W912EF18B0025-0001_revised_specifications.pdf

McNary Lamprey South Fishladder Permanent Entrance Structure W912EF18B0025 Amend-0001

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

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CONTRACTOR WORK, ACCESS AND STORAGE AREAS

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 CONTRACTOR'S STORAGE AND STAGING AREA

1.4 CONTRACTOR ACCESS TO WORK AREA

1.5 CONTRACTOR ACCESS TO FISHWAY

1.6 INSTALLATION PLAN

1.6.1 Inspection of Government Property

1.6.2 Telescoping Weir Operation

1.7 ROADWAY ACROSS THE TOP OF THE DAM

1.8 OVERHEAD POWER TRANSMISSION LINES

1.9 TRAFFIC CONTROL AND PUBLIC ACCESS

1.9.1 Public Access Barriers

1.10 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

1.11 DUST CONTROL PLAN

1.12 HAULING MATERIAL

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

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SECTION 01 55 10.00 28

CONTRACTOR WORK, ACCESS AND STORAGE 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 (Fifth Edition) LRFD Bridge Design Specifications

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 Safety and Health Requirements Manual

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

Installation Plan; G C

Transport Loading Diagrams; G ST

Dust Control Plan; I C

1.3 CONTRACTOR'S STORAGE AND STAGING AREA

a. Storage and staging areas shall be at locations indicated or as otherwise approved. The storage and staging areas may be used for activities such as setup of an office trailer, parking of private vehicles, storage of materials and equipment, and for work activities.

See SECTION 01 51 00.00 28 TEMPORARY UTILITIES for information related to available utilities.

b. Office trailer shall be located near the Project warehouse at a location coordinated with the COR. Limited storage and staging will be available closer to the work area.

SECTION 01 55 10.00 28

c. Security at the storage and staging site(s) shall be the Contractor's responsibility. Install temporary security fencing in a manner approved by the Contracting Officer. Security fencing may not be installed in a manner that damages existing facilities, such as punching post holes in existing pavement.

1.4 CONTRACTOR ACCESS TO WORK AREA

All access to the work area for Contractor personnel, materials, and equipment will be from the lower parking lot on the Oregon side of the dam.

1.5 CONTRACTOR ACCESS TO FISHWAY

a. All Contractor access to the Adult Fishway and/or Tailrace areas shall be from the tailrace deck. Fishway will NOT be unwatered for work on this Contract. Coordinate Contractor access to these areas, with the COR a minimum of 1 week prior to anticipated access date(s).

Coordinate Dive Operations, and Unit outages, as specified in SECTION

01 35 10.00 28 DIVING.

b. COR approval is required prior to all Contractor access to the Tailrace area and/or Adult Fishway. Government personnel will complete and verify the following prior to COR approval of diver access to these areas:

1. All required turbine units, necessary for diver safety, will be offline, and tagged out.

2. Adult Fishway water supply pumps, will be off-line, and tagged out.

3. Fishway isolation logs, upstream of the work area, will be installed, if requested by the Contractor. Coordinate installation with the KO a minimum of 1 week prior to anticipated date required. Isolation logs will be installed as-is, but may stick. Government can minimize flow to the area, but cannot guarantee complete isolation. See SECTION 01 35 10.00 28 DIVING, paragraph ANTICIPATED DIVING ENVIRONMENT for additional information.

c. The Contractor shall remove the existing Entrance Structure. Once the existing Entrance Structure is removed, Contractor shallthe Government will install entrance bulkheads (provided by the Government), prior to additional diver access to the Adult Fishway. Entrance bulkheads isolate the fishway from the tailrace area.

d. Entrance bulkheads may need to be removed in order for the Contractor to complete the Modified Entrance Structure installation.

e. COR approval is required prior to Contractor removal of entrance bulkheads.Coordinate Government installation and removal of entrance bulkheads, with the COR, a minimum of 1 week prior to anticipated installation and/or removal dates.

1.6 INSTALLATION PLAN

The Contactor shall submit a detailed plan for removal of existing Lamprey Entrance structure, and installation of modified Lamprey Entrance

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structure, and all related items and/or features of this contract. The plan shall be complete and shall consist of drawings, sketches, computations, catalog data, sizes of equipment, and any other information to fully describe methods of access for personnel, equipment, and materials, as well as removal and installation of the Lamprey Entrance structure. Include entrance bulkhead installation and removal, as well as walkway and/or telescoping weir removal and reinstallation, if required.

Fill all Contractor generated holes (from temporary anchors, unused holes created by the Contractor during the execution of the work, etc.) with an approved grout. All concrete is heavily reinforced.

1.6.1 Inspection of Government Property

Government Personnel will inspect items and equipment removed for work on this contract, that are to be reinstalled. Coordinate removal and reinstallation with the Contracting Officer (KO).

1.6.2 Telescoping Weir Operation

a. All operation of Telescoping Weir equipment (as well as any required removal, reinstallation, or dogging of the Weir) will be performed by the Government.

b. Coordinate required Telescoping Weir operation a minimum of 2 hours prior to anticipated movement of the Weir, during typical Government Work Schedule. Coordinate removal, reinstallation, dogging and/or undogging of the Telescoping Weir a minimum of 1 week prior to anticipated removal, reinstallation, and/or dogging operation dates.

c. See Section 01 14 00.10 28 PROJECT SITE RESTRICTIONS, paragraph "Government's Work Schedule", for additional information on Government Work Schedule and project support.

1.7 ROADWAY ACROSS THE TOP OF THE DAM

The roadway across McNary dam is not available for use by the Contractor.

Access across the Columbia River is over the interstate highway bridge located two miles downstream from the dam.

1.8 OVERHEAD POWER TRANSMISSION LINES

Check cover sheet in the Plans for approximate locations of overhead power transmission lines. Elevations are approximately 70 feet above the tailrace deck, but vary with temperature. Verify overhead transmission line location and elevation range before beginning work. Refer to EM 385-1-1 OPERATIONS ADJACENT TO OVERHEAD LINES for minimum clearance and other requirements.

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.

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1.9.1 Public Access Barriers

In areas where the public has access to the job site, construct temporary barriers around ongoing work with bright orange plastic fencing. The barrier shall be maintained until completion of the individual piece of work.

1.10 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

a. Hauling of materials and equipment will be permitted on the project's roadways, bridges and decks, unless otherwise specified.

Submit transport loading diagrams indicating wheel loads and axle configurations for transport vehicles to haul loads 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 Project roadways 1.2 times higher than HS-20 load. All transport vehicles exceeding HS-20 loads must have approved transport loading diagrams before accessing Project roadways. Protect the various portions of the Project's structures from damage by traffic, prevent material from falling through the deck openings, and also keep the areas in use cleaned up and orderly at all times during use. Vehicle speeds, special precautions, and safety measures shall be as directed by the Contracting Officer.

b. To the maximum extent possible, at At least one lane shall be kept open for Government vehicle traffic at all times on these roadways.

There will be ongoing Government work on the tailrace deck near the Contractor work area. Contractor shall maintain vehicle access to all Government buildings and/or equipment, unless approved otherwise by the Contracting Officer.

1.11 DUST CONTROL PLAN

Responsible during dust generating activities to prevent the dust from spreading. Submit a written Dust Control Plan for approval.

1.12 HAULING MATERIAL

No material shall be allowed to drop off vehicles while in transit. In order to prevent any material from dropping off the vehicle onto local roads, all vehicles that have entered the material loading site shall be washed off prior to leaving the site. Wash-off site shall be in an area that has been approved by the Contracting Officer. Contractor is responsible for providing the wash water and truck washing system.

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used) -- End of Section --

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