Deviation of 230 KV EHT towers line for the formation of Chennai Peripheral Ring Road

Amount

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

Stubs & Cleats MS

GI Tower parts MS

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 complete as per standard specification.

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

ACSR Zebra Conductor

OPGW 24 Fibre

120 KN polymer insulators suitable for Zebra conductor

90 KN polymerinsulators suitable for Zebra conductor

Supply of the following Hardware fittings as per standard specification

Single suspension fittings for Zebra

Single Tension fittings for Zebra

Double Tension fittings for Zebra

Supply of the following Accessories for conductor &earth wire including transport charges and all taxes etc, complete as per standard specification.

Mid span compression joint for ACSR Zebra conductor

Repair sleeve for ACSR Zebra conductor

Vibration Damper for Zebra conductor

Earth wire suspension clamp for 7/3.66mm EW.

Earth wire tension clamp for 7/3.66mm EW.

Flexible copper bonds for earth wire

Midspan compression joint for 7/3.66 mm Earth Wire

PA Rods for Zebra

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

Number plate

Danger board

Phase Plate

Circuit plate

Anti-Climbing devices

Name Plate Near road

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 including cost of all materials, transporting, labour, leads, lifts etc., complete as directed by the department Engineer at site.

Clearing light jungle for surveying including cost of all labour, leads, lifts etc., complete as directed by the Engineer-in-charge

Conducting Check survey in the already fixed route, fixing of tower locations and pit marking as directed by the Engineer-in-charge

Forming approach road by cutting/filling with good quality earth / quarry rubbish over slushy soil including cost of materials , transport charges all labour lead and lift etc. complete as per standard specification.

Providing temporary foot bridge with casuarina props for carrying men and materials to the tower spot in all types of slushy soil / water logged area / marsh land including cost of materials , labour ,l ead & lift etc complete (Width of bridge - 2m) as directed by the Engineer-in-charge.

Formation of working platform for each tower with good quality earth over slushy soil including cost of materials , transport charges all labour lead and lift etc. complete as per standard specification and as directed by the Engineer-in-charge

Earth work excavation for sinking of wells in hard gravelly soil,stiff clay, black cotton soil, with initial lead and lift of etc., complete. as per standard specification and as directed by the Engineer-in-charge

Upto 2m depth

Above 2m depth

Supply and erection of well rings of 2400 mm dia for Rain water harvesting, foundation pit and Soak pit each measuring 0.3m in depth for a depth of 3.45 m as per standard specification and as directed by the Engineer-in-charge

PCC 1:2:4 using 12 to 20mm ISS HBG Stone for foundation without form work including cost of cement all materials and labour etc., complete. as per standard specification

PCC 1:2:4, with 20 mm ISS HBG metal for the tower foundation including cost of all material lead, lift etc., complete.With form box for muffing and coping as per standard specification

Plastering with cement mortar 1:3, 12mm thick including cost of all materials, labour, lead, lift, etc., complete. as directed by the department Engineer at site as per standard specification

Transport, installation of stub & cleats in position & alignment including cost of template assembly, prop setting arrangements transportation charges etc, complete and as directed by the Engineer-in-charge

Transport & erection of various type of towers, tower extension (complete) including tack welding of bolts & nuts, supply of zinc rich primer, enamel paint and application of one coat of zinc rich primer and two coats of zinc rich enamel paint over the welded portion as per technical specification and as directed by the Engineer

Pipe type earthing as per standard specification and as directed by the Engineer-in-charge

Labour charges for Transporting and hoisting of 120 kN Antifog Single tension polymerinsulators of 14 units under LC condition including cost of all labour, lead, lift etc. complete. Under LC condition as directed by the Engineer-in-charge

Labour charges for Transporting and hoisting of 90 kN Antifog Single tension polymer insulators of 13 units under LC condition including cost of all labour, lead, lift etc. complete. Under LC condition as directed by the Engineer-in-charge

Installation of insulator strings complete with arcing horns & necessary hardware, stringing of 6nos of Zebra conductor (2 circuites) including all Labour charges for transporting and paying out, jointing, rough sagging, tensioning, clipping, providing vibration dampers including giving jumper connections for lead lift etc., complete as directed by the Engineer in charge with safety and precaution under L.C condition

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

Providing tack welding of all the bolts & nuts (at least 3 places in erected towers from GL to X-arm bottom level including painting of welded portion with two coats of best quality of cold galvanised paint having at least 90% zinc content and approved by the engineer at site including cost of paint andall other materials lead lift etc complete

Strengthening of damaged tower legs with new absolute angles and welding continously and labour for fabrication erection galvanising wth all labour lead lift etc complete

Arranging and availing shutdown on LT / HT lines for stringing operation including cost of all lead and lift etc. complete.

Hire charges for engaging JCB for formation of road and levelling undulations for transport of Conductor drum etc. complete.

Providing well supported trussels up to 5m height for road crossing including cost of all materials labour, lead, lift etc complete as directed by the engineer at site.

Labour charges for dismantling of existing tower including all labour, lift, etc complete and stacking the same at the place as directed by the Engineer-in-charge

Labour Charges for Dismanteling of Zeebra conductors 6 Nos under L.C condition and stacking the same at the place as directed by the Engineer-in-charge

Labour charges for dismantling GI Earth wire - 1 No. under LC condition and stacking the same at the place as directed by the Engineer-in-charge

Dismantling the insulator string including cost of labour for releasing, Tools and plants transporting charges from site etc complete for 14 units of 120 KN Disc Insulators and stacking the same at the place as directed by the Engineer-in-charge

Dismantling the insulator string including cost of labour for releasing, Tools and plants transporting charges from site etc complete for 13 units of 90 KN Disc Insulators etc complete and stacking the same at the place as directed by the Engineer-in-charge

SM Tower Technology