18R0025_specs_01_55_10.00_28_Amend-0003.pdf

Lower Granite Navlock Miter Gate Pintle Modifications W912EF18R0025 Amend-0003

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 55 10.00 28

CONTRACTOR WORK, ACCESS AND STORAGE AREAS

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 CONTRACTOR'S STORAGE AND STAGING AREA

1.3.1 Contractor Modifications of Storage and Staging Areas.

1.4 CONTRACTOR TRAILER(S) CROSSING INTAKE DECK

1.5 CONTRACTOR ACCESS TO NAVIGATION LOCK

1.6 NAVIGATION LOCK GATE OPERATION

1.7 CONTRACTOR ACCESS TO CULVERT VALVE SHAFT

1.7.1 Dewatering of the Drainage Culverts

1.7.2 Hoist System Plan

1.7.3 Scaffolding System Plan

1.7.4 Government Access During Work

1.8 DECK LOADING RESTRICTIONS

1.9 CONSTRUCTION DEBRIS AND WASTE WATER

1.10 INTERFERENCES ON THE POWERHOUSE INTAKE DECK

1.11 ACTIVE ROADWAY HOURS

1.12 ACTIVE ROADWAY REQUIREMENTS

1.13 ROADWAY CLOSURE COORDINATION REQUIREMENTS

1.14 TRAFFIC CONTROL AND PUBLIC ACCESS

1.14.1 Public Access Barriers

1.15 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

1.16 DUST CONTROL PLAN

1.17 FIRE CONTROL

1.17.1 Fire Hazards

1.17.2 Fire Equipment

1.17.3 Fire Procedures

1.17.4 Wild Land Fire Control

1.18 HAULING MATERIAL

PART 2 PRODUCTS (Not Used)

PART 3 EXECUTION (Not Used)

-- End of Section Table of Contents --

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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

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ANSI A10.22 (2007; R2017) Requirements for Rope-Guided and Non-Guided Workers’ Hoists

ANSI A10.4 (2016) Safety Requirements for Personnel Hoists and Employee Elevators on Construction and Demolition Sites

ANSI A10.8 (2011) Scaffolding Safety Requirements

ASME INTERNATIONAL (ASME)

ASME B30.7 (2011) Winches

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

Transport Loading Diagrams; G ST

Hoist System Plan; G C

SECTION 01 55 10.00 28

Scaffolding System Plan; G ST

Dust Control Plan; I C

Wild Land Fire 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. Except as noted below, Contractor storage and staging shall be located on the North Shore of the Project at a location coordinated with the COR. 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.

b. Office trailers shall be located on the North Non-overflow deck at an approved location, unless otherwise indicated by the COR. Office trailer width in limited to 8 feet. Total, combined length of all office trailers is limited to 60 feet. Additional storage and staging area(s) shall be located on the North side of the Project, and/or as coordinated with the COR.

c. Temporary staging will be made available on the Navigation Lock Deck for transfer of equipment and supplies between the deck and the Navigation Lock area. See paragraphs ACTIVE ROADWAY HOURS, and ROADWAY CLOSURE COORDINATION REQUIREMENTS for additional intake deck information.

d. Contractor shall maintain access for Project Personnel to the Navigation Lock control area, all gates, Project Access areas, and equipment.

e. Security at the storage and staging site(s) will 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.

1.3.1 Contractor Modifications of Storage and Staging Areas.

Any Contractor modifications of storage and staging areas must be approved by the COR prior to any modification. Any areas modified by the Contractor must be restored to a condition equal or better than their pre-existing condition prior to Contractor leaving the work site.

1.4 CONTRACTOR TRAILER(S) CROSSING INTAKE DECK

Due to the Navigation Lock road configuration, Contractor trailer lengths crossing the Navigation Lock are restricted to a maximum of 40 feet.

1.5 CONTRACTOR ACCESS TO NAVIGATION LOCK

a. The Government will unwater and rewater the Navigation Lock for Contractor access. See SECTION 01 14 00.10 28 PROJECT SITE RESTRICTIONS, paragraph SITE CONDITIONS AND OPERATIONAL RESTRICTIONS for information related to the Navigation outage and Contractor work windows and restrictions.

b. Walkways and related ladders installed by the Government will be located between the floating bulkhead and downstream Navigation Lock gate. Walkway and ladder system is for personnel access only. All other Contractor access to the Navigation Lock area shall be provided by the Contractor.

c. Leakage in the Navigation Lock drains into a Project sump, that is maintained by the Government. The Contractor willshall be responsible for maintaining the unwatered Navigation Locktheir unwatered work areas during the outage. Expect approximatelyup to 1 foot of standing water in the area downstream of the Downstream Navigation Lock sillwork area(s) upstream of the floating bulkhead, after dewatering of the Navigation Lock. See Section 05 60 05.00 28 PINTLE BEARING, GREASE LINE, AND CULVERT REPAIRS, paragraph WORK AREA DEWATERING for additional information.

1.6 NAVIGATION LOCK GATE OPERATION

a. All operation of Navigation lock gate equipment will be performed by the Government. This includes adjusting Water Surface Elevation (WSE) when filling and/or emptying the lock, and any adjustment to the Navigation Lock gates or other equipment.

b. The Government's Powerhouse Operator will move the gate leaves to any degree of open or closed the Contractor requests (within the operating limits of the Navigation Lock Gate). Coordinate required Navigation Lock Gate operation a minimum of 2 hours prior to anticipated movement of gate leaves, during typical Government Work Schedule. Coordinate WSE adjustments, within the Navigation Lock, a minimum of 24 hours prior to anticipated adjustment.

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. Required duties or emergency operations may impact Project Operator's ability to operate Navigation lock gates.

1.7 CONTRACTOR ACCESS TO CULVERT VALVE SHAFT

1.7.1 Dewatering of the Drainage Culverts

a. The Government will unwater and rewater the Drainage Culverts.

Contracting Officer approval is required prior to Contractor entering Drainage Culverts. Anticipate leakage causing minor amounts of water to flow through the culvert. Water diversion may be necessary to allow for the crack sealing and spall repair. See SECTION 03 30 90.00 28 CRACK GROUTING AND CONCRETE REPAIR for additional information.

b. The Drainage Culverts will be rewatered on the same schedule as the Navigation Lock. See SECTION 01 14 00.10 28 PROJECT SITE RESTRICTIONS.

1.7.2 Hoist System Plan

The Contractor shall submit a hoist system plan that provides details of hoisting equipment to be used, safety and lifting capacity, the equipment footprint and set-up location. All components and systems shall conform to the requirements of the following standards: EM 385-1-1, ANSI A10.22, ANSI A10.4, and ASME B30.7. If any of these standards conflicts with

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Line another, the more restrictive requirements shall be used. The proposed System Plan shall be certified by a professional engineer or the manufacturer that it conforms to the applicable standards. Hoisting equipment shall only be operated by designated qualified personnel. Proof of qualifications shall be included in the plan.

1.7.3 Scaffolding System Plan

a. The Contractor shall submit a scaffolding system plan that provides details of scaffolding equipment to be used, erection and installation plans, capacity, anchoring locations and set-up location. All components and systems shall conform to the requirements of the following standards: EM 385-1-1, Section 22, and ANSI A10.8. If any of these standards conflicts with another, the more restrictive requirements shall be used.

b. The proposed System Plan shall be certified by a professional engineer. Proof of qualifications shall be included in the plan.

Scaffolding System Plan shall include, but not be limited to, the following:

1. Site conditions (ground conditions, overhead utilities, etc.).

2. Identity of specific type of scaffolding to be used.

3. Scaffold dimensions to include height, width, depth and length.

4. Load calculation for the anticipated work load and wind loading.

5. The name of the Competent Person (CP) for Scaffolding.

6. The method of marking or barricading.

1.7.4 Government Access During Work

During the scheduled lock outage, the Government will inspect the Navigation Lock Tainter Valve System. The Government will make efforts to schedule this inspection to minimize impact on the Contractors work schedule. This inspection will take approximately two (2) hours per valve shaft for each of the two (2) valve shafts. During this inspection, the Contractor shall provide access for Government personnel and equipment, via the Contractor's hoist system, to access the valve shaft for inspection of the tainter valve system.

1.8 DECK LOADING RESTRICTIONS

In addition to the requirements of Section 01 35 29.10 28, the following restrictions apply to crane set-up on Navigation Lock road decks:

1. Outrigger pads and/or cribbing shall not bear on metal grating at road deck openings.

2. Bearing area of outrigger pads and/or cribbing shall be a minimum of 3.1 square feet or 452 square inches.

3. The maximum allowable bearing pressure of a single outrigger will be 31,850 psf or 221 psi.

1.9 CONSTRUCTION DEBRIS AND WASTE WATER

a. Contractor debris, tools, wastewater, etc. shall not pass through existing grating, manifold system, or other openings in or near the work areas. Provide methods to protect Contractor items and waste from passing through openings.

b. All construction waste water associated with cementitious grouting work, sawcutting, anchor drilling, or other work on this Contract, that accumulates within dewatered areas, or water in contact with fresh cementitious grout, shall be removed and treated in accordance with

SECTION 01 57 20.00 28 ENVIRONMENTAL PROTECTION.

1.10 INTERFERENCES ON THE POWERHOUSE INTAKE DECK

The fish diversion screens (ESBS's) located in the bulkhead (emergency gate) slots are submerged and in operation from early March until early December every year. When not in use, December through February, the screens are raised and dogged off at the intake deck. When raised and dogged the ESBS's extend approximately 15 feet above intake deck level.

Each screen is approximately 23 feet wide and 4 feet in depth. A screen is in every emergency gate slot. During the operating season, March through December, individual screens will be raised when repairs are necessary then lowered after repairs are completed. When raised and dogged the screens will interfere with movement of construction equipment, especially cranes.

Handrails around the emergency slots are in place throughout the year.

1.11 ACTIVE ROADWAY HOURS

The roadway over Lower Granite Dam and on each side, is an open and active roadway during the day. The roadway is closed on Thanksgiving Day, Christmas Day, and New Years Day, only. Hours of roadway operation are, typically, 0600 to 1800 hours daily.

1.12 ACTIVE ROADWAY REQUIREMENTS

a. The Contractor shall maintain a minimum of one lane of traffic open for travel at all times during the Active Roadway Hours. See paragraph ROADWAY CLOSURE COORDINATION REQUIREMENTS for total road closure coordination requirements.

b. Required traffic lane must be 13 feet wide, minimum.

c. Access for a standard size utility vehicle (6 foot width minimum) from the powerhouse to the navigation lock, and each side of any roadway closure must be maintained at all times.

d. Both lanes of the public roadways on project property may be closed between 1800-0600 provided required Project access is maintained. Due to possible impacts to other contracts, complete closures must be coordinated with the Contracting Officer as outlined in paragraph

ROADWAY CLOSURE COORDINATION REQUIREMENTS.

e. The following shall be coordinated with the COR a minimum of 24 hours prior to impacts to North Non-overflow deck access. Any changes to the agreed upon schedule and coordination must be approved by the Contracting Officer prior to commencement of impacted work or operations.

1. Contractor shipments across deck.

2. Removing equipment and materials from deck.

1.13 ROADWAY CLOSURE COORDINATION REQUIREMENTS

All complete roadway closures must be approved by the Contracting Officer prior to closure as outlined below:

a. In the event closing both lanes of traffic is required during active roadway hours (see paragraph ACTIVE ROADWAY HOURS), the following coordination is required:

1. Short duration roadway closures are limited to a maximum of 30 minutes at a time with at least 2 hours between closures. Notify Contracting Officer of closure requirement a minimum of 2 Government work days prior to anticipated closure to allow coordination with other project and contract work.

2. Anticipated roadway closures over 30 minutes must be approved by the Contracting Officer a minimum of 14 calendar days prior to closure to allow for public notification. Submit closure requirements a minimum of 21 days prior to anticipated closure.

3. Roadway closures over 1 hour in duration will not be allowed during active roadway hours.

b. The Contractor shall submit all anticipated roadway closures outside of active roadway hours, to the Contracting Officer a minimum of 5 Government work days prior to closure to allow for coordination with other project and contract work.

c. Roadway closures required by the project for anticipated Government work must be accounted for in the Contractor's work plan. See paragraph ACTIVE ROADWAY REQUIREMENTS.

d. In the event of an emergency, immediate access shall be given for emergency vehicles.

1.14 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.

1.14.1 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.

1.15 GOVERNMENT ROADWAYS AND DECK ACCESS RESTRICTIONS

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 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 over the dam is 2.0 at Granite times higher than HS-20 load. All transport vehicles exceeding HS-20 loads must have approved transport loading diagrams before accessing roadways over the dam. 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. To the maximum extent possible, at least one lane shall be kept open for vehicle traffic at all times on these roadways.

1.16 DUST CONTROL PLAN

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

1.17 FIRE CONTROL

1.17.1 Fire Hazards

The Contractor shall eliminate all potential fire hazards that may result from his/her operations. This includes work on or near buildings, grounds, use of equipment, and the storage of supplies, fuels, or cleaning agents.

This also includes the removal of any accumulation of burnable or flammable materials or debris around chain-linked fences, signs, and other fixtures within the contract area.

1.17.2 Fire Equipment

The Contractor shall take precautions to minimize fire hazards caused by work under this contract. All Contractor vehicles shall be equipped with a shovel, bucket, and an A:B:C fire extinguisher at all times during the performance of work on Government lands. All fire extinguishers shall have been checked within 6 months prior to commencement of work by a certified fire extinguisher representative. A visual inspection shall be performed by the Contractor the first working day of each month to insure that extinguishers are properly charged, ready for use, and located properly. A record tag for verifying inspections shall be attached to each extinguisher and shall be properly maintained throughout the life of the contract. The Contractor shall also have on site at all times a four wheel drive pickup with a bed mounted or trailer mounted fire pumper unit with a water capacity of not less than 200 gallons fully filled and ready to use with a trained operator on site.

1.17.3 Fire Procedures

In the case of a fire within the contract area, the Contractor shall first attempt to put out the fire. If this is not possible, notify the fire department. The appropriate COR must be notified as soon as possible of the fire and any damage estimates.

1.17.4 Wild Land Fire Control

The Contractor shall prepare a Wild Land Fire Control Plan as prescribed in EM 385-1-1. The plan shall address at a minimum the precautions to minimize fire hazards, fire fighting plan and notifications of local authorities.

1.18 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)

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