Specifications · 2019-04-22 · D. ANSI C57.12.70 Terminal Markings and Con- nections for...

Specifications For

Shermco Project 90001351 IRIS Substation

69kV/12.5kV 15 MVA Power Transformer

Mount Pleasant Municipal Utilities Mount Pleasant, Iowa

April 16th, 2019 BID ISSUE

Prepared Under Direction of: David Charles, P.E. 11126

Shermco Industries

March 2019 Shermco

NOTICE FOR QUOTATIONS

Furnishing and Delivery of a 69 KV Power Transformer For Mt. Pleasant Municipal Utilities

Mt. Pleasant, Iowa, 52641

Notice is hereby given that plans and specifications for furnishing and delivery of a Power Transformer for the Iris Substation were reviewed and approved at a regularly scheduled Utility Board Meeting held on April 16th, 2019. Sealed Bids in conformance with the project documents will be received by Mr. Jack Hedgecock, general manager of Mount Pleasant Municipal Utilities (MPU), until 2:00 p.m., May 16th, 2019, at the MPU office located at 509 North Adams Street, Mount Pleasant, Iowa 52641. A public hearing will be held and the bids will be reviewed and acted upon at a regularly scheduled Utility Board Meeting to be held on May 21, 2019. Award will follow within 90 days. BID ITEM Furnish, deliver and unload F.O.B. Mount Pleasant, Iowa, one new 15 MVA base rated 69 kV primary, 12.47 kV secondary windings Power Transformer in accordance with the attached specifications. Bids shall be provided for that purpose and according to the Bidding Requirements prepared by Shermco Industries, dated March, 2019. The bid form shall be shall be submitted on paper in a sealed envelope to the Owner and the technical proposal submitted electronically to the Owner and Engineer. Submittals must contain the information required by these instructions to be considered complete. The Project Documents may be obtained at the following location: ENGINEER: David Charles Shermco 1711 Hawkeye Drive Hiawatha Iowa 52233 (319) 377-3377 Contact: [email protected] Proposals Submitted to OWNER: Mr. Jack Hedgecock Mount Pleasant Municipal Utilities 509 North Adams St. Mount Pleasant, Iowa, 52641

March 2019 Shermco

INSTRUCTIONS TO BIDDERS: 1. Bid Form shall be directed to Mr. Jack Hedgecock, securely sealed and endorsed upon the outside wrapper, “BID FOR FURNISHING AND DELIVERING A 69KV POWER TRANSFORMER” at 509 North Adams Street, Mount Pleasant, Iowa 52641. Bids dropped off at the MPU Office will be considered if they are in the possession of Mr. Hedgecock at the close of the bidding period. Technical submittal data may be submitted electronically any time prior to the close of bids. 2. Prices shall remain valid for a period of ninety (90) days after May 16th, 2019. 3. To be considered, Bids shall be submitted with a Bid Security conforming with the latest edition of the Iowa Public Bidding rules in the amount of five (5) percent of the base bid amount. Bid should be submitted on the Bid Proposal Form provided. The form may be reconstituted if the contents are duplicated. Failure to submit the required bid security, complete or submit the Bid proposal form, or provide the required technical submittals may result in rejection of proposal. 4. Payment will be made to the Vendor in an amount of ninety-five percent (95%) of the Proposal value, upon delivery, assembly, and testing of the Switchgear at the Owner’s site. The balance of the amount due the successful bidder will be made within 30 days following the successful energization of the Transformer by the Owner, subject to the conditions and in accordance with the provisions of Chapters 384 and 573 of the Code of Iowa, no later than 180 days following delivery to site. 5. All bids shall indicate the Iowa sales tax (7% of base bid amount) as a separate line item determined from the base bid amount. 6. The Owner reserves the right to reject any and all Bids, to waive irregularities and informalities therein and to award the purchase in the best interests of the Utility. 7. Exceptions to the specifications are not acceptable. Written questions regarding the specifications may be directed to Mr. David Charles, [email protected] by e-mail at the address provided in the contact information. Please do not contact Mr. Hedgecock or any Owner representatives with questions regarding the specifications. 8. Delivery of the Power Transformer is scheduled for November, 2019.

March 2019 P-1

PROPOSAL

Furnishing and Delivery of a 69 KV Power Transformer For Mount Pleasant Municipal Utilities

Mt. Pleasant, Iowa 52641

The undersigned agrees to perform the work as specified for the prices as stated: VENDOR NAME: _______________________________________ VENDOR ADDRESS: _______________________________________ VENDOR PHONE: _______________________________________ VENDOR E-MAIL: _______________________________________ VENDOR CONTACT: _______________________________________ BASE BID LUMP SUM BID PRICE: _____________________________________________Dollars (______________) (words) (figures) Iowa Sales Taxes (7% of Base Bid Amount) ADD $_____________ Vendor discount for early payment: DEDUCT $_____________ TOTAL BID AMOUNT: $__________________ NAME (TYPED OR PRINTED): _________________________________ TITLE: _________________________________ BY: _________________________________ (Individual’s signature)

March 2019 P-2

GENERAL: Transformer Manufacturer _____________________________________ Factory Location _____________________________________ Delivery after receipt of order ______________________________(weeks) Drawings to be issued ARO Outline Drawings ______________________________(weeks) Electrical Drawings ______________________________(weeks) Transformer Information Approximate Weight _______________________________ Oil Capacity (gallons) _______________________________ Oil Capacity (pounds) _______________________________ Transformer Impedance _______________________________ Transformer Losses No Load ________________________(kW) Load at rated KVA ________________________(kW) AS PART OF THIS PROPOSAL, THE FOLLOWING ITEMS ARE TO BE SUBMITTED TO OWNER AND ENGINEER AS PDF FILES VIA EMAIL: Approximate Outline Drawing Bill of Materials Description of Painting Process General Descriptive Literature Description of Core and Coil Assembly Clarifications

SECTION 261213 MEDIUM VOLTAGE POWER TRANSFORMER

Section 261213 - Page 1 MPU 3/1/19

PART 1 PART 1 GENERAL 1.01 EQUIPMENT INCLUDED

A. Liquid-filled, substation-type power transformer with 69 kV primary windings and 12.47 kV secondary windings.

B. This specification provides the technical requirements for the design, manufacture and test of substation transformers. The service conditions shall be as specified in Usual Service Conditions section of C57.12.00.

C. Load Tap Changer and controller.

1.02 SUBMITTALS

A. Submit electronic shop drawings as PDF files. Shop drawings shall indicate:

1. Outline drawings with top, front, and side views of enclosures with overall dimensions, weights, lifting points, and supporting points.

2. Dimensional drawings with locations of bushings, transformer throats, and

throat flange drilling patterns.

3. Base plans with the center of gravity and centerlines clearly located

4. Locations of externally mounted accessories.

5. Nameplate drawings.

6. Control schematics and wiring diagrams for load tap changer, cooling fans, current transformers, and additional accessories listed below.

7. Manufacturer’s drawings for high voltage and low voltage bushings.

B. Submit product data as electronic files in PDF format. Product data shall include:

1. Bills of material listing major components and accessories including

bushings, connectors, tap changer, lightning arresters, current transformers, indicators, and gauges with manufacturer, and model number.

2. Electrical ratings of all major components.

3. Reports of routine tests.

C. Submit manufacturer’s installation instructions as electronic files in PDF format.

Instructions shall include:

1. Storage procedures and precautions.

2. Handling recommendations and precautions.



3. Examination prior to installation.

4. Assembly and installation.

5. Tests and adjustments prior to energization.

D. Submit with proposal:

1. Place of manufacture.

2. Outline drawing of proposed unit with footprint dimensions and weights.

1.03 QUALITY ASSURANCE

A. Manufacturer: Company specializing in power transformers with a minimum of twenty five (25) years' experience.

B. The manufacturer’s test floor shall have a documented calibration program. All

equipment shall receive regular calibrations. Calibration standards shall be traceable to National Bureau of Standards. Records of all equipment calibration shall be made available to the Buyer upon request.

C. Factory Tests: Perform the routine tests specified in ANSI C57.12.00 and

NETA Acceptance Testing Specifications on each transformer. Three (3) copies of records of the routine tests and of design tests on similar transformers shall be submitted to Owner. The transformer shall be assembled for testing with all equipment manufactured or purchased specifically for that particular unit. Testing with “shop” or “test floor” parts is not acceptable. If a transformer fails to pass the tests specified, additional tests shall be performed to locate the cause of failure. Owner shall be notified of any test failures prior to any remedial action being taken. After corrective action has been completed, the transformer shall be retested to prove the requirement of this specification have been met. The Owner must be notified of when the tests will take place and reserves the right to observe the testing or have a designated appointee observe the testing.

1. Resistance measurements of all windings on the rated voltage connection of

each unit and at the tap extremes of one unit only of a given rating on an order.

2. Ratio tests on the rated voltage connection and on all tap connections.

3. Polarity and phase-relation tests on the rated voltage connections.

4. No-load loss and excitation current at rated voltage on the rated voltage

connection.

5. Impedance and load loss at rated current on the rated voltage connection of each unit and on the tap extremes of one unit only of a given rating on an order.



6. Applied potential tests

7. Induced potential tests

8. Mechanical leak test on tank and coolers.

9. Insulation resistance test (Megger)

10. Insulation power factor test

11. Acoustical sound test (NEMA TR1)

D. Shipping: The transformer may be shipped less oil, bushings, arresters,

radiators, and fans for assembly on site by the vendor. Cost of assembly and filling the transformer with oil is to be included. All shipping costs are to be included in the proposal base bid to deliver the transformer and all accessories to the Owner’s site located at 600 South Iris Street near the intersection of East Washington Street and Iris Street on the East side of Mount Pleasant, Iowa, 52641. The transformer shall be provided with two (2) 30-day impact recorders showing lateral, longitudinal, and vertical shocks. The calibration data for these recorders shall be provided to Owner. The charts from these recorders shall be inspected by Vendor’s representative before the recorders are removed and the interpretation presented to the Owner prior to unloading the transformer on site. The charts from these recorders shall be kept by the Owner with copies provided to the manufacturer upon request. The Vendor shall provide means for Owner to return recorders to manufacturer.

It shall be the responsibility of the manufacturer to coordinate the shipment with

Owner so that a 48 hour notice, excluding weekends and holidays, is given to the Owner to arrange for unloading at the site. Shipment shall arrive at destination only on working days (not Saturday, Sunday or holidays) and in the morning to assure unloading on the arrival day. All parts and accessories shall arrive at the Owner’s designated location and at the same time. Owner shall provide arrangements for unloading and setting the transformer based on information provided in the shop drawing submittals.

1.04 REFERENCES

A. ANSI/IEEE C57.12.00 - General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers.

B. ANSI C57.12.10 - Safety Requirements for Transformers 230,000 Volts and

below, 750/862 through 60,000/80,000/100,000 KVA, Three-phase Without Load Tap Changing.

C. ANSI C57.12.27 - Conformance Requirements for Liquid-filled Distribution

Transformers Used in Pad-mounted Installations, Including Unit Substations.

D. ANSI C57.12.70 - Terminal Markings and Connections for Distribution and Power.



E. ANSI/IEEE C57.12.80 - Standard Terminology for Power and Distribution

Transformers.

F. ANSI/IEEE C57.12.90 - Test Code for Liquid-Immersed Distribution Power and Regulating Transformers.

G. ANSI/IEEE C57.13 - Requirements for Instrument Transformers.

H. ANSI/IEEE C57.13.3 - Guide for the Grounding of Instrument Transformer

Secondary Circuits and Cases.

I. ANSI/IEEE C57.109 - Guide for Transformer Through-fault-current Duration.

J. ASTM D877 - Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using Disk Electrodes.

K. ANSI/NFPA 70 - National Electrical Code

L. ANSI Z55.1 - Gray Finishes for Industrial Apparatus and Equipment

M. NESC - National Electric Safety Code N. NEMA TR1 – audible sound limits

1.05 OPERATION AND MAINTENANCE DATA

A. Submit operation and maintenance data as electronic files in PDF format.

B. Include procedures for sampling and maintaining fluid, cleaning unit, and replacing components.

PART 2 PRODUCTS 2.01 POWER TRANSFORMERS

A. Class I Power Transformers: As defined in ANSI C57.12.00.

B. Cooling Class: ONAN/ONAF/ONFA

C. Phases: Three (3).

D. Frequency: 60 Hertz.

E. Continuous Capacity:

ONAN: 15 MVA @ 55 Degrees C. ONAF1: 20 MVA @ 55 Degrees C. ONAF2: 25 MVA @ 55 Degrees C. RATED PRIMARY CURRENT ONAF2 55 Degrees C: 209.2 Amps RATED SECONDARY CURRENT ONAF2 55 Degrees C: 1157.5 Amps



F. Temperature Rise: 55/65 degrees C average winding temperature rise above ambient.

G. Primary Voltage: 69,000 Volt, delta-connected

Basic Impulse Level (BIL): 350 KV @ 69,000 Volt rating

H. Secondary Voltage: 12,470 Volt, Wye-connected. Basic Impulse Level (BIL): 110 KV

I. De-Energized Tap Changer: Full capacity taps suitable for regulating the primary voltage terminals in two (2) 2-1/2% steps above and two (2) 2-1/2% steps below 69,000 volts. These are standard primary taps as listed in ANSI C57.12.10. Provide external operating handle. Rated 400 amp, 450kV BIL.

J. Impedance: Nominal 7%. Provide a guaranteed value determined by

measurement. K. Losses: Provide guaranteed no load loss watts at 100% rated voltage and full

load loss watts. Transformer losses will be evaluated at $0.06 per KWHR, for a twenty year period, assuming power cost increase at 2.5% per year to make a simple comparison.

L. Liquid Preservation System: Sealed tank with nitrogen blanket. Provide

nitrogen blanket pressure control system to maintain a positive pressure nitrogen atmosphere in the gas space of the transformer.

M. Liquid: Mineral Oil. Cooling fluid shall contain NO PCB’s.

N. Winding characteristics:

1. All windings and internal connections shall be copper. 2. Windings shall be cylindrical construction type. 3. Conductor insulation shall be thermally upgraded insulating paper. 4. Primary voltage windings shall be continuous wound disk type, Secondary

voltage windings shall be helical style. 5. The transformer shall be designed and constructed to be completely self

protected by its ability to withstand the external short-circuits, as defined by ANSI C57. 12.00.

6. The transformer design shall be capable of operating above rated voltage or below rated frequency in accordance with ANSI C57.12.00.

O. Sound Level 1. The transformer and auxiliary cooling equipment shall be designed and

constructed to minimize the audible noise generated with the transformer energized at rated voltage and with all auxiliary cooling equipment in operation. The acceptable noise level shall be in accordance with NEMA standard TR 1. The measurement procedure shall be as specified in ANSI C57.12.90.

P. Bushings



1. High voltage and low voltage bushings shall be furnished with the appropriate ratings as required.

2. The primary bushings shall be top mounted and provide a spade type termination for landing NEMA two hole lugs.

3. The secondary bushings shall be side mounted in a totally enclosed Air Terminal Chamber providing adequate room for cable terminations and mounting arresters. Provide sufficient bus to terminate four 500 kCmil 15kV copper conductor power cables per phase with NEMA two hole lugs.

Q. Core 1. The core shall be circular type construction, clamped and braced to resist

distortion caused by short-circuit stresses within rating or transportation handling and to prevent the shifting of core laminations.

2. The core shall be constructed of high-grade, grain oriented, silicon steel laminations, with high magnetic permeability. Core construction shall include step-lap mitered joints to keep core losses, excitation current and noise level at a minimum.

R. Tank Design

1. The transformer tank, cooling equipment and compartments subject to pressures shall be designed to withstand, without permanent deformation, pressures of at least twenty-five percent greater than maximum operating pressures. The maximum design withstand pressure shall be indicated on the nameplate.

2. Tank design shall include sufficient expansion volume to allow operation under specified load conditions.

3. One or more handholes shall be provided in the tank cover for access to bushing connections and current transformers, when required. The opening shall be of sufficient size to allow removal of any CT.

4. The transformer base shall be suitable for rolling or skidding in the direction of either tank base centerline.

5. The base shall be designed so the center of gravity of the transformer as assembled for transport does not fall outside the base for a tilt of fifteen degrees.

6. Lifting lugs shall be provided at each corner of the tank. The lifting lugs shall be designed to provide a minimum safety factor of 5.

7. Jacking area, pads or bosses shall be provided. 8. Pulling provisions, for towing the transformer parallel to either centerline,

shall be provided.

S. Gaskets 1. The gaskets shall be compatible for the insulating fluid in the transformer

tank. 2. Gaskets in continuous contact with Silicone fluid shall be Viton material. 3. Metal surfaces to which gaskets are applied shall be smooth, and shall have

sufficient rigidity to assure proper compression of the gaskets.

T. Cooling System 1. The transformer shall be self-cooled.



2. Cooling tubes or radiators shall be rigidly supported to the tank wall, either through pipes or brackets.

U. Grounding Provisions

1. All non-energized metallic components of the transformer shall be grounded. 2. Tank grounding provisions shall consist of two ground pads, welded to the

base or to the tank wall near the base. 3. A copper-faced or stainless steel ground pad with two holes spaced

horizontally at 1.75-inch centers and tapped for 0.5 inch 13-UNC tread shall be provided.

V. Nameplates

1. Transformer shall be furnished with a non-corrosive diagrammatic nameplate, permanently attached with non-corrosive hardware. The diagrammatic nameplate shall include the name of the manufacturer of the equipment as well as the location where the transformer was manufactured and tested. In addition, the transformer manufacturer and location of manufacture is to be supplied at the time of quotation.

2. The nameplate shall contain all connection and rating information in accordance with ANSI C57.12.00 nameplate C, plus the approximate weight of parts to be lifted for un-tanking, type and quantity of oil, and the date of manufacture.

3. Nameplate shall state less than 1 part per million PCBs.

W. Exterior Finish 1. The transformer painting system shall be the Vendor’s standard. The

transformer shall be thoroughly cleaned and phosphortized, paint with at least one corrosion inhibiting primer and one finish coat to provide a minimum total dry-film thickness of not less than 3 mils.

2. The finish shall be ANSI 61.

X. Secondary Terminations: Spade-type terminals for 15 KV power cables terminations.

Y. Accessories: As specified in ANSI C57.12.10. In addition, all gauges and

indicators shall be mounted between a minimum height of 60 inches and a maximum height of 72 inches.

1. Reinhausen Manufacturing Type RMV-II-2500, rated 1500 amps, vacuum

type auto load tap changer with provision for local and remote operation capability. Remote control shall be a Beckwith Electric Model M-2001C Digital Tapchanger Controller provided with the load tap changer. The auto load tap changer shall be provided with the following features:

a. Stored energy drive system b. Silver plated copper contacts replaceable as a single unit c. Rated 500,000 operations with a proven failure rate of less than

0.1% d. Load Tap changer to provide plus/minus 10 percent voltage

regulation with one neutral tap and an equal number of raised and lowered taps rated 5/8 percent each

e. Selector switches for Auto/Manual operation and Local/Remote operation. Connect to SEL 2414 for remote operation.

f. Beckwith Electric M-2001C Digital Tap Changer Control, Base T Version, with optional Vacuum Fluorescent Display.



g. Incon 1250B Programable Position Monitor wired to synchro transmitter on tap changer to provide tap position to the SEL 2414 as a 0-1mA analog signal.

2. Bushing Current Transformers: Two sets required per IEEE C57.13.6

Metering Accuracy 200/5 current transformers on the primary bushings and two sets IEEE C57.13.6 E0.2 Accuracy multiratio 1200/5 current transformers on the secondary bushings, wye connected. Current circuits shall be wired to current shorting blocks mounted in the tap changer control cubicle.

3. Furnish and install a SEL 2414 Transformer monitor, SEL part number

241422C1C3C745X0140. Wire alarm contacts. LTC controls, and analog input signals to SEL 2414 inputs. Wire SEL 2414 outputs into the LTC controller to allow remote control of AUTO/MANUAL operation and raise/lower operation from the SEL device pushbuttons. Control power will be derived from Owner’s 48V DC control power. Wire two spare inputs, two spare outputs, and one spare analog input of each type to external connection points.

4. Provide an external 24 VDC power supply powered from the 48VDC control

power source to power analog input signals.

5. Vendor to program SEL 2414 for tap position display from Incon 1250B monitor.

6. Furnish and install SEL 2725 5 Port Ethernet Switch, part number

2725S02X0 with four copper ports and one multimode fiber port. Connect SEL 2414 to the Ethernet switch with CAT5 cables and RJ45 connectors. Power the Ethernet Switch from the Owner supplied 48V DC control power.

7. Provide a DC circuit breaker rated 15 amps, 48V DC for connection to the

Owner’s battery control power source.

8. Liquid-Level Indicator operated magnetically. Provide a 5.5 inch dial visible from the ground, and alarm contacts to indicate low level. Wire low level alarm to SEL 2414 digital input.

9. Liquid-Temperature Indicator: Article 5.1.3.

10. Thermo-well with Liquid-Temperature transmitter providing a 4-20mA output

signal. Wire to SEL 2414 analog input 1.

11. Pressure-Vacuum Gauge: Article 5.1.4.

12. Drain and Filter Valves: Article 5.1.5.

13. Lifting, Moving, and Jacking Facilities: Article 5.3.

14. Ground Pads: Article 5.5.

15. Lightning arresters:



a. Primary: 69 kV nominal voltage/ 72.5 kV maximum voltage station class arrester (57 kV Maximum Continuous Operating Voltage). Mounted on brackets fastened to the tank. Porcelain type provided with spades for NEMA two hole lug termination of conductor connection.

b. Secondary: 12.5 kV nominal voltage (10.0 MCOV) station class arrester. Mounted on brackets fastened to the tank inside Air Terminal Chamber. Porcelain type provided with spades for NEMA two hole lug termination of conductor connection.

16. One spare primary and secondary bushing. Provide with gasket kit for each

bushing.

Z. Cooling Fans and Control: ANSI C57.12.10, Article 5.9, with connections to 120-volt or 240-volt, single-phase, control power supplied by Owner. Provide a rated circuit breaker for remote connection of control power.

AA. Designed, pre-assembled, and tested to be an articulated unit substation per

ANSI C57.12.80, Article 7.1.5.

BB. Include a bolted manhole in top of transformer for maintenance access with a minimum diameter of 18”.

PART 3 EXECUTION 3.01 PROJECT RECORD DOCUMENTS

A. Record Documents and Shop Drawings: Correct each item to record actual configuration as shipped.

B. Submit documents to Owner and Engineer within fourteen (14) days after

delivery of equipment. 3.02 OPERATION AND MAINTENANCE DATA

A. Submit four (4) sets thirty (30) days prior to shipment, bound in 8-1/2 x 11-inch text pages, in binders with durable plastic covers.

B. Prepare binder covers with printed title "OPERATION AND MAINTENANCE

INSTRUCTIONS", title of project, owner equipment identification and subject matter of binder when multiple binders are required.

C. Internally subdivide the binder contents with permanent page dividers, logically

organized as described below; with tab titling clearly printed under reinforced laminated plastic tabs.

D. Contents: Prepare a Table of Contents for each volume, with each product or

system description identified.

E. Directory, listing names, addresses, and telephone numbers of Owner, Engineer, Contractor, Subcontractors, and major equipment suppliers.



F. Operation and maintenance instructions, arranged by Specification Section. For each category, identify names, addresses, and telephone numbers of Subcontractors and suppliers. Identify the following:

1. Significant design criteria.

2. List of equipment.

3. Parts list for each component.

4. Operating instructions.

5. Maintenance instructions for equipment and systems.

6. Maintenance instructions for finishes, including recommended cleaning

methods and materials, and special precautions identifying detrimental agents.

G. Project documents and certificates, including the following:

1. Shop Drawings and product data.

2. Certificates.

3. Photocopies of warranties.

4. Test reports of factory tests.

H. Submit final volumes revised within fourteen (14) days after delivery of

equipment. 3.03 WARRANTIES

A. Provide duplicate notarized copies for all components of the system. Standard warranty is to begin upon energization in service date, but no later than one year after delivery date.

B. Execute and assemble documents from suppliers and manufacturers.

C. Provide Table of Contents and assemble in binder with durable plastic cover.

D. Submit explanation of warranties as part of bid document and final copies prior

to final Application for Payment. E. Base bid shall include a 5 year extended warranty.

3.04 SPARE PARTS AND MAINTENANCE MATERIALS

A. Provide products, spare parts, maintenance, and extra materials in quantities specified in individual Specification Sections.

B. Provide one quart of touch up paint for each component supplied.



C. Deliver to project site. 3.05 Start-up Services

A. Engage a factory-authorized service representative to perform startup service including unloading of transformer, installation of all shipped loose accessories, and site acceptance testing.

B. Train Owner's maintenance personnel on procedures and schedules for energizing and de-energizing, troubleshooting, servicing, and maintaining equipment and schedules. Two days of on-site training should be included in the bid.

C. Verify that transformer is installed and connected according to Vendor’s recommendations to validate Warranty requirements.

D. Verify that electrical control wiring installation complies with manufacturer's submittal by means of point-to-point continuity testing.

E. Complete installation and startup checks according to manufacturer's written instructions.

F. Perform at a minimum megger and TTR tests on the completed unit prior to energization.

G. Review electrical test results performed with Owner’s representative.

END OF SECTION

Specifications · 2019-04-22 · D. ANSI C57.12.70 Terminal Markings and Con- nections for...

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Transcript of Specifications · 2019-04-22 · D. ANSI C57.12.70 Terminal Markings and Con- nections for...