25439121 HOWARD AVE PUMPING STATION IMPROVEMENTS - IFB - VOLUME 2.pdf

Howard Avenue Pumping Station Improvements

Project No. CWSRF-16872

Contract Documents and Technical Specifications

Volume 2 of 3

Prepared for:

City of New Bedford

Issue Date:

April 2025

City of New Bedford, Massachusetts Pumping Station Issued for Bid

©2025 CDM Smith 0309-299859 All Rights Reserved April 2025

Howard Avenue Pumping Table of Contents Station Improvements 000110 - 1 City of New Bedford, Massachusetts Issued for Bid

TABLE OF CONTENTS

Division Section Title

VOLUME I

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

001116 Invitation to Bid

002113.13 Instructions to Bidders

003126 003132 003143

Existing Hazardous Material Information Geotechnical Data Permit Application

004113 Bid Form

004113.10 Bid Form Supplementary Documents

004213 Filed Sub-Bid Form

005214.13 Agreement

006130 New Bedford City Standard Performance Bond 006160 New Bedford City Standard Payment Bond 007200 General Conditions 007300 Supplementary Conditions

007300.01 Federal Government Provisions

007300.02 Massachusetts Provisions

007300.03 City of New Bedford Provisions

DIVISION 01 - GENERAL REQUIREMENTS

010140 Suggested Sequence of Construction 011000

Summary Attachment: Summary of Work Tables

012001 Price and Payment 012600 Contract Modification Procedures 013100 Project Management and Coordination 013200 Construction Progress Documentation 013233 Photographic Documentation 013300 Submittal Procedures 013529 Health, Safety, and Emergency Response Procedures 013545 Environmental Protection Procedures 014000 Quality Requirements 015000 Temporary Facilities and Controls 015526 Traffic Control 015728 Temporary Bypass Pumping Systems 016000 Product Requirements 017300 Execution 017700 Closeout Procedures 017823 Operation and Maintenance Data

DIVISION 01 – GENERAL REQUIREMENTS (continued)

Station Improvements 000110 - 2 City of New Bedford, Massachusetts Issued for Bid

017839 017900

Project Record Documents Demonstration and Training

VOLUME II

DIVISION 02 - EXISTING CONDITIONS

024119 Selective Demolition 026500 Underground Storage Tank Removal

DIVISION 03 - CONCRETE

030130.71 Modifications to Existing Concrete

033000 Cast-In-Place Concrete

033053.13 Cast-in-Place Concrete for Underground Ducts and Raceways for Electrical Systems 034843 Precast Concrete Building 036000 Grouting

DIVISION 04 - MASONRY

*040001 Masonry Work 042000 Unit Masonry 047200 Cast Stone Masonry

DIVISION 05 - METALS

050001 Miscellaneous and Ornamental Iron 050519 Post-Installed Anchors and Reinforcing Bars 054000 Cold-Formed Metal Framing 054400 Cold-Formed Metal Trusses 055000 Metal Fabrications 055213 057300

Pipe and Tube Railings Decorative Metal Railings

DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES

061000 Rough Carpentry 061600 Sheathing

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

071113 Bituminous Dampproofing 072100 Thermal Insulation 072726 Fluid-Applied Membrane Air Barriers 073113 Asphalt Shingles 074293 Soffit Panels 077100 Roof Specialties 077253 Snow Guards 078413 Penetration Firestopping 079200 Joint Sealants

DIVISION 08 - OPENINGS

081113 Hollow Metal Doors and Frames DIVISION 08 – OPENINGS (continued)

Station Improvements 000110 - 3 City of New Bedford, Massachusetts Issued for Bid

081116 Aluminum Doors and Frames 087100 Door Hardware 089119 Fixed Louvers

DIVISION 09 - FINISHES

*090007 090690

Painting Paint Color Schedule

092900 Gypsum Board 098433 Sound-Absorbing Wall Units 099113 Exterior Painting 099123 Interior Painting

099676.13 Wastewater Collection System Coatings

099676.53 Wastewater Transmission System Coatings

099679 Atmospheric Protection and Plant Service Areas Coatings

DIVISION 10 - SPECIALTIES

101453 Traffic Signage 102800 Toilet, Bath, and Laundry Accessories 104416 107119

Fire Extinguishers Flood Barriers

DIVISION 22 – PLUMBING

*220001 Plumbing 220517 Sleeves and Sleeve Seals for Plumbing Piping 220518 Escutcheons for Plumbing Piping 220519 Meters and Gages for Plumbing Piping

220523.12 Ball Valves for Plumbing Piping

220523.14 Check Valves for Plumbing Piping

220523.15 Gate Valves for Plumbing Piping

220529 Hangers and Supports for Plumbing Piping and Equipment 220553 Identification for Plumbing Piping and Equipment 220719 Plumbing Piping Insulation 221113 Facility Water Distribution Piping 221116 Domestic Water Piping 221119 Domestic Water Piping Specialties 221313 Facility Sanitary Sewers 221316 Sanitary Waste and Vent Piping 221319 Sanitary Waste Piping Specialties

221319.13 Sanitary Drains

221429 Sump Pumps 222123 Facility Natural-Gas Piping

224213.13 Commercial Water Closets

224216.13 Commercial Lavatories

Station Improvements 000110 - 4

DIVISION 23 - HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

*230001 Heating Ventilating and Air Conditioning 230517 Sleeves and Sleeve Seals for HVAC Piping 230529 Hangers and Supports for HVAC Piping and Equipment 230548 Vibration and Seismic Controls for HVAC 230553 Identification for HVAC Piping and Equipment 230593 Testing, Adjusting, and Balancing for HVAC 230713 Duct Insulation 230719 HVAC Piping Insulation

230923.12 Control Dampers

230923.14 Flow Instruments

230923.27 Temperature Instruments

233113 Metal Ducts 233300 Air Duct Accessories 233423 HVAC Power Ventilators

233713.23 Registers and Grilles

238126 Split-System Air-Conditioners

238239.16 Propeller Unit Heaters

DIVISION 26 - ELECTRICAL

*260001 Electrical Work 260519 Low-Voltage Electrical Power Conductors and Cables 260523 Control-Voltage Electrical Power Cables 260526 Grounding and Bonding for Electrical Systems 260529 Hangers and Supports for Electrical Systems 260533 Raceways and Boxes for Electrical Systems 260543 Underground Ducts and Raceways for Electrical Systems 260544 Sleeves and Sleeve Seals for Electrical Raceways and Cabling 260553 Identification for Electrical Systems 260573 Power System Studies 262200 Low-Voltage Transformers 262416 Panelboards 262419 Motor-Control Centers 262726 Wiring Devices 262816 Enclosed Switches and Circuit Breakers 262923 Variable-Frequency Motor Controllers

263213.16 Gaseous Emergency Engine Generators

263600 Transfer Switches 265000 Lighting

DIVISION 28 - ELECTRONIC SAFETY AND SECURITY

284621.11 Addressable Fire-Alarm Systems

Station Improvements 000110 - 5

DIVISION 31 - EARTHWORK

310515 Soils and Aggregates for Earthwork

310519.13 Geotextiles for Earthwork

310900 Geotechnical Instrumentation and Monitoring 312000 Earthwork 312316 Rock Removal 312319 Dewatering

312323.33 Flowable Fill

312333 Trenching and Backfilling 312500 Erosion and Sedimentation Controls 315000 Excavation Support and Protection

DIVISION 32 - EXTERIOR IMPROVEMENTS

321123 Aggregate Base Courses 321216 Asphalt Paving 321313 Concrete Paving 321373 Concrete Paving Joint Sealants 321614 Curbing 321623 Sidewalks 321723 Pavement Markings 323300 Site Furnishings 328400 Planting Irrigation 329113 Soil Preparation 329119 Landscape Grading 329200 Turf and Grasses 329300 Plants

DIVISION 33 - UTILITIES

330130.16 CCTV Inspection of Sewer Pipelines

Attachment A: Database Template Description PACP for SSA Projects

330130.41 Cleaning of Sewers

330130.61 Connections to and Work on the Existing Gravity Systems

330130.72 Cured-in-Place Pipe Lining

330130.73 Chemical Sealing of Sewer Pipelines

330130.74 Service Connection Inspection, Testing, and Sealing

330130.78 Glass Fiber Reinforced Cured-In-Place Pipe (GFR-CIPP)

330130.81 Manhole Rehabilitation

330509.33 Thrust Restraint for Utility Piping

330513 Manholes, Catch Basins and Precast Structures 330519 Ductile-Iron Utility Pipe for Water Service 330526 Utility Identification

330531.16 Polyvinyl Chloride Pressure Pipe

330533.23 Polyethylene Pressure Pipe for Water Service

331213 Water Service Connections 331216 Water Utility Distribution Valves

Station Improvements 000110 - 6 City of New Bedford, Massachusetts Issued for Bid

DIVISION 33 – UTILITIES (continued) 331219 Water Utility Distribution Fire Hydrants 331300 Disinfecting of Water Utility Distribution 333100 Sanitary Utility Sewerage Piping 333400 Sanitary Utility Sewerage Force Mains 334100 Storm Utility Drainage Piping

DIVISION 40 - PROCESS INTERCONNECTIONS

400506 Couplings, Adapters, and Specials for Process Piping 400507 Hangers and Supports for Process Piping 400519 Ductile Iron Process Pipe 400531 Thermoplastic Process Pipe 400551 Common Requirements for Process Valves 400553 Identification for Process Piping 400557 Actuators for Process Valves and Gates

400559.23 Stainless Steel Slide Gates

400562 Plug Valves

400565.33 Rubber Flapper Check Valves

400578.29 Combination Air Valves for Wastewater Service

400593.23 Low-Voltage Motor Requirements for Process Equipment 406100 Process Control and Enterprise Management Systems General Provisions

406121.20 Process Control System Testing

406126 Process Control System Training 406196 Process Control Descriptions 406263 Operator Interface Terminals 406343 Programmable Logic Controllers 406383 Remote Terminal Units 406613 Switches and Routers 406616 Firewall Hardware 406717 Industrial Enclosures 406733 Panel Wiring 406763 Control Panel Mounted UPS 406863 Configuration of HMI Software 406866 Configuration of Controller Software 407000 Instrumentation for Process Systems 407113 Magnetic Flow Meters 407243 Pressure and Differential Pressure Type Level Meters 407276 Level Switches 407313 Pressure and Differential Pressure Gauges 407336 Pressure and Differential Pressure Switches 407363 Diaphragm Seals 407623 Combustible Gas Analyzers 407633 Hydrogen Sulfide Analyzers 407643 Carbon Monoxide Analyzers 407813 Indicators and Meters 407816 Indicating Lights 407819 Switches and Push Buttons

Station Improvements 000110 - 7 City of New Bedford, Massachusetts Issued for Bid

DIVISION 40 - PROCESS INTERCONNECTIONS (continued) 407853 Relays 407856 Isolators, Intrinsically Safe Barriers, and Surge Suppressors 407859 Power Supplies

DIVISION 43 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION AND STORAGE

EQUIPMENT

432695 Submersible Chopper Pumps

Attachment: Pump Station System Curve

DIVISION 44 - POLLUTION AND WASTE CONTROL EQUIPMENT

443116 Activated Carbon Adsorption Odor Control Equipment

DIVISION 46 – WATER AND WASTEWATER EQUIPMENT

460553 Identification for Water and Wastewater Equipment

VOLUME III

APPENDICES

Appendix A – CCTV Stormwater Inspection Report

Appendix B – Soil Analytical Report

Appendix C – Geotechnical Design Recommendations Memo

Appendix D – Assessment for Asbestos-Containing Materials, Lead-Based Paint and Miscellaneous Hazardous Materials Appendix E – Record Drawings

* Indicates Filed Sub-bid Required.

THIS PAGE INTENTIONALLY LEFT BLANK

Division 02 Existing Conditions

This Page Intentionally Left Blank

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 1

City of New Bedford, Massachusetts Issued for Bid

SECTION 024119 - SELECTIVE DEMOLITION

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Demolition and removal of selected portions of building or structure.

2. Demolition and removal of selected site elements.

3. Salvage of existing items to be reused or recycled.

B. Related Requirements:

1. Section 011000 "Summary" for restrictions on use of the premises, Owner-occupancy requirements, and phasing requirements.

2. Section 010140 “Suggested Sequence of Construction”

3. Section 015000 "Temporary Facilities and Controls" for temporary protection of existing trees and plants that are affected by selective demolition.

4. Section 017300 "Execution" for cutting and patching procedures.

5. Section 026500 “Underground Storage Tank Removal”.

6. Section 311000 "Site Clearing" for site clearing and removal of above- and below-grade improvements not part of selective demolition.

C. An Assessment for Asbestos-Containing Materials, Lead-Based Paint and Miscellaneous

Hazardous Materials Report is included in Appendix D of this Specification.

1.3 SUBMITTALS

A. A complete and approved City of New Bedford Demolition Permit for the demolition of the

Howard Avenue pumping station buildings and below grade structures. The Demolition Permits shall be completed and paid for by the Contractor. All signoffs must be completed prior to the start of any demolition activities. Comply with all City of New Bedford, state and federal regulations during demolition process.

B. Conform to all submittal requirements associated with the demolition of asbestos containing materials.

C. Before commencing demolition work, all modifications necessary to bypass the affected structure shall be completed. Actual work shall not begin until the Engineer has inspected and approved the modifications and authorized commencement of the demolition work in writing.

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 2

City of New Bedford, Massachusetts Issued for Bid

D. Submit to the Engineer the following items prior to performing work associated with AC pipe:

1. Copy of licenses to perform asbestos abatement work.

2. Copy of training certificates and Massachusetts Department of Labor and Workforce

Development Certification for each worker.

3. OSHA medical surveillance documents conducted within the last 12 months for each work.

4. Plan describing the methods for performing air monitoring and sampling to be in compliance with OSHA Asbestos Standards.

5. Name, address and applicable licenses of the transporter and landfill that will handle and dispose of the asbestos cement pipe.

1.4 DEFINITIONS

A. Remove: Detach items from existing construction and dispose of them off-site unless indicated to be salvaged or reinstalled.

B. Remove Hazardous Materials: Isolate and remove hazardous materials from existing construction and properly dispose as required by existing regulations.

C. Remove and Salvage: Detach items from existing construction, in a manner to prevent damage, and store.

D. Remove and Reinstall: Detach items from existing construction, in a manner to prevent damage, prepare for reuse, and reinstall where indicated.

E. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or reinstalled.

F. Dismantle: To remove by disassembling or detaching an item from a surface, using gentle methods and equipment to prevent damage to the item and surfaces; disposing of items unless indicated to be salvaged or reinstalled.

1.5 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to

Owner that may be uncovered during demolition remain the property of Owner.

1. Carefully salvage in a manner to prevent damage and promptly return to Owner.

1.6 CLOSEOUT SUBMITTALS

A. Inventory: Submit a list of items that have been removed and salvaged.

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 3

City of New Bedford, Massachusetts Issued for Bid

1.7 FIELD CONDITIONS

A. Notify Engineer of discrepancies between existing conditions and Drawings before proceeding with selective demolition.

B. Hazardous Materials: The existing Howard Avenue Pumping Station Building may contain asbestos and lead based paint. Contractor is responsible for protecting workers, testing and proposal of material and complying with applicable regulations.. A report on the presence of hazardous materials is attached as Appendix D for review and use. the report to become aware of locations where hazardous materials are present.

C. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

1. Maintain fire-protection facilities in service during selective demolition operations.

1.8 COORDINATION

A. Arrange selective demolition schedule so as not to interfere with Owner's operations.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ASSE A10.6 and NFPA 241.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected and capped before starting selective demolition operations.

B. Review Project Record Documents of existing construction or other existing condition and hazardous material information provided by Owner. Owner does not guarantee that existing conditions are same as those indicated in Project Record Documents.

C. Steel Tendons: Locate tensioned steel tendons and include recommendations for de-tensioning.

D. Verify that hazardous materials have been remediated before proceeding with building demolition operations.

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 4

City of New Bedford, Massachusetts Issued for Bid

E. Survey of Existing Conditions: Record existing conditions by use of measured drawings and preconstruction photographs.

1. Comply with requirements specified in Section 013233 "Photographic Documentation."

2. Inventory and record the condition of items to be removed and salvaged. Provide photographs or video of conditions that might be misconstrued as damage caused by salvage operations.

F. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

G. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off utility services and mechanical/electrical systems serving areas to be selectively demolished.

1. Owner will arrange to shut off indicated services/systems when requested by Contractor.

2. Arrange to shut off utilities with utility companies.

3. Disconnect, demolish, and remove fire-suppression systems, plumbing, and HVAC systems, equipment, and components indicated on Drawings to be removed.

a. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material.

b. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material and leave in place.

c. Equipment to Be Removed: Disconnect and cap services and remove equipment.

d. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational.

e. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner.

f. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material.

g. Ducts to Be Abandoned in Place: Cap or plug ducts with same or compatible ductwork material and leave in place.

3.2 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

1. Provide protection to ensure safe passage of people around selective demolition area and to and from occupied portions of building.

2. Provide temporary weather protection, during interval between selective demolition of existing construction on exterior surfaces and new construction, to prevent water leakage and damage to structure and interior areas.

3. Protect walls, ceilings, floors, and other existing finish work that are to remain or that are exposed during selective demolition operations.

4. Cover and protect furniture, furnishings, and equipment that have not been removed.

5. Comply with requirements for temporary enclosures, dust control, heating, and cooling specified in Section 015000 "Temporary Facilities and Controls."

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 5

City of New Bedford, Massachusetts Issued for Bid

B. Temporary Shoring: Design, provide, and maintain shoring, bracing, and structural supports as required to preserve stability and prevent movement, settlement, or collapse of construction and finishes to remain, and to prevent unexpected or uncontrolled movement or collapse of construction being demolished.

1. Strengthen or add new supports when required during progress of selective demolition.

C. Remove temporary barricades and protections where hazards no longer exist.

3.3 SELECTIVE DEMOLITION, GENERAL

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Proceed with selective demolition systematically, from higher to lower level. Complete selective demolition operations above each floor or tier before disturbing supporting members on the next lower level.

2. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction.

Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain.

3. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces.

4. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain portable fire-suppression devices during flame-cutting operations.

5. Maintain fire watch during and for at least 12 hours after flame-cutting operations.

6. Maintain adequate ventilation when using cutting torches.

7. Remove decayed, vermin-infested, or otherwise dangerous or unsuitable materials and promptly dispose of off-site.

8. Remove structural framing members and lower to ground by method suitable to avoid free fall and to prevent ground impact or dust generation.

9. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

10. Dispose of demolished items and materials promptly.

B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

C. Removed and Salvaged Items:

1. Clean salvaged items.

2. Pack or crate items after cleaning. Identify contents of containers.

3. Store items in a secure area until delivery to Owner.

4. Transport items to Owner's storage area designated by Owner.

5. Protect items from damage during transport and storage.

Howard Avenue Pumping Selective Demolition

Station Improvements 024119 - 6

City of New Bedford, Massachusetts Issued for Bid

D. Removed and Reinstalled Items:

1. Clean and repair items to functional condition adequate for intended reuse.

2. Pack or crate items after cleaning and repairing. Identify contents of containers.

3. Protect items from damage during transport and storage.

4. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated.

E. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Engineer, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete.

3.4 SELECTIVE DEMOLITION PROCEDURES FOR SPECIFIC MATERIALS

A. Concrete: Demolish in small sections. Using power-driven saw, cut concrete to a depth of at least 3/4 inch at junctures with construction to remain. Dislodge concrete from reinforcement at perimeter of areas being demolished, cut reinforcement, and then remove remainder of concrete.

Neatly trim openings to dimensions indicated.

B. Masonry: Demolish in small sections. Cut masonry at junctures with construction to remain, using power-driven saw, and then remove masonry between saw cuts.

C. Concrete Slabs-on-Grade: Saw-cut perimeter of area to be demolished, and then break up and remove.

3.5 DISPOSAL OF DEMOLISHED MATERIALS

A. Remove demolition waste materials from Project site;

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

3. Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

B. Burning: Do not burn demolished materials.

3.6 CLEANING

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

END OF SECTION 024119

Howard Avenue Pumping Underground Storage Tank Removal

Station Improvements 026500 - 1

City of New Bedford, Massachusetts Issued for Bid

SECTION 026500 - UNDERGROUND STORAGE TANK REMOVAL

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SCOPE OF WORK

A. Furnish all labor, materials, tools, and equipment necessary to remove and dispose of the existing 1000-gallon fuel oil underground storage tank (UST) and associated piping and appurtenances, including electrical, structural and product equipment (e.g. anchor straps, manholes, concrete anchor slabs, piping, and pumps) at the Howard Avenue Pumping Station.

The work also includes the removal and disposal of any residual fluids and sludges remaining in the tanks.

B. Handling and disposal of oil contaminated soil and groundwater and floating product, if encountered, in the tank grave.

C. Related Requirements:

1. Section 026110 “Excavation and Management of Contaminated Soil.”

2. Section 028100 “Transportation and Disposal of Contaminated Materials.”

3. Division 31 for earthworks.

1.3 SUBMITTALS

A. Submit the following to the Engineer for review:

1. The name and address of the company that will accept the remaining liquid phase contents, tank sludge, and all contaminated water collected during tank and piping cleaning.

2. The name and address of the Massachusetts licensed tank disposal facility (tank yard) and/or disposal facility that will accept the decommissioned tank and piping.

3. All pertinent information relating to the transport and disposal of materials including transporter information (name, address, license and permits of common carrier/hazardous waste transporters) and disposal facility information (facility name, address, title of contact person, telephone of contact person, permit number).

4. Copies of facility-signed hazardous waste manifests, non-hazardous waste manifests, and all truck logs and weight slips associated with all Bill of Ladings (BOLs) and Material

Shipping Records & Logs (MSRs) within 48 hours of receipt of wastes at accepting disposal, recycling and reuse facilities.

5. Local Fire Department permits to remove the tank are required. Permits will need to be obtained from the City of New Bedford.

Howard Avenue Pumping Underground Storage Tank Removal

Station Improvements 026500 - 2

City of New Bedford, Massachusetts Issued for Bid

B. Submit to Engineer, Applications and Permits for all applicable Fire Departments prior to tank removal.

C. Within 7 days of UST removal, submit to the Engineer, Receipt of Disposal of Underground

Storage Tank from the approved tank yard.

D. Within 7 days of tank removal, submit to the Engineer, copies of the fully completed and signed

Notification for Removal or Closure of Storage Tanks (FP-290R), documenting submittal of the original form to the:

Massachusetts Department of Environmental Protection

(MassDEP) Bureau of Waste Prevention UST Program

P.O Box 120-0165

Boston, MA 02112-

E. Copies of the signed Form FP-290R shall also be forwarded to the local Fire Department.

F. Disposal Records: Submit documentation satisfactory to Owner, attesting to final and legal disposal of waste materials removed from site. Include records for the following:

1. Tank contents.

2. Tank sludge.

3. Tank triple rinse and wash water.

4. Contaminated soil.

5. Tanks.

6. Tank foundations.

1.4 REGULATORY REQUIREMENTS

A. The tank closure shall be conducted in accordance with the requirements of applicable federal, state and local regulations and policies including:

1. EPA 40 CFR Part 280, Technical Standards and Corrective Action Requirements for

Owners and Operators of Underground Storage Tanks.

2. Commonwealth of Massachusetts, 310 CMR 80.00 Underground Storage Tank (UST)

Regulations.

3. Commonwealth of Massachusetts, 310 CMR 30.000, Hazardous Waste Regulations.

4. Commonwealth of Massachusetts, 310 CMR 40.0000, Massachusetts Contingency Plan.

5. Massachusetts Department of Environmental Protection, WSC #402-96: Underground

Storage Tank Closure Assessment Manual.

B. The Contractor shall obtain and pay for all permits and make necessary arrangements with the local Fire Department prior to removal of the tanks.

C. The Contractor shall keep the local Fire Department informed of all activities throughout the performance of the work.

Howard Avenue Pumping Underground Storage Tank Removal

Station Improvements 026500 - 3

D. The Contractor shall obtain all federal, state and local permits required for the transport and disposal of all waste materials resulting from the performance of this work.

E. The Contractor shall document to the satisfaction of the Engineer that the transportation and disposal facilities proposed have all the certifications and permits required by federal, state and local regulatory agencies to receive and dispose of the liquid and solid wastes resulting from the performance of the work.

F. The Contractor shall provide a copy of all permits, completed manifests, and bills of lading to the Engineer.

1.5 DEFINITION

A. LSP: Licensed Site Professional, a hazardous waste site cleanup professional, as defined in

M.G.L. c. 21A, § 19, holding a valid license issued by the Board of Registration of Haz-ardous Waste Site Cleanup Professionals pursuant to M.G.L. c. 21A, §§ 19 through 19J.

1. LSP-of-Record: The LSP engaged by the Authority who will perform LSP-of –

Record services and regulatory interaction/coordination for the project.

2. Contractor's LSP - An LSP retained by the Contractor, and who supervises all as-pects of soil sampling, testing, and management, Contractor health and safety, and coordination with the Authority, as specified herein, including preparing draft MSRs and BOLs. Contractor’s LSP will serve as LSP-of-record for all oil and hazardous material (OHM) releases caused by the Contractor.

PART 2 - PRODUCTS

2.1 GENERAL

A. The Contractor shall provide all employees and Subcontractor(s) with personal protective equipment and protective clothing consistent with the levels of protection for this Work as indicated in the Contractor's Safety, Health, and Emergency Response Plan (SHERP).

PART 3 - EXECUTION

3.1 GENERAL

A. All work shall be done by skilled and experienced craftsmen, working under the supervision of a capable foreman. All workmanship shall be of the highest quality and to the complete satisfaction of the Engineer. All materials shall be applied in accordance with the manufacturer's directions and shall be changed only at the written direction of the Engineer.

Howard Avenue Pumping Underground Storage Tank Removal

Station Improvements 026500 - 4

City of New Bedford, Massachusetts Issued for Bid

B. The Contractor shall contact DigSafe to locate underground utilities prior to the start of excavation activities. The Contractor shall renew the DigSafe number as necessary during the work activities such that the ticket is always current.

C. Prior to any removal activities, notify the local Fire Department, and submit application for removal and transportation to an approved tank disposal yard. All required approvals must be obtained prior to removal activities.

3.2 UNDERGROUND STORAGE TANK AND PIPING REMOVAL

A. Inspect tank location prior to excavation, decontamination and removal activities to the extent required to safely perform the work.

B. Confirm utilities in the vicinity of each tank and make necessary arrangements to protect utilities potentially impacted by the tank removal activities.

C. Identify site features including building, trees, fencing, sidewalks, etc. potentially impacted by the tank removal activities and protect or repair/replace following tank removal as required by the Owner at no additional no additional cost to the Owner.

D. Assure that any electrical power connected to the tank or its ancillary equipment (pumps) has been deactivated and the actual wiring properly dismantled at the circuit breaker(s).

E. The Owner’s LSP-of-Record or representative shall oversee all tank removal activities.

F. Remove and properly manage and dispose of surface materials over tank excavation, including concrete slab and asphalt.

G. Collect, containerize and dispose of all residual oils and sludge remaining in the tanks and piping prior to tank cleaning and removal.

H. Tanks shall have interiors steam cleaned or power washed followed by three rinses or as required to achieve standards required by the tank disposal facility. The steam discharge nozzle and all conductive insulated objects subject to impingement or condensation shall be bonded to the tank or be grounded. Liquid waste generated as a result of steam cleaning and rinsing operations shall be collected and removed by the Contractor. Avoid spillage into the excavation area.

I. After the above operation, all flammable vapors shall be removed from the tank by displacement with inert gas. Tank vapor purging by displacement may be performed by adding solid carbon dioxide, (dry ice), in the amount of 1.5 pounds per 100 gallons of tank capacity.

The dry ice shall be crushed and distributed evenly over the greatest possible area to ensure rapid sublimation. All available tank openings shall be open to the atmosphere during this procedure to ensure rapid dissipation of the dry ice.

J. To evaluate the effectiveness of the dry ice procedure, the Contractor shall use an explosimeter to determine if the resultant vapor mixture within the tank exceeds ten percent of the Lower

Explosive Limit (LEL). Readings shall be taken throughout the tank’s depth wherever access is possible. If the vapors within the tank exceed ten percent of the LEL, the displacement

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City of New Bedford, Massachusetts Issued for Bid procedure shall be repeated followed by a recheck of the LEL until the vapors are less than 10 percent of the LEL.

K. After acceptable LEL levels have been reached, excavation or removal of tank and piping may begin:

1. Excavation around the perimeter of the tank shall be performed in a manner that will limit the amount of excavated soil. Visibly contaminated soil shall be segregated.

2. Surface water shall be diverted to prevent direct entry into the excavation.

3. Excavation shall be sufficiently dewatered to allow adequate access to the tanks and piping and provide for a safe excavation.

L. The tank shall be removed from the excavation and the exterior cleaned to remove all soil and inspected for signs of corrosion, structural damage, or leakage. All materials coming into contact with the tanks, or in the vicinity of the excavation such as shovels, slings and tools shall be of the non-sparking type.

M. When the tank and tank fixtures have been removed from the ground, the tank grave shall be sampled for contamination with headspace readings by the Owner’s LSP-of-Record or representative. Based on the visual evidence and headspace readings, the Owner’s LSP-of-

Record or representative will direct the Contractor to collect up to six confirmatory samples from the tank grave underlying soil, including one at each end of the tank at the level of the tank bottom and one from the midpoint of each of the sidewalls along the sides of the tank. Samples shall also be collected along product lines, if any exist at a frequency of at least one sample per

20 feet of piping. For the purpose of pricing, assume that one sample will be collected along product piping. All samples shall be analyzed by a laboratory approved by the Commonwealth of Massachusetts and data shall be reported to the Owner’s LSP-of-Record and the Engineer within 48 hours of data receipt. Excavations shall remain open until the data has been received and reviewed by the Owner’s LSP-of-Record and the Engineer. Any temporary open excavations shall be properly barricaded until backfilled. The confirmatory analytical samples shall be analyzed for:

Parameter Method

Volatile petroleum hydrocarbons (VPH) with target analyses MADEP-VPH-

18-2.1 Extractable petroleum hydrocarbons (EPH) with target analyses MADEP-EPH-

04.1-1

N. If contaminated soil is suspected through visual, olfactory evidence or headspace analysis during excavation and tank removal or based on the Owner’s LSP-of-Record’s review of the confirmatory soil sample data, the Owner’s LSP-of-Record may direct the Contractor to perform Work to segregate contaminated soil and perform additional excavation as required. As directed by the Owner’s LSP-of-Record, contaminated soil will need to sampled and disposed of in accordance with Specification 028100 “Transportation and Disposal of Excess Material”.

The Owner’s LSP-of-Record will be responsible for notifying MassDEP if a reporting condition exists.

O. If the tank is fiberglass, and if allowed by the local Fire Departments, the tank may be reduced in size, on-site. If the tank is steel, the tank shall be perforated to render it unusable.

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City of New Bedford, Massachusetts Issued for Bid

P. All piping, including electrical conduit, vent lines and product lines associated with the tank shall be completely removed to the interior face of any associated building wall. Piping shall be reduced to appropriate lengths and cleaned of all contaminated materials. Sleeves and piping passing through building walls shall be cleaned and permanently capped and plugged on the outside in a manner approved by the Engineer.

Q. Tank anchoring structures such as concrete deadmen or hold down slabs shall be removed and disposed of by the Contractor.

R. All level monitoring and control equipment, including transmitters, indicators, and wiring shall be completely removed to the interior face of any associated building wall, as applicable.

3.3 STORAGE OF EXCAVATED MATERIAL

A. Excavated material shall be stored in accordance with Specification 026110 “Excavation and

Management of Soil.” If required, temporarily stock-piled excavated soil shall not exceed a volume of 500 cubic yards pending soil characterization and/or on-site reuse determinations.

B. Stockpiles shall be securely covered with 10 mil (or higher gauge) polyethylene.

C. Stockpiles shall be securely barricaded and clearly labeled.

D. Soils shall be suitably dewatered prior to their leaving the site, to prevent free water from developing during transport to the disposal facility.

E. Hay bales shall be placed around the base of the stockpiles.

3.4 DISPOSAL

A. Dispose of all residue, sludges, process chemicals, cleaning materials, and fluids from the tank at an approved disposal/recycling facility.

B. Tank and piping shall be delivered for disposal in an acceptable manner to an approved disposal yard following decontamination.

C. All concrete, asphalt and demolition related wastes associated with the tank removals shall be broken up and disposed of off-site at an approved facility.

D. The Contractor shall be responsible for determining the appropriate disposal location for contaminated soils that may be generated based on soil sampling, analysis results and disposal facility testing results. Disposal determination will be subject to the Engineer’s review.

E. The Owner will be the generator and will sign all waste profiles, questionnaires, bills of lading

(BOL), Material Shipping Records & Logs (MSR) and hazardous waste manifests (if required).

3.5 SAFETY

A. Personnel working inside and in the general vicinity of the tank shall be trained and thoroughly familiar with the safety precautions, procedures and equipment required for controlling the

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City of New Bedford, Massachusetts Issued for Bid potential hazards associated with this work. Personnel shall use proper protection and safety equipment during work in and around the tank, as outlined in the SHERP.

B. All provisions of the SHERP shall be in force during tank removal and demolition activities, unless modified in writing by the Site Safety and Health Officer, reviewed by the Engineer, and approved by Owner.

C. Warning signs and devices shall be placed at regular intervals along the work area perimeter.

D. Prior to ending operations on any working day or at any time the Contractor is not on site, the

Contractor shall secure all areas of work in a safe manner to the satisfaction of the Owner. In addition to applicable OSHA requirements for protection of workers, the Contractor shall comply with the applicable requirements of 520 CMR 14.03(2) (a) regarding fencing, barricades, covering or other means to restrict access to the excavation for the protection of the public.

E. Cutting of steel or other metals by thermal methods shall, at all times, occur in a non-explosive environment. During such work, explosivity in the tank, piping and of the surrounding atmosphere shall be continuously monitored. The Contractor shall note that residual pockets of oils or residues may exist in some of the pipelines and the Contractor shall exercise care to prevent re-lease to the environment and harm to employees or other site personnel resulting from potential explosive nature of the contained materials.

F. Provide and maintain an adequate supply of fire extinguishers and other required safety equipment in proximity to all demolition activity.

END OF SECTION 026500

Division 03 Concrete

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Howard Avenue Pumping Modifications to Existing Concrete Station Improvements 030130.71 - 1 City of New Bedford, Massachusetts Issued for Bid

SECTION 030130.71 - MODIFICATIONS TO EXISTING CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes:

1. Cutting, removing, or modifying parts of existing concrete structures or appurtenances.

2. Addressing existing steel reinforcing bars encountered.

3. Bonding new concrete or grout to existing concrete.

B. Related Requirements:

1. Section 024119 “Selective Demolition” for selective demolition and modification procedures.

2. Section 033000 “Cast-In-Place Concrete” for concrete materials, and related work.

3. Section 036000 “Grouting” for grout and related accessories.

4. Section 050519 “Post-Installed Anchors and Reinforcing Bars” for anchors and related accessories.

5. Section 055000 “Metal Fabrications” for various metals and related fabrications.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Submit manufacturer's technical literature and installation instructions that include:

a. Current printed recommendations and product data sheets for products including performance criteria, product life, working time after mixing, surface preparation and application requirements and procedures, curing, volatile organic compound data, and safety requirements.

b. Storage requirements including temperature, humidity, and ventilation.

1.4 INFORMATIONAL SUBMITTALS

A. Qualification Data: Documentation of the qualifications for Contractor, Manufacturer, and

Contractor's supervisor as specified in Part 1 “Quality Assurance” Article.

B. Material Certificates: For each material provided.

Howard Avenue Pumping Modifications to Existing Concrete Station Improvements 030130.71 - 2 City of New Bedford, Massachusetts Issued for Bid

1.5 QUALITY ASSURANCE

A. Manufacturer's Qualifications: Have a minimum of ten years’ experience within last 10 years in manufacture and use of specified products and have an ongoing program of training, certifying, and technically supporting Contractor's personnel.

B. Contractor’s Qualifications: Complete a program of instruction in application of approved manufacturer's material and provide certification from manufacturer attesting to their training and status as an approved applicator.

C. Contractor's Supervisor’s Qualifications: Have attended a training program sponsored by manufacturer supplying materials approved for this project.

D. Manufacturer’s Representative: A representative of product manufacturer who will visit the site for first three days of installation to give instructions to installation crew. Make periodic site visits to ensure products being installed are in accordance with published instructions.

E. Be solely responsible for workmanship and quality of modification work. Inspections by the manufacturer, the Engineer, or others do not limit Contractor's responsibility for work quality.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Delivery: Deliver materials in original, new and unopened packages and containers clearly labeled with the following information:

1. Manufacturer's name.

2. Name or title of material, and other product identification.

3. Manufacturer's stock number and batch number.

4. Date of manufacture.

5. Instructions.

6. Expiration date.

B. Storage: Store products in accordance with manufacturers' published recommendations and the following supplementary requirements:

1. Store only approved materials on site and in locations as directed.

2. Keep area clean and accessible.

3. Comply with health and fire regulations including those of the Occupational Safety and

Health Administration (OSHA).

C. Handling: Handle products carefully and in accordance with manufacturers' published recommendations and the following supplementary requirements:

1. Prevent inclusion of foreign materials.

2. Do not open containers or mix components until necessary preparatory work has been completed and application work will start immediately.

Howard Avenue Pumping Modifications to Existing Concrete Station Improvements 030130.71 - 3 City of New Bedford, Massachusetts Issued for Bid

PART 2 - PRODUCTS

2.1 MATERIALS

A. General: Comply with this Section and applicable state and local regulations.

B. Epoxy Bonding Agent:

1. Product: Two-component, solvent-free, asbestos-free moisture insensitive epoxy resin material used to bind plastic concrete to hardened concrete and complying with requirements of ASTM C 881, Type V, Grade 2, Class C.

C. Epoxy Paste Adhesive:

1. Product: Two-component, solvent-free, moisture insensitive epoxy resin material used as an adhesive for mating surfaces where the glue line is 1/8 inch or less and to bond fresh, plastic concrete to clean, sound hardened concrete and complying with requirements of

ASTM C 881, Type IV, Grade 3, Class C.

D. Repair Mortar (Polymer-Modified Portland Cement Mortar):

1. Horizontal Surfaces:

a. Product: Two-component polymer-modified, portland cement based mortar used to repair horizontal surfaces with a migrating corrosion inhibitor and having a minimum compressive strength of 7,000 psi at 28 days tested in accordance with

ASTM C 881 or ASTM C 109.

2. Vertical and Overhead Surfaces:

a. Product: Two-component polymer-modified, portland cement based, fast setting, non-sag mortar used to repair vertical and overhead surfaces with a migrating corrosion inhibitor and having a minimum compressive strength of 5,000 psi at 28 days tested in accordance with ASTM C 881 or ASTM C 109.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions under which modification work is to be installed, and notify

Engineer in writing of conditions detrimental to proper and timely completion of work. Do not proceed with work until unsatisfactory conditions have been corrected in a manner acceptable to

Engineer.

B. Examine substrates and conditions, with Installer present, for compliance with requirements for maximum moisture content, installation tolerances and other conditions affecting performance of the Work.

Howard Avenue Pumping Modifications to Existing Concrete Station Improvements 030130.71 - 4 City of New Bedford, Massachusetts Issued for Bid

3.2 INSTALLATION - GENERAL

A. Do not shift, cut, remove, or otherwise alter existing structure or concrete until authorization is given by the Engineer.

B. When removing materials from or making openings in existing structures, take precautions and erect necessary barriers, shoring and bracing, and other protective devices. Prevent damage to structures beyond limits necessary for new work, protect personnel, control dust, and to prevent damage to structures or contents by falling or flying debris.

C. Unless otherwise permitted, shown, or specified, cut existing concrete by line drilling.

D. Construction Tolerances: Comply with requirements specified elsewhere in Division 03, except as modified herein, and elsewhere in Contract Documents.

E. Make locations and phases of the work available for access by the Engineer or other personnel designated by the Engineer. Provide ventilation and safe access to the work.

F. Cut, remove, or otherwise modify parts of existing structures or appurtenances as indicated, specified, or as necessary to complete the work. Finishes, joints, reinforcements, sealants, and similar materials are specified in their respective Sections. Install work complying with requirements of this Section and as indicated.

G. Locations, details, and limits of modifications are indicated on Drawings. Comply with requirements of this Section and as indicated on Drawings.

H. Examine areas and conditions under…