Performance Work Statement.pdf

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004

Bureau of Reclamation Wyoming Kortes Power Plant Medium Voltage Breaker Refurbishment

PERFORMANCE WORK STATEMENT

1.0 BACKGROUND

A Westinghouse 75-DHP-250 medium voltage breaker needs to be refurbished. This is a spare breaker at Kortes power plant that has been scavenger for parts to keep the unit breakers operational. The Contractor will have to replace the latch pin, trip coil, and close coil in this breaker for they have been removed and used in another breaker.

2.0 SCOPE

Complete refurbishment of the breaker back to like new condition

2.1 LOCATION

The work to be performed under this contract will be performed at the contractor’s facility.

2.2 SHIPPING:

The medium voltage breaker will be packaged by the Bureau of Reclamation (Reclamation).

Reclamation will provide forklift and personnel to load and unload the breaker at Reclamation’s warehouse. The FOB destination is Bureau of Reclamation, 205 Chamberlain Rd. Mills WY 82644.

The contractor will contact the Contract Specialist Audrey Whetham at 307-261-5619 or e-mail at awhetham@uabr.gov three days before picking up and before returning with the date and the time they will be at Reclamation, so the forklift and personnel are available. Loading hours are Monday through Thursday from 7:30 am to 4:00 pm excluding weekends and federal holidays.

The weight of the medium voltage breaker is approximately 750 pounds. Its dimension are 73.8” H x 31.25” W x 36.27” D

3.0 TASKS

Visual Inspection and Operational Testing - Visually inspect circuit breaker for any missing or damaged components prior to commencement of testing. Record breaker nameplate, operations counter and any anomalies found. A detailed Inspection report documenting all test results, observations, findings and recommendations will be prepared as described in Task E below. All test equipment shall have a NIST traceable certification, include a copy of the NIST certificates as part of the inspection report.

Perform "as-found" inspection and operational testing, consisting of:

a. Check condition of Arc chutes.

b. Check contact wipe.

c. Check contact gap.

d. Check phase insulators.

e. Check mechanical integrity of all moving parts.

f. Check interphase barriers.

g. Check frame and all castings for cracks.

h. Check operation of racking mechanism.

i. Check finger clusters.

mailto:awhetham@uabr.gov

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004

j. Check auxiliary switches, wiring, and contacts (change of state).

k. Check all position indicators and operations counter.

l. Check minimum and maximum coil operating voltages.

m. Check manual and electric open and close operations.

n. Check for proper operation of anti-pump feature.

o. Check for proper operation of electrical and mechanical safety interlocks.

p. Check for proper operation of racking device and check interlocks.

q. Check geared motor.

r. Check under-voltage release.

s. Check opening and closing release.

Perform insulation resistance “megger” testing. All testing will be performed at 15kVDC. Individual tests on primary current carrying components will be performed to include phase to phase, phase to ground, and testing of each pole piece, with the main contacts open. Minimum acceptance value is 1GΩ or greater.

Insulation resistance checks of secondary (control) circuits, to ground, will be conducted. Testing of the spring charging motor will be conducted at 500VDC. Minimum acceptance value is 2MΩ or greater.

Perform circuit breaker opening and closing tests at normal operating control voltage.

Perform main contact resistance checks (Ductor Test).

Test for proper operation of applicable circuit breaker trip features.

Refurbishment - The circuit breaker is to be disassembled to sub-assembly and individual component level as follows. Each component will be thoroughly cleaned and inspected for cracks, deterioration, or worn areas with special consideration given to latch surfaces, cams, rollers, followers, and pivot areas.

Equipment that is found to be excessively worn is to be replaced. Standard refurbish kit(s) used by the contractor shall be listed in detail in the initial bid.

Replace with new all bearings, trip coils, closing coils, and closing latch pivot pin

The operating mechanism, main contact moving and stationary assemblies, draw-out bar assembly and jackshaft assembly will completely disassembled to the individual component level.

Any moving parts and/or components on other sub-assemblies requiring lubrication will also be disassembled.

Control devices will be disassembled to check for internal damage. The electrical control device will be disassembled and inspected for worn/degraded contacts, proper formation of armatures and cracked housings.

Limit switch contacts will be burnished and/or polished as required.

Coils will be checked, as will all terminal connections.

Plate components that show excessive wear to the plated surfaces

Breaker Re-Assembly - All parts found to be worn excessively worn are to be replaced

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004

Each individual moving component, including pivot pins, needle, roller and sleeve bearings, thrust washers; cams and gears will be lubricated per specific manufacturer’s standards.

All latches, roller clearances, adjustable spring tensions and mechanical adjustments within the operating mechanism will be setup per the applicable manufacturer’s specification and/or instruction bulletin.

Main and arcing contact simultaneous make and wipe (main contact pressure) will be adjusted per manufacturer’s specifications.

The auxiliary circuits of the circuit breakers shall be rewired using conductor rated for 600V with XHHW or THHN insulation capable of withstanding 60°C temperature rise above ambient. Conductor ampacity ratings shall meet or exceed that of the original manufacturer. Ring type terminals shall be used for termination of all control wiring where applicable. These lugs shall be installed with tooling certified for the particular type and brand of lug to be installed.

Final Testing- As Left - Perform "as-left" electrical and operational testing, consisting of:

Perform operational testing to include:

a. Manual and electrical functional operation tests.

b. Check pick-up, minimum and maximum coil operating voltages.

c. A minimum of five (5) manual and five (5) electrical functional operational tests.

d. Verify proper operation of anti-pump feature

e. Verify proper operation of electrical and mechanical safety interlocks.

f. Check operation of indicating devices, including all visual indicators & operational counter.

Perform circuit breaker opening and closing timing tests at normal operating control voltage.

Perform main contact resistance checks (Ductor). Maximum acceptable readings will be per manufacturer specifications.

Documentation - The following documentation shall be provided for each circuit breaker traceable by serial number.

A report of the "As-found" operation and condition.

A listing of all components replaced.

A report on the all testing conducted

3.1 GENERAL WORK PLAN

The contractor shall provide a written work plan along with their initial quote. At a minimum, the written work plan shall address all the items listed in section 3.0 Task

3.2 COMPANY EXPERIENCE

Company experience is an objective criterion that determines whether the contractors has or has not performed similar work. Therefore, the contractor shall furnish a list (no more that five) of Federal, State, or commercial projects similar in scope, complexity, and magnitude to the work required under this solicitation that the contractor has completed with the last three (3) years. These projects must clearly demonstrate the contractor’s successful ability to accomplish projects in a timely and

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004 satisfactory manner. At a minimum, the contractor shall provide the following information for each project:

• Name of the Customer (Agency or Commercial)

• Contractor number, type, date, name of project

• Description of the Work

• Initial contract amount and final contract amount

• Name, telephone number, and e-mail address of a point of contact for the customer that may be contacted to confirm and verify the information provided

Award will be made to the responsible offeror submitting a quote which conforms to the solicitation and is the most advantageous to Reclamation, considering the factors and any significant sub-factors listed in this purchase order.

In the evaluation of quotes, all evaluation factors (general work plan, company experience, price) other than cost or price, when combined, are considered to be significantly more important than cost or price.

Reclamation may not evaluate reference with incorrect or missing phone numbers and contact names, which may potentially result in a less favorable rating of the contractor’s quote.

4.0 GOVERNMENT-FURNISHED PROPERTY & MATERIALS

The following table summarizes the description of Government property, cost if damaged or lost, unique item identifier and condition for the exciters that the Government will be releasing to the contractor while repairing.

Description of Property

Quantity and Unit of

Measure

Acquisition Cost if Damaged or Lost

Unique Item Identifier

Condition

75-DHP-250

Breaker

1 each $1,199.99 Westinghouse Moderate

5.0 PERIOD OF PERFORMANCE

The term of the PO will be August 24, 2020 through December 31, 2020.

6.0 CONTRACTOR PERSONNEL

Contractor employees shall comply will all federal, state, and local laws.

7.0 CONTRACTOR QUALITY CONTROL PLAN

Quality control procedures shall ensure that bearing dimensions are within all requirements of the manufacturer instructions for a Porcel-Line DHP type Magnetic Air Circuit Breaker.

8.0 QUALITY ASSURANCE EVALUATOR (QAE)

The CO has designated the employee listed in Section 12 of this Performance Work Statement as the QAE to act as the authorized representative, who assists in the technical administration of the PO. The CO has not authorized the QAE to make any contractual commitments, or to authorize any contractual

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004 changes on the Government’s behalf. If any doubt exists as to the extent of the authority of the QAE, the contractor shall contact the CO for guidance before taking action on the matter. The QAE will determine whether the contractor has satisfied the expected quality level as per the contractual requirements.

9.0 PERFORMANCE CRITERIA

The QAE will document acceptable and unacceptable PO performance. When the QAE considers the contractor's performance to be unsatisfactory, the QAE will report the information to the CO. The CO may require the contractor to explain, in writing, the cause of the poor performance, any corrective actions the contractor has already taken to obtain an acceptable level and any future corrective actions the contractor will utilize to prevent unacceptable performance.

The contractor’s administration personnel may be required to meet with the QAE, as determined necessary, to discuss the contractor’s performance, to include actual or potential problems. All parties shall make a mutual good faith effort to resolve any issues. All parties to the discussion shall review and sign written minutes of the meeting. Should the contractor not concur with the minutes, the contractor shall state any areas of non-concurrence in writing to the CO within 7 business days of receipt of the minutes. Whenever the CO issues a Purchase Order Discrepancy Report, the QAE will hold a meeting if the contractor requests such a meeting.

10.0 PERFORMANCE REQUIREMENTS SUMMARY TABLE (PRST)

The following table summarizes the tasks, the performance standard, monitoring method, and disincentives for not meeting performance standards.

Task Description

Performance Standard

Method of Monitoring

Disincentives

All Tasks

All tasks with no deviation in timeliness or quality

100% Inspection Reports

(1) Re-work at contractor’s expense.

11.0 GOVERNMENT REMEDIES

All work shall be subject to inspection, approval, and acceptance by the Government. The Government will compare the contractor's performance to industry standards and will not exclude common sense considerations as applied by the QAE. The CO will follow the requirements of FAR Clause 52.212-4 for the contractor’s failure to correct nonconforming services. The Government will consider work incomplete when any one of the following conditions exits:

- The contractor did not perform the task.

If the performance of any required service is unsatisfactory, and poor performance is clearly the fault of the contractor, the Government may reduce the PO price to reflect the reduced value of defective services, if the Government gives the contractor a written Purchase Order Discrepancy Report prior to executing such payment deductions.

Refurbishment of Breaker at Kortes Powerplant Solicitation # 140R6A20Q0004

The CO will determine the payment deduction amount by calculating the percentage of acceptable services performed by the contractor. The Government will use the total number of deficiencies found to determine the percentage found unacceptable. The percentage found unacceptable subtracted from 100 percent will determine the percentage acceptable.

12.0 RECLAMATION POINTS OF CONTACT

Audrey Whetham – Contract Specialist Bureau of Reclamation – WYAO P.O. Box 1630 Mills WY 82644 307-261-5619 (phone) 307-261-5691 (fax) awhetham@usbr.gov mailto:awhetham@usbr.gov