SPECIAL E/M REPAIR TO OLD UNSERVICEABLE LT PANELS, LT CABLES AND CONNECTED ITEMS AT DURBUK AND SPL REPAIR TO BLDG NO. T-121 AND T-123 AT TANGTSE AREA UNDER GE 860 EWS

Amount

Dismantling of wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/slabs/blankets, any thickness, including cover fillets complete all as specified and directed. Note: Taking down carefully old FTL fitting recessed mounted light fittings/ceiling complete with all accessories and making necessary electric connection, complete all as specified & directed by Engr-in charge.

M&L for 9mm Pre-laminated particle board, interior grade, prelaminated one side with decorative choice lamination and other side balancing white lamination fixed with screws/nails to timber frame work in wall portion complete all as specified and directed.

Providing & fixing false ceiling with semi perforated 8mm thick micro tegular edged GRG at all heights with GRG false ceiling tiles of size 595X 595 mm of approved texture design and patterns having moisture content less than 2% humidity resistance of 99% NRCO.50 to 0.75 as per IS 8225:1987,Noncombustible as per BS476(part4)-1970 and light reflectance of 85%(min) to be laid in true horizontal level suspended on inter locking metal T-grid of hot dipped galvanised iron sec of 0.33 mm thick (galvanised @ 120 grams per sqm incl both sides) comprising of main -T runners of size 15x 32 mm of length 3000mm ,cross-T of size 15X32 mm of length 600 mm to form grid module of size 600 x600 mm suspended from ceiling using galvanized mild steel items (galvanizing @80mm per sqm ) i'e 50mm long 8 mm outer diameter M-6 dash fasteners, 6mm dia fully threaded hanger rod upto 1000mm length and L-shape level adjuster of size 85 x 25 x 2 mm ,Galvanised iron perimeter wall angle of size 24 x 24x 0.40 mm of length 3000 mm to be fixed on periphery wall/ partition with the help of plastic rawl plugs at 450 mm center to center and 40mm long dry wall wood screws.The work shall be carried out as per specifications, drawing and as per directions of the Engr-in-Charge.

Dismantling of timber scantling in fillets, posts, rafters, purlins etc under 40Sq. Cm in section in framed work complete all as specified and directed.

M&L for 2nd class hard wood timber scantling plain fillets square, rectangular in section area exc 13 Sqcm and not exc 25sqcm secured with nails complete all as specified and directed.

M&L for 2nd class soft wood fillets sectional area exc 3 sqcm and n exc 6 sqcm rectangular or triangular in section but bullnosed, splayed, chamfered or rounded on one edge of face, secured with nails or brads, complete all as specified and as directed.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

M&L for coloured Non Skid Ceramic joint free tiles 7 to 8mm thick (square/rectangular) area of each tiles exceeding 0.11 sqm but not exceeding 0.18 sqm , in floors etc, set and jointed in neat cement slurry and pointed in white or coloured cement to match including screed bed 15mm thick in CM 1:6 complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in ground floors & paving n.exc 15 cm thickness (below or above ground level) complete all as specified and directed.

M&L for cement concrete 75mm thick type D-2 using 40mm graded crushed stone aggregate as in sub base to receive floor finish etc complete all as specified and as directed.

M&L Screed bed or bedding layer 20 mm thick in cement mortar 1:4 on floors for laying floor finish complete all as specified and as directed.

S&F coloured chequrred cement concrete tiles 30 cm x 30cm x 25 mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and pigment complete all as specified and as directed.

M&L for providing cement concrete 1:2:4, type B-1 using 20 mm graded crushed stone aggregate for fixing edges of chequered tiles and rounded or chamfered edges, coping complete all as specified and directed.

Taking down of chowkats with shutter (without taking of shutter from frame) exc 1.5 Sqm but not exc 4 sqm each complete all as specified and directed.

S&F 2nd class hard wood, Plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints complete all as specified and directed.

S&F plain 2nd class hardwood 35mm thich framed, panelled shutter (two panel) with lock rail and panel of 9 mm B.W.P. commercial ply or 12 mm veneered particle board with commercial veneering on both faces. The size of rail and stile as per IS : 1003 (Part I), kiln seasoned and chemically pressure treated complete all as specified and as directed.

M&L for preparation of new or previously untreated wooden surfaces of any description not otherwise described over 10cm in width or girth and applying two coats of synthetic enamel paint (1st grade quality) over a coat of pink primer complete all as specified and directed.

Taking down of chowkats with shutter (without taking of shutter from frame) n exc 1.5 Sqm each complete all as specified and directed.

S&F 30mm thick 2nd class hard wood glazed and skelton shutters, open rebated and prepared to receive glass, gauze, etc. (without sash bars), edge of framing plain, chamfered or rounded, fitted with cut and mitred beads for securing glass etc. sizes of members of shutters as specified in SSR Part-I, Section 8, clause 8.24 (a) completed all as specified and directed.

S&F 3mm thick sheet glass, ordinary quality and glazing with oil putty and glazing pins in square n exc 0.5 sq. m in each pane complete all as specified and directed.

S&F 100mm size, butt hinges, cold rolled steel or stainless steel with screw, medium weight , ISI marked complete all as specified and directed.

S&F 125mm long Aluminium, anodised, barrel tower bolt, Mild steel or stainless steel having dia/shoot not less than 10 mm with screws complete all as specified and directed.

S&F 125mm size, extruded aluminium alloy handles fabricated type anodised complete all as specified and directed.

S&F 250mm long, Mild steel or stainless steel, sliding door bolts, plate type, stove enamelled black, with bright bolt not less than 12mm dia with and including a minimum of 6 bolts and nuts, four on bolt plate and two on staple plate and fixed complete all as specified and directed.

S&F 75mm size, butt hinges, cold rolled steel or stainless steel with screw, medium weight , ISI marked complete all as specified and directed.

S&F 100mm long Aluminium, anodised, barrel tower bolt, Mild steel or stainless steel having dia/shoot not less than 10 mm with screws complete all as specified and directed.

S&F 100 mm size, extruded aluminium alloy handles fabricated type anodised complete all as specified and directed.

Dismantling Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and as directed.

M&L for 0.63mm thick CGI sheets fixed to wall/roof with two corrogations side lap, fixed with L- type or J type or cranked hook bolts and washers with grade of zinc coating 275 complete all as specified and directed.

M&L for 0.63mm thick CGI sheets fixed to wall/roof with two corrogations side lap, fixed with L- type or J type or cranked hook bolts and washers but except sheeting complete all as specified and directed.

M&L 0.63 mm thick plain galvanised mild steel sheeting, in ridges, hips, valley gutter, drip and straight flashings fixed with L- type or J type or cranked hook bolts and washers with grade of zinc coating 275 complete all as specified and directed.

M&L for two coats of synthetic enamel paint over a coat of red oxide on new steel surfaces of any description, not otherwise described over 10cm width or girth incl preparing new zinc or galvanised surfaces to receive painting by coating with mordant solution incl washing and cleaning etc completed all as specified and directed.

M&L for plain cement concrete (1:3:6) type C-2 (using 40mm graded crushed stone aggregate) 75 mm thick as in plinth protection/PCC Path complete all as specified and directed.

M&L for preparing old painted steel and iron surfaces of any description over 10 cm width or girth not otherwise described and applying two coats of synthetic enamel paint all as specified & directed by the Engr-in-Charge.

Taking down carefully copper/aluminum point wiring (light, fan, socket or power) complete with fittings and fixtures such as switches, ceiling roses, pendants, regulators, socket, lamp holders brackets, bulk head fittings, tube light fittings etc complete and removing all retrieved materials such as fitting & fixture from the site and also making good disturbed surfaces of wall, floors etc all as specified and as directed by the Engineer-in-Charge.

Material and labour for point wiring with 1.5 Sqmm copper conductor (Multi-standard) PVC insulated and unsheathed electric cable 1100 volts in and including 25 mm and above (as per conductor run )with all fittings/ accessories and including PVC insulated and unsheathed electric cable 1100 volts1.5 Sqmm ( multi-stranded) copper conductor single core( Green colour) cable as continuous earth wire connected to common earth dolly including 50 mm deep box made of 2nd class hard board of required size and shape etc covered with 3 mm thick plastic laminated sheet ( Make Hylum) for one light point,bell,exhaust point, bulk head, independent controlled by one, one way switch complete all as specified and as directed by the Engineer-in-Charge.

Description all as per Srl item No. 36.00 here in before but for one 3 pin socket outlet 5 Amp on same board complete all as specified and as directed by the Engineer-in-Charge.

Description all as per Srl item No. 36.00 here in before but for one 3 pin socket outlet 5 Amp on independent board complete all as specified and as directed by the Engineer-in-Charge.

Description all as per Srl item No. 36.00 here in before but for one socket outlet 15 Amps on independent board with 2.5 Sqmm copper conductor (Multi-stranded) insulated and unsheathed electric cable 1100 volts (ISI Marked) including PVC insulated and unsheathed electric cable 1100 volts 1.5 Sqmm copper stranded conductor as continuous earth wire connected to common dolly complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement switch piano flush button single pole one way 5 Amps complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement socket outlet 2 in 1, 5 Amp, flush type completeall as spe cified and as directed by Engr-in-charge.

Supply and fixing in replacement switch, socket combination 2 in 1, 5 Amp, flush type completeall as specified and as directed by Engr-in-charge.

Supply and fixing in replacement switch socket combination multi purpose 2 in 1, 3 pin 5A/16A, 5 in 1 flush type complete all as specified and as directed by Engr-in-charge.

Supply and fixing in replacement angular lamp holder, PVC/Polycaronate type with back plate suitable for 12 watt LED bulb for batten fittings complete all as specified and directed by the Engineer-in-Charge.

Supplying and fixing in replacement LED 12 Watt complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement ceiling rose, surface bakelite, 65 x 50 mm, three terminals complete all specified and as directed by the Engineer-in-Charge.

Supply and fixing in replacement LED batten lights fitting 1x 20W, 220V,AC decorative type including LED tube light connecting up with three core flexible copper conductor cable of suitable size including ceiling rose complete.

Supply and fixing new energy saving LED Bulk head fitting 10 watt made up of pressure die cast aluminium housing with acrylic cover as diffuser with IP 66 protection and impact resistance of IK07 as reqd to be mounting bracket in wall/floor to suit the opening of the fitting with FI clamp, nut, bolt and washers of suitable size including making connection complete all as specified and as directed by Eng-In-Charge

Supply and fixing in replacement LED luminaire 600 mm x 600 mm, 40 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling 6500K including connecting up with driver three core flexible copper conductor cable of suitable size complete all as specified and as directed by Eng-In-Charge.

M&L for sub main wiring with 2 run of 4 Sqmm FR, PVC insulated, unsheathed and stranded copper conductor cable with and incl 4 Sqmm (nominal area) FRLS, PVC insulated, unsheathed and stranded copper conductor cable as earth wire connected with thimble from main DB to sub main DB, drawn drawn through above incl all conduit accessories & fittings / junction boxes / inspection covers etc, with and incl cutting chasing and making good of disturbed surface of wall / floor/ ceiling etc as original by brick work, plastering, white washing, OBD etc as required, complete all as directed. Note : 1. The cost of concealed conduit & accessories is deemed to be included in quoted rates. 2. The two run of 4 Sqmm wire and one run of 4 Sqmm wire will be measured as one unit.

Supply and fixing in replacement sheet Metal enclosure single shutter type for DB’s 240 Volts Single Pole and Neutral 8 way with 200 Amps rated bus bar complete including wooden board of required size duly painted with matching colour paint all as specified and as directed by the Engr-in-charge.

Supply and fixing in replacement MCB single pole and neutral 32 to 40 Amps , 240 volt, 10 KA, complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing in replacement MCB single pole 5 to 30 Amps, 240 volts, 10 KA complete all as specified and as directed by the Engineer-in-Charge.

M&L in replacement Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the Galvanized iron earth wire 4.0 mm dia by means of bolts, nuts , check nuts and washers of galvanized iron and steel earth wire protected by provision of GI light grade pipe 15 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 3 of SSR 2009 Part-I and connecting to CBDB’s as specified or indicated including testing on completion .

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m depth for laying of cable/ stay assy/HT/LT poles and getting out in hard/dense soil complete all as specified and directed and directed by Engr-in-Charge.

Returning filling incl spreading watering and well ramming in layers not exceeding 25cm in hard and dense soil complete all as specified and directed by Engr-in-Charge.

Removing excavated material not exceeding 50 mtrs and depositing where directed at a level n. exc 1.5mtr above the starting point complete all as specified and directed by Engr-in-Charge.

M&L for Sand cushioning to underground cable complete all as specified in clause 19.75 of SSR Part - I, complete all as specified and directed by Engr-in-Charge. Note:- Only punned thickness shall be measured and paid.

Taking out old unserviceable/serviceable un-reinforced concrete PCC cable covers from excavated trench all as directed by the Engineer-in-Charge. Note:- Serviceable un-reinforced concrete PCC cable cover kept in safe custody for reuse at site and unserviceable un-reinforced concrete PCC cable cover through in low lying area.

Laying only old reinforced PCC cable cover of any size as retrieved from serial item No. 59.00 here in before complete all as directed by Engineer-in-Charge.

M&L for un reinforced precast concrete cable cover class LV type I, flat size 250mm x 150 mm x 40 mm, complete all as specified and directed by Engr-in-Charge.

Taking out old unserviceable LT UG cable of size 95 sqmm 3.5 corecomplete all as specified and directed by Engr-in-Charge.

Description all as per Srl item No. 62.00 here in before but LT UG cable of size 70 sqmm 3.5 core

Description all as per Srl item No. 62.00 here in before but LT UG cable of size 50 sqmm 3.5 core

Description all as per Srl item No. 62.00 here in before but LT UG cable of size 25 sqmm 4 core

Description all as per Srl item No. 62.00 here in before but LT UG cable of size 16 sqmm 4 core

Description all as per Srl item No. 62.00 here in before but LT UG cable of size 10 sqmm 4 core

Supply, laying, testing and commissioning of LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 95 sq mm 3.5 core confirming to IS:7098 (Part-I), suitable for earthed system, laid in duct/trench/along pole/wall etc including nuts, bolts, washers, saddles & screws etc and making connection, complete all as specified and directed by Engr-in-Charge. Note : 1. The cost of Al thimbles/lugs and cable gland etc is included in quoted rate and no extra payment will be made for it. 2. Excavation, earth work, sand cushioning and brick protection will be measured and paid separately under respective items.

Description all as per Srl item No. 68.00 here in before but LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 70 sq mm 3.5 core

Description all as per Srl item No. 68.00 here in before but LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 10 sq mm 4 core

Description all as per Srl item No. 68.00 here in before but LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 50 sq mm 3.5 core

Description all as per Srl item No. 68.00 here in before but LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 25 sq mm 4 core

Description all as per Srl item No. 68.00 here in before but LT UG cable XLPE insulated PVC sheathed galvanized steel strip armoured electric power cable with stranded aluminium conductor 1100 volts grade 16 sq mm 4 core

Supply, installing, testing and commissioning Factory made outdoor LT feeder piller box, double door type of suitable size, padestal mounted, CPRI approved totally enclosed, dust and vermin proof, Front and rear openable type made of 3.15 mm thick CRCA sheet and having proper locking arrangement duly painted to both internal and External surfaces with super enaleled paint over a coat of red oxide and suitable for 500 volts, 50 Hz, 3 phase 4 wire system and comprising of three phase coppere busbarr of current carrying capacity 400 Amps mounted on angle iron legs of size 50 x 50 x 6 mm x 80 cm long embedded in PCC 1:3:6, including excavation / preparation of ground complete connecting UG cable with cable glands of suitable size :-

(i) MCCB 200A, 4 pole, 415 volts, 36 KA breaking capacity with thermal adjustable setting -01 No. (incoming). (ii) MCCB 100A, 4 pole, 415 volts, 25 KA breaking capacity with thermal adjustable setting -01 No. (outgoing). (iii) MCCB 63A, 4 pole, 415 volts, 25 KA breaking capacity with thermal adjustable setting -03 Nos (outgoing).

Supply, installing, testing and commissioning Factory made outdoor LT feeder piller box, double door type of suitable size, padestal mounted, CPRI approved totally enclosed, dust and vermin proof, Front and rear openable type made of 3.15 mm thick CRCA sheet and having proper locking arrangement duly painted to both internal and External surfaces with super enaleled paint over a coat of red oxide and suitable for 500 volts, 50 Hz, 3 phase 4 wire system and comprising of three phase coppere busbarr of current carrying capacity 400 Amps mounted on angle iron legs of size 50 x 50 x 6 mm x 80 cm long embedded in PCC 1:3:6, including excavation / preparation of ground complete connecting UG cable with cable glands of suitable size :-

(i) MCCB 250A, 4 pole, 415 volts, 36 KA breaking capacity with thermal adjustable setting -01 No. (incoming). (ii) MCCB 125A, 4 pole, 415 volts, 25 KA breaking capacity with thermal adjustable setting -01 No. (outgoing). (iii) MCCB 100A, 4 pole, 415 volts, 25 KA breaking capacity with thermal adjustable setting -01 No. (outgoing). (iv) MCCB 63A, 4 pole, 415 volts, 25 KA breaking capacity with thermal adjustable setting -02 Nos (outgoing).

Supply and fix in replacement ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 160 Amps complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 125 Amps complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement ON LOAD change over switch 415V in sheet metal enclosures 4 pole of capacity 200 Amps complete all as specified and directed by Engr-in-Charge.

Supply, installing, testing and commissioning Factory made outdoor LT feeder piller box, double door type of suitable size, padestal mounted, CPRI approved totally enclosed, dust and vermin proof, Front and rear openable type made of 3.15 mm thick CRCA sheet and having proper locking arrangement duly painted to both internal and External surfaces with super enaleled paint over a coat of red oxide and suitable for 500 volts, 50 Hz, 3 phase 4 wire system and comprising of three phase aluminium bus bar of current carrying capacity 200 Amps and 01 No. 4 Pole 100 Amps MCCB for incoming ond outgoing connection mounted on angle iron legs of size 50 x 50 x 6 mm x 80 cm long embedded in PCC 1:3:6, including excavation / preparation of ground complete connecting UG cable with cable glands of suitable size.

M&L in replacement Earthing complete with galvanized steel earth plate electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 metres below normal ground level, connecting to the galvanised iron strip 32×6mm by means of bolts, nuts , check nuts and washers of galvanized iron and galvanised iron strip protected by provision of GI light grade pipe 40 mm bore including provision of concrete pit made from PCC ( 1:2:4) type B-1 (using 20 mm graded stone aggregate) with 40mm thick cover of RCC 1:2:4 reinforced with XPM (Weight not less than 4 Kg/Sqm) and frame of angle iron 40 x 40 x 6 mm and handle of 6 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 1.50 metre long placed on top edge of earth plate, common salt & charcoal filling, with fixing arrangement , funnel, wire mesh and earth work in hard/dense soil , returning filling in and removal of surplus soil to a distance not exceeding 50 metres, all as per electrical plate No 5 of SSR 2009 Part-I and connecting to MCBDB’s earth test point all as specified or indicated including testing on completion

M/S AMAR SINGH (BID ID -3413135)

M/S TASHI PHUNCHOK GOVT CONTRACTOR (BID ID -3413011)

M/S GEE AAR and SONS ENTERPRISES (BID ID -3412003)

M/s Koul & Sons (BID ID -3412831)

M/S MA CONSTRUCTION Co (BID ID -3412804)

Rampal Singh Contractor (BID ID -3411399)

M/S HONY CAPT RIGZIN SAMPHEL (BID ID -3410781)

osho traders (BID ID -3411830)

M/S Deldan Namgail (BID ID -3412294)

M/S MOHD KARIM (BID ID -3412638)