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Technical Specifications Air Sparge/Soil Vapor Extraction (As/Sve) System Passyunk Plant and Porter Fsd Station Philadelphia, Pennsylvania

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Technical Specifications Air Sparge/Soil Vapor Extraction (As/Sve) System Passyunk Plant and Porter Fsd Station Philadelphia, Pennsylvania PGW AS/SVE FINAL 010315 FINAL TECHNICAL SPECIFICATIONS AIR SPARGE/SOIL VAPOR EXTRACTION (AS/SVE) SYSTEM PASSYUNK PLANT AND PORTER FSD STATION PHILADELPHIA, PENNSYLVANIA PREPARED FOR: PHILADELPHIA GAS WORKS 800 W. Montgomery Avenue Philadelphia, Pennsylvania, 19122 PREPARED BY: SILAR SERVICES, INC. 983 BUTLER PIKE BLUE BELL, PA 19422 JANUARY 2016 00100-1 PGW AS/SVE FINAL 010316 SECTION 00110 TABLE OF CONTENTS SECTION TITLE 00100 Cover Sheet 00110 Table of Contents 00115 List of Drawings 01000 Summary 01110 Measurement & Payment 01200 Existing Conditions 01310 Project Management & Coordination 01320 Construction Surveying 01330 Submittals 01350 Health & Safety 01410 Permits 01450 Construction Quality Control 01500 Temporary Facilities & Controls 01700 Execution Requirements 02320 Trenching and Backfill 02510 Pipeline and Wellhead Connections 10200 Air Sparge and Soil Vapor Extraction Mechanical Systems 10600 Thermal Oxidizer 10800 Operation and Maintenance 16000 Electrical 16100 Electrical Requirements for Packaged Equipment APPENDICES Appendix A Available Information Pilot Test Report for Groundwater and Soil Remediation, TRC Environmental Corporation (TRC), February 2015, (Table 4 Revised February 26, 2015). 00110 - 1 PGW AS/SVE FINAL 010316 Appendix B PGW Engineering Standards Electrical Construction Standard, PGW-E-100 Painting Standard, PGW-P-100 Piping Excavation and Backfill Standard, PGW-M-100 Pressure Testing Standard, PGW-M-103 Reinforced Concrete Standard, PGW-D-100 END OF SECTION 00110 - 2 PGW AS/SVE FINAL 010316 SECTION 00115 LIST OF DRAWINGS DRAWING TITLE SK15-013, T-1 TITLE SHEET SK15-013, C-1 EXISTING CONDITIONS SK15-013, C-2 EXISTING SITE PLAN SK15-013, C-3 PROPOSED AS/SVE LAYOUT SK15-013, C-4 TYPICAL WELL CONNECTION DETAILS SK15-013, C-5 TRENCHING DETAILS SK15-013, C-6 EQUIPMENT BUILDING DETAILS SK15-013, C-7 ELECTRICAL DETAILS AND EQUIPMENT BUILDING FLOOR PLAN SK15-013, C-8 AS AND SVE MANIFOLD DETAILS SK15-013, P-1 PROCESS AND INSTRUMENTATION DIAGRAM (P&ID) END OF SECTION 00115 - 1 PGW AS/SVE FINAL 010316 SECTION 01000 SUMMARY PART 1 – GENERAL 1.01 SECTION INCLUDES A. Project Description B. Intent of Documents C. Work Sequence D. Glossary E. Specific Conventions F. Workmanship G. Site Safety & Work Rules H. Protection of Existing Facilities I. Site Features J. Taxes 1.02 PROJECT DESCRIPTION A. A brief description of project activities: The project is intended to install and operate a fully functional Air Sparge (AS) and Soil Vapor Extraction (SVE) remediation system at the PGW Porter FSD Station and the PGW Passyunk Plant. An in-situ air sparge/soil vapor extraction (AS/SVE) system is being installed in order to reduce the concentration of Volatile Organic Compounds (VOCs) in groundwater and to minimize potential impacts associated with off-site migration of impacted groundwater. A Thermal Oxidizer (TO) is planned to be installed to treat off-gases from the SVE system prior to discharge to the atmosphere. The Work shall include, but not be limited to: 1. Preparation of submittals, drawings, and supporting documentation including operation and maintenance manuals for the AS/SVE and TO systems. 2. Development and implementation of a site-specific Health and Safety Plan (Section 01350) to manage project-related risks to workers, PGW workers, visitors and the general public. 3. Complete all required Submittals to facilitate the timely progress of the Work. 4. Perform pre-construction utility location work and administrative requirements. Identify overhead or underground utilities that may require modified work practices prior to the start of the Work. 01000 - 1 PGW AS/SVE FINAL 010316 5. Obtain all permits required for work not previously obtained by PGW or Engineer per Section 01410. 6. Mobilization of construction equipment and personnel to the Site. 7. Delivery of materials and AS/SVE and TO equipment to the site. 8. Site preparation including installing sedimentation control measures at storm drains as described in Section 02320, establishing temporary facilities as needed. 9. Perform pre-construction survey, if necessary, of buildings, utilities, fences and features in areas of planned remedial activities that may be impacted by excavation or any other aspect of work. 10. Demolish any previously unidentified subsurface structures and abandoned utilities encountered, as needed, to accommodate excavation and pipeline installation. 11. Install temporary controls to protect the Work in progress. 12. Excavate pipe trenching and install AS/SVE piping as shown on the Contract Drawings. 13. Trench, backfill, and perform surface restoration for electrical service installation. Excavate for transformer pad installation. Electrical service and transformer pad will be furnished and installed BY OTHERS. 14. Provide and install AS/SVE equipment, complete with enclosures and controls. 15. Provide and install air treatment equipment, complete with enclosures and controls. 16. Complete surface restoration as shown on the contract drawings. 17. Perform system startup and initial testing. 18. Perform system operation and maintenance. 19. Decontaminate equipment and personnel. 20. Provide project documentation including submittals, daily reports, results of quality control testing, etc. 21. Demobilize. 22. Any analytical testing to be performed by Contractor must be performed by a Pennsylvania-Certified laboratory and results shall be provided to Engineer/PGW with an affidavit of compliance from the analytical laboratory. 1.03 INTENT OF DOCUMENTS A. Contractor shall furnish the following: 1. All labor, tools, materials, equipment, transportation, and related items essential for completion of the Work. 2. All systems complete and left in good operating condition. 01000 - 2 PGW AS/SVE FINAL 010316 3. Apparatus, appliance, material or work not shown on Contract Drawings but mentioned in Specifications, or vice versa. 4. Accessories, reasonably inferable from Contract Drawings and Specifications, necessary to make work complete and ready for operation. 5. New equipment and material unless otherwise called for. B. Notes, legends, or instructions shown on any one Contract Drawing apply, where applicable, to all other Contract Drawings. C. References to codes, specifications and standards called for in the Specification Sections and on the Contract Drawings mean the latest edition, amendment and revision of such referenced standard in effect on the date of these Contract Documents. D. Code Compliance: Provide Work in compliance with the following: 1. State Fire Prevention Code 2. State Department of Labor Rules and Regulations 3. OSHA Regulations 4. National Electric Code 5. PGW Engineering Standards a) PGW Electrical Construction Standard, PGW-E-100 b) PGW Painting Standard, PGW-P-100 c) PGW Piping Excavation and Backfill Standard, PGW-M-100 d) PGW Pressure Testing Standard, PGW-M-103 e) PGW Reinforced Concrete Standard, PGW-D-100 6. Ordinances and building code of the City of Philadelphia, PA 7. All other Codes applicable to the Work. 8. Plans and Specifications in excess of code/regulations requirements and not contrary to the same. 1.04 WORK SEQUENCE Perform Work in stages as shown on the project schedule (to be submitted in Contractor's bid) to limit the active construction area at all times. Contractor’s construction sequence will require Engineer’s review and must meet with Engineer’s approval. During construction period, coordinate construction schedule, sequencing and operations with Engineer and PGW. 01000 - 3 PGW AS/SVE FINAL 010316 1.05 GLOSSARY ACI American Concrete Institute AISC American Institute of Steel Construction ANSI American National Standards Institute API American Petroleum Institute ASTM American Society for Testing Materials AWSC American Welding Society IEE Institute of Electrical and Electronics Engineers NEC National Electrical Code NEMA National Electrical Manufacturers’ Association NESC National Electrical Safety Code NFPA National Fire Protection Association OSHA Occupational Safety and Health Administration UFPO Underground Facilities Protective Organization UL Underwriters’ Laboratories, Inc. As Called For Material, equipment including the execution specified/shown in the Contract Documents. Code Requirements Minimum requirements Contractor Bidder receiving the Award of Contract Days Work days Engineer Silar Services, Inc. Equal or Equivalent Equally acceptable as determined by the Engineer/PGW. Final Acceptance PGW acceptance of the project from Contractor upon certification by the Engineer. Furnish Supply and deliver to installed location. Inspection Visual observations by Engineer/PGW. Install Mount and connect equipment and associated materials ready for use. Or Approved Equal Approved equal or equivalent as determined by Engineer/PGW. Owner Philadelphia Gas Works (PGW) Provide Furnish, install and connect ready for use. 01000 - 4 PGW AS/SVE FINAL 010316 Relocate Disassemble, disconnect and transport equipment to new location, then clean, test and install ready for use. Replace Remove and provide new item. Satisfactory As specified in Contract Documents. Substantial Completion Contractor’s completion of specified work ready for final inspection by PGW and Engineer. Subcontractor Any Firm Contracted Directly by Contractor to complete Contract Work at Site. 1.06 SPECIFICATION CONVENTIONS A. For convenience, these specifications are divided into various sections. Such division is not intended to limit or define contractors. The complete performance of the Work will be the responsibility of
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