Loading...
6503 - Construction of Water & Sanitary Sewer Improvements Phase 2 For the Denton Energy Center, 3.Statement of Work/ SpecificationsExhibit 3 Denton Municipal Electric City of Denton, Texas TECHNICAL SPECIFICATION Water and Sanitary Sewer Improvements – Phase 2 for the Denton Energy Center IFB# 6503 PROJECT SUMMARY Denton Municipal Electric (City of Denton, Texas) is seeking bids for construction of the Water and Sanitary Sewer Improvements – Phase 2 for the Denton Energy Center. This specification provides the information necessary to allow prospective Contractors to prepare bids for complete construction of this project as described in the drawings and this specification. The Contractor shall provide all equipment, materials and labor necessary to complete the work described in a manner satisfactory to the City. The contract for complete construction of the Water and Sanitary Sewer Improvements – Phase 2 for the Denton Energy Center will be awarded to one Contractor. Any drawing errors discovered shall be promptly reported to DME for resolution. The construction work required for this IFB shall be as described in the plans and specifications. As an introduction and summary, the typical components of the work for the public improvements are: Water and Sanitary Sewer: The Contractor shall perform 12 inch, 16 inch, and 20 inch water line improvements including constructing the new water lines, 24 inch steel casing by bore, 36 inch steel casing by bore, 36 inch steel casing by open trench, 12 inch water carrier line, 20 inch water carrier line, valves, fire hydrant, rock excavation, and connecting to the existing water line as well as all other work to complete the project. The Contractor shall also perform 6 inch sanitary sewer service, 8 inch, and 10 inch gravity sanitary sewer line improvements including constructing the new sewer lines, 18 inch steel casing by open trench, manholes, cleanouts, rock excavation as well as all other work to complete the project. There is a IFB ALTERNATE included in the project for a portion of the work. The IFB ALTERNATE provides an alternate pipe size for a portion of the water line improvements. The IFB ALTERNATE pipe is 16 inch ductile iron pipe for the portion of the 20 inch ductile iron water line improvements shown on the drawings, including associated fitting, valve, and casing sizes. Both the Base Bid and the ALTERNATIVE BID will be evaluated during the award process. Other Improvements associated with the work: The Contractor shall perform the other associated work such as general site preparation, traffic control, barricades, barriers, and warning signs, temporary erosion control, and surface restoration. Coordination with the Denton Energy Center Contractor: The Contractor shall coordinate his work with the Denton Energy Center contractor so that the Energy Center work is not impeded by the water and sanitary sewer improvement work. While performing work adjacent to the Energy Center, the contractor shall follow the safety protocols established by the Energy Center contractor. The contractor shall attend a safety training meeting with the Energy Center contractor, who will provide the Contractor with the safety protocols. Construction Safety within Airport Property A portion of the sanitary sewer line improvements are within the Denton Enterprise Airport. The Contractor shall adhere to the Construction Safety Plan for work within the Denton Enterprise Airport. The Construction Safety Plan is included as a separate document. Specific Schedule of Work The Contractor shall follow the specific schedule of work as outlined below: Upon Notice to Proceed the Contractor shall have the 12 inch water line -2 work completed within 30 calendar days for the portion of the 12 inch water line-2 from station 25+00 to the connection to existing at approximate station 36+09 including disinfection and testing. Upon Notice to Proceed the Contractor shall begin the sanitary sewer line work in addition to the 12 inch water line-2 work noted above. This includes the portion of sanitary sewer line work within the Denton Enterprise Airport. The sanitary sewer line work shall begin with the sanitary sewer line improvements within the Denton Enterprise Airport. The sewer line work within the Denton Enterprise Airport shall be completed within 21 calendar days after the Notice to Proceed. Unless additional work crews are utilized for the remaining water line work, both the entire sanitary sewer line work and the above noted 12 inch water line-2 work shall be completed prior to performing the remainder of the water line improvements. Technical questions, drawings, and transmittals shall be directed to: Mr. Robin Harris P.E. Teague Nall & Perkins 1517 Centre Place Drive, Suite 320 Denton, TX 76205 Phone: (940) 383-4177 Fax: (940) 383-8026 rharris@tnpinc.com PROJECT LOCATION The Denton Energy Center is located on the south side of Jim Christal Road west of Masch Branch Road. A general location map is shown on the drawings. GENERAL REQUIREMENTS OF THE CONTRACTOR Site Conditions The Contractor shall be responsible for visiting the site and properly accounting for site and excavation conditions in bid prices. Unexpected conditions in excavation will not be considered basis for a cost adjustment. Any known underground utilities will be shown on plans; however, there are no guarantees as to what may be discovered during excavation. The Contractor remains under the obligation to obtain underground utility locations prior to any excavation. Work Required Near Energized Lines Denton Municipal Electric is a municipally owned electric utility whose business purpose is to transmit, distribute, and sell electricity. The work identified in this IFB is intended to provide facilities that will form part of the infrastructure necessary for operation of the electric utility. No work is required on energized lines for this project; however the Contractor is hereby notified that there may be energized electric power lines on or near the work areas on any given site. Work may be required above energized underground distribution conductors. Appropriate precautions are required to prevent tools or equipment being placed or operated closer than ten (10) feet from any distribution voltage overhead power line or closer than twenty (20) feet from any transmission voltage overhead power line. The Contractor shall consult with DME for appropriate instructions on working near underground conductors. The Contractor shall be responsible for compliance with all OSHA requirements related to the work. Locations of Facilities, Surveying, and Staking Water and sanitary sewer improvement lines and grades shall be as shown on the drawings, City standard drawings, applicable NCTCOG drawings and the specification for the project. The City will provide surveying control on or near the site, which will include a benchmark. The Contractor shall provide horizontal and vertical staking of the water and sewer line improvements. The Contractor shall be responsible for protection of these references. Should the Contractor’s activities result in damage to the benchmark the City will have the reference replaced at the expense of the Contractor and at no expense to the City. Should the Contractor require re-staking of water and/ or sewer line improvements due to the Contractor damaging these references the Contractor shall have the references re-stake at no expense to the City. The Contractor will be fully responsible for obtaining locates for utilities for the project. Refer to “Locating Underground Utilities” within this section. The following staking shall be provided by the contractor for the water and sanitary sewer improvements: