Technical Specifications - Amendment 0005.pdf

McNary Powerhouse Turbine Draft Tube Slot Filler W912EF25BA002 MNTDTSF352071 Amend-0005

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 11 01.00 28

SUPPLEMENTARY REQUIREMENTS

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 DEFINITIONS

1.4 REQUIRED DELIVERY DATES

1.4.1 Additional Delivery Restrictions

1.5 REGULAR CLEANUP AND DEBRIS DISPOSAL

1.6 EQUIPMENT LIST

1.7 TESTING OF EQUIPMENT

1.8 PROTECTION AND RESTORATION OF EXISTING FACILITIES

1.9 CONTRACTOR RESPONSIBILITY FOR CONTRACT WORK

1.10 PROJECT SUPERINTENDENT

1.11 KEY PERSONNEL SUBSTITUTION

1.12 POST AWARD MEETINGS

1.12.1 Post-Award/Pre-Fabrication

1.12.1.1 Pre-Fabrication

1.12.1.1.1 Minutes

1.12.2 CAD Requirements and Coordination Meeting

1.12.3 Pre-Fabrication Conference

1.12.4 Pre-Painting Meeting

1.12.5 Pre-Delivery Meetings

1.12.6 RMS Orientation Meeting

1.13 BI-WEEKLY PRODUCTION MEETINGS

1.13.1 Production Briefings

1.13.2 Fabrication Progress Photos

1.13.3 Minutes

1.14 ADDITIONAL MEETINGS

1.15 GOVERNMENT QUALITY ASSURANCE SURVEILLANCE PLAN (QASP)

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

ATTACHMENTS:

Weekly Meeting Agenda three (3) week 'look ahead'

-- End of Section Table of Contents --

SECTION 01 11 01.00 28

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SECTION 01 11 01.00 28

SECTION 01 11 01.00 28

SUPPLEMENTARY REQUIREMENTS

PART 1 GENERAL

The work covered by this section of the specifications consists of work common to more than one section of these TECHNICAL SPECIFICATIONS.

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 Occupational Health Requirements

Comply 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.

Designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. Submit in accordance with SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Equipment List ; I, C

Project Superintendent ; I, C

CAD Requirements And Coordination Meeting ; G, GS

SD-07 Certificates

Key Personnel Substitution ; G, C

1.3 DEFINITIONS

a. Qualified Person.

As defined in EM 385-1-1 ; "DEFINITIONS", unless otherwise specified.

1.4 REQUIRED DELIVERY DATES

Deliver Line Items by the dates listed below. See SECTION 01 55 29.10 28 CONTRACTOR WORK, ACCESS, AND STAGING AREAS, and SECTION 05 50 14.01 28 STRUCTURAL METAL FABRICATIONS for additional delivery related information:

CLIN DESCRIPTION REQUIRED DELIVERY DATES

No later than dates listed below

0001 One North and One South Draft Tube Slot Filler

12 months after Contract Award

0002 Dogging Beams No later than delivery of

CLIN 0001

0003 One North and One South Draft Tube Slot Filler

24 months after Contract Award

0004 One North and One South Draft Tube Slot Filler

32 months after Contract Award

0005 One North and One South Draft Tube Slot Filler

32 months after Contract Award

0006 One North and One South Draft Tube Slot Filler

32 months after Contract Award

0007 One North and One South Draft Tube Slot Filler

32 months after Contract Award

1.4.1 Additional Delivery Restrictions

a. After CLIN 0001 and 0002 delivery, allow 90 calendar days prior to beginning fabrication on CLINs 0003 - 0007. See Sheet G-002, GENERAL NOTES 3 for additional information . Notify the Contracting Officer (KO) a minimum of 30 calendar days prior to beginning fabrication on CLIN 0003 Draft Tube Slot Fillers.

b. Do not schedule deliveries between 15 December and 31 March, annually, unless approved otherwise by the KO.

c. Do not deliver more than one pair of Draft Tube Slot Fillers per month. Both Slot Fillers in a given pair, must arrive onsite within 24 hours of each other, unless approved otherwise by the KO.

1.5 REGULAR CLEANUP AND DEBRIS DISPOSAL

With the exception of materials specifically indicated or specified to be salvaged for reuse, or turned over to the Government, all wastes and demolished materials becomes the property of the Contractor and must be removed from the job site daily in accordance with Federal, State, and local regulations. The Contractor shall furnish waste containers. All small waste containers provided by the contractor must be emptied daily, large bin containers must be emptied when full or once a week. Salvaged materials shall not be sold on the project site.

1.6 EQUIPMENT LIST

Furnish a complete list of all equipment to be used on the Project 30 calendar days prior to commencement of on-site work. Submit a revised list in the event of change of equipment. Lists shall include rented equipment as well as lease-purchase or sale-leaseback equipment. The initial list and the revised lists shall indicate dates equipment is assigned to or removed from the Project and adequate identification or

SECTION 01 11 01.00 28

description of each item of equipment including manufacturer's name (abbreviated), model number, manufacturer's serial number, year of manufacture, and Contractor's assigned serial or record number.

1.7 TESTING OF EQUIPMENT

Before any machinery or mechanized equipment is put to use on the job, it must be inspected and tested by a qualified person and determined to be in safe operating condition. Cranes or derricks must be tested by the Contractor or a qualified testing agency in accordance with EM 385-1-1 .

Equipment must be large enough to safely handle proposed picks or tasks without exceeding the crane rating established by these tests.

1.8 PROTECTION AND RESTORATION OF EXISTING FACILITIES

Take precautions to prevent damage to existing facilities while performing work under this contract. Upon completion of the work, all existing facilities not included as a portion of the work shall be left in a condition better than or equal to the condition existing at the time of Contractor arrival on site. Repair any damage caused by Contractor activities at no additional cost to the Government.

1.9 CONTRACTOR RESPONSIBILITY FOR CONTRACT WORK

The Contractor is responsible for correcting all damage and defects to work covered by this contract, until final acceptance by the Government.

1.10 PROJECT SUPERINTENDENT

The Contractor's Project Superintendent must be on the worksite at McNary Dam during performance of on-site work on this contract. The Project Superintendent is required on the worksite, at all times work is being performed, until work on this contract is completed and accepted. Submit Superintendent name and contact information prior to start of on-site work.

The Project Superintendent is authorized to serve as both the Contractor Quality Control (CQC) System Manager and the Site Safety and Health Officer (SSHO) providing they meet the qualifications specified for both positions.

1.11 KEY PERSONNEL SUBSTITUTION

If the Contractor plans on replacing any Key personnel (Project Superintendent, CQC System Manager, or CQC staff Members) they must have the approval of the KO. Personnel shall possess the qualifications that meet or exceed those stated in this contract for the position of the individual they are replacing. Submit qualifications of new personnel at least 15 calendar days in advance of date of replacement.

1.12 POST AWARD MEETINGS

1.12.1 Post-Award/Pre-Fabrication

A combined Post-Award/Pre-Fabrication Meeting will be held within fifteen

(15) calendar days after receipt of Notice of Award. Senior level members of the Contractor's staff and the Contractor's Project Superintendent and QC system manager shall attend the Post-Award/ Pre-Fabrication meeting.

The Government will lead the Post-Award part of the meeting and take the meeting minutes for this portion. The Government will discuss the overall contract requirements.

1.12.1.1 Pre-Fabrication

For the Pre-Fabrication part of the meeting, the Project Superintendent shall lead the meeting and discuss the Contractor's plan on executing the work, schedule, and plan for implementing quality control.

1.12.1.1.1 Minutes

Contractor is responsible for taking the meeting minutes for this portion of the meeting and shall send them electronically within 48 hours after the meeting to the Government's KO, Project Engineer, Quality Assurance Representative, and Resident Engineer. Include project name and meeting topic in e-mail subject line.

1.12.2 CAD Requirements and Coordination Meeting

a. After Notice of Award, and prior to the Contractor starting CAD files for work on this contract, coordinate a CAD Requirements and Coordination Meeting with the Contracting Officer. All Lead CAD staff shall attend the meeting. The purpose of the meeting is to explain CAD design and submittal requirements throughout the contract, specify which version of Autodesk must be used for CAD drawing submittals, and establish Points of Contact. Provide a record of the meeting within 7 calendar days.

b. Assume Contractor use of Autodesk version 2023 for all CAD files and drawing submittals, unless approved otherwise by the Contracting Officer .

c. The meeting may be held in conjunction with another Post Award Meeting, but must be prior to beginning CAD related work.

1.12.3 Pre-Fabrication Conference

See SECTION 05 50 14.01 28 STRUCTURAL METAL FABRICATIONS, paragraph PRE-FABRICATION CONFERENCE for additional information.

1.12.4 Pre-Painting Meeting

Coordinate with the KO and establish the date of the Pre-Painting Meeting.

The meeting shall be held at the Contractor's facility at least one (1) week prior to start of Certification Tests for paint applicators. See SECTION 09 97 02.01 28 PAINTING: HYDRAULIC STRUCTURES, paragraph "Qualified Coating Applicator" and related paragraphs for additional information. The Contractor shall lead the Pre-Painting Meeting discussing the Contractor's plan on executing the work on and off the Project site, schedule, and plan for implementing safety and quality control. Key members of the contractor staff shall attend this meeting including the Quality Control (QC) System Manager, Site Safety and Health Officer (SSHO) and any other members determined by the Government to be required.

1.12.5 Pre-Delivery Meetings

a. Coordinate with the KO and establish the dates of the Pre-Delivery Meetings. The meetings will be held at the Project site at least 21 calendar days prior to anticipated delivery date of each pair of Draft

Tube Slot Fillers , unless approved otherwise by the KO. The Contractor shall lead the Pre-Delivery Meetings discussing the Contractor's plan on executing the work at the project site including delivery of Draft Tube Slot Fillers, repair of damage that occurred during shipping (including coating repair), schedule, and plan for implementing safety and quality control.

b. The Government will have key members from the Project staff to discuss environmental and clearance issues. Key members of the contractor staff shall attend these meetings including the Quality Control (QC) System Manager, Site Safety and Health Officer (SSHO) and any other members determined by the Government to be required.

1.12.6 RMS Orientation Meeting

a. Upon the Contractor's request, an RMS (Resident Management System) Orientation Meeting will be held within fifteen (15) calendar days after receipt of Notice of Award. See SECTION 01 45 01.00 28 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM) for additional information.

The Orientation Meeting will be held at NWW District Headquarters, and may occur in conjunction with, but not at the same time as, the Post-Award Meeting. The Orientation Meeting can also occur via video conference. Coordinate meeting date and time with the KO a minimum of 7 calendar days prior to the meeting.

b. At a minimum, the Contractor's RMS-CM Administrator and QC system manager shall attend the RMS Orientation meeting. A Government Representative will lead the orientation. Anticipate the following at the meeting:

1. Allow for a maximum 4 hour duration.

2. Cover the following topics, at a minimum, in RMS Contractor Mode (CM):

i. Contractor use of RMS (CM) system.

ii. Contractor Data.

iii. Quality Control Reports.

iv. Submittals.

v. RFIs.

vi. Payment.

3. Receive a follow-up handout/guide for reference on the above items.

c. Contractor employees shall bring a computer with Wi-Fi capability (to gain access to the Internet), with RMS pre-loaded.

d. The RMS Orientation Meeting is required for Contractors with no prior RMS experience. The RMS Orientation Meeting, is optional, but may be requested, for all other Contractors.

e. The purpose of the RMS Orientation Meeting is to facilitate Contractor's use of RMS (CM). It does not relieve the Contractor of the requirement to use RMS (CM) in accordance with the Contract. See

SECTION 01 45 01.00 28 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE

(RMS CM), paragraph RMS SOFTWARE for information related to required download and installation deadlines.

1.13 BI-WEEKLY PRODUCTION MEETINGS

1.13.1 Production Briefings

During all fabrication and onsite work, hold a bi-weekly production meeting to brief the Government on the status of the project.

a. Use the attached "Weekly Meeting Agenda" and discuss all elements of this agenda.

b. Provide a three (3) week 'look ahead'. Example attached. Other formats are permissible as long as information is clearly conveyed.

1. Describe all planned fabrication activities, on-site and off-site over the next three (3) weeks.

2. ENSURE these activities align to the overall Project SCHEDULE submitted under SECTION 01 32 01.00 28 PROJECT SCHEDULE.

3. RECORD any changes to the Project Schedule AND INCLUDE IN the next scheduled update.

c. Key members of the Contractor's staff including the Quality Control System Manager and the SITE SAFETY AND HEALTH OFFICER shall attend.

d. The Quality Control System Manager shall discuss all QC aspects outlined in SECTION 01 45 00.01 28 CONTRACTOR QUALITY CONTROL.

e. The Government reserves the right to require any person from the Contractor's staff such as the Project Manager, Engineer, Scheduler or Key Subcontractor Personnel to attend the meeting.

1.13.2 Fabrication Progress Photos

a. During all fabrication activities (including work onsite at McNary Dam) record fabrication progress using bi-weekly progress photographs.

Submit digital photographs bi-weekly for use at the BI-WEEKLY PRODUCTION MEETING. Photographs provided are for unrestricted use by the Government.

1. Submit photos at the end of each 2 week work period.

2. Furnish digital photographs, Utilize JPEG file format for all photograph and image files.

3. Provide full-color photos with photo resolution of not less than 4 megapixels and not more than 12 megapixels. Photos shall show the sequence and progress of work.

4. Take a minimum of 20 digital photographs each week throughout the entire project.

b. Ensure that the photographs are digitally dated. A log must be furnished for each photograph that records the following information:

1. Photograph number (the specific format should be tied to the filename of the digital photograph).

2. Date the photograph was taken.

3. A brief description of the location, what the photograph depicts, and the orientation of the view.

1.13.3 Minutes

The Contractor is responsible for taking the meeting minutes and shall send them electronically within 24 hours of the meeting to the Government's Project Engineer, Quality Assurance Representative, and Resident Engineer. Include project name and meeting topic in e-mail subject line.

1.14 ADDITIONAL MEETINGS

Record the minutes of all meetings, including all conference calls, that occur between the Contractor and Government. Send minutes electronically within 24 hours of the meeting to the KO for concurrence. E-mail subject line shall include project name and meeting topic.

1.15 GOVERNMENT QUALITY ASSURANCE SURVEILLANCE PLAN (QASP)

1. The Government will monitor the Contractor's performance under this contract using quality assurance procedures developed by the Government. Typical procedures might include random sampling, checklists, customer complaints, and observations.

2. The Government reserves the right to inspect and test all services called for by the contract, to the extent practicable at all times and places during the term of the contract. The Government will perform inspections and tests in a manner that will not unduly delay the work.

3. If any of the services do not conform to contract requirements, the Government will request the Contractor to perform the services again, where appropriate, in conformity with contract requirements, at no increase in contract amount. When the defects in services cannot be corrected by re-performance, the Government may (1) require the Contractor to take necessary action to ensure future performance conforms to contract requirements and (2) reduce the contract price to reflect the reduced value of the services performed.

4. If the Contractor fails to promptly re-perform the services or to take the necessary action to ensure future performance in conformity with contract requirements, the Government may by contract, or otherwise (1) perform the services and charge to the Contractor any cost incurred by the Government that is directly related to the performance of such service or (2) terminate the contract in whole or in part.

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

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SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 55 29.10 28

CONTRACTOR WORK, ACCESS, AND STAGING AREAS

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 DEFINITIONS

1.4 DELIVERY REQUIREMENTS AND RESTRICTIONS

1.5 DELIVERY OF EQUIPMENT

1.6 GOVERNMENT CRANE ASSISTANCE

1.7 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

1.8 BOAT RESTRICTED ZONE POLICY (BRZ)

1.9 TRAFFIC CONTROL AND PUBLIC ACCESS

1.10 PERMITS AND RESPONSIBILITIES

1.11 HAULING MATERIAL

1.12 FIRE CONTROL

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

ATTACHMENTS:

Boat Restricted Zone (BRZ) Policy

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SECTION 01 55 29.10 28

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SECTION 01 55 29.10 28

SECTION 01 55 29.10 28

CONTRACTOR WORK, ACCESS, AND STAGING AREAS

PART 1 GENERAL

The work covered by this section of the specifications consists of work common to more than one section of these TECHNICAL SPECIFICATIONS.

1.1 REFERENCES

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

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

(AASHTO)

AASHTO LRFD (9th Edition 2020; R 2021) LRFD Bridge Design Specifications

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

Transport Loading Diagrams ; G ST

SD-07 Certificates

Shipping Memorandum, CLIN 0001 ; I, C

Shipping Memorandum, CLIN 0002 ; I, C

Shipping Memorandum, CLIN 0003 ; I, C

Shipping Memorandum, CLIN 0004 ; I, C

Shipping Memorandum, CLIN 0005 ; I, C

Shipping Memorandum, CLIN 0006 ; I, C

Shipping Memorandum, CLIN 0007 ; I, C

Bill Of Lading (BOL), CLIN 0001 ; G, C

Bill Of Lading (BOL), CLIN 0002 ; G, C

Bill Of Lading (BOL), CLIN 0003 ; G, C

Bill Of Lading (BOL), CLIN 0004 ; G, C

Bill Of Lading (BOL), CLIN 0005 ; G, C

Bill Of Lading (BOL), CLIN 0006 ; G, C

Bill Of Lading (BOL), CLIN 0007 ; G, C

1.3 DEFINITIONS

a. F.O.B.

An abbreviation for free on board, which means that a vendor or consignor will deliver goods on a railroad car, truck, vessel, or other conveyance without any expense to the purchaser or consignee.

1.4 DELIVERY REQUIREMENTS AND RESTRICTIONS

The following applies to all Draft Tube Slot Filler pair shipments for this Contract. Contractor shall be responsible for all shipment and delivery of Draft Tube Slot Fillers to McNary Dam, F.O.B.. Coordinate delivery date for each Draft Tube Slot Filler pair with the Contracting Officer (KO) a minimum of 9045 calendar days prior to delivery. Once coordinated, delivery date will only be changed with KO approval. See SECTION 01 11 01.00 28 SUPPLEMENTARY REQUIREMENTS, paragraph REQUIRED DELIVERY DATES for required delivery dates, and additional information.

a. The following must be complete prior to each shipment of Draft Tube Slot Filler pairs for delivery:

1. Delivery/Shipping Plan must be submitted and accepted. See SECTION 05 50 14.01 28 STRUCTURAL METAL FABRICATIONS, paragraph DELIVERY AND STORAGE for additional information.

2. All Shop Tests and Inspections shall be complete, and all required reports must be submitted and accepted.

3. All coating drying periods must exceed requirements in SECTION 09 97 02.01 28 PAINTING: HYDRAULIC STRUCTURES, paragraph "Drying Time Prior to Immersion".

4. All Final Shop Drawings submittals have been submitted and accepted by the Government. See SECTION 01 78 00.00 28 CLOSEOUT SUBMITTALS, for additional information.

b. Deliveries shall arrive on-site between 0700 and 0900 Monday through Thursday only, excluding Federal Holidays. If a Federal holiday falls on a Friday, the crews and staff do not work on the preceding Thursday. The Government will not be responsible for storage, security, theft, or any damage of Slot Fillers if deliveries are made outside of specified delivery hours.

c. All Contractor on-site work is restricted to hours and days specified in SECTION 01 14 00.10 28 PROJECT SITE RESTRICTIONS, paragraph "Government's Work Schedule". Anticipate 2 Government Work days total Contractor on-site time, per Slot Filler pair (One North and One South Draft Tube Slot Filler).

d. Prior to each shipment, submit a Shipping Memorandum for each shipment of finished pieces or members to the Project site, giving the

SECTION 01 55 29.10 28

designation mark and weight of each item, the number of items, and the total weight. Separate shipping memorandums are required for each shipment of Draft Tube Slot Filler components to McNary Dam. Submit the following:

Shipping Memorandum, CLIN 0001

Shipping Memorandum, CLIN 0002

Shipping Memorandum, CLIN 0003

Shipping Memorandum, CLIN 0004

Shipping Memorandum, CLIN 0005

Shipping Memorandum, CLIN 0006

Shipping Memorandum, CLIN 0007

e. Upon each delivery, provide a Bill of Lading (BOL) to the KO. BOL must match Shipping Memorandum, as well as items delivered in order to offload delivery at McNary Dam. Incomplete shipments will be returned to the Contractor, upon the delivery vehicle, at no additional cost to the Government. Submit the following:

Bill Of Lading (BOL), CLIN 0001

Bill Of Lading (BOL), CLIN 0002

Bill Of Lading (BOL), CLIN 0003

Bill Of Lading (BOL), CLIN 0004

Bill Of Lading (BOL), CLIN 0005

Bill Of Lading (BOL), CLIN 0006

Bill Of Lading (BOL), CLIN 0007

1.5 DELIVERY OF EQUIPMENT

a. 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 unless otherwise noted.

Deliveries shall arrive on the Oregon (south) side of the river, unless otherwise noted.

b. If Draft Tube Slot Fillers arrive at McNary by barge, the Government will offload the Slot Fillers from the barge, and place them on Contractor vehicle(s). Contractor shall be responsible for all cribbing, load securing, and transportation of Slot Fillers on Contractor vehicles to the Oregon side of the Project. Moorage is NOT available at McNary Dam.

c. Contractor shall repair any damage that occurs during shipping prior to the At-Site Dimensional Conformance Tests.

1.6 GOVERNMENT CRANE ASSISTANCE

Government cranes, operators, and riggers will be available to assist the Contractor in the following tasks, only . The Government will use its own rigging gear (spreader bar and slings). Contractor shall be responsible for all other equipment, supplies, and worker requirements:

a. Repositioning of Draft Tube Slot Fillers on Contractor vehicles, as needed, in support of delivery to the McNary tailrace area.

Contractor shall be responsible for all cribbing, load securing, or related items required to protect Slot Fillers.

b. Off loading Draft Tube Slot Fillers from Contractor delivery vehicles at the McNary tailrace area. Contractor shall be responsible for all cribbing, securing, or related items required to protect Slot Fillers prior to placement in Draft Tube guide slots.

c. Lifting of Draft Tube Slot Fillers for At-Site Dimensional Conformance Tests. See SECTION 05 50 14.01 28 STRUCTURAL METAL FABRICATIONS, paragraph AT-SITE DIMENSIONAL CONFORMANCE TEST for additional information.

d. Placement of Draft Tube Slot Fillers in Draft Tube slots.

1.7 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

a. The roadway across McNary dam is not available for use by the public or by the Contractor, to include vehicle turnarounds. Public access across the Columbia River is over the interstate highway bridge located two miles downstream from the dam.

b. Hauling of materials and equipment will be permitted on the project's roadways, bridges and decks. Submit transport loading diagrams indicating wheel loads and axle configurations for transport vehicles to haul loads nearing or exceeding HS-20, in accordance with AASHTO LRFD Bridge Design Specifications. ( AASHTO LRFD Bridge Design Specifications defines HS-20 vehicles as having a gross vehicle weight of 72,000 lbs. and a maximum axle load of 32,000 lbs). Approximate maximum load capacity on roadways and decks at the dam is HS-20 load.

Loads exceeding HS-20 loads will not be allowed on Project roadways and decks unless approved otherwise by the KO. All transport vehicles nearing or exceeding HS-20 loads must have approved transport loading diagrams before accessing roadways, bridges, and decks at the dam.

c. Protect the various portions of the Project's structures from damage by traffic, prevent material from falling through the deck openings. Keep areas in use cleaned up and orderly at all times.

d. Vehicle speeds, special precautions, and safety measures shall be as directed by the KO. Maintain at least one way traffic at all times on these roadways, except that temporary blockage of the roadway will be allowed for short durations of time.

1.8 BOAT RESTRICTED ZONE POLICY (BRZ)

The Boat Restricted Zone (BRZ) Policy (including location) is attached at the end of this SECTION. Check with the KO for BRZ policy updates prior to the Pre-Delivery Meeting.

1.9 TRAFFIC CONTROL AND PUBLIC ACCESS

Existing public roads and access roads shall be kept open to vehicle traffic at all times. Conduct this work in such a manner as will obstruct and inconvenience traffic as little as possible. When necessary to operate on or cross existing highways or roads, furnish signs, lights, and/or other necessary safeguards to safely control and direct the flow of traffic. Obtain any and all required permits for such operations from the appropriate private or public authority at no additional cost to the Government.

1.10 PERMITS AND RESPONSIBILITIES

Contractor shall be responsible for complying with all Federal, State, and municipal laws, codes, and regulations applicable to work on this contract. This includes obtaining all necessary licenses and permits related to transportation of equipment and/or contract items, and other areas of work on this contract, as applicable. Licenses and permits shall be obtained without additional expense to the Government.

1.11 HAULING MATERIAL

No material shall be allowed to drop off vehicles while in transit. The Contractor shall take all necessary precautions to prevent any material from dropping off the vehicle onto local roads.

1.12 FIRE CONTROL

Each piece of internal combustion engine driven equipment used at the work site shall be equipped with a fire extinguisher in accordance with National Fire Protection Association (NFPA) recommendations as appropriate. The minimum approved rating of extinguishers shall not be less than 5-B:C.

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SECTION TABLE OF CONTENTS

DIVISION 05 - METALS

SECTION 05 50 14.01 28

STRUCTURAL METAL FABRICATIONS

PART 1 GENERAL

1.1 GENERAL INFORMATION

1.2 REFERENCES

1.3 SUBMITTALS

1.4 WORK PLAN

1.5 ASSEMBLY AND FABRICATION SEQUENCING PLAN

1.6 PRE-FABRICATION CONFERENCE

1.7 SHOP DRAWINGS

1.8 DELIVERY AND STORAGE

1.9 SLOT FILLER HANDLING

PART 2 PRODUCTS

2.1 MATERIAL AND DOCUMENTATION RECORDS

2.1.1 Materials Test Report

2.1.2 Product Data

2.2 STRUCTURAL STEEL

2.3 STRUCTURAL HOLLOW STRUCTURAL SECTION (HSS) MEMBERS

2.4 LIFTING BRACKET

2.4.1 Lifting Pin And Nut

2.5 ALIGNMENT PIN

2.6 LEAF SPRINGS

2.7 FASTENERS

2.8 FISH EXCLUSION BRUSHES

2.9 UHMW

2.10 REPAIR COMPOSITE

PART 3 EXECUTION

3.1 FABRICATION

3.1.1 General

3.1.2 Shop Assembly

3.1.3 Slot Filler Weight

3.1.4 Identification Plates

3.2 PAINTING

3.3 HOT DIP GALVANIZATION

3.4 SHOP CONTROL DIMENSIONS REPORT

3.4.1 Plumb Control Dimension

3.5 AT-SITE DIMENSIONAL CONFORMANCE TEST

3.6 PROTECTION OF FINISHED WORK

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SECTION 05 50 14.01 28

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SECTION 05 50 14.01 28

SECTION 05 50 14.01 28

STRUCTURAL METAL FABRICATIONS

PART 1 GENERAL

1.1 GENERAL INFORMATION

This Section covers the fabrication requirements, workmanship provisions, and miscellaneous metals, standard articles and shop fabricated items for McNary Powerhouse Turbine Draft Tube Slot Fillers. For fabrication requirements and workmanship provisions for items specified in this Section also conform to the requirements of SECTION 05 05 23.16 28

STRUCTURAL STEEL WELDING AND FABRICATION.

1.2 REFERENCES

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

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 303 (2010) Code of Standard Practice for Steel Buildings and Bridges

AISC 325 (2011) Steel Construction Manual

AISC 326 (2009) Detailing for Steel Construction

AMERICAN WELDING SOCIETY (AWS)

AWS A2.4 (2012) Standard Symbols for Welding, Brazing and Nondestructive Examination

AWS A3.0M/A3.0 (2020) Standard Welding Terms and Definitions

ASTM INTERNATIONAL (ASTM)

ASTM A123/A123M (2017) Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products

ASTM A36/A36M (2019) Standard Specification for Carbon Structural Steel

ASTM A193/A193M (2017) Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service and Other Special Purpose Applications

ASTM A304 (2020) Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements

ASTM A322 (2013) Standard Specification Steel Bars, Alloy, Standard Grades

ASTM A563 (2021; E 2022a) Standard Specification for Carbon and Alloy Steel Nuts

ASTM A572/A572M (2015) Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

ASTM A780/A780M (2020) Standard Practice for Repair of Damaged and Uncoated Areas of Hot-Dip Galvanized Coatings

ASTM A1085/A1085M (2015) Standard Specification for Cold-Formed Welded Carbon Steel Hollow Structural Sections (HSS)

ASTM D695 (2010) Standard Test Method for Compressive Properties of Rigid Plastics

ASTM D1002 (2010) Apparent Shear Strength of Single-Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading (Metal-to-Metal)

ASTM D4541 (2017) Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers

ASTM F835 (2023) Standard Specification for Alloy Steel Socket Button and Flat Countersunk Head Cap Screws

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 Safety and Occupational Health Requirements

Comply with the current edition and all changes posted on the web as of the effective date of this solicitation.

1.3 SUBMITTALS

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

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

Designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. Submit in accordance with SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Work Plan ; G, ST

Shop Drawings ; G, ST

Slot Filler Handling Plan ; G, ST

SD-02 Shop Drawings

Assembly and Fabrication Sequencing Plan ; G, ST

Delivery/Shipping Plan ; G, ST

SD-03 Product Data

Fish Exclusion Brushes ; G, ST

Repair Composite ; G, ST

Materials List ; G, ST

Material Test Reports ; G, ST

Product Data ; G, ST

Adhesive Thread Locker ; G, ST

< SD-05 Design Data

Draft Tube Slot Filler Weight ; I, ST

SD-06 Test Reports

Hanging Plumb Correction ; G, ST

Shop Control Dimensions Report, CLIN 0001 ; G, ST

Shop Control Dimensions Report, CLIN 0003 ; G, ST

Shop Control Dimensions Report, CLIN 0004 ; G, ST

Shop Control Dimensions Report, CLIN 0005 ; G, ST

Shop Control Dimensions Report, CLIN 0006 ; G, ST

Shop Control Dimensions Report, CLIN 0007 ; G, ST

SD-11 Closeout Submittals

At-Site Dimensional Conformance Test, CLIN 0001 ; G, ST

At-Site Dimensional Conformance Test, CLIN 0003 ; G, ST

At-Site Dimensional Conformance Test, CLIN 0004 ; G, ST

At-Site Dimensional Conformance Test, CLIN 0005 ; G, ST

At-Site Dimensional Conformance Test, CLIN 0006 ; G, ST

At-Site Dimensional Conformance Test, CLIN 0007 ; G, ST

1.4 WORK PLAN

Submit a detailed Work Plan for fabrication, including descriptions of shop facilities, equipment, number of personnel, and related information prior to the Pre-Fabrication Conference. Update the Work Plan as conditions warrant. Provide procedures which ensure safe conduct of the work, careful removal and disposal of materials, protection of property that is to remain undisturbed, and coordination with other work in progress. Include in the procedures a detailed description of the methods and equipment to be used for each operation, and the sequence of operations in accordance with EM 385-1-1 for all onsite work. Include detailed distortion control methods and procedures in the Work Plan.

1.5 ASSEMBLY AND FABRICATION SEQUENCING PLAN

Provide drawings and detailed descriptions of the fabrication sequence of all components and subassemblies. Provide drawings and detailed descriptions of the assembly of components into the final structure.

Include details in the assembly and fabrication sequencing plan describing fit-up, welding sequences of individual components and the completed assembly, and identify required hold points necessary for weld inspection in accordance 05 05 23.16 28 . The Assembly and Fabrication sequence plan will be evaluated to show that the fabricator is sequencing the work to control distortion, shrinkage, residual stresses and to meet required tolerances.

1.6 PRE-FABRICATION CONFERENCE

Following approval of Contractor prepared shop drawings, conduct a Prefabrication Conference a minimum of 30 calendar days prior to any fabrication. Include in the Prefabrication Conference, at a minimum, the Prime Contractor, Fabricator, the Fabricator's primary QC representative, representative from the third party testing lab if applicable, the Contracting Officer (KO), the Government Quality Assurance Representative, and the Engineer of record for the structure or structures being fabricated. The Prefabrication Conference is required to occur either at the Fabrication Facilities or a similar location as deemed appropriate.

Include, at a minimum, in the prefabrication conference the review of the Contract and Shop drawings, the review of these specifications, discussion of the fabricator's QCP, and identification of roles and responsibilities including roles and responsibilities of fabrication subcontractors.

Prepare for this meeting by reviewing plans and specifications and code concerns prior to this meeting and be prepared to discuss any issues regarding the fabrication including WPS requirements and required witnessing of testing. Submit welding procedure specifications (WPS) per 05 05 23.16 28 a minimum of 14 calendar days prior to the pre-fabrication conference. Discuss feasibility of all welds and detailing; clarity of weld symbols; methods needed to prevent distortion. Identify and be prepared to discuss complicated connections that may require prototyping for both welding and inspection. In addition, hold points/witness points are required to be established during the prefabrication conference.

1.7 SHOP DRAWINGS

a. Prior to performing any fabrication of structures submit detailed shop drawings to the KO for approval. Show complete details of materials, tolerances, connections, and proposed welding sequences on shop drawings. Include catalog cuts, templates, fabrication and assembly details, and type, grade, and class of materials, as appropriate on shop drawings. Include the weight of the structure on the shop drawings. Utilize AWS A2.4 , AWS A3.0M/A3.0 , AISC 303 , AISC 325 , and AISC 326 for shop drawing preparation. Fabricator is required to provide an electric copy of the approved set of fabrication drawings to the KO prior to the start of fabrication.

b. Provide a table containing a list of all members and a reference to each material certificate and test report that applies to that member.

c. Identify on the shop drawings weld procedures and NDE required for each weld. Include any and all splices in the shop drawings and clouded for engineer approval. Do not include splices in the structure without approval of the KO.

d. Prepare all shop drawings. Elements of fabricated items inadvertently omitted on contract drawings are to be returned to the KO for detailing or be detailed by the fabricator and so indicated on the shop drawings. Cloud any and all details developed by the fabricator on the shop drawings for separate approval by the KO.

Utilize an approved Registered Professional Engineer for any items designed by the Contractor. Contractor designed items are to be stamped by the approved Engineer who performed or oversaw the design.

e. Identify all welds on the shop drawings. Welds that were missed on the contract drawings shall be clearly identified. If field welds are required, clearly indicate all field welds on the shop drawings.

Provide a unique identifier for each weld, both shop and field welds, to permit tracking on the weld tracking log.

1.8 DELIVERY AND STORAGE

Notify the KO at least 9045 calendar days in advance of delivery of the structures. Shipping of the structures are at the Contractor's expense.

Deliver all structures to the tailrace deck at McNary Lock and Dam identified in the contract drawings. Coordinate all deliveries through the KO. Arrange the structures on the delivery vehicles or vessels such that no damage occurs during shipping. Submit a Delivery/Shipping Plan showing all orientations and locations of structures on the delivery vehicles or vessels prior to shipment for Government approval. Include with the plan the weight of each item to be offloaded. If repositioning of the slot filler is required once the slot filler makes it to McNary, but before it is delivered to the tailrace deck, that must be indicated on the plan and be clearly communicated when notice for delivery is sent. Cranes available for repositioning must be operated by McNary personnel. McNary only has one 30 and one 90 ton mobile crane. Any other crane needed must be provided by the contractor.

All items damaged or not meeting contract requirements will be returned to the Contractor for correction at no additional cost to the Government. The Contractor shall be responsible for correcting all damage that occurred during shipping, including coating damage, prior to Government final acceptance, at no additional cost to the Government.

Protect structural steel members and packaged materials from corrosion and deterioration. Store material in a dry area. Support materials stored outdoors above ground surfaces on wood runners and protect with UV-resistant covers.

1.9 SLOT FILLER HANDLING

Take care while lifting the slot filler assembly from horizontal position to vertical position. Submit a Slot Filler Handling Plan for approval at least 30 calendar days before moving the completely assembled structure.

Include details, diagrams and/or drawings that identify the plan for lifting the slot filler from a horizontal to a vertical position. Include the locations, method of lift and all attachments to the slot filler in

SECTION 05 50 14.01 28

the slot filler handling plan. Do not weld any lifting devices not shown in the contract drawings or approved in the shop drawings to the slot filler. All handling of slot filler shall be done by means of slings and spreader beams.

PART 2 PRODUCTS

2.1 MATERIAL AND DOCUMENTATION RECORDS

2.1.1 Materials Test Report

Submit a Materials List of the materials to be used in the fabrication of each item at the time the detail drawings are submitted. Submit Material Test Reports together with purchase orders for all material used in fabrication prior to incorporation into the structure. Purchase orders must include the test site address and the name of the testing agency.

All steel used in this Contract is required to be tested by the steel mill to ensure that it meets the required standards

2.1.2 Product Data

Submit product data together with purchase orders for all materials that do not require material test reports prior to the use of the materials in the work.

2.2 STRUCTURAL STEEL

Provide ASTM A572/A572M , grade 50 for all structural steel unless otherwise specified. Mill repairs of base metal are prohibited. Meet all requirements of ASTM A572/A572M and include mill certification.

2.3 STRUCTURAL HOLLOW STRUCTURAL SECTION (HSS) MEMBERS

Provide ASTM A1085/A1085M , with 50 ksi minimum yield strength for all HSS members. Mill repairs of base metal are prohibited. Meet all requirements of ASTM A1085/A1085M and include mill certification.

2.4 LIFTING BRACKET

Provide ASTM A572/A572M , grade 50 for lifting brackets. Mill repairs of base metal are prohibited. Meet all requirements of ASTM A572/A572M and include mill certification. The lifting bracket shall be welded to the structure as indicated on contract drawings. Weld the alignment pin per SECTION 05 05 23.16 28 STRUCTURAL STEEL WELDING AND FABRICATION, paragraph "Welding Operations".

2.4.1 Lifting Pin And Nut

Provide lifting pins that conform to ASTM A193/A193M Grade B7, with 100 ksi minimum yield strength for all lifting pins. Provide ASTM A563, Grade DH nuts. Threads shall be UNC, sized as indicated on contract drawings.

Tighten to the snug-tight condition, per SECTION 05 05 23.16 28 STRUCTURAL STEEL WELDING AND FABRICATION, paragraph "Bolted Connections". Nuts shall be locked from backing off by medium strength adhesive thread locker .

2.5 ALIGNMENT PIN

Provide ASTM A36/A36M alignment pins. The alignment pin shall be welded to the structure as indicated on contract drawings. Weld the alignment pin per SECTION 05 05 23.16 28 STRUCTURAL STEEL WELDING AND FABRICATION, paragraph "Welding Operations".

2.6 LEAF SPRINGS

Provide Leaf Springs made from Alloy 5160H meeting the requirements of ASTM A322. Provide a minimum hardness of 55 HCR conforming to ASTM A304.

2.7 FASTENERS

All fasteners provided must conform to the following standards:

a. Flat head screws for leaf springs/bearing shoes/guide shoes/dogging beam receiver - ASTM F835, zinc finish, allen socket.

b. Nuts - ASTM A563, Grade DH

2.8 FISH EXCLUSION BRUSHES

Submit product data sheet for approval prior to use in the structure fish exclusion brushes including the following in the submittal:

a. Brush material and length.

b. Backing material and size.

c. Holder material and size.

d. Holder mounting method and any mounting hardware including hardware spacing.

e. Backing and holder coating system.

Typical industry names for these brushes are strip brushes or sweeper brushes. The brushes shall be no shorter than three inches and no longer than four inches when measured from the back of the holder to the end of the brush bristles. The brush material shall be nylon. The backing material and holder shall be steel. If a steel holder is not available, aluminum or stainless steel is permissible but a rubber isolation pad shall be used so that no aluminum or stainless steel is in contact with the slot filler when it is fully assembled. The mounting method should be welded to the structure if possible. Bolting is acceptable, but not preferred. If the mounting method is bolted, the bolted connection shall include a locking mechanism to ensure the bolts do not vibrate loose. All mounting bolts, nuts, and washers shall be stainless steel with an isolation sleeve used to protect any steel or aluminum in contact with the stainless steel hardware. All steel components of the brushes shall be painted or coated with paint system 5-E-Z according to SECTION

09 97 02.01 28 , PAINTING: HYDRAULIC STRUCTURES.

2.9 UHMW

UHMW components shall be fabricated from Ultraviolet Light Stabilized (UV) Black virgin or Reprocessed, Ultra High Molecular Weight Polyethylene (UHMW PE) meeting the following requirements:

PHYSICAL TEST TEST VALUE TEST METHOD SPECIFICATION

Density 0.93 g/cm^3 ASTM D412

Tensile Break 5,000 psi (min) ASTM D638

Elongation @ Break 300%

Flexural Modulus 100,000 psi (min) ASTM D790

PHYSICAL TEST TEST VALUE TEST METHOD SPECIFICATION

Abrasion internal Steel=100

IZOD Impact Notched Double notched Linear Coefficient of thermal Expansion

No Break 24 ft*lb/in 0.5x10^-5 in/in/F

ASTM D256

ASTM D696

Coefficient of Friction Static 0.2 (max) Dynamic 0.15 (max)

ASTM D1894

ASTM D1894

2.10 REPAIR COMPOSITE

The repair composite or paste grade two-component solvent-free epoxy resin reinforced with silicon steel alloy is used to smooth the transition on the spreader base between the two horizontal Hollow Structural Sections (HSS). Coordinate with the manufacturer and the KO when to apply the repair composite in relation to blasting, painting, and other coating application. Submit manufacture specifications prior to use for government approval meeting the following requirements:

a. A tensile shear strength exceeding 3,250 psi meeting the requirements of ASTM D1002.

b. A compressive strength exceeding 8,500 psi meeting the requirements of

ASTM D695.

c. A pull off adhesion exceeding 2,100 psi ,meeting the standards of

ASTM D4541.

PART 3 EXECUTION

3.1 FABRICATION

3.1.1 General

Fabricate all structural steel items as per the approved shop drawings, the requirements of this specification, and the requirements of SECTION

05 05 23.16 28 STRUCTURAL STEEL WELDING AND FABRICATION.

3.1.2 Shop Assembly

Assemble each slot filler in the shop to determine the correctness of the fabrication and matching of the component parts unless otherwise specified. Do not exceed those tolerances shown. Closely check each structure assembled to ensure that all necessary clearances have been achieved. Immediately remedy errors or defects disclosed by the Contractor without cost to the Government.

3.1.3 Slot Filler Weight

Assemble each slot filler in the shop to determine a final weight. Submit Draft Tube Slot Filler Weight as a information only submittal and add the measured weight to the final contract drawings. Weight should be accurate to the closest hundred pounds. Do not include weight of any lifting devices as part of the weight submittal.

3.1.4 Identification Plates

As indicated on the contract drawings provide a unique manufacture data labels for each slot filler and each dogging beam. Number the slot fillers 09-14 and label them north/south depending on which slot the slot filler was fabricated to fit. Contact the KO for the unit numbers a minimum of 90 calendar days prior to delivery of each slot filler set. Example identification sequence: 09 North, 09 South, 10 North, 10 South, 11 North, 11 South, etc. Each slot filler manufacture data label shall include the following:

a. The name of the structure.

b. The weight of the structure (in pounds).

c. The unit number associated with the structure.

d. The North/South designator depending on how the structure was fabricated.

Each dogging beam manufacture data label shall include the following:

a. The name of the structure the dogging beam will be used for.

b. The weight of the structure (in pounds).

Weld the identification plates and flow arrows to the structures prior to painting. See drawing S-901 for example identification plates.

3.2 PAINTING

Paint all exposed surfaces of the structure, to include slot filler, legs, lifting brackets, aligning pins, aligning weldments, lifting pins, bolts, nuts, washers, and all other slot filler components as specified in SECTION 09 97 02.01 28 , PAINTING: HYDRAULIC STRUCTURES. Grind all edges and remove all weld spatter prior to coating. Accomplish grinding plate edges before paint preparation in order to remove hardness as a result of flame cutting. Break all corners, edges, and holes to a 1/16 inch radius prior to painting.

3.3 HOT DIP GALVANIZATION

Apply zinc coating in a manner and of a thickness and quality conforming to ASTM A123/A123M . Hot dip galvanize the interior of all Hollow Structural Sections (HSS). This includes HSS used in the legs and for the spreader base. Blast any galvanization on the exterior of the HSS prior to painting. Where interior zinc coating is destroyed by cutting, welding, or other causes, regalvanize the affected areas. Repair coatings less than 2 ounces in accordance with ASTM A780/A780M .

3.4 SHOP CONTROL DIMENSIONS REPORT

After fabrication of each structure, but prior to painting, record and submit control dimensions report of the actual fabricated dimensions for each slot filler. Submit reports a minimum of 14 calendar days prior to shipping of each Slot Filler set. Verify all pieces meet tolerances stated within these specifications and drawings. The control dimensions are required to be witnessed by a Government representative. Provide at least 30 calendar days notice to the Government prior to the control dimensions test. Measure control dimensions at a minimum of two locations, one per side.