LILO of Ottiyambakkam Guindy 400KV SC Line at Tharamani 400KV SS

Amount

Fabrication, galvanishing and supply of various type of normal, narrow base tower & extension tower parts, tower body/leg extension complete (excluding bolts, nuts and stubs)and including transport charge, hangers,d-shackles and all taxes etc complete as per standard specification -

HT steel

Mild Steel

Fabrication, galvanishing and supply of stub & cleats for various type of normal, narrow base tower & tower extension complete (excluding bolts & nuts) and including transport charge and all taxes etc complete-

HT Steel

Mild Steel

Fabrication, galvanishing and supply of Monopole 400KV MC towers with bolts nuts, extensions Complete as per IS specification including transport charge, all taxes etc complete

Supply of Hot dipped hexaganal GI bolts&Nuts, including step bolts, packing washers and electro galvanished spring washers as per relevent latest IS including transport charge and all taxes etc completeas per standard specification.

Supply of earthing materials for tower including transport chargeand all taxes etc, complete as per standard specification -Pipe type earthing (40mmdia pipe with earthwire&strip materials) for one tower

Supply of earthing materials for tower including transport chargeand all taxes etc, complete as per standard specification -Counter poise type earthing (120m length) for one tower

Supply of following tower accessories including transport chargeand all taxes etc, complete as per standard specification.

Danger Plate

Number plate

Phase plate (set of three)

Circuit plate (set of two)

Anti-Climbing device

Design, manufacture and supply of following line materials as per IS and technical specification including transport and all taxes etc, complete.

MOOSE ACSR CONDUCTOR (54/3.53mm +7/3.53mm)

GS earth wire (7/3.66mm)

120 KN Disc Insulators - Normal

120 KN Disc Insulators - Anti fog

120KN Polymer composite insulator

160 KN disc Insulators - Normal

160 KN disc Insulators - Anti fog

160KN Polymer composite insulator

Optic fibre ground wire with 48 fibres as per technical specification including cost of all required suitable tension clamp, suspension clamp, vibration dampers, joint/junction boxes for OPGW and all accessories including transport and all taxes etc, complete as per standard specification.

Fibre Optic Approch cable with 48 fibres with suitable HDPE pipe including all accessories for laying, jointing, connection including transport and all taxes etc, complete as per standard specification.

Hardware fittings as per standard specification

Single I suspension Piolt string suitable for Twin moose ACSR 1x24 120 KN Disc Insulators with counter weight 8 nos 25 kg/4 nos 50 kg each.

Twin Tension hard ware fitting suitable for Twin moose ACSR 2x24, 160 KN Disc Insulators

Single Suspension hard ware fitting suitable for Twin moose ACSR 1x23, 120 KN Disc Insulators

T - connectors suitable for TWIN MOOSE ACSR for Transposition tower

Accessories for conductor &earth wire including transport charge and all taxes etc, complete as per standard specification.

Mid span compression joint for ACSR MOOSE conductor

Repair sleeve for ACSR MOOSEcondutor

Spacer Damber for Twin ACSR MOOSE conductor

Rigid spacer for Twin ACSR MOOSEconductor

Earth wire tension clamp for 7/3.66mm EW.

Flexible copper bonds

Midspan compression joint for 7/3.66 mm Earth Wire

Vibration damper for Earth wire 7/3.66mm

CIVIL WORKS AND ERECTION WORKS

Detailed Survey including route alignment, profiling tower spotting optimization of tower location including check survey, jungle clearance, tree cutting etc complete including submission off route alignment map-5set and profile roll in duplicate along with coordinates.

Conducting check survey in the already fixed route, Fixing of tower location and pit marking. jungle clearance, tree cutting etc complete as per standard specification and as directed by the engineer incharge.

Submission of tower/Narrow based tower/Monopole design as per the space availability at site including calculation of wind pressure sag tension calculation, Leg member design calculation, tower sppoting details, strigging chart drawings , design calculations, detailed drawings etc., as per technical specifications and relevant latest IS. (Each sets of Design and Drawings with Soft Copies) - Wind Zone - 5

Submission of foundation design & drawings for various types of towers (normal & extensions) and based on all type of soil conditions and pile foundations for which the drawings not furnished by TANTRANSCO as per the site requirements and technical specifications, relevant latest IS. (Each 5 sets of Design and Drawings with Soft Copy) - FOR WIND ZONE - 5

Detailed soil investigation

All kinds of soil except fissured rock & Hard rock

FSS requires Pile Foundation up to required depth

Benching

All kinds of soil except fissured rock and hard rock

Fissured rock

Hard rock

Work Associated with tower foundation Excavation in various types of soil in

HGS SS .20 B Earth work excavating and depositing on bank .

SDR Not requiring blasting.

MR & DMR Not requiring blasting.

MR & DMR requiring blasting.

Hard rock requiring blasting.

Removing hard rock by wedging chiseling where blasting is prohibited.

Concreting including all associated works related to foundation

RCC - M20 Nominal concrete Mix with form work

M10 Nominal Concret Mix

Transport of piling and boring equipments such as boring 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 pile including mobilisation and demobilisation after completion of pilling works etc., complete.

Supplying, fabrication of 6 mm M.S. sheet for making into circular encasing pipe to the required depth and diameter including welding, placing in position and driving into bore hole including cost of all materilas MS plate, all labour charges etc., complete.

For 1000mm dia pile

For 1200mm dia pile

Boring and concreting of vertical reinforced concrete pile upto required depth in all clauses of soil using pile augurs for boring using Bentonite slurry and filling the bore with RCC M30 with cment content not less than 400 Kg/Cum 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).

For 1000mm dia pile up to 15m depth

For 1000mm dia pile above 15m depth

For 1200mm dia pile up to 15m depth

For 1200mm dia pile above 15m depth

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

PCC 1:3:6 using 20 mm HBG metal for base course for Pile cap without formwork including cost and conveyance of all materials, labour, lead, lift etc., complete.

RCC M30 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 - M30, with 20mm HBG m/c metal with form work including cost of all materials, cement, all labour, lead, lift, etc. complete for protection of tower leg.

Supply and Placement of reinforcement steel including cost of steel, binding wire, all labour, lead and lift etc. complete.

Transport, installation of stub & cleats in position & alignment including cost of template assembly, prop setting arrangements transportation charges etc, complete.

Transport & erection of various type of towers, tower extension, monopole (complete) including tack welding of bolts & nuts with application of one coat of zinc rich primer and two coats of zinc rich enamel paint over the welded portion and Anticorrosive painting two coats upto bottom of cross arm as per relevant technical specification / directions by department Engineer at site.

Transporation and instalation of earthing of towers.

Pipe type earthing

Counter poise type earthing

Transportation and installation of following tower accessories

Danger plate

Number plate

Phase plate (Set of three)

Circuit plate (Set of Two)

Anticlimbing device (Set of Four)

Installation of insulator strings complete with arcing horns & necessary hardware fittings, stringing of Twin moose for Double Circuit line including fixing of conductor accessories, providing jumper etc. Complete for the line (Stringing of conductor is to be done using tension stringing equipment)

Installation & stringing of 1No. 7/3.66 mm earth wire including fixing of hardware fittings and accessories etc., complete for the line (Stringing of earth wire is to be done using tension stringing equipment)

Installation & stringing of 1No. OPGW 48 Fibres including fixing of hardware fittings and accessories etc., complete for the line (Stringing of OPGW is to be done using tension stringing equipment)

Installation & Stringing of 1 No ADSS cable 48 fibres for inter connecting OPGW cable with the terminal gantry at the substation including cost of HDPE pipe protection and all accessories.

Transport & installation of aviation signals where ever necessary including cost of required number of obstruction lights (medium, low intensity), span markers, paint etc., and painting of towers above 45 m from ground level as per relevant latest IS 5613 and technical specification including cost of all lead, lift , labour etc., complete.

Final checking of newly erected tower line to ascertain all tower members and using correct size of bolts and nuts, hardware fittings, insulators with cotter pin, arching horns as per the standard requirement and providing necessary vehicle arrangement and tools and plants to the TANTRANSCO authorised persons before commissioning of the line.

Final checking of conductors and earthwire along the route and ensure the electrical clrearance from trees /buildings etc along the route

Preparation and submission of Project Report - 5 sets in hard copy "AS BUILT" such as Route map,Key plan ,tower schedule ,approch road details for inerior towers, EHTcrossing /Railway /NH/Major Road crossing,Tower footing resistance, Longitude & Laittude details of towers and other relavant details with a soft copy in CD etc.,complete.

Providing special type trussels for Road crossing with labour all materials lead lift etc complete as directed by the Engineer at site.

Providing approach road for transporting men and materials piling equipments and all other accesories in and along the the Indian ocean backwaters area for piling ,concreting,erecting and stringing works by filling with quarry rubbish, gravel for making approach including cost of all materials ,lead, lift ,etc complete .

Providing cofferdam bund around the proposed tower locations for making working space for tower foundation works,moving and fixing piling equipments ,by filling in empty polythene bags including cost of filling sand,stitching,stacking at site,and laying in the work spot,driving of casurina props to retain the laid sand bags till the completion of foundation works ,erection and stringing works including cost of sand, polythene bags all labour lead lift etc complte.

Transport, Hire charges for Pantoon (Water floating Barges) for the movement of piling RIG to tower location in water stored area in marshy land including cost of all hire charges, loading, unloading, transport all labour lead lift etc complte.