Electrical works for providing power connection and dedicated Earthing for new powder XRD machine in CIF-101J at IISER TVM campus, Vithura

Amount

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit/UPVC Trunking as required.

3 x 4 sq. mm

3 x 6 sq. mm

2 x 16 sq. mm + 1 x 6 sq.mm earth wire

Supplying and fixing of following sizes of medium class PVC/flexible conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing of following sizes of UPVC Cable Management System/Mini Trunking System along with accessories on surface including supply of fixing materials, interconnecting clamps,bends,end caps, joint covers, internal and external corners, dividers, fixing screws as required

25mm x 12mm

Supplying and fixing suitable size GI/PVC/CMS box/Floor box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required. (White colour for normal power supply and Black colour for UPS power supply) Make-MK Blendz

Supplying and fixing FP sheet steel enclosure on surface/ recess along with 25/32 A 240 V "C" curve DP RCBO 100mA complete with connections, testing and commissioning etc. as required. Make Legrand lexic/L&T

Supplying and fixing FP sheet steel enclosure on surface/ recess along with 63 A 240 V "C" curve DP RCBO 100mA complete with connections, testing and commissioning etc. as required. Make Legrand lexic/L&T

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole Make Legrand lexic

Supplying and fixing 40 amps to 63 amps rating, 240/415 volts, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole Make Legrand lexic

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with Earth enhancing mineral (20 Kg) as required as per IS 3043. Earth enhancing mineral compound is used for improving the soil conductivity. Earth enhancing mineral compound shall be so designed and constructed that in normal use their performance is reliable and without danger to persons and the surroundings. The material shall be mineral inert to sub soil and shall not pollute the environment. It shall provide a stable environment in terms of physical and chemical properties and exhibit low resistivity. It shall not be corrosive to the earth electrode itself. The material should have a resistivity less than 0.2 Ohm meter. It should be free from hazardous substances Earth enhancing Make Cape/OBO

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

Supplying and laying 25 mm X 3 mm copper strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required.(Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50 mm)

Providing and fixing 25 mm X 3 mm copper strip on surface or in recess for connections etc. as required. Note The strip shall be covered with green insulated sleeve

RAJENDRAN NAIR S (BID ID -3346692)