B.08.03 Amendment 0004 W912EF22R0015 McNary DUE System Rehab.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced 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)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The purpose of this amendent is to incorporate the changes outlined below .

1. CONTRACT ID CODE PAGE OF PAGES

1 4

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

16C. DATE SIGNED

BY 06-Oct-2022

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

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

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912EF22R0015

X 9B. DATED (SEE ITEM 11)

18-Aug-2022

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer 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 1 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 ACKNOWLEDGMENT 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 THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE 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.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

06-Oct-2022

CODE

USAED, WALLA WALLA - CONTRACTING DIV.

HILLARY A. MORGAN

201 N. THIRD AVENUE

WALLA WALLA WA 99362

W912EF 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912EF22R0015

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Summary of changes for Amend - 0004 McNary Powerhouse Drainage, Unwatering, and Equalization System Rehabilitation

1. Revised the following Specifications (See revised specification for details):

a. SECTION 00 01 15.00 28 LIST OF DRAWINGS

• Revised Paragraph 1.2 CONTRACT DRAWINGS.

• Revised Paragraph 1.3 RESOURCE DRAWINGS (R).

b. SECTION 01 14 00.10 28 PROJECT SITE RESTRICTIONS.

• Revised Paragraph 1.10.2 "Government's Work Schedule".

c. SECTION 01 14 00.20 28 WORK AND OPERATIONAL RESTRICTIONS

• Revised Paragraph 1.2 GENERAL REQUIREMENTS.

• Revised Paragraph 1.3 PHASE 1 - DRAINAGE SYSTEM AND MAIN TURBINE

UNIT VALVE UPGRADES.

d. SECTION 01 22 00.00 28 MEASUREMENT AND PAYMENT

• Revised Paragraph 1.3 CLIN 0002 UNWATERING PUMP AND DRAINAGE PUMP

SYSTEM REHABILITATION.

e. SECTION 43 23 31.13 28 POWERHOUSE UNWATERING PUMPS

• Revised Paragraph 2.1.1 "Type of Installation".

• Revised Paragraph 3.2 INSTALLATION AND REMOVAL.

2. Revised the following Drawings (See clouded areas for revisions).

a. SHEET G-002

b. SHEET MD401

3. Added the following Drawing.

a. SHEET R-045

4. Revised the following Clauses:

a. 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK

b. 52.211-12 LIQUIDATED DAMAGES--CONSTRUCTION

Revision numbers and dates for Amend-0004 have been added:

See Yellow Highlights

SECTION 00 70 00 - CONDITIONS OF THE CONTRACT

The following have been modified:

52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK (APR 1984)

The Contractor shall be required to

(a) Commence work under this contract within 10 calendar days after the date the Contractor receives the notice to proceed,

(b) Prosecute the work diligently, and

(c) Complete the entire work ready for use not later than the dates listed below:

ADULT FISH PASSAGE WORK WINDOW: 1 January through 28/29 February, annually.

• Project annual maintenance on McNary Fishladders occurs during the Adult Fish Passage Work Window.

One fishladder at a time will be removed from service during the work window: each for one month, typical. Anticipated Fishladders outage periods are as follows:

o Washington Fishladder outages: January 2023, February 2024.

o Oregon Fishladder outages: February 2023, January 2024.

See SECTION 01 14 00.20 28 WORK AND OPERATIONAL RESTRICTIONS for additional information and required work for each Work Phase below.

(1) The Contractor shall complete all work for the Drainage, Unwatering, and Equalization System Rehabilitation by not later than the dates listed below.

(2) Work on this contract is phased and must be completed in the specified order and within the specified time. All required work must be completed within the specified Phase, fully operational, and commissioned prior to beginning work on the next Phase, unless approved otherwise, in writing, by the Contracting Officer.

a. Phase 1 – Drainage System and Main Turbine Unit Valve Upgrades.

b. Phase 2 – Unwatering System Upgrades.

c. Phase 3 – Station Service Turbine Unit Valve Upgrades.

d. The Contractor shall complete all work for Phase 1 and Phase 2, including commissioning, by not later than

30 April 2024.

e. The Contractor shall complete all work for Phase 3, including commissioning, by not later than 30 June

2024.

(3) All work for the Unwatering System Isolation Valve Replacement (including the 90 degree bend immediately downstream of the valve) must occur during the Adult Fish Passage Work Window 2024. Coordinate Contractor work window dates with the Contracting Officer a minimum of 120 calendar days prior to start of the Adult Fish Passage Work Window 2024. Assume the following:

a. 7 calendar day Contractor work window.

b. Contractor work window timeframe will be coordinated to allow Project annual maintenance on the Washington and Oregon Fishladders, as well as all Contractor work (including all diving) required for the Isolation Valve Replacement.

(4) Government support is limited between 20 December and 2 January, annually. No additional Main Turbine Units will be removed from service, or returned to service, during this time unless approved in writing by the Contracting Officer.

(5) The Contractor shall complete final cleanup and demobilization by not later than 15 calendar days after completion of work in (2)e. above.

(6) The Contractor shall complete the final, approved submission of the following by not later than 30 calendar days after completion of work in (2)e. above. See SECTION 01 78 00.00 28 CLOSEOUT SUBMITTALS for additional information:

a. O&M manuals.

b. As-Built drawings.

c. Shop Drawings.

d. Record Drawings.

e. Spare Parts submission.

(End of Clause)

52.211-12 LIQUIDATED DAMAGES--CONSTRUCTION (SEP 2000)

(a) If the Contractor fails to complete the work within the time specified in subparagraph (c)(2)e in the contract clause 52.211-10, Commencement, Persecution and Completion of Work, the Contractor shall pay liquidated damages to the Government in the amount of $2,967.00 for each calendar day of delay until the work is completed or accepted.

(b) If the Government terminates the Contractor's right to proceed, liquidated damages will continue to accrue until the work is completed. These liquidated damages are in addition to excess costs of repurchase under the Termination clause.

(End of clause)

(End of Summary of Changes)

MNA Powerhouse Drainage_Unwatering_Equalization System Rehab W912EF22R0015 Amend-0004

SECTION TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

SECTION 00 01 15.00 28

LIST OF DRAWINGS

PART 1 GENERAL

1.1 SUMMARY

1.2 CONTRACT DRAWINGS

1.2.1 Use Of Government Prepared Contract CAD Electronic Files

1.3 RESOURCE DRAWINGS (R)

-- End of Section Table of Contents --

DOCUMENT 00 01 15.00 28

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DOCUMENT 00 01 15.00 28

SECTION 00 01 15.00 28

LIST OF DRAWINGS

PART 1 GENERAL

1.1 SUMMARY

This section lists the drawings for the project pursuant to contract clause "DFARS 252.236-7001, Contract Drawings, Maps and Specifications."

1.2 CONTRACT DRAWINGS

Contract drawings are as follows:

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

GENERAL

G-001 COVER SHEET AND LOCATION MAPS MDG-1-0-0/669

G-002 SHEET INDEX MDG-1-0-0/670 1 10/2022

G-101 GENERAL SITE PLAN MDG-1-0-0/671

G-102 POWERHOUSE STAGING AND STORAGE BETWEEN MAIN

UNITS 4 AND 5 EL. 287 AND NEAR PUMP WORK

AREA EL. 235

MDG-1-0-0/672

G-103 POWERHOUSE DELIVERY ROUTE MDG-1-0-0/673

STRUCTURAL

S-001 GENERAL NOTES AND ISOMETRICS MDP-1-5-17/1

SD101 CONCRETE DEMOLITION MDP-1-5-17/2 1 09/2022

S-101 GUARDRAIL PLAN, SECTION AND DETAIL MDP-1-5-17/3

S-102 PLAN MDP-1-5-17/4

S-201 ELEVATION MDP-1-5-17/5

S-501 DRAINAGE PUMP SEISMIC BRACE DETAILS MDP-1-5-17/6

S-502 DRAINAGE PUMP SEISMIC BRACE DETAILS MDP-1-5-17/7

DOCUMENT 00 01 15.00 28

G4EDHCMP

Line

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

MECHANICAL

MD101 EXISTING DRAINAGE AND UNWATERING PUMPS DEMO

SHEET

MDP-1-3-17/1

MD201 DRAINAGE PUMP AND DISCHARGE PIPE DEMO SHEET MDP-1-3-17/2

MD202 UNWATERING PUMPS AND DISCHARGE PIPE DEMO

SHEET

MDP-1-3-17/3

MD203 PVC DRAINAGE HEADER DEMO SHEET MDP-1-3-17/4

MD204 PENSTOCK ELEVATION VIEWS DEMO SHEET MDP-1-3-17/5

MD401 MISC. PIPING FOR MAIN UNIT BAYS SECTIONS &

DETAILS

MDP-1-3-17/6 1 10/2022

MD402 UNWATERING PIPE DEMO MDP-1-3-17/7

MD403 STATION SERVICE DRAFT TUBE DRAINS DEMO MDP-1-3-17/8

M-101 PLAN VIEW EL. 235 DRAINAGE AND UNWATERING

PUMPS

MDP-1-3-17/9 1 09/2022

M-102 PLAN VIEW EL. 207 GALLERY VALVES MDP-1-3-17/10

M-201 DRAINAGE PUMP AND PIPING ELEVATION VIEWS MDP-1-3-17/11 1 09/2022

M-202 UNWATERING PUMPS AND PIPING ELEVATION VIEWS MDP-1-3-17/12 1 09/2022

M-203 PENSTOCK ELEVATION VIEWS MDP-1-3-17/13

M-401 UNWATERING PIPE DETAILS MDP-1-3-17/14

M-402 DRAFT TUBE SCROLL CASE AND EQUALIZER VALVES MDP-1-3-17/15

M-403 STATION SERVICE DRAFT TUBE DRAINS MDP-1-3-17/16

M-501 MECHANICAL DETAILS MDP-1-3-17/17

M-502 MECHANICAL DETAIL COLLECTION BAFFLE MDP-1-3-17/18

M-601 POWERHOUSE VALVE SCHEDULE MDP-1-3-17/23

M-901 UNWATERING PUMPS ISOMETRIC MDP-1-3-17/19

M-902 MECHANICAL PHOTOS 1 MDP-1-3-17/20

M-903 MECHANICAL PHOTOS 2 MDP-1-3-17/21

DOCUMENT 00 01 15.00 28

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

M-904 MECHANICAL PHOTOS 3 MDP-1-3-17/22

ELECTRICAL

E-001 LEGENDS AND ABBREVIATIONS MDP-1-6-17/88

ED101 UNWATERING PUMP MOTOR EQUIPMENT DEMOLITION

PLAN

MDP-1-6-17/89

ED201 UNWATERING PUMP MOTOR EQUIPMENT DEMOLITION MDP-1-6-17/90

ED601 DEMOLITION CABLE AND CONDUIT SCHEDULE MDP-1-6-17/91

ED602 DEMOLITION SP2C CONTROLS WIRING MDP-1-6-17/92

ED801 DEMOLITION CABLE AND CONDUIT SCHEDULE MDP-1-6-17/93

E-101 UNWATERING PUMP MOTOR EQUIPMENT PLAN EL.

235.5

MDP-1-6-17/94

E-102 PLAN: CONTROL ROOM LAYOUT EL. 305 MDP-1-6-17/95

E-201 UNWATERING PUMP MOTOR MCC ELEVATION VIEW MDP-1-6-17/96

E-501 SQO2C PLC ENCLOSURE DETAIL MDP-1-6-17/97

E-502 UNWATERING PUMP MOTOR OPERATION DETAILS MDP-1-6-17/98

E-601 SQO2 UNWATERING PUMP MOTOR CONTROL CENTER

ONELINE DIAGRAM

MDP-1-6-17/99

E-602 ELECTRICAL BLOCK DIAGRAM MDP-1-6-17/100

E-603 PUMP CONTROL DIAGRAM PUMP MOTOR CONTROLLER

SCHEMATIC

MDP-1-6-17/101

E-604 PUMP CONTROL DIAGRAM BACKUP CONTROLS AND

POWER SUPPLY

MDP-1-6-17/102

E-605 PUMP CONTROL DIAGRAM DISCRETE PLC I/O MDP-1-6-17/103

E-606 PUMP CONTROL DIAGRAM PLC ANALOG INPUTS MDP-1-6-17/104

E-607 PUMP CONTROL DIAGRAM PLC ANALOG RTD INPUTS MDP-1-6-17/105

E-608 PUMP CONTROL DIAGRAM CONTROL RELAY WIRING MDP-1-6-17/106

E-801 INSTALL CABLE AND CONDUIT SCHEDULE MDP-1-6-17/107

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

E-802 HMI SCREEN LAYOUT DETAILS MDP-1-6-17/108

1.2.1 Use Of Government Prepared Contract CAD Electronic Files

a. No Resource (R)("For Information Only") drawings are available on

CAD.

b. The Contractor assumes all risks associated in using electronic CAD drawings.

c. Electronic copies of CAD drawings are only available in Bentley DGN format.

d. The contract drawings shall govern if there are any discrepancies between the electronic copy and the contract drawing. The Contractor shall promptly notify the Contracting Officer of any discrepancies.

The Government will not be responsible to correct the electronic CAD drawing.

1.3 RESOURCE DRAWINGS (R)

These R drawings are included with the drawings for information only. The Government does not warrant the accuracy of the R drawings. The Government recommends that the Contractor verify the accuracy of R drawings.

Resource (R) drawings are as follows:

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

RESOURCE

R-001 MECHANICAL NEW PIPING DIAGRAM MDP-4-3-0/1

R-002 POWERHOUSE - MECHANICAL UNWATERING &

DRAINAGE PUMPS ASSEMBLY

MDP-1-3-9/1

R-003 DRAINAGE PUMP DISCHARGE MODIFICATION PIPING

DETAILS

MDP-1.11-3-9/1

R-004 DRAINAGE PUMP DISCHARGE MODIFICATION BAFFLE

DETAIL

MDP-1.11-3-9/2

R-005 STATION SERVICE UNITS EMBEDDED UNWATERING

AND DRAINAGE PIPING

MDP-2-3-8/8

R-006 EMBEDDED PIPING FISH COLLECTION SYSTEM PLANS

AND SECTIONS

MDP-2-3-8/24

R-007 EMBEDDED PIPING STATION SERVICE BAY TAILRACE

DECK

MDP-2-3-8/25

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

R-008 POWERHOUSE CONCRETE OUTLINE STA. SERVICE BAY

- BLDG. INTERIOR PLAN - EL. 176.0

MDP-2-4-0/33

R-009 POWERHOUSE CONCRETE OUTLINE STA. SERVICE BAY

- BLDG. INTERIOR SECTIONS

MDP-2-4-0/38

R-010 POWERHOUSE - MECHANICAL EMBEDDED PIPING STA.

SERVICE BAY SUMP PUMP ROOM

MDP-2-3-8/9

R-011 POWERHOUSE CONCRETE OUTLINE STATION SERVICE

BAY - BLDG. INTERIOR SECTIONS

MDP-2-4-0/35

R-012 POWERHOUSE CONCRETE OUTLINE STA. SERVICE BAY

BLDG. INTERIOR SECTIONS

MDP-2-4-0/34

R-013 POWERHOUSE-MECHANICAL EMBEDDED PIPING

SUBSTRUCTURE OF MAIN UNITS NO. 3 TO 14 INCL.

- PLAN

MDP-2.1-3-8/30

R-014 POWERHOUSE - MECHANICAL EMBEDDED PIPING

MISC, PIPE AND FITTINGS - DETAILS

MDP-2.1-3-8/36

R-015 POWERHOUSE-MECHANICAL EMBEDDED PIPING

MISCELL. VIEWS, SECTIONS AND DETAILS

MDP-2.1-3-8/33

R-016 POWERHOUSE MISCELLANEOUS METALWORK INTERIOR

HANDRAILS-SH.3 UNWATERING SUMP

MDP-2.1-5-0/133

R-017 POWERHOUSE MECHANICAL STATION SERVICE

PENSTOCKS ASSEMBLY & DETAILS

MDP-2.1-5-11/1

R-018 POWERHOUSE MECHANICAL STATION SERVICE

PENSTOCKS DETAILS

MDP-2.1-5-11/2

R-019 MECHANICAL - NEW PIPING DIAGRAM MDP-2.2-3-9/43

R-020 POWERHOUSE-MECHANICAL PIPING ARRANGEMENT

MISC. PIPING & EQUIPMENT MAIN UNIT

BAYS-SECTS. & DETAILS

MDP-2.2-3-9/44

R-021 POWERHOUSE - MECHANICAL PIPING ARRANGEMENT

MISC. PIPING IN PIPE GALLERY PLAN - SECTIONS

& DETAILS

MDP-2.2-3-9/45

R-022 POWERHOUSE - MECHANICAL SCHEMATIC PIPING

DIAGRAM UNWATERING SYSTEM

MDP-9-3-9/1

R-023 MECHANICAL UNWATERING DISCHARGE SYSTEM,

MODIFICATIONS

MDP-9-3-9/2

R-024 MECHANICAL UNWATERING DISCHARGE SYSTEM

MODIFICATIONS

MDP-1-3-0/66

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

R-025 MECHANICALS PIPING DETAILS MDP-1-3-0/67

R-026 EMBEDDED PIPING POWER HOUSE UNWATERING HEADERV-9240

R-027 EMBEDDED PIPING MAIN UNIT BAYS - HEADWALLS V-9243-A

R-028 ALLIS-CHALMERS MOTOR PART 1 51-802-480

R-029 ALLIS-CHALMERS MOTOR PART 2 FD-22625

R-030 BRG. ASSEMBLY - LINE SHAFT 12 SV - 2 A-15776

R-031 BRG. HSG. - LINE SHAFT 12 SV-1 A-8836

R-032 POWERHOUSE STRUCTURAL PLANS E. 254.0, 215.0

& 207.0

MDP-1-4-0/9

R-033 POWERHOUSE - MECHANICAL PIPING ARRANGEMENT

UNWATERING & DRAINAGE PUMPS PLANS & DETAILS

MDP-3-3-9/1

R-034 STATION SERVICE DRAINAGE SUMP DRAINAGE PUMP

& DISCHARGE LINE INSTALLATION DETAILS

819-1

R-035 MCNARY POWERHOUSE MECHANICAL OIL SKIMMER &

SUMP - PLANS

MDP-1-3-0/87

R-036 MCNARY POWERHOUSE MECHANICAL SUMP PIPING -

ISOMETRIC DETAILS

MDP-1-3-0/88

R-037 MCNARY POWERHOUSE MECHANICAL SUMP PIPE

ROUTING - ISOMETRIC DETAILS

MDP-1-3-0/89

R-038 MCNARY POWERHOUSE MECHANICAL SUMP PIPE ROUTE

1 - PLAN & SECTIONS

MDP-1-3-0/90

R-039 MCNARY POWERHOUSE MECHANICAL SUMP PIPE ROUTE

2 - PLAN & SECTIONS

MDP-1-3-0/91

R-040 MCNARY POWERHOUSE MECHANICAL SUMP PIPE ROUTE

3 - PLAN & SECTIONS

MDP-1-3-0/92

R-041 LIGHTING CONDUIT STA. SERVICE BAY - BLDG.

INTERIOR EL. 176, 223.5, 235.5 AND ABOVE

MDP-2-6-2D1/1

R-042 LIGHTING CONDUIT STA. SERVICE BAY - BLDG.

INTERIOR TRANSVERSE SECTION-PIER A-2

MDP-2-6-2D1/2

R-043 EMBEDDED PIPING SUBSTRUCTURE OF MAIN UNITS

NO.3 TO 14 INCL.- MISC. SECTIONS

MDP-2.1-3-8/32

R-044 EMBEDDED PIPING INSPECTION TUNNEL SECTIONS &

DETAILS

MDP-2.1-3-8/38

SHEET

NUMBER

DESCRIPTION FILE NUMBER Rev.

Num.

Date

R-045 EMBEDDED PIPING TAILRACE DECK SECTIONS AND

DETAILS

MDP-2-3-8/14 Added 10/2022

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SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 14 00.10 28

PROJECT SITE RESTRICTIONS

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 SITE CONDITIONS AND OPERATIONAL RESTRICTIONS

1.3.1 Operation of Valves and other Government Equipment

1.3.2 Other Contractors

1.4 EMPLOYEE TRAINING AND IDENTIFICATION SUMMARY

1.5 PROJECT SECURITY

1.5.1 Contractor Vehicle Access

1.5.2 Identification of Employees

1.5.3 ELEVATOR USE

1.6 DELIVERY OF EQUIPMENT

1.7 USE OF POWERHOUSE BRIDGE CRANES

1.7.1 Crane Operators

1.7.2 Use of the Cranes

1.7.3 Riggers

1.8 ACCESS TO AUTOMATED INFORMATION SYSTEMS

1.9 FACILITY OCCUPANCY CLOSURE

1.10 WORK SCHEDULES

1.10.1 Contractor's Work Schedule

1.10.2 Government's Work Schedule

1.11 USE OF WALLA WALLA DISTRICT PARKS

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

ATTACHMENTS:

Security Badge Form

-- End of Section Table of Contents --

SECTION 01 14 00.10 28

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SECTION 01 14 00.10 28

SECTION 01 14 00.10 28

PROJECT SITE RESTRICTIONS

PART 1 GENERAL

1.1 REFERENCES

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

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 Safety and Health Requirements Manual

Contractor shall be responsible for complying with the current edition and all changes posted on the web as of the effective date of this solicitation.

1.2 SUBMITTALS

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

submittals having an "I" designation are for information only. A 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

Access To Automated Information Systems ; G SLE

Employee Training And Identification Summary ; I C

Elevator Protection Plan ; G, C

SD-07 Certificates

Crane Operator Qualifications ; G, C

1.3 SITE CONDITIONS AND OPERATIONAL RESTRICTIONS

See also, SECTION 01 14 00.20 28 WORK AND OPERATIONAL RESTRICTIONS.

1.3.1 Operation of Valves and other Government Equipment

The Government will adjust and/or operate all Government valves, equipment, and related items until released to the Contractor for replacement and/or upgrades.

1.3.2 Other Contractors

a. Other Contractors will be working in the Powerhouse during Contractor work on this project. Expect additional coordination related to work and activities on or near El. 287. Other coordination may be required. Anticipate coordination to include, but not be limited to the following:

1. Delivery of supplies and equipment to the Powerhouse.

2. Possible interferences on, or near, the Tailrace deck.

3. Use of bridge cranes.

4. Powerhouse main floor storage areas.

5. Elevator use.

6. Additional related items.

b. Coordination of contract work is required as part of this contract.

No allowance will be made for damage or extra compensation because of the required cooperation.

1.4 EMPLOYEE TRAINING AND IDENTIFICATION SUMMARY

a. Provide a spreadsheet containing the following information for all Contractor and Subcontractor personnel working on the Project site:

1. Employee name.

2. Employee photo ID Type Issued: Proximity Card #*** (for Gate/Door Access) OR Photo ID Only.

3. Date Photo ID Issued.

4. Date Photo ID Returned.

5. All applicable employee training that has been completed.

Include all training from Section 01 35 29.10 28 GOVERNMENTAL

SAFETY REQUIREMENTS, 01 14 00.90 28 INTEGRATING ANTITERRORISM (AT)

AND OPERATIONS SECURITY (OPSEC), and other as specified.

b. Submit EMPLOYEE TRAINING AND IDENTIFICATION SUMMARY prior to beginning of Contractor on-site work. Update and resubmit within 48 hours of any changes.

1.5 PROJECT SECURITY

The Project site is a secured area and access onto the Project is restricted. The security measures affect all of the Contractor's vehicles and personnel. There will be delays when entering Projects due to locked gates, vehicle inspections, and personnel checks. Inspections and checks may include inspection of tool boxes, brief cases, lunch boxes, and other containers.

1.5.1 Contractor Vehicle Access

Project access roads on both sides of the dams are secured with locked gates. All vehicles that pass through the locked gates will be subject to being searched. No privately owned vehicles (POV's) will be allowed through locked gates. Only Contractor's work vehicles and equipment that are essential to the conduct of the work will be allowed in the work areas. All Contractor vehicles shall display suitable permanent or temporary identification.

1.5.2 Identification of Employees

Government Project personnel will provide the Contractor's personnel with identification badges as they arrive on site. Complete the Security Badge Form (attached to the end of this SECTION). Submit the completed form to the Contracting Officer at least five (5) business days prior to the employee arrival to work on the Project site. Upon issuance of official badges, the Contractor shall be responsible for requiring each employee engaged on the work to display identification at all times. All prescribed identification shall immediately be delivered to the Quality Assurance Representative for cancellation upon the release of the employee or project completion. If required by the Contracting Officer, employees will be photographed by the Government. Employees who fail to submit to being photographed will not be allowed on the project site.

Every Contractor employee (prime or subcontractor) shall have a hard hat meeting the requirements of EM 385-1-1 . Hardhats shall display the Prime Contractor name, subcontractor name, and the employee's name. Contractor employee hardhats shall not be white with red markings. It shall be the responsibility of the Project Superintendent to enforce this requirement.

1.5.3 ELEVATOR USE

a. The powerhouse elevator is available for Contractor use for personnel and small tools, only. Protect the interior of the elevator from damage that may occur during use. Submit an elevator protection plan , that details what means and methods will be used to protect the elevator from damage.

b. Elevator may be used, when available. Elevator capacity shall not be exceeded. Elevator use is at Contractors' own risk. The Government does not guarantee operation, or availability, of the elevator.

1.6 DELIVERY OF EQUIPMENT

Contractor shall be responsible for delivery and receipt of all materials and equipment. Government personnel will not be available to assist the Contractor in these activities. All Contractor deliveries are restricted to the South side of the Project. See SECTION 01 55 10.00 28 CONTRACTOR WORK, ACCESS AND STORAGE AREAS, paragraph GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS for additional information.

1.7 USE OF POWERHOUSE BRIDGE CRANES

The Government's bridge cranes within the powerhouse will be available for the work within the working load and movement limits of the cranes. There are 2 bridge cranes, each mounted on two trolleys. Each trolley has a 175 ton main hoist and one 30 ton auxiliary hoist. The bridge cranes will be available for use by the Contractor at such times as not required for other maintenance and repair work performed by Government personnel, or other Contractors. The Government will furnish electric power, lubrication, and normal maintenance including adjustments without cost to the Contractor. Provide the KO (Contracting Officer) at least one Government work week notice in advance each time use of the cranes are desired.

1.7.1 Crane Operators

The Contractor shall furnish qualified bridge crane operators for their operations. Each operator, in addition to meeting the requirements of SECTION 01 35 29.10 28 GOVERNMENTAL SAFETY REQUIREMENTS, shall have had at least 3-years experience on a bridge crane of equivalent capacity and characteristics. Submit Crane Operator Qualifications for each operator in the form of an affidavit signed by the operator and the Contractor.

The affidavit shall include a complete record of all related work with particular emphasis on experience directly related to operation of a bridge crane handling comparable loads. Before any operator is approved they shall spend at least 1 hour in training on the cranes under the direct supervision of a Government operator. The Contractor's crane operators may be retested at any time. The Contractor shall ensure that the crane operators have current (within the previous 12 months) physical or medical examinations with emphasis on hearing, eyesight, and cardiovascular conditions. Submit dates of physical exams to the Contracting Officer along with qualifications.

1.7.2 Use of the Cranes

The Contractor shall be liable for all damage, due to fault or negligence, incurred while the cranes are operated by the Contractor's crane operators.

1.7.3 Riggers

Only qualified riggers shall be used in preparing loads for lifting and in attaching such loads to the cranes. All personnel performing rigging shall meet requirements of SECTION 01 35 29.10 28 GOVERNMENTAL SAFETY REQUIREMENTS. A Government operator will check them for knowledge of hand signals. Hand held portable radios may be used but only on non-Government frequencies.

1.8 ACCESS TO AUTOMATED INFORMATION SYSTEMS

All Contractor employees (U.S. citizens and Non- U.S. citizens) working under this contract (to include grants, cooperative agreements and task orders) who require access to Automated Information Systems (AIS), (stand alone computers, network computers/systems, e-mail, sensitive data areas such as the Control Room) shall, at a minimum, be designated into an ADP-III position (non-sensitive) in accordance with DoD 5220-22-R, Industrial Security Regulation. The investigative requirements for an ADP-III position are a favorable National Agency Check (NAC), SF-85P, Public Trust Position. Have each applicable employee complete a SF-85P and 2 FBI form 258 Finger Print cards to submit to the Security Officer within three (3) working days after award of any contract or task order, and submitted prior to the individual being permitted access to an AIS.

Contractors that have a commercial or government entity (CAGE) Code and Facility Security Clearance through the Defense Security Service shall process the NACs and forward visit requests/results of NAC to the Security Officer. For those Contractors that do not have a CAGE Code or Facility Security Clearance, the Security Office will process the investigation in coordination with the Contractor and contract employees.

The phone number for the Security Office is: 509.527.7141

The address for the Security Office is:

Security Officer

Emergency Management Office Walla Walla District, COE 201 North Third Avenue Walla Walla, WA 99362

1.9 FACILITY OCCUPANCY CLOSURE

Streets, walks, and other facilities occupied and used by the Government shall not be closed or obstructed without written permission from the Contracting Officer.

1.10 WORK SCHEDULES

1.10.1 Contractor's Work Schedule

At the Pre-Work Meeting, furnish a schedule of number of working days per week, shifts per day, and hours per shift for contract work. Furnish notification of any change of schedule of regular work hours, overtime work hours, and shifts of work crews and personnel at the site. This notification shall be provided a minimum of 48 hours prior to any schedule change to allow suitable scheduling of Government personnel and inspection. Exception to this requirement may be allowed in case of schedule change due to emergency conditions.

1.10.2 Government's Work Schedule

a. The maintenance crews at the dam work from 6:30 a.m. to 5:00 p.m., Monday through Thursday. Crews and staff do not work on weekends and Federal holidays. If a Federal holiday falls on a Friday or Saturday , the crews and staff do not work on the preceding Thursday. If a Federal holiday falls on a Sunday, crews and staff do not work on the following Monday. A powerhouse operator is at the site 24 hours a day, 7 days a week, including Federal holidays but is not available to assist the Contractor.

b. If the Contractor requires support/assistance outside of the hours or days stated above, the Contractor must make a formal written request to the Contracting Officer at least 14 calendar days prior to the date that support/assistance is needed. Requests for support between 20 December and 9 January, annually, have additional restrictions and require a formal written request to the Contracting Officer a minimum of 60 calendar days prior to the date that support/assistance is needed. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK for additional restrictions during this timeframe.

c. The Government will provide requested support/assistance using overtime for non-holiday Fridays and Saturdays from 6:30 a.m. to 5:00 p.m. when requested in advance. The Government will not guarantee support/assistance for any other days or times. If the requested support/assistance is unapproved, the Government will work with the contractor to fulfill the support/assistance request as soon as reasonably achievable to suit both parties.

cd. Submit an estimated number of days requiring government support/assistance outside of normal working hours with preliminary project schedule, and subsequent project schedules throughout the duration of the project.

SECTION 01 14 00.10 28

de. Below are the Federal holidays and Thursdays before a Federal holiday that fall on a Friday that the maintenance crews are not scheduled to work:

YEAR DAY DATE

2023 Monday 2 January

2023 Monday 16 January

2023 Monday 20 February

2023 Monday 29 May

2023 Monday 19 June

2023 Tuesday 4 July

2023 Monday 4 September

2023 Monday 9 October

2023 Thursday 9 November

2023 Friday 10 November

2023 Thursday 23 November

2023 Monday 25 December

YEAR DAY DATE

2024 Monday 1 January

2024 Monday 15 January

2024 Monday 19 February

2024 Monday 27 May

2024 Wednesday 19 June

2024 Thursday 4 July

2024 Monday 2 September

2024 Monday 14 October

2024 Friday 11 November

2024 Thursday 28 November

SECTION 01 14 00.10 28

YEAR DAY DATE

2024 Wednesday 25 December

1.11 USE OF WALLA WALLA DISTRICT PARKS

Special consideration for the use of the Walla Walla District Camping Grounds wi l l not be given to the Contractor if camping at these sites.

The Contractor's crew may not use Government parking lots near McNary Lock and Dam for RV parking.

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SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 14 00.20 28

WORK AND OPERATIONAL RESTRICTIONS

PART 1 GENERAL

1.1 WORK PHASE REQUIREMENTS

1.1.1 Remaining Contract Work

1.2 GENERAL REQUIREMENTS

1.2.1 Coordination for Adult Fish Passage Impacts

1.3 PHASE 1 - DRAINAGE SYSTEM AND MAIN TURBINE UNIT VALVE UPGRADES

1.3.1 Phase 1 Work Sequencing Requirements

1.3.2 Phase 1 Work Restrictions

1.4 PHASE 2 - UNWATERING SYSTEM UPGRADES

1.4.1 Phase 2 Work Sequencing Requirements

1.4.2 Phase 2 Work Restrictions

1.5 PHASE 3 - STATION SERVICE TURBINE UNIT VALVE UPGRADES

1.6 MAIN UNIT OUTAGE REQUIREMENTS

1.6.1 Main Unit Outage Scheduling

1.7 STATION SERVICE UNIT OUTAGE REQUIREMENTS

1.7.1 Station Service Unit Outage Scheduling

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

-- End of Section Table of Contents --

SECTION 01 14 00.20 28

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SECTION 01 14 00.20 28

SECTION 01 14 00.20 28

WORK AND OPERATIONAL RESTRICTIONS

PART 1 GENERAL

This SECTION contains Work Restriction requirements and information. If conflicts are found between this SECTION and other areas of the Plans and Specifications, notify the Contracting Officer (KO).

NOTE:

a. Due t o bl ockage i n t he Dr ai nage header ( bet ween Mai n Uni t s 7 and

8) , Dr af t Tube Dr ai n Val ve pi t s f or Mai n Tur bi ne Uni t s ( Mai n Uni t s) 7- 14 ar e cur r ent l y f l ooded and not avai l abl e f or Cont r act or access.

Bl ockage i n t he Dr ai nage Header must be r emoved pr i or t o access t o t hese ar eas. See SECTION 33 01 30.16 28 DRAINAGE HEADER DEBRIS REMOVAL for additional information.

b. A maxi mum of t wo ( 2) Mai n Uni t s wi l l be r emoved f r om ser vi ce f or Mai n Uni t Dr ai nage and Equal i zer Val ve upgr ades, pr i or t o Dr ai nage Header bl ockage r emoval . Bl ockage must be compl et el y r emoved bef or e addi t i onal Mai n Uni t s wi l l be r emoved f r om ser vi ce, f or wor k on t hi s contract.

c. See Sheet M- 901 for Unwatering Pump Isometric. Includes overall configuration of Unwatering and Drainage System piping and pumps.

d. See Sheet M- 601 for Powerhouse Valve Schedule.

1.1 WORK PHASE REQUIREMENTS

Work on this Contract shall be complete, as specified and required, in the identified Phases. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK, for additional information.

a. Phase 1 - Drainage System and Main Turbine Unit Valve Upgrades.

b. Phase 2 - Unwatering System Upgrades.

c. Phase 3 - Station Service Turbine Unit Valve Upgrades.

1.1.1 Remaining Contract Work

All work not associated with a specific time period or work phase, shall be scheduled by the Contractor and included in the accepted Project Schedule. See SECTION 01 32 01.00 28 PROJECT SCHEDULE for additional information.

1.2 GENERAL REQUIREMENTS

The following requirements apply to all work on this Contract:

a. Prior to removing any of the following from service, all valves, parts, equipment, etc. required to upgrade and return each component to service, must be on-site and accepted for installation by the

Contracting Officer (KO):

1. Main Turbine Units (Phase 1).

2. Station Service Turbine Units (Phase 3).

3. All or part of the Drainage pump system, including intake and discharge piping, and valves (Phase 1).

4. All or part of the Unwatering pump system, including intake and discharge piping, and valves (Phases 1 and 2).

b. The following restrictions apply to work on, and/or use of, upgraded Fishway Drain Flush Line Piping:

1. Required piping upgrades shall occur outside of the Adult Fish Passage Work Window (Phase 1).

2. Fishway Drain Flush Line Piping upgrades must be complete prior to use for routing of Unwatering and/or Drainage Sump discharge flows.

3. Restrictions apply to routing of Unwatering and/or Drainage Sump discharge flows through upgraded Fishway Drain Flush Line Piping. See paragraph "Phase 2 Work Restrictions" for additional information.

c. A minimum of two (2) Unwatering Pumps must be operational at all times.

cd. Contractor access to and/or work in the Drainage Sump is restricted to the Phase 1 timeframe. Contractor access to and/or work in the Unwatering Sump is restricted to the Phase 2 timeframe.

de. Temporary pumping, and temporary power are responsibilities of the Contractor and will not be provided by the Government. See SECTION 02 24 10.02 28 DEWATERING, paragraph DEWATERING OF WORK AREAS for additional information.

ef . Contractor shall NOT remove Government equipment from service, and/or adjust Government equipment or valves, unless approved, in writing, by the KO.

1.2.1 Coordination for Adult Fish Passage Impacts

a. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK for Adult Fish Passage Work Window information. Restrictions apply to non-routine maintenance activities and construction work when fishladders are operational. Restrictions do NOT apply during fishladder outages.

b. When fishladders are operational, non-routine maintenance and construction activities meeting the following conditions require coordination via a Memorandum of Coordination (MOC) a minimum of 3 weeks prior to impacts to operations. Coordinate anticipated impacts with the KO.

1. Deviations to powerhouse unit priority or any work that affects operation of fish pumps.

SECTION 01 14 00.20 28

2. Work within 100 feet of any fishway entrance or exit.

3. Work within 50 feet of any other part of the adult fishway.

1.3 PHASE 1 - DRAINAGE SYSTEM AND MAIN TURBINE UNIT VALVE UPGRADES

Complete the following required work during Phase 1 - Drainage System and Main Turbine Unit Valve Upgrades:

a. All work related to Drainage System upgrades, including, but not limited to the following:

1. Drainage pump, and related piping and valve upgrades.

2. Drainage sump work.

3. All Drainage header upgrades, repairs, and related work.

Includes Drainage header blockage removal, and Drainage header point repair, if needed.

4. All Cleanout Sump upgrades, including concrete removal, pump replacement, and cleanout and valve upgrades.

b. Fishway Drain Flush Line piping upgrades.

c. Upgrades /replacements of all Unwatering Pumps, as shown and specified. NOTE: The Government will determine the order Unwatering pumps will be removed from service for refurbishment.

d. Replacement of Unwatering Pump #3 motor . Temporary power required. See SECTION 02 24 10.02 28 DEWATERING, paragraph DEWATERING OF WORK AREAS, for Temporary Power information.

e. Unwatering Pump Inlet Valves and Piping Upgrades. See Sheet M-401 for reference. Includes 14" Isolation Gate Valves and related piping on the inlet side of the Unwatering Pumps.

1. NOTE: Does NOT include suction pipes inside Unwatering Sump.

f. ALL Main Unit Draft Tube Drain Valves, Draft Tube Drain Valve Tees, Scroll Case Drain Valves, and Equalizer Valves replacements and refurbishments.

1. NOTE: See paragraph MAIN UNIT OUTAGE REQUIREMENTS for additional information.

1.3.1 Phase 1 Work Sequencing Requirements

The following tasks have sequencing requirements and must be completed in the order as specified. List may not be all inclusive:

a. Cl eanout Sump concr et e r emoval must be completed prior to Drainage Header Blockage Removal.

b. Dr ai nage Header Bl ockage Removal must be completed prior to the following:

1. Access to Draft Tube Drain Valve Pits for Main Units 7-14.

2. Removal of additional Main Units as specified in paragraph GENERAL.

3. Removal of 8" PVC Drainage Header and reconnection of 6" Drain

Pipes to original Header in EL. 207 Gallery. See al so i t em

SECTION 01 14 00.20 28

" Dr ai nage Header Pi pe Poi nt Repai r " bel ow.

c. Dr ai nage Header Pi pe Poi nt Repai r (if needed) must be completed prior to removal of 8" PVC Drainage Header and reconnection of 6" Drain Pipes to original Header in EL. 207 Gallery.

d. Dr af t Tube Dr ai n Val ve, and Dr af t Tube Dr ai n Val ve Tee r epl acement must be completed prior to replacement of Scroll Case Drain Valve and Equalization Valve upgrades, for each Main Unit.

1.3.2 Phase 1 Work Restrictions

The table below lists Phase 1 Work items with specific restrictions. List is not necessarily in sequence (unless identified as such), is not inclusive of all required work, and may not reflect all restrictions found in the Plans and Specifications. Refer to the plans and specifications for additional information. Plan sheet references are for information only and do not include all related Plan sheets.

WORK I TEM MAX.

DRAINAGE

SUMP WSE

MAX.

UNWATERING

SUMP WSE

OTHER RESTRI CTI ONS

Cleanout Sump concrete removal, EL 176 fmsl.

See sheets SD101 and S-101.

N/A N/A Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements".

Remove Drainage Header Check valve in Cleanout Sump.

See Sheet MD402, Section A2.

EL 172

fmsl

N/A

Drainage Header Blockage Removal

EL 172

fmsl

N/A Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements", and paragraph GENERAL.

Install New Drainage Header Clean out in Cleanout Sump.

See Sheets M-202, M-401.

EL 172

fmsl

N/A

WORK I TEM MAX.

DRAINAGE

SUMP WSE

MAX.

UNWATERING

SUMP WSE

OTHER RESTRI CTI ONS

Drainage Header Pipe Point Repair.

EL 172

fmsl

Verify required elevation.

N/A Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements".

Option Work. See SECTION

SECTION 33 01 30.72 28

DRAINAGE HEADER POINT REPAIR

for additional information.

Required Drainage Sump WSE dependent on elevation of damaged pipe.

Remove 8" PVC Drainage Header; Reconnect 6" Drain Pipes to original Header in EL. 207 Gallery.

See Sheets MD203, M-402 detail A1.

N/A N/A Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements".

Drainage Pump and Upper Discharge Piping replacement. Install drainage sump baffle box, and seismic bracing on Drainage Pump intake pipe.

See Sheets S-201, MD101, MD201, M-101, M-201.

Empty Drainage Sump

N/A Requires temporary pumping of Drainage Sump inflows into Unwatering Sump.

Fishway Drain Flush Line Piping upgrades.

See Sheets MD202, M-202

N/A N/A Required piping upgrades shall occur outside of the Adult Fish Passage Work Window.

See paragraph GENERAL REQUIREMENTS for additional restrictions.

WORK I TEM MAX.

DRAINAGE

SUMP WSE

MAX.

UNWATERING

SUMP WSE

OTHER RESTRI CTI ONS

Unwatering Pumps Inlet Valves and Piping upgrades.

Sheets MD402, M-401.

See paragraph PHASE 1 -

DRAINAGE SYSTEM AND

MAIN TURBINE UNIT VALVE

UPGRADES for additional information.

EL 176

fmsl

EL 177

fmsl*

No additional Main Units unwatered during this work.

Does not include piping in Unwatering Sump.

Unwatering Pump and Motor Upgrades.

See Sheets MD202, M-201, M-202.

N/A N/A Minimum of two (2) Unwatering Pumps must be operational at all times.

Replacement of Unwatering Pump #3 motor. Temporary power required.

See SECTION 43 23 31.13 28

POWERHOUSE UNWATERING PUMPS

for additional information.

Main Turbine Unit Draft Tube Drain Valve, and Draft Tube Drain Valve Tee Replacement

See Sheets MD203, MD401, M-402.

N/A EL 177

fmsl*

Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements".

Unwat er i ng Sump WSE r est r i ct i on appl i es t o Dr af t Tube Dr ai n Val ve and Dr af t Tube Dr ai n Val ve Tee r epl acement , onl y.

No additional Main Units unwatered during Draft Tube Drain Valve, or Draft Tube Drain Valve Tee replacement.

WORK I TEM MAX.

DRAINAGE

SUMP WSE

MAX.

UNWATERING

SUMP WSE

OTHER RESTRI CTI ONS

Main Turbine Unit Scroll Case Drain Valve Replacement, and Equalizer Valve Upgrades.

See Sheets MD203, MD401, M-102, M-402.

N/A N/A Sequence requirements. See paragraph "Phase 1 Work Sequencing Requirements".

NOTES:

* Unwatering Sump WSE requirements limit Main Unit unwatering.

TABLE DEFINITIONS:

1. WSE: Water Surface Elevation.

2. fmsl: Feet Mean Sea Level.

3. N/A: Not Applicable.

1.4 PHASE 2 - UNWATERING SYSTEM UPGRADES

Complete all remaining Unwatering System work during Phase 2 - Unwatering System Upgrades. Required work includes, but is not limited to the following:

a. All work related to the Unwatering System Isolation Valve replacement, the 90 degree bend immediately downstream of the valve, and installation and removal of Unwatering Discharge Plug in the tailrace. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK for coordination requirements.

b. All Unwatering System discharge piping and valve replacement and upgrades.

c. All Unwatering suction piping upgrades, Unwatering sump concrete removal, and related sump work.

d. Replacement of remaining Unwatering Pump motors.

e. All Electrical Upgrades impacting the Unwatering System, including upgrades to the Motor Control Center (MCC).

1.4.1 Phase 2 Work Sequencing Requirements

The following sequencing requirements must be completed as specified. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK, for additional information. List may not be all inclusive:

a. Unwat er i ng Syst em I sol at i on Val ve Repl acement , and 90 degr ee bend i mmedi at el y downst r eam, must be completed prior to the following:

1. Replacement of Unwatering Pump Discharge Piping.

2. Replacement of Unwatering Pump inlet suction pipes in Unwatering Sump.

1.4.2 Phase 2 Work Restrictions

a. The table below lists Phase 2 work items with specific restrictions. List is not necessarily in sequence (unless identified as such), is not inclusive of all required work, and may not reflect all restrictions found in the Plans and Specifications. Refer to the plans and specifications for additional information. Plan sheet references are for information only and do not include all related Plan sheets.

b. NOTES:

1. Unwatering Pump #3 must be operational at all times during the Phase 2 timeframe. Temporary power may be required.

2. Use of upgraded Fishway Drain Flush Line Piping to reroute Unwatering and/or Drainage Sump discharge flows, shall NOT occur during the Oregon Fish Ladder outage, with one exception.

i. Rerouting of sump flows during the Oregon Fish Ladder outage will be required for replacement of the Unwatering System Isolation Valve, and adjacent 90 degree bend downstream of the valve. Dates for this work must be coordinated with the KO. See Contracting Clause 52.211-10 COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK for additional information.

WORK I TEM MAX. UNWATERI NG

SUMP WSE

OTHER RESTRI CTI ONS

Unwatering System Isolation Valve Replacement.

Includes replacement of 90 degree bend immediately downstream of Valve.

See Sheets MD202, M-202.

N/A Sequence requirements. See paragraph "Phase 2 Work Sequencing Requirements".

All work must be completed as identified in Contracting Clause 52.211-10

COMMENCEMENT, PROSECUTION, AND COMPLETION

OF WORK. Includes installation and removal of Unwatering Discharge Plug in the tailrace.

Requires Unwatering Sump discharge flows to be routed through upgraded Fishway Drain Flush Line Piping.

WORK I TEM MAX. UNWATERI NG

SUMP WSE

OTHER RESTRI CTI ONS

Unwatering Pump Discharge Piping replacement/upgrades.

See Sheets MD202, M-202.

N/A Sequence requirements. See paragraph "Phase 2 Work Sequencing Requirements".

Requires Unwatering Sump discharge flows to be routed through upgraded Fishway Drain Flush Line Piping.

Temporary Pumping may be required.

Unwatering Pump inlet suction pipes replacement (in Unwatering Sump).

Includes required concrete modifications.

See Sheets MD202, MD402, M-202, M-401

Empty Sequence requirements. See paragraph "Phase 2 Work Sequencing Requirements".

Requires the following:

1. Temporary pumping of Unwatering Sump in-flows to Drainage Sump.

2. Reconfiguration of Unwatering Pumps to pull from Drainage Sump and discharge through upgraded Fishway Drain Flush Line Piping.

Remove existing, and install new Unwatering System MCC (SQ02), Controls cabinet (SQ02C), and all related electrical work.

See Sheets ED101, ED201, E-101, E-201, E-501.

N/A Requires Temporary power to new Unwatering Pump Motors prior to removing MCC from service.

TABLE DEFINITIONS:

1. WSE: Water Surface Elevation.

2. N/A: Not Applicable.

1.5 PHASE 3 - STATION SERVICE TURBINE UNIT VALVE UPGRADES

Complete all work related to Station Service Turbine Unit drain valve upgrades, including, but not limited to the following. Plan sheet references are for information only and do not include all related Plan sheets.

a. Replacement of Draft Tube Drain Valves, and Draft Tube Drain Valve Tee. See Sheets MD403, M-403.

b. Replacement of Penstock Drain Valves, and rerouting of Penstock Drain piping. See Sheets MD204, M-203.

1.6 MAIN UNIT OUTAGE REQUIREMENTS

Main Unit outages are required for Main Turbine Unit Valve Upgrades (Phase 1 work). The following requirements apply to Main Unit Outages for work on this contract:

a. Main Units will be unwatered, prepared for Contractor work, rewatered, and returned to service by the Government.

b. Each Main Unit will be Out of Service one time only for work on this contract. All required work for the Out of Service Main Unit must be completed, commissioned, and accepted by the Government during this time.

c. A maximum of 2 (two) Main Units will be Out of Service at any time for work on this contract. Out of Service includes all of the following:

1. Government Unwatering and preparation of Main Unit for Contractor work (anticipate 4 Government work days duration per Main Unit). See SECTION 01 14 00.10 28 PROJECT SITE RESTRICTIONS, paragraph "Government's Work Schedule" for Government Work Days information.

2. Contractor removal, installation, upgrade, and commissioning of all Draft Tube Drain valves, Draft Tube Drain valve tees, Scroll Case Drain valves, and Equalizer valves for the Out of Service Main Unit.

3. Government acceptance of Contractor work and Government verification Main Unit is ready to return to service.

4. Government Rewatering of Main Unit and return to service (anticipate 4 Government work days duration per Main Unit).

d. Main Units will be taken out of service in non sequential, adjacent pairs that share Draft Tube Drain valve pits (Main Units 1 & 2; Main Units 3 & 4; Main Units 5 & 6; Main Units 7 & 8; Main Units 9 & 10; Main Units 11 & 12; Main Units 13 & 14). The Government will determine the order Main Unit pairs are removed from service, and will notify the Contractor a minimum of 14 calendar days prior to the next scheduled Main Unit outage.

e. Up to 2 Main Units may be unwatered prior to start of the following activities, but Main Unit unwatering will not be allowed during any of the following:

1. Draft Tube Drain Valve, and/or Draft Tube Drain Valve tee replacement.

2. Unwatering Pumps Inlet Valves and Piping…