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HomeMy WebLinkAboutLD23-5982Permit Number: LD23-5982 LD - Utilities/ Excavation - Parallel Issued: 11/03/2023 Expired: 05/29/2024 Job Address: 39955 Nicolas Rd Legal Description: City of Temecula - Land Development Division 41000 Main Street - Temecula, CA 92590 Mailing Address: P.O. Box 9033 Temecula, CA 92589-9033 Phone: (951) 308-6395 Fax: (951) 694-6475 Gerardo Padilla 10260 Matern Pl. Santa Fe Springs, CA 90620 (562) 325-7800 Applicant: Gerardo Padilla 10260 Matern Pl. Santa Fe Springs, CA 90620 (562) 325-7800 Contractor: Utility Work Order Number: Description: EMWD; Sewer Rehab Location:N. General Kearny & Sierra Madre Rd. Proposed Work: Project owned by Eastern Municipal Water District consisting of sewer rehabilitation using Cured in Place Pipe Method (CIPP), which does not require excavation. Project Location: N General Kearny & Sierra Madre Rd., Temecula, CA. It is one 8" segment approximately 220 ft. All facilities shall be installed in accordance with City Standard Drawing 117. Traffic Control shall be in accordance with approved Traffic Control Plan LD23-5982 Permittee shall comply with all applicable Traffic Control General Notes. Safe pedestrian/bicycle traffic and driveway access shall be maintained at all times. Concrete repair shall be in accordance with City Standards and the Greenbook. Trench repair shall be in accordance with City Standard Drawing 407. Final compaction test results shall be provided by a soils engineer. Concrete curbs, walks, gutters, cross gutters and driveway approaches damaged during construction shall be removed from joint to joint and reconstructed in accordance with City Standards and the Greenbook. All disturbed landscaping and other improvements shall be removed/repaired and replaced to the satisfaction of Public Works Inspector. Permittee shall contact LDInspections@temeculaca.gov a minimum of two (2) business days prior to any work. Page 1 of 3*****See Page 2 of this Permit for Permittee Responsibilities***** Permit Number: LD23-5982 LD - Utilities/ Excavation - Parallel Permittee must also request a final inspection, via LDInspections@temeculaca.gov, to verify completion of project. Permittee Responsibilities This Permittee agrees to indemnify, defend and save the City, its authorized agents, officers, representatives and employees, harmless from and against any and all penalties, liabilities or loss resulting from claims or court action and arising out of any accident, loss or damage to persons or property happening or occurring as a proximate result of any work undertaken under the permit granted pursuant to this application. Trench repair shall be pursuant to City of Temecula Standard Drawing No. 407. 3.Traffic control devices shall be utilized to protect and control pedestrian and vehicular traffic in the construction area in accordance with the latest revision of the “Manual of Uniform Traffic Control Devices for Streets and Highways” (MUTCD). The contractor shall submit a specific traffic control plan for review and approval by the City in accordance with City “Traffic Control Plan Guidelines” for all work within Major Circulation Element streets. 2.BEFORE YOU DIG - CALL (TOLL FREE) 800-422-4133 A pre-construction meeting is required two (2) business days prior to any scheduled work. Permittee shall contact LDInspections@TemeculaCA.gov to schedule a meeting. 1. 4. Water Quality: Contractor shall remain in compliance with the City Water Pollution Control Ordinance. Contractor is required to provide protection of the City storm drain system. 5. Work hours shall be limited between 7:30 AM and 4:30 PM, Monday through Friday, unless otherwise noted. No work shall be allowed during City-recognized holidays." 6. THIS PERMIT IS ISSUED AND ACCEPTED SUBJECT TO THE FOLLOWING CONDITIONS AND ANY ATTACHED PROVISIONS: All U.S.A. mark outs shall be removed prior to completion of project.7. 8.All contractors and subcontractors shall have a valid City of Temecula business license and valid Certificate of Liability prior to start of work. 9.Should there be any claim against the City and the property owner with the encroachment being the proximate cause, the property owner shall be notified in writing to remove the encroachment within 30 days or the City will remove and bill the owner. 10.Permission is hereby requested to encroach into public right of way to perform work as set forth above. It is understood that this permit is limited to the work described herein and that all work is to be done in compliance with the provisions attached to this permit and with all other applicable rules. Permittee shall be responsible for said compliance, for acceptability of the work, for repair or replacement thereof if defective, and for repair or replacement of any existing improvement damaged by the doing of the work I hereby certify and agree on behalf of the Permittee that all laws, regulations and ordinances of the City of Temecula and the State of California and the terms and conditions of the Permit shall be complied with whether herein stated or not. 11. 12.I hereby warrant and represent to the City that I am authorized to execute this Permit Application on behalf of the Permittee and bind the Permittee to the agreements contained herein and any conditions of the Permit. ******Contractor and all subcontractors shall be present at the pre-construction meeting; otherwise, the meeting will be rescheduled to a later date****** Any work commencing within the City right-of-way before permit issuance or a pre-construction meeting shall be subject to a 72-Hour suspension of said work and an assessment of double permit fees.13. Permitee Date Page 2 of 3 Permit Number: LD23-5982 LD - Utilities/ Excavation - Parallel City Engineer or Authorized Representative Date 11/03/2023 Page 3 of 3 Land Development Encroachment Permit 41000 Main Street Temecula, Ca 92590 Phone: 951-694-6444 www.temeculaca.gov R:\LAND DEVELOPMENT DIVISION\Forms\Permit Applications\Word\Encroachment Permit App.docx Page 1 of 2 Revised: 06/16/2020 APPLICATION INFORMATION PERMIT NO.: Type of Encroachment:  Street/Storm Drain  Sewer/Water  Utility Trenching  Signing & Striping  Traffic Signal  Miscellaneous (SPECIFY BELOW) The undersigned hereby applies to excavate, construct and otherwise encroach on City street right-of-way, as follows: Name(s) of street(s) and/or street address: Utility Work Order #: Start Date: End Date: In consideration of granting this application, all applicants including utility companies hereby agree to: 1. If applicable, submit a set of Construction Drawings, Traffic Control Plans, proof of City Business License for all parties involved, proof of Contractor’s License along with this application at the time of submittal. See the Traffic Control Plan Checklist for details. 2. Indemnify, defend and save the City, its authorized agents, officers, representatives and employees, harmless from and against any and all penalties, liabilities or loss resulting from claims or court action and arising out of any accident, loss or damage to persons or property happening or occurring as a proximate result of any work undertaken under the permit granted pursuant to this application. (See below for specific liability insurance requirements.) 3. Remove/relocate any encroachment installed/maintained under this permit, upon written notice from the City Engineer. 4. Notify the Land Development Inspection Division via email at LDInspections@temeculaca.gov at least two (2) working days prior to commencing construction. Hold a pre-construction meeting prior to the start of construction. The developer/general contractor must be present for the timely request of inspections. 5. Comply with the Standard Specifications, most current Improvement Standard Drawings for Public Works Construction, City of Temecula Municipal Code Chapters 13.04 and 18.12, terms and conditions of the permit and all applicable rules and regulations for the City of Temecula and other public agencies having jurisdiction. LIABILITY INSURANCE REQUIREMENTS PROVIDE PROOF OF INSURANCE COVERAGE MEETING THE REQURIEMENTS STATED BELOW OR A CITY ATTORNEY APPROVED EQUIVALENT WITH THE CITY NAMED AS ADDITIONAL INSURED. IN THE EVENT THAT THE INSURANCE IS PROVIDED BY THE CONTRACTOR, THE CITY AND THE OWNER/DEVELOPER MUST BE NAMED AS ADDITIONAL INSURED. THIS REQUREMENT SHALL BE MET BY EITHER THE APPLICANT (DEVELOPER, OWNER, PUBLIC UTILITY AGENCY OR FRANCHISE) OR BY THE CONTRACTOR PERFORMING THE SUBJECT WORK, PRIOR TO BEGININNG ANY WORK PROPOSED UNDER THE SUBJECT ENCROACHMENT PERMIT. Project owned by Eastern Municipal Water District consisting of sewer rehabilitation using Cured in Place Pipe Method (CIPP), which is trenchless. It is one 8" segment approximately 220 ft. This work will take 2 days to complete. One day to clean the sewer line and one day to complete the sewer rehab work. N General Kearny & Nicolas Rd., Temecula, CA x x 9/25/23 10/22/23 LD23-5982 APPROVED BY CITY OF TEMECULA PUBLIC WORKS david.pina 10/06/2023 10/06/2023 10/06/2023 10/06/20 Land Development Encroachment Permit 41000 Main Street Temecula, Ca 92590 Phone: 951-694-6444 www.temeculaca.gov R:\LAND DEVELOPMENT DIVISION\Forms\Permit Applications\Word\Encroachment Permit App.docx Page 2 of 2 Revised: 06/16/2020 Proof of coverage shall be by certificate (Accord or equivalent) naming the City of Temecula as certificate holder and the minimum limits of insurance coverage shall be as follows: a. General Liability: One million dollars ($1,000,000) per occurrence for bodily injury, personal injury and property damage. If Commercial General Liability Insurance or other form with a general aggregate limit is used, either the general aggregate lim it shall apply separately to this project/location or the general aggregate limit shall be twice the required occurrence limit. b. Automobile Liability: One million dollars ($1,000,000) per accident for bodily injury and property damage. c. Worker’s Compensation as required by the State of California; Employer’s Liability: One million dollars ($1,000,000) per accident for bodily injury or disease. d. Course of Construction: Completed value of the project. There is a limited exception to this requirement. Owners of single family homes doing work on the home’s driveway approac h located in the public right-of-way, may use their homeowners insurance with public liability and property damage coverage in at least the following minimum limits and which will name the City of Temecula as an additional insured for the duration of the encroachment permit: BODILY INJURY $250,000.00 EACH PERSON $500,000.00 EACH OCCURANCE $500,000.00 AGGREGATE PRODUCTS AND COMPLETED OPERATIONS PROPERTY DAMAGE $100,000.00 EACH OCCURANCE $250,000.00 AGGREGATE PRODUCTS AND COMPLETED OPERATIONS A combined single limit homeowner’s policy with aggregate limits in the amount of $1,000,000.00 will be considered equivalent to the required minimum limits. Homeowners: a copy of the required homeowners insurance and a Certificate of Insurance showing the City named as an additional insured shall be attached to the application. The undersigned applicant and/or contractor states that they have read and agrees to meet all the conditions on this application, including provisions of required liability insurance or a City Attorney approved equivalent, and acknowledges that this application will be made a part of the encroachment permit. APPLICANT’S INFORMATION (THIS SECTION MUST BE COMPLETED) Company Name: Mailing Address: Contact: Phone #: E-mail: I hereby warrant and represent to the City that I am authorized to execute this permit application on behalf of the permittee and bind the permittee to the agreements contained herein and any conditions of the permit. Authorized Signature: Date Applied: CONTRACTOR’S INFORMATION Company Name: Mailing Address: Contact: Phone #: 24-HR Emergency #: State Contractor’s License #: Class: City Business License #: David Bibayan Insituform Technologies, LLC 10260 Matern Pl., Santa Fe Springs, CA 90670 David Bibayan 949-939-2979 DBIBAYAN@AEGION.COM Insituform Technologies, LLC 10260 Matern Pl., Santa Fe Springs, CA, 90670 Gerardo Padilla 562-325-7800 562-325-7800 758411 A 9/07/2023 055742 Sewer Pipe Condition Assessment Using CCTV Section 01452 - 1 SECTION 01452 SEWER PIPE CONDITION ASSESSMENT USING CCTV PART 1 GENERAL 1.1 DESCRIPTION A. Requirements for preparation, labor, material, equipment, and appurtenances necessary to inspect via closed-circuit television (CCTV) existing sewers after sewer cleaning per Specification Section 02732. The work shall conform to National Association of Sewer Service Companies (NASSCO) Pipeline Assessment Certification Program (PACP) standards, including remote televising and recording of the sewer, identifying defects, and evaluating the sewer’s condition, provide CCTV reports and databases electronically 1.2 REFERENCED DOCUMENTS A. All work must also conform to the latest edition of the following specifications and requirements 1. NASSCO PACP Standards 2. CalTrans Manual on Uniform Traffic Control Devices (MUTCD) 3. Rules and Regulations of the applicable permits 4. Others, as required 1.3 SUBMITTALS A. The Contractor to provide the following required submittals for District’s review and approvals prior to commencing the CCTV work 1. Resumes of the project supervisor and crew foreman 2. Documentation of NASSCO PACP certification for all CCTV operators, database and software used 3. Work Schedule to outline the sequence in which the Contractor proposes to conduct his operations 4. Site specific safety plan 5. Permits and traffic control approvals from applicable local jurisdictions. 1.4 QUALIFICATIONS Sewer Pipe Condition Assessment Using CCTV Section 01452 - 2 A. The Contractor shall submit CCTV sewer inspection experience summary for: 1. Onsite field supervisor with a minimum of five years of experience specializing in the televising of sewers 2. Foreman for each crew performing television inspection with a minimum of three years of experience specializing in that type of work 3. The Contractor shall also provide three (3) similar projects with inspection equipment as proposed for this project B. NASSCO PACP certifications and requirements 1. Current certification for all CCTV operators working on this project 2. Databases, logs, CCTV Software (current version) 3. CCTV inspections (Video and Data Collected) will be provided to OWNER entirely in digital format 1.5 WORKING HOURS A. The Contractor must complete all work such that homeowners will still have continuous sewer service, unless otherwise directed by the Owner. Contractor shall coordinate with local jurisdictions on noise, roadway closures, and other permit requirements B. The Contractor shall work during daytimes, nights, or weekends to achieve the lowest depth flows in the sewer pipes and not conflict with public events C. No work will be allowed on weekends or holidays except at the discretion of the Owner. PART 2 - GENERAL PROVISIONS 2.1 MAINTENANCE OF TRAFFIC A. The Contractor shall be responsible for maintaining local traffic at all times and for notifying the proper authorities regarding the any lane or road closures. The Contractor will be responsible for obtaining all permits required for maintenance of traffic. B. The Contractor shall not begin work until standard barricades, warning signs, and markers conform to latest CalTrans MUTCD standard or as approved by the local jurisdictions C. The Contractor shall maintain local traffic at all times in a manner causing the least amount of inconvenience to the general public. Temporary driveways, temporary roadways, or run around as may be necessary to provide vehicular access to and from the abutting properties shall be constructed, maintained, and subsequently removed by the Contractor D. The portion of the pavement not affected by the work shall be kept clear of all material and equipment Sewer Pipe Condition Assessment Using CCTV Section 01452 - 3 E. If at any time traffic has to be blocked (emergencies only), the Contractor shall notify the nearest fire, police departments and service departments 2.2 USE OF PREMISES A. The Contractor shall not trespass upon or in any way disturb private property without first obtaining written permission from the property Owner B. The Contractor shall obtain staging area as necessary to complete the work 2.3 PROPERTY DAMAGE A. The Contractor shall immediately investigate any and all reports of sewage backing up into fixtures served by the sewer section that is being cleaned or televised B. The Contractor will be required to notify the Owner immediately of any damage to private or public property caused by his work activities. The Contractor shall make repairs and/or clean the property immediately in a timeframe that is acceptable to the Owner. PART 3 - EXECUTION 3.1 GENERAL A. Furnish and maintain all televising equipment necessary for proper execution of the work B. Maintain sufficient flow at all times to pass any flash storm flow and prevent any sewer backup due to obstruction caused by CCTV equipment C. Remove materials and equipment that has been lodged in the sewer during television inspection 3.2 TELEVISION INSPECTION AND COMPUTERIZED EQUIPMENT A. The Contractor shall use a color pan and tilt camera, or a side wall scanning (panoramic) camera specifically designed and constructed for sewer inspection. Each sewer to be televised shall be suitably isolated to control flow during the inspection. The Contractor shall provide a recording of the televised sewer inspection, and locate all sewer service connections B. Provide lighting for the pan and tilt camera or side wall scanning camera to obtain clear videos and pictures of the entire periphery of the existing sewer Sewer Pipe Condition Assessment Using CCTV Section 01452 - 4 C. If a blockage cannot be removed and hampers the televising of the sewer in one direction, the Contractor shall attempt to complete the section by televising from the other manhole to complete the section. The Contractor must immediately report the obstruction to the Owner D. If the image quality is not adequate for post-inspection coding, the Contractor shall be required to repeat the survey at the Contractor’s expense E. The Contractor shall provide a PACP certified operator on site at all times during the entire survey. If video is to be coded separately from the actual recording, both the onsite Operator and the individual performing the PACP coding shall be PACP certified 3.3 RESTORATION A. All roadway berms and drainage ditches disturbed by the work shall be restored to match original condition prior to the CCTV work B. The Contractor is responsible to restore all disturbed ground to their original condition as nearly as possible 3.4 CLEANUP The Contractor shall keep the work area in an uncluttered condition by the frequent removal of debris. The Contractor shall remove all debris and unused material and leave the area in a condition similar to the condition of the area before any work was performed END OF SECTION Bypass Pumping Section 02303 - 1 SECTION 02303 BYPASS PUMPING PART 1 - GENERAL 1.01 DESCRIPTION A. Section includes: Requirements for bypass pumping of influent gravity sewer flow, in support of General Kearny Sewer Relining work. 1.02 SUBMITTALS A. Connection and Bypass Pumping Plan (CBPP) 1. Prepare a comprehensive CBPP within 90 calendar days after the Notice to Proceed that details how each connection to existing wastewater systems will be accomplished. B. Bypass Pumping 1. The design, installation, and operation of any temporary pumping systems shall be the Contractor’s responsibility. The Contractor shall employ the services of a qualified vendor who can demonstrate to the District that they specialize in the design and operation of temporary bypass pumping systems. The vendor shall provide at least five references of projects of a similar size and complexity as this project performed within the last three years. The bypass pumping system shall meet the requirements of all codes and regulatory agencies having jurisdiction. The Contractor shall be responsible for all required permits. 2. Provide a detailed plan for showing how each bypass pumping system will be performed. Provide the following items at a minimum: a) Staging areas for pumps. b) Sewer plugging method and the type of plug. c) Number, size, material, location, and method of installation of the suction and discharge piping. d) Bypass pump sizes, capacity, number of each size to be on site. e) Number and size of portable power generators and the details of the noise suppression equipment. At least one standby generator for each size shall be provided in the event of an emergency. f) Number and size of fuel tanks Bypass Pumping Section 02303 - 2 g) Hydraulic calculations and a system head curve plotted on the pump curve. h) Downstream discharge plan. i) Method of protecting downstream manholes from damage if applicable. j) Plan showing the location of bypass pumping discharge piping. Show any paving drive over required and details. k) Schedule for installation and maintenance of bypass pumping system. Coordinate with the CBPP. l) Traffic and pedestrian controls when working in the public right-of- way. C. Confined Space Entry Plan (CSEP) – Develop a CSEP to comply with all laws and regulations. Submit for project records. This plan will not be reviewed and approved. It is the Contractor’s plan. Be informed that sewers may have methane gas, H2S gas, and low oxygen gas levels. Include appropriate portable gas safety monitors such as those manufactured by Mine Safety Appliances (http://www.msanet.com) for worker use in verifying the quality of air inside manholes. 1.03 SYSTEM DESCRIPTION A. Design Requirements 1. Contractor shall size bypass pumping systems to provide sufficient pump capacity for pumping peak flow. 2. Contractor shall size each pump to have a 1.2 safety factor in the bypass pumping system design. 3. Contractor to field verify and determine total dynamic head (TDH) for the pumping system: Location Sewage Flow (gpm) 8-inch influent gravity sewer line on North General Kearny Road 20 gpm avg. flow 60 gpm peak flow 4. Average and peak flows were based on night-time dry weather sewer flow measurements on Tuesday and Wednesday nights, between 10pm to 7am. Contractor shall only bypass sewer flow on the nights and during the times indicated above. 5. 100% standby pumping capacity is required. 6. Level control for on/off operation is required. Bypass Pumping Section 02303 - 3 7. Visual and audible alarms shall be installed at the site during bypass pumping operations. 8. Point of sewer bypass connection and piping route to downstream sewer line. B. The Contractor shall verify and determine TDH requirement, and confirm the flow rates with the Owner prior to bypass pump design. PART 2 - PRODUCTS 2.01 EQUIPMENT A. Pumps 1. All pumps shall be fully automatic self-priming units that do not require the use of foot valves or vacuum pumps for priming. The pumps may be electric, or diesel powered that comply with noise requirements. All pumps shall be constructed to allow dry running for long periods of time to accommodate the cyclical nature of sewage flows. Provide floats and stop start controls for each system. 2. Provide not less than one standby pump of each size. The stand-by pumps shall be on-line but isolated from the discharge pipeline by valves. B. Discharge Piping: Provide discharge piping that is assembled with rigid piping, HDPE, PVC or aluminum piping. Discharge hose will be allowed on a case-by- case basis. Restrained joints shall be used at fittings to prevent pipe movement. PART 3 - EXECUTION 3.01 INSTALLATION A. All bypass pumping systems shall be tested for a minimum duration of 2 hours and approved prior to the start of the sewer lining work. B. Perform leakage testing using potable water of the system prior to actual operation. Bypass Pumping Section 02303 - 4 C. Contractor shall block and divert all sewage flows through the temporary bypass system. Contractor shall remove the blockage device(s) when the construction work is accomplished, and restore the affected sewer line and service laterals back in proper operation. D. Exercise caution when working inside a manhole, sump, or pipeline. Implement the CSEP on all entries. E. Restore the area to the condition prior to installation of the bypass pumping piping and equipment. F. Report any spills to the Engineer immediately. Contractor is responsible to pay any fines levied by any agency associated with a spill from the bypass pumping. G. Contractor shall be present at the project site at all times to operate, trouble- shoot, and maintain temporary bypass pumping system, including any bypass pumping performed after normal work hours, weekends, and holidays. END OF SECTION Cured-In-Place Rehabilitation (Gravity) Section 02702 - 1 SECTION 02702 CURED-IN-PLACE PIPE REHABILITATION (GRAVITY) PART 1 GENERAL 1.01 DESCRIPTION A. Section includes: Requirements for preparation, materials, storage and handling, installation, testing, and incidentals required for the resin-impregnated flexible tube cured-in-place pipe (CIPP) liner rehabilitation of existing gravity sewers. 1.02 REFERENCES A. American Association of State Highway and Transportation Officials (AASHTO): 1. HS20 - Vehicle Loading Standards. B. ASTM International (ASTM): 1. D 543 - Standard Practices for Evaluating the Resistance of Plastics to Chemical Reagents 2. D 578 - Standard Specification for Glass Fiber Strands 3. D 638 - Standard Test Method for Tensile Properties of Plastics 4. D 790 - Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials 5. D 2990 - Standard Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of Plastics 6. D 3567 - Standard Practice for Determining Dimensions of “Fiberglass” (Glass-Fiber- Reinforced Thermosetting Resin) Pipe and Fittings 7. D 5813 - Standard Specification for Cured-In-Place Thermosetting Resin Sewer Piping Systems 8. F 1216 – Standard Practice for Rehabilitation of Existing Pipelines and Conduits by Inversion and Curing of a Resin Impregnated Tube 9. F 1743 – Standard Practice for Rehabilitation of Existing Pipelines and Conduits by Pulled-in-Place Installation of Cured-in-Place Thermosetting Resin Pipe (CIPP) 10. F 2019 - Standard Practice for Rehabilitation of Existing Pipelines and Conduits by the Pulled in Place Installation of Glass Reinforced Plastic Cured-in-Place (GRP-CIPP) Using the UV-Light Curing Method 1.03 DEFINITIONS Cured-In-Place Rehabilitation (Gravity) Section 02702 - 2 A. CIPP: Cured-in-place pipe liner for rehabilitation of existing sewers manhole to manhole. B. CIPPSL: Cured-in-place pipe sectional liner for spot (point) repairs of existing sewers. 1.04 SUBMITTALS A. Submittals to be provided as specified in Section 00064 General Conditions and below. B. Certification showing the Contractor is currently licensed by the appropriate licensor to perform CIPP and/or CIPPSL installation. C. Work plan to detail product delivery, installation schedule, cleaning operations, CCTV inspections, field sample collection and labeling, bypass pumping, traffic control, and service reconnections. D. A safety plan showing contractor’s qualification and competency to perform the work, including but not limited to confined space entry, OSHA standards, Safety Data Sheets (SDS), and emergency plan. E. An odor control plan that will ensure project specific odors will be minimized at the project site and surrounding area. F. Product data to include the following: 1. Resin and liner tube material suitable for the project. 2. Technical data sheets showing the physical and chemical properties of the resins (short and long term). 3. Technical data sheets showing the chemical-resistance testing of the resins meeting the requirements of ASTM F1216. 4. CIPP end and connection sealing materials and methods to be used to reinstate connecting sewers. 5. Cementitious patching compound for manhole benches including manufacturer’s installation guidelines. 6. Manufacturer recommendations for material storage and temperature control, heating requirements, handling, insertion, installation, curing, trimming, and finishing, and QA/QC procedures. 7. Certification stating CIPP tube has been manufactured in accordance with ASTM F 1216 and resin is suitable for its intended use. i) Not applicable for CIPPSL. G. Calculations of required minimum thickness for the CIPP in each pipe reach based on the internal inspection data and the CIPP manufacturer’s specifications based on field verification of sizes and prior to ordering any material H. Detailed installation procedures to include: 1. Method for addressing CIPP sampling requirements including location and size of each sample, method of removal. 2. Method for liner repair and procedure for CIPP and CIPPSL: Cured-In-Place Rehabilitation (Gravity) Section 02702 - 3 i) Lining production schedule and location ii) Quality control procedures iii) Liner curing procedures including heat-up and cool-down rates iv) Curing temperature and duration v) Internal pressures for inversion vi) Light train travel speed (if used) vii) Liner replacement or patching procedures I. After installation of the liner, the Contractor shall submit the following: 1. Cure Report/Log showing temperatures, pressures, and times during the curing process to document that a proper cure has been achieved. 2. Post-installation CCTV survey. 3. Post-installation CIPP samples for testing. 4. CIPP and/or CIPPSL liner test reports from designated testing laboratory. 5. Warranties. 1.05 PRODUCT STORAGE AND HANDLING REQUIREMENTS A. All material shall be shipped, stored, and handled in conformance with manufacturer’s requirements and recommendations. Any liner damaged in shipment shall be replaced at no cost to the Owner. B. Any liner showing a split, tear, or other damage, shall be marked as rejected and immediately removed from the site. C. The liner shall be maintained at a proper temperature to prevent premature curing prior to installation. The liner shall be protected from UV light prior to installation. Any liner showing evidence of premature curing shall be rejected for use and shall be immediately removed from the site. D. Field samples taken by the Contractor after installation shall be stored and shipped in an appropriate environment to testing laboratory designed by Owner. 1.06 WARRANTY A. The materials used for this Project shall be certified by the manufacturer for the specified purpose. The Contractor shall warrant the liner material and its installation for one (1) year from the date of acceptance. During the warranty period, any defects which affect the integrity, strength, function, and/or operation of the pipe shall be repaired at the Contractor's expense in a manner mutually agreed upon by the Owner, Engineer, and the Contractor. All repairs shall also be warranted by the Contractor for one (1) year from the date of repair acceptance. The Owner or Engineer may conduct an independent television inspection, at the Owner’s expense, of the lining work prior to the completion of the one-year guarantee period. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 4 1.07 QUALIFICATIONS A. Installer: 1. Submit certification showing the Installer is currently licensed by the appropriate licensor to perform CIPP installation. i) Certification shall be provided to the Engineer before any materials are delivered to the job site. 2. Must have experience in CIPP lining sewers of a similar diameter and length as the proposed project, and provide experiences submittal as shown below: Description of Qualifications YES NO Minimum experience of 100,000 linear feet of CIPP successfully installed in accordance with the Contract Documents Minimum of 5 years of experience in at least 3 projects of similar diameter (8-inch to 42-inch), and totaling at least 25,000 feet in length Minimum of 1 project of at least 7,500 feet in length where the CIPP liner product was installed with ambient temperatures at or exceeding 100 degrees F 3. Provide following information regarding the CIPP installer's project experience installing CIPP for a minimum of three recent projects within the past five years, and include information as shown below: PROJECT NAME: DATE COMPLETED: DATE COMPLETED: OWNER NAME: OWNER ADDRESS: CONTACT PERSON: CONTACT PHONE NO (Office and cell number): SIZE OF LINER INSTALLED: LENGTH OF LINER INSTALLED (feet): B. Superintendent: 1. Provide evidence of CIPP superintendent experience, and at least one qualified superintendent must be present at jobsite during CIPP construction activities. 2. Must have experience in CIPP lining sewers of a similar diameter and length as the proposed project, and provide experiences submittal as shown below: Description of Qualifications YES NO Minimum experience of 30,000 linear feet of CIPP successfully installed in accordance with the Contract Documents Minimum of 5 years supervisory field experience on at least 3 successfully completed projects containing at least a total of 10,000 linear feet of similar diameter (8-inch to 42-inch) rehabilitation projects Cured-In-Place Rehabilitation (Gravity) Section 02702 - 5 Minimum of 3 years flow diversion supervisory field experience C. Resin Impregnation (Wet Out) Crew Lead Requirements: 1. Must have experience in CIPP lining sewers of a similar diameter and length as the proposed project, and provide experiences submittal as shown below: Description of Qualifications YES NO Minimum experience of 2 years of successfully performing CIPP resin impregnation in accordance with the Contract Documents PART 2 PRODUCT 2.01 MANUFACTURERS A. CIPP: One of the following or equal: 1. Inliner Technologies. 2. Insituform Technologies, Inc. 3. National Liner. 4. Premier-Pipe. 5. Spiniello Companies. 6. SAK, LLC. 7. COSMIC CIPPSL. B. CIPP end and connection sealing: One of the following or equal: 1. Neopoxy. 1. COSMIC, A/B Epoxy Paste (UV Cure sectional liners). C. Lateral connection sealing system: The following or equal: 1. Top Hat. 2.02 DESCRIPTION A. Work consists of the installation of CIPP in existing sewers or CIPPSL for spot repairs, CIPP end and connection sealing, including labor, materials, and equipment necessary to complete the Work. B. CIPPSL: 1. Taper flat at the ends and produce the thinnest wall possible to mitigate flow constriction. 2. Capable of supporting overlapping liners for future sewer rehabilitation. C. CIPP installation will take place and completed prior to manhole coating work. D. Service laterals connection sealing is not intended to be a lateral liner. I I I Cured-In-Place Rehabilitation (Gravity) Section 02702 - 6 E. Incidental work to remove and replace manhole cones, risers, frame and cover, and concrete collars necessary for the installation of the CIPP will be considered as part of the CIPP work. 2.03 DESIGN CRITERIA A. Liner or sectional liner: Design in accordance with the procedures of ASTM F 1216 and/or F 1743. 1. Material properties used in design calculations shall be long-term values. 2. Alternative procedures for CIPPSL design are acceptable if they address values or properties not accounted for in ASTMF 1216 or F 1743 and render a structural solution as further required and stated in this Section. B. Assume the following parameters for the liner design: 1. Modulus of soil reaction, E’ = 700 pounds per square inch. Unit weight of soil: 120 pounds per cubic foot. 2. Live load using an AASHTO HS20 vehicle loading. 3. The CIPP shall be designed for fully deteriorated conditions. 4. Safety factor of 2.0. 5. Ovality factor of 2.5 percent. 6. Base CIPPSL design on physical property strengths represented within the sample test report. C. Recognize any non-uniform cross section and the liner bifurcation present at the spring line of the concrete pipe. 1. Accounting for this condition by the use of an ovality reduction factor alone is unacceptable. D. Contractor shall be responsible for control of material and process variables to provide a finished CIPP possessing the minimum properties in accordance with ASTM F 1216 and required in this Section. 2.04 COMPONENT PROPERTIES A. CIPP fabric tubing: 1. Free from tears, holes, cuts, foreign materials, and other surface defects. 2. Designed for use in gravity sanitary sewers. 3. Designed in conformance with applicable sections of ASTM F 1216, ASTM F 2019, or a seamless version of ASTM F 2019. 4. Fabricated to a size that, when installed, will tightly fit the internal circumference and length of the original sewer pipe. i) Make allowance for circumferential stretching during the installation and shrinkage of resin during curing and aging. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 7 B. CIPPSL laminate: 1. Free from tears, holes, cuts, foreign materials, and other surface defects. 2. Fabricated from an ECR fiberglass laminate designed for use in gravity sewers. 3. Fabricated or neatly cut to fit the internal circumference of the sewer. When cutting the material to fit, i) Laminate overlap minimum: 2 inches. ii) Cure monolithically in accordance with manufacturer’s recommendations. C. Resins: 1. Compatible with the CIPP system used. 2. Designed for use in gravity sewers. 3. Tinted for adequate visibility suitable for internal inspection and provide positive indication of adequate liner wet-out. 4. General purpose, unsaturated polyester, and catalyst system that provides the cured physical strengths and properties specified in this Section. 5. CIPPSL: i) Either polyester resin, vinyl ester resin, or epoxy resin. ii) Watertight seal: Either adhesive epoxy compound or mechanical seal. 2.05 CURED CIPP PROPERTIES A. Physical properties of the cured CIPP or CIPPSL: 1. Minimum initial test values as defined in Table 1 of ASTM F 1216 or ASTM F 1743 and supplemented below for polyester resin. i) Properties for the polyester or any other enhanced resins shall be substantiated with third party test data. 2. Flexural strength: 4,500 pounds per square inch in accordance with ASTM D 790 or 6,500 pounds per square inch for sectional liner. 3. Flexural modulus: 300,000 pounds per square inch in accordance with ASTM D 790 or 725,000 pounds per square inch for sectional liner. 4. 50-year flexural creep modulus: 150,000 pounds per square inch in accordance with ASTM D 2990. i) If approved 10,000-hour tests are not available, use a minimum 50 percent reduction (50 percent retention) of Flexural Modulus of Elasticity in accordance with ASTM F 1216 for formula calculations. 5. Tensile strength: 9,000 pounds per square inch in accordance with ASTM D 638 for sectional liner. 2.06 DIMENSIONS OF CIPP Cured-In-Place Rehabilitation (Gravity) Section 02702 - 8 A. Provide allowances on tube length and circumference, for stretch during installation and shrinkage during curing and aging. 1. Minimum length: Line to continuously spans the distance from the center of the inlet manhole to the center of the outlet manhole. i) CIPPSL: 2 to 4 feet for a based on the specifics of the repair and pipe diameter. 2. Verify the lengths in the field before the liner tube is cut and impregnated, except CIPPSL. 3. Individual installation runs may include one or more manhole-to-manhole sections except CIPPSL as authorized by the Engineer. B. Existing sewer lines may be larger than their nominal size due to corrosion of the pipe. 1. It is the Contractor’s responsibility to measure the actual inside diameter at different locations of the sewer to determine the appropriate size of CIPP liner. 2.07 WALL THICKNESS A. Wall thickness of the felt tube: 1. Size to the next standard 1.5 mm incremental thickness above the minimum calculated design thickness. 2. Size the gap thickness of the wetting out equipment to allow an excess of 5 to 10 percent resin to pass during impregnation unless otherwise specified to provide for excess resin migration. B. Nominal CIPP thickness minimum: The calculated design thickness, in accordance with ASTM F 1216, except where fabric layers overlap, in which case it may be in excess of this value. C. Nominal wall thickness at locations of voids in the existing pipe to be lined: Increased to provide the minimum design thickness taking into consideration stretch and expansion of the liner into the void area. 1. Determine void locations accurately during video inspection. 2.08 CHEMICAL RESISTANCE A. Cured pipe shall be resistant to a variety of chemical effluents in accordance with ASTM D 543. 1. Perform tests on finished and cured CIPP liner properties as specified. 2. Previous test data will not be acceptable. B. Provide chemical resistance test results in accordance with ASTM D 543 on samples of the cured liner material that are the same as that proposed for installation. 1. Tests may be performed on the sample product, certifying the sample is the same as the product that will be used on this project. 2. Exposure minimum: 1 month at 73.4 degrees Fahrenheit. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 9 3. During this period, the CIPP test specimens should lose no more than 20 percent of their initial flexural strength and flexural modulus when tested in accordance with Section 8 of ASTM F 1216, when subjected to the following solutions: Chemical Solution Concentration, percent Tap Water (pH 6-9)100 Nitric Acid 5 Phosphoric Acid 10 Sulfuric Acid 10 Gasoline 100 Vegetable Oil 100 Detergent 0.1 Soap 0.1 C. Contractor shall be responsible for costs associated with the chemical resistance tests. 2.09 END AND CONNECTION SEAL A. End and connection seals shall be epoxy sealant compatible with CIPP liner B. CIPP end and connection sealing materials and methods to be used to reinstate connecting sewers. C. CIPPSL end seal shall be adhesive epoxy compound or mechanical seal to provide a watertight seal. D. Submit method, procedure, or information to provide either an adhesive, watertight seal to the sewer or a watertight mechanical seal between the cured sectional liner and sewer pipe wall which will not prohibit the installation of future, structural liners, sewer cleaning equipment, and CCTV equipment. PART 3 EXECUTION 3.01 GENERAL REQUIREMENTS A. Verify measurements and dimensions prior to manufacturing the liner. B. Examine pipe and fittings for cracks and other physical defects immediately before installation. Examine pipe ends with particular care. C. Label outside of each CIPP liner tube by the liner manufacturer with the location of the liner manufacturer, the name of the project, the liner thickness, the liner diameter, the liner length, and the location where it is to be installed. 3.02 PUBLIC INTERACTION Cured-In-Place Rehabilitation (Gravity) Section 02702 - 10 A. The Contractor notify all residents, businesses, and the general public affected the project with door hanger at least one week prior to CIPP installation and then again door-to-door the day prior to CIPP installation. The door-hanger shall include the following: 1. Basic project information and expected duration 2. Bypass pumping 3. Potential odors 4. Contact information (name and phone number) of the Contractor. 3.03 HOST PIPE AND SITE PREPARATION A. Bypass flow during the rehabilitation process as specified in Section 02303 Bypass Pumping. B. Prior to diversion of flows, Contractor shall setup and ready to operate odor control measures. C. Host pipe cleaning: 1. Field verify pipeline section lengths to be cleaned and lined. 2. Evaluate confined space condition to determine the presence of toxic or flammable vapors or lack of oxygen in accordance with local, state, and federal safety regulations. 3. Perform cleaning as specified in Section 02732 - Sewer Pipe and Structure Cleaning. 4. Carefully inspected sewer interior as specified in Section 01452 Sewer Condition Assessment Using CCTV, to determine the location of conditions that may prevent proper installation of CIPP. 5. The pre-lining CCTV inspection prior to CIPP lining shall demonstrate that the pipe is clean and free of roots, grease, sand, rocks, sludge, infiltrations, pockets of water, or structural impediments that would affect long-term liner durability. If UV curing is used, a precuring video inspection of the inflated liner must be recorded and accepted in the presence of the Owner and/or Engineer. 6. Verify host pipe material and dimensions. D. Host pipe repair: 1. Prior to insertion of the liner, take any remediation actions necessary to prepare the host pipe for insertion of the liner. i) This will include removal of obstructions, intrusions, or smoothing of surfaces in order to ensure a proper fit and full expansion of the liner to the host pipe. 2. Host pipe preparation recommendations shall be made by the Contractor after reviewing the CCTV. E. Structural defect repair: Cured-In-Place Rehabilitation (Gravity) Section 02702 - 11 1. Grind down, grout, or otherwise repair sections of the existing host pipe which have shifted, dropped, or severely deteriorated (greater than 2-inch loss of diameter) to provide a smooth continuous surface which will not reduce the cross-sectional area of the interior of the relined pipe or reduce wall thickness to less than the minimum specified thickness. 2. Recommendations for the structural defect repair method shall be made by the Contractor after reviewing the CCTV. F. Active leakages and infiltration shall be stopped at least one hour prior to installation of the liner using chemical seal grout. G. Trimming intruding laterals 1. Trim intruding lateral so that the service connection is flush with the internal pipe wall. i) Document lateral cutting by internal inspection methods. ii) Verify that existing pipe is not damaged during cutting operations. 3.04 CIPP TUBE INSTALLATION A. Designate the location where the CIPP tube will be impregnated with resin (“wet out”). B. Lower resin-impregnated tube through an inversion tube and reducer, if needed. 1. Install CIPP liner through existing manholes. 2. No separate payment will be made for additional or enhanced access to facilitate the Contractor’s CIPP liner installation process. C. Monitor the exotherm temperature: 1. By remote temperature sensors placed at the interface of the existing pipe and the CIPP for pipe meeting the following conditions: i) CIPP liner thicknesses greater than 0.75 inch. ii) Where the existing pipe, soil, and groundwater combination is likely to provide a significant heat sink, affecting the temperature gradient across the CIPP liner material. 2. Install a minimum of 2 temperature sensors. i) Install 1 sensor at either end of the length being lined. 3. Do not terminate curing process until the temperature sensor readings indicate that a satisfactory cure has been completed. 4. Manage any extended cure times to not adversely affect the properties of the CIPP lining material. 5. Evacuate water from the pipe at a controlled rate to prevent negative pressure in the pipe and negative impacts to downstream facilities. D. Curing process: 1. Follow a step cure using water as recommended by the manufacturer and approved by the ENGINEER. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 12 i) Hold at the top step for an adequate length of time to ensure that the design physical properties are attained. 2. Cool circulation water to at least 100 degrees Fahrenheit for 1 hour before releasing the hydrostatic head. 3. Maximum rate of temperature rises and fall during heating and cooling: 2 degrees Fahrenheit per minute. 4. Filter circulation water through a carbon filter treatment system prior to release into the sanitary sewer system. i) Engineer approval of system required. 5. Provide sampling plan that demonstrates pollutants are not being discharged into the sanitary sewer system. E. Reinstatement of service laterals: 1. Accurately locate and reinstate service connections after the CIPP installation and curing has been completed. i) Where the CIPP liner does not create dimples at the service connections or in other ways indicate the locations, determine exact location from the internal inspection data. 2. Reinstate service connections to a minimum of 95 percent of the original opening, matching the invert of the lateral. F. Seal the end points of the liner so that no leakage of fluids may infiltrate between the liner and the existing pipe. G. Apply either epoxy sealant or lateral connection sealing system, after CIPP acceptance, to completely seal area around opening of the liner and the connection. 1. Installation of the connection seal shall not damage or adversely affect the installed CIPP liner. 2. Repair or replace damaged CIPP liner at no additional cost to the Owner. 3. Trim and remove hanging/intruding pipe connection seals to be flush with the internal pipe wall. H. Inspect CIPP after installation as specified in this Section. 3.05 CIPPSL INSTALLATION A. Resin: 1. Shall be in a state to resist wash off during transport/installation. 2. Capable of being installed during wet and/or live flow conditions. B. Resin-impregnated tube: 1. Factory-impregnated with resin (wet-out) by the material manufacturer. 2. Folded or wrapped in accordance with manufacturer’s instructions. 3. Loaded on a pressure apparatus for transport and installation. 4. Packed suitable for transport to the field for installation. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 13 C. Curing: 1. Cure liner in place in accordance with the manufacturer’s suggested resin technology, using either a polyester resin, vinyl ester resin, or epoxy-resin with a watertight seal comprised of either an adhesive epoxy compound or rubberized seal. i) Curing method shall be compatible with resin selected. ii) Initial cure shall be deemed complete when the liner has been exposed to UV light, heat source, or held in place for the manufacturer's specified time period. 2. Cool, if heat cured, the hardened liner before relieving the pressure in the pressure apparatus. i) Care shall be taken to maintain proper pressure throughout the cure and cool- down period. D. Finished liner shall be free of dry spots, lifts, and delamination. E. The repair shall not inhibit the CCTV post video inspection of the sewer. F. Remove any frayed ends of the liner prior to acceptance. G. Maintain a visible, written log of activities in accordance with manufacturer’s recommendations including time of insertion, pressure, and temperatures, required cure time, actual cure time, and cool-down duration. 3.06 CIPP LINER SAMPLING AND TESTING A. Confirm fit and finish meets the visual classification standards of ASTM D5813. B. Secure samples and arrange for testing to confirm the CIPP flexural strength, tensile strength, flexural modulus, and thickness in accordance with the requirements of ASTM D5813, ASTM D638, ASTM D790, and ASTM D3567 for each liner installed. C. Contractor shall prepare a sample of the installed CIPP liner for subsequent third-party testing of its physical properties. 1. Obtain sample for each separate installation of CIPP 2. Determine minimum wall thickness at a minimum of three locations on a cut section of the CIPP lining. 3. Identify samples with Date, Project Name, Size, Thickness, Location, Resin, and Catalyst. 4. Double bag and seal sample. D. Test cured sample by an independent testing laboratory as recommended by the CIPP liner manufacturer and approved by the Engineer. 1. Short-term flexural (bending) properties in accordance with ASTM D790. 2. Tensile properties in accordance with ASTM D638. 3. Long-term properties in accordance with ASTM D2990. 4. Contractor shall be responsible for any deviation from the specified physical properties and those evaluated through testing. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 14 i) Failure to meet the specified physical properties shall result in the CIPP liner being considered defective work and shall be rejected. 3.07 ACCEPTANCE A. The finished liner shall be continuous over the entire length of the installation. The liner shall be free from defects beyond what is reasonable and acceptable by industry standards such as NASSCO ITCP and ASTM F1216. 1. There shall be no evidence of splits, cracks, breaks, lifts, soft or dry spots, kinks, or delamination in the liner. If any defective liner is discovered after it has been installed, it shall be removed and replaced, or repaired with a spot liner or full- length liner at no additional cost to the Owner. 2. The liner shall fully extent into the connecting manholes. If the liner stops short and leaves any portion of the pipe or manhole penetration exposed, it shall be repaired with a spot liner at no additional cost to the Owner. 3. If excessive groundwater is observed tracking between host pipe and CIPP liner into the manholes, Contractor shall perform chemical grouting, apply non-shrink grout, install mechanical end sleeve until tracking water has seized at no cost to the Owner. B. Post-Lining Inspection video. Following installation of the liner, the Contractor shall conduct one final CCTV inspections of the completed work in accordance with Section 01452. C. Defective lining shall be evaluated and repaired at no additional cost to the Owner. If liner removal is necessary and the host pipe is damaged during the removal process, Contractor shall perform a point repair at Contractor’s expense. D. Final acceptance of the liner shall be based on the field acceptance of the liner by the Owner/Engineer and on the certified laboratory’s liner sample test results. 3.08 FIELD QUALITY CONTROL A. The Contractor shall prepare and mark test samples, to include: 1. Project Name 2. Manhole asset ID which sample was taken from 3. Date of lining 4. Orientation to the top of the pipe B. The Contractor is responsible for collecting and shipping test samples to the Owner/Engineer’s designated testing laboratory. C. Laboratory test reports shall include a copy of the chain-of-custody form with all signatures to ensure that reported test results are for the correct sample. Cured-In-Place Rehabilitation (Gravity) Section 02702 - 15 3.09 WET-OUT AND CURE REPORT A. The Contractor shall submit wet-out and cure reports documenting the specific details of each CIPP and/or CIPPSL liner installation. At a minimum, the report shall include: 1. Contractor name 2. Owner’s Contract number 3. Line identification and location 4. Date of wet-out 5. Identification of sample(s) and name of technician(s) 6. Date of installation in sewer 7. Inside diameter of host sewer pipe 8. Liner thickness 9. Liner length 10. Liner and resin batch number 11. Resin type 12. Wet-out length 13. Roller spacing 14. Vacuum setting 15. Quantity of resin and catalyst utilized 16. Name of wet-out technician(s) 17. Time wet-out started and completed 18. Applicable remarks 19. Pressure and temperature versus time log and light train speed during cure period 20. Cool down report 3.10 SITE CLEAN-UP AND RESTORATION A. Clean project area and dispose of excess material and debris properly. B. Clean, repair, and restore surfaces damaged by Contractor's activities to match original condition. END OF SECTION Sewer Pipe and Structure Cleaning Section 02732 - 1 SECTION 02732 SEWER PIPE AND STRUCTURE CLEANING PART 1 GENERAL 1.01 SUMMARY A. Requirements for cleaning of the sewers and sewer structures prior to CCTV inspection and rehabilitation 1.02 SUBMITTALS A. The following submittal shall be provided: 1. A work plan identifying the methods the Contractor plans to employ to remove sediment, debris, grease, scale, encrustations, and roots throughout the sewer to be lined and in the sewer structures to be repaired or coated. The work plan shall include a detailed explanation of the cleaning process and a schedule of activities, successful cleaning methods and equipment used in the past, and a list of the mitigation to minimize impacts to the public during the cleaning operation 2. Temporary water or recycled water meter and its location for taking potable water or recycled water from hydrants near the work site 3. Bypass sewer flow as necessary and as specified in Section 02303 Bypass Pumping B. Encroachment Permit and traffic control requirements 1. Contractor shall apply, pay permitting fees, and obtain encroachment permit from local jurisdictions 2. Contractor shall conform to all permit requirements, and implement Best Management Practices (BMP) to control and reduce discharges of pollutants associated with this work into storm drains and receiving waters for the duration of the project C. Copies of all sewer debris disposal receipts shall be provided to the Owner PART 2 PRODUCTS 2.01 CHEMICAL ADDITIVES A. No chemicals shall be used without written approval of Engineer. In no case shall any chemical additive be used which might be considered hazardous, or might be Sewer Pipe and Structure Cleaning Section 02732 - 2 considered detrimental to organisms or equipment of a wastewater treatment plant, or detrimental to old or new pipe materials. B. Contractor shall submit Safety Data Sheets (SDS) to Owner/Engineer’s review and approval for all chemicals and additives used during the cleaning. PART 3 EXECUTION 3.01 GENERAL A. Contractor shall at all times conduct work to prevent any blockage and minimize surcharging in the sewer manholes and connecting sewer pipelines. Damage to existing facilities as a result of Contractor's work shall be promptly repaired at Contractor's expense 3.02 ACCESS TO MUNICIPAL WATER SUPPLIES A. Obtain temporary water meter and identify its location for taking potable water or recycled water from hydrants near the work site. Contractor shall apply, pay, and arrange for the water meter installation, and pay for all water used during this work 3.03 CLEANING A. Contractor shall remove all sediment, rocks, debris, roots, grease accumulations, and obstructions from the sewer to be lined and from the sewer structures to be coated. B. All surface contaminants including oil, grease, incompatible existing linings or coatings, waxes, form release, curing compounds, efflorescence, sealers, salts, or other contaminants shall be removed 1. Detergent water cleaning and hot water blasting may be necessary to remove oils, grease, or other hydrocarbon residues from the concrete 2. A mild chlorine solution shall be used to neutralize the surface to a pH of 7 in order to diminish microbiological bacteria growth prior to final rinse and lining or coating system C. Contractor shall clean all exposed rebar to remove all areas of corrosion down to solid steel D. Contractor shall also be responsible for any additional surface preparation including shotblasting; grinding, scarifying, or acid etching as necessary to clean structures to ensure proper installation of coating or lining system and any other repair work as specified in the Contract Documents E. The entire structure interior including frame, walls, and bench shall be cleaned prior to rehabilitation using either abrasive blasting and/or high-pressure water blast as Sewer Pipe and Structure Cleaning Section 02732 - 3 recommended by the lining or coating manufacturer, and approved by Owner/Engineer, prior to installation of the liner or coating 1. Where mechanical cleaning is accomplished by blast cleaning, the abrasive used shall be washed, graded, and free of contaminants 2. Air used for blast cleaning shall be sufficiently free of oil and moisture to not cause detrimental contamination of the surfaces to be lined 3. All concrete, brick, or mortar that is not sound or has been damaged by chemical exposure shall be removed to a sound, neutralized substrate F. Contractor shall take appropriate measures to prevent any sediment or debris from cleaning operations larger than U.S. #8 sieve to be deposited downstream in the sewer main 1. Sedimentation deposited downstream shall be removed at no cost to Owner 2. Contractor shall be thoroughly familiar with all phases of sewer and structure cleaning for the completion of this Contract without causing a health hazard or damage to the sewage system, public and private properties G. No more than 24 hours may elapse between the completion of sewer and structures cleaning operations and the commencement of coating and/or liner installation 3.04 DISPOSAL OF SEDIMENTS A. Contractor shall be responsible for transporting and disposing, including all disposal fees, of any sediments and material removed from the sewer or structures B. All sediment and debris removed from the sewer shall be disposed off-site in a lawful manner at a non-hazardous waste facility 1. Hauling containers shall be watertight 2. On-site stockpiling of removed material will not be permitted C. Contractor is responsible for obtaining all necessary permits, fees, and approval from all regulatory agencies required to perform the Work, including transport of sediments and testing. Off-site disposal of all material removed from the sewer shall be the Contractor's responsibility END OF SECTION ATTACHEMENT A LOCATION MAP AND FLOW MONITORING RESULTS NICOLAS RD N. GENERAL KEAR N Y R D SIERRA MADRE DR Furnish and install CIPP relining ±220LF of 8" Ductile Iron Pipe MH04543 Rectangular Manhole - hatch opening 24"x48" MH04542 Rectangular Manhole - hatch opening 24"x48" and flow monitoring location Tributary area of approximately 630 homes that discharges into General Kearny's Sewer 8" Ductile Iron Sewer Pipe location ATTACHEMENT C AS-BUILT DRAWING SD-9284 N General Kearny (25 MPH) 100'100'100' 100'100'100'100' 100' Permit # LD23-5982 Work Hours: 7 AM to 5 PM WORK HOURS MONDAY - FRIDAY 8:30 AM - 3:30 PM