140R2022R0003_Amendment_0002_0002.pdf

(x)

140R2022R0003 x x copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR

OFFER. If by virtue of this amendment you desire to change an offer already submitted , such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

Sacramento CA 95825-1898 2800 Cottage Way, Room E-1815

R20

Division of Acquisition Services Regional Office Mid-Pacific Region Bureau of Reclamation

04/18/20220002

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended , by one of the following methods: (a) By completing

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

04/18/2022

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Legacy Doc #: BOR

A. TITLE: New Melones Powerplant Generator Rewind

B. PURPOSE: The purpose of this amendment is to insert both the MEP Rewinds Preproposal

Conference Slides and the MEP Rewinds Preproposal Conference Attendance Sheet.

C. DESCRIPTION: This amendment hereby incorporates the following:

Insert Amendment 0002, Attachment No. 7 in Section J, MEP Rewinds Preproposal Conference

Slides

Insert Amendment 0002, Attachment No. 8 in Section J, MEP Rewinds Preproposal Conference

Continued ...

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Erik M. Danger

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

2 2

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140R2022R0003/0002

Attendance Sheet

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

New Melones Powerplant Generator Rewinds

Pre-Proposal Conference

April 26, 2022

140R2022R0003 Amendment 0002 Attachment 07

Reclamation Introductions

• WCO Kevin Jacobs, Acting Construction Engineer

• WCO Reynaldo (Henry) Garcia, Construction Manager

• WCO Todd Dooley, Resident Engineer

• CBG-3800 Erik Danger, Contracting Officer

• CBG-3800 Matthew Thomas, Contract Specialist

• CCAO Chris Flores, Project Manager

• TSC Cory Maurer, Principal Designer

Communication Protocol

• If you have questions during the pre-proposal conference, please put them in the chat and we will discuss selected questions at the end of the meeting. We will address all chat questions with an amendment for official response.

• Only those questions asked in writing and answered in writing become integral to the contract. Nothing stated otherwise will become part of the contract.

• All questions shall be emailed to Matthew Thomas and Todd Dooley at mthomas@usbr.gov and tdooley@usbr.gov respectively.

• Please submit all questions by May 17, 2022.

Pre-Proposal Site Visit

• Date: Thursday, May 12, 2022

• Time: 10:00 AM PST

• Location: New Melones Powerplant located approximately 10 miles southwest of

Sonora, CA (see google earth image on next slide)

• A Reclamation attendant will remain at the Powerplant entrance gate between 09:30 and 10:00 AM to allow registered site visit Offerors access to the site.

• Bring hard hat, safety vest, closed toed shoes and lock for locking onto the clearance.

• The clearance points will be walked for the site visit.

• Offerors who’ve locked onto the clearance will be afforded access to the underside of the windings for one unit for visual inspection only.

• We anticipate approximately 2-3 hours for the site visit.

Solicitation

• High level review of solicitation only.

• The omission of discussing solicitation items / issues does not diminish their importance.

Section A

• Solicitation No.: 140R2022R003

• Estimated Price Range: $20M to $30M

• Sealed offers by June 2, 2022

Section 01 11 00, Summary of Work

• Rewind and uprate the two main synchronous generators from 166,667 kVA to nameplate 192,000 kVA

• Performing as-found readings

• Generator inspection, disassembly and re-assembly

• Existing Stator Core and New Windings

• Preparing and testing existing stator cores, core loop test, making necessary repairs, and re-run core loop test.

• Furnishing and installing stator armature bars, circuit ring bus, and main and neutral bus.

• Generator Monitoring and Instrumentation:

• Furnishing and installing generator neutral current transformers, exciter and split-phase current transformers, potential transformers, armature winding RTDs, stator air gap sensors, flow and pressure switches and thrust bearing oil level sensors.

• Optional re-babbiting of turbine and generator bearings

• Furnishing and installing generator air coolers and associated piping

• Performing generator ventilation design study and implementing design changes

• Furnishing and installing generator neutral grounding transformer

• Commissioning

Section 01 14 10, Use of Site

• Area at North end of parking lot approx.

50’ x 90’ available for office and eqpt.

staging.

• Erection bay inside the powerplant may be used for material staging, staging rotor, etc.

• Area within warehouse TBD.

• Area within the fenced area adjacent to warehouse.

• Snapshots from section 51 00 10.

Section 01 14 12, Work Restrictions

• Powerplant Normal Working Hours

• M-F 7 am to 3:30 pm

• Work Outside Powerplant Normal Working Hours

• 48 hr notice for any work outside powerplant normal work hours

• 72 hr notice for weekend work

• 7-day notice for night work b/w 6:00 pm and 7:00 am

Section 01 14 30, Interruption of Service

• Interruption in service window for one unit at a time

• U1 Outage: Sept. 1 through March 31

• U2 Outage (after U1): Sept. 1 through March 31

01 32 10, Construction Program

• Schedule in Oracle Primavera P6 Professional file format

• Baseline schedule represents Contractor’s as-planned approach for accomplishing the work.

• Meet monthly at with COR at Gov’s project office to review progress made.

• Updated schedule submittal required for proper invoice with progress payment requests

Sections 01 33 00, Submittals and 01 33 26, Electrical Drawings and Data

• Submittals

• Submit RSNs in CDMS (section 01 31 30)

• 28-day Gov. review of RSNs

• Table 01 33 00A lists required RSNs (approx. 150)

• Electrical Drawings and Data

• Approval Drawings and Data

• Equipment layout drawings

• Bill of Materials

• Nameplate lists

• Schematic Drawings

• Wiring Diagrams (Point-to-point in accordance with Dwg 104-D-1165)

• Manufacturer’s Tech. Catalog

• Final Drawings

• Revised to reflect approval comments and as-built condition of installed eqpt.

• Gov. will provide an electronic AUTOCAD format template (per 01 33 00)

Sections 01 35 20 and 01 35 30, Safety and Health and Contractor’s Onsite Safety Personnel

• Written Safety Program in accordance with RSHS

• Do not allow Contractor and Subcontractor Employees to work under conditions which are unsanitary, physically hazardous or a potential danger exposure

• Develop JHAs for each distinct phase of the work acceptable to the Onsite Gov. Rep.

• Contractor’s Onsite Safety Rep and Full-time Safety Professional responsible for implementation of Safety Program correcting unsafe acts on the spot.

Section 01 51 00, Temp. Utilities

• 3 Phase, 60 Hz, AC, Approx. 480V, 30 amp available near powerplant front door at no charge. Contractor shall provide necessary plug.

• Water within powerplant is available for construction purposes.

• Restroom facilities will be available to Contractor personnel.

Clean restrooms each day or as deemed necessary by COR.

• Contractor generated trash shall be removed daily.

Section 01 54 20, Use of Gov. Crane

• Crane to be operated by qualified Contractor personnel.

• Contractor shall provide experienced, competent crane signaler.

• Contractor shall provide all necessary rigging.

• Contractor shall inspect crane daily in accordance with RSHS.

Section 01 78 30, Project Record Documents

• Update record drawings for progress payments. Meet monthly with the COR to review and approve progress made.

• Contractor to maintain 2 sets of full-size prints of contract drawings and shop drawing onsite and marked to show accurate and complete records of as-built conditions

Sections 02 80 10, 02 83 35 and 02 83 37, Asbestos Abatements, Coatings Containing Regulated Metals and Mercury Containing Equipment

• Existing materials may contain asbestos (asbestos w/n slot section of stator bar)

• Existing coatings contain regulated metals

• Existing materials contain mercury (mercury containing switches)

• See section 51 02 82 – Hazardous Materials Survey and Analytical Results.

Sections 26 05 10, 26 05 33 and 26 05 90, Conductors, Conduit and Wiring Checkout

• Rigid Metal Conduit (Flexible Metal Conduit less than 3’)

• Min. conduit size of ¾”

• Check wire-by-wire, terminal-by-terminal for continuity, insulation resistance, proper wire tagging at each end of cable

Section 48 13 04, Disassembly and As-found Readings

• Pre-shutdown and pre-teardown readings establish condition of the unit prior to overhaul

• Heat runs on bearings

• Unit balance evaluations

• Pre-teardown alignment with plumb wire or slow-rotation method

• See other requirements in section

Section 48 13 07: Reassembly and Alignment

• Record all as-left information including but not limited to all reading taken during disassembly.

• Meet tolerances of USBR FIST 2-1, CEATI Part II and IEEE 1095 for centering and alignment

• Verify stator and rotor vertical centerline alignment is within 20-percent of nominal design air gap.

Commissioning

• Balance rotor to CEATI TI22700-381 or better. Weld weights to achieve tolerances as necessary.

• Conduct operation tests identical to pre-shutdown tests.

• Load rejection tests at 40, 60, 80 and 100 percent load.

Sections 48 13 16, Turbine Bearing

• Part 210 (6,000 lb per half shell)

• 100% dimensional inspection of all components

• Geometric inspection including concentricity, run-out, perpendicularity

• Photos of findings

• VT, PT, UT and Bond testing

• Optional re-babbiting

• Image on right is a snapshot from sheet 3(Turbine section elevation drawing).

Section 48 13 17, Generator Bearings

• 12 Thrust bearing shoes (spring type) (part 10)

• 8 Guide bearing shoes (part 16)

• 100% dimensional inspection of all components

• Geomeric dimensions performed in shop for thrust and guide bearings and thrust runner

• Photos of findings

• VT, PT, UT and Bond testing

• Optional thrust bearing springs and guide and thrust bearing re-babbiting

• Image on right is a snapshot from sheet 6).

Section 48 13 43, Brake and Jacking System

• Four sets of dual piston hydraulic jacks to lift the rotating components of the unit from the generator rotor brake ring at the thrust bracket

• Pneumatic brakes contact rotor brake ring to bring Unit to rest.

• Hydraulic jacks contact the rotor brake ring to lift rotating parts.

• Shop dimensional and geometric inspections

• VT, MT and PT tests

• Fully disassemble cylinders for dimensional, geometric and NDT examinations

• Machine cylinder bores

• Design and install brake dust collection system

Section 48 13 57, Rotor Inspections

• Image to right are snapshots from sheets 23 and 27

• Inspect and repair welds on rotor spider

• VT, MT, PT testing

• Optional rotor bracket and rotor excavation estimated quantity of 125 CI per unit

• Optional rotor bracket and rotor weld estimated quantity of 25 lbs per unit

Section 48 13 62, Winding Removal

• Provide work platform designed for work

• Remove armature windings and associated materials

Section 48 13 63, Existing stator core

• Existing Stator

• 396 slots

• 3 frame / core splits

• Axial length of 73”

• Measure stator core rounding including circularity, concentricity and verticality.

• Visually inspect

• Re-torque clamping studs

• Provide Stator RTDs to be installed in core vents at back of core

• Paint stator core with semi-conducting, heat-resistant compound for corona shielding

• Perform core loop flux test

• Repair hot spots that exceed 15 deg. C. rise at 100 percent rate flux

Section 48 13 71, New Armature Windings

• Coordinate new armature windings design to fit existing stator core

• Provide new armature winding with the following rating:

192,000 KVA, Power Factor of 1, 13.8 KV, 3-phase, 60 Hz, 171.4 rpm (42 poles)

• Many design, submittal and product requirements (see section)

• Installation:

• Monitor and record pressure for pressing bars into slot

• Provide chill blocks near areas being braze to prevent insulation damage

• Visually inspect and photograph each brazed connection

• Locate 24 RTDs in each Armature Winding

• Air gap sensors at every 45 deg.

• Furnish and install main and neutral CTs, exciter CTs

• Coat windings, exposed core, wedges, jumpers, circuit rings, etc with epoxy insulating enamel

Section 48 13 71, New Armature Windings (Cont.)

• Contractor field testing:

• AC High Pot test

• DC Dielectric Test with Min. 48.6 kV for 1 min.

• Armature winding installation tests

• Insulation resistance and polarization index tests in accordance IEEE 43

• Resistance tests in accordance with IEEE 115

• DC ramp test by Gov. with Contractor participation

• Acceptance test on first unit only

• Warranty inspections at 1.5, 3 and 5 years after commissioning generator

Section 48 13 72, Generator Ventilation Design Study

• Re-design generator ventilation system to improve cooled air flow to the lower inner stator end of the windings

• See existing conditions and evaluations in section

• Provide recommendations to the generator ventilation system to meet ANSI Standard C50.12 max. observable temp. at nameplate ratio of 192,000 KVA

• Implement ventilation system design to correct the inner stator lower end turn temperature problem

Sections F and H

• Section F

• Performance period of 1050 calendar days

• Liquidated damages of $6,300 for each day of delay

• Section H

• Intermediate milestones and limitations include those specified in section

01 14 30, Interruption of Service

Sections L and M

• Section L, Instructions to Offeror

• Source Selection Evaluation Procedures

• Technical Proposal Evaluation Committee established to evaluate technical proposals

• Volumes

• Volume I – Business Proposal (Representations, Certifications and Offer)

• Volume II – Technical Proposal / Past Performance

• Volume III – Pricing Proposal

• Technical Proposal Contents

• Factor 1A: Construction Schedule

• Factor 1B: Narrative on Construction Sequence

• Factor 1C: New Equipment and Manufacturing Facilities

• Factor 2: Past Performance

• Section M, Evaluations for Award

• Award made to the responsible offeror submitting the lowest evaluated price meeting or exceeding the acceptability standards for non-cost/price factors.

• See section M for acceptability standards for each non-cost/price factor.

Pre-proposal Conference Conclusion

• This concludes pre-proposal conference with high level review of Solicitation elements

• Site visit May 12, 2022 at 10:00 am

• Review of Questions posted in Chat to follow

PRE-SITE VISIT CONFERENCE ATTENDANCE

Participant ID Full Name Action Role

Mahdi.Ali_Ghourchi@voith.com Ali Ghourchi, Mahdi Joined Attendee

TDooley@usbr.gov Dooley, Todd A Joined Event Team Member sri.arcot@ca.abb.com Srinivasamurthy Arcot Joined Attendee jstender@national-electric-coil.com John Stender Joined Attendee john.dunn@us.abb.com John Dunn Joined Attendee

Mahdi.Ali_Ghourchi@voith.com Ali Ghourchi, Mahdi Joined Attendee robert.mares@us.abb.com Robert Mares Joined Attendee robert.mares@us.abb.com Robert Mares Joined Attendee bwentz@national-electric-coil.com William J. Buzz Wentz Joined Attendee bwentz@national-electric-coil.com William J. Buzz Wentz Joined Attendee

Liang.Zhang@voith.com Zhang, Liang Joined Attendee bwentz@national-electric-coil.com William J. Buzz Wentz Joined Attendee yunfeng.gao@andritz.com Gao Yunfeng Joined Attendee gslovisky@national-electric-coil.com Gary Slovisky Joined Attendee mthomas@usbr.gov Thomas, Matthew R Joined Attendee cyun@usbr.gov Yun, Catheryn Y Joined Attendee robert.perron@us.abb.com Robert Perron Joined Attendee patrick.mcgrath@andritz.com McGrath Patrick Joined Attendee mthomas@usbr.gov Thomas, Matthew R Joined Attendee jmaggard@national-electric-coil.com John Maggard Joined Attendee

212532073@ge.com Bakay, Loicq (GE Renewable Energy) Joined Attendee gustavo.ribeiro@andritz.com Ribeiro Gustavo Joined Attendee

212483695@ge.com Kaelin, Bruno (GE Renewable Energy) Joined Attendee lawrence.braun@us.abb.com Lawrence Braun Joined Attendee steve.peabody@wartsila.com Peabody, Steve Joined Attendee

212541312@ge.com Lambert, Daniel (GE Renewable Energy) Joined Attendee

Michael.Patterson@voith.com Patterson, Michael Joined Attendee rchetwynd@national-electric-coil.com Russell Chetwynd Joined Attendee nicolas.dehlinger@us.abb.com NICOLAS DEHLINGER Joined Attendee sri.arcot@ca.abb.com Srinivasamurthy Arcot Joined Attendee robert.draper@andritz.com Draper Robert Joined Attendee gustavo.ribeiro@andritz.com Ribeiro Gustavo Joined Attendee

Mahdi.Ali_Ghourchi@voith.com Ali Ghourchi, Mahdi Joined Attendee

212486705@ge.com Pevarnik, Matt (GE Renewable Energy) Joined Attendee kenneth.troiano@us.abb.com Kenneth Troiano Joined Attendee

Liang.Zhang@voith.com Zhang, Liang Joined Attendee

140R2022R0003 Amendment 0002, Attachment 08 gslovisky@national-electric-coil.com Gary Slovisky Joined Attendee

CMaurer@USBR.GOV Maurer, Cory R Joined Attendee

Andrew.Breighner@voith.com Breighner, Andrew Joined Attendee kenneth.troiano@us.abb.com Kenneth Troiano Joined Attendee darren.houghton@andritz.com Houghton Darren Joined Attendee yunfeng.gao@andritz.com Gao Yunfeng Joined Attendee

Mahdi.Ali_Ghourchi@voith.com Ali Ghourchi, Mahdi Joined Attendee

CMaurer@USBR.GOV Maurer, Cory R Joined Attendee patrick.mcgrath@andritz.com McGrath Patrick Joined Attendee

Michael.Patterson@voith.com Patterson, Michael Joined Attendee

212541312@ge.com Lambert, Daniel (GE Renewable Energy) Joined Attendee nicolas.dehlinger@us.abb.com NICOLAS DEHLINGER Joined Attendee rchetwynd@national-electric-coil.com Russell Chetwynd Joined Attendee jmaggard@national-electric-coil.com John Maggard Joined Attendee cyun@usbr.gov Yun, Catheryn Y Joined Attendee gslovisky@national-electric-coil.com Gary Slovisky Joined Attendee rchetwynd@national-electric-coil.com Russell Chetwynd Joined Attendee nicolas.dehlinger@us.abb.com NICOLAS DEHLINGER Joined Attendee

212486705@ge.com Pevarnik, Matt (GE Renewable Energy) Joined Attendee

Liang.Zhang@voith.com Zhang, Liang Joined Attendee

Andrew.Breighner@voith.com Breighner, Andrew Joined Attendee kenneth.troiano@us.abb.com Kenneth Troiano Joined Attendee steve.peabody@wartsila.com Peabody, Steve Joined Attendee cyun@usbr.gov Yun, Catheryn Y Joined Attendee

Andrew.Breighner@voith.com Breighner, Andrew Joined Attendee darren.houghton@andritz.com Houghton Darren Joined Attendee yunfeng.gao@andritz.com Gao Yunfeng Joined Attendee gustavo.ribeiro@andritz.com Ribeiro Gustavo Joined Attendee rchetwynd@national-electric-coil.com Russell Chetwynd Joined Attendee yunfeng.gao@andritz.com Gao Yunfeng Joined Attendee robert.draper@andritz.com Draper Robert Joined Attendee jstender@national-electric-coil.com John Stender Joined Attendee

212541312@ge.com Lambert, Daniel (GE Renewable Energy) Joined Attendee robert.draper@andritz.com Draper Robert Joined Attendee mthomas@usbr.gov Thomas, Matthew R Joined Attendee patrick.mcgrath@andritz.com McGrath Patrick Joined Attendee

212541312@ge.com Lambert, Daniel (GE Renewable Energy) Joined Attendee

212541312@ge.com Lambert, Daniel (GE Renewable Energy) Joined Attendee robert.draper@andritz.com Draper Robert Joined Attendee darren.houghton@andritz.com Houghton Darren Joined Attendee

Liang.Zhang@voith.com Zhang, Liang Joined Attendee

Liang.Zhang@voith.com Zhang, Liang Joined Attendee

212489619@ge.com Papillon, Louis (GE Renewable Energy) Joined Attendee lawrence.braun@us.abb.com Lawrence Braun Joined Attendee rchetwynd@national-electric-coil.com Russell Chetwynd Joined Attendee robert.draper@andritz.com Draper Robert Joined Attendee patrick.mcgrath@andritz.com McGrath Patrick Joined Attendee