SPECIAL SPECIFICATION 7441 Remove Components of Existing Traffic Management System

Transcription

1 2004 Specifications CSJ SPECIAL SPECIFICATION 7441 Remove Components of Existing Traffic Management System 1. Description. Remove existing surveillance cabinets, intermediate amplifier cabinets, ramp metering cabinets, ground boxes, conduits, radar vehicle sensing devices, spread spectrum wireless modems at each field site as shown on the plans, as specified within this specification and as directed by the The requirements herein are minimum. Strict compliance with these minimum requirements will not relieve the Contractor of the responsibility for adopting whatever additional provisions may be necessary to insure the successful completion of the work. Maintain the integrity of the existing systems consisting of but not limited to conduit, ground boxes, junction boxes, overhead sign supports, and cables contiguous to the section of work area. If any of the existing systems are damaged during the work, the Contractor will be required to repair or replace the damaged system(s) at his/her own expense. The replacement or repair method must be approved by the Engineer, prior to implementation. Maintaining the integrity of the existing systems during the work shall be subsidiary to this special specification. 2. Removal of Existing Surveillance Cabinet (SC). A. Materials. Remove equipment at each surveillance cabinet field site including, but not limited to, the following: 1. Surveillance Cabinet including all shelf-mounted equipment within it. 2. Cabling from power source to cabinet or as shown in the plan or as directed by the 3. Cabling and connectors from/to telecommunications source to cabinet or as shown in the plan or as directed by the 4. Remove surveillance cabinet foundation 2 ft. below existing grade. Backfill the remaining hole with select material equal in composition and density to the riprap, with like material to equivalent condition to the satisfaction of the B. Construction. Prior to removal of the surveillance cabinet, disconnect and isolate the power conductor cables from the power source and disconnect and remove all shelfmounted equipment within it

2 Replace any portion of the surveillance cabinet, including all internal components and shelf-mounted equipment, damaged or lost at no cost to the Department. All materials, which are not deemed salvageable by the Engineer, become the property of the Contractor and shall be removed to disposal sites off the right of way arranged for by the Contractor and approved by the Engineer or other disposed of in a manner satisfactory to the All materials, which are deemed salvageable by the Engineer, and the surveillance cabinet including all internal components and shelf-mounted equipment shall be the property of the Department and shall be transported to, and stored at TxDOT s Traffic Management Maintenance Section, 2501, Southwest Loop 820, Fort Worth, Texas Removal of Existing Intermediate amplifier (IA) Cabinet. A. Materials. Remove equipment at each IA cabinet field site including, but not limited to, the following: 1. IA Cabinet including all shelf-mounted equipment within it. 2. Cabling from power source to cabinet or as shown in the plan or as directed by the 3. Cabling and connectors from/to telecommunications source to cabinet or as shown in the plan or as directed by the 4. Remove IA Cabinet Foundation 2 ft. below existing grade. Backfill the remaining hole with select material equal in composition and density to the surrounding area, and replace any surfacing, such as asphalt pavement or concrete riprap, with like material to equivalent condition to the satisfaction of the B. Construction. Prior to removal of the IA Cabinet, disconnect and isolate the power conductor cables from the power source and disconnect and remove all shelf-mounted equipment within it. Replace any portion of the IA Cabinet, including all internal components and shelfmounted equipment, damaged or lost at no cost to the Department. manner satisfactory to the

3 All materials, which are deemed salvageable by the Engineer, and the IA cabinet including all internal components and shelf-mounted equipment shall be the property of 4. Removal of Existing Ramp Metering Cabinet. A. Materials. Remove equipment at each ramp metering cabinet field site including, but not limited to, the following: 1. Ramp Metering Cabinet including all shelf-mounted equipment within it. 2. Cabling from power source to cabinet or as shown in the plan or as directed by the 3. Cabling and connectors from/to telecommunications source to cabinet or as shown in the plan or as directed by the 4. Remove Ramp Metering Cabinet Foundation 2 ft. below existing grade. Backfill the remaining hole with select material equal in composition and density to the riprap, with like material to equivalent condition to the satisfaction of the B. Construction. Prior to removal of the Ramp Metering Cabinet, disconnect and isolate the power conductor cables from the power source and disconnect and remove all shelfmounted equipment within it. Replace any portion of the Ramp Metering Cabinet, including all internal components and shelf-mounted equipment, damaged or lost at no cost to the Department. manner satisfactory to the All materials, which are deemed salvageable by the Engineer, and the ramp metering cabinet including all internal components and shelf-mounted equipment shall be the property of the Department and shall be transported to, and stored at TxDOT s Traffic Management Maintenance Section, 2501, Southwest Loop 820, Fort Worth, Texas Removal of Existing Ground Boxes. A. Materials. Remove existing ground boxes consisting of Type AS, Type DS and or RPM Type D ground boxes or as shown in the plans and as directed by the

4 Backfill all excavations with select material equal in composition and density to the riprap, with like material to equivalent condition to the satisfaction of the B. Construction. Prior to removal of the ground boxes, ensure that the ground boxes are free of cable. manner satisfactory to the 6. Removal of Existing Conduit System. A. Materials. Remove existing conduit system consisting of maximum of 2-3 in. PVC and 2-4 in. multi-duct PVC conduits or as shown in the plans and as directed by the Backfill all excavations with select material equal in composition and density to the riprap, with like material to equivalent condition to the satisfaction of the B. Construction. Prior to removal of the conduits, ensure that the conduits are free of cable. manner satisfactory to the 7. Removal of Existing Radar Vehicle Sensing Device System

5 A. Materials. Remove equipment at each Radar Vehicle Sensing Device System site including, but not limited to, the following: 1. Radar Vehicle Sensing Device including all mounting hardware. 2. Power supply unit, surge protection and communication modules. 3. Cabling from power distribution assembly to power supply unit or as shown in the plans or as directed by the 4. Cabling from communication module to system wireline or wireless communication equipment or as shown in the plans or as directed by the 5. Cabling and connectors from sensor to cabinet. B. Construction Methods. Perform the removal in strict conformance with the requirements herein stated. Completion of the work shall present a neat, workmanlike, and finished appearance. Maintain safe construction practices during removal. Prevent any damage to the various Radar Vehicle Sensing Device System components. manner satisfactory to the 8. Removal of Existing Spread Spectrum Wireless Modem System. A. Materials. Remove equipment at each Spread Spectrum Wireless Modem System site including, but not limited to, the following: 1. Spread Spectrum Wireless Modem including power supply unit. 2. Antenna including all mounting hardware as shown in the plans or as directed by the 3. Cabling and connectors from modem to antenna. B. Construction Methods. Perform the removal in strict conformance with the requirements herein stated. Completion of the work shall present a neat, workmanlike, and finished appearance. Maintain safe construction practices during removal. Prevent any damage to the various Spread Spectrum Wireless Modem System components

6 9. Testing. manner satisfactory to the A. Pre-Test: Conduct performance testing prior to removal of the equipment. Test all functional operations of the equipment. Representatives of the Contractor and the State shall be present during all tests. Both representatives shall sign the test report as to the equipment passing or failing each function. Once removed, the equipment becomes the responsibility of the Contractor until relieved by the State. 10. Measurement. Removal of Existing Surveillance Cabinet (SC) will be measured as each Surveillance Cabinet, including all internal components, and with all shelf-mounted equipment within it removed and transported in accordance with this specification. When measured, removal shall include all appurtenances. Removal of Existing Intermediate Amplifier (IA) Cabinet will be measured as each Intermediate Amplifier (IA) Cabinet, including all internal components, and with all shelfmounted equipment within it removed and transported in accordance with this specification. When measured, removal shall include all appurtenances. Removal of Existing Ramp Metering Cabinet will be measured as each Ramp Metering Cabinet, including all internal components, and with all shelf-mounted equipment within it removed and transported in accordance with this specification. When measured, removal shall include all appurtenances. Removal of Existing Ground Boxes will be measured as each ground box removed, regardless of type of ground box, in accordance with this specification. When measured, removal shall include all appurtenances. Removal of Existing Conduit System will be measured by the linear foot of conduit removed, regardless of type and number of conduit, in accordance with this specification. When measured, removal shall include all appurtenances. Removal of Existing Radar Vehicle Sensing Device System will be measured as each system removed and transported in accordance with this specification and as shown on the plans. When measured removal shall include all appurtenances. Removal of Existing Spread Spectrum Wireless Modem System will be measured as each system removed and transported in accordance with this specification and as shown on the plans. When measured removal shall include all appurtenances. 11. 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 Removal of Existing Surveillance Cabinet (SC), or Removal of Existing Intermediate Amplifier (IA) Cabinet, or Removal of Existing Ramp Metering Cabinet, or Removal of Existing Ground Boxes, or Removal of Existing Conduit System, or Removal of

7 Existing Radar Vehicle Sensing Device System, or Removal of Existing Spread Spectrum Wireless Modem System. This price shall be full compensation for removing, backfilling, transporting, testing, and for all manipulations, materials, labor, tools, equipment, and incidentals