Upgradation of 66kV Substation, Alappuzha to 110kV level Erection of Control and Relay Panel, Laying and termination of control cable for feeder bays, Bus Coupler bay and Transformer bays

Uncoiling 20/19 core 2.5sqmm, 12 core 4 sqmm control cable (Armoured or unarmoured) from cable drums cutting to required length and laying through trench/pipe/cable tray grouping the same neatly using cable tie and carefully including for providing loop wherever necessary and providing cable marker at both ends of cable as per direction of departmental staff at site.

Uncoiling 12/7/6 core 2.5 sq mm control cable (armoured and unarmoured) from cable drums and cutting to required length and laying through trench/pipe/cable tray grouping the same neatly using cable tie and carefully including for providing loops wherever necessary and cable marker, at both ends of cable as per direction of departmental staff at site.

Uncoiling 4/2 core 2.5sqmm control cable (armored or unarmored) from cable drums and cutting to required length and laying through trench/pipe/cable tray neatly and carefully including for providing loops wherever

Uncoiling 5/4/3/2 core 4sqmm control cable(armoured or unarmoured) from cable drums and laying through trench/pipe/cable tray neatly and carefully including for providing loops wherever necessary and cable marker at both ends of cable as per direction of departmental staff at site.

Fixing all type of terminal connecting strip with terminal connectors in the marshalling box or panel board wherever necessary (terminal connecting strip will be supplied departmentally ) charges includes for providing necessary suitable hole etc complete as per direction of departmental staff at site.

Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 20/19 core 2.5sqmm cable/12 core 4 sqmm cable (using gland of size 28-32mm)

Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 12/7/6 core 2.5 sqmm cable (using gland of size 25mm).

Termination of cables in panel by using cable glands of fixing the cable rigidly by any means as per direction of departmental staff at site charges include for providing necessary suitable hole in the gland plate etc. for 4/2 core 2.5 sq mm cable/4/2 core 4 sq mm cable (using gland of size 16-22mm).

Doing termination of all sizes of PVC insulated copper control cable 2.5 mm², pealing, providing number and letter ferrules in the wire, stripping ends, crimping with suitable lugs and connecting to the terminals in the panel board and marshalling kiosk etc., neatly and carefully including cost of copper sockets and ferrules as per the direction of Departmental Officers at site.

Doing termination of all sizes of PVC insulated copper control cable 4.0 mm², pealing, providing number and letter ferrules in the wire, stripping ends, crimping with suitable lugs and connecting to the terminals in the panel board and marshalling kiosk etc., using cable tie and cable tie neatly and carefully including cost of copper sockets and ferrules as per the direction of Departmental Officers at site.

Custom Data for lifting the cover slab of cable trench and closing after laying cable (Sanctioned observed data avialble)

Supplying aluminium cable tags punching number and alphabets up to 7 digits and binding to cable using copper wire including cost of all materials as per the direction of Board Officials at site.

Unpacking the transformer / feeder C&R panels, 110V battery charger, OLTC cubicle LT panel at the place of storage transporting to the place of erection and erecting after providing foundation bolt keeping to lines and levels as per the direction of departmental officers.

Fixing departmentally supplied marshalling kiosk in the existing PT/CT structure by making suitable fixing arrangements including cutting , welding, drilling holes etc as required.

Loading one Control/Relay panel/battery charger to department lorry after lifting the same from the stacked place carefully without causing any damages to panel and accessories and make it ready for transporting the same as per the direction of department officers.

Unloadingone Control/Relay panel, battery charger from department lorry carefully without causing any damages to panel and accessories and lift the same to a safe place for storage as per the direction of department officers.

Preparing wiring schedule per transformer / feeder bay of 110 or 66kV with details of type of cable, core and colour, ferrule No. and terminal no of equipments/panels including giving full details in A4 sheet with computer print providing outer border line and sheet no etc. and supplying in the shape of book with special binding etc. and assisting the departmental officers at the time of relay testing and commissioning

Laying of departmentally supplied GI strip/Copper strip of suitable size including cleaning and neatly bending of strips ,cutting, removing of metal/earth in the yard and burying earth strip to the required depth re- doing the yard metalling as per the direction of the departmental officers.

Welding overlapping joints of 50x6mm GI strip with 50mm long, 6mm thick welding on all three sides after doing 2 Nos. bolted joints at the centre as specified after cleaning the surface. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes( No.E7018) cost of anti corrosive paint etc. complete.

Welding one end of the bended GI strip of size 50x6mm with the riser of the already laid earth mat, welding 150mm in length, 6mm thick on both sides & end of the strip and connecting other end with nuts & bolts if required as per the directions of the department officers. Charges includes hire charges of DC arc welding set, current charges, cost of low hydrogen content DC arc welding electrodes(No.E7018) cost of anti corrosive paint etc. complete

Fabrication of structures for erecting equipments. The GI & MS angles will be supplied departmentally

Picking up 40mm broken stone from the yard and stacking at suitable place including conveyance etc complete as per the direction of officers at site

Collecting 6mm broken stone from the yard and stacking at suitable place including conveyance etc complete as per the direction of officers at site

Spreading the 6mm metal in the yard which is stacked at 150 m away from the yard to a thickness of 10 cm to lines & levels as per the Direction of Department officers at site.

Spreading the 40mm metal in the yard which is stacked at 150m away from the yard to a thickness of 15 cm to Lines & Levels as per the Direction of Department officers at site

Drilling hole of various sizes on existing Channel/Cross Arm

Cutting Channel/Cross Arm/Angle Iron into two pieces.

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5m in width as well as 10 sqm on plan including disposal of excavated earth up to 50 m and lift up to 1.5 m, disposed soil to be levelled and neatly dressed:All Kinds of soil

Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 75 mm dia 6 Kgf/ cm2

Providing and fixing PVC pipes includings jointing of pipes with one step PVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. 110 mm dia 6 Kgf/ cm3

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement - 75 mm dia Bend

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement -75x75x75 mm dia Tee

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement - 110x75 mm dia Reducer

Providing and fixing PVC moulded fittings/ accessories for Rigid PVC pipes, including jointing with PVC solvent cement- 110 mm dia Bend

Boring RCC slab above 12cm and up to 15cm thick for providing pipes or fittings of size 80mm to 100mm and rectifying slab with cement concrete 1:2:4 using 20mm broken stone and finishing the top and bottom with cement mortar after placing the pipe or fittings.

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