2023 Sewer Trunk Main Cleaning

This Construction Contract ("Contract") is made and entered into by and between the City of Del Mar, a municipal corporation, hereinafter referred to as the "City," and [Name of Contractor] hereinafter referred to as the "Contractor" (collectively "Parties"). RECITALS WHEREAS, the City requires a general contractor to construct a Public Works project generally described as the 2023 Sewer Trunk Main Cleaning hereinafter referred to as the "Project." WHEREAS, the Contractor represents itself as possessing the necessary skills and qualifications to construct the Project required by the City and possesses the required contractor's license of the appropriate classifications. NOW THEREFORE, in consideration of these recitals and the mutual covenants contained herein, and in consideration of the payments and agreements hereinafter mentioned, the Parties agree as follows: Contractor agrees to complete the Work on 2023 Sewer Trunk Main Cleaning Project in a time period not to exceed twenty-one (21) calendar days per Section 6-3 of the Standard Specifications for Public Works Construction (GREENBOOK), commencing upon the date stated in the Notice To Proceed issued by the City. All questions relative to this project prior to the opening of bids shall be directed to Mr. Tom Romaine, Public Works Operations Manager, at tromaine@delmar.ca.us, and email copied to mcairns@delmar.ca.us for the project listed. Questions shall be in writing (email) and must be delivered by 2:00 PM on February 13, 2023 (Monday). The Scope of Services is comprised of the following: 1. Traffic Control. 2. Cleaning of approximately 5,430 linear feet of sewer mains located in the City of Del Mar as represented in Exhibit C to the Agreement: - Approximately 421 linear feet of 12-inch trunk main line; - Approximately 2,654 linear feet of 15-inch trunk main line; - Approximately 1,728 linear feet of 18-inch trunk main line; - Approximately 627 linear feet of 21-inch trunk main line. Cleaning is the removal of all deposited debris within the sewer mains. This includes sand, human waste products, and other materials that can be found in a City's sewer system. System map is included showing segments. Contractor can visit area and view the types of businesses, facilities and residential properties contributing to the waste products. There may be some root intrusions into the sewer mains; these shall be removed in the cleaning process. 3. If contractor is required to enter sewer system (as example: to retrieve an object), Contractor shall provide competent person and all safety equipment required by CAL/OSHA (http://www.dir.ca.gov/dosh/) and other state agencies. The Del Mar Fire Department shall also be notified prior to entering confined space. 4. The contractor is encouraged to visit and inspect site and base price for sewer main cleaning. The City requires the work to be done in a professional manner. After the Notice to Award, contractor to prepare and submit documents, such as Traffic Control plan, Materials and Equipment list, Contractor and/or subcontractor, Contact persons with 24 hour/7day contact information, Contingency Emergency Plan, location of dump site for removed, contaminated materials, copies of all licenses and permits, Vehicle and General Liability Insurance forms, Weekly Certified Payroll. 5. The general outline of the principal features of the work does not in any way limit the responsibility of the contractor to perform all work and furnish all equipment, labor and materials necessary to successfully perform the work. The Contractor, or Subcontractor shall not change any material, design values or procedural matters stated or approved herein, without informing the Project Manager and receiving written approval of the change. Such unapproved changes shall be considered unauthorized work and shall result in rejection and removal of work done with the unapproved materials or processes at no cost to City. 6. Completion and Acceptance: All work on project shall be completed within 21 calendar days following issuance of Notice to Proceed, weather permitting, or as authorized by the Public Works Department of the City of Del Mar. 7. City business license (and fees paid) obtained by contractor at Contractor's expense. 8. The work schedule as noted hereunder shall be performed according to the listed order 1 through 12, and 16 through 23, and 12 through 15. Upstream cleaning will occur prior to downstream cleaning. This will ensure the department that downstream mains are not impacted by the next day's work. 9. Salvage and debris and Contaminated materials: Unless otherwise indicated on the drawings and in the specifications, all castings, pipe, equipment, demolition debris, spoils or any other discarded material or equipment shall become the property of the Contractor and shall be disposed of in a manner compliant with applicable Federal, State and local laws and regulations governing disposal of such waste products. 10.Contractor shall comply with all applicable Federal, State or local laws, codes and ordinances that govern or regulate contaminated substance transportation. Contaminated soils shall be loaded into trucks in a manner that prevents the spilling or tracking of contaminated soils into areas of the site with uncontaminated soil. 11.Loose materials falling onto the exterior of the truck during loading shall be removed before the truck leaves the loading area. If loading areas are unpaved, the surface soil shall be sampled at the conclusion of the loading activities to confirm that uncontaminated soil is not present. If loading areas are paved, any loose soil shall be cleaned from the pavement at the conclusion of the loading activities. 12.Specific truck haul routes shall be established before beginning off-site contaminated media transport. The contractor shall be responsible for ensuring that loaded truck weights are within acceptable limits. All trucks shall be covered before they leave the loading area. 13.The Contractor shall ensure that all drivers of vehicles transporting contaminated substances have in their possession during transportation all applicable State of California, and local vehicle insurance requirements, valid driver's license, and vehicle registration and license. The Contractor shall be responsible for informing all drivers of transport vehicles about: A. The nature of the materials transported; B. Required routes to and from disposal facility; C. Applicable county street regulations and requirements, and State of California Department of Transportation codes, regulations and requirements; D. The County of San Diego's requirements for proper handling and transportation of the substances. 14.Contractor shall not allow contaminated substances to be spilled or tracked offsite at any time during the project. Trucks used for the transportation of contaminated substances off-site shall be water-tight, substance compatible, licensed, insured, and permitted pursuant to Federal, State and local statutes, rules, regulations, and ordinances. 15.Sewer Main Cleaning includes all labor, equipment and incidentals necessary for cleaning of sanitary sewer main lines. Work shall include, but not limited to: Cleaning of main lines and manholes, traffic control as required by all Local, State, and Federal agencies, and all other incidental work specified. Contractor shall perform all work in accordance with CAL/OSHA and State Safety requirements, including those for confined space entry. 16.Submittals: Traffic Control Plan that shall include but not limited to staging sites, impacts to traffic patterns, considerations of bus traffic, as well as proposed signs, detours, and flaggers. 17.Contractor will obtain a hydrant meter from the Owner. The Contractor shall provide all hoses, adapters, and appurtenances required for obtaining water from the designated hydrants. Access to the hydrants shall not be obstructed in case of fire in the area served by hydrant. Contractor shall furnish and utilize a combination of high velocity hydraulic cleaning equipment and a vacuum unit as required. High velocity cleaning equipment shall be used to clean all sewer mainlines unless otherwise specified or approved by the Engineer. Low velocity or mechanical cleaning equipment shall not be used in lieu of high velocity equipment. 18.Means and Methods of Cleaning: A. Clean all sewer lines and manholes designated on the drawings or directed by the Engineer, including the manholes at both ends of the section to be inspected. B. All dirt, sand, grease, rocks, roots or other accumulations shall be removed from pipe walls and manholes. Existing lines shall be protected from damage caused by cleaning operations. Hydraulic cleaning operations shall be conducted with care to avoid damage to pipes and manholes, or flooding of adjacent property. C. The contractor shall be responsible for the proper and legal disposal of all materials removed from the sewers and in a manner acceptable to the Engineer. The owner does have a local disposal point. D. All sewers shall be cleaned with high velocity equipment unless the engineer allows otherwise. 19.The Engineer may order the use of other methods or equipment when it appears necessary. High velocity cleaning equipment with Vacuum pickup of materials shall include: A. High velocity cleaning equipment shall be capable of providing up to 200 gallons per minute at 2,000 pounds per square inch (psi) of working pressure. Contractor shall provide a minimum of 500 feet of 1-inch ID high pressure hose with at least two cleaning nozzles. The nozzles shall be capable of producing a scouring action from 15 to 45 degrees in all size lines designated to be cleaned. The equipment shall also include a high velocity "gun" for cleaning manhole walls and bottoms. The equipment shall be complete including 1,200 gallons water tanks suitable for holding corrosive or caustic chemicals, pumps, hose, hydraulically driven hose reel, auxiliary engines, controls, and all safety features required by law. B. The cleaning equipment shall have an integral vacuum unit to allow the material cleaned from the pipes to be vacuumed directly from the manhole. C. Contractor shall provide additional cleaning equipment, including root cutters, as required to satisfactorily clean the pipe.

Division 01 -	General Requirements.
Division 10 -	Specialties.
Division 11 -	Equipment.