgear shall have a ventilation system that allows exhaust of dangerous arc gasses regardless of the origination location of the arc event. The ventilation system shall be designed to exhaust arc events originating in the breaker cell, bus compartment, and rear cable compartment.

J. The arc rating of the switchgear shall be Type 2B (operator protected around entire perimeter of equipment, even with the low voltage control compartment door open) as defined by ANSI C37.20.7.

1. Additional Type 2B protection shall allow the operator / maintenance personnel protection even when accessing the secondary wiring compartment of each individual breaker through an isolated secondary wiring compartment located above each breaker.

2. Switchgear without isolated, arc resistant breaker secondary compartments for each breaker is not acceptable.

K. The arc resistant switchgear shall not have an arc plenum, and shall only require ten

(10) feet minimum floor-to-ceiling height for arc exhaust, with no obstructions in the space above the switchgear. Switchgear requiring arc plenum or clearance greater than 10 feet above finished floor is not acceptable.

L. Provide in the cell when the circuit breaker is withdrawn, a safety shutter which automatically covers the line and load stabs and protects against incidental contact.

M. The switchgear shall be suitable for use as service entrance equipment and be labeled in accordance with UL requirements.

N. Switchgear for the Main Auxiliary Board shall be rear accessible with maximum dimensions of 88”W x 96”H x 72”D.

1. Provide a vented rear compartment barrier between the cable compartment and the main bus to protect against inadvertent contact with main or vertical bus bars.

2. Provide a metal barrier full height and depth between adjacent vertical structures in the cable compartment.

O. Switchgear for the Generator Board shall be fully, front accessible with maximum dimensions of 52”W x 96”H x 54”D.

1. No rear access shall be required for power cable terminations, connections or inspection. Only front access shall be available for equipment installation, and the switchgear shall be installed against a back wall. Switchgear which does not meet this requirement will not be considered for this project.

2.03 BUS

A. All bus bars shall be silver-plated copper. Main horizontal bus bars shall be mounted with all three phases arranged in the same vertical plane. Bus sizing shall be based on ANSI standard temperature rise criteria of 65 degrees C over a 40 degrees C ambient (outside the enclosure).

B. Provide a full capacity neutral bus where a neutral bus is indicated on the drawings.

C. A copper ground bus shall be furnished firmly secured to each vertical section structure and shall extend the entire length of the switchgear. The ground bus short-time withstand rating shall meet that of the largest circuit breaker within the assembly.

D. All hardware used on conductors shall be high-tensile strength and zinc-plated. All bus joints shall be provided with Belleville-type washers.

2.04 WIRING/TERMINATIONS

A. Small wiring, necessary fuse blocks and terminal blocks within the switchgear shall be furnished as required. Control components mounted within the assembly shall be suitably marked for identification corresponding to the appropriate designations on manufacturer’s wiring diagrams.

B. Provide a front accessible, isolated vertical wireway for routing of factory and field wiring. Factory provisions shall be made for securing field wiring without the need for adhesive wire anchors.

C. Front access to all circuit breaker secondary connection points shall be provided for ease of troubleshooting and connection to external field connections without the need of removing the circuit breaker for access.

D. All control wire shall be type SIS. Control wiring shall be 14 ga for control circuits and 10 ga for current transformer circuits. Wire bundles shall be secured with nylon ties and anchored to the assembly with the use of pre-punched wire lances or nylon non-adhesive anchors. All current transformer secondary leads shall first be connected to conveniently accessible shorting terminal blocks before connecting to any other device. Shorting screws with provisions for storage shall be provided. All groups of control wires leaving the switchgear shall be provided with terminal blocks with suitable numbering strips and provisions for #10 AWG field connections.

E. Each control wire shall be marked to the origin zone/wire name/destination zone over the entire length of the wire using a cured ink process.

F. Provide wire markers at each end of all control wiring. Plug-in terminal blocks shall be provided for all shipping split wires.

G. NEMA 2-hole mechanical-type lugs shall be provided for all line and load terminations suitable for copper or aluminum cable rated for 75 degrees C of the size indicated on the drawings. Furnish provision for line & load cables to enter the top or bottom of the cable compartment.

H. Lugs shall be provided in the incoming line section for connection of the main grounding conductor. Additional lugs for connection of other grounding conductors shall be provided as indicated on the drawings.

2.05 CIRCUIT BREAKERS

A. All protective devices shall be low voltage power circuit breakers, Cutler-Hammer type Magnum DS or approved equal. All breakers shall be UL listed for application in their intended enclosures for 100% of their continuous ampere rating.

B. All power circuit breakers shall be constructed and tested in accordance with ANSI C37.13, C37.16, C37.17, C37.50, UL 1066 and NEMA SG-3 standard. The breaker shall carry a UL label.

C. Breakers shall be provided in drawout configuration.

D. Power circuit breakers shall utilize a two-step stored-energy mechanism to charge the closing springs. The closing of the breaker contacts shall automatically charge the opening springs to ensure quick-break operation.

E. Breakers shall be electrically operated (EO) as indicated on the drawings.

F. Electrically operated breakers shall be complete with 125 Vdc motor operators. The charging time of the motor shall not exceed 6 seconds.

G. To facilitate lifting, the power circuit breaker shall have integral handles on the side of the breaker.

H. The power circuit breaker shall have a closing time of not more than 3 cycles.

I. The primary contacts shall have an easily accessible wear indicator to indicate contact erosion.

J. The power circuit breaker shall have three windows in the front cover to clearly indicate any electrical accessories that are mounted in the breaker. The accessory shall have a label that will indicate its function and voltage. The accessories shall be plug and lock type and UL listed for easy field installation. They shall be modular in design and shall be common to all frame sizes and ratings.

K. The breaker control interface shall have color-coded visual indicators to indicate contact open or closed positions, as well as mechanism charged and discharged positions. Manual control pushbuttons on the breaker face shall be provided for opening and closing the breaker. The power circuit breaker shall have a “Positive

On” feature. The breaker flag will read “Closed” if the contacts are welded and the breaker is tripped or opened.

L. The current sensors shall have a back cover window that will permit viewing the sensor rating on the back of the breaker. A rating plug will offer indication of the rating on the front of the trip unit.

M. A position indicator shall be located on the faceplate of the breaker. This indicator shall provide color indication of the breaker position in the cell. These positions shall be Connect (Red), Test (Yellow), and Disconnect (Green). The levering door shall be interlocked so that when the breaker is in the closed position, the breaker levering-in door shall not open.

N. Each power circuit breaker shall offer up to seventy two (72) front-mounted dedicated secondary wiring points. Each wiring point shall have finger safe contacts, which will accommodate #10 AWG maximum field connections with ring tongue or spade terminals or bare wire.

2.06 TRIP UNITS

A. Each low voltage power circuit breaker shall be equipped with a solid-state tripping system consisting of three current sensors, microprocessor-based trip device and flux-transfer shunt trip. Current sensors shall provide operation and signal function.

The trip unit shall use microprocessor-based technology to provide the basic adjustable time-current protection functions. True rms sensing circuit protection shall be achieved by analyzing the secondary current signals received from the circuit breaker current sensors and initiating trip signals to the circuit breaker trip actuators when predetermined trip levels and time delay settings are reached. Interchangeable current sensors with their associated rating plug shall establish the continuous trip rating of each circuit breaker. The trip unit shall be Cutler-Hammer type Digitrip RMS 520MC or approved equal.

B. The trip unit shall have an information system that utilizes battery backup LEDs to indicate mode of trip following an automatic trip operation. The indication of the mode of trip shall be retained after an automatic trip. A reset button shall be provided to turn off the LED indication after an automatic trip. A test pushbutton shall energize a LED to indicate the battery status.

C. The trip unit shall be provided with a display panel, including a representation of the time/current curve that will indicate the protection functions. The unit shall be continuously self-checking and provide a visual indication that the internal circuitry is being monitored and is fully operational.

D. The trip unit shall be provided with a making-current release circuit. The circuit shall be armed for approximately two cycles after breaker closing and shall operate for all peak fault levels above 25 times the ampere value of the rating plug.

E. Trip unit shall have selectable powered and unpowered thermal memory for enhanced circuit protection.

F. Complete system selective coordination shall be provided by the addition of the following individually adjustable time/current curve shaping solid-state elements:

1. All circuit breakers shall have adjustments for long delay pickup and time

2. All circuit breakers shall have individual adjustments for short delay pickup and time, and include I2t settings

3. All circuit breakers shall have an adjustable instantaneous pickup

G. Provide a trip unit test kit for testing of trip units. The trip unit shall have provisions for a single test kit to test each of the trip functions.

H. The trip unit shall provide zone interlocking for the short-time delay and ground fault delay trip functions for improved system coordination. The zone interlocking system shall restrain the tripping of an upstream breaker and allow the breaker closest to the fault to trip with no intentional time delay. In the event that the downstream breaker does not trip, the upstream breaker shall trip after the present time delay.

I. Factory shall wire for zone interlocking for the power circuit breakers within the switchgear.

J. The trip unit shall have a 4-character LCD display showing phase, neutral, and ground current. The accuracy of these readings shall be +/- 2% of full scale.

K. The trip unit shall be equipped to permit communication via a network twisted pair for remote monitoring and control.

L. The trip unit shall include a power/relay module which shall supply control to the readout display. Following an automatic trip operation of the circuit breaker, the trip unit shall maintain the cause of trip history and the mode of trip LED indication as long as its internal power supply is available.

M. The trip unit shall include a voltage transformer module, suitable for operation up to 600V, 50/60 Hz. The primary of the voltage transformer module shall be connected internally to the line side of the circuit breaker through a dielectric test disconnect plug.

N. The trip unit shall utilize an Arc Flash Reduction Maintenance System. The Arc Flash Reduction Maintenance System Technology shall be provided in a system that shall reduce the trip unit Instantaneous pickup value when activated. The Arc Flash Reduction Maintenance System shall not compromise breaker phase protection even when enabled. Once the unit is disabled, the recalibration of trip unit phase protection shall not be required. Activation and deactivation of the Arc Flash Reduction Maintenance trip setting shall be accomplished without opening the circuit breaker door and exposing operators to energized parts.

O. For maximum arc flash risk reduction, the Arc Flash Reduction Maintenance System shall provide a total clearing time of 40 milliseconds or less.

P. Arc Flash Reduction Maintenance System pick-up values must be adjustable with a minimum of five settings ranging from 2.5X to 10X of the sensor value.

1. The Arc Flash Reduction Maintenance System shall be enabled via a switch on the trip unit. It shall also provide confirmation of protection via a Blue LED.

2. The Arc Flash Reduction Maintenance System shall be provided with a switchgear panel mounted enable padlockable selector switch and indication via Blue LED pilot light.

3. The Arc Flash Reduction Maintenance System shall be able to be enabled/disabled with status across serial communications.

2.07 HIGH RESISTANCE GROUNDING SYSTEM

A. Provide a factory integrated and installed High Resistance Grounding system to limit phase-ground fault current to 5A at full phase-ground voltage.

B. Provide a separate control compartment with front hinged door that includes the following:

1. A switchboard type ground current ammeter, 1% accuracy, 250-degree scale, 0 to 10 A ac

2. System control selector switch with PULSE/NORMAL/TEST positions. Switch shall spring-return from the test position

3. Reset control selector switch with AUTO/MANUAL/RESET positions. Switch shall spring-return from RESET position. The AUTO position shall cause the ground fault relay to automatically reset when a ground is no longer detected. The MANUAL position shall cause the ground alarm relay to latch and remain latched until the selector is moved to the RESET position by the operator

4. A green lamp to indicate that the system is in normal condition, a red lamp to indicate that a ground fault has been detected, and a white lamp that flashes at the same rate and at the same time as the pulsing contactor

5. An instruction nameplate that provides the operator with a step-by-step procedure for operating the controls

6. A rating nameplate that states the maximum ground current, maximum pulse current and duty rating of the equipment at maximum current levels

7. An alarm horn with an alarm silence pushbutton and re-alarm timer. The horn shall be a high-decibel type. Alarm silence control shall reset when ground relay is reset. Alarm shall automatically re-sound at the end of a 2- to 48-hour field-settable time interval if alarm has been silenced but ground fault still exists. Re-alarm timer shall not be defeatable via any control device

C. Provide the following control devices and features:

1. Ground fault relay with harmonics filter to prevent nuisance tripping on systems with high harmonic currents created by variable frequency drives. Ground fault relay shall have a UL 1053 label

2. One normally open and one normally closed ground fault alarm contact

3. Test loops (for convenient attachment of a snap-on hand-held ammeter) in the ground current and test current circuits

4. Provide a test circuit protected by a current-limiting fuse rated 200,000 amperes and operated by the system control switch via a panel-mounted test circuit relay.

The test circuit shall connect phase B to ground through a current-limiting resistor. The test circuit shall not be direct-wired to the door-mounted test switch.

The test circuit relay shall be constrained from operating if a ground fault is presently being detected

5. A pulsing contactor, controlled by an adjustable timer. The timer shall allow an adjustment range of 0-10 seconds

6. 120 Vac control power transformer for self-contained operation. The control power transformer shall have current limiting primary fuses rated 200,000 AIC at the system voltage

7. Primary disconnect switch mounted ahead of test and control power fuses

8. Tapped resistors with taps wired out to a convenient front accessible terminal block. Taps shall provide 1 to 5 amperes of ground current in 1 amp increments.

Resistors shall be heavy-duty industrial type, edgewound or wirewound design.

Each resistor tube shall have a stamped steel rating nameplate. The resistor assembly shall be interconnected with 200 degree C rated #8 AWG wire. All connections to the resistor assembly shall be #8 AWG SIS wire

9. All wiring in the grounding circuit from the neutral point to the system ground terminal shall be #8 AWG type SIS minimum. All control wiring shall be #14 AWG type SIS minimum

10. Provide ground detection device to allow pinpointing of ground fault location.

2.08 MAIN-GENERATOR AUTOMATIC TRANSFER

A. The transfer controller shall be equal to an Eaton ATC-900 type microprocessor-based controller. The controller shall be hardened against potential problems from transients and surges. Operation of the transfer switch and monitoring of both sources shall be managed by the controller.

B. The microprocessor-based controller display shall be UV resistant and include a 4.3 inch Color TFT (480x272), backlit display. The controller shall be capable of displaying transfer switch status, parameters, and diagnostic data. All set point parameters shall be password protected and programmable using the controller keypad, USB port, or remotely using serial port access. Limited abbreviations or codes shall be used for transfer switch functions.

C. The microprocessor-based controller shall include a mimic bus display consisting of six (6) individual LED’s (3mm) for indicating the following:

1. Availability status of source 1

2. Availability status of source 2

3. Connection status of source 1

4. Connection status of source 2

5. Source 1 Preferred

6. Source 2 Preferred

D. The controller shall have a voltage range of 0-790 volts (50/60 Hz) with an accuracy of +/- 1% of the reading and a frequency range of 40-70 Hz with an accuracy of +/- .3 Hz.

E. Voltage and frequency dropout and pickup parameters are set as a percentage of the nominal voltage as indicated in the table below.

Setpoint Sources Dropout Pickup

Undervoltage Source1 and 2 70 – 97% (DO + 2%) - 99%

Overvoltage Source 1 and 2 105 –

110%

103% - (DO – 2%)

Underfrequency Source 1 and 2 90 – 97% (DO + 1Hz) – 99%

Overfrequency Source 1 and 2 103 –

105%

101% - (DO – 1Hz)

Voltage Unbalance Source 1 and 2 5 – 20% (UNBAL DO% - 2) –

3%

F. The normal and emergency sources shall include phase reversal protection. The preferred rotation is programmable as ABC or CBA.

G. Time Delays

1. A time delay shall be provided on transfer to source 2, adjustable from 0 to 166 minutes.

2. A time delay shall be provided to override a momentary power outage or voltage fluctuation, adjustable from 0 to 120 seconds.

3. A time delay shall be provided on retransfer from source 2 to source 1, adjustable from 0 to 166 minutes.

4. A time delay shall be provided after retransfer that allows the generator to run unloaded prior to shutdown, adjustable form 0 to 166 minutes.

5. A time delay shall be provided for engine failure to start, adjustable 0- 6 seconds.

6. All delays shall be field adjustable from the microprocessor-based controller without the use of special tools.

H. One Form C contact for closure of the source 1 generator start circuit for optional use with a dual generator system. The contacts shall be rated for 5-Amp at 250-Vac and 5-Amp at 30-Vdc.

I. One Form C contact for closure of the source 2 generator start circuit. The contacts shall be rated for 5-Amp at 250-Vac and 5-Amp at 30-Vdc.

J. The controller shall include two independently programmable Engine Exercisers, selectable as disabled, 7, 14, or 28 day interval, or by calendar date. Run time shall be adjustable for 0-600 minutes, with or without load. Upon loss of source 2 power, the ATS shall automatically return to source 1. Transfer time delays shall also be independently programmable for test events.

K. The controller shall include a keypad pushbutton to initiate a system test.

L. The controller shall include 4 user configurable inputs. Each input provides 50 volts at 10ma and can be user configured to one of the following features:

1. Input to accept a remote contact which closes to initiate a transfer to source 2.

This feature shall be failsafe and an automatic retransfer shall occur in the event that source 2 power is lost.

2. Input to accept a remote contact which opens to inhibit transfer to source 2.

3. Input to enable monitor mode to disable automatic operation of the transfer switch while continuing to display status. Monitor mode allows set point programming at the controller display.

4. Input to enable lockout feature to disable automatic operations of the transfer switch following an overcurrent trip of an integral circuit breaker.

5. Input to enable or disable manual retransfer to source 1.

6. Input to initiate manual retransfer to source 1.

7. Input to initiate a remote engine test. The test will run using the programmed engine test set points.

8. Input to select source 1 or source 2 as the preferred source.

9. Input to initiate a remote load test.

M. One Form C auxiliary contact to indicate Source 1 position and one Form C contact to indicate source 2 position. Outputs shall be rated for 125vdc or else interposing relays shall be provided.

N. One Form C contact for Source 1 Available. Outputs shall be rated for 125vdc or else interposing relays shall be provided.

O. One Form C contact for Source 2 Available. Outputs shall be rated for 125vdc or else interposing relays shall be provided.

P. Data Logging

1. Historical Data Storage to include:

a. Engine Run Time

b. Source 1 Available time

c. Source 2 Available time

d. Source 1 Connected time

e. Source 2 Connected time

f. Source 1 Engine Run Time

g. Source 2 Engine Run Time

h. Load Energized Time

i. Number of Transfers

2. Event Summary shall include up to 100 date and time stamped events. All metered values are logged for each event. Event summaries include:

a. Transfer events

b. Alarms

c. Changes to the set points

d. Changes to the time/date

e. Resetting a historical counter

f. Engine Run test

3. Event Details shall include up to 350 date and time stamped events. All metered values are logged for each event. Event details include detailed sequence of operations of a transfer event.

4. Event recording shall capture 4 seconds of metered data, stored every 20 msec for certain events. The data is captured 2 seconds before and 2 seconds after the event. Oscillographic data for 10 events is stored and may be downloaded over USB. Events Include:

a. Source unavailability actions that initiate a transfer sequence (Undervoltage, Overvoltage, etc.)

b. Successful transfers (at the point of breaker/contactor closure)

c. Unsuccessful transfers (at the point of breaker/contactor failure to close or open)

Q. Non-Automatic Control: Provide a 2-Position (43) Selector Switch, maintained contact, marked: “Automatic” and “Manual”.

R. Device panel mounted Preferred Source Selector switch

S. Communications interface to the facility SCADA as described below.

2.09 TRANSFORMER SECONDARY

A. For the existing 13.8KV to 480V Delta, 300KVA, Station Service Transformer, provide and install one current transformer for each phase. The CT's shall be multi-tap, 400:5, and rated to supply a government furnished and installed 50/51 protective relay.

B. Make the proper connections from the low side of the existing Station Service Transformer to the new Main Auxiliary Board switchgear in compliance with all aplicable standards.

2.10 MISCELLANEOUS DEVICES

A. Fused control power transformers shall be provided as indicated on the drawings or as required for proper operation of the equipment. A manual disconnect shall be provided ahead of the primary fuses. Control power transformers shall have adequate capacity to supply power to the existing transformer cooling fans.

2.11 METERING

A. Provide a separate owner metering compartment with front hinged door.

B. Provide current transformers for each meter. Current transformers shall be wired to shorting-type terminal blocks.

C. Provide revenue metering-class, potential transformers including primary and secondary fuses with disconnecting means for power quality meter as well as existing kW Hour metering.

D. Main meter shall be a UL listed microprocessor based multifunction power quality meter equal to Eaton PXM2290.

E. The meter surge withstand shall conform to IEEE C37.90.1 and ANSI C62.41.

F. The meter shall accept a direct voltage input range of up to 576 Volts Line to Neutral, and a range of up to 721 Volts Line to Line.

G. The meter shall accept a current input of up to 10 amps continuous. Startup current for a 5A input shall be no greater than 0.005A.

H. Fault Current Withstand shall be 100 Amps for 10 seconds, 300 Amps for 3 seconds, and 500 Amps for 1 second.

I. The meter shall have an accuracy of +/- 0.1% or better for volts and amps, and 0.2% for power and energy functions. The meter shall meet the accuracy requirements of ANSI C12.20 (Class 0.2%).

J. The meter shall provide true RMS measurements of voltage, phase to neutral and phase to phase; current, per phase and neutral.

K. The meter shall provide sampling at 400+ samples per cycle on all channels measured readings simultaneously.

L. Meter shall provide per phase % THD and individual harmonic monitoring to the 40th order for current and for voltage L-N. Metered values shall include Volts, Amps, kW, kVAR, PF, kVA, Frequency, kWh, kVAh and kVARh. Provide 1 KYZ pulse output, on board meter limit exceeded alarms.

M. Embedded web server shall support a waveform view of real time harmonic distortion and allow recording waveforms up to 512 samples per cycle.

N. Meter shall have a minimum of 768MB onboard memory for data logging.

O. The meter shall provide user configured fixed window or sliding window demand.

P. Meter shall provide a simultaneous voltage and current waveform recorder with programmable sampling rate.

Q. The meter shall allow up to 1500 events to be recorded.

R. The meter shall be able to be configured and viewed from the on-board web server without the need for external software

S. The meter shall include a three-line, bright red, .56” LED display.

T. The meter must display a % of Load Bar on the front panel to provide an analog feel.

The % Load Bar shall have not less than 10 segments.

U. The meter shall support Modbus RTU, Modbus ASCII, DNP 3.0, Ethernet TCP/IP, Modbus TCP, BACnet/IP, SNMP v1 & v3 (Network), SMTP (email), HTTP and HTTPS communication.

V. NEMA 1 Enclosure

2.12 NAMEPLATES

A. Engraved nameplates, mounted on the face of the assembly, shall be furnished for all main and feeder circuits as indicated on the drawings. Nameplates shall be laminated plastic, white characters on black background, and secured with screws.

Characters shall be 3/16-inch high, minimum.

B. Furnish master nameplate giving switchgear designation, voltage ampere rating, short-circuit rating, and manufacturer’s name.

C. Control components mounted within the assembly, such as fuse blocks, relays, pushbuttons, switches, etc., shall be suitably marked for identification corresponding to appropriate designations on manufacturer’s drawings.

D. Arc Resistant Labeling – Labels shall be provided for each section that specify the gear has been assembled and tested as required by ANSI C.37.20.7.

2.13 FINISH

A. All exterior and interior steel surfaces of the switchgear shall be properly cleaned and provided with a rust-inhibiting phosphatized coating. Color and finish of the switchgear shall be ANSI 61.

2.14 ACCESSORIES

A. Provide a traveling type circuit breaker lifter, rail-mounted on top of switchgear. The lifter shall be fitted with a nameplate showing proper capacity ratings.

2.15 COMMUNICATIONS

A. All breaker trip units, the transfer controller, and main meter shall be networked together to provide communications to the plant SCADA system via multiple protocols including, at a minimum, Modbus TCP, SNMP, and BACNet/IP.

B. In addition to communications to the existing plant SCADA, the system shall provide webpage access to all trip units, the transfer controller, and the main meter.

C. SCADA interface shall allow for opening / closing of all electrically operated breakers, remote control of the transfer controller, and enabling / disabling of Arc Flash Reduction Maintenance System for any breaker.

D. The switchgear shall be supplied with all required gateways, Ethernet switches, etc.

required to allow a single RJ45 Ethernet drop connection to the switchgear line-up to access all communicating devices.

E. A through-the-door Ethernet port shall be included in the switchgear to allow convenient connection for a laptop or other device for local network access.

2.16 SURGE PROTECTIVE DEVICE

A. SPD shall comply with ANSI/UL 1449 4th Edition or later listing by Underwriters Laboratories (UL).

B. Service entrance located SPDs shall be tested and demonstrate suitability for application within ANSI/IEEE C62.41 Category C environments.

C. The SPD shall be of the same manufacturer as the switchboard.

D. The SPD shall be factory installed integral to the switchboard by the original equipment manufacturer.

E. Locate the SPD on the load side of the main disconnect device, as close as possible to the phase conductors and the ground/neutral bar.

F. The SPD shall be connected through a disconnect (30A circuit breaker). The disconnect shall be located in immediate proximity to the SPD.

G. All monitoring and diagnostic features shall be visible from the front of the equipment.

H. Maintenance Free Design – The SPD shall be maintenance free and shall not require any user intervention throughout its life. SPDs containing items such as replaceable single-mode modules, replaceable fuses, or replaceable batteries shall not be accepted. SPDs requiring any maintenance of any sort such as periodic tightening of connections shall not be accepted. SPDs requiring user intervention to test the unit via a diagnostic test kit or similar device shall not be accepted.

I. Balanced Suppression Platform – The surge current shall be equally distributed to all MOV components to ensure equal stressing and maximum performance. The surge suppression platform must provide equal impedance paths to each matched MOV.

Designs incorporating replaceable SPD modules shall not be accepted.

J. Electrical Noise Filter – Each Type 2 unit shall include a high-performance EMI/RFI noise rejection filter. Noise attenuation for electric line noise shall be up to 50 dB from 10 kHz to 100 MHz using the MIL-STD-220A insertion loss test method.

Products unable able to meet this specification shall not be accepted.

K. Type 2 units with filtering shall conform to UL 1283 5th Edition

L. Type 1 units shall not contain filtering or have a UL 1283 5th Edition Listing.

M. Internal Connections – No plug-in component modules or printed circuit boards shall be used as surge current conductors. All internal components shall be soldered, hardwired with connections utilizing low impedance conductors.

N. Monitoring Diagnostics – Each SPD shall provide the following integral monitoring options:

1. Protection Status Indicators - Each unit shall have a green / red solid-state indicator light that reports the status of the protection on each phase.

2. For wye configured units, the indicator lights must report the status of all protection elements and circuitry in the L-N and L-G modes. Wye configured units shall also contain an additional green / red solid-state indicator light that reports the status of the protection elements and circuitry in the N-G mode.

SPDs that indicate only the status of the L-N and L-G modes shall not be accepted.

3. For delta configured units, the indicator lights must report the status of all protection elements and circuitry in the L-G and L-L modes

4. The absence of a green light and the presence of a red light shall indicate that damage has occurred on the respective phase or mode. All protection status indicators must indicate the actual status of the protection on each phase or mode. If power is removed from any one phase, the indicator lights must continue to indicate the status of the protection on all other phases and protection modes. Diagnostics packages that simply indicate whether power is present on a particular phase shall not be accepted.

5. Remote Status Monitor – The SPD must include Form C dry contacts (one NO and one NC) for remote annunciation of its status. Both the NO and NC contacts shall change state under any fault condition.

6. Audible Alarm and Silence Button – The SPD shall contain an audible alarm that will be activated under any fault condition. There shall also be an audible alarm silence button used to silence the audible alarm after it has been activated.

O. Electrical Requirements:

1. Unit Operating Voltage – Refer to drawings for operating voltage and unit configuration.

2. Maximum Continuous Operating Voltage (MCOV) – The MCOV shall not be less than 115% of the nominal system operating voltage.

3. The suppression system shall incorporate thermally protected metal-oxide varistors (MOVs) as the core surge suppression component for the service entrance and all other distribution levels. The system shall not utilize silicon avalanche diodes, selenium cells, air gaps, or other components that may crowbar the system voltage leading to system upset or create any environmental hazards.