PROVN OF LT OVER HEAD ELECTRICAL TRANSMISSION SYSTEM AT INDOOR BOULDERING COMPLEX, ANIMAL SHED AND THE LIVING AREA NEAR OP BABA AT BASE CAMP TO SIACHEN GLACIER UNDER GE 873 EWS

Amount

M&L Steel Tubular swaged poles type 410 SP-31 (9.0 mtr long) conforming to IS : 2713 Part-I to III 1980, complete with 6 mm thick mild steel base plate, finial taper plug, MS bolts, nuts, screws including painting upto 1.5metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface over one coat of primer, complete all as specified and directed.

S&F Aluminium conductor, steel reinforced Weasel type conductor nominal area of aluminium conductor should be 25 sqmm, complete all as specified and directed.

S&F Voltage stabilizer for automatic operation, three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 480 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 200 KVA at Base Camp, complete all as specified and directed.

S&F in replacement Pin type porcelain vitreous white, brown or green insulator including one galvanized spindle two GI washer and one GI nut 100 mm height, 65 mm dia for 1100 volts grade, complete all as specified and directed.

S&F in replacement Sackle type porcelain vitreous white, brown or green insulator including one galvanized spindle two GI washer and one GI nut 75 mm height, 90 mm dia for 1100 volts grade complete all as specified and directed.

Supply, laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 1100 volts 3.5 core,Earthed, grade cross sectional area of size 95 sqmm complete all as specified and directed.

Supply, laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 1100 volts 3.5 core,Earthed, grade cross sectional area of size 70 sqmm complete all as specified and directed.

Supply, laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 1100 volts 3.5 core,Earthed, grade cross sectional area of size 50 sqmm complete all as specified and directed.

Supply, laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 1100 volts 4 core,Earthed, grade cross sectional area of size 16 sqmm complete all as specified and directed.

S&F 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspen ded by insulating hangers not more than 1 metre apart including4mm suspension wire, one twin core cable flat or circular 10 sqmm dia complete all as specified and directed.

M&L for Stay assembly complete with stay rod 20mm and accessories as shown in electrical plate No 1 (Loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and directed.

M&L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size (size of cross arm 50 x 50 x 8mm) as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as specified

S&F of Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 22x20cm complete all as specifeid and directed

S&F Vice type line connectors consisting of two brass plates, and two steel bolts and nuts for 2 conductors of equal or unequal sizes, for non-tension connections 'including treatment of connector LT Side and ACSR conductor with conducting jelly complete all as specified and directed

S&F Galvanised stay strand, 7/4mm for stay wire assembly, complete all as specified and directed.

M&L Loop type insulator, vitreous porcelain, white, brown or green Large size, with overall dimensions 90mmx140mm, clearance of hole 25.5mm complete all as specified and directed.

S&F of Anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified and directed

S&F of Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm complete all as specifeid and directed

M&L Cradles, hexagonal/rectangular, fabricated with galvanised steel wire 3.15 or 4mm dia ,fixing between the pole complete all as specified and directed by Engineer-in-Charge.

S&F Cable jointing kit for 1100 (Earthed) grade cable for outdoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 35 sqmm to 95 sqmm, complete all as specified and directed.

M&L for earthing of copper earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr depth below normal ground level) with top edge of earth not less than 1.5 mtr below normal ground level connected to and including copper earth strip 25 x3 mm by means of copper bolts, nuts, check nuts and washers, test point made of copper earth strip 25x3mm, 10cm long PCC 1:2:4, type B-1 in pit with precast RCC 1:2:4 type B-1 in cover reinforced with XPM not less than 4 Kg per Sqm with 15mm bore GI light grade protection pipe, 20mm bore GI medium grade watering pipe with funnel including charcoal, dust, salt, all as shown in electric plate No 3 of SSR Part-I (2009) Specifications, complete with necessary earth work in any type of soil, removal to a distance not exceeding 50 mtr including testing on completion & dismantling of existing earthing, complete all as specified & directed. Notes- 1. Earth strips & protection pipes lenth upto & including 7.5 m is deemed included in unit rate quoted by the contractor. 2. Earth filling shall be done by vegitable soil. 3. Soil shall be free from stone, boulders, aggregate, gravels.

M&L for Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised iron strip of 25 x 4mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion Notes- 1. Earth strips & protection pipes lenth upto & including 7.5 m is deemed included in unit rate quoted by the contractor. 2. Earth filling shall be done by vegitable soil. 3. Soil shall be free from stone, boulders, aggregate, gravels.

M&L for earthing of galvanized steel earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr depth below normal ground level) with top edge of earth not less than 1.5 mtr below normal ground level connected to and including earth lead wire 4.0 mm by means of steel bolts, nuts, check nuts and washers, test point made of GI strip 40x8mm, 10cm long PCC 1:2:4, type B-1 in pit with precast RCC 1:2:4 type B-1 in cover reinforced with XPM not less than 4 Kg per Sqm with 15mm bore GI light grade protection pipe, 20mm bore GI medium grade watering pipe with funnel including charcoal, dust, salt, all as shown in electric plate No 3 of SSR Part-I (2009) Specifications, complete with necessary earth work in any type of soil, removal to a distance not exceeding 50 mtr including testing on completion & dismantling of existing earthing, complete all as specified & directed. Notes- 1. Earth strips & protection pipes lenth upto & including 7.5 m is deemed included in unit rate quoted by the contractor. 2. Earth filling shall be done by vegitable soil. 3. Soil shall be free from stone, boulders, aggregate, gravels.

M&L for excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foudation of poles/ cable,stay assy etc and getting out soft/loose soil complete all as specified and as directed.

M&L for excavating in trenches, exc 1.5metre depth but not exceeding 3.0metre depth for foundation, etc., and getting out in any type of soil, complete all as specified and directed.

Returning, filling in including spreading, levelling watering and well ramming in layers not exceeding 25cm thick, complete all as specified and directed.

S&F Double wall corrugated (DWC) outer pipe 90mm and inner dia 75 mm fix complete to Wall, Poles etc with suitable clamp for protection of cable, complete all as specified and directed.

S&F Double wall corrugated (DWC) outer pipe 160mm and inner dia 135 mm fix complete to Wall, Poles etc with suitable clamp for protection of cable, complete all as specified and directed.

S&F Double wall corrugated (DWC) outer pipe 63mm and inner dia 50 mm fix complete to Wall, Poles etc with suitable clamp for protection of cable, complete all as specified and directed.

Removing surplus spoil to a distance not exceeding 50m and deposited where directed at a level not exceeding 1.50m from the starting point, complete all as specified and directed.

M&L for PCC 1:2:4 type B-2 (using 40mm graded crushed stone aggregate) as in Coping and mass concrete for poles, complete all as specified and directed.

M&L for PCC 1:4:8 type C-2 (using 40mm graded crushed stone aggregate) as in foundation filling, basement and mass concrete for poles, complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregate) as in foundation filling, basement and mass concrete for poles, complete all as specified and directed.

M&L for line separators of LT OH lines with nut, bolts & washers straight type fixed at a point as directed and suitable for 4 wire complete all as specified and directed.

M&L for GI tubing light grade 150mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately )

M&L for GI tubing light grade 80mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately)

M&L for GI tubing light grade 40mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately)

Supply, Install Testing & Commissioning of self supporting totally enclosed double door at front, LT feeder piller compartmentalised design, dust and varmin proof of size 600 mm(Height) x 600 mm(Length) x 450 mm(Width) suitable for 440 Volt 3 phase 4 wire system made out of 3.15 mm thick CRCA sheet and built upon regid frame work having front and rear hinged doors with neoprence rubber gasket including danger plate, earthing strip point and, ventilation louvers at the rear side, bottom detachable gland plate complete with suitable size of Zinc/Cromium plated and nuts, bolts ;and washers etc.The pannel shall be synthetic enamelled painted and the control circuit diagram shall be with colour code solid conductor copper 1.5 sqmm cable for easy identification including incomming/outgoing cable holes at the bottom, complete after taking down the old unserviceable one. The Panel shall be emmbeded with 75 x 6 mm MS Angle Iron frame and to be grouted with PCC foundation (1:2:4 ) type B2 upto a height of 50 cm from normal ground level complete all as specified and directed by Engr in charge and comprising of the following. (a) Aluminium bus bar 200 amps - 04 Nos, supported with suitable size of heavy duty porcelin stand lock with suitable size of brass nut, bolts and washer with heat shrinkable PVC sleeving. The bar shall be colour coded (red, yellow and blue) for three phases and black for neutral. (b) MCB of SPN, 63 A, 10 KA, with breaking capacity of 25 KA- 01 (b) MCB of SP, 06 to 32 A, 10 KA, - 02 No INDICATING DEVICES (a) LED Indicating lamps for Main Supply indicating R', Y' B' - 01 Set of 3 (b) Digital Voltmeter - 01 No (c) Current Transformer having Ratio 400/5, 15 VA - 01 Set of 3 (d) Digital Ammeter - 01 N0

Deduct Schedule of Credit as listed in Schedule 'A' Part-II. Contract Sum shall be arrived after deducting the credit amount.

BETONG BUILDERS (BID ID -3513193)

M/S MA CONSTRUCTION Co (BID ID -3513445)

M/S Deldan Namgail (BID ID -3514231)

M/S MAHALUXMI BUILDERS (BID ID -3513366)

K S BUILDERS (BID ID -3514566)