SPECIAL SPECIFICATION 6658 Time Warner Communications System

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1 2004 Specifications CSJ Description. SPECIAL SPECIFICATION 6658 Time Warner Communications System A. This Item will govern the installation of all facilities belonging to Time Warner Cable hereinafter referred to as Time Warner. The Contractor and approved Subcontractors shall construct all required utility adjustments within the limits of this project including any peripheral adjustments that may not have been discovered during the design process. Contracts with subcontractors for Time Warner s installation shall require the subcontractor to comply with this Special Specification. These adjustments shall be paid for directly as detailed in Measurement and Payment of this Special Specification. B. This Item shall consist of furnishing all materials, supplies and appurtenances and performing all necessary labor and supervision to provide a complete underground telephone conduit structure (duct bank) in accordance with the plans and specifications. The conduit structure (duct bank) shall be of the sizes, materials, and dimensions shown on the plans and shall include all pipe, all joints, all connections to new and existing conduit and manholes, fittings, concrete, and incidentals as may be required to complete the work. C. The Contractor that is going to perform the underground telephone system will be an approved Time Warner Contractor. See plan sheets for the Time Warner contact person who will provide a current list of approved contractors. D. Definitions 2. Materials. 1. Conduit. Piping material that will be used to house telephone cables. The words "conduit", "duct" and "piping" may be used interchangeably in this specification. 2. Conduit Structure (Duct Bank). Groups of conduits arranged in tiers and encased as specified in the plans. A. All materials, tools, supplies, equipment, etc. necessary to complete the work shall be furnished by the Contractor, except as otherwise noted. All materials used shall be new unless otherwise specified on the plans or specifications. 1. Conduit (Duct). All piping materials, including bends, fittings, etc., shall be in accordance with Item 618, Conduit and shall be furnished by the Contractor, as detailed on the plans

2 2. Handholes. All pre-cast handholes shall be fully furnished by the Contractor, complete with all racking, and bonding hardware, rings, frames, covers and joint sealing compound and shall be as detailed on the plans. 3. Steel Casing. The Contractor shall furnish the steel casing needed as detailed on the plans. 4. Cement Stabilized Backfill. Cement stabilized backfill shall be in accordance with Item 400, "Excavation and Backfill for Structures." 5. Concrete. All concrete shall conform to Item 421, "Hydraulic Cement Concrete." Class B concrete shall be utilized for encasement of conduits. All other types of concrete shall be as specified in the specifications or plans. 6. Stabilized Encasement. When this Item is specified, concrete backfill shall be used for stabilized encasement. The words stabilized encasement: and concrete encasement may be used interchangeably in this specification. B. All non-telephone system materials, such as backfill, mortar, tools, supplies, equipment, etc. required to properly complete the work will be furnished by the Contractor, except as otherwise noted. C. Time Warner shall furnish and install above-ground warning signs and posts. D. Time Warner shall furnish, install, and splice all cables required for this project. E. Backfill. All backfill will be in accordance with Item 400, "Excavation and Backfill for Structures. 1. Bedding. All bedding will be cement stabilized material beginning 2 in. below the bottom of the duct bank and extending to 12 in. above top of the duct bank, as shown on the construction plans. 2. Cement Stabilized Backfill (Type C Backfill). All cement-stabilized backfill will be in conformance with Item 400, Excavation and Backfill for Structures. Cement-stabilized backfill will be used to fill trench from top of bedding to bottom of subgrade whenever an excavation is under a roadway. 3. Original Material Backfill (Type A Backfill). Type A backfill will be used whenever an excavation is a distance of 10 ft. or greater from an existing edge of pavement. Material used for this backfill will be equivalent to original material or better, free of debris, compacted 90%-95% Standard Proctor density in 6 in. maximum lifts. F. Concrete Encasement. All concrete encasement material will conform to Item 421, "Hydraulic Cement Concrete. Class B concrete will be utilized for encasement of conduits wherever plans indicate concrete encasement

3 G. Handholes. 1. Pre-cast handholes. All handholes shall be precast, and shall be furnished by the Contractor. All handholes shall be of the sizes, materials, and dimensions as shown in the plans. 2. Refer to Level (3) Specification for additional specifications regarding the handholes. All cable vaults and handholes shall be designed to withstand HS 20 loading in accordance with ASTM C Contractor shall install a ground rod at each handhole location. The ground rod shall be 5/8 in. diameter by 8 ft. in length. The rod shall be installed through the bottom of the handhole and protrude 6-8 in. above the bottom of the handhole. Connect the ground rod to the grounding bar. The grounding bar shall be a Saunders Brothers or equivalent insulated solid copper ground bar 1/4 in. thick by 4 in. high, by 12 in. long placed in the cable vault. The connections to the ground bar shall be a 2 hole bolted compression connector. The ground rod and ground bar shall be connected together by a number 6 (#6) AWG wire with green insulation. H. Submittals. Submit all products covered under this specification for the Engineer s approval. 1. Manufacturer s cut sheets and catalog data, with selected products clearly marked. 2. Installation, terminating and splicing procedures. 3. Dimensions and weights. I. As-Built / Red Line Drawings. Contractor shall furnish 1 set of construction drawings for the sole purpose of creating red-line as-built drawings. 1. Red-line drawings shall be protected from the elements and be prepared legibly. 2. All dimensions shall be from the ROW. Depth measurements shall be annotated every 50 ft. and at grade breaks in the profile. 3. Provide any new information deemed important to Time Warner but not previously shown on the construction drawings. 4. The as-built / red line drawings shall be marked to show the actual installation of the facilities, where the installation varies from the Work as shown on the construction drawings. 5. The drawings shall indicate the following information: depth of conduit, distance from ROW to centerline of conduit, ends of conduit, utility crossings, handhole locations, concrete encasement, accurate dimensions between handholes, cable marker post locations, and conduit type and size

4 3. Construction. A. Contractor. The Contractor that installs the underground telephone system must be an approved Time Warner Contractor. Other qualified Contractors not included in the list are allowed, if approved by Time Warner prior to executing the subcontract. 1. Coordination with Time Warner. a. Slotted Handholes. All handholes proposed as pre-cast slotted shall not be ordered until Contractor has verified field conditions are adequate for placement. b. Cable Splicing. (1) All cable splicing involved in this project shall be performed by Time Warner. (2) Contractor will coordinate splicing through the Time Warner Owner Contact information shown in the plans. Requests for splicing shall be made at least 2 weeks prior to the required splicing start date. B. Trench Excavation. Trench excavation and backfilling as required to complete the underground telephone system installation will be performed in accordance with Item 400, "Excavation and Backfill for Structures", as outlined herein, as shown on the plans and as directed. Blasting to perform the excavation will not be allowed. 1. Trenches for Conduit and Conduit Structure: Refer to Level (3) Specification Outside Plant (OSP) - Fiber Optic Cable (FOC) Conduit Systems for additional specifications regarding width, depth, and grade of trenches. 2. All open trenches shall be back filled at the end of each working day. Any open trench not back filled may be covered as approved by the Engineer. 3. Driveways or roadways which are open cut, shall be kept open until just prior to excavation and placement of conduit. 4. Handhole Excavations. The width and depth of excavation for handholes will be determined by the lines and grades as established on the plans, dimensions of the handhole and orientation or as directed by the Engineer. 5. Classification of Excavations. No classification of excavated materials will be delineated. Excavation and trench work will include the removal and subsequent handling of all materials excavated in accordance with Item 400, "Excavation and Backfill for Structures." 6. Excavation Below Grade. Any part of the bottom of the trench that is overexcavated will be corrected with approved material and compacted in a manner

5 as described in Article of Item 400, "Excavation and Backfill for Structures" and as directed by the Engineer. 7. Protection and Restoration of Underground Structures and Facilities. a. Facilities other than Time Warner s. Contractor will protect and restore underground facilities as indicated on the plans or dictated by field conditions. The Contractor shall furnish temporary support, adequate protection, and maintenance of all underground and surface structures, drains, sewers, and other obstructions encountered in the progress of the work. All underground structures and utilities disturbed during construction shall be restored at the Contractor's expense. Materials and methods used for restoration shall be in accordance with local, state and federal codes and guidelines and the requirements of the utility agency involved. b. Time Warner Facilities. The Contractor will adjust and support existing facilities wherever indicated on the plans or dictated by field conditions. 8. Trench Excavation Protection. All trench excavation protection will be accomplished in accordance with Level (3) Specification and Item 402, Trench Excavation Protection. C. Backfill. All backfill and backfill operations will be in accordance with Item 400, "Excavation and Backfill for Structures," as described herein and as directed. Where, in the opinion of the Engineer, it is necessary to maintain traffic across a trench, the Contractor will install temporary metal bridges as necessary to facilitate the movement of traffic. D. Pavement. The Contractor will remove pavement and surfaces as part of the trench excavation in accordance with Item 400, "Excavation and Backfill for Structures. Concrete Surfaces. All concrete surfaces (sidewalks, driveways, etc.) will be performed in accordance with Item 104, Removing Concrete. E. Conduit and Conduit Structures 1. Duct Bank. Contractor shall furnish conduit of the sizes and types specified in the plans and in accordance with Level (3) Specification Defective or Damaged Material. All materials will be inspected for defects prior to being lowered into the trench. Any defective, damaged, or unsound material will be repaired or replaced as directed. Should damaged materials be placed, the Contractor will furnish at the Contractor's expense all labor and materials required for removing and replacing the defective material. Should the Contractor damage the materials after installation, the Engineer may permit the damaged section to be cut from the length unless it is the opinion of the Engineer that the entire length

6 was damaged. The cost and replacement of broken materials will be at the expense of the Contractor. 3. Pull Lines. Contractor shall install a pull line in each conduit installed. 4. Cable Marking Tape. Contractor shall furnish and install cable marking tape above all conduit. The tape shall be installed a minimum of 12 in. below top of finished grade. 5. Minimum Bending Radius. The minimum bending radius on all conduits shall be no greater than 20 times the outside diameter of the conduit. F. Proofing of Conduit. 1. Upon the completion of conduit installation, Contractor shall be required to proof each conduit to verify continuity and integrity of the system. All conduits must be proofed after backfilling, but prior to final paving. 2. Proofing shall be accomplished by pulling a solid aluminum or steel mandrel or by blowing a pig. The outside diameter of the mandrel or pig shall be a minimum of 80% of the inside diameter of the conduit and 4 in. long. The mandrel or pig shall be approved by Time Warner prior to proofing. 3. Conduit that is proofed without prior notification to Time Warner shall be considered incomplete and is subject to reproofing. 4. Any installed mule tape or polypropylene rope may be used for this purpose, but the tape must be reinstalled upon completion of proofing. The reinstalled tape or new tape must be free of damage, equal to its original integrity and free of other defects that would render it unsuitable for cable pulling. All mule tape shall be a non-sticking type. G. Cables. Installation. All cable installation required for this project shall be performed by Time Warner. H. Removing Existing Facilities. All abandoned telephone facilities, including manholes and conduit, to be removed will be accomplished in accordance with Item 496, "Removing Structures. A Time Warner-approved contractor shall remove existing conduit as necessary for the installation of the new facility. A Time Warner-approved contractor is not required to perform any other Time Warner removals once the existing facility is abandoned in place. 4. Measurement. A. Handholes. Handholes will be measured by each size of handhole installed. Covers and hardware will not be measured for payment, but will be considered subsidiary to the manhole. B. Conduit & Conduit Structures. Conduit will be measured by the foot

7 1. The lengths of duct bank will be measured along the duct between the outside faces of manholes or other connected facility as shown on the plans. 2. Where the installation involves connection to an existing conduit, the measurement will be made from the point of connection to the existing conduit. 3. Inner duct will be considered as conduit for the purposes of this specification. 5. Payment. The work performed and materials furnished in accordance with this Item and measured as provided under "Measurement" will be paid for at the unit price bid for the Items hereinafter described. The prices will be full compensation for furnishing and hauling all materials; for all excavation and backfill; for trench excavation protection; dewatering, shaping and fine grading of trench; for cutting and restoring pavements; for removing and replacing concrete surfaces; for placing, joining and racking of pipe and conduit structures; for manholes, risers, rings and covers and for all other items of material, labor, equipment, tools; for all testing and incidentals necessary to complete the work in accordance with the plans and specifications. A. Handholes. Payment for handhole installations will be made at the unit price bid for "Handhole (Time Warner)" of the size specified. This price is full compensation for furnishing all covers, racking hardware, and bonding hardware, and joint sealing compound and will be as detailed on the plans. B. Conduit and Conduit Structures. Payment for conduit installations will be made at the unit price bid for "Conduit (Time Warner)" of the size and type of conduit specified. This price will be full compensation for installing conduit, and inner duct; excavating, furnishing and placing backfill, boring, steel casing, replacing pavement structure, sod, riprap, curbs or other surface; for furnishing and installing all fittings, sweeps, bends, repair couplings, adaptors, ground box/manhole termination kits, pre-assembled split repair kits, lubrication access fittings, expansion joints, concrete and underground mylar conduit marking tape; and for all labor, tools, equipment and incidentals necessary to complete the work. Mandreling will not be paid for separately, but will be considered subsidiary to the conduit installation. C. Trench Excavation and Backfill. Payment for excavation and backfill for the installation of telephone facilities will not be paid for directly but will be considered part of the price bid for the specific structure installed. D. Trench Excavation Protection. Payment for excavation protection for the installation of telephone facilities will be paid in accordance with Item 402, Trench Excavation Protection. E. Pavement. Payment for cutting and restoring pavement will not be paid for directly but will be considered part of the price bid for the specific structure installed

8 F. Concrete Encasement. Payment for concrete encasement will not be paid for directly but will be considered part of the price bid for the specific structure installed. G. Select Backfill. Cement Stabilized Backfill will be paid for in accordance with Item 400, Excavation and backfill for Structures. H. Stabilized Encasement. Concrete encasement of conduits will not be paid for directly, but shall be considered subsidiary to the conduit (duct) structure encased. I. Installation over Existing Facilities. Payment for this Item will not be made directly, but will be considered incidental to the manhole installation. J. Remove Existing Facilities. Payment for this Item will be in accordance with Item 496, Removing Structures