Erection of 230kV DC Line on DC Narrow Base tower by making LILO in the exisitng 230kV Ottiyampakkam to Omega Feeder I Between Loc. No. 58 and 59 to proposed 230kV Switch Yard for extension of new EHT supply with dual source of supply for a demand of 90 MVA at 230 KV level to M/s.CMWSSB, 400 MLD Desalination plant, Nemmeli Village, Thiruporur Taluk, Chengalpattu District. - REACH - I; 1 Supply of ACSR Zebra Conductor 2 230 KV 120 KNPolimer Insulators 3 230 KV 90 KNPolimer Insulators 4 HTS Tower parts 5 MS Tower parts 6 GI Bolts and Nuts 7 Supply of ST Fittings for Zebra 8 Supply ofSS fitting for Zebra 9 Supply ofSB dampers for Zebra 10 Supply ofMidspan joint for Zebra 11 Supply ofRepair sleeve forZebra 12 Supply ofPA rod forZebra 13 Pipe type earthing 14 Counter poise earthing 15 Danger plate 16 Number plate 17 Phase plate (Set of three) 18 Name plate (Set of two) 19 Circuit plate (Set of Two) 20 Anticlimbing device (Set of Four) 21 Designing all the components of the foundation (Special Type) based on soil investigation as per the requirment including preparation of drawings for all the components of the proposed constructionand submission of drawings- 6 copies+2 soft copies, after getting approval from the competent authority, including cost of all materials, labour, leads, lifts T&P etc complete. 22 Conducting check survey in the already fixed route, Fixing of tower location and pit marking, jungle clearance, tree cutting etc., complete. 23 Earth work excavation in all soils including cost of all materials, labour, lead, lift etc., complete as directed by the Engineer at site. 24 PCC 1 : 3 : 6 (M10) using 20 mm HBG metal without form work forfoundationincluding cost of all materials, curing, labour, lead and lift. etc., complete. 25 Transport of piling and boring equipments such as boring rig, winches, motors, bentonite pump, shells, boiler casing pipe, etc., from location to location by pulling into water as necessary using crane including transport and hire charges etc., complete. 26 Setting of piling and boring equipment, tripod with all accessories and tools at each pile location based on the sequence of operation approved by the Engineer in charge at site irrespective of the location and distance of the boring rig for 500 mm dia. pile including mobilisation and demobilisation after completion of piling works etc., complete. 27 Supplying, fabrication of 6 mm M.S. sheet for making into circular encasing pipe for 500mm dia. pile to the required depthand diameter including welding, placing in position and driving into bore hole including cost of all materilas, MS plate, all labour charges, lead, lift, T&P, primer etc., complete. 28 Boring and concreting of vertical reinforced concrete in RCC M30 using 20mm HBS metal (min. cement content of 400kg/cum) using 20mm HBG metal cast in situ pile of 500 mm dia. for required depth from bottom of pile cap in all classes of soil using pile augers for boringusing Bentonite slurry and filling the boreexcluding cost of steel reinforement but including cost of boring with temporary guide casing, bentonite solution and the length of pile to be embedded in the pile cap including cost of all mateials,labour, Hire charges for T&P, maximum water cement ratio not exceeding 0.45 with admixtures of CONCARE or equivalant make 1.2 lit. per cum. of concrete, as per specification including cost of all materials, labour, lead, lift etc., complete 29 Chipping and dismantling of pile concrete from bed level to cut off level of pile to meet sound concrete and clearing the dismantled concrete from pile location including cost of all labour, lead, lift charges etc., complete. 30 RCCM30 (minimum cement content 320 kg/ cum) using 20 mm HBG metal for pile cap with steel shuttering and steel form work as per drawing including cost and conveyance of all materials, labour, lead, lift, curing etc., complete but excluding cost of steel reinforcement. 31 Supplying and fabricating and placing in position of MS/RTS steel reinforcement for RCCworks including labour for cutting, bending, tying and fixing in position as per specification including cost of all materials, lead, lift, labour, cost of binding wire, etc., complete. 32 Transport of stub, cleat and template including assembling of template, stub and cleat and shifting template from location to location and re-assembling including cost of lead, lift, etc., complete. 33 Labour charges forerection of towers and tower extensions including sorting out of tower parts, tightening, punching of bolts and nuts and rectification of defects if any during erection, one coat of Zinc rich primer, 2 coats of Zinc rich enamel paint, cost of all materials, labour, lead, lift etc., complete. 34 Welding of exposed faces of bolts and nuts 1cm each at two places opposite to each other after tightening, punching to avoid theft of tower parts including cost of welding rods, hire charges for generator includingweldingrods and painting with good quality of zinc paint on the welded portion etc., complete. 35 Transportation & installation of Pipe type earthing earthing for towers including cost of all T&P, labour, lead, lift etc., complete, as directed. 36 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Danger Plate 37 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Number plate 38 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Phase plate (set of Three) 39 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Name plate (set of Two) 40 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Circuit plate (set of Two) 41 Transportation and installation of following tower accessories including cost of all T&P, labour, lead, lift etc., complete, as directed. Anti-Climbing device (Set of four) 42 Labour charges for Paying out & Stringing of 6 Nos of ACSR Zebra conductor including all labour charges for availing shut down on LT /HT lines providing temporary stays fixing arching horn SB dampers aromouring with PA rod whereever required all materials labours lead lift etc..complete 43 Supplying and Transporting, erection, testing and commissioning of 1no. OPGW 48wire including fixing of hardware fittings and accessories etc., complete (Stringing of OPGW is to be done using tension stringing equipments) 44 Labour charges for Transporting and hoisting of120 KNPolymer insulators including cost of all tension fittings, all materials, labour, lead,lift, etc., complete under 45 Labour charges for Transporting and hoisting of90 KNPolymer insulators including cost of all tension fittings, all materials, labour, lead,lift, etc., complete under 46 Supplying, spreading, filling, consolidation of well gravel for formation of approach road and stacking platform for mobilisation of pile equipment to tower site and erection of towers includingcost of well gravel, compaction,casurina props, stacking with sand bags, transport, labour, dismantling & removingthe platform after completion of work, lead, lift, etc., complete. 47 Bailing out of water by pump set during the concrete including cost of diesel pump set5.00 HP cost of all materials, diesel, engine oil, hire charges, labours, lead and lift, etc., complete. 48 Route alignment using remote sensing along with field work with GPS, Preparation of route alignment with remote sensing and field verfication in GTS map using 1 : 50,000 scale, Submission of route map in colour printout of topo sheet in 1 : 50,000 scale using GPS & Remote sensing, Conducting preliminary survey and detailed survey with GPS, Total station & DGPS, plotting profile & tower spotting and submission of report, tower schedule, justification of angle points (25 copies) and profile in duplicate, collection & submission of land available including cost of all materials, transporting, labour, leads, lifts etc., complete as directed by the department Engineer at site. 49 Conducting preliminary survey and detailed survey with GPS, Total station & DGPS, plotting profile with Auto Cad& tower spotting and submission of report, tower schedule, justification of angle points (10 copies) and profile in duplicate including cost of all materials, transporting, labour, lead, lift etc., complete as directed by the Department Engineer at site. 50 Cleaning the tower legs and painting with anti corrosive black paint, 2 coatsto the tower legs1.00m above coping concreteincluding bracings including cost of paint labour, charges, lead and lift etc. Complete
