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| 1 | Original survey, preparation & submission of profilesin 4 copies including excavation in any type of soil up to 3.00mtr. Of depth for trial pits 2 nos of such pits in 1km length & providing pre cast permanent concrete blocks / stones of 600mm X 300mm X 100mm on each deviation point on entire line with chain age painted on it.The work includes excavation of trial pit of 1 x 1 x 3mt in any type of soil for classification of the said pit. The rate is inclusive of back filling of the pits so excavated after clafissification of soil for foundation. |
| 2 | Check survey |
| 3 | Excavation excluding back filling but including shoring shuttering, dewatering, tree cutting for tower footings etc for :- a) Black cotton submerged soil |
| 4 | b) Soft Rock |
| 5 | Installation of steel reinforcement in concrete foundation including supply of MS bars, binding wire and their cutting bending, binding, and laying in position as per drawing |
| 6 | Stub-setting including back filling but excluding excavation and concreting etc for all types of towers/extensions except special towers (Weight of stub, cleat and template with bolt and Nuts of stub and template shall be counted |
| 7 | Concreting of foundation by M25 mixture including shoring, shuttering,dewtering etc.. |
| 8 | Concreting of foundation by M10 mixture including shoring, shuttering,dewtering etc. |
| 9 | Grounding of towers with pipe type earthing including excavation and back filling and supply of all materials like 32mm dia heavy dity 3mtr long G.I Pipe and 50 x 6 mm GI flat,bolt -nuts, salt, coal/charcoal etc as per drawing |
| 10 | Erection of super structure upto 25 meter extension including tree cutting , fixing of tower accessories , attachments except ACD/DP/NP/CIP/PP and excluding tack welding of bolts. This includes taking delievery of tower materials and bolt nuts for normal , extension and special towers at destination and keeping them in safe custody and transporting the same to erection site |
| 11 | Stringing ofEarth wire including laying, jointing, tensioning, clamping, vibration damper earth bond etc. and including tree cutting as per CEA rules. |
| 12 | Stringing of ACSR/AAAC 12 (Twelve) Zebra Conductor for Multi Circuit. |
| 13 | Fixing and Anti climbing devices including supply of barbed wire. |
| 14 | Fixing of DP/NP/PP/CIP including supply of plates and supply of GI bolts nuts |
| 15 | Tack welding of nuts up to approx 10 mtrs height or two bottom most panel from groundlevel at three places on the nuts diametrically and applying zinc rich paint immediately after tack welding |
| 16 | Dismantling ofconductors and line materials of existing line with 12 (Twelve)Zebra conductor special river crossing. |
| 17 | Dismantling of Ground wire with accessories |
| 18 | Dismantle of any type of tower including transportation and crediting to nearest DNHDDPCL\"s store as per instruction of engineer-in-charge. |
| 19 | Cutting of stubs of old tower |
| 20 | Design, Fabrication, Galvanizing & supply of various types of tower & tower parts, tower extensions (complete) excluding stubs & bolts-nuts including hangers, D-shackles, pack plate washers etc.a) Mild Steel |
| 21 | b) High Tensile Steel |
| 22 | Febrication, Galvanizing and supply of stubs & cleats of various type of towers, tower extensions etc (complete) excluding bolts & nuts.A) High Tension Steel |
| 23 | B) Supply of Bolts & Nuts including step bolts and spring washers |
| 24 | Supply of ACSR Zebra Conductor |
| 25 | Supply of 220 KV Polymeric Disc Insulator string |
| 26 | Supply of Earth wire 7/3.66 mm |
| 27 | Insulator HardwareSingle Tension Hardware for Zebra Conductor |
| 28 | Double Tension Hardware for Zebra Conductor |
| 29 | Suspension Hardware for Zebra Conductor |
| 30 | Vibration damper for Zebra Conductor |
| 31 | Jumper cone for Zebra conductor |
| 32 | Hardware for Earth wireTension Clamp |
| 33 | Vibration damper for Earth wire |
| 34 | Bird Guard |
| 35 | Copper Earth Bond |
| 36 | Anti-climbing device |
