R0004.pdf

W68MD961321047 320900

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

Chief Joseph Dam DC Preferred AC Upgrades

Please see Continuation Page for further details.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 15-Dec-2016

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-0001

X 9B. DATED (SEE ITEM 11)

17-Nov-2016

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X 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

15-Dec-2016

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-0001

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

The purpose of Amendment four (0004) is as follows:

Incorporate changes to the specifications and clauses as indicated.

1. Specifications – revised specifications sections are as follows:

Section 26 32 34.00 26 Section 26 32 36.00 26

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. Battery Bank Photos Battery bank photos are provided for information purposes only.

3. Clauses – revised clause is as follows:

Section 00 73 00 – Special Contract Requirements:

SC-9, Listing of Government-Furnished Property. Change in red.

4. Proposal Submittal Proposal submittal time and date remain the same: 22 December 2016 at 10:00:00 a.m. LOCAL TIME.

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

Encl:

26 32 34.00 26 (revised) 26 32 36.00 26 (revised) Battery bank photos (new) Clause (only revised clause included)

(End of Summary of Changes)

W912DW-17-R-0001

SECTION 00 73 00 - SPECIAL CONTRACT REQUIREMENTS

The following have been modified:

SC-9 LISTING OF GOVERNMENT-FURNISHED PROPERTY [In accordance with FAR Subpart 45.2]

The following item(s) will be made available to the Contractor at Chief Joseph Dam in accordance with the Solicitation and resulting Contract.

Description Quantit y

Estimated Acquisition Cost

Inverter 2 1 $29,281.00

Inverter 1 1 $29,281.00

Battery Bank 4 1 $72,463.00

Battery Bank 4 – Battery Charger/Rectifier

4 $4,480.00 total

The above estimated acquisition cost is applicable to accounting for Government-furnished property. This cost shall not be included by the Contractor in the proposal price. (FAR clause 52.245-1, Government Property)

This page intentionally left blank.

CHIEF JOSEPH POWERHOUSE DC AND PREFERRED AC UPGRADES 16010

SECTION TABLE OF CONTENTS

DIVISION 26 - ELECTRICAL

SECTION 26 32 34.00 26

BATTERIES

PART 1 GENERAL

1.1 GENERAL INFORMATION

1.2 REFERENCED PUBLICATIONS

1.3 SUBMITTALS

PART 2 PRODUCTS

2.1 BATTERIES

2.1.1 General

2.1.2 Plate Construction

2.1.3 Cell Construction

2.1.4 Electrolyte

2.1.5 Accessories

2.1.6 Spill Barrier and Absorbent

2.1.7 Battery Terminal Shrouds

2.2 BATTERY MONITORING SYSTEM

2.2.1 General

2.2.2 Hardware

2.2.3 Software

2.2.4 Wiring and Equipment

2.2.5 Measurement Parameters

2.2.5.1 General

2.2.5.2 Accessories

2.3 HYDROGEN GAS DETECTOR

2.4 SMOKE DETECTOR

2.5 SEISMIC BATTERY RACKS AND BARRIERS

2.6 FANS

2.7 PLATFORM LIFT

2.8 BATTERY ROOM CRANES

PART 3 EXECUTION

3.1 EQUIPMENT REMOVAL

3.2 EQUIPMENT INSTALLATION

3.2.1 General

3.2.2 Battery and Rack Installation

3.2.3 Battery Monitoring System

3.2.4 Spill Barriers and Absorbent

3.2.5 Ventilation Fans

3.2.6 On-Site Maintenance Charging

3.3 INSPECTION AND TESTS

3.3.1 Battery Capacity Test

3.3.2 Inspection

3.3.3 Tests

3.3.4 Safety

3.3.5 Field Testing

3.3.6 Operating Tests

3.3.7 Acceptance

3.4 OPERATION AND MAINTENANCE MANUALS

SECTION 26 32 34.00 26 Page 1

W912DW-17-R-0001 R0004

3.5 TRAINING

-- End of Section Table of Contents --

SECTION 26 32 34.00 26 Page 2

SECTION 26 32 34.00 26

BATTERIES

PART 1 GENERAL

1.1 GENERAL INFORMATION

a. Remove and dispose of the following:

(1) Two(2) 58 cell 125VDC Battery Banks (Battery Banks #1 and #2)

(2) One(1) 116 cell 125/ 250VDC Battery Bank (Battery Bank #3)

(3) One(1) 24 cell 24/48VDC Battery Bank (Battery Bank #4, except that Battery Bank #4 shall be re-installed instead of disposed of)

b. Remove and dispose of all existing battery racks in Battery Room No. 1 on EL. 798 and in Battery Room No. 2 on EL. 798.

c. Remove and dispose the conductors from existing 125VDC and 125/250VDC Battery Banks #1 and #3, respectively, in Battery Room No.

1 on EL. 798 to the DC switchboard SB on EL. 785.

d. Remove and dispose the conductors from existing 125VDC Battery Bank #2 in Battery Room No. 2 to the DC switchboard CE21 outside Battery Room No. 2 on EL. 798.

e. Remove and dispose the conductors from existing 24/48VDC Battery Bank #4 in Battery Room No. 1 on EL. 798 to the DC switchboard CD1 on EL. 785 in the cable gallery by the Station Service bay.

f. Remove and dispose exhaust fans at Battery Rooms No. 1 and No. 2.

g. Remove and dispose existing 125/250VDC Battery Bank #3 interconnection cable boxes in Battery Room No. 1.

h. Furnish and install two (2) new 58 cell 125VDC Battery Banks BE-1 and BE-2 with seismic racks as per this specification.

i. Furnish and install one (1) new 116 cell 125/250VDC Battery Bank BE-3 with seismic racks as per this specification.

j. Furnish and install one (1) new seismic rack and re-install existing 24 cell 24/48VDC Battery Bank BE-4 as per this specification.

k. Furnish and install four (4) new spill mitigation barriers with absorbent floors as per this specification.

l. Furnish and install four (4) new battery monitoring systems for each new battery bank complete with computers, diagnostic equipment, wiring, dry output contacts, and battery monitoring software packages.

m. Furnish and install battery room hydrogen gas detectors and smoke detectors in Battery Rooms No. 1 and No. 2.

n. Furnish and install replacement exhaust fans and new supply fans, complete with ducting, power, controls, and alarms at Battery Rooms No. 1 and No. 2.

SECTION 26 32 34.00 26 Page 3

o. Inspect and test the installed equipment to verify functionality and proper connection.

p. Furnish and install a junction box at each battery room required to distribute the 120VAC preferred AC power to the room monitors and detectors.

q. Furnish and install a junction box at each battery room required to gather all room monitors and detector alarms.

r. Provide on-site maintenance charging of all battery cells delivered to the site prior to installation of the batteries and cutover to the new battery chargers, in accordance with the battery manufacturer's requirements for warranty purposes.

1.2 REFERENCED PUBLICATIONS

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

INTERNATIONAL CODE COUNCIL (ICC)

ICC IBC (2015) International Building Code

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 450 (2010) Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications

IEEE 484 (2002; R 2008) Recommended Practice for Installation Design and Installation of Vented Lead-Acid Storage Batteries for Stationary Applications

IEEE 1375 (1998; R 2003) Guide for the Protection of Stationary Battery Systems

IEEE 1491 (2012) Selection and Use of Battery Monitoring Equipment in Stationary Applications

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 94 (1996; R2006) Tests for Flammability of Plastic Materials for Parts in Devices and Appliances

SECTION 26 32 34.00 26 Page 4

1.3 SUBMITTALS

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

submittals not having a "G" designation are for information only or as otherwise designated. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. In addition to the submittals required by SECTION 26 05 00.00 26 , the following shall be submitted in accordance with SECTION 01 33 00 unless otherwise indicated below:

SD-02 Shop Drawings

Drawings of the Seismic Battery Racks and Barriers ; G, HDC

Coordination Drawings of the Seismic Battery Racks, Battery Cells, and Hoists ; G, HDC

SD-03 Product Data

Batteries ; G, HDC

Seismic Battery Racks and Barriers ; G, HDC

Battery Terminal Shrouds ; G, HDC

Battery Monitoring System ; G, HDC

Spill Barrier and Absorbent ; G, HDC

Hydrogen Gas Detector ; G, HDC

Smoke Detector ; G, HDC

Platform Lift ; G, HDC

SD-06 Test Reports

Within 30 calendar days before delivery, submit five copies of the following:

Battery Capacity Test Results ; G, HDC

SD-07 Certificates

Within 30 calendar days after notice to proceed, submit five copies of the following:

Battery Capacity Test Procedures ; G, HDC

Certification of Compliance for the Seismic Battery Racks ; G, HDC

SD-10 Operation and Maintenance Data

Operation and Maintenance Manuals ; G, HDC

SECTION 26 32 34.00 26 Page 5

PART 2 PRODUCTS

2.1 BATTERIES

2.1.1 General

a. The battery furnished under these specifications shall be the following make or approved equal:

Battery System Model Nominal Amp-hour capacity at 8 hour rate

125VDC BE-1 Enersys GC-35M 3085

125VDC BE-2 Enersys GC-27M 2360

125/250VDC BE-3 Enersys GC-35M 3085

24/48VDC BE-4 Existing to be re-installed

b. For the purpose of determining an approved equal, the following specifications shall apply:

The batteries shall be an ungrounded, lead-calcium, flooded cell, vented type station batteries for all systems and shall meet the nominal amp hour capacity (8 hour rate) requirement as specified above. The batteries shall be suitable for operation in a hydroelectric powerhouse. The two (2) 125VDC shall consist of 58 cells each, the one (1) 125/250VDC battery shall consist of 116 cells, and the 24/48VDC battery bank shall consist of 24 cells. The nominal cell voltage shall be 2.00VDC with a floating voltage of 2.25VDC.

Additionally, the end of duty cycle minimum cell voltage shall be 1.81VDC/cell for Battery Banks BE-1, BE-2, and BE-3 . If the manufacturer only provides data based on 1.75Vpc, the manufacturer must convert that into data equivalent to 1.81Vpc and include that in the submittal .

c. The batteries shall be fully at least 95% charged at delivery and after installation.

d. The batteries shall be warranted for a minimum of 7 years have a pro-rated warranty to the end of life. An expectancy of design life shall be no less than 20 years.

e. Battery bank design, installation and protection shall meet or exceed the requirements within IEEE 484 and IEEE 1375 .

f. Battery banks shall be supplied with all necessary insulated inter-cell connectors and terminal lugs, bolts and plates necessary for the complete assembly. Terminal lugs for Battery Banks BE-1, BE-2 and BE-3 shall be capable of accepting a minimum of two (2) 500kcmil cables per polarity including the center tap for the 125/250VDC Battery System BE-3.

g. Inter-cell connectors shall be jacketed flexible conductors of adequate ampacity.

h. Each battery cell shall be supplied fitted with an adhesive

SECTION 26 32 34.00 26 Page 6 equipment nameplate.

i. Each battery bank shall be supplied with a set of large adhesive numbers which will be applied on site to identify each cell (sequentially) in the bank.

j. Cell containers shall be transparent.

2.1.2 Plate Construction

The batteries shall have grid plates of lead-calcium. Separator shall be of the low resistance type.

2.1.3 Cell Construction

The cell container shall be a flame retardant thermoplastic jar conforming to UL 94 .

2.1.4 Electrolyte

The electrolyte shall have a specific gravity within the range of 1.215 and 1.240 at 77 degrees F.

2.1.5 Accessories

The batteries shall be furnished with the manufacturer's standard recommended accessories including but not limited to the following:

a. All associated lead-plated copper intercell and terminal connectors

b. Acid-resistant cell numerals

c. Thermometer with holder

d. Cell lifting device

e. Special tools as required by the manufacturer for maintenance

f. Battery terminal shrouds, including twelve (12) extra shrouds for future replacement

g. One safety kit per battery room with a disposal capacity recommended by the manufacturer.

2.1.6 Spill Barrier and Absorbent

The spill barrier for each battery bank shall be minimum 12 gauge steel or as otherwise approved, minimum four inches in height, galvanized or PVC coated, and shall be designed to allow adjustment in the field. The contractor shall provide liners and absorbent that are UL recognized with a Class A fire rating or otherwise approved for battery acid. Absorbent material shall be UL Listed for use as a battery acid spill absorbent and placed within both spill barriers to cover the floor within the barriers to a depth of one to three inches or as recommended by the absorbent manufacturer for these installations.

2.1.7 Battery Terminal Shrouds

All battery terminals and posts shall be fitted with battery terminal shrouds to insulate the terminal or post from accidental contact with any other object. Shrouds shall be similar to RPC Ltd. BAX-003 series shrouds. Shrouds shall have meter probe holes or provisions to allow for passage of the battery monitoring system wiring through the shroud without having to cut openings in the shroud.

SECTION 26 32 34.00 26 Page 7

2.2 BATTERY MONITORING SYSTEM

2.2.1 General

The battery monitoring system for each battery bank shall monitor each cell and shall be Ametek Solidstate Controls battery monitoring system type CellRX, or approved equal . There shall be four battery monitoring systems, one for each battery bank. Battery monitoring shall be in accordance with Part 4 of IEEE 1491 .

2.2.2 Hardware

The monitoring system, or each system, shall be PC-based, and shall include a computer, monitor, keyboard, mouse, and operating system (Windows 7 or later), all meeting the system requirements of Section 01 45 00.10 10 , QUALITY CONTROL SYSTEM. Only one computer need be provided of the Contractor can show that it can monitor all four systems separately without having to physically switch any connections. The system shall be capable of providing an external output (rated 125VDC) for at least one trouble indication, for the DC system annunciator panel.

Each battery system shall be powered by the preferred AC system and shall be hardwired, not powered by a convenience outlet.

2.2.3 Software

The system shall include a software package capable of receiving and recording the measured parameters and shall be the product of a firm specializing in providing software for this purpose, regularly engaged in that business for a minimum of five (5) years. The software package and version shall have been in commercial use for a minimum of the last three

(3) years. The user interface shall be such that parameters may be queried by the mouse from selections displayed on the monitor and shall not require the use or knowledge of a specialized computer programming language. The Contractor shall configure the software for the batteries, and perform testing and debugging to demonstrate proper operation.

2.2.4 Wiring and Equipment

Wiring conforming to Section 26 05 19.00 26 , INSULATED WIRE AND CABLE shall be run along the string of cells of each battery in plastic wireway. Data-gathering nodes shall be provided as required.

2.2.5 Measurement Parameters

2.2.5.1 General

Parameters to be monitored on all batteries shall be in accordance with Part 7 of IEEE 1491 , including but not limited to:

a. Float voltage (per battery)

b. Equalizing voltage (per battery)

c. Recharge Voltage (per battery)

d. Open-circuit voltage (per battery and per cell)

e. Discharge Voltage (per battery)

f. DC current (per battery)

g. Ripple voltage (per battery)

h. Ripple current (per battery)

i. Cell temperature (pilot cell)

j. Ambient temperature (Battery Room)

SECTION 26 32 34.00 26 Page 8

2.2.5.2 Accessories

The batteries monitoring system shall be furnished with the manufacturer's standard recommended accessories and spare parts, including but not limited to the following:

a. Two (2) spare data collecting nodes

b. One (1) spare float current monitor

c. One (1) spare controller

d. One (1) spare alarm output card

e. Special tools as required by the manufacturer for maintenance

2.3 HYDROGEN GAS DETECTOR

Provide hydrogen gas detecting modules (wall-mounted controller with remote sensor on ceiling) in the Battery Rooms (one (1) in Battery Room #1 and one (1) in Battery Room #2) for detecting and alarming upon detection of high concentrations of hydrogen gas. The detections modules shall include the following characteristics and features:

a. Alarm relay, SPDT, that operates at 1% concentration of hydrogen

b. Alarm relay, SPDT, that operates at 2% concentration of hydrogen

c. Pulsing alarm horn that activates at 2% concentration of hydrogen

d. Power on indicating light

e. 1% concentration alarm light

f. 2% concentration alarm light

g. 120VAC power supply

h. Test pushbutton

Alarm relays shall be rated for 125VDC, or rated 24VDC and provided with an interposing relay for 125VDC alarm signal. The alarm may be a wall-mounted conroller with remote sensor.

2.4 SMOKE DETECTOR

Provide smoke detectors for each battery room for detecting and alarming upon detection of smoke. Include the following characteristic and features for the detector:

a. Alarm relay, SPDT

b. The supply voltage shall be rated at 120VAC, 60Hz with a 9V battery backup.

c. The unit be photoelectric smoke sensor type.

d. The unit shall include a test button that will electronically simulate the presence of smoke and cause the unit to go into alarm.

Alarm relay shall be rated for 125VDC, or rated 24VDC and provided with an interposing relay for 125VDC alarm signal.

2.5 SEISMIC BATTERY RACKS AND BARRIERS

Battery racks, including anchors, and installation, shall be as per IEEE 484 paragraph 5.3 and shall be able to withstand the seismic criteria presented in Section 13 48 00.00 26 , SEISMIC RESTRAINT FOR MECHANICAL AND ELECTRICAL EQUIPMENT, paragraph DESIGN STANDARDS. Certification of compliance for the seismic battery racks shall be submitted. The battery racks shall be of the horizontal, double stepped tier assembly based on space availability as shown on the Contract drawings. The contractor

SECTION 26 32 34.00 26 Page 9 shall submit drawings of the Seismic Battery Racks and Barriers .

2.6 FANS

Supply and exhaust fans shall be provided with air flow switches that will alarm locally and remotely with any loss of air flow condition. Provide a visual annunciation device above and outside each battery room door, match existing, field verify prior to demolition.

2.7 PLATFORM LIFT

Furnish two manually-operated hydraulic platform lifts for battery cell movement throughout the powerhouse. Lift shall have 1,000 lb capacity, lift height minimum 60", lowered height maximum 6", outside width maximum 26", and floor locks. Similar to Acran 5BTL0002 or Wesco 260044.

2.8 BATTERY ROOM CRANES

Battery Room No. 1 shall have two bridge crane/hoists, Battery Room No. 2 shall have one bridge crane/hoist. See Section 41 22 23.19 26 BATTERY ROOM CRANES. The Prime Contractor shall assume responsibilty for coordinating the various subcontractors for the seismic battery racks, battery cells, and cranes/hoists. The hoists shall be demonstrated as suitable for lifting any cell clear of the seismic rack and neighboring cells by submitting Coordination Drawings of the Seismic Battery Racks, Battery Cells, and Hoists for approval. The submittal shall include catalog cuts and procedural descriptions of how any cell is to be prepared for hoisting (straps, yokes, etc.) both for installing in a rack and for removing from a rack.

PART 3 EXECUTION

3.1 EQUIPMENT REMOVAL

a. Extra care shall be taken when removing the batteries to ensure that all hazardous materials are handled properly and in accordance with all Local, State, and Federal requirements.

b. The contractor shall remove the battery banks in stages as per the equipment replacement and cutover plan and shall coordinate the removal plan with the Government. Contractor is responsible for disconnecting intercell connections.

c. Contractor shall coordinate with the government before removal and subsequent disposal of existing batteries.

d. Contractor shall provide a Certificate of Disposal, which includes, but is not limited to the following:

(1) Model Number, Serial Number, and Quantity of batteries.

(2) Name of Approved EPA Battery Recycling Facility where contractor will dispose batteries.

e. Contractor shall provide a Certificate of Recycling from the EPA Approved Recycling Facility that certifies that the batteries have been disposed of properly.

SECTION 26 32 34.00 26 Page 10

f. Contractor shall plug or isolate existing drains in battery rooms during battery installation.

3.2 EQUIPMENT INSTALLATION

3.2.1 General

Installation of the batteries and all systems described herein shall conform to IEEE 484 and the manufacturer's literature. The contractor shall install and make ready for operation the battery systems in accordance with this specification, the approved installation plan, the plan requited in paragraph EQUIPMENT REPLACEMENT AND CUTOVER PLAN in Section 26 05 00.00 26 , BASIC ELECTRICAL MATERIALS AND METHODS, and the contract drawings.

3.2.2 Battery and Rack Installation

Battery and rack installation shall conform to IEEE 484 and the manufacturer's literature. All new battery racks shall comply with the seismic requirements of Section 13 48 00.00 26 , SEISMIC RESTRAINT FOR

MECHANICAL AND ELECTRICAL EQUIPMENT.

3.2.3 Battery Monitoring System

The battery monitoring system wiring for the cells for each battery shall be installed along the length of the battery for each battery bank.

Wiring running to the data collection nodes and/or diagnostics boxes shall be in a wireway approved for the application. Wireway installation shall not interfere with access to the cell terminals or electrolyte openings.

Wireway installed such that conflicts of this nature have occurred during installation shall be removed and reinstalled properly. Data collection nodes and/or diagnostics boxes or similar equipment shall be installed at one end of each battery and may utilize the existing structural supports vacated by the existing nodes or shall be supported by new galvanized steel strut as required and complying with the requirements of SECTION 13 48 00.00 26 .

3.2.4 Spill Barriers and Absorbent

The barrier material shall be fixed to the floor by the approved acid-resistant adhesive gel applied the full length along the perimeter of each battery. The floor area under each battery and the legs of the battery racks shall be coated with the approved acid-resistant floor sealant. The approved absorbent material shall be placed over the area of the floor enclosed by each barrier to a depth of one inch below the top of the barrier.

3.2.5 Ventilation Fans

Ventilation fans shall be installed at the locations shown on the Contract drawings. Contractor shall provide all the duct, hardware, and supports required for the safe and reliable operation of the systems.

3.2.6 On-Site Maintenance Charging

Provide on-site maintenance charging of all battery cells delivered to the site prior to installation of the batteries and cutover to the new battery chargers, in accordance with the battery manufacturer's requirements for warranty purposes.

SECTION 26 32 34.00 26 Page 11

3.3 INSPECTION AND TESTS

3.3.1 Battery Capacity Test

The Contractor shall perform an 8-hour battery capacity test prior to shipment and again after the battery is installed in the field. The battery must have at least 95 percent capacity upon delivery. The capacity test shall conform to IEEE 450 . The test shall include the initial conditions, and 8-hour test length and discharge rate of a constant current load equal to the manufacturer's 8-hour rating for all cells. Five copies of the battery capacity test procedures and battery capacity test results shall be submitted for approval.

3.3.2 Inspection

All apparatus furnished and all work performed shall be subject to inspection and no apparatus shall be installed until all required tests or inspections have been made or certified copies of reports of tests have been accepted. Acceptance of apparatus or waiving of the inspection thereof shall in no way relieve the Contractor of the responsibility for furnishing apparatus meeting the requirements of these specifications.

3.3.3 Tests

Each item of equipment furnished shall be tested as required below to demonstrate the item is free from electrical and mechanical defects and conforms to the requirements of the contract specifications. All tests required herein shall be witnessed by the government, unless waived in writing, and no equipment shall be shipped until it has been approved for shipment. The Government shall be notified a minimum of 15 days in advance of the date of the tests, so that arrangements can be made for the government personnel to be present and witness the tests. The test equipment and the test methods used shall conform to the applicable requirements of ANSI, IEEE, and NEMA standards and shall be subject to approval. Five certified copies of the reports of all tests, recording all data obtained during the test shall be furnished. The cost of performing all tests shall be borne by the Contractor and shall be included in the price bid. Operational tests shall be made on the equipment in conjunction with the tests specified elsewhere.

3.3.4 Safety

The Contractor shall provide and use safety devices such as rubber gloves, protective barriers, and danger signs to protect and warn personnel in the test vicinity. The Contractor shall replace any devices or equipment which are damaged due to improper test procedures or handling. The contractor shall not reuse any damaged equipment without the written approval from the Government.

3.3.5 Field Testing

a. Field Acceptance Testing and submittals shall be performed as described in Section 26 08 01.00 26 , SYSTEMS TESTING AND COMMISSIONING and as described herein. Where testing and/or submittals is duplicated between these Sections, the testing and /or submittals need not be duplicated; however, the more stringent of the two requirements shall apply.

SECTION 26 32 34.00 26 Page 12

b. Field testing shall be performed in the presence of the Contracting Officer. The Contractor shall notify the Contracting Officer 14 days prior to conducting tests. The Contractor shall furnish all materials, labor, and equipment necessary to conduct field tests. The Contractor shall perform all tests and inspection recommended by the manufacturer unless specifically waived by the Government. The Contractor shall maintain a written record of all tests which includes date, test performed, personnel involved, devices tested, serial number and name of test equipment and test results.

All field test reports will be signed and dated by the Contractor.

c. The field tests shall include but not be limited to:

(1) Continuity and insulation resistance tests of wiring installed from the batteries to the DC switchboards as described in Section

26 05 19.00 26 , INSULATED WIRE AND CABLE.

(2) Post-to-post resistance tests to show that the average post-to-post resistance is within 10% of the minimum and maximum post-to-post reading.

(3) Battery monitor tests to verify accurate measurement of the parameters listed in PART 2.

d. Field test report shall be submitted in accordance with paragraph SUBMISSION OF TEST RESULTS in SECTION 26 05 00.00 26 , BASIC ELECTRICAL MATERIALS AND METHODS, and paragraph RESPONSIBILITIES OF THE CONTRACTOR'S COMMISSIONING ENGINEER in Section 26 08 01.00 26 , SYSTEMS

TESTING AND COMMISSIONING.

3.3.6 Operating Tests

After the installation is completed, and at such time as the Contracting Officer may direct, the Contractor shall conduct operating tests for approval. The equipment shall be demonstrated to operate in accordance with the specified requirements. An operating test report shall be submitted in accordance with paragraph SUBMISSION OF TEST RESULTS in SECTION 26 05 00.00 26 , BASIC ELECTRICAL MATERIALS AND METHODS, and paragraph RESPONSIBILITIES OF THE CONTRACTOR'S COMMISSIONING ENGINEER in Section 26 08 01.00 26 , SYSTEMS TESTING AND COMMISSIONING.

3.3.7 Acceptance

Final acceptance of the facility will not be given until the Contractor has successfully completed all tests and after all defects in installation, material or operation have been corrected.

3.4 OPERATION AND MAINTENANCE MANUALS

The Contractor shall submit an Operation and Maintenance (O&M) Manual for each battery type and for the battery monitoring systems. Separate manuals for each may be submitted. In addition to meeting the requirements of Section 01 78 23 , OPERATIONS AND MAINTENANCE DATA, the following shall be included:

a. Certified copies of the battery capacity test report.

b. Procedures for battery disposal.

SECTION 26 32 34.00 26 Page 13

c. Chemical data sheets for the batteries and data sheets for all battery system components.

d. Detailed instructions on proper equalize and float charging procedures for the vented lead selenium batteries.

e. Battery monitor software configuration settings and instructions on using the program's user interface.

f. Wiring diagrams of the battery monitoring system and external connections to the Powerhouse annunciation system.

3.5 TRAINING

The Contractor shall provide three six-hour classes of instruction on the maintenance of the batteries, and the use of the battery monitoring system and its user interface, including the software, user input and output, settings, and operating parameters. All training manuals, slides, and other materials be submitted 30 days prior to the date training is scheduled to occurs.

-- End of Section --

SECTION 26 32 34.00 26 Page 14

SECTION TABLE OF CONTENTS

DIVISION 26 - ELECTRICAL

SECTION 26 32 36.00 26

BATTERY CHARGERS AND INVERTERS

PART 1 GENERAL

1.1 GENERAL INFORMATION

1.2 REFERENCED PUBLICATIONS

1.3 SUBMITTALS

1.4 QUALITY CONTROL

PART 2 PRODUCTS

2.1 BATTERY CHARGERS

2.1.1 General

2.1.2 Input

2.1.3 Output

2.1.4 Voltage Regulation

2.1.5 Filtering

2.1.6 Reverse Current

2.1.7 Output Current Limit

2.1.8 Battery Eliminator Option

2.1.9 Cooling

2.1.10 Protection

2.1.11 Equalizing Charge Timer

2.1.12 Audible Noise

2.1.13 Terminals

2.1.14 Indicating Meters

2.1.15 Alarm Relays

2.1.16 Accessories and Spare Parts

2.2 PREFERRED AC SOURCE SELECTION SWITCHES

2.3 ISOLATION TRANSFORMERS

PART 3 EXECUTION

3.1 INSTALLATION

3.2 INSPECTION AND TESTS

3.2.1 Inspection

3.2.2 Tests

3.2.3 Safety

3.2.4 Field Testing

3.2.5 Conductor And Cable Test

3.2.6 Operating Tests

3.3 ACCEPTANCE

3.4 OPERATION AND MAINTENANCE MANUALS

3.5 TRAINING

-- End of Section Table of Contents --

SECTION 26 32 36.00 26 Page 1

SECTION 26 32 36.00 26

BATTERY CHARGERS AND INVERTERS

PART 1 GENERAL

1.1 GENERAL INFORMATION

a. Remove and dispose of existing 125VDC Battery Chargers #1, #2, #3, and #4, located in the Station Service Bay on El. 785.

b. Remove and dispose of existing 125VDC Battery Chargers #5 and #6, located outside Battery Room No. 2 on EL. 798.

c. Remove and dispose of existing 24VDC Battery Chargers #7,#8, and #9, located in the cable gallery on El. 785.

d. Remove and dispose of existing 200A Battery Chargers 2-BCE-1 and 2-BCE-2 (not presently connected), located in the cable gallery on El.

785.

e. Furnish and install 400A 125VDC Battery Chargers 1-BCE-1, 1-BCE-2, 3-BCE-1, 3-BCE-3, 3-BCE4, and 3-BCE-2 in the Station Service Bay at El. 785.

f. Furnish and install 400A 125VDC Battery Chargers 2-BCE-1 and 2-BCE-2 in the cable gallery on El. 785 (replace existing).

g. Install Government-Furnished Equipment (GFE) inverter IV-1 in the Station Service Bay on El. 785.

h. Furnish and install 480V bypass transformer BT-1 for inverter IV-1 in the Station Service Bay on El. 785.

i. Provide seismic anchoring of existing inverter IV-2 in the Station Service Bay on El. 785.

j. Furnish and install 120V isolation transformers at inverters IV-1 and IV-2.

k. Furnish and install enclosed molded case circuit breakers at the isolation transformers.

l. Furnish and install Preferred AC source selection switches CHTS1 and CHTS2 in the Station Service Bay on El. 785.

1.2 REFERENCED PUBLICATIONS

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

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI C39.1 (1981; R 1992) Requirements for Electrical Analog Indicating Instruments

SECTION 26 32 36.00 26 Page 2

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE C37.90.1 (2012) Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2014) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA PE 5 (1997; R 2003) Utility Type Battery Chargers

UNDERWRITERS LABORATORIES (UL)

UL 1564 (2015) Industrial Battery Chargers

1.3 SUBMITTALS

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

submittals not having a "G" designation are for information only or as otherwise designated. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with SECTION 01 33 00 unless otherwise indicated below:

SD-03 Product Data

Battery Chargers ; G, HDC

Preferred AC Source Selection Switches ; G, HDC

SD-06 Test Reports

Factory Test Report ; G, HDC

Operational Test Report ; G, HDC

SD-10 Operation and Maintenance Data

Operation and Maintenance Manuals ; G, HDC

1.4 QUALITY CONTROL

Factory testing shall be performed as described in UL 1564 and NEMA PE 5.

Submit the factory test report for approval. No equipment may be shipped until the factory test reports have been approved.

PART 2 PRODUCTS

2.1 BATTERY CHARGERS

2.1.1 General

a. The Contractor shall furnish and install eight (8) 125VDC 400A battery chargers of identical make and model. The following specifications shall apply. All battery chargers shall conform to

SECTION 26 32 36.00 26 Page 3

UL 1564 and NEMA 250. The battery chargers shall be a solid state type capable of recharging any stationary, secondary battery type.

The battery chargers shall employ an integrated circuitry. The control and indicating devices shall be an integral part of each charger, operable and visible from the front of the charger.

Nameplates shall comply with Section 26 05 00.00 26 , BASIC ELECTRICAL MATERIALS AND METHODS, paragraphs IDENTIFICATION NAMEPLATES and

FABRICATED NAMEPLATES.

b. A set of two (2) battery chargers shall be capable of being connected as load sharing in parallel operation.

c. The battery chargers shall be named as follows:

(1) The two (2) 400A chargers to be provided and connected to Battery Bank BE-1 shall be designated as 1-BCE-1 and 1-BCE-2.

(2) The two (2) 400A chargers to be provided and connected to Battery Bank BE-2 shall be designated 2-BCE-1 and 2-BCE-2.

(3) The four (4) 400A chargers to be provided and connected to Battery Bank BE-3 shall be designated 3-BCE-1, 3-BCE-2, 3-BCE-3, and 3-BCE-4.

(4) The four (4) existing 20A chargers already in place shall be connected to Battery Bank BE-4 and are designated 4-BCE-1, 4-BCE-2, 4-BCE-3, and 4-BCE-4.

d. Each battery charger provided by the Contractor shall have the manufacturer recommended devices and following devices:

(1) A means of adjusting the floating voltage.

(2) A means of adjusting the equalizing voltage.

(3) An equalizing charge timer, as specified in paragraph

EQUALIZING CHARGE TIMER.

(4) Circuit breakers or contactors with auxiliary contacts, AC and DC, as specified in paragraph PROTECTION.

(5) A DC voltmeter, as specified in paragraph INDICATING METERS.

(6) A DC ammeter, as specified in paragraph INDICATING METERS.

(7) An AC voltmeter, as specified in paragraph INDICATING METERS.

(8) An AC ammeter, as specified in paragraph INDICATING METERS.

2.1.2 Input

The input to all battery chargers will be 480V, three-phase, 60 Hz. The 480VAC sources shall be per the contract drawings.

2.1.3 Output

Each charger shall have the following DC output provisions:

a. Zero to 100 percent rated amperes continuous.

SECTION 26 32 36.00 26 Page 4

b. A minimum adjustable float range of 130 volts plus or minus 5 percent for the 125VDC charger and 26V plus or minus 5 percentage for the 24VDC charger.

c. A minimum adjustable equalizing range of 135-140 VAC.

2.1.4 Voltage Regulation

Output regulation shall be +/- 0.5 percent of the float voltage from zero to 100 percent of rated charger capacity with the AC input variations stated previously and with the battery connected. Regulation shall be +/- 1 percent of the equalize voltage.

2.1.5 Filtering

On all chargers, the maximum allowable ripple voltage at any output from zero to full load shall be as per Table 6 in NEMA PE 5.

2.1.6 Reverse Current

Reverse current into the chargers shall be limited to 0.1 percent of rating during an AC supply voltage outage, charger failure, or during equalizing. Failure and restoration of an AC supply voltage shall not require manual reset operations.

2.1.7 Output Current Limit

Output current limit shall be factory set at 100 percent of rating and be adjustable from 60- 120110 percent. Adjustment provisions shall be accessible from the front of the charger.

2.1.8 Battery Eliminator Option

Each charger shall be capable of carrying the load with the battery disconnected (battery eliminator operation) with a maximum 100 mV rms in case of 125VDC chargers and 30 mV rms in case of 24VDC chargers in ripple voltage in accordance with NEMA PE 5, with and without the batteries on line.

2.1.9 Cooling

Each charger shall be self-ventilated for operation in an ambient temperature not to exceed 40 degree C. Chargers rated over 300 amperes output may use forced air cooling but cooling shall be internally powered.

2.1.10 Protection

Each charger shall be provided with input and output magnetic circuit breakers, or contactors with overload relays, with voltage and current ratings suitable for the specified input and output. Interrupting ratings shall be in accordance with the requirements provided in Section 26 28 00.00 26 , PANELBOARDS AND SWITCHBOARDSfor breakers integral to the equipment shall be minimum 20kA . Manual controls shall be furnished for all contactors. The solid state electronic circuits shall have AC and DC transient voltage protection adequate to withstand the IEEE C37.90.1 SWC tests applied to both input and output terminals. Auxiliary contacts shall be provided on all breakers or contactors so that external control circuits can ascertain the closed status or the opened/tripped status of

SECTION 26 32 36.00 26 Page 5 the breaker or contactor. These contacts shall be in addition to any contacts that may be required on the breakers for the alarms specified in paragraph "Alarm Relays." Ground detection shall be capable of being switched off or disabled to prevent interference with ground detection at the battery switchboard. Contacts shall be rated not less than 10 amperes continuous at 600VAC for AC circuits and 300VDC for DC circuits.

2.1.11 Equalizing Charge Timer

A 72 hour timer shall be provided for automatically resetting each battery charger from an equalizing charge setting to a normal float charge setting after a preset period of time.

2.1.12 Audible Noise

The audible noise at 1 meter shall be less than 70 dBA at 100 percent load.

2.1.13 Terminals

The input and output terminals in each charger shall be suitable for wire sizes shown on the contract drawings. Output circuit breakers shall have lugs, or shall use lug adaptors, to allow connection of two separate load feeders of equal size as shown on the contract drawings without the use of external terminal boxes.

2.1.14 Indicating Meters

All indicating meters shall be one percent accuracy class digital meters , and shall conform to , except the AC meters may be analog with minimum 2% accuracy. All meters shall meet the applicable requirements of ANSI C39.1 .

Where listed as local, the meter shall be in the battery charger cabinet.

Each battery charger voltmeter shall be connected to the load side of the DC breaker. The following meters shall be provided on each battery charger:

a. AC Input Voltmeter, local

b. AC Input Ammeter, local

c. DC Output Voltmeter, local

d. DC Output Ammeter, local

2.1.15 Alarm Relays

Where indicated as local, the alarm shall be in the battery charger cabinet. Master trouble contacts shall operate for all listed local relay actions, as well as additional local relay actions as available. A local indicator light and a contact for remote annunciation shall be provided to indicate the following conditions (as a minimum):

a. AC input failure, local and remote

b. High DC output voltage, local and remote

c. Low DC output voltage, local and remote

d. Positive to Ground, local and remote

e. Negative to Ground, local and remote

f. Battery Charger failure, local and remote

g. DC Output circuit breaker open, local and remote

h. AC input circuit breaker open, local and remote

i. Fan Failure, local and remote (not used)

j. Over Temperature, local

k. End of Discharge, local

SECTION 26 32 36.00 26 Page 6

l. Charger Overload (not used)

m. Master trouble contact, local and remote

2.1.16 Accessories and Spare Parts

The following parts shall be furnished as spares:

a. Six (6) - Lamps of each type used in indicating lights

b. Two (2) - Indicating lamp assemblies of each type used

c. One (1) - Cooling fan of each type used

d. One (1) - Fan assembly of each type used

e. Three (3) - Silicon controlled rectifiers of the type used

f. Five (5) - Fuses of each type used

g. One (1) - Charger control board of the type used

h. One (1) - Charger alarm control of the type used

2.2 PREFERRED AC SOURCE SELECTION SWITCHES

Provide two 260 ampere 240 volt-rated 2-pole 3-wire electrically-operated transfer switches for single-phase application. The neutral pole will not be switched. Operation will normally be manual but electrically-operated in compliance with these specifications, except that the switch must be of the passive closed transition type similar to Asco 7000 series 7NCTS, allowing closed transition if the two sources are within 5 electrical degrees of each other; otherwise, the transition must automatically revert to open transition. Switch CH1TS will transfer the load (Panelboard CH-1) between alternate power sources (inverters IV-1 and IV-2) as required for operational and maintenance procedures. Likewise, Switch CH2TS will transfer the load (Panelboard CH-1) between alternate power sources (inverters IV-1 and IV-2) as required for operational and maintenance procedures.

2.3 ISOLATION TRANSFORMERS

Isolation transformers shall be 25kVA, 120VAC-120VAC 60Hz single-phase, 115 degree C temperature rise, electrostatically shielded, with two 2.5 percent taps above and below nominal.

PART 3 EXECUTION

3.1 INSTALLATION

Based on the approved Equipment Replacement and Cutover Plan as required in paragraph EQUIPMENT REPLACEMENT AND CUTOVER PLAN in Section 26 05 00.00 26 , BASIC ELECTRICAL MATERIALS AND METHODS, and based on the approved installation drawings, and the specifications, the Contractor shall install, inspect and make ready for field testing the following electrical systems:

a. Conduit and cable systems for served loads from 480 volt sources to the battery chargers and inverter bypass transformers.

b. Conduit and cable systems for served loads from the 125VDC switchboards 1-CE-1 and 1-CE-2 (in Battery Switchboard SB) to the batteries, battery chargers, and DC loads.

c. Conduit and cable systems for served loads from the 125VDC switchboards 2-CE-1 and 2-CE-2 to the batteries, battery chargers, and

SECTION 26 32 36.00 26 Page 7

DC loads.

d. Conduit and cable systems for served loads from the 125/250VDC switchboards 3-CE-1 and 3-CE-2 (in Battery Switchboard SB) to the batteries, battery chargers, and DC loads.

e. Conduit and cable systems for served loads from the 24/45VDC switchboards 4-CE-1 and 4-CE-2 to the batteries, battery chargers,and DC loads.

f. Conduit and cable systems for served loads from the preferred AC switchboards CH-1 and CH-2 (in Battery Switchboard SB) to the inverters and preferred AC loads.

3.2 INSPECTION AND TESTS

3.2.1 Inspection

All apparatus furnished and all work performed shall be subject to inspection and no apparatus shall be installed until all required tests or inspections have been made or certified copies of reports of tests have been accepted. Acceptance of apparatus or waiving of the inspection thereof shall in no way relieve the Contractor of the responsibility for furnishing apparatus meeting the requirements of these specifications.

3.2.2 Tests

Each item of equipment furnished shall be tested as required below to demonstrate the item is free from electrical and mechanical defects and conforms to the requirements of the specifications. All tests required herein shall be witnessed by the GQAR, unless waived in writing, and no equipment shall be shipped until it has been approved for shipment. The Government shall be notified a minimum of 15 days in advance of the date of the tests, so that arrangements can be made for the GQAR to be present at and witness the tests. The test equipment and the test methods used shall conform to the applicable requirements of ANSI, IEEE, UL, and NEMA standards and shall be subject to approval. Five certified copies of the reports of all tests recording all data obtained during any given test shall be furnished. The cost of performing all tests shall be borne by the Contractor and shall be included in the price bid. Operational tests shall be made on the equipment in conjunction with the tests specified elsewhere.

3.2.3 Safety

The Contractor shall provide and use safety devices such as rubber gloves, protective barriers, and danger signs to protect and warn personnel in the test vicinity. The Contractor shall replace any devices or equipment which are damaged due to improper test procedures or handling.

3.2.4 Field Testing

a. Field Acceptance Testing and submittals shall be performed as described in Section 26 08 01.00 26 , SYSTEMS TESTING AND COMMISSIONING, and as described herein. Where testing and/or submittals is duplicated between these SECTIONS, the testing and /or submittals need not be duplicated; however, the more stringent requirements shall apply.

SECTION 26 32 36.00 26 Page 8

b. Field testing shall be performed in the presence of the Contracting Officer. The Contractor shall notify the Contracting Officer 14 calendar days prior to conducting tests. The Contractor shall furnish all materials, labor, and equipment necessary to conduct field tests. The Contractor shall perform all tests and inspection recommended by the manufacturer unless specifically waived by the COR. The Contractor shall maintain a written record of all tests which includes date, test performed, personnel involved, devices tested, serial number and name of test equipment, and test results.

All field test reports will be signed and dated by the Contractor.

c. The field tests shall include but not be limited to:

(1) Continuity and insulation resistance tests of wiring installed post factory installation, as described in Section

26 05 19.00 26 , INSULATED WIRE AND CABLE.

(2) Manual circuit breaker operation

(3) Meter…