Performance_Work_Statement_24_August_2021_0001.pdf

PERFORMANCE WORK STATEMENT (PWS) – ARMATURE 70000060 REPAIR

1.0. SCOPE.

1.1. OBJECTIVE.

1.1.1. This procurement seeks a qualified contractor to inspect, test, troubleshoot, repair, and retest to certify the armature’s repair was successful.

1.1.2. The contractor shall supply a drawing of the actual wiring diagram of the repaired armature.

1.2. BACKGROUND.

1.2.1. Hoover Dam uses rotating armatures to inject 250 volts DC onto generator stator windings. The armature was in service for decades before being sent for rewind under contract R14PC00111. Return shipping by the repair facility was authorized after review of all reports, documents, and photographs.

1.2.2. Armature 70000060 was inspected on delivery and stored for four years before being removed from storage, inspected, tested, and placed in service. A flash (similar to a fire-works sparkler) occurs after voltage is applied. A photo of the burned area is attached. The service life of the armature was eighty-seven seconds.

1.3. REPAIR FACILITY, TOOLS and MATERIALS REQUIREMENT.

1.3.1. The contractor must arrange a transport vehicle and driver trained and licensed to safely operate the vehicle in all types of weather on typical highway and roadway surfaces.

1.3.2. The driver must bring the tools, equipment, and accessories to safely secure the load placed on the transport vehicle at the Hoover Dam Central Warehouse (and at the repair facility).

1.3.2.1. Armature 70000060 weighs approximately 13,000 pounds.

1.3.2.2. Armature 70000060 is crated to minimize damage during shipping.

1.3.2.3. Armature crate dimensions are about 6’ (length) x 6’ (width) x 5’ (height).

1.3.3. The contractor must furnish a clean, secure work site, tools, equipment, cranes, rigging, and other items to unload, repair, rewind, test, balance, crate and reload this armature at the repair facility.

1.3.4. The repair facility must supply all materials to repair armature 70000060.

1.3.5. The repair facility must be operated by an Electrical Apparatus Service Association (EASA) contractor certified to repair rotating armatures in compliance with ANSI/EASA AR100-2020.

1.3.5.1. AR100-2020 lists recommended practices for repair of rotating electrical apparatus.

1.3.5.2. Copies of the Standard are available FREE from EASA website at: www.easa.com.

1.3.5.3. Do not deviate from the Standard without written permission from the Contract Office.

http://www.easa.com/

1.3.5.4. A record of the procedures followed to repair armature 70000060 must be made and certified as being in accordance with the ANSI/EASA AR100-2020 Standard.

1.3.5.5. A copy of the certified repair record must be included in submittals sent to the Agency.

1.4. SUBMITTAL REQUIREMENT.

1.4.1. The Contractor must provide Table 1 submittals to the Hoover point of contact below.

1.4.2. Please attach a cover sheet with the job name and contract number on each submittal.

1.4.3. The Contractor must provide the submittals to the address or Email listed below:

Bureau of Reclamation To be determined at time of award Engineering Office PO Box 60400 Boulder City, NV 89006-0400

1.4.4. The cost to furnish submittals must be included in the price bid for other items of work.

1.4.5. Table 1 – List of Submittals

RSN Item Submittal required Due date 01 Digital photos (PDF format) Photos from three different views

(top, side, bottom) Seven days after arrival at the repair facility

02 Armature measurements in WORD format

Measure and weigh armature on arrival at the repair facility

Seven days after arrival at the repair facility

03 Sketch of the armature with dimensions & weight shown

Sketch of armature providing dimensions & weight before repair

Seven days after arrival at the repair facility

04 Armature Repair Plan for Hoover review and approval

Include a sketch, brief description of proposed repair, tests before repair and tests after repair, an itemized material list, a schedule, and an estimated delivery date for returning the repaired armature.

After the contractor completes the work to create the proposed repair plan

05 Revised Armature Repair Plan (if additional work is required)

Include items not previously listed in RSN 04 above.

Upon discovery of the need for additional work

06 Armature measurements in WORD format.

measure and weigh armature after repairs and tests are complete.

Before shipping back to Hoover Dam

07 Sketch of the armature with dimensions & weight shown

Sketch of armature providing dimensions & weight after repair

Before shipping back to Hoover Dam

08 Certified copy of repairs and test results for the armature

Repairs and test results (including vibration and balancing data)

Before shipping back to Hoover Dam mailto:jroach@usbr.gov

1.4.5. Table 1 – List of Submittals (cont’d)

RSN Item Submittal required Due date 09 Digital copies of armature’s actual wiring diagram in

AUTOCAD

Actual wiring diagram in the latest version of AUTOCAD in .DWG (base) format and in .PDF format

Before shipping back to Hoover Dam

10 Digital photos (PDF format) Photos of three views after repair Before shipping back to Hoover Dam

11 Recommended inspections and tests upon delivery.

List of inspections and tests Before shipping back to Hoover Dam

12 Recommended annual tests during armature storage.

List of recommended annual tests Before shipping back to Hoover Dam

13 On-site inspection photos & acceptance test results

Certified copies of the on-site open-crate inspection photos and on-site acceptance test data

Seven days after delivery to Hoover Dam

1.5. PERIOD OF PERFORMANCE.

1.5.1. The Contractor may take two months to complete the work to repair armature 70000060.

1.5.2. The Contractor must return the armature to Hoover Dam as soon as all work, tests, drawings, and reports are complete and the Contracting Office authorizes return shipping.

1.6. PERFORMANCE STANDARDS.

1.6.1. Electronic reports shall be compatible with Microsoft Office (WORD, etc.) or Adobe PDF.

1.6.2. Electronic drawings and sketches shall be in the latest version of AUTOCAD in .DWG format and in .PDF format.

1.6.3. The Contractor’s repair facility must be properly licensed by a governmental authority.

1.6.4. Armature repairs shall be made in a neat and workmanlike manner following EASA Standards.

1.6.5. All work shall be performed by craftsmen trained in their various crafts or trades.

1.6.6. All parts shall be made accurate to standard gauge to facilitate replacement and repair.

1.6.7. Transport drivers must follow Reclamation Health & Safety Standards while working on-site.

1.6.8. Reclamation Health & Safety Standards are available free on-line at: https://www.usbr.gov

1.6.9. The operation of Hoover Dam and Power-plant requires continuous security measures.

1.6.9.1. The Security Response Force (SRF) enforces controlled access to the Facility.

1.6.9.2. Contractors shall not enter restricted areas without authorization.

https://www.usbr.gov/

2.0 REFERENCES. Documents required to perform this contract include:

2.1. ANSI/EASA AR100-2020 Recommended Practice for the Repair of Rotating Electrical Apparatus, Copyright 2020 (version 0920), Electrical Apparatus Service Association, Inc.

2.1.1. The Standard covers all contract work and is available free by download from www.easa.com

2.2. Photo of the burned area of Armature 70000060 is attached next to the last page of this PWS.

2.3. Sketch of Armature 70000060 with dimensions AS RECEIVED dated 05/26/15, is attached as the last page in the PWS.

3.0 TASKS. The contractor shall perform the following tasks:

3.1. Arrange for a transport vehicle and licensed driver to pick up crated armature 70000060 at the Hoover Dam Central Warehouse and deliver it to the contractor’s repair facility.

3.1.1. Hoover Dam Central Warehouse directions and assistance are listed below.

3.1.1.1. The Central Warehouse is located on Nevada State Route 172 about eight miles East of Boulder City, Nevada. Take Exit 2 (SR-172) and follow the signs.

3.1.1.2. The Central Warehouse is open for pick-ups or deliveries from 0800 to 1700 PDT, Monday thru Friday.

3.1.1.3. The Contract must submit arrival times at least forty-eight hours in advance to the Government point of contact listed in the submittal section above.

3.1.1.4. Advance notice ensures sufficient warehouse staff is available to ship or receive items.

3.1.1.5. Advance notice also ensures Warehousemen and Mechanical Craftsmen are available to operate the forklift and perform rigging that may be needed to load or unload the transport vehicle.

3.1.1.6. The following facilities and equipment will be available for use (upon request and at no charge) in providing the services required under this Performance Work Statement (PWS):

3.1.1.6.1. A place to work at the central warehouse to load the vehicle transporting the armature out for repair and for unloading the armature upon return.

3.1.1.6.2. A forklift and qualified operator to load and unload the transport vehicles.

3.1.1.6.3. An escort for the transport vehicle while loading or unloading the armature.

3.1.1.6.4. Sanitary facilities – Existing restrooms and wash-up facilities.

3.1.1.6.5. No Government phone or internet will be provided for security reasons.

3.1.1.6.6. Cell phone service is available in the central warehouse area.

http://www.easa.com/

3.2. Inspect, photograph, weigh, measure, sketch, test, assess, and report the armature’s condition upon arrival (to the COR via email to: To be determined at time of award for Hoover review.

3.2.1. Photograph all visible damage (three positions minimum) upon removal from its crate.

3.2.2. Record the name plate data and all marks stamped into the metal frame of the armature.

3.2.3. Record the armature’s dimensions (in inches and millimeters) and weight (in pounds).

3.2.4. Record the dimensions and weight on a new sketch of Armature 70000060 as received.

3.2.5. The diameter of the repaired armature must equal the diameter measured upon arrival (within ANSI/EASA AR100-2020 tolerances, or 1/8 inch, whichever is less).

3.3. The repair facility must provide a written Armature 70000060 Repair Plan for Hoover Managers review and approval within a reasonable time after the armature’s arrival.

3.3.1. The repair plan shall include thorough inspection and test of all components located in, around or near the burn areas shown in the photos.

3.3.2. The repair plan shall include such other inspections and tests a prudent EASA Vendor would take to locate the cause of Armature 70000060 failure.

3.3.3. The Repair Plan shall include a thorough inspection and test of all equalizer bar connections and repair any suspect connections.

3.4. Proceed with Armature 70000060 Repair Plan when authorized by the Contracting Office.

3-5. The repair facility must stop work and notify the COR upon discovery of the need for additional repairs outside the scope of the Armature 70000060 Repair Plan.

3.6. The repair facility must provide a Revised Armature 70000060 Repair Plan + a written estimate of the cost, the workdays needed to complete additional repairs and any additional tests required.

3.7. The repair facility must receive authorization from the Contract Office before making additional repairs.

3.8. On completion of all repairs and tests, the repair facility shall use the latest version of AUTOCAD to create an electronic drawing (in .DWG format and in .PDF format) of the actual wiring diagram of Armature 70000060.

3.9. Upon completion of all Armature 70000060 repairs, the repair facility shall promptly send all repair records and test results for review to the COR at the following email address: To be determined at time of award.

3.10. The COR will review and discuss repair records and test results with Contractor’s Repair Team.

3.11. The repair facility must build a new heavy-duty wooden crate to properly secure, support and protect the armature during return shipping to Hoover Dam.

3.12. Dispose of materials removed from Armature 70000060 in an environmentally friendly manner in compliance with local laws, rules, and regulations.

3.13. Request permission to return ship Armature 70000060 via email to the COR.

3.13.1. The COR will recommend the Contract Office authorize return shipping when the terms and conditions of this PWS are completed.

3.14. The Contractor must receive written permission from the Contract Office to return repaired Armature 70000060 to Hoover Dam.

3.14.1. Permission to ship will not relieve the repair facility of its responsibilities to conform to all requirements of this Performance Work Statement (PWS).

3.15. The Contractor must arrange a transport vehicle and qualified driver to pick up and deliver Armature 70000060 to the Hoover Dam Central Warehouse as soon as possible after repairs are completed and permission to ship is received from the Contracting Office.

3.16. The Contractor shall inspect, photograph, test and declare: “… Armature 70000060 arrived at Hoover Dam ready for immediate return to service. …”

3.16.1. The Contractor shall provide the certified on-site photos and test data as required in

RSN-13.

4.0 PERFORMANCE REQUIREMENTS SUMMARY

Task Task Description Performance Indicator

Minimum Acceptable Quality Level

3.1 Transport armature to repair

facility

Email COR photos of armature arrival

Legible photos sent within two days of arrival

3.2 Inspect, photo, weigh, measure, sketch, test, assess, and report the armature’s condition upon arrival

Email COR copies of all documents created on arrival.

Photos, sketch & test results in PDF format.

Report in WORD or PDF format.

3.3 Provide a written Armature

Repair Plan

Email written Repair Plan to COR

Legible copies in Word or PDF format.

3.4 Proceed with the Armature

Repair Plan when authorized by the Contract Office (CO).

Repairs made per written Repair Plan

Repairs meet or exceed the EASA AR100-2020 Standard.

3.5 Stop work & notify COR if

additional repairs are needed

Email notice of additional repairs

Legible documents in WORD or PDF format sent to the COR

Task Task Description Performance Indicator

Minimum Acceptable Quality Level

3.6 Provide estimates and a

Revised Armature Repair Plan for additional repairs

Email estimates & Revised Repair Plan to the COR

Legible documents in WORD or PDF format sent to the COR.

3.7 Proceed with Revised

Armature Repair Plan when authorized by CO.

Armature repairs & tests are completed

Certified repairs and tests meet or exceed EASA AR100-2020 Standard

3.8 Create AUTOCAD drawing

of Armature 70000060

Email .DWG and .PDF files to the

COR

Both files (.DWG and .PDF) open & clearly depict the armature’s actual wiring diagram.

3.9 Send certified repair records

and test results to the COR

Records sent via email

All documents in WORD or Adobe PDF format

3.10 COR reviews & discusses

records with repair team

Discuss via phone conference

All in attendance can hear and repair records are available for review.

3.11 Build a crate to ship the

armature to Hoover Dam

PDF Photo of crate at the repair facility

Crate provides space to secure and protect the 13,000 pound armature

3.12 Proper disposal of removed

materials

Contractor email + disposal receipt

PDF copy of legible disposal receipt

3.13 Request permission to return

the armature

Contractor email to the COR

Any legible email application

3.14 Receive permission to return

the armature

Email from the Contract Office

Any legible email application

3.15 Transport armature back to

Hoover Dam

Armature delivered undamaged

Two days delivery

3.16 Contractor inspects and tests

armature at Hoover’s Central Warehouse

COR observes all inspections & tests required in RSN-11

Certified photos & written test results due in seven days.

Contractor and COR inspections reveal no visible damage.

COR observes Contractor perform all tests required in RSN-11 & verify all test results are satisfactory.

5.0 DATA AND REPORTS - The contractor shall provide the following data and reports:

Item No. Description Content Format Medium Delivery

RSN-01 Arrival photos PWS 1.4.5 Government PDF w/n 7 days of armature arrival

RSN-02 Measurements As received

PWS 1.4.5 Government WORD w/n 7 days of armature arrival

RSN-03 Armature sketch As received

PWS 1.4.5 Government PDF w/n 7 days of armature arrival

RSN-04 Repair Plan PWS 1.4.5 Government WORD or PDF w/n 7 days of armature arrival

RSN-05 Revised Repair Plan (if necessary)

PWS 1.4.5 Government WORD or PDF Upon discovery

RSN-06 Measurements After repair

PWS 1.4.5 Government WORD Before armature return

RSN-07 Armature sketch After repair

PWS 1.4.5 Government PDF Before armature return

RSN-08 AUTOCAD wiring diagram of armature

PWS 1.4.5 Government AUTOCAD

.DWG & .PDF

Before armature return

RSN-09 Certified copy of all repairs & test results

PWS 1.4.5 Government WORD or PDF Before armature return

RSN-10 Digital photos PWS 1.4.5 Government PDF Before armature return

RSN-11 List inspections and tests upon delivery

PWS 1.4.5 Government WORD or PDF When armature return

RSN-12 List recommended tests during storage

PWS 1.4.5 Government WORD or PDF Before armature return

RSN-13 Certified copies of on-site open-crate inspection photos & on-site acceptance test data

PWS 1.4.5 Government WORD or PDF Seven days after on-site inspection & acceptance tests

6.0 DELIVERABLES - The contractor shall submit the following deliverables to complete all work under this PWS:

6.1. Email certified copies of RSN 01 thru RSN 12 to the COR at the times required in Table 1 – List of Submittals on PWS pages 2 and 3 (and before repaired armature 7000060 returns to Hoover).

6-2. Return repaired armature 70000060 to the Hoover Dam Central Warehouse when authorized by the Contract Office.

6.3. Perform inspection and acceptance testing on repaired armature 70000060 upon arrival at the Hoover Dam Central Warehouse.

6-4. Email certified copies of photos, inspections and tests performed on repaired armature 70000060 to demonstrate it is ready for immediate return to service upon delivery to the Warehouse.

6-5. Email certified copies of on-site inspection photos and test data showing armature arrived at Hoover Dam ready for immediate return to service.

6-6. Submit the invoice to receive payment for services in accordance with the contract’s terms.

REVISIONS DATE

9.150”

16.560”16.000”9.550”12.250”

2.950”

0.720”

0.250” 3.000”

0.435”

8.501” 25.000”

.4

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4.500”

14.000”34.540”35.970”

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5-28-15 Shermco's Intake Sketch re Armature 50417 - Carma Asset 76707- Shermco #70000060

09-09-19 Photo - N4 Armature Burn Spot

Exhibit 3 - List of up-rate Generator Data