Manufacture supply erection testing commissioning of 400 kV DC line with Quad Moose ACSR conductor from Udangudi Pooling Station to Common point Loc. AP 45 of Kayathar Thennampatti 400 kV line DC line Reach I From Udangudi to Loc. 104

Tower Parts Fabrication, gavanishing and supply of various type of normal tower & extension tower parts, tower body / Extension complete (excluding bolts, nuts and stubs) and including trasport charge, hangers, d-shackles, packwasher etc., Mild Steel

HT steel

Fabrication, gavanishing and supply of stub & cleats for various type of normal, narrow base tower & tower extension complete (excluding bolts, nuts )and including trasport charge etc Mild Steel

HT steel

Supply of Hot dipped GI bolts & Nuts including step bolts and spring washers for tower, extensions stubs including transport charge. Hex. bolts and Nuts including step Bolts

Supply of earthing materials for tower including transport charge Pipe type earthing

Counter poise type earthing (120m length)

Supply of following tower accessories including transport charge. Danger Plate

Number plate

Phase plate

Name board

Anti-Climbing device

Circuit plate

Steel ladders for raised chimney

Design,manufacture and supply of following line materials as per and technical specification including transport chrges. Moose ACSR (54/3.53mm +7/3.53)

GI earth wire -7/3.66mm size

120 KN, 11 KV disc insulator

160 KN, 11 KV disc insulator

Optic fibre ground wire as per technical specification including cost of all required suitable tension clamp, suspension clamp, vibration dampers, joint/junction boxes for OPGW and all accessories etc complete.

Fibre Optic Approach cable with 48 fibres with suitable HDPE casing pipe including FODP panel, all accessories for laying, jointing, connection etc complete

Hardware fittings Double '' I '' Suspension hardware fittings suitable for quad moose ACSR 2x23, 120KN Disc insulator.

Single '' I '' Suspension hardware fittings with counter weight 8 Nos 25KG each suitable for quad Moose ACSR 1x23, 120 KN Disc insulator.

Tension hard ware fitting suitable for quad moose ACSR, 4x24, 160 KN Disc insulator.

Accessories for conductor &earth wire including transport charge Mid span compression joint for ACSR Moose conductor

Repair sleeve for ACSR Moose condutor

Bundle Spacer for ACSR Moose conductor

Rigid spacer for ACSR conductor

T connector suitable for Moose Conductor for transposition arrangements

Suspension clamp for Earth wire 7/3.66 mm

Tension clamp for Earth wire 7/3.66mm

Flexible copper bonds

Midspan compression joint for earth wire 7/3.66 mm

Vibration damper for Earth wire 7/3.66mm

Supply of Bird flappers

Design Submission of transposition arrangement details in DC type towers including design calculations detailed drawings as per technical specification relevant latest IS

Submission of foundation design and drawings for various type of towers (normal and extensions) for which the drawings not furnished by TANTRANSCO such as pile foundation / well foundation or any other type of special foundation as per the site requirements and technical specifications and relevant latest IS. for DA, DB, DC & DD type towers.

Survey Route alignment for erection of 400 kV line by using Remote Sensing for a stretch from Kayathar to the Udangudi Pooling Station conducted by Remote Sensing Institute / Anna University / Guindy / Chennai

Conducting Check Survey

Detailed Soil investigation All Kind of Soil Except fissured rock &hard rock

Fissured rock

Hard rock

Benching All Kind of Soil Except fissured rock &hard rock

Fissured rock

Hard rock

Excavation in Various types of Soil HGS

DMR requiring Blasting

Hard Rock

Wedging and chisseling

Concreting including all associated works related to foundation M20 Nominal concrete Mix with form box

M10 Nominal concrete Mix

Supply and Placement of reinforcement steel

Pile foundation Forming bund with good quality earth filled with empty gunny bags including all labour over slushy soil, cost of all materials, tranport charges, all labour, lead, lift etc., complete

Transport of piling and boring equipments such as Rig, winches, motors, bentonite pump, shells, boiler casing pipe, etc., to location by pulling into river using crane including transport and hire charges etc., complete.

Setting of pilling and boring equipement, tripod with all accessories and tools at each pile location based on the sequence of operation approved by the Engineer incharge at site irrespective of the location and distance of the boring rig for 500 mm dia pile including mobilisation and demobilisation after comletion of pilling works etc., complete.

Supply, fabrication of 6mm M.S sheet for making into circlular encasing pipe to the depth of 10m and diameter of 1000 mm including welding, placing in position and driven into bore hole including cost of all materials and MS plate, all labour charges etc., complete.

Boring and concreting of vertical reinforced concrete pile 1000 mm dia upto required depth from tip of the in all clauses of soil using pile augurs for boring using Bentonite slurry and filling the bore with RCC M20 concrete using 20 mm machine crushed metal and a maximum water cement ratio not exceeding 0.50 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 (But excluding cost of steel reinforcement).

Chipping and dismantling of pile concrete from bed level to cutoff level of pile to met sound concrete and clearing the dismantled concrete from pile location including cost of all labour charges etc., complete.

Earthwork excavation in sand or other loose soil not under water, silt, black cotton soil, sandy loom, ordinary soil etc., and depositing the same on bank within initial lead and lift etc., complete.

Providing shoring and shuttering during excavation and concreting works using country wood planks and scantlings including cost of all materials and all albour charges, lead and lift etc., complete.

Dewatering using 3/5 HP diesel engine during excavation and concreting including fuel and other chares, lead and lift etc., complete.

PCC 1:3:6 using 40 mm HBG metal for base course for Pile cap without formwork including cost and conveyance of all materials, labour, lead, lift etc., complete.

RCC M25 using 12 to 20 mm HBG metal for pile cap and for Tie beam with steel shuttering and steel form work as per drawing including cost and conveyance of all materials, labour, lead, lft etc., complete but excluding cost of steel reinforcement.

RCC M20 using 12 to 20 mm HBG metal for Piers for tower legs with steel shuttering and steel form work as per drawing including cost and conveyance of all materials, labour, lead, lft etc., complete but excluding cost of steel reinforcement.

Transportation and installation of Stub

Transportation & eretion of various type of tower

Protection of tower footing RR masonary

M10 Nominal concrete for top seal cover of revetment

Back filling the area enclosed by revetment

Transportation &installation of earthing of towers Pipe type earthing

Counter poise type earthing

Transportation and installation of following tower accessories Danger Plate

Number plate

Phase plate

Name board

Circuit plate

Anti-Climbing device

Steel ladders for raised chimney

Installation of insulator string complete with arcing horns & necessary hardware, installation &stringing of Quad moose conductor For KM

Installation & Stringing of 1 No 7/3.66mm earth wire For KM

Installation & Stringing of 1 No OPGW including fixing of hardware fitting

Installaton and laying of 1 no fibre optic approach cable with 48 fibre in suitable HDPE pipe including jointing connection with accessories etc complete.

Transportation & installation of aviational signals

Submission of design, general arrangement drawings, shop floor drawings and bill of materials for extension for any type of tower if any required as per site requirement and as per technical specification and relevant latest IS

Installation of Bird flappers

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