Specs_Vol_1_Durham_Waterline_10_May_2018_Final.pdf

EPA Contract No. EP-S1-06-01 EPA Task Order No. 0060-RD-RD-01D5

EPA Project Officer: Heidi Horahan EPA Task Order Project Manager: Ed Hathaway

VOLUME 1 OF 2

SPECIFICATIONS

DURHAM MEADOWS WATERLINE

REMEDIAL DESIGN

100% Design Submittal

Durham Meadows Superfund Site Durham, Connecticut

April 2018

Prepared by:

AECOM, Inc.

500 Enterprise Drive

Suite 1A Rocky Hill, CT 06067

Durham Meadows Waterline RD Table of Contents Section 00000-i

TABLE OF CONTENTS

VOLUME 1 OF 2:

DIVISION 2 - SITE WORK

02012 Protecting Existing Underground Utilities 02013 Connections to Existing Buried Pipelines 02018 Vibration Monitoring 02053 Excavated Material Management Plan 02100 Site Preparation 02160 Excavation Support Systems 02210 Earth Excavation, Backfill, Fill, and Grading 02211 Rock Excavation and Disposal 02223 Screened Gravel 02224 Bank -Run or Crushed Gravel 02225 Select Borrow 02230 Site Clearing 02240 Dewatering 02241 Construction Water Management 02273 Geotextile Fabric 02371 Riprap 02400 Temporary Cofferdam

Section 00000-ii

02435 Crushed Stone 02510 Water Utilities 02515 Disinfecting Water Utility Distribution System 02521 Well Abandonment 02630 Storm Drainage Utilities 02740 Flexible Paving 02820 Chain Link Fences and Gates 02900 Planting 02922 Hydroseeding

DIVISION 3 – CONCRETE

03100 Concrete Formwork 03200 Concrete Reinforcement 03300 Cast-In-Place Concrete 03410 Precast Structural Concrete Buildings 03420 Precast Reinforced Concrete Vaults 03800 Leakage Testing of Containment Structures

DIVISION 5 – METALS

05515 Aluminum Stairs and Ladders

DIVISION 7 – THERMAL AND MOISTURE PROTECTION

07900 Joint Sealants

DIVISION 8 – OPENINGS

08111 Flush Panel Aluminum Doors and Frames 08710 Finish Hardware

DIVISION 9 – FINISHES

09941 Field Painting

DIVISION 10 – SPECIALTIES

10200 Louvers

DIVISION 11 – EQUIPMENT

11316 Sump Pumps and Appurtenances 11353 Booster Chlorination System 11355 THM Removal System 11397 Gas Engine Generator Set and Appurtenances

DIVISION 13 – SPECIAL CONSTRUCTION

13225 Prestressed Concrete Tanks 13300 Utility Control Instrumentation System 13300A Utility Control Instrumentation System -Attachment A

DIVISION 15 – PLUMBING – MECHANICAL

15101 Valves, Gates, Hydrants, and Appurtenances 15105 Pipe Supports for Process Piping 15112 Self-Contained Automatic Control Valves and Appurtenances

Section 00000-iii

15115 Flow Meter 15400 Plumbing Systems 15806 Heating, Ventilating, and Air Conditioning 15809 Water Booster Pumps and Appurtenances

DIVISION 16 – ELECTRICAL

16050 Electrical Work – General 16110 Raceway and Boxes for Electrical Systems 16120 Electric Wires and Cables 16160 Panelboards 16220 Electric Motors 16260 Low Voltage Variable Frequency Drive Unit 16400 Surge Protection Devices 16402 Underground Ducts and Raceways for Electrical Systems 16415 Automatic Transfer Switches 16450 Grounding and Bonding for Electrical Systems 16601 Lightning Protection 16900 Electrical Controls and Miscellaneous Electrical Equipment 16998 Field Inspection and Acceptance Tests

VOLUME 2 OF 2:

APPENDICES

A – Geotechnical Data B – Water Service Work on Private Property – Details by Address C – State Department of Labor Wage Rates (To be issued by Addendum) D – Historic Site Data (203R Main Street)

DIVISION 2

SITE WORK

Protecting Existing Underground Utilities Durham Meadows Waterline RD Section No. 02012-1

SECTION 02012

PROTECTING EXISTING UNDERGROUND UTILITIES

PART 1 - GENERAL

1.01 DESCRIPTION:

A. Protecting existing underground utilities.

1. Removing and plugging abandoned lines.

2. Compaction.

3. Protecting thrust blocks.

1.02 REFERENCES:

A. American Society for Testing and Materials International (ASTM):

1.03 DEFINITIONS:

A. Controlled Low Strength Fill: Refer to Section 02210.

B. Class C Concrete: Refer to Section 03300.

1.04 SUBMITTALS:

A. Submit the following shop drawings in accordance with Section 01300.

1. Record drawings to include record survey coordinates and elevations.

2. Proposed locations for test pits.

1.05 QUALITY ASSURANCE:

A. Comply with the requirements specified in Section 01400.

1.06 PROJECT/SITE CONDITIONS:

A. Pipelines will be indicated on the drawings, but the right is reserved to the Contracting Officer to make such modifications in location as may be found desirable to avoid interference with existing utilities.

Durham Meadows Waterline RD Section No. 02012-2

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Except as indicated, or as specifically authorized by the Contracting Officer, where existing utilities to remain must be removed, reconstruct utilities with new material of the same size, type, and quality as that removed.

PART 3 - EXECUTION

3.01 EXAMINATION:

A. Comply with the requirements in Section 01046.

B. Notify Dig-Safe at least 72 hours before digging operations are scheduled to begin.

C. Test Pits: Excavate test pits to field verify the locations, depth of bury, diameter, and pipe material of existing underground utilities at crossings and at tie-in points before ordering materials or commencing excavation. Immediately notify the Contracting Officer if conflicts are encountered.

3.02 PREPARATION:

A. Where utilities are parallel to or cross work, but do not conflict with work, notify the utility owner at least 48 hours in advance of construction at the crossing. Coordinate the construction schedule with the utility owner.

3.03 PROCEDURES:

A. Protect in Place: Protect utilities in place, unless abandoned, and maintain the utility in service, unless otherwise indicated or specified.

B. Damage to Utilities to Remain: If existing utilities to remain are damaged, immediately notify utility owner, and repair to owner’s satisfaction.

3.04 COMPACTION:

A. Protecting Existing Utilities:

1. Backfill and compact under and around utilities. Compaction shall conform to Section 02210.

2. Where compaction cannot adequately be performed around utility due to the presence of encroaching existing utilities, protect using Controlled Low Strength Fill.

Durham Meadows Waterline RD Section No. 02012-3

3.05 PROTECTION OF THRUST BLOCKS:

A. Protect thrust blocks on existing waterlines or sewer force mains in place or shore to resist the thrust by a means accepted by the Contracting Officer, and reconstruct. If the thrust blocks are exposed or rendered to be ineffective in the opinion of the Contracting Officer, reconstruct them to bear against firm unexcavated or backfill material.

1. Provide firm support by backfilling affected portion of the trench for a distance of 2 feet on each side of the thrust block to be reconstructed from the pipe bedding to the pavement subgrade with either:

a. Controlled low strength fill, or

b. Native material compacted to a relative compaction of 95 percent. See Section 02210 for compaction requirements.

2. Excavate the backfill material for construction of the thrust block.

3. Test compaction of the backfill material before pouring any concrete thrust block.

Concrete shall conform to Section 03300.

3.06 CLOSEOUT ACTIVITIES:

A. Provide in accordance with Section 01700.

END OF SECTION

Durham Meadows Waterline RD Connections to Existing Buried Pipelines Section No. 02013-1

SECTION 02013

CONNECTIONS TO EXISTING BURIED PIPELINES

PART 1 - GENERAL

1.01 DESCRIPTION:

A. Connecting to Existing Buried Pipelines

1. Tapping existing buried ductile iron pipelines.

1.02 REFERENCES:

A. American Society of Mechanical Engineers (ASME):

1. B16.1: AN Standard for Cast Iron Pipe Flanges and Flanged Fittings, Class 25, 125, 250 and 800

B. American Society for Testing and Materials International (ASTM):

1. A36: Standard Specification for Carbon Structural Steel

2. A325: Standard Specification for Structural Bolts, Steel, Heat-Treated 120/105 ksi Minimum Tensile Strength

3. A325M: Standard Specification for Structural Bolts, Steel, Heat-Treated 830 MPa Minimum Tensile Strength (Metric)

4. A536: Standard Specification for Ductile Iron Castings

C. American Water Works Association (AWWA):

1. C110: Ductile Iron and Gray Iron Fittings

2. C153: Ductile-Iron Compact Fittings for Water Service

3. C213: Fusion Bonded Epoxy Coating for the Interior and Exterior of Steel Water Pipelines

4. C223: Fabricated Steel and Stainless Steel Tapping Sleeves

5. C509: Resilient Seated Gate Valves for Water Service

6. C550: Protective Interior Coatings for Valves and Hydrants

7. C800: Underground Service Line Valves and Fittings

Section No. 02013-2

D. Manufacturer's Standardization Society (MSS):

1. SP-60: Connecting Flange Joint Between Tapping Sleeves and Tapping Valves

2. SP-111: Gray Iron and Ductile Iron Tapping Sleeves

3. SP-113: Connection Joint Between Tapping Machine and Tapping Valve

E. NSF International (NSF):

1. 61: Drinking Water System Components Health Effects

1.03 SUBMITTALS:

A. Submit the following shop drawings in accordance with Section 01300.

1. Manufacturer’s catalog data for products to be used.

1.04 QUALITY ASSURANCE:

A. Comply with the requirements specified in Section 01400.

1.05 DELIVERY STORAGE AND HANDLING:

A. Comply with the requirements specified in Section 01610.

PART 2 - PRODUCTS

2.01 MATERIALS:

A. Tapping Sleeves (for tapping outlets 4-inch to 12-inch diameter) for Ductile Iron pipe.

1. Manufacturers:

a. Smith-Blair

b. Mueller

2. Products:

a. Complies with AWWA C223.

b. Ductile Iron.

c. Bolts, Nuts, and Washers: Type 304 Stainless Steel, coated to protect from galvanic corrosion.

Section No. 02013-3

d. Outlet: Recessed for tapping valve per MSS-SP 60.

e. Pressure Rating: To match or exceed rating of existing piping.

B. Tapping Valves (4-inch to 12-inch diameter):

1. Manufacturers:

a. Mueller

b. US Pipe

c. American Pipe

2. Products:

a. Conforms to AWWA C509.

b. Ends: Conform to ANSI B16.1, Class 125, and MSS SP-60 and MSS SP- 113.

c. Wedge: Iron, fully encapsulated in rubber.

d. Stem: Non-rising.

e. Bonnet and Stuffing Box: 304 stainless steel.

f. Nuts and Bolts: 304 stainless steel.

3. Coating:

a. Fusion bonded epoxy, conforming to AWWA C550.

b. Certified to meet NSF 61 standard.

4. Rubber Stopper:

a. Fully expandable rubber, minimum 100 psi pressure rating, or

b. Carbon steel pivoting head with Buna-N sealing element, minimum 100 psi pressure rating.

Section No. 02013-4

PART 3 - EXECUTION

3.01 EXAMINATION:

A. Tapping: Expose the existing pipeline to be tapped. Verify material of construction and outside diameter prior to ordering tapping materials.

3.02 PREPARATION:

A. Coordinate work to be performed with Contracting Officer.

3.03 INSTALLATION:

A. Line Stopping:

1. Install concrete and support thrust blocking before installing the temporary pressure tapping machinery and valve.

2. After tapping and line stopping operations have been completed, seal the tee fitting with an ASTM A36 steel pin-locked completion plug with Buna-N O-ring seal.

3. Close the fitting with a blind flange meeting the requirements of AWWA C110.

4. Repair any damage that occurs to line stop fitting, accessories, or existing pipeline.

5. Dispose of water and existing pipeline at no additional cost to Contracting Officer.

3.04 CLOSEOUT ACTIVITIES:

Vibration Monitoring Durham Meadows Waterline RD Section No. 02018-1

SECTION 02018

VIBRATION MONITORING

PART 1 - GENERAL

1.01 DESCRIPTION:

A. Provide vibration monitoring as indicated and in compliance with Contract Documents.

1. Furnish, install, maintain, monitor, and remove vibration monitoring equipment as specified and as indicated.

2. Monitor vibrations, air blast overpressures and noise levels originating from construction operations as indicated or specified.

3. Modify construction operation procedures if existing operation creates vibration, air blast overpressure, or noise exceeding specified amounts.

4. Vibration monitoring for blasting shall conform to the requirements of this specification section and the requirements of all applicable Local and State Authorities.

1.02 QUALITY ASSURANCE:

A. Provide in accordance with Section 01400.

B. Retain the services of an independent vibration consulting firm with the following in-house personnel to conduct the following vibration monitoring requirements:

1. Preparation, signing and stamping of monitoring plans and daily reports, and overseeing monitoring and interpretation of monitoring equipment shall be performed by personnel with the following qualifications:

a. Be a Connecticut Licensed Professional Engineer.

b. Have a minimum of five (5) years experience in the vibration consulting field.

c. Have successfully completed at least five (5) projects with vibration-inducing operations, air blast overpressures, and noise levels equal to or more severe than those to be encountered.

2. Installation, monitoring and interpretation of monitoring equipment shall be performed by personnel with the following qualifications:

Durham Meadows Waterline RD Section No. 02018-2

a. Have at least three (3) years of experience in the operation of monitoring equipment proposed for use and interpretation of records produced by such equipment.

b. Have installed, operated, monitored and interpreted equipment and records on at least three (3) projects with vibration-inducing operations, air blast overpressures, and noise levels from similar construction activities.

3. Performed and maintained calibration records on all instruments used to monitor the blasting program.

1.03 SUBMITTALS:

A. Submit the following shop drawings in accordance with Section 01300.

1. Qualifications of the independent vibration consulting firm's Professional Engineer as specified in subparagraph 1.02B.1 including the names of the five (5)successful projects with names, current addresses, and telephone numbers of persons in charge of representing the owners or the owners at the time of monitored vibration-inducing operation, air blast overpressures, and noise levels.

2. Qualifications of the vibration consulting firm's personnel to install, operate and interpret the monitoring equipment as specified in subparagraph 1.02B.2 including the name of the personnel and the names of the three (3) projects per person which they installed, operated, monitored, and interpreted monitoring equipment with names, current addresses and telephone numbers of persons in charge of representing the owners or the owners at the time of monitored vibration-inducing operations, air blast overpressures, and noise levels.

3. Two weeks prior to commencement of blasting or other vibration inducing operations, submit in writing the plan for monitoring operations and equipment to be used to assure compliance with the vibration, air blast overpressure, and noise limitation. As a minimum, this plan shall provide for the following:

a. Recommended vibration limiting methods to meet the specified peak particle velocity limitations and locations for taking measurements.

b. Manufacturer's brochures and written operation instructions for seismograph recording equipment intended to be used for each vibration occurrence.

4. Daily reports, while blasting or performing other vibration-inducing operations, detailing each source of vibration, location of monitoring, and the vibration records highlighting peak particle velocities. For blasting, include the air blast overpressure records as well as a plot of particle velocity versus scaled distance.

All daily reports shall be stamped and signed by the Vibration Consulting Firm's Professional Engineer.

Durham Meadows Waterline RD Section No. 02018-3

PART 2 - PRODUCTS

2.01 EQUIPMENT:

A. Provide a low frequency sensitive three-component seismic recording instrument with wave paper trace, variable trigger level setting, peak particle velocity memory operation (in inches/second) and air blast overpressure and sound level readout capability that meets the following criteria:

1. Seismic Frequency Range: 2 to 200 Hz (+/- 3 dB)

2. Acoustic Frequency Range: 2 to 200 Hz (+/- 1 dB)

3. Velocity Range: 0.02 to 4.0 inches per second.

4. Sound Range: 90 to 140 dB linear.

5. Transducer: Three mutually perpendicular axes: radial, transverse, and vertical.

6. Recording: Time-history of waveform capability.

B. Manufacturers:

1. Instantel, Inc., Kanata (Ottawa) Ontario, Canada.

2. Slope Indicator Co., Seattle, WA.

3. Thomas Instruments, Inc., Spoffard, NH.

PART 3 - EXECUTION

3.01 EXAMINATION:

A. Furnish specified instrumentation to be installed, operated and interpreted by the vibration consulting firm's personnel, as specified below and indicated.

B. Monitor vibrations and record the entire particle velocity wave train, not just peak velocities. Obtain accurate, legible seismometer records of monitored vibrations.

C. Perform all blasting and other vibration-inducing operations so that vibrations reaching adjacent structures and facilities are within specified limits.

D. Monitor vibrations by measuring the peak particle velocity in the vicinity of work. Peak particle velocity is defined as a maximum vector sum of three velocity components, measured concurrently in mutually perpendicular directions at any point by an instrument. The peak particle velocity as measured by the vibration consulting firm's personnel on or at the location as specified in the submitted vibration monitoring plan, shall not exceed the limits specified below:

Durham Meadows Waterline RD Section No. 02018-4

Peak Particle Velocity Type of Concrete Age of concrete (hrs) in./sec _

Mass Concrete (footings, mats, slab-on-grade, 0-10 1.0 fill concrete, etc.) 11 and over 2.0

Concrete Structures 0-11 0.5 (walls, columns, elevated 11-24 1.0 slabs, etc.) 24 and over 2.0

Existing Structures, residences - 0.5 or utilities

E. Air blast over pressures resulting from the blasting shall be recorded. Operate the instruments to make a permanent record for each blast.

F. In the event any recordings indicate that vibration or air over pressure limits are being exceeded, immediately suspend all blasting and other vibration-inducing operations and submit a report to the Contracting Officer. Revise operations to reduce vibrations and submit a copy of the revised procedure to the Contracting Officer at no additional cost to the Contracting Officer.

G. If evidence of displacement or damage to utilities, equipment, or structures is observed or reported, immediately notify the Contracting Officer and discontinue operations creating the vibrations. Revise operation to reduce vibrations and submit a copy of the revised procedure to the Contracting Officer.

H. Restore or replace utilities, equipment, or structures damaged by vibrations or air blast overpressures at no additional cost to the Contracting Officer.

3.02 CONTRACT CLOSEOUT:

Excavated Material Management Plan Durham Meadows Waterline RD Section No. 02053-1

SECTION 02053

EXCAVATED MATERIAL MANAGEMENT PLAN

PART 1 - GENERAL

1.01 SCOPE OF WORK

A. The Contractor shall comply with the requirements of this section for transport, access, institutional and regulatory requirements for disposal of excavated materials from the Durham Manufacturing Company located at 201/203R Main Street, Durham CT in the area shown on the Drawings. The Contractor shall be responsible for managing excavated materials so as to conduct the Work as described herein, within the boundaries of this property.

B. The Contractor is responsible, subject to review by the Contracting Officer, for characterizing excavated materials, as needed for disposal and to transport and dispose of the materials in a safe and legal manner. The Contractor may characterize soil on-site following excavation, or may precharacterize soil in place prior to excavation, as appropriate to meet disposal facility requirements. Excavated materials shall not be stored off-site prior to transport for disposal. The Contractor shall determine the destination facilities subject to approval by EPA, and means of transport using a licensed hauler, and shall prepare appropriate shipping documentation. Available soil data from this location are included in Appendix D of the Contract Documents.

C. Requirements of this section apply to soil from trenching or other excavation activities at 201/203R Main Street as shown on the Drawings.

D. For contaminated soils/waste that are encountered during pipeline trenching and other excavation activities outside of the limits of the Durham Manufacturing Company property or on property not owned by the utility, and contamination was not created by the utility, the Contractor shall comply with the requirements of the CT DEEP Guidance for Utility Company Excavation (included as Attachment A).

1.02 RELATED SECTIONS

A. Section 01070 – Regulatory Requirements

B. Section 01300 – Submittals

C. Section 01120 – Health & Safety

D. Section 01400 – Quality Assurance

E. Section 01410 – Sampling Procedures and Laboratory Services

Durham Meadows Waterline RD Section No. 02053-2

F. Section 02241 – Construction Water Management

G. Section 02210 – Earth Excavation, Backfill, Fill, and Grading

1.03 REFERENCES

Compliance with all applicable regulations, including but not limited to the following, is required. All Work shall be conducted in compliance with applicable regulations and policies, as well as any changes or addenda to the same as set forth prior to the completion of the Work. Nothing in this section will limit the Contractor’s responsibility to adhere to these regulations and recognized standards and regulatory practices. The EPA will not be responsible at any time for Contractor’s violations of any applicable local, state, or federal regulations or endangerment of his employees or of his Subcontractors.

A. Code of Federal Regulations (CFR)

1. Code of Federal Regulations (CFR) Title 40: Protection of Environment, including but not limited to the following:

a. 40 CFR Part 261 - Identification and Listing of Hazardous Waste

b. 40 CFR Part 262 - Standards Applicable to Generators of Hazardous Waste

c. 40 CFR Part 263 - Standards Applicable to Transporters of Hazardous Waste

d. 40 CFR Part 264 - Standards for Owners and Operators of Hazardous Waste

Treatment, Storage, and Disposal Facilities

e. 40 CFR Part 265 - Interim Status Standards for Owners and Operators of

Hazardous Waste Treatment, Storage, and Disposal Facilities

f. 40 CFR Part 266 - Standards for the Management of Specific Hazardous Waste and Specific Types of Hazardous Waste Management Facilities

g. 40 CFR 300.440 - Procedures for planning and implementing off-site response actions

2. CFR Title 49: Transportation, including but not limited to the following:

a. 49 CFR Part 172 - Hazardous Materials Table, Special Provisions, Hazardous

Materials Communications, Emergency Response Information, Training Requirements, and Security Plans

b. 49 CFR Part 173 - Shippers -- General Requirements for Shipments and Packaging.

c. 49 CFR Part 178 - Specifications for Packaging

d. 49 CFR Part 179 - Specifications for Tank Cars

e. Resource Conservation and Recovery Act (40 CFR 260 through 267)

B. State Regulations

1. Connecticut Regulation of Department of Environmental Protection concerning Remediation Standard (Sections 22a-133k-1 thru 22a-133k-3 of Regulations of Connecticut State Agencies).

Durham Meadows Waterline RD Section No. 02053-3

2. Connecticut Hazardous Waste Management Regulations (Sections 22a-454-1 and 22a- 209-17 of the Regulations of Connecticut State Agencies).

3. Connecticut Hazardous Waste Transporter Permit Regulations (Section 22a-449(c)-11 of the regulations of Connecticut State Agencies).

4. Connecticut Solid Waste Management Regulations (Chapter 446d).

5. Connecticut General Permit for Contaminated Soil and/or Sediment Management (Staging and Transfer) (Section 22a-208a(i).

6. Connecticut Permit Requirements for Waste Facilities (Section 22a-6h and 22a-454)

7. Connecticut RCRA “Contained-In” Policy.

C. Local Fire Department regulations.

1.04 DEFINITIONS

A. CT RSR: Connecticut Regulation of Department of Environmental Protection concerning Remediation Standard

B. EPA: U.S. Environmental Protection Agency

C. Embedded Debris: Man-made debris greater than 6” length in any dimension, encountered within or in contact with soil which is excavated. Embedded Debris may include pavement and foundations.

D. Excavated Material: Excavated soil and embedded debris

E. OSHA: Occupational Safety and Health Administration

F. PID: Photoionization Detector

G. Shipping documents: refers to Uniform Hazardous Waste manifests or other manifests, Bills-of-Lading, Material Shipping Records, or any other document required by State or Federal regulation, or by the destination facility, to be carried by the excavated material transporter. The Transport document must also provide for certification of receipt by the destination facility. The Transport document shall describe the contents of the load in accordance with State or Federal regulations or destination facility requirements.

H. Classifications for Excavated Material:

1. Characteristic Hazardous Waste: Excavated soil defined as RCRA characteristic hazardous waste as determined by the Toxic Characteristic Leaching Procedure in

Durham Meadows Waterline RD Section No. 02053-4 accordance with 40 CFR 261, but not otherwise listed waste. Note: based on available data, as provided in Appendix D, soil that meets the definition of RCRA Characteristic Hazardous Waste is not known to be present in the water service line work area;

however, RCRA Characteristic Hazardous Waste is present in soil at the Durham Manufacturing Facility.

2. Connecticut-Regulated Soils containing VOCs: Soil with one or more volatile organic compounds at concentrations exceeding applicable CT Remediation Standard Regulations and/or Cleanup Levels, but not hazardous waste.

3. Connecticut-Regulated Soils not containing VOCs: Soil with one or more compounds not including VOCs at concentrations exceeding applicable CT Remediation Standard Regulations and/or Cleanup Levels, but not hazardous waste.

1.05 SUBMITTALS

A. Submit in accordance with Section 01300 – Submittals.

B. Submittals shall include all required information specified in this section.

C. Soil Management Plan: The Contractor shall provide the plan to the Engineer for review 60 calendar days after NTP.

D. Destination Facilities: No less than three weeks prior to transport of any contaminated material off-site, the Contractor shall submit a written list of proposed destination facilities, including facility name, address, contact name and phone number, title of contact person, and EPA permit numbers for the facility, the facility criteria for acceptance (test type and frequency) of soil, and any other relevant information related to the facility, including but not limited to: working hours; days of operation; name, address, and telephone number of the chief municipal officer and health officer of the town/city in which the landfill or recycling/disposal facility is located; and information on landfill closure schedule, if applicable. A complete copy of the EPA Off-Site Compliance Request Form shall be provided.

E. Transporters: No less than one week prior to transportation, provide name and address of all hazardous material transporters to be used to complete project including state transporter identification number and expiration date and proof of permit, license, or authorization to transport hazardous material in all affected states.

F. Shipping documents for excavated materials: The Contractor shall submit the signature-ready shipping documents to Contracting Officer for signature 14 days prior to soil removal. Submittals shall be prepared in accordance with applicable regulations.

G. Excavated Material Disposal Report: The Contractor shall provide the completion report to the Contracting Officer within 30 days of completion of soil removal.

Durham Meadows Waterline RD Section No. 02053-5

H. Completed Shipping documents: Within twenty-one (21) days after final transport off-site of contaminated soil or water, the Contractor shall submit completed copies of the documentation related to the disposal, including but not limited to certified disposal facility weight slips. The Contractor shall submit final shipping documents to state agencies as required by state regulations of Connecticut and the destination states, with copies provided to the Contracting Officer.

1.06 PERFORMANCE REQUIREMENTS

A. General Requirements:

1. The Contractor shall provide all facilities, labor, materials, tools, equipment, transportation, supervision, and related Work necessary to complete the Work specified in this section.

2. The Contractor shall be responsible for excavation and removal of material for legal disposal. The Contractor shall excavate, manage, handle, segregate, store, load, treat, recycle, reuse, transport, discharge, and/or dispose of soils in compliance with the provisions of CT RSRs and all other applicable federal, state, and local regulations and bylaws, and the criteria of this section.

3. The Contractor shall be responsible for all material characterization, sampling and analysis.

4. The Contractor may choose to characterize excavated soil from on-site stockpiles or may choose to precharacterize soils in place prior to excavation to allow direct loading of excavated materials. Characterization methods must comply with the requirements of the disposal facility.

5. Excavated material storage, transportation, disposal and treatment, dust and vapor control measures, field monitoring, and contingencies for materials suspected or confirmed to be contaminated are also included in the Work to be performed by the Contractor.

6. Construction workers, surrounding human populations and environmental receptors shall be protected from exposure to oil or hazardous materials during excavation activities.

B. Excavation Requirements

Excavation activities shall be limited to only those actions that are necessary for completion of the project. Excavation shall be performed in a local and controlled manner, such that it does not result in exacerbation of existing contamination.

Durham Meadows Waterline RD Section No. 02053-6

1. Excavate materials by methods that will permit observation to identify, test, and segregate excavated materials, and that will reduce the potential for mixing materials with different classifications.

2. The Contractor shall allow sufficient time for the Contracting Officer to observe the excavation and excavated materials, and shall collect representative samples for use by the Contracting Officer as directed by the Contracting Officer

3. Excavated material removed from the project area shall be managed in compliance with the provisions of all applicable Federal, State and local laws.

4. The Contractor shall notify the Contracting Officer immediately of excavated material that is observed to be contaminated with a separate phase product, or a waste not otherwise specified that cannot be identified by field inspectors. Further excavation shall be halted until the Contractor and the Contracting Officer evaluate the situation and determine the appropriate course of action to safeguard workers, the public, and the environment.

C. Excavated Material Handling and Storage

1. The Contractor shall implement a soil tracking system in compliance with the Soil Management Plan.

2. The Contractor shall manage materials encountered during excavation in a manner that is protective of health, safety, public welfare, and the environment.

3. The handling and storage of excavated soil material shall be within the Site boundary designated on the Drawings, according to the procedures presented herein and as directed by the Contracting Officer.

4. Excavated material stockpiles, if used, shall be covered and secured as required in this section, to minimize airborne transport of material, runoff, and saturation and seepage from precipitation. The Contractor has the option of drumming excavated material for off-site disposal.

5. The Contractor shall be responsible for scheduling and coordinating the removal of material from the Site based on the available space. It shall be the Contractor’s responsibility to obtain the required chemical testing data in a timely manner consistent with the Contractor’s schedule for removing excavated materials.

6. The Contractor shall perform an analytical characterization program of the material as required by the destination facility. The Contractor shall obtain a laboratory and provide all labor and materials to collect soil samples and to transport the samples to the laboratory for chemical analysis in accordance with the requirements of the contract documents. The Contractor shall provide the characterization data to the Contracting Officer.

Durham Meadows Waterline RD Section No. 02053-7

7. Based on the characterization results and comparison to material classifications identified herein, the Contractor may elect to perform supplemental characterization testing to provide information necessary to obtain facility approval at no additional cost to the Contracting Officer.

D. Excavated Material Transport and Disposal

1. The Contractor shall be responsible for the legal disposal of all excavated material generated during the Work.

2. All excavated material shall be transported to and disposed of at a permitted disposal facility approved by EPA for such materials.

3. The Contractor shall evaluate the material based on the testing data and propose the destination facility and contract directly with the facility for the disposal of the material.

The Contractor shall provide documentation to the Contracting Officer, with supporting analytical data and rationale, that the facility may accept the material under its governing permit(s).

4. The Contractor shall prepare signature-ready drafts of shipping documents for shipment of the material, and submit them and all supporting data to the Contracting Officer for review.

5. The Contracting Officer reserves the right to direct the Contractor to re-evaluate the destination facility determination, based on the Contracting Officer’s interpretation of the excavated material characterization data, any analytical results from split samples the Contracting Officer may collect, or regulatory status of the facility. Upon approval of the destination facility and shipping papers by the Contracting Officer, the Contractor shall coordinate and make all necessary arrangements for transportation of the material to the appropriate reuse/disposal/treatment facility.

6. The Contractor shall not remove any excavated material from the Site without a shipping document signed by the Contracting Officer,

1.07 QUALITY ASSURANCE

A. Provide in accordance with Section 01400 – Quality Assurance.

B. General: The Contractor shall conform to all applicable requirements, ordinances, regulations, and laws.

C. Inspection

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1. The Contracting Officer will observe the Contractor’s activities associated with the Work under this section on behalf of the EPA and will provide on-site observation of excavation operations to assess:

a. requirements for excavated material segregation, storage, and handling;

b. requirements for excavated material transportation and final destination based on observations, screening and results of chemical characterization by the Contractor;

c. Environmental controls at all excavated material storage areas.

2. All services shall be subject to inspection by the Contracting Officer. The Contracting Officer shall have the right, but not the duty, to inspect and obtain copies of all written licenses, training records, permits, and approvals issued by any government entity or agency to the Contractor, which are applicable to the performance of services under this section; to inspect and test, at its own expense, transportation vehicles or vessels, containers, and treatment facilities provided by the Contractor; and to inspect the handling, loading, storage, transportation, treatment, and disposal operations conducted by the Contractor in the performance of the Work.

3. The Contracting Officer will have the right to inspect and obtain duplicates of all samples collected by the Contractor. If requested, the Contractor shall collect and supply these samples to the Contracting Officer for analyses by the Contracting Officer’s laboratory. Contractor shall resolve any discrepancies between Contractor and Contracting Officer analytical results to the satisfaction of the Contracting Officer at no additional cost to the Contracting Officer. Actions to resolve discrepancies may include review of data or resampling and analysis at no additional cost to the Contracting Officer.

4. The Contracting Officer will be afforded free access to any facility used by the Contractor and any Subcontractors in performing the services described in this section, including offices and facilities where contract-related records are retained.

5. The Contractor is solely and exclusively responsible for the quality of all services performed under this contract. The Contracting Officer’s right to conduct inspections at Contractor or Subcontractor facilities does not relieve the Contractor of this responsibility. Neither the Contracting Officer’s failure to make such inspection, nor failure to discover nonconforming services, impose any liability on the Contracting Officer, shall prejudice the rights of the Contracting Officer thereafter to reject services, nor relieve the Contractor of its obligation to perform Work strictly in accordance with the contract and applicable local, State and Federal regulations.

6. The Contractor shall be responsible for all corrective actions required to address non-compliance issues discovered during inspections at no additional cost to the Contracting Officer.

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1.08 PROJECT/SITE CONDITIONS

A. Environmental sampling and analysis has been conducted throughout the project area.

Subsurface soils and groundwater were sampled and analyzed as summarized in the referenced reports. Refer to Soil Analytical Results Table, provided in Appendix D of the Contract Documents.

B. The Contractor is responsible for determining if such information is valuable for completing the Work. No basis for claim shall result from the Contractor’s failure to completely characterize any waste material.

C. Historic data in Appendix D are made available to the Contractor for information only and shall not be interpreted as a warranty of subsurface conditions.

PART 2 - PRODUCTS

2.01 PRODUCTS

A. Soil Management Plan: The Soil Management Plan shall identify: (a) specific plans and proposed implementation schedule for Work, including excavated material storage, erosion control, and soil transportation and disposal, (b) contingency procedure for notification of the Contracting Officer of unexpected contamination and of modifications to the plan, and

(c) proposed environmental monitoring. The Soil Management Plan shall include:

1. Proposed destination facilities.

2. Characterization data to be collected by the Contractor as needed by their disposal facilities.

3. Plan for building and removing stockpiles relative to the disposal categories identified in this section, including a location map.

4. Transport document procedures for transport from the Site to final destination.

Documentation required by the destination state must be provided.

5. Soil tracking system to track all excavated soils between excavation and final disposition. The tracking system shall consist of, for each category of soil transported:

a. Location, depth, and date of excavation

b. Stockpile or drum identification and location, if applicable

c. Stockpile sampling locations, if applicable

d. Daily log sheets and field records documenting field screening and chemical characterization sampling

6. Procedures for routine field screening and observation during excavation, including:

a. Frequency of screening and observations

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b. Checklist for visual and olfactory observations

c. Instructions for headspace screening

d. Equipment and instrument requirements

B. Shipping documents for excavated materials: The Contractor shall submit the signature-ready shipping documents to Contracting Officer for signature 14 days prior to soil or waste removal. Submittals shall be prepared in accordance with applicable regulations.

C. Excavated Material Disposal Report. The report shall include details of waste quantities, means and location of disposal and following information, as applicable:

1. Description of Work performed, including deviations from the Soil Management Plan

2. Soil characterization data

3. Summary of soil quantities removed and transported to each destination facility and dates of transport

4. Certificates of final treatment/disposal signed by the responsible facility official

D. Completed Shipping documents.

1. Each transport document shall note the truck registration number, state of registration, driver, and date of removal.

2. Within twenty-one (21) days after final transport off-site of any material, the Contractor shall submit completed copies of the documentation related to the disposal, including but not limited to: certified disposal facility weight slips.

3. The Contractor shall submit final shipping documents to state agencies as required by state regulations of Connecticut and the destination states, with copies provided to the Contracting Officer.

2.02 MATERIALS

A. Polyethylene plastic: Provide polyethylene plastic sheeting with a minimum thickness of 20 mil (liner) and polyethylene sheeting with a thickness of 6 mil (cover).

B. Jersey barriers and/or hay bales to segregate the Work areas and excavated material storage perimeters.

C. Granular absorbent: Provide granular absorbent such as Speedy-Dry or approved equal.

D. Furnish all drums, storage containers, packing materials, and related products, and materials required for collecting, storing and transporting hazardous materials in compliance with State, EPA, and U.S. DOT requirements.

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2.03 EQUIPMENT

A. Photoionization detector capable of calibrating to 100 parts per million by volume (ppmv) for use in field screening. Photoionization detector shall have a minimum detection limit of 1 ppmv. Calibration standard shall be suitable for known site-related contaminants.

PART 3 - EXECUTION

3.01 APPLICATION

A. Characterization of Site Soil

1. The Contractor shall be responsible for characterizing soil for appropriate disposal.

The Contractor may choose to perform precharacterization of soil prior to excavation to allow load and go operations.

2. The Contractor shall be responsible for collection, transporting, and analyzing all soil samples.

3. The Contractor shall inform the Contracting Officer prior to collecting samples so that the Contracting Officer can observe the sampling locations and procedures.

4. All sampling shall be performed in accordance with Sampling and Analysis Plan prepared by the Contractor and approved by the Contracting Officer (Section 01410).

5. The Contractor shall evaluate the soil based on the testing data and proposed destination facility based on the resultant classification of the material.

B. Field Screening and Observation During Excavation

1. The Contractor shall conduct field screening of excavated materials, as it is generated, to identify gross contamination (if present) that could affect construction safety and subsequent handling of excavated materials.

2. Excavated soils will be field-screened for the presence of oil and hazardous materials, using appropriate visual, ambient air, and jar headspace evaluations. For ambient air and jar headspace screening, a photoionization detector or suitable equivalent and calibrated daily shall be used.

3. Headspace Screening Criteria: Headspace screening will be performed whenever there are obvious visual or olfactory changes in the material or at least once every hour during the excavation or for every 50 cubic yards of material or as required to fully evaluate the soil. Excavated material will be segregated based on headspace readings

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less than 10 ppmv, 10 ppmv to 100 ppmv, and greater than 100 ppmv.

4. Visual and Olfactory Criteria: Excavated soils shall be monitored for visual and olfactory evidence of contamination, including, but not limited to, discoloration, texture, and odor. If material has staining or odor; or exhibits unnatural color, product, unidentified waste or other indications of contamination, the excavated material will be segregated from other excavated materials for separate chemical characterization by laboratory analysis.

C. Embedded Debris

1. Embedded debris which exceeds size requirements of the destination facility shall be separated from soil.

2. Embedded debris shall be cleaned of loose materials and inspected for staining, odor, or evidence of contamination.

3. The Contractor shall notify the Contracting Officer of embedded debris which has evidence of contamination prior to off-site transport.

4. Embedded debris which has evidence of contamination shall be set aside for evaluation by the Contracting Officer.

5. Embedded debris shall be broken to a size to facilitate hauling and disposal.

6. All embedded debris shall be disposed of at an EPA-approved facility

7. Embedded debris that is free of evidence of contamination shall be classified as a Connecticut-Regulated Soil not containing VOCs.

D. Management of Excavated Material Storage Areas

1. The Contractor shall coordinate with the Contracting Officer and with to identify a suitable location within the property boundary for the temporary storage of excavated material prior to transport off-site.

2. The Contractor shall store material in a manner that is protective of health, safety, public welfare, and the environment.

3. Excavated material that has been characterized and is awaiting disposal shall be segregated from uncharacterized soils and from grossly contaminated soils.

4. Stockpiling, if used, shall be done according to the following procedures:

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a. All excavated material storage shall be performed within the security of continuous construction fencing.

b. The Contractor shall be responsible for protecting each stockpile from precipitation, stormwater runoff, and other forms of moisture.

c. The Contractor shall place polyethylene sheeting (20 mil) on ground in excavated material stockpile area or drum storage area, with a minimum overlap of 18 inches for adjacent sheets, and overhanging the berm or containment.

d. All stockpiles shall be shaped and graded to facilitate surface drainage. The Contractor shall take appropriate measures to prevent dust and leachate from leaving any stockpile.

e. Place stockpiled soil on prepared surface.

f. Cover the stockpiles at all times with polyethylene or other suitable tarp, secure the cover in place to prevent dust blow off and withstand wind and rain.

g. Hold downs which will not tear the sheeting (i.e., tires or sand bags) shall be used approximately every 15 feet.

h. Collect drainage water for transport and treatment in accordance with Section

02241 – Construction Water Management. Alternately, the Contractor may elect to dispose of water at an off-site facility in lieu of on-site treatment and discharge, at no additional cost to the Contracting Officer, the EPA, or the State.

i. Minimize the contact of workers and passers-by with stockpiled material.

j. Clearly label, mark, and classify stockpiles or drums by type, for recycling, reuse or disposal.

k. Alternatively, excavated material shall be stored as directed in the Soil Management

Plan in a manner that provides similar level of control of emissions, runoff, and leachate.

5. Based on analytical results and as approved by the Contracting Officer, the Contractor may merge or further segregate stored materials.

6. Storage shall comply with the substantive requirements of the Connecticut General Permit for Contaminated Soil and/or Sediment Management (Staging and Transfer) (Section 22a-208a(i)).

7. Under no circumstances will stored excavated material be allowed to remain in storage for longer than 45 days.

E. Transportation and Disposal of Excavated Material

1. No excavated material shall be transported from the Site until all shipping documents are completed.

2. The Contractor shall be responsible for proper handling, loading, transportation and disposal of materials in accordance with applicable federal, state and local laws.

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3. Prior to transport the Contractor shall drain all materials of free liquid. Liquids shall be collected and transported to a location designated by the Contracting Officer for treatment and disposal, in accordance with Section 02241 – Construction Water Management. Alternately, the Contractor may elect to dispose of water at an off-site facility in lieu of on-site treatment and discharge, at no additional cost to the Contracting Officer, the EPA, or the State.

4. The Contractor shall not remove excavated material from the Site without approval of the Contracting Officer.

5. The Contractor shall load and transport material to the receiving facilities in accordance with U.S. DOT, EPA, OSHA, and State regulations.

6. The Contractor shall utilize hauler(s) that are licensed in all states affected by transport.

7. The Contractor shall coordinate the schedule for truck arrivals and departures at the storage areas to meet the approved project schedule.

8. Materials shall not be delivered to any facility other than that listed on the transport document.

9. The Contractor shall be responsible for inspecting the access routes for road conditions, overhead clearance, and weight restrictions, and shall provide traffic control when needed.

10. Materials removed for disposal shall be loaded within the limits of the storage area. A tarpaulin shall cover all trucks leaving the project areas. Soil material shall be removed from truck tires within a designated decontamination area prior to leaving the storage area.