E3TRYLCK202201-SPEC_AMND-2024-05-15-0004.pdf

The following modifications are made to SECTION 01 53 11 and

SECTION 01 57 19.

SECTION 01 53 11

a. PAGE 3. Delete Section 01 53 11 Page 3, and substitute therefor revised

Section 01 53 11 Page 3, AMEND 0004 dated 15 May 2024.

SECTION 01 57 19

b. PAGES 2 AND 16. Delete Section 01 57 19 Pages 2 and 16, and substitute therefor revised Section 01 57 19 Pages 2 and 16, AMEND 0004 dated 15 May

2024.

ATTACHMENTS: Section 01 53 11 Page 3; and Section 01 57 19 Pages 2 and

16.

SOLICITATION NO.: W912DS24B0006

E3TRYLCK202201

2.1.2 Cofferdams (Option A Not Awarded)

Two cofferdams will be provided by the Government for Contractor use if option A is not awarded. Install and maintain cofferdams during stoplog slot replacement. A joint inspection of the cofferdams will be performed and documented by the Contractor and Contracting Officer to ascertain their condition prior to use by the Contractor. At the time of return, a second joint inspection will be performed to determine the returned condition. Reinstall bottom plate on second cofferdam after use and before the second joint inspection. Any damage incurred due to Contractor operations will be required at the Contractor's expense. The cofferdams are not designed to handle ice loading. Provide bubblers or other means to prevent ice buildup on cofferdams.

2.2 CONTRACTOR-FURNISHED DEWATERING ITEMS

2.2.1 Stair Towers

Provide stair towers in accordance with USACE EM 385-1-1.

Stair towers are required for second dewatering only.

2.2.2 Cofferdams (Option A Awarded)

If option A is awarded, then furnish two (2) cofferdams in accordance with USACE technical manuals, safety manuals, and applicable design codes such as AISC and AWS D1.1/D1.1M . Submit the plan and detailed design of the dewatering structures, including possible walkways and handrails, as applicable, for approval a minimum of 45 days prior to start of construction of items. Perform proposed dewatering structure designs by a licensed Professional Structural Engineer with experience in designing dewatering structures and indicate on the submitted design with the Structural Engineer's signed stamp. The cofferdam design must consider the following minimum requirements:

a. Design for water when the top of the structure is in a dewatered state, to provide the maximum hydraulic force on the structure.

Cofferdam height extensions are prohibited unless specifically included in the design.

b. Include a 5 kip per lineal foot ice load acting in a location to provide maximum stress.

c. Include impact loads from falling debris and external forces such as floating debris.

d. Include consideration for uplift forces on the cofferdam.

e. Include considerations for securing the cofferdam to the existing structure, noting the existing concrete at the site was not air-entrained and constructed over 75 years ago, and condition of the concrete is unknown and may include cracking, spalling, and other forms of deterioration.

f. Include considerations for sealing of cofferdam on surfaces that are cracked, spalled, or have other forms of deterioration.

Design dewatering structures to fit the areas for work performed in the

SECTION 01 53 11 Page 3 AMEND 0004

15 MAY 2024

PART 2 PRODUCTS

PART 3 EXECUTION

3.1 PROTECTION OF NATURAL RESOURCES

3.1.1 Flow Ways

3.1.2 Vegetation

3.1.3 Streams

3.1.4 Soils Testing

3.1.4.1 Material Brought on Site

3.1.4.2 Material Removed from Site

3.2 STORMWATER

3.2.1 Construction General Permit

3.3 SURFACE AND GROUNDWATER

3.3.1 Cofferdams, Diversions, and Dewatering

3.3.2 Waters of the United States

3.4 PROTECTION OF CULTURAL RESOURCES

3.4.1 Archaeological Resources

3.5 CERTIFIED LABORATORY

3.6 AIR RESOURCES

3.6.1 Burning

3.6.2 Dust Control

3.6.2.1 Particulates

3.6.2.2 Abrasive Blasting

3.6.3 Odors

3.7 WASTE MINIMIZATION

3.7.1 Salvage, Reuse and Recycle

3.8 WASTE MANAGEMENT AND DISPOSAL

3.8.1 Hazardous Waste Determination Documentation

3.8.2 Solid Waste Management

3.8.2.1 Solid Waste Management Report

3.8.2.2 Control and Management of Solid Wastes

3.8.3 Control and Management of Hazardous Waste

3.8.3.1 Hazardous Waste/Debris Management

3.8.3.2 Universal Waste Management

3.8.3.3 Electronics End-of-Life Management

3.8.3.4 Disposal Documentation for Hazardous and Regulated Waste

3.8.4 Releases/Spills of Oil and Hazardous Substances

3.8.4.1 Response and Notifications

3.8.4.2 Clean Up

3.8.5 Mercury Materials

3.8.6 Wastewater Disposal

3.8.6.1 Treatment

3.8.6.2 Surface Discharge

3.8.6.3 Land Application

3.9 HAZARDOUS MATERIAL MANAGEMENT

3.10 PREVIOUSLY USED EQUIPMENT

3.11 PETROLEUM, OIL, LUBRICANT (POL) STORAGE AND FUELING

3.11.1 Used Oil Management

3.11.2 Oil Storage Including Fuel Tanks

3.12 INADVERTENT DISCOVERY OF PETROLEUM-CONTAMINATED SOIL OR HAZARDOUS

WASTES

3.13 SOUND INTRUSION

3.14 POST CONSTRUCTION CLEANUP

ATTACHMENTS:

SECTION 01 57 19 Page 2 AMEND 0004

15 MAY 2024

destruction of these resources. Secure the area and prevent employees or other persons from trespassing on, removing, or otherwise disturbing such resources. The Government retains ownership and control over archaeological resources.

3.5 CERTIFIED LABORATORY

Procure environmental laboratory services only by laboratories compliant with the current EPA National Environmental Laboratory Accreditation Program (NELAP) accreditation for all appropriate fields-of-testing.

3.6 AIR RESOURCES

Equipment operation, activities, or processes in accordance with 40 CFR 64 , state air emission, and performance laws and standards.

3.6.1 Burning

Burning is prohibited.

3.6.2 Dust Control

Control in accordance with Section 01 35 26 GOVERNMENTAL SAFETY

REQUIREMENTS.

3.6.2.1 Particulates

Control dust particles, aerosols and gaseous by-products from construction activities, and processing and preparation of materials (such as from asphaltic batch plants) at all times including weekends, holidays, and hours when work is not in progress. Maintain excavations, stockpiles, haul roads, permanent and temporary access roads, plant sites, spoil areas, borrow areas, and other work areas within or outside the project boundaries free from particulates that would exceed 40 CFR 50 , state, and local air pollution standards or that would cause a hazard or a nuisance.

Sprinkling, chemical treatment of an approved type, baghouse, scrubbers, electrostatic precipitators, or other methods are allowed to control particulates in the work area. Sprinkling, to be efficient, to be repeated to keep the disturbed area damp. Provide sufficient, competent equipment available to accomplish these tasks. Perform particulate control as the work proceeds and whenever a particulate nuisance or hazard occurs. Comply with state and local visibility regulations.

SECTION 01 57 19 Page 16 AMEND 0004

15 MAY 2024