Shifting of 33 kV and 11 kV Overhead Cables to Underground Cable System near RSS LP1 Substation at North campus of IIT Mandi

Providing and fixing H.T. danger notice plate of 250 mm X 200 mm, made of mild steel, at least 2 mm thick, and vitreous enameled white on both sides, and with inscription in single red colour on front side as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

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 as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 kV grade of upto 120 sq. mm in the existing RCC/Hume/Metal pipe as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 kV grade of upto 120 sq. mm in the existing masonry open duct as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 33 KV grade of upto 120 sq. mm in the existing RCC/Hume/Metal pipe as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 33 KV grade of upto 120 sq. mm in the existing masonry open duct as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 95/120 sq. mm of 3 core, XLPE aluminium conductor cable of 11 KV grade as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for 120 sq. mm of 3 core, XLPE aluminium conductor cable of 33 KV grade as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Erection of metallic pole above 10 meter and up to 12 meter in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required.

Dismantling of overhead lines comprising of aluminium overhead conductor, G.I. wire, cross arms, insulators etc. as required.

Dismantling of pole/strut embedded in cement concrete foundation etc. as required.

Supplying of 50 mm X 8 mm M.S. flat iron pole top bracket/ cross arm for single 11/22/33 KV overhead line conductor complete with fixing clamps, bolts, nuts and washers drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required.

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required.

Supplying and erection of galvanised stay set for 33 KV overhead lines complete with 19/ 20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm thick, thimble, stay clamps, turn buckle ( 20 mm X 600 mm ), 7/ 4.00 mm dia G.I. stay wire and 33 KV strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling etc. as required.

Supplying and erection of 33 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and erection of a set of three 11 KV disc insulator for 33 KV overhead lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and erection of single piece nonlinear resistor type lightning arrestor suitable for 3 wire, 33 KV overhead lines with rated voltage 30 KV (rms) with a nominal discharge current rating of 10 KA (station class) and complete with galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Providing, laying and fixing 300 mm dia RCC pipe NP2 class (light duty) in ground complete with RCC collars, jointing with cement mortar 1:2 (1 cement: 2 fine sand) including trenching (75 cm deep) and refilling etc as required. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and laying of 120 mm dia (OD-120 mm & ID-103 mm nominal) 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. in the existing trench as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and laying of 120 mm dia (OD-120 mm & ID-103 mm nominal) 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 as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, all kinds of soil as directed by Engineer-in charge.

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Painting with aluminium paint of approved brand and manufacture to give an even shade. Two or more coats on new work

Supplying of ACSR 6/1/4.72 (100 mm²) Dog conductor as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying of 11 Meter long Steel Tubular Poles (Working Load > 227 kgf/m²) as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and fixing of Barbed Wire on poles for safety purpose etc. as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supply and erection of GO AB Switch Unit (33 kV, 400A, 25 KA) Tripple pole O/D type as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying of 3 Core x 95 Sq. mm of 6.6 kV (UE)/11 KV (E) HT cables, Stranded Compacted Circular Aluminium Conductor, Conductor Screen with Extruded Semi Conducting Compound, XLPE Insulated, Insulation Screening with Extruded Semi Conducting Compound in Combination with Copper Tape, Cores Laid Up, Inner sheath of PVC, Galvanised Steel Flat Strip Armoured, & Overall PVC Sheathed Cable Conforming to IS 7098 (Part-2) 2011 with up to Date Amendments as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying of 3 Core x 120 Sq. mm of 33 KV (E) HT cable, Stranded Compacted Circular Aluminium Conductor, Conductor Screen with Extruded Semi Conducting Compound, XLPE Insulated, Insulation Screening with Extruded Semi Conducting Compound in Combination with Copper Tape, Cores Laid Up, Inner sheath of PVC, Galvanised Steel Flat Strip Armoured, & Overall PVC Sheathed Cable Conforming to IS 7098 (Part-2) 2011 with upto Date Amendments as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Erection of GO AB Switch Unit (33kV, 250A/400A, 25 KA) Tripple pole O/D type as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying of one length of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 33 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

Supplying of one length of channel iron 100 mm X 50 mm X 5 mm (7.14 kg per metre) double pole cross arm for three wire 33 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

Dismantling of 33 KV four pole structure including all accessories, fittings, insulators, hardware, clamps, conductor jumpers, and other connected material in all respect as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Erection of 33 KV pin insulator complete with large steel head G.I. pin, nuts, washers etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Erection of a set of three 11 KV disc insulator for 33 KV overhead lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supply and erection of Drop Out fuse unit for 33KV/0.415 KV Sub-station Transformer unit complete as required as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

Supplying and installation of numerical Protection relay for 11 KV VCB Panel complete in all respect as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all leads and lifts.

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