GENERAL Dam Safety Meenkara dam Earthing arrangements for the electrical installation General Electrical Work

Earthing

5.11:Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

5.4:Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

OD73599/2025-2026:Supplying , threading , laying and jointing of the following sizes of B class GI pipe with all required accessories in ground in the existing trench as protective covering to earth leads.40 mm dia

5.15:Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

5.9:Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

90.15.4.5:Supply Conveyance, installation, testing and commissioning of 40W LED Flood light output greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surge protection up to 8 KV,and Aluminium pressure die-cast Powder coated housing, acrylic cover complete with THD less than10%, power factor greater than 0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer)

90.15.4.2:Supply Conveyance, installation, testing and commissioning of 36/40W LED street light output greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surge protection up to 8 KV,and Aluminium pressure die-cast Powder coated housing,acrylic cover complete with THD less than 10%, power factor greater than 0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer)

90.3.18.1:Supply, fabrication, conveyance and fixing the following sizes of B class GI pipe bent to shape / cut and welded to shape and fixing the same to wall / parapet using clamps as noted along with each size, painting with 2 coats of synthetic enamel paint over a coat of zinc chromate primer, making good the damages, colour washing etc as required.25 mm dia with HG company fabricated clamps

90.12.7.1:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.2 core 4 sq mm with factory made clamp

OD72527/2025-2026:Fixing of exhaust pipe of generator in the correct position.

OD72431/2025-2026:Charges for refitting the shutter hoisting motor in position after levelling and correcting alignment to main shaft pulley and shutter hoisting pulley using spirit level and screw gauge etc including greasing the shafft, bearing and pulley set etc and conducting trial run at full load.

OD257809/2025-2026:Dismantling the 5-10 HP motor into stator and rotor, cleaning the windings attending minor repairs, re taping the coils if necessary, varnishing the coils with best quality insulation varnish, cleaning and greasing the bearings with good quality grease,heating the windings, reassembling, including scrapping, cleaning and painting with enamel paint

OD72433/2025-2026:Charges for dismantling the top cover of existing shutter hoisting motor up to 7.5 HP carefully and detaching the coupling pulley sets of main shaft and manually operating shutter hoisting unit, dismantling the electrically working shutter brake after disconnecting the supply line and dismantling the motor

OD257817/2025-2026:Replacing old bearing and supply new bearing bearing no 6208SKF/FAG OR equivalent

90.15.4.9:Supply Conveyance, installation, testing and commissioning of 150W LED Flood light output greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surge protection up to 8 KV,and Aluminium pressure die-cast Powder coated housing, acrylic cover complete with THD less than 10%, power factor greater than 0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer)

90.10.1.4:Supply & Fixing the following types/ sizes of boxes suitable for modular accessories in surface/ recess including making good the damages, colour washing etc as required (RoHS compliant )4 module moulded plastic box on surface

1.24.1:Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.5/6 amps switch

1.28.3:Supplying and fixing following Modular base & cover plate on existing modular metal boxes etc. as required.4 Module