W9127820R0018 AM04.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

1 2

3. EFFECTIVE 4. REQUISITION/PURCHASE 5. PROJECT NO. (If applicable)2. AMENDMENT/MODIFICATION

NO. W9127820R0018-0004 29 APR 2020

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

CODE

Corps of Engineers 109 St. Joseph St.

Mobile, AL 36602

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP code) 9A. AMENDMENT OF SOLICITATION

NO.

W9127820R0018

9B. DATED (SEE ITEM 11)

31 JAN 2020

10A. MODIFICATION OF

CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in item 14. The hour and date specified for receipt of Offers is extended. 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 items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (if required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority)

THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO. IN ITEM 10A

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO AUTHORITY OF FAR 43.103(b)

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

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

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

The subject solicitation for: Hartwell Powerhouse Rewind of Units 3&4, Hartwell, GA

Is modified in the following: REFER TO THE ENCLOSED ADDITIONAL SPECIFICATIONS FOR AMENDMENT NO. 0004

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

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

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

BY

(Signature of contracting officer)

16C. DATE SIGNED

NSN 7540-01-152-8070 30-105 STANDARD FORM 30 (REV. 10-83)

PREVIOUS EDITION UNUSABLE Prescribed by GSA is not extendedX k5ct9lrk Highlight

Unit 3 and 4 Generator Rewind at Hartwell Powerhouse in Hartwell, GA

W9127820R0018

SF 30 Page 2 W9127820R0018-0004

The proposal due date remains 10 June 2020, 1400 central daylight savings time.

The ProjNet RFI period is extended to 6 May 2020, 1400 central daylight savings time.

The items listed below are revised in the solicitation. The revised sections are hereby made a part of the contract and are to be inserted in the proper numerical/alphabetical sequence.

Section 00 11 00 PROPOSAL SUBMISSION REQUIREMENTS AND INSTRUCTIONS The page limit is revised to the following instructions:

4.4 Volume I – Tab B, Factor 2 – Technical Approach and Schedule

The Offeror must submit a technical approach narrative to explain their company’s capabilities to execute the construction work required by the solicitation. Project information required by this solicitation Factor 2 shall not exceed forty (40) pages. Reference drawings and projected work schedule will not apply to the page limit.

Section 01 22 00.00 10 PRICE AND PAYMENT PROCEDURES

1.2.13.1 Payment – Revised to add “for each Unit”.

1.2.13.2 Unit of Measure – changed from “Job” to “Each”

Section 48 13 16.00 26 REWIND OF HYDRAULIC-TURBINE DRIVEN GENERATORS

1.3 SUBMITTALS – Moved “Electromagnetic Finite Element Analysis of the Proposed Winding and Core Design” from SD-09 Manufacturer’s Field Reports to SD-01 Pre-Construction Submittals and it is now due within 150 calendar days after receipt of written notice to proceed with the rewinds.

2.15.2 INTERPOLE CONNECTORS – Deleted the words “as necessary”.

3.4 COIL DISECTIONS - DELETED “Do not begin production of the stator coils until the dissection examination report has been approved by the government.” from the paragraph.

BID SCHEDULE

Base Item 0025 “Machine Reference Bands in Turbine Guide Bearing Housing” changed from quantity of 1 “Job” to a quantity of 2 “each”.

SECTION 01 22 00.00 10 BID SCHEDULE

Revision 4/29/2020

Base Items Description Est. Qty. UOM Unit Price Amount

0001 Mobilization and Demobilization 1 Job $ $

Perform Electromagnetic Finite Element Analysis of The Proposed Winding and Core Design

1 Job $ $

Analyze Stator Frame for Suitability for Continued Service with The New core, Keybars, and Core Clamping System

1 Job $ $

Inspect and Evaluate Stator Frame Sole Plates Prior to Disassembly

2 Each $ $

Design, Manufacture, and Perform voltage Endurance Testing on 4 Prototype Coils

1 Job $ $

Manufacture and Perform Thermal Cycle Testing on 5 Prototype Coils

1 Job $ $

Furnish Complete Set Of Stator Coils Including Supplies and Accessories For A Complete New Winding Including Factory Testing

2 Each $ $

0008 Furnsih Spare Parts 1 Job $ $ 0009 Remove Stator Winding and Stator Core 2 Each $ $ 0010 Furnish, Install, and Test New Stator Core 2 Each $ $

Clean and Inspect Rotor, Reinsulate Rotor Field Leads, and Test Rotor Field Windings

2 Each $ $

0012 Install and Test New Stator Winding 2 Each $ $ 0013 Perform Generator Special Field Tests 1 Job $ $

Perform Start-Up, Commissioning, and Testing of the Generator

2 Each $ $

Furnish and Install General Field Wiring, RTDs, Conduit, Gauges, and Switches

2 Each $ $

Inspect and Load Test Tandem Lifting Beam and Lifting Devices

1 Job $ $

Disassembly of Generating Unit Including Inspections of Components

2 Each $ $

0018 Operational Testing of Unit 4 Prior to Disassembly 1 Job $ $

0019 Reassembly of Generating Unit 2 Each $ $ 0020 Operational Testing After Reassembly of Unit 2 Each $ $ 0021 Rotor Balancing 2 Each $ $ 0022 Inspect Spare Turbine Guide Bearing 1 Job $ $ 0023 Inspect Spare Generator Guide Bearing 1 Job $ $ 0024 Inspect Spare Thrust Bearing 1 Job $ $

Machine Reference Bands in Turbine Guide Bearing Housing

2 Each $ $

0026 Install Shaft Sleeve 1 Job $ $ 0027 Perform Model Validation Testing 1 Job $ $

Base CLINs Sub Total:

Optional Items 0028a Miscellaneous Welding (Optional) 320 LBS $ $ 0028b Welding Services (Optional) 320 HRS $ $ 0028c Machinist Hire (Optional) 320 HRS $ $ 0028d Electrician Hire (Optional) 320 HRS $ $ 0028e Painter Hire (Optional) 200 HRS $ $ 0028f Millwright Hire (Optional) 320 HRS $ $ 0028g General Laborer Hire (Optional) 320 HRS $ $ 0028h Liquid Penetrant Method (Optional) 160 HRS $ $ 0028i Magnetic Particle Method (Optional) 160 HRS $ $ 0028j Ultrasonic Method (Optional) 160 HRS $ $

Ship and Refurbish Generator Guide Bearing Pads (Optional)

2 Each $ $

Ship and Refurbish Turbine Guide Bearing (Optional)

2 Each $ $

Refurbish Turbine Guide Bearing Housing Spigot Fits (Optional)

2 Each $ $

Ship and Refurbish Spare Generator Guide Bearing Pads (Optional)

1 Job $ $

Ship and Refurbish Spare Turbine Guide Bearing (Optional)

1 Job $ $

Ship and Refurbish Spare Thrust Bearing Shoes (Optional)

1 Job $ $

0035 Replace Packing Box (Optional) 2 Each $ $ 0036 Miscellaneous Parts and Materials (Optional) 1 NTE $ $

Furnish and Install Complete New Machine Condition Monitoring System (Optional)

1 Job $ $

Furnish and Install Supplemental Vibration Machine Condition Monitoring (Optional)

1 Job $ $

0039 Rotor Pole Refurbishment (Optional) 2 Each $ $ 0040 Tandem Lifting Beam (Optional) 1 Each $ $ 0041 Hydraulic Turbine Lifting Device (Optional) 1 Each $ $ 0042 Generator Shaft Lifting Device (Optional) 1 Each $ $ 0043 Rotor Lifting Device (Optional) 1 Each $ $

0044 Furnish and Install Turbine Shaft Sleeve (Optional) 1 Job $ $

0045 Furnish New Spare Turbine Shaft Sleeve (Optional) 1 Job $ $

Option CLINs Sub-Total:

Grand Total: $

SECTION 01 22 00.00 10

PRICE AND PAYMENT PROCEDURES

04/29/2020

PART 1 GENERAL

In each instance, the contract price for an item shall constitute full compensation for furnishing all plant, labor, equipment, and materials, and for performing all operations required to complete the work included in the item as herein specified, or as otherwise approved. In the event any work is required by the specifications sections or by the drawings and not specifically mentioned in the price and payment paragraphs, separate or direct payment will not be made and all costs thereof are incidental to and included in the contract prices and payments for all items listed in the price schedule. The word "provide" shall be understood to mean "furnish and install" when used in this Section or elsewhere in the technical sections.

1.1 RETAINAGE OF PAYMENT

Retainage in the amount of 10% of original contract award amount will be withheld until the final submittals, listed below, have been approved by the Government.

1. Final Operation and Maintenance Manuals and Parts Catalogs.

2. Final Approved Versions of Contractor Prepared Drawings.

1.2 SINGLE JOB PAYMENT ITEMS

Payment items for the work of this contract for which contract job payments will be made are listed in the BIDDING SCHEDULE and described below. All costs for items of work, which are not specifically mentioned to be included in a particular job or unit price payment item, are included in the listed job item most closely associated with the work involved. The job price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.2.1 CLIN 0001: Mobilization and demobilization

1.2.1.1 Payment

Payment will be made for costs associated with mobilization and demobilization. Mobilizing and demobilizing all plant, equipment, fuel, supplies, materials, and personnel to and from the job site. This CLIN applies to the Prime Contractor and all subcontractor mobilization and demobilization, site mobilization of all materials, equipment, and labor required to accomplish the work. Mobilization is considered complete after all of the Contractor's equipment, materials, and labor required to accomplish the work is on-site, the Government has made the area available for the Contractor to commence work, and the Contractor has staged equipment to commence the work.. Demobilization is considered complete when the Contractor has removed all construction equipment, cleaned the area, and restored the work area to "as-found" pre-Contract conditions. For additional information see SECTION 48 13 13.02 26.

1.2.1.2 Unit of Measure

Unit of measure: job

1.2.2 CLIN 0002: Perform Electromagnetic Finite Element Analysis of The Proposed Winding and Core Design

1.2.2.1 Payment

Payment will be made in a lump sum for costs associated with the performance of an electromagnetic finite element analysis of the proposed winding and core design. For additional information see SECTION 48 13 16.00 26.

1.2.2.2 Unit of Measure

Unit of measure: job

1.2.3 CLIN 0003: Analyze Stator Frame for Suitability for Continued Service with The New Core, Keybars, and Core Clamping System

1.2.3.1 Payment

Payment will be made in a lump sum for costs associated with the analysis of the stator frame for suitability for continued service with the new core, keybars, and core clamping. For additional information see SECTION 48 13 16.00 26.

1.2.3.2 Unit of Measure

Unit of measure: job

1.2.4 CLIN 0005: Design, Manufacture, and Perform Voltage Endurance Testing on 4 Prototype Coils

1.2.4.1 Payment

Payment will be made in a lump sum for costs associated with the design, manufacturing and testing of the the four prototype coils. For additional information see SECTION 48 13 16.00 26.

1.2.4.2 Unit of Measure

Unit of measure: job

1.2.5 CLIN 0006: Manufacture and Perform Thermal Cycle Testing on 5 Prototype Coils

1.2.5.1 Payment

Payment will be made in a lump sum for costs associated with the manufacturing and testing of the the five prototype coils. For additional information see SECTION 48 13 16.00 26.

1.2.5.2 Unit of Measure

Unit of measure: job

1.2.6 CLIN 0008: Furnish Spare Parts

1.2.6.1 Payment

Payment will be made in a lump sum for costs associated with furnishing spare parts. For additional information see SECTIONS 26 05 00.00 26 and 48 13 16.00 26.

1.2.6.2 Unit of Measure

Unit of measure: job

1.2.7 CLIN 0013: Perform Generator Special Field Tests

1.2.7.1 Payment

Payment will be made in a lump sum for costs associated with performing the generator special field tests. For additional information see SECTION 48 13 16.00 26.

1.2.7.2 Unit of Measure

Unit of measure: job

1.2.8 CLIN 0016: Inspect and Load Test Tandem Lifting Beam and Lifting Devices

1.2.8.1 Payment

Payment will include the inspection, load testing and certification of the tandem lifting beam and existing below the hook lifting devices. Price and payment constitutes full compensation for the furnishing of all material, labor and equipment to perform the inspection, load testing, painting, certification and tagging of the lifting beam and lifting devices. For additional information see SECTION 41 01 20.76 26.

1.2.8.2 Unit of Measure

Unit of Measure: job

1.2.9 CLIN 0018: Operational Testing of Unit 4 Prior to Disassembly

1.2.9.1 Payment

Payment will be made in a lump sum for costs associated with operational wet testing of Unit 4. For additional information see SECTION 48 13 13.02 26.

1.2.9.2 Unit of Measure

Unit of measure: job

1.2.10 CLIN 0022: Inspect Spare Turbine Guide Bearing

1.2.10.1 Payment

Payment will be made in a lump sum for costs associated with inspecting one spare turbine guide bearing in accordance with SECTION 48 13 13.07 26 of this contract.

1.2.10.2 Unit of Measure

Unit of measure: job

1.2.11 CLIN 0023: Inspect Spare Generator Guide Bearing

1.2.11.1 Payment

Payment will be made in a lump sum for costs associated with inspecting one spare generator guide bearing in accordance with SECTION 48 13 13.07 26 of this contract.

1.2.12 CLIN 0024: Inspect Spare Thrust Bearing

1.2.12.1 Payment

Payment will be made in a lump sum for costs associated with inspecting one spare thrust bearing in accordance with SECTION 48 13 13.06 26 of this contract.

1.2.12.2 Unit of Measure

Unit of measure: job

1.2.13 CLIN 0025: Machine Reference Bands in Turbine Guide Bearing Housing

1.2.13.1 Payment

Payment will be made in a lump sum for all costs associated with the machining of two reference bands in the Turbine Guide Bearing Housing inner diameter for each Unit in accordance with SECTION 48 13 13.07 26 of this contract. Payment shall include the cost of packaging and shipping of the turbine guide bearing housing as well as all necessary labor, materials, and equipment required to complete the work.

1.2.13.2 Unit of Measure

Unit of measure: jobEACH

1.2.14 CLIN 0026: Install Shaft Sleeve

1.2.14.1 Payment

Payment shall be full compensation for labor, materials, and equipment for installation of the existing spare shaft sleeve, as described in SECTION 48 13 13.04 26.

1.2.14.2 Unit of Measure

1.2.15 CLIN 0027: Perform Model Validation Testing

1.2.15.1 Payment

Payment shall be full compensation for labor, materials, and equipment for performing the model validation testing as described in Section 48 70 01.00 26

1.2.15.2 Unit of Measure

Unit of Measure: job

1.3 UNIT PRICE PAYMENT ITEMS

Payment items for the work of this contract on which the contract unit price payments will be made are listed in the PRICING SCHEDULE and described below. The unit price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for each of the unit price items.

1.3.1 CLIN 0004: Inspect and Evaluate Stator Frame Sole Plates Prior to Disassembly

1.3.1.1 Payment

Payment will include the inspection and evaluation of the stator frame sole plates, the condition of the frame and sole plate interface and developing options to improve the fit and function as necessary, and verifying the torque of foundation anchors and hold-down bolts. For additional information see SECTION 48 13 16.00 26.

1.3.1.2 Unit of Measure

Unit of measure: each

1.3.2 CLIN 0007: Furnish Complete Set Of Stator Coils Including Supplies and Accessories For A Complete New Winding Including Factory Testing

1.3.2.1 Payment

Payment will include the furnishing of a complete set of stator coils including supplies and accessories. For additional information see SECTION 48 13 16.00 26.

1.3.2.2 Unit of Measure

Unit of measure: each

1.3.3 CLIN 0009: Remove Stator Windings and Stator Cores

1.3.3.1 Payment

Payment will include the removal of the stator winding and stator core. For additional information see SECTION 48 13 16.00 26.

1.3.3.2 Unit of Measure

Unit of measure: each

1.3.4 CLIN 0010: Furnish, Install, and Test New Stator Cores

1.3.4.1 Payment

Payment will include the furnishing, installation, and testing of new stator cores. For additional information see SECTION 48 13 16.00 26.

1.3.4.2 Unit of Measure

Unit of measure: each

1.3.5 CLIN 0011: Clean and Inspect Rotor, Reinsulate Rotor Field Leads, and Test Rotor Field Windings

1.3.5.1 Payment

Payment will include cleaning and inspecting the rotors, reinsulating the rotor field leads, and testing the rotor field winding. For additional information see SECTION 48 13 16.00 26.

1.3.5.2 Unit of Measure

Unit of measure: each

1.3.6 CLIN 0012: Install and Test New Stator Windings

1.3.6.1 Payment

Payment will include installing and testing new stator windings. For additional information see SECTION 48 13 16.00 26.

1.3.6.2 Unit of Measure

Unit of measure: each

1.3.7 CLIN 0014: Perform Start-Up, Commissioning, and Testing of The Generator

1.3.7.1 Payment

Payment will include performing start-up, commissioning, and testing of the generator. For additional information see SECTION 01 91 00.00 26.

1.3.7.2 Unit of Measure

Unit of measure: each

1.3.8 CLIN 0015: Furnish and Install General Field Wiring, RTDs, Conduit, Gauges, and Switches

1.3.8.1 Payment

Payment will include the furnishing and installing of general field wiring, RTDs, conduit, gauges, and switches. For additional information see SECTION 26 05 00.00 26.

1.3.8.2 Unit of Measure

Unit of measure: each

1.3.9 CLIN 0017: Disassembly of Generating Unit Including Inspections of Components

1.3.9.1 Payment

Payment will include, labor, material, and equipment required to disassemble the generating unit, perform disassembly measurements, cleaning, and inspections in accordance with the Contractor's approved disassembly procedure, in accordance with the specifications. For additional information see SECTION 48 13 13.02 26.

1.3.9.2 Unit of Measure

Unit of measure: each

1.3.10 CLIN 0019 Reassembly of Generating Unit

1.3.10.1 Payment

payment will include, labor, material, and equipment required to reassemble the generating unit including all new fasteners, sealing between mating surfaces, adjustments, performing reassembly measurements, and alignments in accordance with the Contractor's approved reassembly procedure, in accordance with the specifications. For additional information see SECTION 48 13 13.02 26.

1.3.10.2 Unit of Measure

Unit of measure: each

1.3.11 CLIN 0020: Operational Testing After Reassembly of Unit

1.3.11.1 Payment

Payment will include, labor, material, and equipment required to perform testing after reassembly of the generating unit in accordance with the specifications. For additional information see SECTION 48 13 13.02 26

1.3.11.2 Unit of Measure

Unit of measure: each

1.3.12 CLIN 0021: Rotor Balancing

1.3.12.1 Payment

Payment shall be full compensation for labor, materials, and equipment for the design of a rotor balancing procedure and provision of rotor balancing weights, as described in SECTIONS 01 91 00.00 26 and 48 13 13.02 26.

Installation of the weights will be at the option of the Government, and would be paid for under the appropriate optional time and materials CLIN..

1.3.12.2 Unit of Measure

Unit of measure: each

1.4 UNIT PRICE OPTIONAL PAYMENT ITEMS

1.4.1 CLIN 0028a: Miscellaneous Welding (Optional)

1.4.1.1 Payment

If the Government authorizes this optional item, payment will be made at the contract unit price per pound. This price and payment shall be full compensation for furnishing all labor, materials, and equipment for performing miscellaneous welding as directed in section 48 13 13.11 of this contract. When directed to perform welding under this item, the welding rod or wire for the work shall be weighed in the presence of a Government Inspector. Upon completion of the work, the rod studs and unused rods or wire shall be weighed in the presence of a Government Inspector and the difference in weight between the rods or wire issued and the studs and rods or wire returned shall be the amount for payment. If the number of studs plus the unused rods does not equal the number of rods issued, the weight of one rod shall be deducted for each rod unaccounted for. For more information refer to SECTION 05 05 23.20 26 and SECTION 48 13 13.11 26.

1.4.1.2 Unit of Measure

Unit of measure: pounds

1.4.2 CLIN 0028b: Welding Services (Optional)

1.4.2.1 Payment

If the Government authorizes this optional item, payment for welding services will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost.

Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 05 05 23.20 26 and SECTION 48 13 13.11 26.

1.4.2.2 Unit of Measure

Unit of measure: hours

1.4.3 CLIN 0028c: Machinist Hire (Optional)

1.4.3.1 Payment

If the Government authorizes this optional item, payment for machinist hire will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer.

Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 05 05 03.20 26 and SECTION 48 13 13.11 26.

1.4.3.2 Unit of Measure

Unit of measure: hours

1.4.4 CLIN 0028d: Electrician Hire (Optional)

1.4.4.1 Payment

If the Government authorizes this optional item, payment for electrician hire will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost.

Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 48 13 13.11 26.

1.4.4.2 Unit of Measure

Unit of measure: hours

1.4.5 CLIN 0028e: Painter Hire (Optional)

1.4.5.1 Payment

If the Government authorizes this optional item, payment for painter hire will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer.

Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 09 90 00.01 26 and SECTION 48 13 13.11 26.

1.4.5.2 Unit of Measure

Unit of measure: hours

1.4.6 CLIN 0028f: Millwright Hire (Optional)

1.4.6.1 Payment

If the Government authorizes this optional item, payment for millwright hire will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 48 13 13.11 26.

1.4.6.2 Unit of Measure

Unit of measure: hours

1.4.7 CLIN 0028g: General Laborer Hire (Optional)

1.4.7.1 Payment

If the Government authorizes this optional item, payment for general laborer hire will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 48 13 13.11 26.

1.4.7.2 Unit of Measure

Unit of measure: hours

1.4.8 CLIN 0028h: Liquid Penetrant Method (Optional)

1.4.8.1 Payment

If the Government authorizes this optional item, payment for liquid penetrant method will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 05 05 33.20 26 and SECTION 48 13 13.11 26.

1.4.8.2 Unit of Measure

Unit of measure: hours

1.4.9 CLIN 0028i: Magnetic Particle Method (Optional)

1.4.9.1 Payment

If the Government authorizes this optional item, payment for magnetic particle method will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 05 05 33.20 26 and SECTION 48 13 13.11 26.

1.4.9.2 Unit of Measure

Unit of measure: hours

1.4.10 CLIN 0028j: Ultrasonic Method (Optional)

1.4.10.1 Payment

If the Government authorizes this optional item, payment for ultrasonic method will be made on an hourly basis. Payment shall include labor, materials, and equipment as required in accordance with section 48 13 13.11 of this contract. Payment for the Time and Material (T&M) line items will be as specified in Contract Clause 52.232-7, Payment Under Time-and-Materials and Labor-Hour Contracts. In addition to the basis for the labor rate specified in the clause (wages, indirect costs, G&A expenses, and profit), the contract rates shall include all superintendence for subcontractors and cost for consumables and small tools required to complete the required repairs. The Government will pay the contractor 1.5 times the quoted hourly rate for all overtime work approved in advance by the Contracting Officer. Materials that are directly consumed in connection with the furnishing of the labor hours accomplished under the T&M line item will be reimbursed at cost, plus 10% for material handling cost. Reimbursement will be limited to the direct cost of materials in excess of the amount paid under the labor hour rates and will be reimburse to the extent supported by invoice cost and previously approved for use by the Contracting Officer. For more information refer to SECTION 05 05 33.20 26 and SECTION 48 13 13.11 26.

1.4.10.2 Unit of Measure

Unit of measure: hours

1.4.11 CLIN 0029: Ship and Refurbish Generator Guide Bearing Pads (Optional)

1.4.11.1 Payment

If the Government authorizes this optional item, payment for shipping shall include labor, materials, and equipment required to package and ship one set of generator guide bearing pads in accordance with SECTION 48 13 13.07 26 of this contract.

1.4.11.2 Unit of Measure

Unit of measure: each

1.4.12 CLIN 0030: Ship and Refurbish Turbine Guide Bearing (Optional)

1.4.12.1 Payment

If the Government authorizes this optional item, payment for shipping and refurbishment shall include labor, materials, and equipment required to package and ship one turbine guide bearing and refurbish it in accordance with SECTION 48 13 13.07 26 of this contract.

1.4.12.2 Unit of Measure

Unit of measure: each

1.4.13 CLIN 0031: Refurbish Turbine Guide Bearing Housing Spigot Fits (Optional)

1.4.13.1 Payment

If the Government authorizes this optional item, payment shall include labor, materials, and equipment required to refurbish one turbine guide bearing housing OD spigot fit areas in accordance with SECTION 48 13 13.07 26 of this contract.

1.4.13.2 Unit of Measure

Unit of measure: each

1.4.14 CLIN 0032: Ship and Refurbish Spare Generator Guide Bearing Pads (Optional)

1.4.14.1 Payment

If the Government authorizes this optional item, payment shall be made in one lump sum for shipping and refurbishment to include labor, materials, and equipment required to package and ship one set of spare generator guide bearing pads and refurbish them in accordance with SECTION 48 13 13.07 26 of this contract.

1.4.14.2 Unit of Measure

Unit of measure: job

1.4.15 CLIN 0033: Ship and Refurbish Spare Turbine Guide Bearing (Optional)

1.4.15.1 Payment

If the Government authorizes this optional item, payment shall be made in one lump sum for shipping and refurbishment to include labor, materials, and equipment required to package and ship one spare turbine guide bearing and refurbish it in accordance with SECTION 48 13 13.07 26 of this contract.

1.4.15.2 Unit of Measure

1.4.16 CLIN 0034: Ship and Refurbish Spare Thrust Bearing Shoes (Optional)

1.4.16.1 Payment

If the Government authorizes this optional item, payment shall be made in one lump sum for shipping and refurbishment to include all labor, materials, and equipment required to package and ship one set of thrust bearing shoes and refurbish them in accordance with SECTION 48 13 13.06 26 of this contract.

1.4.16.2 Unit of Measure

Unit of measure: job

1.4.17 CLIN 0035: Replace Packing Box (Optional)

1.4.17.1 Payment

Cleaning and inspection of the existing packing box shall be performed according to 48 13 13.02 26; payment for cleaning and inspection of the existing packing box falls under CLIN 0017: Disassembly of Generating Unit.

Replacement of the packing box will be at the discretion of the Government pending the as-found inspection results. If the Government authorizes this optional item, payment for furnishing of a new packing box shall include all design, labor, materials, and equipment required to replace one packing box and integral components in accordance with SECTION 48 13 13.04 26 of this contract.

1.4.17.2 Unit of Measure

Unit of measure: each

1.4.18 CLIN 0036: Miscellaneous Parts and Materials (Optional)

1.4.18.1 Payment

If the Government authorizes this optional item, payment shall be made in a lump sum.

1.4.18.2 Unit of Measure

Unit of measure: job

1.4.19 CLIN 0037: Furnish and Install Complete New Base Machine Condition Monitoring System (Optional)

1.4.19.1 Payment

If the Government authorizes this optional item, payment will include the furnishing and installation of new machine condition monitoring systems for units 3 and 4. Price and payment will constitute full compensation for furnishing of all material, labor and equipment for a machine condition monitoring system capable of measuring rotor air gap and guide bearing shaft vibration. For more information refer to SECTION 48 13 16.02 26.

1.4.19.2 Unit of Measure

Unit of measure: each

1.4.20 CLIN 0038: Furnish and Install Supplemental Machine Condition Monitoring for Stator Vibration (Optional

1.4.20.1 Payment

If the Government authorizes this optional item, payment will include the furnishing and installation of stator vibration machine condition monitoring that is supplemental to the air gap and guide bearing vibration machine condition monitoring systems for units 3 and 4. Price and payment will constitute full compensation for furnishing of all material, labor and equipment for additional machine condition monitoring capabilities of measuring stator end-winding vibration, stator core vibration, and stator frame position. For more information refer to SECTION 48 13 16.02 26.

1.4.20.2 Unit of Measure

Unit of measure: each

1.4.21 CLIN 0039: Rotor Pole Refurbishment (Optional)

1.4.21.1 Payment

If the Government authorizes this optional item, payment will include the refurbishment of the rotor poles for Units 3 and 4. Price and payment will constitute full compensation for furnishing of all material, labor, and equipment to complete refurbishment of the rotor poles. For more information refer to SECTION 48 13 16.00 26.

1.4.21.2 Unit of Measure

Unit of measure: each

1.4.22 CLIN 0040: Tandem Lifting Beam (Optional)

1.4.22.1 Payment

If the Government authorizes this optional item, payment will include the replacement of the existing Tandem Lifting Beam. Price and payment will constitute full compensation for furnishing of all material, labor, and equipment to complete the design, fabrication, inspection and load testing of a new Tandem Lifting Beam. For more information refer to SECTION 41 01 20.76 26.

1.4.22.2 Unit of Measure

Unit of measure: each

1.4.23 CLIN 0041: Hydraulic Turbine Lifting Device (Optional)

1.4.23.1 Payment

If the Government authorizes this optional item, payment will include the replacement of the existing Hydraulic Turbine Lifting Device. Price and payment will constitute full compensation for furnishing of all material, labor, and equipment to complete the design, fabrication, inspection and load testing of a new Hydraulic Turbine Lifting Device. For more information refer to SECTION 41 01 20.76 26.

1.4.23.2 Unit of Measure

Unit of measure: each

1.4.24 CLIN 0042: Generator Shaft Lifting Device (Optional)

1.4.24.1 Payment

If the Government authorizes this optional item, payment will include the replacement of the existing Generator Shaft Lifting Device. Price and payment will constitute full compensation for furnishing of all material, labor, and equipment to complete the design, fabrication, inspection and load testing of a new Generator Shaft Lifting Device. For more information refer to SECTION 41 01 20.76 26.

1.4.24.2 Unit of Measure

Unit of measure: each

1.4.25 CLIN 0043: Rotor Lifting Device (Optional)

1.4.25.1 Payment

If the Government authorizes this optional item, payment will include the replacement of the existing Rotor Lifting Device. Price and payment will constitute full compensation for furnishing of all material, labor, and equipment to complete the design, fabrication, inspection and load testing of a new Rotor Lifting Device. For more information refer to SECTION 41 01 20.76 26.

1.4.25.2 Unit of Measure

Unit of measure: each

1.4.26 CLIN 0044: Furnish and Install Turbine Shaft Sleeve (Optional)

1.4.26.1 Payment

Payment will include, labor, material, and equipment required to furnish the shaft sleeves, mandrel, fasteners, keys, and compression clamps used for manufacture, including installation and in accordance with the specifications. For additional information see SECTION 48 13 13.04 26.

1.4.26.2 Measurement

Unit of measure: job

1.4.27 CLIN 0045: Furnish New Spare Turbine Shaft Sleeve (Optional)

1.4.27.1 Payment

Payment shall include labor, material, and equipment required to manufacture the shaft sleeve in accordance with the specifications and delivery to the Project. For additional information see SECTION 48 13 13.04 26.

1.4.27.2 Measurement

Unit of measure: job

PART 2 PRODUCTS

Not Used

PART 3 EXECUTION

3.1 CONTRACT COST BREAKDOWN

The Contractor must furnish within 30 days after the date of Notice to Proceed, and prior to the submission of its first partial payment estimate, a breakdown of its single job pay item or items which will be reviewed by the Contracting Officer as to propriety of distribution of the total cost to the various accounts. Any unbalanced items as between early and late payment items or other discrepancies will be revised by the Contracting Officer to agree with a reasonable cost of the work included in the various items. This contract cost breakdown will then be utilized as the basis for progress payments to the Contractor.

-- End of Section --

SECTION 48 13 16.00 26

REWIND OF HYDRAULIC-TURBINE DRIVEN GENERATORS

04/29/2020

PART 1 GENERAL

1.1 GENERAL INFORMATION

This Section covers the following work at Hartwell Powerhouse Units 3 and 4:

a. Perform an electromagnetic finite element analysis of the proposed winding and core design to demonstrate that the design minimizes air-gap flux induced stator core vibrations at fundamental and harmonic frequencies

b. Analyze the existing frame for suitability for continued service with the new core, keybars, and core clamping system

c. Inspect and evaluate the stator frame sole plates, condition of the frame and sole plate interface and develop options to improve the fit and function as necessary, and verify torque of foundation anchors and hold-down bolts.

d. Design, manufacture, and perform voltage endurance testing on 4 prototype coils

e. Manufacture and perform thermal cycle testing on 5 prototype coils

f. Design, manufacture, shop test, prepare and load for shipment, deliver f.o.b. destination, and unload two complete sets of stator windings and all accessories

g. Remove stator windings, stator cores and stator core clamping systems

h. Furnish and install new circuit rings

i. Furnish and install new surge rings

j. Furnish and install new neutral current transformers

k. Furnish and install surge arresters

l. Furnish, install and test two new stator cores and core clamping systems

m. Install and test two new stator windings and accessories

n. Clean and inspect rotors, reinsulate rotor field leads, and test rotor field windings

o. Reinsulate rotor field leads

p. Furnish spare parts

q. Perform generator special field tests

r. At the optional of the Government, refurbish rotor poles

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

ASTM INTERNATIONAL (ASTM)

ASTM A 343 (2014) Standard Test Method for Alternating-Current Magnetic Properties of Materials at Power Frequencies using Wattmeter-Ammeter-Voltmeter Method and 25-cm Epstein Test Frame

ASTM A 717 (2012; R2018) Standard Test Method for Surface Insulation Resistivity of Single-Strip Specimens

ASTM A 720 (2002; R 2016) Standard Test Method for Ductility of Nonoriented Electrical Steel

ASTM D 1868 (2013) Standard Test Method for Detection and Measurement of Partial Discharge (Corona) Pulses in Evaluation of Insulation Systems

AMERICAN WELDING SOCIETY (AWS)

AWS A5.8/A5.8M (2012) Specification for Filler Metals for Brazing and Braze Welding

CEATI INTERNATIONAL (CEATI)

CEATI T052700 0329 (2008) Hydroelectric Turbine-Generator Units Guide for Erection Tolerances and Shaft System Alignment

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 43 (2013) Recommended Practice for Testing Insulation Resistance of Rotating Machinery

IEEE 56 (2016) Guide for Insulation Maintenance of Electric Machines

IEEE 95 (2002; R 2012) Recommended Practice for Insulation Testing of Large AC Rotating Machinery with High Direct Voltage

IEEE 115 (2009) Guide for Test Procedures for Synchronous Machines: Part I Acceptance and Performance Testing; Part II Test Procedures and Parameter Determination for Dynamic Analysis

IEEE 286 (2000; R 2012) Recommended Practice for Measurement of Power Factor Tip-Up of Electric Machinery Stator Coil Insulation

IEEE 522 (2004; R 2009) Guide for Testing Turn Insulation of Form-Wound Stator Coils for Alternating Electric Machines

IEEE 1043 (1996; R 2009) Recommended Practice for Voltage-Endurance Testing of Form-Wound Bars and Coils

IEEE 1310 (2012) Recommended Practice for Thermal Cycle Testing of Form-Wound Stator Bars and Coils for Large Rotating Machines

IEEE 1434 (2014) Guide for the Measurement of Partial Discharges in AC Electric Machinery

IEEE 1553 (2002; R 2007) Standard for Voltage-Endurance Testing of Form-Wound Coils and Bars for Hydrogenerators

IEEE 1799 (2012) Recommended Practice for Quality Control Testing of External Discharges on Stator Coils, Bars, and Windings

IEEE C50.12 (2005; R 2010) Standard for Salient Pole 50 HZ and 60 Hz Synchronous Generators and Generation/Motors for Hydraulic Turbine Applications Rated 5 MVA and above

IEEE C57.13 (2018) Standard Requirements for Instrument Transformers

IEEE C57.13.1 (2016) Guide for Field Testing of Relaying Current Transformers

IEEE C62.11 (2012) Standard for Metal-Oxide Surge Arresters for Alternating Current Power Circuits (>1kV)

IEEE C62.21 (2003; R2009; Errata 2006; Corr 1 2008) Guide for the Application of Surge Voltage Protective Equipment on AC Rotating Machinery 1000 V and Greater

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA FI 1 (2004) Manufactured Electrical Mica

NEMA LA 1 (1992; R 1999) Surge Arresters

NEMA LI 1 (1998; R 2011) Industrial Laminating Thermosetting Products

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2017) National Electrical Code

Occupational Safety and Health Act (OSHA)

54 CFR 2920 (1970) Williams Steiger Occupational Safety and Health Act

1.3 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals having an "I" are for information only. Designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00, SUBMITTAL PROCEDURES.

SD-01 Preconstruction Submittals;

Within 60 calendar days after receipt of written notice to proceed (NTP) with the rewinds:

Stator Winding Warranty Details; I, HDC

Stator Coil Facility; G, HDC

Stator Coil Voltage Endurance Test Facility; G, HDC

Thermal Cycling Testing Facility; G, HDC

Design Information on Surge Arresters; G HDC

Within 150 calendar days after receipt of written notice to proceed (NTP) with the rewinds

Stator Frame Analysis; G, HDC

Electromagnetic Finite Element Analysis of the Proposed Winding and Core Design; G, HDC

Within 150 calendar days after receipt of written notice to proceed (NTP) with the rewinds:

Stator Design Review Meeting; I

Within 30 calendar days after receipt of written notice to proceed (NTP) with the core replacement:

Lamination Manufacturing Facility; G, HDC

SD-02 Shop Drawings

Include a parts list in shop drawings as appropriate.

Within 60 calendar days after receipt of written notice to proceed (NTP) with the rewinds:

Cross-Sectional View of Stator Coils; G, HDC

Exterior Dimensions of Stator Coils; G, HDC

Winding Diagram; G, HDC

Connection Details; G, HDC

Winding Bracing Configuration; G, HDC

Circuit Ring Configuration and Dimensions; G, HDC

Surge Rings; G, HDC

Main and Neutral Lead…