CA NO. GE AF NO.1/GUR-66/2023-24 SPECIAL REPAIR TO WIRING AT CERTAIN BUILDINGS AND REPAIRS TO STREET LIGHT , JUNCTION BOX, TIMER SWITCH ETC AT VARIOUS UNITS AT AF STATION PALAM UNDER GE (AF) GURGAON NO. 1.

Amount

Taking down carefully copper/aluminium point wiring (light, Fan, Socket or power) fitting such as switches, ceiling roses, pendents, regulators, sockets etc complete removing material to store for keeping in safe custody and making good disturbed surfaces of walls, floors etc complete all as specified as directed.

Taking down carefully by unscrewing from the boards/outlets boxes fittings and fixtures such as switches, sockets ceiling, rose, lamp holders, tube light fittings, regulators etc and making good of disturbed surfaces complete all as specified as directed.

Taking down of existing old unserviceable submain wiring complete all as specified and as directed.

Taking down of existing old unserviceable MCB of any rating complete all as specified and as directed.

Taking down of existing old unserviceable distribution board of any type complete all as specified and as directed.

Taking down of LED tubelight/Ceilling light/Round light/Bulkhed light of any type and capacity complete all as specified and as directed.

Material & Labour for concealed point wiring with single core PVC insulated and unsheathed 1100 volts grade cable with multistranded copper conductor of size 1.5 Sqmm nominal area drawn through & including non metallic rigid PVC conduit (circular/flat pvc conduit), medium duty not less than 20 mm dia concealed in wall/fixed on wall/ceiling with GI saddles , GI screws , rawl plugs with all fittings including tees , junction boxes & provision for modular box and modular cover of suitable size for mounting modular switches , sockets & regulators & drawing through continuous earth wire of PVC insulated unsheathed 1100 volts grade cable with copper conductor solid conductor of size 1.5 sqmm complete all as specified & directed by Engineer -In-Charge. Note: Cost for cutting chases and making good to match the existing surface shall be deemed to be included in the quoted rate.

One light point controlled by one single pole switch & socket.

One fan/exhaust/wall mounted point controlled by one single pole switch.

One 3 pin sockets outlet 5 Amps on the same board with other switches with cable of size 1.5 sqmm

3 pin socket outlet 5Amps independent with cable 1.5 Sqmm size

One 3 pin sockets outlet 15 Amps idependent with cables 2.5sqmm size

Supply and Fixing of modular switches 1 way, 6 Amp 1 module complete all as specified & directed by Engineer - In-Charge.

Supply and Fixing modular Socket, 6A - 2/3 pin combined 2 module, complete all as specified & directed by Engineer - In-Charge.

Supply and Fixing of modular switches 1 way, 16 Amp 1 module complete all as specified & directed by Engineer - In-Charge.

Supply and Fixing modular Socket 6A/16A - 2/3 pin combined 2 module, complete all as specified & directed by Engineer - In-Charge.

S&F GI Modular gang sunk-in pressed terminal boxes of required size not less than 1.2 mm thick factory made for following module complete all specified and directed. Note: Flushing of module box in wall with cement and repairing the wall as before is deemed to be included in quoted rate.

Metal flush box 3 module

Metal flush box 6 module

Metal flush box 8 module

Metal flush box 12 module

S&F white cover plate with frame of following module complete all specified and directed.

white cover plate with frame 3 module

white cover plate with frame 6 module

white cover plate with frame 8 module

white cover plate with frame 12 module

Supply & Fixing of Ceiling Rose, 3 phase polycarbonate isolated body complete all as specified & directed by Engineer - In-Charge.

Supply and fixing LED lights fitting 1x 16W, 220V, AC decorative box type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified & directed by Engineer - In-Charge.

Removing and refixing LED tube lights fitting of any capacity, 220V, AC decorative box type after cleaning with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified & directed by Engineer - In-Charge.

Removing and hanging only ceiling fan (M.D. supply) and connecting up including provision of cable from ceiling rose or connector to fan after cleaning complete all as specified and as directed.

Removing and refixing exhaust fan (M.D. supply) and connecting up including provision of cable from ceiling rose/connector to fan after cleaning complete all as specified and as directed.

Supply and fixing LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete all as specified and directed at site.

Supply and fixing LED luminaire 600 mm x 600 mm, 35/36 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 including connecting up with driver three core flexible copper conductor cases of suitable size complete.

Supply and fixing LED building light fitting 35 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete all as specified and as directed.

S&F in repair bracket made of GI pipe light grade 40mm bore bent to shape as required at site for street light fitting 1.2 m in length and fixed on wall/pole including necessary MS clamps, nuts, bolts etc complete all as specified and as directed.

S&F submain wiring with unsheathed multi-stranded FR Grade copper conductor cable 1100 volts grade drawn through in and including PVC rigid conduit medium grade of not less than 25mm dia with conduit accessories and concealed in wall/surface of ceiling for two runs of 6 Sqmm single core HR Grade and one run of 4 Sqmm PVC insulated copper conductor for earth continuity wire between main DB to Sub main DB/ AC plug points complete all as specified and as directed. Note :- Two run of single core cable with one run of earth continuity conductor and PVC conduit and accessories will be measured as one length including cutting chasing in wall complete. Note: Rates are deemed to be included for chases of conduit and sunking for boxes cutting and making holes in wall/floor for passing in or through conduit.

Ditto-above but 2x4.0 sq. mm + 1x4.0 sq. mm earth wire complete all as specifed and as directed.

Ditto-above but 2x2.5 sq. mm + 1x2.5 sq. mm earth wire complete all as specifed and as directed.

Ditto-above but 2x1.5 sq. mm + 1x1.5 sq. mm earth wire complete all as specifed and as directed.

Supply , Laying , testing and commissioning in replacement of XLPE insulated and PVC Sheathed , galvanized steel strip or wire armoured , heavy duty electric cable with multi stranded aluminium conductor , 1100 volts grade of size 50 sqmm 3.5 core complete all as specified & directed by Engineer - In - Charge.

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth and getting out hard/Dense soil complete all as specified and as directed for foundation of stay, laying of cable etc. completed all as specified and directed.

M&L for brick protection with sub class 'B' Designation 75 old bricks laid dry flat 23cm in width over sand cushioning in trenches as perpendicular to the direction of underground cable complete all as specified and as directed

M&L for dry clean sand filling in trenches below and around under ground cable cushioning complete all as specified and directed. Note :- Thickness of sand cushioning shall be measured after punning.

Excavation in trenches, not exc. 1.50 mt wide and not exc. 1.50 mtr in depth, for for taking out/ laying pipe line etc., Foundation, Manhole, etc. and getting out in Soft/ Loose Soil, complete all as specified and as directed.

Returning, Filling in, including Spreading. Levelling, Watering and Well Ramming in Layers not exc. 250mm in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated material to distance not exceeding 50mm and deposited where directed at level not exceeding 1.5m above the starting deposited where directed at level not exceeding 1.5m above the starting point complete all as specitied and as directed.

S&F in repair GI pipe light grade 50mm bore in trenches/wall/poles for protection of cable complete all as specified and as directed.

Labour and required tools for carrying out horizontal boring below roads/PCC hard standing/Drain suitable Up to 50mm dia GI pipe all as specified as directed for inserting GI pipe of the following sze with a depth upto 1.5m & length of road upto 12m of the follwing size of bore.

M&L 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 earth lead wire 4.0mm dia 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 complete all as specified and as directed.

Supply and fix in replacement of factory made epoxy polyster powder coated distribution board double door SP&N 8 way 240V fabricated from minimum 1.6 mm thick CRCA sheet with double door (IP-43 protection) fixed flush to wall and standard DIN rail, earth bar and cable ties for cable management, suitable for one incoming and 6 outgoings complete all as specified and confirming to IS: 8623 (Make: Legrand /Siemens). Note: Cutting on wall and taking out old one and then flushing new DB and making all the connection as before and any accessories required to fix the DB including making good the disturbed surface is deemed to be included in quoted rate. Make: Legrand /Siemens/Schneider.

S&F in repalcement of MCB SP 6-32 Amps ,10 KA 230 Volts ,50 HZ complete all as specified and as directed by Engineer -in -charge .Make : Make: Legrand /Siemens/Schneider.

Supply and fixing SPN 63 amp rating 240V, 10KA 'C' curve miniature circuit breaker (MCB) of two pole complete with connection testing and commissioning.

S&F Single pole and neutral metal enclosure with a two pin and earth including plug and socket complete set with one single pole MCB of 20 Amps,complete all as specified and directed.

Supply and fix in replacement of factory made epoxy polyster powder coated VTPN distribution board Triple pole MCB 4 way 415V fabricated from minimum 1.6 mm thick CRCA sheet with double door (IP-43 protection) fixed flush to wall and standard DIN rail, earth bar and cable ties for cable management, provision for 125 Amps MCCB as one incommer and 12 outgoings single pole MCB with 2 Neutral bar, 2 Earthbar, Fully insulated busbar rated capacity above 160Amp, shrouded Neutral bars and cable ties for cable management complete all as specified and confirming to IEC 61439-3,Reversible door IP 43 & IP 54. Make: Legrand /Siemens/Schneider. Note: Cutting on wall and taking out old one and then flushing new DB and making all the connection as before and any accessories required to fix the DB including making good the disturbed surface is deemed to be included in quoted rate.

Supply & Fixing MCCB 125 Amps 4 Pole, 415 V, fixed thermal & fixed magnetic setting electromechanical type with Ics=75 % of Icu , with breaking capacity 16 KA conforming to IS: 13947-II complete all as specified and as directed.

S&F Modular Fan step regulator, 120W - 1 module complete all as specified and as directed.

Dismantling of unserviceable concerete/steel tubular pole any size upto 9 mtr long including breaking up PCC and making good disturbed surface and removing materials from site of work complete all as specified and directed.

Supply and fixing of steel tubular swaged poles type 410 SP-31 (9.00 mtr long) swan neck type with two coat of aluminium paint ovar a coat of red oxide zinc chrome prime in externally exposed to view portion and black bituminous painting to internal surface and portion embeded in concrete including making five alternative strips 30 cm wide in different colour above ground level or plinth level and marking of MES pole No in black paint complete with cast iron base plate, final tapper plug, bolts, nuts and screws completed all as specified and directed.

M &L for demolition of cement concrete in ground floors and pavings n.exc 15 cm thickness (below or above ground level) completed all as specified and directed.

M&L for PCC 1:3:6 type C-1 using 20mm graded stone aggregates for filling in road cuts/hard standing etc completed all as specified and directed. M&L for PCC 1 : 3 : 6 type C1( Using 20 mm graded crushed stone aggregate) for foundation / concrete blocks / earthing chamber / chamber cover, filling in road cuts/hard standing etc complete all as directed by Engineer-in-charge at site.

Supply and fixing LED street light fitting of capacity 90 watts ,230 volts AC outdoor type with high pressure die cast aluminium housing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optic and equipped with IP 66 protection, with impact and corrsion resistant complete with drivers and as per national lighting code by using Each LED>1W and <3 W, LED Chip efficiency>=135 Lumens/Watt, CRI>70, CCT 5000K to 6500 K with LED Lifespan at 70% of light output>50000 hours. The driver should be 140 V to 270 V universal driver with built in surge protection >5 KV, 50 Hz, +/-3%, pf>0.95, THD<10% with system efficiency must be >85 lumens/Watt and power efficiency >=90% and overall, Driver and luminaire shall comply LM-79/IS: 16106 and all accessories and making all necessary connection including taking out of old unserviceable one, complete all as specified and directed by Engineer-in-Charge..

Supply and fixing 170/150 watt energy , saving environmental friendly, long life exclusive innovative die-cast aluminium IP65 flood light with high power LEDs as light source, suitable for highlighting architectural features or retail spaces, and as per national lighting code by using Each LED>1W and <3 W, LED Chip efficiency>=135 Lumens/Watt, CRI>70, CCT 5000K to 6500 K with LED Lifespan at 70% of light output>50000 hours. The driver should be 140 V to 270 V universal driver with built in surge protection >5 KV, 50 Hz, +/-3%, pf>0.95, THD<10% with system efficiency must be >85 lumens/Watt and power efficiency >=90% and overall, Driver and luminaire shall comply LM-79/IS: 16106 including taking out of old unserviceable one, complete all as specified and directed by Engineer-in-Charge.

M & L for MS cross arm 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 as indicated or directed and inclusive of two coats of aluminium paint over a coat of zinc chrome primer completed all as specified and directed.

Taking down existing old street light timer switch unit of any capacity and size including bus bar, ammeters, voltmeters etc after disconnecting all cable connection and removing from site completed all as specified and directed.

Supply, fix, commissioning and testing of automatic operation of street light switch having lighting control through astronomical calculation of sun rise/sun set time by setting data, time and degree of longitude , latitude with out of separate light sensor, of capacity 06 KW with MCB rating 40 Amp SPN enclosed in sheet metal enclosed made out of 14 SWG CRCA Sheet duly painted and prewired of suitable size of copper single core FRLS sheathed cable including fixing on pole with suitable clamp and nut and bolts completed all as specified and directed.

Supply, fix, commissioning and testing of automatic operation of street light switch having lighting control through astronomical calculation of sun rise/sun set time by setting data, time and degree of longitude , latitude with out of separate light sensor, of capacity 12 KW with MCB rating 63 Amp TPN enclosed in sheet metal enclosed made out of 14 SWG CRCA Sheet duly painted and prewired of suitable size of copper single core FRLS sheathed cable including fixing on angle frame and gouting in PCC foundation complete or fixing on pole with suitable clamp and nut and bolts completed all as specified and directed.

Taking down existing old street light panel /feeder box comprising of MCCB & switch fuse unit of any capacity and size including bus bar, ammeters, voltmeters etc after disconnecting all cable connection and removing from site completed all as specified and directed.

S&F street light panel /feeder box made out of MS/CRCA sheet 3.15mm thick with MS angle iron frame of size 40x40x6mm out door type front door opening with locking arrangement slinting roof and size of panel/feeder pillar box is 0.6mx0.45 and 0.35 m with out legs including necessary pcc cutting and fixing with pcc 1:3:6 of size 0.3mx0.3mx0.2m for 04 nos legs including necessary insulators and 04 nos copper bus bar of size 30mmx5mm capacity, provn of inlet and outlet cables with glands and earth connecting lead etc complete and connection of all incoming and out going cable using aluminium terminal sockets/lugs duly crimpled and necessary two coats of paints with approved colour and grade of first quality synthetic enameled paint over a coat of red oxide primer including necessary preparation of surfaces all specified and testing complete including the following :- (i) S&F MCCB 4 pole 415 volts 125 amps 16 KA , adjustable thermal and magnetic setting - 01 No. Make Legrand /Siemens/schiender (ii)S&Fmodular indicator lamp LED type -1 set (R,Y,B). (iii)S&F time switch type Alpharex3 D -21 astro Legrand CAT No 412654 =01 No (iv)Supply and fixing 40 amps TP power contactor Make -Legrand Cat No-412549 =01 No (v)Supply and fixing 32 amps TPN MCB Make - Legrand/Siemens/schiender =01 No (vi)Supply and fixing 6-32 amps sp MCB Make - Legrand/Siemens/schiender =06 Nos (vii)Supply and fixing single phase preventer Make -L&T=01 No (make of panel- Universal Switchgear/ ITE Gurgaon/ Hensel/ Bhandari/ Shalabh/ Havells/ Indoasian/ Standard )

Taking up old serviceable/unserviceable UG cable from trench for replacement , repair and re-laying or re-routing of size :- Note- Earth work shall be measured and paid separately under appropriate items of Sch-'A')

(a) 16 Sqmm 4 Core to 35 Sqmm 3.5 Core

(b) 50 Sqmm 3.5 core to 95 Sqmm 3.5 Core

Supply, laying, testing and commissioning LT UG armoured, XLPE insulated, inner and outer sheathed, PVC insulated with multi stranded aluminium conductor cable of cross sectional area of following size, 1100 volts grade, ISI marked with IS-7098, laid in trenches/floor/duct/wall including aluminium lugs of suitable sizes complete and making necessary electrical connection to panel/pole/DBs all as specified and as directed.

(a) 16 Sqmm 4 Core

(b) 35 Sqmm 3.5 Core

(c) 50 Sqmm 3.5 Core

(d) 95 Sqmm 3.5 Core

M& L for straight through cable end terminal joints heat shrinkable type complete suitable for LT PVC & XLPE insulated, sheathed UG cable for aluminium conductor cable and testing after joining of 4 core 35 to 50 Sqmmcompleted all as specified and directed.

All as per item No 58.0 here-in-before but 4 core 70 to 150 Sqmm size -ditto-

Machine pressed precast concrete interlocking paver block in repair of any shape and size confirming to IS 15658- 2006 of 80 mm thickness, M-35 grade, with grey cement and no pigment completed all as specified and directed..

Supply and fixing double compression stainless steel gland for fixing armoured cable in panel of size 4 core 50 Sq mm size complete all as specified and as directed.

Supply and fixing double compression stainless steel gland for fixing armoured cable in panel of size 4 core 16 Sq mm size complete all as specified and as directed.

Supply and fixing non transparent looping SMC kiosks pole box 3 phase of size 310×210×120 mm made out of engineering plastic one piece moulding siemens gray colour with hold fast including 4 Nos aluminium strips 60 amp of requird size fixed on unbrakable insulator and one no single pole MCB 1 to 3 amp 'C' curve including taking out of old unserviceable one, complete all as specified.

Supply and fixing SMC junction box pole mounted, 100% weather proof, fire retardant complete with side hinged door of size 250 mm x 200 mm x 105 mm, made out of engineering plastic including 3 phase 4 wire aluminium bus bar of capacity 100 Amp of required size complete with bus bar insulator fibre/porcelain and one No single pole MCB 6 Amp, B curve & box fixed on pole with clamps made out of MS flat iron of size 25x5 mm with nuts and bolts complete all as specified and as directed.

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

M & L for PCC 1:2:4, type B-1, (using 20mm graded stone aggregate) as in coping including necessary use & waste of form work complete all as specified and directed.

Supply and laying 40 mm bore galvanised iron tubing, light grade with all fittings for passing of cables under ground complete all as specified and as directed.

Boring of holes under road, pavement, hard standing for more than 5 mtr in length by trenchless, technology using ultra sound technique and necessary machine, including HDPE pipe of 80 mm dia suitable for 0.4 mpa working pressure completed all as specified and directed.

Boring of holes under road, pavement, hard standing, drain etc by conventional method not exceeding 5 mtr in length for laying of cable for protection of pipe etc completed all as specified and directed.

M&L for cutting the existing bitumen us road/payment/footpath upto 0.75 mtr in depth, 0.45 mtr in width and getting out excavated material and making good the damaged portion after laying the pipe, returning filling in mass concrete PCC 1:2:4 type B2 upto top of the road all as directed by Engr-in-Charge. Note :-(i) M&L for laying of pipe shall be measured and paid separately.

Cutting chases, pining in, making good to facings where required and pointing in cement mortar 1:3 to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc ; and cutting chases for concealed conduit wiring, etc and making good, cutting exceeding 10 cm but not exceeding 20 cm girth and 5 cm width completed all as specified and directed.

M & L for earthing of equipments with copper plate earth electrode 60cmx60cmx3.15 mm thick buried directly in ground (earth pit not less than 3.00 mtr below ground level with top edge of plate not less than 2.25m. below ground level) brazed with copper strip 20x3 mm size 7.0 mtr long and connected to copper strip of any size by means of copper bolts, nuts, check nuts and washers complete all as specified and directed.

Note:- The rated quoted is deemed to the inclusive of the followings:- (a) The excavation and earth work (filling in, ramming in layers, watering etc as directed) in any type of soil for earth pit (pit size 1.20x 1.20x3.0mtr). (b) Perforated GI tubing (ISI marked) light grade 50mm bore 7.0 mtr long for strip protection and watering. (c) Common salt charcoal dust in alternative layers of 15cm, up to 60cm above the top of copper plate all as directed (Salt - 300Kg, Charcoal dust - 500 Kg). (d) Earth chamber of internal size 600mmx600mmx600mm, built in PCC (1:3:6) type C2 bed 15cm thick at bottom, brick work in CM 1:6 upto 45cm over PCC bed and PCC (1:3:6) type C1 coping 15cm above, embedded with MS angle 50mmx50mmx3mm frame work duly painted with anti corrosive bituminous paint, with and including RCC slab 50mm thick in cement concrete (1:2:4) type B1, reinforced with XPM (weight not less than 4Kg per Sqm) having lifting arrangement duly painted in green and making earth pit as directed. (e) On testing, after completion, if the earth resistance < 2 Ohms is not obtained, earthing will be regenerated at no extra cost till the desired earth resistance is obtained. (f) GI tubing, bib tap etc for provisioning of continuous water supply at earthing pit will be measured and paid seperately under respective schedule of the contract.

M& L for test point terminal block made out of gun metal or phosphorous bronze of size 75x75x25 mm drilled & screwed including 3 hole,8mm dia 25mm long hexagonal head with nuts & washers complete as specified and directed.

M & L in replacement of testing point box of size 100 x 100 x 50 mm depth as per sample complete as specified and as directed by Engr in charge.

Supply and fixingin replacement of Copper Strip of size 20 X 3 .15mm buried/laid in trenches/fixed on wall/tower etc complete as specified and as directed by Engr in charge.

Supply and fixing of Copper Strip of size 32 x 6 mm buried/laid in trenches/fixed on wall/tower etc complete as specified and as directed by Engr in charge.

S&F 50 mm bore GI tubing, light grade galvanized with all fitting and fixed to walls and ceilings or laid in floors for earthing strip protection complete as specified and as directed by Engr in charge.

S&F 15 mm bore GI tubing, medium grade galvanized with all fitting and laid in trenches complete as specified and as directed by Engr in charge.

S&F Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete as specified and as directed by Engr in charge.

S&F gun-metal, globe or gate valves, with iron wheel head, screwed both ends to iron pipe and fixed to 15 mm bore pipe complete as specified and as directed by Engr in charge.

Demolition of cement concrete in ground floors and paving not exceeding 15 cm thickness (below or above ground level) complete all as specified and directed.

M & L for copper brazing with copper strip/copper rod ccomplete as specified and as directed by Engr in charge.

Supply & fixing PVC insulator supporter with nut bolts / screws for fixing of copper / aluminium strips / GI strips on walls/PCC blocks etc complete as specified and as directed by Engr in charge.

Supply and fixing of PCC earthing pit cover 0.4 Metre x 0.4 Metre x0.1 Mtr Constructed in RCC complete with lifting handle made out of TMT bars 10mm all complete as specified and as directed by Engr in charge

Supply & fixing 100mm x 100 mm PVC block for copper/aluminium strip support with nut bolts / screws complete as specified and as directed by Engr in charge.

Supply and fixing of factory made epoxy polyster powder coated distribution board double door SP&N 8 way 240V fabricated from minimum 1.6 mm thick CRCA sheet with double door (IP-43 protection) fixed flush to wall and standard DIN rail, earth bar and cable ties for cable management, suitable for one incoming and 6 outgoings complete all as specified and confirming to IS: 8623 (Make: Legrand /Siemens/ Havells). Note: Cutting on wall and taking out old one and then flushing new DB and making all the connection as before and any accessories required to fix the DB including making good the disturbed surface is deemed to be included in quoted rate. Make: Legrand /Siemens/Schneider.

Supply and fixing of MCB SP 6-32 Amps ,10 KA 230 Volts ,50 HZ complete all as specified and as directed by Engineer -in -charge .Make : Make: Legrand /Siemens/Schneider.

Supply and fixing of factory made epoxy polyster powder coated VTPN distribution board Triple pole MCB 4 way 415V fabricated from minimum 1.6 mm thick CRCA sheet with double door (IP-43 protection) fixed flush to wall and standard DIN rail, earth bar and cable ties for cable management, provision for 125 Amps MCCB as one incommer and 12 outgoings single pole MCB with 2 Neutral bar, 2 Earthbar, Fully insulated busbar rated capacity above 160Amp, shrouded Neutral bars and cable ties for cable management complete all as specified and confirming to IEC 61439-3,Reversible door IP 43 & IP 54. Make: Legrand /Siemens/Schneider. Note: Cutting on wall and taking out old one and then flushing new DB and making all the connection as before and any accessories required to fix the DB including making good the disturbed surface is deemed to be included in quoted rate.

M&L for making duct on surface for electric wiring for workstation having dimension width 12.5cm and height 12.5cm after cutting of tiles and PCC 1:3 work complete all as specified and as directed. Note-Cost for cutting of tiles, PCC work and making good to existing surface shall be deemed to be included in the quoted rate.

M&L for iron cover having thickness 5mm suitable for duct sizes 12.5cm x 12.5 cm complete all as specified and as directed.

Supply , Laying , testing and commissioning of XLPE insulated and PVC Sheathed , galvanized steel strip or wire armoured , heavy duty electric cable with multi stranded aluminium conductor , 1100 volts grade of size 50 sqmm 3.5 core complete all as specified & directed by Engineer - In - Charge.

M & L for chemical earthing complete with copper plate earth electrode 90cmx60cmx5 mm thick buried directly in ground (earth pit not less than 4.00 mtr below ground level with top edge of plate not less than 3.25 mtr below ground level) brazed with copper strip 50x6 mm size 7.5 mtr long and connected to copper strip of any size by means of copper bolts, nuts, check nuts and washers complete all as specified and directed.

Note:- The rated quoted is deemed to the inclusive of the followings:- (a) The excavation and earth work (filling in, ramming in layers, watering etc as directed) in any type of soil for earth pit (pit size 1.20x 1.20x4.0mtr). (b) Perforated GI tubing (ISI marked) light grade 80mm bore 7.0 mtr long for strip protection and watering. (c) Common salt charcoal dust in alternative layers of 15cm, up to 90cm above the top of copper plate and one layers of 15cm Magnesium sulphate (MgSo4) all as directed (Salt - 500Kg, Charcoal dust - 1000 Kg & MgSo4 - 150 Kg). (d) Earth chamber of internal size 600mmx600mmx600mm, built in PCC (1:3:6) type C2 bed 15cm thick at bottom, brick work in CM 1:6 upto 45cm over PCC bed and PCC (1:3:6) type C1 coping 15cm above, embedded with MS angle 50mmx50mmx3mm frame work duly painted with anti corrosive bituminous paint, with and including RCC slab 50mm thick in cement concrete (1:2:4) type B1, reinforced with XPM (weight not less than 4Kg per Sqm) having lifting arrangement duly painted in green and making earth pit as directed. (e) On testing, after completion, if the earth resistance < 2 ohms is not obtained, earthing will be regenerated at no extra cost till the desired earth resistance is obtained. (f) GI tubing, bib tap etc for provisioning of continuous water supply at earthing pit will be measured and paid seperately under respective schedule of the contract.

Notes:- (a) The amount of Rs. 163337/- against Schedule of Credit on Page No. 139 shall be deducted from the total amount quoted against Sch 'A' while deriving the Contract Sum for Acceptance. (b) As contract is maintenance nature the site shall be handed over in pieces as per site availability from users.

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