C06 Amendment 1 PWS Revisions Attachment_140R2021Q0031_FINAL_0001.pdf

140R2021Q0031 NCAO In-Place Transformer Oil Leak

Amendment 1 Repair & Diagnosis

PERFORMANCE WORK STATEMENT

1.0 SCOPE

The Northern California Area Office has multiple transformers that have leaks requiring an in-place leak repair or leak diagnosis and suggested repair method. Development of in-place repair procedures to fix various type of transformer oil leaks without draining the oil and minimizing outage times will be required.

2.0 TYPE OF CONTRACT

This is a firm-fixed price contract. The contractor will used approved methods to repair the already diagnosed oil leaks and perform leak diagnosis on leaks that need inspection. The

Contractor will provide a detailed report of leaks needing diagnosis with recommended repair procedure and costs.

3.0 PERIOD OF PERFORMANCE

The anticipated time to complete this requirement is February 15, 2021 through November 15, 2021. After award, the Contractor will be required to provide Government the required outage schedule and estimated numbers of working days needed to make repairs and perform leak diagnosis.

4.0 PLACE OF PERFORMANCE

There are 4 works sites for this contract.

The physical addresses are as follows:

Shasta Power Plant

16349 Shasta Dam Blvd

Shasta Lake CA 96019

Keswick Power Plant

16515 Keswick Dam Road

Redding CA 96003

Spring Creek Power Plant

11757 Iron Mountain Mine Road

Redding CA 96003

Trinity Power Plant

100 Powerhouse Road

Lewiston CA 96052

4.1 Work Hours – Access to work shall be coordinated with the Contracting Officer

Representative (COR) prior to the start of onsite work. Work shall be performed during normal working hours between 7:00 am to 5:00 pm, Monday through Friday, except

Federal Holidays.

4.2 Federal Holidays – Contractor shall notify Government 72 hours prior to a holiday weekend, or a holiday if not on a weekend, if the Contractor intends to perform on-site work that holiday weekend or holiday.

4.3 Site Security

4.4.1 Gates – COR will unlock gates prior to start of shift and relock gates at the end of shift.

4.4.2 Personnel – The Contractor shall maintain a current and updated list of authorized persons and provide a copy to the COR. The Contractor shall collect identification cards from authorized persons at completion of their work at site and promptly turn the identification cards over to the COR.

4.4.3 Vehicles – All vehicles entering the worksite will be subject to search.

5.0 SAFETY AND HEALTH

5.1 The Contractor shall always provide necessary precautions for the protection of the public and employees as outlined by Federal, State, and Local regulations.

6.0 TASKS

6.1 Perform in-place repairs without draining oil on energized transformer and diagnosis on various transformer oil leaks. Transformer outages will only be allowed on leak diagnosis of current transformer penetration leaks. Contractor shall provide all qualified labor, materials, and equipment to perform the following tasks. See attached list of transformer leaks and photos of fixed price leaks.

6.2 Task 1 – Already Diagnosed Leaks (see attached Transformer List of Leaks, Already

Diagnosed tab)

6.2.1 Inspection of leak

a. Clean area around leak

b. Perform leak detection test to verify leak

6.2.2 Repair leak

a. Using approved leak repair procedure perform an in-place repair of leak

6.2.3 Test Repaired Leak

a. Perform leak detection test to verify leak has stopped

6.3 Task 2 – Leak Diagnosis (see attached Transformer List of Leaks, Leak Diagnosis tab).

Perform in-place leak diagnosis of current transformer penetration leaks that need further inspection without draining oil. These leaks are in areas that need a transformer outage and covers removed to facilitate inspection of leak for determination of repair scope and procedure.

6.3.1 Inspection of leak

a. Gain access to leak by removing covers as needed

b. Clean area around leak

c. Perform a leak detection test to verify leak

6.3.2 Provide Government a detailed report with the following information

a. Is leak repairable

b. Method and procedure to be used to repair leak

c. Drawings of special fixtures / cofferdams needed to encapsulate leak

d. Estimated cost to repair leak

e. Submit report within 5 business days of leaving site.

7.0 QUALITY CONTROL PROCEDURES

7.1 Government Contract Quality Assurance of various functions, including inspection, is performed by the Government to determine whether a contractor has fulfilled the contract obligations pertaining to quality and quantity.

7.2 Field Quality Assurance

7.2.1 Final inspection and acceptance of leak repairs will be made only at the jobsite after repair and testing.

8.0 PERFORMANCE REQUIREMENTS SUMMARY

Performance

Requirement

Summary

Performance Standard Acceptable Quality

Levels (AQL)

Method of Surveillance

Inspection of leak

(PWS 6.2.1, 6.3.1)

1. Clean Area around

Leak

2. Perform a leak detection test

Performed in accordance with contractor’s leak detection procedures

Contracting Officer

Representative (COR) –

On-site observation of leak detection

In place repair of leak

(PWS 6.2)

1. Using approved repair procedure to repair leak

Performed in accordance with contractor’s repair procedures

Contracting Officer

Representative (COR) –

On-site observation of leak repair

Test repaired leak

(PWS 6.2.3)

1. Perform a leak detection test

Performed in accordance with contractor’s leak detection procedures

Contracting Officer

Representative (COR) –

On-site observation of leak repair

Detailed report of leak diagnosis

(PWS 6.3.2)

1.Detailed report containing information called out in section

6.3.2

Report is concise with all required information

Contracting Officer

Representative (COR) –

Review report upon submission

**End of Performance Work Statement**