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| 1 | Exterior and Interior Cabling Works |
| 2 | Laying and clamping of underground telephone-cable (Polythene Insulated Jelly Filled-PIJF) through existing ducts without trenching (Cable - CSL Supply) |
| 3 | 10 Pair PIJF Cable |
| 4 | 20 Pair PIJF Cable |
| 5 | 50 Pair and above PIJF Cable |
| 6 | Laying of underground telephone cable (Polythene Insulated Jelly Filled-PIJF) through open spaces /G.I.Pipe without trenching as per site requirements with proper bunching and clamping (Cable and Pipe - CSL Supply) |
| 7 | 10 Pair PIJF Cable |
| 8 | 20 Pair PIJF Cable |
| 9 | 50 Pair and above PIJF Cable |
| 10 | Providing suitable trenches as per site requirements and laying of under ground telephone cables(PIJF), filling the trenches leveling the surface including concreting of roads and sidewalls. In road crossings Pipe protection also to be provided in the trenches (Cable and Pipe- CSL supply) |
| 11 | Interior /exterior laying of multi core telephone cable, clamping and bunching to existing supports, openly without conduits or pipes. (PVC Telephone cable -CSL supply) |
| 12 | 2 pair cable |
| 13 | 5 Pair and upto 10 Pair cable |
| 14 | 20 Pair and upto 50 pair cable |
| 15 | Interior wiring of telephone lines using 2core 0.5 mm2 PVC telephone cable : |
| 16 | Through electric grade ISI certified PVC pipes/case & caps, Clamping including all wiring materials and hardware at various locations in the yard.(PVC Telephone cable - CSL supply) |
| 17 | Through already laid PVC pipes/case & caps.(PVC Telephone cable - CSL supply) |
| 18 | Interior wiring of telephone lines using 0.5 mm2 multicore PVC telephone cable through Electric grade ISI certifiedPVC pipesof necessary dia adapting concealed PVC conduit system (PVC Telephone cable - CSL supply) |
| 19 | Through wall |
| 20 | Through floor |
| 21 | Laying of 0.5mm2 multi core (3 pair & above) up to 50 pair core PVC telephone cable in electrical grade, ISI certified PVC pipes of necessary size clamping on walls etc adapting open PVC conduit system at various locations in the yard including all wiring materials. (PVC Telephone cable - CSL supply) |
| 22 | 5 Pair and upto 10 Pair cable |
| 23 | 20 Pair and upto 50 pair cable |
| 24 | Dismantling of old cables and disposing them properly at designated loctions in the yard. |
| 25 | Renewal of DP boxesRenewal of damaged DP boxes at buildings, shops and outdoors. Including complete cable termination on tags / Krone blocks (on the i/p and o/p side) and reconnection of existing lines working in the DP boxes & lineTesting (Krone blocks and New DP boxes - CSL supply) |
| 26 | 10 pair DP boxes |
| 27 | 20 pair DP boxes |
| 28 | 50 pair DP boxes |
| 29 | 100 Pair DP boxes |
| 30 | Installation of New DP BoxesFixing of new DPs and termination of krone module on the input side. |
| 31 | 10 pair DP boxes |
| 32 | 20 pair DP boxes |
| 33 | 50 pair DP boxes |
| 34 | 100 Pair DP boxes |
| 35 | Rectification of defects in telephone lines |
| 36 | Fault identification in telephone lines, locating line faults, repair of line faults such as disconnection, looping, loose connections in cables, jumpering, cable pair changing etc. Reporting & carrying out necessary rectification work at telephone station/junction boxes/DP boxes & line testing |
| 37 | MDF (Main Distribution Frame)wiring, jumper connections and Krone connections during shifting/ altering/new connection of telephone lines and line testing |
| 38 | Disconnection offaulty Telephone sets, installation ofnew telephone sets of all models, including RJ11 crimping, rosette box connections and testing |
| 39 | Fault finding & rectification work of underground telephone cable |
| 40 | Trench excavation on bituminised roads, road crossing and retrieving of faulty UG cable / laying of new cable /minor rectification works and refilling and leveling works excluding cable joining works / tarring /concreting etc. |
| 41 | Trench excavation on ordinary soil and along non bituminous road pavements and retrieving of faulty UG cable / laying of new cable /minor rectification works and refilling and leveling works excluding cable joining works |
| 42 | Cable joining works for armoured / unarmoured UG telephone cables of the following types using TSF joining kits (TSF kit will supplied by CSL) |
| 43 | 10 pair joint |
| 44 | 20 pair joint |
| 45 | 50 pair joint |
| 46 | 100 pair joint |
| 47 | 200 pair joint |
