Electrical works for Balloon Facility in IISER, Thiruvananthapuram

Amount

Supply and installation of flame proof industrial light fixture with IP66 protection suitable for twin LED tube (4ft T8- 2X20W) with Al housing fixture mounted on steel structure using suitable size threaded rod and angle iron work for fixing. (Note: recommended for Zone 1 & 2 & Gas / Vapour group of IIA & IIB LED tube should be <10% THD

Supply and installation of flame proof industrial light fixture with IP66 protection suitable for single LED tube (4ft T8- 1X20W) with Al housing fixture mounted on steel structure with necessary supports for fixing. (Note: recommended for Zone 1 & 2 & Gas / Vapour group of IIA & IIB) LED tube should be <10% THD

Supply, installation testing and commissioning of weather proof Thermoplastic circuit breaker box (IP65) - 2 row 24modules with metric knockouts for cable entry fixed on the existing structural steel work with necessary supoorts as required. Make : Legrand/Henzel

Supplying and fixing following rating, double pole, (single phase and neutral), 240 V, residual current circuit breaker (RCCB),having a sensitivity current 100 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 5A to 32A rating, 240/415V, 10kA, "C" curve single pole miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required. Make : Legrand/Siemens

Single pole

Double pole

Supply of following rated XLPE insulated armoured FRLS power cable of 1.1kV grade of following size as required.

2Cx25 Sq.mm Aluminium cable

3Cx1.5 Sq.mm Copper cable

Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1kV grade of following size in the existing RCC/Hume/Metal/DWC pipe as required.

Upto 35sq.mm

Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1kV grade of following size on wall surface as required.

Upto 35sq.mm (clamped with 1mm thick saddle)

Supplying and making end termination with gland and lugs for following size of PVC insulated and PVC sheathed / XLPE aluminum/copper conductor cable of 1.1kV grade as required.

2 X 25 sq. mm (22mm)

3Cx1.5Sq.mm Ar. Cu XLPE FRLS cable (with Flame proof brass compression gland and copper lugs)

3Cx1.5Sq.mm Ar. Cu XLPE FRLS cable (with brass compression gland and copper lugs)

Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. Direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

50 mm dia (OD-50 mm & ID-38 mm nominal)

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. (For lightning protection and protective earthing.)

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)

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For horizontal run)

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For vertical run)

Providing and fixing testing joint, made of 20 mm X 3 mm thick G.I. strip, 125 mm long, with 4 nos. of G.I. bolts, nuts, chuck nuts and spring washers etc. complete as required.

Providing and laying G.I. tape 32 mm X 6 mm from earth electrode directly in ground as required

AKSHITH ELECTRICALS

Linsta Services