21._Attachment_A_Specifications.pdf

Attachment A

Curecanti KZ1A Replacement

– Specifications 7-10-15

DE-SOL-0008581

CURECANTI SUBSTATION

TRANSFORMER REPLACEMENT

Spec. No. 857

SECTION C

DESCRIPTION/SPECIFICATIONS

COLORADO

SECTION C

DESCRIPTION/SPECIFICATIONS

CURECANTI SUBSTATION TRANSFORMER REPLACEMENT

DIVISION 1 – GENERAL REQUIREMENTS

A. CONTRACT REQUIREMENT:

B. DESCRIPTION OF WORK:

C. DESCRIPTION OF BIDDING SCHEDULE ITEM:

1. Bidding Schedule item “Mobilization and preparatory work”

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK:

E. CONSTRUCTION SCHEDULE:

F. MATERIAL:

G. RIGHTS-OF-WAY:

H. GEOLOGIC INVESTIGATION:

I. ELECTRIC POWER FOR CONSTRUCTION PURPOSES:

J. WATER FOR CONSTRUCTION PURPOSES:

K. EXPLOSIVES AND BLASTING:

L. SUBMITTALS:

DIVISION 2 – SITEWORK

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Miscellaneous sitework”

2. Bidding Schedule item “Oil detention basin”

3. Bidding Schedule item “Demolition”

DIVISION 3 – CONCRETE

A. GENERAL:

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Concrete foundations”

DIVISION 4 – SUBSTATION METALWORK

A. GENERAL:

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Steel structures, welded (galvanized)”

2. Bidding Schedule item "Modifying steel structures"

DIVISION 9 – SUBSTATION – ELECTRICAL

A. GENERAL:

B. DECSRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Power transformer, 230/115-kV, 150 MVA, three-phase (Government-furnished)”:

2. Bidding Schedule item “Power circuit breaker 115-kV, 3000 amps (Government-furnished)”: ... 22

3. Bidding Schedule items “Disconnecting switch, 230-kV, 2000 amps”, Disconnecting switch, 115-kV, 2000 amps” and “Disconnecting switch, 15-kV, 2000 amps”

4. Bidding Schedule item “Coupling capacitor voltage transformer, 115-kV, single-phase”

5. Bidding Schedule item “Outdoor bus systems”

6. Bidding Schedule item “Associated electrical equipment and material”

7. Bidding Schedule item “Existing outdoor electrical equipment and material”

8. Bidding Schedule items “Furnishing 5/c No. 10 AWG control cable” and “Furnishing 12/c No. 10

AWG control cable”

9. Bidding Schedule items “Installing 5/c No. 10 AWG control cable” and “Installing 12/c No. 10

AWG control cable”

10. The Bidding Schedule item “Furnishing and installing fiber optics”

DIVISION 13 – ENVIRONMENTAL QUALITY PROTECTION

A. DESCRIPTION:

B. SPECIAL REQUIREMENTS

EXHIBIT 1

DIVISION 1 – GENERAL REQUIREMENTS

A. CONTRACT REQUIREMENT:

Construct and complete Curecanti Substation Transformer Replacement, in accordance with the Construction Contract (Standard Form 1442); the Contract Clauses; Western’s Construction Standards, including Standard 1 – General Requirements (September 2013), Standard 2 – Sitework (September 2013), Standard 3 – Concrete (September 2013), Standard 4 – Substation Metalwork and Transmission Line Lattice Structures (September 2013), Standard 9 – Substation – Electrical (September 2013), Standard 12 – Painting (September 2013), Standard 13 – Environmental Quality Protection (September 2013), Standard 15 – Drawings (September 2013); Standard Drawings; and these Project Specifications and Drawings.

If a conflict occurs between the Project Specifications and the Construction Standards, the Project Specifications shall govern. The Project Specifications and the Drawings are used to take exceptions or provide additions to the Construction Standards. Some paragraphs in the Construction Standards will not apply to this job.

Western’s Construction Standards, Standard Drawings, and Electrical Equipment Standards are available at http://www.wapa.gov/business/buys.htm.

Western Project Specifications and Construction Standards are explained in Standard 1 – General Requirements, Section 1.1.1, “Standards and Project Specifications”.

B. DESCRIPTION OF WORK:

The principal components of work include: Baseline test, disassemble, repair no-voltage tap-changer, re-gasket, relocate, assemble spare transformer and all associated material from Western’s Hayden Substation to Western’s Curecanti Substation as Transformer KZ1A. The Contractor is responsible for obtaining all permits required for transport.

Install one (1) circuit breaker, four (4) disconnect switches, two (2) bays of 115-kV bus, one (1) bay of 230-kV bus, one (1) bay of 13.8-kV bus, structures, and associated electrical equipment; remove four (4) single-phase transformers, two (2) disconnect switches, one (1) bay of 115-kV bus, one (1) bay of 230-kV bus, associated structures and associated electrical equipment.

Paragraphs “Description of Bidding Schedule Items” in Divisions – 1, 2, 3, 4, 9, and 13 describe the work to be performed.

The work is located near Montrose, Colorado as shown on Drawing CCI 0015.

The spare transformer is located near Hayden, Colorado as shown on Drawing HDN 0015.

Hayden Spare Transformer in existing condition on pad at Hayden substation:

C. DESCRIPTION OF BIDDING SCHEDULE ITEM:

1. Bidding Schedule item “Mobilization and preparatory work” includes the following:

a. Performing mobilization and preparatory work in accordance with Section H of the contract clauses.

b. Prepare and submit a Construction Schedule and furnish a Safety and Health Program.

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK:

1. COMMENCEMENT AND COMPLETION: Begin work within 10-calendar days after date of receipt of Notice to Proceed, and complete all work within 240-calendar days from the date of receipt of such notice.

2. SUBMITTAL APPROVAL TIME: Except as otherwise provided for specific submittals, Western will require 20-calendar days for review of drawings or data submitted for approval.

3. COMMENCEMENT OF CONTROL WORK: Do not perform any control board or outdoor equipment wiring until receipt of Government-furnished wiring diagrams. Western will furnish outdoor wiring and schematic diagrams no sooner than March 31, 2016. Include these restrictions in the Construction Program.

4. OUTAGE RESTRICTIONS: In addition to the restrictions listed in Construction Standard 1, the following outage restrictions shall apply:

a. No concurrent main and transfer bus outages on the 230-kV and 138-kV buses.

b. Outages to both 230-kV and 115-kV buses shall take place before May 2016.

5. CONSTRUCTION SCHEDULE RESTRICTIONS: The following Construction Schedule restrictions shall apply:

a. The contractor shall not work more than 60 hours in one calendar week without prior approval from the COR.

b. After the contractor completes installation and repairs of the Hayden spare transformer at Curecanti, the contractor shall allow Western to four weeks to complete commissioning and four additional weeks of satisfactory operation prior to removing the existing KZ1A transformer.

6. MAXIMUM AVAILABLE FAULT CURRENT: When protective ground leads are required, the protective ground leads shall be sized as defined below and shall meet the requirements of Standard 1 – General Requirements, Section 1.4 “Safety and Health” and the following:

a. The maximum available fault current in the 13.8-kV area is 14,954 amps and the X/R ratio is 13.6 prior to completing construction and 19,761 amps and the X/R ratio is 22.1 after completing construction.

b. A minimum of two (2) 1/0 grounds shall be used in the 13.8-kV area.

c. The maximum available fault current in the 115-kV area is 7,448 amps and the X/R ratio is 8.1 prior to completing construction and 8,681 amps and the X/R ratio is 9.7 after completing construction

d. A minimum of one (1) 1/0 grounds shall be used in the 115-kV area.

e. The maximum available fault current in the 230-kV area is 5,731 amps and the X/R ratio is 10.1 prior to completing construction and 6,019 amps and the X/R ratio is 10.2 after completing construction.

f. A minimum of one (1) 1/0 grounds shall be used in the 230-kV area.

7. PROTECTIVE GROUND LEADS: Each protective ground lead shall have a permanent identification tag with unique identification number, certified wire size, and test date. Each protective ground lead shall be tested complete with connectors, in accordance with ASTM F 2249. Protective ground leads shall be retested and recertified annually. A protective ground lead without an identification tag to relate it to the annual certification of that protective ground lead shall not be used. No protective ground lead shall be longer than 36-feet, unless approved by the Contracting Officer’s Representative (COR). Test results shall be submitted to the COR for approval prior to use of the grounds. When using the DC test method, the Contractor shall submit testing information in the format shown below in the Personal Protective Grounds Test Report. When using the AC test method, the Contractor shall submit testing information in accordance with the test set manufacturers recommendations.

CABLE

ID

CABLE

SIZE

CABLE

CONDITION

CABLE

LENGTH

ASTM

RESISTANCE

(MΩ)

MEASURED

RESISTANCE

(MΩ)

PASS/FAIL

FT IN

Tester’s Signature

Test Temperature

Test Date

8. TYPICAL FOUNDATIONS FOR GOVERNMENT-FURNISHED ELECTRICAL EQUIPMENT:

Typical foundation is shown on Drawing CCI 2303. Western will design this foundation after receipt of the seismic report and informational drawings and data, including the seismic report from the equipment manufacturer. Western will forward the revised construction drawings for this foundation no later than 45-days prior to the “NLT” delivery date listed in the, “Material” section. If the “NLT” delivery date is adjusted by Western, forwarding of revised foundation construction drawings will be automatically adjusted in a like manner.

9. TYPICAL FOUNDATIONS FOR CONTRACTOR-FURNISHED ELECTRICAL EQUIPMENT:

Typical foundations are shown on Drawing CCI 2301. Regarding foundations noted as “design not firm”: Western will design these foundations after receipt and final approval of seismic qualification documents and informational drawings and data from the Contractor.

E. CONSTRUCTION SCHEDULE:

1. SUBMITTAL TIME: Prepare and Submit a Construction Schedule to the CO within 45-calendar days after date of Notice to Proceed.

2. FORMAT AND DETAIL: Dates for each item of Government-furnished material shall be provided. Do not program dates earlier than the estimated delivery dates shown in the “Material” paragraph.

F. MATERIAL: Furnish all material for completing the work, except material furnished by Western as listed below:

ITEM

ESTIMATED

WEIGHT

(LBS)

ESTIMATED

DELIVERY

DATE

1. One (1) 3-phase, power circuit breaker, 115-kV, 3000 amp 6,500 NST 11-02-2015

NLT 12-03-2015

2. One (1) three-phase, power transformer, 230/115-kV, 150-

MVA

403,000 Available at Hayden Substation

NST – No sooner than.

NLT – No later than.

1. POINTS-OF-DELIVERY: Material furnished by Western will be delivered to Curecanti Substation or available at Hayden Substation. For material located at Hayden Substation, the Contractor shall load, transport, and unload the material to the jobsite. The Contractor shall inspect the equipment and report any damages to the COR.

G. RIGHTS-OF-WAY:

1. GENERAL: Orient construction methods and equipment to utilize Government-furnished rights-of-way, or obtain additional temporary access without additional cost to Western. Any additional temporary access acquired by the Contractor shall have prior COR approval. During the contract period, Western reserves the right to use Contractor-obtained access.

H. GEOLOGIC INVESTIGATION:

Geologic logs of subsurface explorations included in the “Drawings” Division constitute the information and records of geologic investigations for the work. Locations of subsurface investigations are shown on the Drawings.

Samples and cores of recovered material were not retained. Bidders shall obtain their own samples and perform tests on the material to evaluate properties, which they believe to be significant.

Western does not guarantee that the geologic information and records show the conditions that will be encountered in performing the work, but only that the geologic information and records show conditions encountered at the particular point and time the information and records were obtained.

The geologic information may not indicate variations, such as those caused by seasonal fluctuations in rainfall and other factors, which may affect the water level. The Contractor shall determine the nature of material to be excavated, the difficulties of making and maintaining required excavations, and doing other work affected by geology and ground water elevations at the worksite.

I. ELECTRIC POWER FOR CONSTRUCTION PURPOSES:

Electric power up to a maximum of approximately 25-kVA for construction purposes will be available without cost. Source of supply is located in the receptacles throughout the substation. The Contractor may furnish power for his operations by other means. Power made available by Western will be delivered as single-phase, 60 Hz, AC, at approximately 120-240 V. Negotiate with the COR for establishing electric power service.

J. WATER FOR CONSTRUCTION PURPOSES:

Furnish water for construction purposes. Make arrangements for obtaining the water, and provide for conveying the water to the points of use.

K. EXPLOSIVES AND BLASTING:

Explosives shall not be used.

L. SUBMITTALS:

1. GENERAL: The Contractor shall furnish submittals via email as specified in the Construction Standards and this Project Specification. Submittals via email shall be in standard PDF or Electronic CAD “*.dwg” (AutoCAD 2010) formats All submittals shall include the Western contract number (DE-WA000857), Western project title, and Bidding Schedule Contract Line Item Number (CLIN) and applicable division number. Multiple CLIN’s on a single submittal are not permitted. A cover transmittal letter in Microsoft Word or PDF format shall be included with each email. Email submittals shall be delivered to: RMR-J5600-CS@wapa.gov.

2. SUBMITTAL RESPONSE: Western will return all submittals electronically with an “Approved” or “Not Approved” status with comments as appropriate to the email address where the submittal originated.

3. APPROVAL TIME: Approval time for submittals shall be in accordance with the

“Commencement, Prosecution, and Completion of Work” paragraph.

DIVISION 2 – SITEWORK

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Miscellaneous sitework” includes the following:

a. Replacing and protecting existing gravel surfacing.

b. Providing a soil-applied herbicide where gravel surfacing is placed.

2. Bidding Schedule item “Oil detention basin” includes providing materials, earthwork and installation of oil detention basin as shown on Drawings CCI 2101 and CCI 2102.

a. Materials:

(1) Polyvinyl Liner: Provide 40-ounce polyvinyl liner equivalent to CIAgent Solutions, 11760 Commonwealth Dr. Louisville, Kentucky. (866) 242-4368, www.ciagent.com.

(2) Hydrocarbon Filtration Barrier: Equivalent to CIAgent Solutions at the above information. Area of hydrocarbon filtration barrier required shall be per the manufacturer’s recommendations.

(3) Fasteners: Hilti or Ramset expansion anchors with washers.

(4) Gravel and Fill: Pea gravel under the liner and rock fill in the area surrounding the containment system shall be per the manufacturer’s recommendations.

b. Bid item includes earthwork, excavation and compaction required for installation of the oil detention basin.

c. Installation Contractor: The polyvinyl liner installation contractor shall be a manufacturer approved installer. Installation shall be in accordance with the manufacturer’s instructions.

d. Surface Preparation: Prior to installation, surfaces shall be level and free of all projections liable to damage the liner including sticks, roots, and other sharp objects.

e. Repair or Patching of Polyvinyl Liner: Where liner is installed around conduit, foundations, etc., fasten, repair, patch, or seal in accordance with manufacturer’s instructions. Fasten liner to concrete foundations as shown on Drawing CCI 2102.

f. Oil containment design shall be submitted for approval.

g. Existing 6” PVC oil containment drain pipe goes through this area but depth is unknown.

Pipe needs to remain intact and functional if encountered.

3. Bidding Schedule item “Demolition” includes the following:

a. Removing and disposing of oil containment system designated on Existing Installation Drawings CCI 2046 and CCI 2003.

b. Completely removing concrete foundations designated on Existing Installation Drawings

CCI 2039, CCI 2040, CCI 2003, and CCI 2046.

c. Removing and disposing of the following support structures:

(1) One (1) bus frame (CCI 2031) located on Foundations BF2 on Existing Installation Drawing CCI 2040.

(2) One (1) bus pole (CCI 2031) located on Foundation BP2 on Existing Installation Drawing CCI 2040.

(3) Two (2) bus poles (CCI 2031) located on Foundations BP5 on Existing Installation

Drawings CCI 2003 and CCI 2046.

(4) One (1) bus pole (CCI 2044) located on Foundation 4BP7 on Existing Installation Drawings CCI 2003 and CCI 2046.

(5) Two (2) bus poles (CCI 2031) located on Foundations BP1 on Existing Installation

Drawing CCI 2003.

(6) Three (3) bus poles (CCI 2044) located on Foundations 4BP8 on Existing Installation Drawings CCI 2003 and CCI 2046.

(7) One (1) bus structure (CCI 2013 and CCI 2014) located on Foundations BS1 on

Existing Installation Drawings CCI 2003 and CCI 2046.

(8) One (1) 115-kV switch support (CCI 2027) located on Foundations SS4 on Existing

(9) One (1) 230-kV switch support (CCI 2028) located on Foundations SS2 on Existing

(10) One (1) transformer structure (CCI 2015, CCI 2017, and CCI 2018) located on Foundations TS1 on Existing Installation Drawings CCI 2003 and CCI 2046.

(11) Two (2) transformer poles (CCI 2043) located on Foundations 4TP1 on Existing

(12) One (1) ground mast (drawing does not exist) located on Foundation (A) GWM1 on Existing Installation Drawing CCI 2003.

4. Bidding Schedule does not contain separate items for the following. Include these items in applicable Bidding Schedule items.

a. Excavations for foundations, structures, and trenches.

b. Placing and compacting earth material and backfill.

c. Providing gravelfills under concrete foundations as shown on the Drawings.

d. Expansion anchors and adhesive anchors.

e. Material from excavations not suitable or required for earthwork shall be removed from the substation and access road right-of-way. The Contractor shall make arrangements required for disposal of waste material in an approved landfill.

DIVISION 3 – CONCRETE

A. GENERAL:

1. MATERIAL:

a. Cement: Type IIA cement.

b. Compressive Strength: 4000 psi at 28-days for substation concrete.

c. Water-Cement Ratio: Net water-cement ratio, exclusive of water absorbed by the aggregates, shall not exceed 0.45 by weight.

d. Type A and D water-reducing and retarding admixtures may be used if approved by the

COR.

2. TEST FOR POTENTIAL REACTIVITY OF SAND AND COARSE AGGREGATE: Perform test for each source used.

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Concrete foundations” includes the following:

a. Earthwork, formwork, reinforcement, material used in concrete, void forming material, anchor bolts, curing, finishing, joints, and other related work and material needed to complete the concrete construction.

b. Concrete foundations for steel structures.

c. Concrete foundations for electrical equipment.

d. Unwatering foundation excavations, if required.

e. Casing auger excavations, if required.

Measurement for quantities for concrete foundations will be made on the basis of concrete quantities shown on Drawing CCI 2041-2. Regardless of the concrete quantities actually placed, payment will be based on the quantities of concrete shown on the Drawing.

DIVISION 4 – SUBSTATION METALWORK

A. GENERAL:

1. MEASUREMENT: Measurement for quantities for Bidding Schedule items “Steel structures, welded (galvanized)” will be made on the basis of weights calculated in accordance with LRFD, “AISC Code of Standard Practice for Steel Buildings and Bridges”, except that weights for nonrectangular shapes and plates are to be based on actual detailed dimensions.

a. Steel structure weights, calculated as noted above, shall be shown on the

Contractor-furnished final shop drawings, and payment will be based thereon. Steel estimated weights are shown on the specifications drawings for the structures requiring approval drawings as noted in the Bidding Schedule items “Steel structures, welded (galvanized)” and “Modifying steel structures”.

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Steel structures, welded (galvanized)” includes providing the following:

a. Two (2) 230-kV bus towers – Type IV.

b. One (1) 115-kV bus tower – Type IV.

c. One (1) bus frame – Type IV.

d. Seven (7) bus poles – Type IX.

e. Four (4) bus poles – Type X.

f. One (1) Tee pole – Type I.

g. Four (4) single-switch operating platforms – Type I.

h. One (1) double-switch operating platform – Type II.

i. One (1) equipment cabinet platforms – Type V.

j. One (1) ground mast – Type I.

All structures requiring approval drawings.

The above material including connection bolts, nuts, washers, and lock nuts shall be galvanized.

2. Bidding Schedule item "Modifying steel structures" includes performing the following:

a. Modifying One (1) 115-kV bus tower as shown on drawings CCI 2021-1, CCI 2021-2 and

CCI 2021-3. It is located on foundation BT5 approximately 100 feet north of new foundation (TR) BT2 as shown on drawing CCI 2003-2.

Structure requires approval drawings.

The above material including connection bolts, anchor bolts, nuts, washers, lock nuts shall be galvanized.

DIVISION 9 – SUBSTATION – ELECTRICAL

A. GENERAL: Electrical equipment and material shall be as specified in Western’s “WAPA ES”

Standard Equipment Specifications, as shown on project drawings, and in accordance with NEMA, ANSI, IEEE, ICEA, ASTM, NEC, NESC, UL, and Federal specifications and standards as applicable.

Applicable requirements shall be met under the following service conditions:

Ambient Temperatures:

Maximum ........................................................................................... +40°C Maximum 24-Hour Average .............................................................. +30°C Minimum ............................................................................................. -50°C

Elevation:

Above Mean Sea Level .............................................................. 7,000-Feet

*ASCE-7 Wind Load:

Minimum Basic Wind Speed .......................................................... 90 MPH Importance Factor ................................................................................ 1.15

*IEEE Seismic Qualification .................................................................... Moderate

*Wind and seismic loads are nonsimultaneous.

1. Bidding Schedule for Government-furnished items (including associated supporting structures when furnished) require the Contractor to provide:

a. Unless otherwise indicated, unloading and inspecting Government-furnished items.

b. Installing Government-furnished items as shown on drawings.

c. Furnishing equipment and material not furnished by Western.

2. Bidding Schedule for items (not furnished by the Government) shall be furnished by the

Contractor and shall include the following:

a. Providing (furnishing and installing) bidding schedule items.

b. Furnishing equipment and material not furnished by Western.

c. Installing bidding schedule items as shown on drawings.

3. SEISMIC QUALIFICATION REQUIREMENTS:

a. IEEE Std. 693-2005 Seismic Qualification Level: Moderate.

Specified equipment shall be qualified according to the requirements of IEEE Std.

693-2005 and shall meet the requirements of the seismic qualification level indicated above; refer to IEEE Std. 693 2005, Figure 1 – Using this recommended practice. Seismic qualification documents, including project-specific seismic outline Drawings, shall be provided to the Government for technical evaluation and acceptance. Foundation designs will not be provided for construction until the technical evaluation is complete and all documents have been accepted.

For equipment being qualified with support structures, the specified equipment and associated structures shall be qualified as a system (defined as the equipment mounted on the structure). For this case, the support structure shall exactly match the structure that is the subject of the seismic qualification documents.

IEEE Std. 693 2005 includes required provisions for equipment being qualified without support structures.

4. Unless otherwise specified, associated support structures provided for each electrical equipment rated above 7-kV shall be 102-inches in height and hot-dip galvanized, if made of steel. Instrument transformers that are seismically qualified shall be 96-inches in height. If tubular steel supports are furnished, they shall be galvanized internally and externally.

5. Installation and painting of electrical equipment and material shall be provided in accordance with Standards 9 and 12 respectively.

B. DECSRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Power transformer, 230/115-kV, 150 MVA, three-phase (Government-furnished)”:

DESIGNATION KZ1A

Manufacturer HITACHI

Voltage Rating (kV) 230/138/115 – 13.8

Rating (MVA) 90/120/150 – 45/60/75

Oil (gallons) 12,900

Total Weight (including oil) (LBS) 403,000

a. General:

(1) The Contractor shall be responsible for going to Hayden Substation (HDN) to perform initial inspection including baseline and predisassembly testing of the Hitachi transformer. In preparation for moving the transformer, the Contractor shall install two (2) impact recorders and disassemble the transformer as necessary, including the removal and storage of insulating oil. Hayden Substation is located near Hayden, Colorado as shown on Drawing HDN 0015.

(2) The Contractor shall package and protect, then transport all components including the insulating oil and spare parts to Curecanti Substation (CCI). Curecanti Substation is located near Montrose, Colorado as shown on Drawing CCI 0015.

(3) The Contractor shall analyze and report the results of the impact recorder to the

Western COR. The Contractor shall either confirm that no damage to the transformer occurred after receipt of the equipment at CCI or the Contractor will provide a detailed report of the damage sustained during transportation. The Contractor shall then reassemble the transformer as required, process the transformer oil as needed and perform a post-assembly baseline test to compare to the initial baseline test and determine no damage has occurred.

(4) The Contractor shall provide all personnel, including manufacturer certified erecting engineer, all equipment including cranes, rigging equipment, tractor trailers, truck transport, oil processing, test equipment, make railroad transport agreements, highway and road certificates as required, and all other material, equipment, or personnel as needed to complete the work.

(5) The Contractor shall be responsible for any and all damage of the transformer as a result of disassembly, loading, transporting, unloading, and reassembly. The

(6) Contractor shall be responsible for all permits, fees, and route selection for this move. The transformer shall not be tilted from level in any direction more than 15 degrees. Any road improvements, grading, etc. required to safely transport the transformer shall be the responsibility of the contractor.

(7) The Contractor shall provide a manufacturer certified, English speaking, erecting engineer for all disassembly, transport and reassembly of the transformer.

b. Predisassembly Testing of the Transformer: The following tests shall be made by the Contractor prior to disassembly and removal of oil from the transformer and will be used as a baseline to determine if any damage occurs to the transformer or accessories during shipment:

(1) SFRA Test: Utilizing the Doble SFRA M-5100/M-5200 test equipment, duplicate measurements shall be made on each of the transformer windings and these results shall be compared to those values measured prior to the transformer being shipped.

A paper copy of the SFRA traces and a CD with the data in Doble file format shall be submitted for review and acceptance by Western. The Contractor shall notify the COR 2-weeks prior to completing this test.

(2) Doble Testing utilizing an M4K Test Set:

(a) Overall Power Factor Tests: Use a Doble M4000 Insulation Power Factor tester only. Results shall be downloaded directly from the M4000 in .xml format and given to the Western representative. A hardcopy of the results shall also be provided.

(b) Excitation Tests (Duplicating the final factory tests or most recent test prior to shipping):

1) Duplicate the final factory tests or most recent testing prior to shipping.

(c) Bushing Tests (On all liquid filled bushings):

1) C1 and C2 Measurements.

(3) Insulating Oil Testing:

(a) Sufficient samples shall be taken from the main tank.

(b) All oil tests to utilize WESTERNs “Independent Laboratory”, as specified in the “Site Specific Requirements”, to obtain, sample bottles(s) and syringe(s).

1) All oil samples of sufficient quantity shall be taken from the transformer with the following “oil quality” tests made on the sample.

TEST LIMIT STANDARD

Dielectric Break Down Strength => 30 ASTM D 877

Water ppm <= 20 ASTM D 1533

Visual Clear ASTM D 1524

Sediment

Color <= 3 ASTM D 1500 Acidity <0.2 ASTM D 974

TEST LIMIT STANDARD

Specific Gravity 0.86-0.91 ASTM D 1298

Refractive Index 1.479-1.495 ASTM D 1807

Viscosity <12 ASTM D 445

IFT >30 ASTM D 971

Power Factor ASTM D 924

@ 25⁰C <=0.15

@ 100⁰C <=1.5

2) An oil sample taken with a syringe shall be taken from the transformer with the following “dissolved gas” analysis made on the sample.

TEST

Hydrogen (H2)

Oxygen (O2)

Nitrogen (N2)

Methane (CH4)

Carbon Monoxide (CO)

Carbon Dioxide (CO2)

Ethylene (C2H4)

Ethane (C2H6)

Acetylene (C2H2)

Total Combustible Gases

Total Gas (%V/V)

3) Oil Test for Corrosive Sulfur: (a) For transformers shipped with insulating oil, the factory shall perform a test in accordance with ASTM D 1275 (B) for corrosive sulfur and the test result shall be included in the final factory test report. (b) For transformers shipped without insulating oil, the final field oil tests shall include a test in accordance with ASTM D 1275 (B) for corrosive sulfur and the test result shall be included in the final field test report.

(c) All tests are to be conducted by WESTERN’s independent laboratory with a written test report of the test results submitted.

(d) Oil sample to be sent to a qualified test laboratory (Oil quality and Dissolved Gas Analysis (DGA) testing).

(4) Provide a formal written report of predisassembly test results to the COR.

c. Transformer Disassembly: The work shall be accomplished under the supervision of a manufacturer certified erecting engineer and shall include the following:

(1) The Contractor shall inspect transformer and furnish report of findings to the COR.

(2) The Contractor shall drain the oil from the transformer, radiators and conservator into Contractor provided oil storage for reuse.

(3) The Contractor shall inspect and repair the voltage tap changer.

(a) The high voltage tap changer is stuck. Further investigation is needed. The

Contractor is responsible for inspecting and repairing the tap changer under supervision of a manufacturer certified erecting engineer.

(4) The Contractor shall remove radiators and associated mounting accessories.

(5) The Contractor shall follow Hitachi publications T-9199, Final Oil Filling and

Treatment as a minimum for evacuating and oil filling the transformer. Reference Exhibit No. 1.

(6) The Contractor shall remove bushings, arresters and radiators.

(7) The Contractor shall remove conservators and all other accessories as needed for transport.

(8) All conduits, piping, and accessories normally removed from a transformer for shipment shall be removed from this unit by the contractor.

(9) The Contractor shall box and crate the disassembled parts.

(10) Prior to sealing the transformer perform:

(a) Core Insulation Resistance Tests: Measure the insulation resistance values utilizing 1000 VDC for 1-minute.

1) Main core ground.

2) Auxiliary core ground(s).

3) Compare field measurements to factory final test values. Minimum Acceptable Value: 1000 meg ohms.

(11) The Contractor shall seal radiators, pumps and oil piping to prevent moisture and dust ingress.

(12) The Contractor shall pressurize the transformer, radiators and conservator with approximately 3 pounds of dry air for shipment. Once the transformer is filled with dry air a pressure test is required. The transformer must maintain a positive pressure of 3 pounds for a minimum of 24-hours.

(13) The transformer control cabinet, if not removed for shipment, shall be padlocked by the Contractor once the transformer is disassembled and ready for moving.

d. Transport of Transformer Oil and Transformer Components: The work shall be accomplished under the supervision of a manufacturer certified erecting engineer and shall include the following:

(1) The Contractor shall transport transformer oil from HDN to CCI in Colorado. The oil in the transformer at HDN has been recently tested at less than 1 part per million (ppm) polychlorinated biphenyl (PCB). To ensure that no PCB contamination is introduced during transport, the Contractor will provide the COR, prior to transport, PCB test result indicating that the tank used to transport the transformer oil are all PCB free.

(2) The Contractor shall install two (2) fully functional impact recorders on the transformer. The recorders shall be installed before moving the transformer. Both of the impact recorders shall be two-way recorders, recording vertical and horizontal displacement of the transformer. The Contractor will provide recorder data for the entire loading, transportation, and unloading operation. The Contractor shall analyze the results of the impact recorders and prepare a certified report. The report will be submitted to the COR within 10-days of off-loading the transformer at CCI.

(3) The Contractor shall load and transport the transformer from HDN to CCI. If transported by rail-car, the rail-car specifications shall be provided for approval. The rail-car shall be specifically designed for transformer transport.

(4) The Contractor shall transport the transformer accessories, including spare parts from HDN to CCI. Spare parts furnished with the transformer may include but not be limited to the following:

(a) One (1) 230-kV bushing.

(b) One (1) 138-kV bushing.

(c) Two (2) 15-kV bushings.

(d) One (1) 15-kV neutral bushing.

(e) One (1) spare radiator fan and motor.

(f) One (1) conservator bladder.

(5) Prior to off-loading the transformer perform:

(a) Core Insulation Resistance Tests: Measure the insulation resistance values utilizing 1000 VDC for 1-minute.

1) Main core ground.

2) Auxiliary core ground(s).

3) Compare field measurements to factory final test values or most recent values prior to shipment. Minimum Acceptable Value: 1000 meg ohms

(6) The Contractor shall offload the transformer at CCI.

e. Reassembly of the Transformer: The Contractor shall install the transformer in accordance with the equipment manufacturer’s instruction books. The work shall be accomplished under the supervision of a manufacturer certified erecting engineer and include the following:

(1) The Contractor shall set the transformer from HDN on the new foundation at CCI and align as directed by Western COR.

(2) The Contractor shall mount all bushing turrets and reconnect current transformer wiring.

(3) The Contractor shall provide and install new gaskets and conservator bladder using

Hitachi publications T-9196, T-9197, and T-8166 as a minimum. Reference Exhibit No. 1.

(4) The Contractor shall hang and brace radiator headers and associated radiators.

(5) The Contractor shall provide and install new 230-kV, 115-kV, and 13.8-kV surge arrestors.

(6) The Contractor shall mount miscellaneous items removed for shipment.

(7) The Contractor shall clean the transformer.

(8) The Contractor shall place all spare parts in the locations directed by the COR.

(9) The Contractor shall supply and install all primary conductors and high voltage terminations.

(10) The Contractor shall connect the transformer for 230-kV/115-kV operation.

(11) The Contractor, upon assembly, shall fill the transformer with 3 PSI dry air followed by a pressure test. The transformer must maintain a positive pressure of 3 PSI for a minimum of 24-hours.

f. Oil Filling of Transformer: The work shall be completed in accordance with the oil purification instruction book and shall be accomplished under the guidance of Western’s COR and include the following:

(1) The Contractor shall follow the original filling procedures, reference Exhibit No. 1.

(2) The Contractor shall establish a dew point.

(3) The Contractor shall apply vacuum for at least 36-hours.

(4) The Contractor shall vacuum fill in accordance with manufacture specifications

(Oil temperature to be no less than 50 degrees Celsius).

(5) The Contractor shall provide oil processing and vacuum filling equipment as required.

(6) The Contractor shall provide any additional insulation oil that may be required.

(7) The Contractor shall follow Hitachi publications T-9199, Final Oil Filling and

Treatment as a minimum for evacuating and oil filling the transformer.

(8) The Contractor shall be responsible for repairing any leaks. Repairs will be directed by a manufacturer certified erecting engineer.

g. Post Assembly Transformer Testing: The work shall be accomplished under the supervision of a manufacture certified erecting engineer and include the following tests and data:

(1) The following tests shall be made by the Contractor after the transformer has been completely assembled and oil filled.

(a) SFRA Test: Utilizing the Doble SFRA M-5100/M-5200 test equipment, duplicate measurements shall be made on each of the transformer windings and these results shall be compared to those values measured prior to the transformer being shipped. A paper copy of the SFRA traces and a CD with the data in Doble file format shall be submitted for review and acceptance by Western. These SFRA tests shall compare to the predisassembly SFRA test results. The Contractor shall ensure that this SFRA test is complete with the same tap changer position as the predisassembly SFRA test.

(b) Short Circuit Impedance: Perform a short circuit impedance test using the

Doble M4100 and M4110. Test values should be within +/- 3 percent of nameplate. In addition to the test report, a CD with the data in Doble file format shall be submitted for review.

(c) Turns Ratio Testing (TTR):

1) All taps of the transformer that is listed on the final factory test report are to be tested and compared to factory and previous test results.

2) Perform test on all transformer taps positions.

(d) Winding Resistance Measurements: Duplicate resistance measurements of each winding tested during the final factory testing or most recent test reports prior to shipping are to be measured for comparison purposes:

1) Compare measurements between the different phases.

2) Compare measurements to the factory test report, (utilizing the standard temperature correction factors).

(2) Doble Testing utilizing an M4K Test Set:

(a) Overall Power Factor Tests: Use a Doble M4000 Insulation Power Factor tester only. Results shall be downloaded directly from the M4000 in .xml format and given to the WAPA representative. A hardcopy of the results shall also be provided.

(b) Excitation Tests (Duplicating the final factory tests or most recent test prior to shipping):

1) Duplicate the final factory tests or most recent testing prior to shipping.

2) Provide testing on all transformer tap positions.

(c) Bushing Tests (On all liquid filled bushings):

1) C1 and C2 Measurements.

(d) Surge Arrester Tests.

(3) Insulation Resistance Tests:

(a) Measure the insulation resistance values utilizing 2500 VDC for 1-minute:

1) HV to other windings plus ground.

2) LV to other windings plus ground.

3) TV, if present, to other windings plus ground.

4) All windings to ground.

(4) Insulating Oil Testing:

(a) Sufficient samples shall be taken from the main tank.

(b) All oil tests to utilize WESTERNs “Independent Laboratory”, as specified in the “Site Specific Requirements”, to obtain, sample bottles(s) and syringe(s).

1) All oil samples of sufficient quantity shall be taken from the transformer with the following “oil quality” tests made on the sample.

TEST LIMIT STANDARD

Dielectric Break Down Strength => 30 ASTM D 877

Water ppm <= 20 ASTM D 1533

Visual Clear ASTM D 1524

Sediment

Color <= 3 ASTM D 1500 Acidity <0.2 ASTM D 974 Specific Gravity 0.86-0.91 ASTM D 1298

Refractive Index 1.479-1.495 ASTM D 1807

Viscosity <12 ASTM D 445

IFT >30 ASTM D 971

Power Factor ASTM D 924

@ 25⁰C <=0.15

@ 100⁰C <=1.5

2) An oil sample taken with a syringe shall be taken from the transformer with the following “dissolved gas” analysis made on the sample.

TEST

Hydrogen (H2)

Oxygen (O2)

Nitrogen (N2)

Methane (CH4)

Carbon Monoxide (CO)

Carbon Dioxide (CO2)

Ethylene (C2H4)

Ethane (C2H6)

Acetylene (C2H2)

Total Combustible Gases

Total Gas (%V/V)

3) Oil Test for Corrosive Sulfur: (a) For transformers shipped with insulating oil, the factory shall perform a test in accordance with ASTM D 1275 (B) for corrosive sulfur and the test result shall be included in the final factory test report. (b) For transformers shipped without insulating oil, the final field oil tests shall include a test in accordance with ASTM D 1275 (B) for corrosive sulfur and the test result shall be included in the final field test report.

(c) All tests are to be conducted by WESTERN’s independent laboratory with a written test report of the test results submitted.

(d) Oil sample to be sent to a qualified test laboratory (Oil quality and Dissolved Gas Analysis (DGA) testing).

(5) Bushing Current Tests (Made on “all” BCTs mounted in the transformer):

(a) Ratios (Made all five primary taps).

(b) Polarity.

(c) Plot the Saturation Curve (Minimum of 5 points, if utilizing a manual plotting method).

(d) Insulation to ground testing, utilizing 1000 VDC on all five (5) primary taps leads at the control cabinet shorting blocks.

1) Record insulation resistance values.

(6) Confirm all transformer alarm, control, protection and trip functions operate correctly. Device Check Out:

(a) Manual Contact Pickup Tests:

1) Liquid level gauge(s) contact operation to control cabinet terminal block.

2) Temperature gauge(s) contact operation to control cabinet terminal block.

3) Bucholtz relay contact operation (If present).

4) Sudden pressure relay contact operation tested per manufacturer instruction manual, including seal-in circuit in transformer control cabinet.

5) Mechanical relief device calibration and operation check.

6) Verify calibration of temperature gauges utilizing an oil bath temperature calibrator checking set points.

7) Operational check of all fans.

(7) Provide a formal written report of field test results and as a PDF format file.

h. Western will complete commissioning of the transformer.

2. Bidding Schedule item “Power circuit breaker 115-kV, 3000 amps (Government-furnished)”:

DESIGNATION JX1A

Manufacturer Mitsubishi

Model Number 100-SFMT-40HE

Type SF6 gas

Nominal Voltage Rating (kV) 115

Maximum Voltage Rating (kV) 123

Continuous Current (Amps) 3000

Estimated Weight of 3-pole Breaker (LBS) 6500

The equipment supplier will unload the power circuit breaker from the truck, and Contractor personnel shall inspect the power circuit breaker for possible damage during shipment or transportation and report any damage to Western’s COR.

a. One (1) set of special tools and appliances shipping with the breaker will include:

(1) One (1) mechanism jacking unit and one (1) SF6 gas breaker filling connection assembly (including hose, pressure gauge, and the hose end connections to the breaker and SF6 gas cylinder).

(2) Two (2) trip coils and two (2) close coils.

The Contractor shall deliver the special tools and appliances furnished with the breaker to Western’s onsite representative after the circuit breaker is installed

3. Bidding Schedule items “Disconnecting switch, 230-kV, 2000 amps”, Disconnecting switch, 115-kV, 2000 amps” and “Disconnecting switch, 15-kV, 2000 amps” includes providing the following disconnecting switches and support structures as shown on the Drawings and in accordance with WAPA ES 8.1 Equipment Standard

DESIGNATION WZ1C WX1B,

WX1A WV3A

Type

3 pole, single throw, group-operated, vertical break, rotating insulator

3 pole, single throw, group-operated, vertical break, rotating insulator

3 pole, single throw, group-operated, vertical break, rotating insulator

System Nominal Voltage Rating (kV) 230 115 15

Rated Maximum Voltage (kV) 245 123 15.5

Basic Impulse Insulation Level (kV) 1050 550 110

Continuous Current Rating (Amps) 2000 2000 2000

Momentary Current Rating (kA) 100 100 100

DESIGNATION WZ1C WX1B,

WX1A WV3A

Grounding Blades None None None

Standard Arcing Horns Yes Yes Yes

Switch Operator Type Manual Worm Gear Operator

Manual Worm Gear

Operator

Manual Worm Gear Operator

Phase Spacing (FT) 12-0 7-0 3-0

Height of Support Structure (FT) 9-6

WX1B (8-6)

WX1A

(10-6)

11-0

Mounting Position Horizontal Horizontal Horizontal

Insulator Technical Reference No. 316 286 205

Control Circuit Voltage Not Required Not Required Not Required

Auxiliary Switch Not Required Not Required Not Required

Key Interlock None None None

a. Disconnect switches and associated support structures shall be qualified to operate under service conditions specified in paragraph A General, and paragraph A.3 Seismic Qualification Requirements. Reference Standard 4 for steel requirements. Steel support structures are furnished with disconnect switches.

4. Bidding Schedule item “Coupling capacitor voltage transformer, 115-kV, single-phase” includes providing coupling capacitor voltage transformers and support structures in accordance with WAPA ES 6.3 Equipment Standard.

DESIGNATION VX1B1

Type Single-phase, outdoor, 60 Hz

Number of Units 1

Nominal System Voltage (kV) 115

Maximum System Voltage (kV) 123

Basic Impulse Level (kV) 550

Primary to Secondary Ratios 600/1000:1 600/1000:1

Performance Reference Voltage (Volts) 69,000

Output Rating (VA) 200

DESIGNATION VX1B1

Height of Support Structure

(FT) 8’-6”

ANSI Accuracy Class 1.2 W, X, M, Y, Z Relaying Accuracy

Carrier Accessories Not Required

Mounting Base

a. Coupling capacitor voltage transformers and associated support structures shall be qualified to operate under service conditions specified in paragraph A General, and paragraph A.3 Seismic Qualification Requirements. Reference Standard 4 for steel requirements. Steel support structures are furnished with disconnect switches.

5. Bidding Schedule item “Outdoor bus systems” includes providing material and services required to expand and complete the outdoor strain buses, jumper buses, rigid buses, and overhead ground wire installations. Unless otherwise specified on the Drawings, splices, elbows, pad type terminal connectors, and other fittings used on rigid or cable buses shall be compression type (DMC Power Bus and Cable Connectors and Swage System, AFL Swage system, or equal). Insulators shall use industry standard 5-inch (or 7-inch) base cap bolt circles in lieu of WAPA Standard 9.3.1.1.3.2 and Drawing 31 1081.

6. Bidding Schedule item “Associated electrical equipment and material” includes providing equipment, material, and services required to expand as necessary, and complete the following substation installations as shown on the Drawings:

a. Substation Grounding System: Complete and test the substation grounding system.

Unless otherwise specified on drawings, splices, connections, and other fittings may be compression type (DMC Power’s Swage, AFL Swage system, or equal). Due to the ongoing copper theft problems, all new exposed ground wire shall be copper clad steel.

NOTE: the included drawings and standards have not been revised to show this new requirement.

b. Electrical Conduit System: Electrical conduit system including embedded and exposed conduit. Conduit entering the cable trench with a 90 degree bend is allowed to be Schedule 40 PVC as shown on Drawing 31 1006. All other 90 degree bends shall be rigid metal. A red or yellow polyethylene warning tape shall be installed directly above each conduit run and located 12-inches below finished grade. All conduits shall have sealing compound installed at both ends. Informational drawings and data are not required for this item.

c. Insulated Conductors: Insulated conductors and cables except 5/c and 12/c No. 10 AWG control cable.

d. Lighting Units: Material for the lighting units shall include lamps, ballasts, fixture wire, fittings, mounting devices, and other accessories required to complete the installation.

Material shall conform to UL standards and to the following:

(1) For Bracket Mounting: General electric-type floodlight catalog No.

PF4S2450A1(7X6)DBL, or equal, 400-W high-pressure sodium lamp connected for operation at 240 V.

e. Phase Identification Signs (31 1000):

(1) One (1) on each phase at both ends of main and transfer buses and at each high voltage circuit terminating structure:

(a) Phase A – 4 required.

(b) Phase B – 4 required.

(c) Phase C – 4 required.

f. Equipment Identification Signs (31 1000): Sign material shall adhere to Division 13.

Lettering on the signs shall be as follows:

(1) TRANSFORMER

KZ1A

(2) TRANSFORMER KZ1A

CCI 2261

DISC SW YX1A 115KV

(3) TRANSFORMER KZ1A

CCI 2263

DISC SW WX1A 115KV

(4) TRANSFORMER KZ1A

CCI 2265

DISC SW YX1B 115KV

(5) TRANSFORMER KZ1A

CCI 363

DISC SW WX1B 115KV

(6) TRANSFORMER KZ1A

CCI 2262

PCB JX1A 115KV

(7) TRANSFORMER KZ1A

CCVT VX1B1

(8) XFMR KZ1A CCVT VX1B1

EW1B

SECONDARY FUSE

(9) TRANSFORMER KZ1A

CCI 383

DISC SW WZ1C 230KV

(10) TRANSFORMER KZ1A

CCI 323

DISC SW WV3A 13.8KV

7. Bidding Schedule item “Existing outdoor electrical equipment and material” includes removal and disposal of existing electrical equipment and material. If temporary storage is needed, refer to the COR.

a. Removal and disposal of existing electrical equipment and material shall be performed after installation and commissioning of replacement KZ1A. Remobilization costs for demolition shall be included in the Contractor’s bid.

b. Material to be removed and disposed of is as follows:

(1) Four (4) single-phase transformers (information for a single phase below)

(a) KZ1A1, KZ1A2, KZ1A3 – 5,260…