CERTAIN MAINTENANCE/REPAIR OF E/M WORKS IN WSA AREA AT AF STN TEZPUR UNDER GE (AF) TEZPUR.

Amount

Dismantling steel poles/struts, any size complete all as directed.

Taking out existing PVC/XLPE insulated, PVC sheathed,armoured U/G cables,1100 Volts grade from trenches/ducts/ poles etc of size up to 16 Sq mm 2/3 ½ /4 core, complete all as directed.

Taking out existing PVC/XLPE insulated, PVC sheathed, armoured U/G cables, 1100 Volts grade from trenches/ducts/ poles etc of size exc. 25 Sq mm but not exc. 95 Sqmm, 3 ½ core, complete all as directed.

Taking down existing,PVC/LDPE/HDPE pipe, 32 mm bore, of any description,in trenches or fixed to poles/Walls etc,including all fittings, complete all as directed.

Taking down existing, galvanized steel tubing, 50 mm bore, of any grade,in trenches or fixed to poles/Walls etc,including all fittings, complete all as directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil , complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc. n exc 10 sq m on plan and exc 1.5 m but n exc 3.0 m in depth and getting out in soft/loose soil , complete all as specified and directed.

Returning filling in soft/loose soil, including, spreading levelling watering and well ramming in layers not exc. 25 cm complete all as specified and directed.

Removing excavated soils to a distance not exceeding 50 Metres and depositing where directed at a level n. exc. 1.5 M above the starting point complete all as specified and directed.

Materials and Labour for plain cement concrete (1:3:6) Type c-2 using 40 mm graded aggregate,in foundations,complete all as specified and directed.

Materials and Labour for providing cement concrete (1:2:4) Type B0 using 20 mm graded aggregate in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands,plinth courses, string courses,lacing courses, parapets and railings upto 60 cm in height,copings, kneelers, apex stones,bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating,complete all as specified and directed.

Laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 16 Sq. mm, 4 core, complete all as specified and directed. Note:- Serviceable cable obtained from Serial Item No. 2 Here in Before shall be re-used.

Laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area exc. 25 Sq mm but not exc. 95 Sqmm, 3 ½ core,complete all as specified and directed. Note:- Serviceable cable obtained from Serial Item No. 3 Here in Before shall be re-used.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 10 Sq. mm, 2 core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 10 Sq. mm, 4 core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 16 Sq. mm, 4 core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 25 Sq. mm, 4 core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 35 Sq. mm, 3 ½ core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 50 Sq. mm, 3 ½ core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 70 Sq. mm, 3 ½ core, complete all as specified and directed.

Supply,laying, jointing and testing of LT, XLPE insulated, PVC sheathed,armoured, heavy duty electric cables with aluminium conductor for working voltage up to and including 1100 volts, of Cross sectional area 95 Sq. mm, 3 ½ core, complete all as specified and directed.

Supply and filling in dry sand in cable trenches before and after the cables are laid, as in sand cushioning to cables complete all as specified and directed.

Supply and laying sub class ‘B’, bricks, in cable trenches, as cable protection complete all as specified and directed.

Re-laying old serviceable bricks, in cable trenches, as cable protection complete all as specified and directed. Note:-Old Serviceable bricks obtained from taking out vide BOQ/Schedule-A Serial Item No. 30,31 & 32 here in before shall be re-used.

Horizontal boring of holes, under road/ pavement / hard standing etc.,not exceeding 10 Metres in length, in any type of soil, suitable for passing through upto 50 mm bore, galvanised steel tubing,complete all as specified and directed.

Cutting chase for pass through cable protection pipe ,etc.in existing plain cement concrete pavement/ hardstanding/aprons etc. and making good, cutting in plain cement concrete (1:3:6) Type C1(using 20 mm graded aggregate),exceeding 20 cm but not exc 50 cm girth, complete all as specified and directed.

Supply and Laying 32 mm bore,low density polyethylene pipes (LDPE) of pressure rating 6 kg/ cm2, in trenches or fixed to poles/Walls etc,for cable protection, complete all as specified and directed.

Supply and Laying galvanized steel tubing,50 mm bore, light grade, in trenches or fixed to poles/Walls etc, for cable protection, complete all as specified and directed.

Supply and erect steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified, Type 410 SP-31 (9.00 Metres Long) all as specified and directed.

Materials and Labour for point wiring with 1.50 Sq. mm (nominal area) FRLSH PVC insulated and unsheathed, multi stranded copper conductor cable 1100 Volts grade, single core, laid in and including stove enamelled steel conduit complete with all fittings and accessories,fixed to walls/ceiling, including stove enamelled black steel junction box, with cover and outlets and including 1.50 Sq. mm (nominal area) FRLSH PVC insulated and unsheathed multi stranded copper conductor cable 1100 Volts grade, single core, earth continuity conductor connected to common earth dolly for,one light/fan point controlled by one switch ,including taking down carefully existing copper/ aluminium point wiring (light, fan, socket or power) complete including fittings such as switches, ceiling roses, pendent, regulators, sockets, light fittings etc, removing materials from site and making good disturbed surfaces of walls, floors etc,complete all as specified and directed.

Materials and Labour for point wiring with 4.00 Sq. mm (nominal area) FRLSH PVC insulated and unsheathed, multi stranded copper conductor cable 1100 Volts grade, single core, laid in and including stove enamelled steel conduit complete with all fittings and accessories,fixed to walls/ceiling, including stove enamelled black steel junction box, with cover and outlets and including 4.00 Sq. mm (nominal area) FRLHS PVC insulated and unsheathed multi stranded copper conductor cable 1100 Volts grade, single core, earth continuity conductor connected to common earth dolly for,one 3 Pin 15/16 Amps socket outlet independent,including taking down carefully existing copper/ aluminium point wiring (light, fan, socket or power) complete including fittings such as switches, ceiling roses, pendent, regulators, sockets, light fittings etc, removing materials from site and making good disturbed surfaces of walls, floors etc,complete all as specified and directed.

Supply and Fix,switch flame proof rotary type with termination box in LM6,16A,single pole 250V,complete all as specified and directed.

Supply and Fix in repair,switch flame proof rotary type with termination box in LM6,16A,single pole 250V,complete all as specified and directed.

Supply and Fix,flame proof switch socket & plug combined in LM6 cable termination box in LM6, 16A,250V, 2P+earth ,complete all as specified and directed.

Supply and Fix in repair,flame proof switch socket & plug combined in LM6 cable termination box in LM6, 16A,250V, 2P+earth, complete all as specified and directed.

Supply and Fixing LED light fitting 1x20 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass with LED tube light fixtures driver,holders, connector etc. complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size.,complete all as specified and directed.

Supply and Fixing LED light fitting 2x20 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum housing with heat resistant toughened glass with LED tube light fixtures driver,holders, connector etc. complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size.,complete all as specified and directed.

Supply and Fixing, Flameproof cum Waterproof LED Bulk Head light fitting of 30 W, IP66 protection of Cast Aluminum alloy material and Heat and Impact resistance toughen 'A' clear glass having Anti corrosive epoxy powder coated finish complete with all accessories pre wired and including connecting up with three core flexible copper conductor cable with suitable size,complete all as specified and directed.

Fixing Only flame proof light fittings of any description including connecting up with three core flexible copper conductor cable with suitable size,complete all as specified and directed. Note:- Old Existing Serviceable flameproof light fittings obtained from taking down point wiring shall be re-fixed.

Materials and Labour for two single core FRLSH PVC insulated unsheathed cable 4.00 Sq. mm. (Nominal area) with stranded copper conductor cable, 1100 Volts grade, drawn into and including stove enamelled steel conduit and continuous earth wire of single core FRLSH PVC insulated, unsheathed cable 4.00 Sq. mm (nominal area) with stranded copper conductor cable, 1100 Volts grade for circuit/sub main wiring,including taking down carefully existing copper/ aluminium circuit/submain wirings of any size (2 runs single core and earth continuity) complete including PVC casing capping/ PVC conduit/Steel Conduit with fittings etc, removing materials from site and making good disturbed surfaces of walls, floors etc.,complete all as specified and directed.

Materials and Labour for two single core FRLSH PVC insulated unsheathed cable 6.00 Sq. mm. (Nominal area) with stranded copper conductor cable, 1100 Volts grade, drawn into and including stove enamelled steel conduit and continuous earth wire of single core FRLSH PVC insulated, unsheathed cable 6.00 Sq. mm (nominal area) with stranded copper conductor cable, 1100 Volts grade for circuit/sub main wiring,including taking down carefully existing copper/ aluminium circuit/submain wirings of any size (2 runs single core and earth continuity) complete including PVC casing capping/ PVC conduit/Steel Conduit with fittings etc, removing materials from site and making good disturbed surfaces of walls, floors etc.,complete all as specified and directed.

Dressing/aligning of existing circuit/sub main wiring by taking down carefully existing copper/ aluminium circuit/submain wirings of any size (2 runs single core and earth continuity) complete including steel conduit with fittings etc.,making good disturbed surfaces of walls, floors etc.and refixing the same in original position,complete all as specified and directed. Note:- Damaged steel conduit for replacement if any will be measured and paid seperately under respective item of this BOQ.

Supply Only,20 mm external diameter,stove enamelled black,rigid steel conduit,welded,all as specified.

Materials and Labour for,street light bracket arm made out of 40 mm bore, medium grade, galvanized steel tubing 1.50 M long bent to shape required and two pairs of FI clamps made out of FI 25 mm X 3 mm, with nuts bolts washer suitable for fixing the bracket arm to top of steel/PSC pole,including taking down existing unserviceable street light bracket,complete all as specified and directed.

Supply and laying or fixing or passing through pipe,PVC insulated, sheathed, unarmored multi stranded copper conductor cable, 3 core, 1.5 Sq mm size,1100 Volts grade, in connection to street light/flood light fittings from control box,including taking down existing unserviceable cable,complete all as specified and directed.

Supply and Fix in repair, Cable Junction Box, IP66 ‘halogen free and weather proof’, size 155 mm (W) x 210 mm (H) x 92 mm (D), with knock outs for cable entry for cable size 10-16 sq mm with 03 (Three) Nos.Grommets, IP 65, cable entry M 32, all as per Cat No. DK 1616 G & Cat No.EDK 32 (For Grommets) of Make “Hensel” or equivalent Model of Make ‘Sintex Industries Ltd’/'C&S Electric Ltd',fixed to wall/ pole with suitable aluminium strip clamp 25 X 3 mm, nuts, bolts and washers, including provision of 15 Amps,4 pole,open bakelite terminal block connector, complete all as specified and directed.

Supply and Fix in repairs,time switches with 150 hours battery backup,FM1/Quartz Daily,240VAC Base/DIN Mounting,complete all as specified and directed. [Cat No.J648B1 of Make “L&T” or equivalent Model of Make Siemens/ Legrand / ABB]

Supply and Fix in repairs,3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, Type MNX, AC-3 rating 40 Amps and AC-1 rating 55 Amps, complete all as specified and directed. [Cat No.CS94190 of Make “L&T” or equivalent Model of Make Siemens/Schneider/ABB]

Supply and Fix in repairs, miniature circuit breaker (MCBs) triple pole & neutral, 415 Volts,10KA,'C' curve,63 Amps complete all as specified and directed. [Cat No.BB40630C of Make L&T or equivalent Model of Make Schneider/Seimens]

Supply and Fix in repairs, LED street light fittings,60 Watts,CCT 5700°K,with single piece pressure die cast aluminium housing and secondary optics with individual LEDs,lumen efficacy > 110/120 Lumens Per Watt,intregrated driver, surge protection 5 KV internal & 10 KV external and degree of protection IP-66, complete all as specified and directed. [Cat No.TRP-409-60-57-SL-GL-NSG of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Supply and Fix in repairs, LED street light fittings,70 Watts,CCT 5700°K,with single piece pressure die cast aluminium housing and secondary optics with individual LEDs,lumen efficacy > 110/120 Lumens Per Watt,intregrated driver, surge protection 5 KV internal & 10 KV external and degree of protection IP-66, complete all as specified and directed. [Cat No.TRP-409-70-57-SL-GL-NSG of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Supply and Fix in repairs, LED foodlight luminaire,120 Watts,with pressure die-cast aluminium housings,secondary lenses,CRI >70, CCT 5700+300 °K, Power Factor >95%, THD <10%, Driver Effciency >85%, lumen efficacy >110/120 Lumens/Watt, LED Driving Current 1.3-2.3A, AC input voltage 140V-275V, surge protection 5 KV internal & 10 KV external and degree of protection IP 66,complete all as specified and directed. [Cat No.TFS-504-120-57-60D-HL2-GL-NSG of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Supply and Fix in repairs, LED foodlight luminaire,150 Watts,with pressure die-cast aluminium housing,toughened glass,secondary lenses,CRI >70, CCT 5700+300 °K, Power Factor >95%, THD <10%, Driver Effciency >85%, lumen efficacy ≥110 Lumens/Watt, LED Driving Current 1.3-2.3A, AC input voltage 140V-275V, surge protection 5 KV internal & 10 KV external and degree of protection IP 66,complete all as specified and directed. [Cat No.CFS-501-150-57-60D-SL-GL-NGG of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE'] Notes:-(Applicable for BOQ Serial Item No. 79 & 80) (i) The light fittings shall be fixed in technical structures at a height of 12 Metres to 22 Metres above floor level. (ii) The light fittings shall be fixed with suitable fixing arrangements as per OEM's reccommendations and the cost of fixing arrangement shall be deemed to included in the quoted rate.

Disconnecting electrical connections,taking down carefully existing unserviceable LED street light fitting and LED flood light luminaries from pole/building/watch tower/masts/ sunshelter etc. dismantling of parts,replacement of unserviceable spares as required, reassebling after repairing/replacement of the same and re-fixing in the original position,reconnection of electrical connections,testing and commissioning,complete all as specified and directed. Note :- Spares will be measured and paid for sepeerately under respective items of this BOQ.

Supply Only, LED outdoor driver,70/75 Watts all as per OEMs specifications. [Make:-Philips/Bajaj/Crompton/Wipro/GE]

Supply Only, LED outdoor driver,120/150 Watts all as per OEMs specifications. [Make:-Philips/Bajaj/Crompton/Wipro/GE]

Supply Only, surge protection devices, 5KV, compatible with industrial and outdoor LED fixtures with rated power above 75W upto and including 150W,all as per OEMs specifications.[Make:-Philips/Bajaj/Crompton/Wipro/GE]

Supply, installation,testing and commissioning of Street Light Panel (Outdoor Type) 3 Phase, 415 Volt 6 KW, Digital timer, power contactor rating 32 Amp TP, including MCB TPN suitable size complete all as specified and direcetd. [Cat No IHXTS03060 of Make'Havells'or equivalent Model of Make Indo Asian/C&S Electric] Note:- The panel shall be fitted on MS angle iron frame of ISA 50x50x5mm at a height of 0.5 Metres above GL including PCC foundation (1:2:4) Type B1 for legs of the frame including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and including treating grouted portion of legs embedded in concrete with coal tar paint.

Repair/maintenance of existing high mast lighting system by disconnection of electrical connections,taking down carefully the winch drive assembly of lantern carriage,cleaning of steel wire rope,drive chain,drive gears,winch drum etc.,re assembelying the winch drive assembly,re- connection of electrical connections including lubricating steel wire rope,drive chain,drive gears,winch drum etc.including oil bath with fresh lubricants as per OEM's instructions,complete as specified and directed. Note :- Spares for replacement will be measured and paid seperately under respective items of this BOQ.

Supply Only,6 mm dia.,7/19 construction stainless steel wire rope (Grade AISI 316),breaking load capacity 2350 Kgs,complete all as specified.

Supply Only,gear pinion (02 + 02 =4 Nos.) suitable for winch drive mechanism of high mast lighting system as per OEM's specifications, complete all as specified. [OEM of High Mast Lighting System:-Crompton/Bajaj]

Supply Only,drive chain suitable for winch drive mechanism of high mast lighting system as per OEM's specifications,complete all as specified. [OEM of High Mast Lighting System:-Crompton/Bajaj]

Supply Only, MS Jubilee Clamp, 25 mm (16 Nos.) suitable for high mast lighting system as per OEM's specifications, complete all as specified. [OEM of High Mast Lighting System:-Crompton/Bajaj]

Dismantaling of winch drive motor, 3 Phase, 1 HP capacity,from double drum winch drive assembly of high mast lighting system, removing burnt out windings with insulating materials,cleaning throughly internally and externally, rewinding motor with super enamelled copper wires of existing size/gauge including provision of all insulating materials,lubrication of bearing / bushes using fresh lubricant all as per OEMs reccommendations, replacement of defective parts,re-assembling,including testing and commissioning, complete all as specified and directed. [OEM of High Mast Lighting System:- Crompton/Bajaj]

Supply and Fix in repairs, integral LED aviation light comprising of aluminium housing with polycarbonate enclosure, all as per Model ‘AVIATION LED', Product Code 110731 and Cat No.BGAV 302 LED of Make ‘Bajaj' or equivalent Model of Make 'Philips’/’Crompton’, complete all as specified and directed.

Supply and Fix, flame proof, weather proof enclosure for MCB Distribution Board, Single Phase and Neutral, with incoming & outgoing terminals chamber, bus bar chamber comprising of 02(Two) Nos. copper bus bars of suitable rating,separate MCB chambers suitable for accommodating 03 (Three) Nos. of 6-32 Amp. DP MCB 'C' curve,enclosure made of cast aluminium alloy LM6, weather proof IP65, finished inside and outside with light grey epoxy powder coating, including cable glands, terminals, hardware and mounting arrangement all as per Cat No. MCBDB/186 of Make “Sudhir” or equivalent Model of Make Balinga/Shyam,complete all as specified and directed.

Taking down carefully existing flame proof tube light fittings 1x36/40W,replacement of the lamp with 1 x 20 Watts LED glass T8 tube with in built driver and metal heat sinks,lumen efficacy 100 Lumens/Watt,refixing of light fittings in original position including connecting up with three core flexible copper conductor cable with suitable size,complete all as specified and directed. [Cat No.LT8-20-865-(2) of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Taking down carefully existing flame proof tube light fittings 2x36/40W,replacement of the lamp with 2 x 20 Watts LED glass T8 tube with in built driver and metal heat sinks,lumen efficacy 100 Lumens/Watt,refixing of light fittings in original position including connecting up with three core flexible copper conductor cable with suitable size,complete all as specified and directed. [Cat No.LT8-20-865-2 'CRYSTA' of Make 'Crompton Greaves' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Taking down carefully existing flame proof bulk head fittings 1x60/100W,replacement of the lamp with 1 x 26 Watts retrofit LED Lamp (Spiral B-22 base),lumen efficacy 100 Lumens/Watt, refixing of light fittings in original position including connecting up with three core flexible copper conductor cable with suitable size,complete all as specified and directed. [Cat No. Eternal Shine LED Lamp-26W of Make 'Orient' or equivalent Model of Make 'Philips'/ 'Wipro'/'GE']

Disconnection of existing VFD Panel of capacity/rating 18.5 KW VFD 25 HP,3 Phase variable frequency drive, form all incoming and outgoing electrical connections,checking serviceability of each components viz. MCBs, contactors,thermal overload relays, timers,indicator lights,display meters,controller etc.,replacement of burnt out internal wirings with with suitable size FRLSH PVC insulated multistranded copper conductor wires,replacement of defective lugs,thimbles etc.,replacement of defective parts,through cleaning of panel both internally and externally, re- interconnection of parts including reconnection of all incoming and outgoing electrical connections after repairs,testing and commissioning, complete all as specified and directed. Notes:- (i) The work shall be carried out through Authorised Original Equipment Manufacturer's Service Centre Engineers or through OEM Certified Agencies as approved by the Engineer in Charge. (ii) Spare Parts for replacement will be measured and paid seperately under respective items of this BOQ here in after.

Supply Only,miniature circuit breaker (MCBs) single pole & neutral , 230 Volts,10KA,'C' curve,6-32 Amps,complete all as specified. [Cat No. 'BB20060C/BB20100C/BB20160C/BB20200C/BB20250C/BB20320C' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB]

Supply Only,3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, Type MNX 22, AC-3 rating 22 Amps and AC-1 rating 32 Amps,with auxillary contacts 1NO/1NC,complete all as specified. [Cat No. 'CS94980/CS94981' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB]

Supply Only,Thermal Overload Relays,Type MN,suitable for MNX Contactor,conforming to IS/IEC 60947-4-1 & IEC 60947-4-1,Type MN 5 (Directly Operated),relay range 9 - 15 Amps,complete all as specified. [Cat No. 'SS94135OOBO' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB]

Supply Only,Thermal Overload Relays,Type MN,suitable for MNX Contactor,conforming to IS/IEC 60947-4-1 & IEC 60947-4-1,Type MN 5 (Directly Operated),relay range 66 - 110 Amps,complete all as specified. [Cat No. 'SS94137OOKO' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB]

Supply and Fix in repair,scroll type sealed compressor of capacity 20 TR with all accessories,base mounting accessories,liquid line and discharge line valves,safety valve including refrigerant charging and oil charging all as per OEM's specifications and including testing for satisfactory cooling effect and commissioning,complete all as specified and directed. [OEM: Denfoss Chiller Model No XAC2YS/080A Compressor Model No. SY300A4PBE (Location:Akash AC Plant)] Note:- Old unserviceable compressor shall be deposited to AGE E/M store yard and receipt voucher obtained.

Supply and Fix in repair,microprocessor controller with PCB suitable for water cooled unit of 180 TR capacity AC plant all as per OEM's specifications,including testing and commissioning,complete all as specified and directed. [Make:-CAREL Cat No. 'pCO ³ - M' (Location:Bramhmos AC Plant)]

Supply,installation,testing and commissioning of cooling tower 180 TR, induced draft counter flow type, material FRP casing, virgin PVC fill, PVC eliminators, MS HDG supporting structures, FRP cold water basin, header pipe with PVC branch pipes, fan blade and hub of cast aluminium alloy material, length 3000mm, width 3000 mm, height 3300mm, fill depth 600mm, Static Weight of Cooling Tower 2750 kgs,design range 4.2ºC, design approach 3.9ºC, fill flute size 12 mm, air inletall around, fan diameter 1800 mm, fan air flow 45360 mm, fan rpm 720 rpm, having water flow rate 720 USGPM, designed for Hot water temperature 36.4ºC and Cold water temperature 32.2ºC,design wet bulb temperature 28.3ºC with 7.5 HP,5.5 KW motor TEFC direct driven,415V, 50 Hz, 3 phase, 720 rpm suitable for AC plant (Location:Bramhmos AC Plant) all as per OEM's specifications including taking down existing cooling tower,complete all as specified and directed. [Make:-Global/Cooldrop/Advance/Weldon] Note:- Existing old cooling tower shall be deposited to AGE E/M store yard and receipt voucher obtained.

Supply,installation,testing and commissioning of,rotary actuator for 3 way ball valve,20 mm,for controllers,fitted vertically upright to horizontal onto the ball valve, with a switching output (2-/3-point control),synchronous motor with electronic activation and cut-out,maintenance-free gear unit which can be disengaged in order to position the ball valve manually (using the lever) with 24 Volt DC Motor,Supply Voltage (85~265VAC or 24VDC),Limit Switches 2 x open/close SPDT, 250 VAC rating 6A,Auxiliary Limit Switches 2 x open/close SPDT, 250 VAC rating 6A,Travel Angle 90 degree,Indicator LED lamp Indicator(Open/Close),Manual Override Push Button with Manual lever,Ambient Temperature -20℃ ~ + 60℃,Max Torque 30 Nm,Rated Current (110VAC,0.12A/220VAC,0.06A/24VDC,0.46A), Eletric Motor Stop 2.0 A,Operating Time 12 sec,bore size 11 mm Star,including bracket and bayonet ring made of glass-fibre-reinforced plastic for fitting onto ball valve,complete all as specified and directed. [Make:- Seimens/L&T/ABB]

Supply Only,refrigerant R 22 suitable for various AC plants,all as per OEM's specifications,complete all as specified.

(iii) Fully Automatic Star Delta Starter with Single Phase Preventer, in sheet steel enclosure, suitable for 20 HP,15 KW pump 3Ø, 415V, 50Hz, relay range 28-42 A,coil voltage 360V-W - 01(One) No. [Cat No. 'SS95975COFO' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB] (iv) Miniature circuit breaker (MCBs) single pole, 230 Volts,10KA,'C' curve,6 Amps. - 01(One) No. [Cat No. 'BB10060C' of Make 'L&T or equivalent Model of Make BCH/Seimens/ABB] (v) 3 pole power contactors conforming to IS / IEC 60947-4-1 & IEC 60947-4-1, Type MNX 40, AC-3 rating 40 Amps and AC-1 rating 55 Amps-03(Three) Nos. [Cat No.CS94190 of Make “L&T” or equivalent Model of Make Siemens/Schneider/ABB] (vi) Thermal overload relay,Type MN - suitable for MNX contactor, with built-in single phasing protection,manual and auto reset mode,type of mounting (Operation) MN 2 (Directly Operated),relay range 30 to 50 Amps.- 01(One) No. [Cat No.SS94136OOGO of Make “L&T” or equivalent Model of Make Legrand/ Hager/Seimens /GE/ Schneider/ABB] (vii) Electronic star delta timer,Type ST 100,160-500V,for 3-30 sec.- 01(One) No. [Cat No.ST80328OOOO of Make “L&T” or equivalent Model of Make Legrand/ Hager/Seimens /GE/ Schneider/ABB] (viii) Changeover (Local - Remote, Auto - Manual Switches) Switches with OFF (90º),2 P 2W,40 Amps - 01(One) No. [Cat No.61152 of Make “L&T” or equivalent Model of Make Legrand/ Hager/Seimens /GE/ Schneider/ABB] (ix) Flush Head Actuator - Green with Legend - START Contact - 1 ‘NO’ - 01(One) No. [Cat No.EP1FAB02 of Make “L&T” or equivalent Model of Make Legrand/ Hager/Seimens /GE/ Schneider/ABB] (x) Flush Head Actuator - Red with Legend - STOP Contact - 1 ‘NC’ - 01(One) No. [Cat No.EP1FAC01 of Make “L&T” or equivalent Model of Make Legrand/ Hager/Seimens /GE/ Schneider/ABB] (xi) Fuse holders & Fuse bases suitable for Cylindrical / DIN fuse-links,rated current 32 Amps,type HCO 32 for HF fuses 2 A to 32 A with Cylindrical fuse links Type HF,rated current 6 Amps suitable for Type HCO 32 Fuse base- 01 Set (Set of Three) [Cat No.SK91314 (For base) and SF90146 (For fuse link) of Make “L&T” or equivalent Model of Make Siemens/Schneider/ABB] (xii) 4 pole,open bakelite terminal block connector- 01(One) No. (xiii) BPL (Bar Primary Low Tension) Current Transformers, ratio 100/5A, accuracy class 1 - 01 Set (Set of Three)

Materials and Labour for earthing complete with galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanised steel earth lead wire 4 mm dia. by means of bolts, nuts check nuts and washers of galvanised steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 54 cm x 54 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia. MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 15 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil complete all as specified and indicated on electrical plate No 3 of SSR Part –I (2009) including testing on completion.

Materials and Labour for earthing complete with galvanised steel earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanised steel earth lead strip 32 mm x 6 mm by means of bolts, nuts check nuts and washers of galvanised steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 54 cm x 54 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia. MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 40 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil complete all as specified and indicated on electrical plate No 3 of SSR Part –I (2009) including testing on completion.

Materials and Labour for earthing complete with copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to copper earth lead strip 20 mm x 3 mm by means of bolts, nuts check nuts and washers of galvanised steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 54 cm x 54 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia. MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 25 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil complete all as specified and indicated on electrical plate No 3 of SSR Part –I (2009) including testing on completion.

Materials and Labour for maintenance free chemical earthing system using single spike 17.2mm dia, 3000mm long high tensile low carbon steel circular rod, molecularly bonded with copper on outer surface (minimum copper bonding thickness of 250 microns) meeting the requirements of Under Writers laboratories (UL) 467-2007 or latest with 250mm long copper strips of size 50X3 mm, exothermally welded on top of electrode complete including augering (boring) 100-125mm dia hole as required for electrode in any type of soil and back filling with combination of two chemical compounds (one is earth enhancing chemical compound as per IEEE 80 2000 clause 14.5d, conforming to IEC 62561-7, minimum quantity of compound use 15 Kg and second is earth enhancing back filled compound as per IEEE 80 2000 Clause 14.5(c), conforming to IEC 62561-7, min quantity of compound used 25Kg), thus minimum total qty 40 Kg per electrode, conforming to IEEE/BS standrads including pit cover light weight made out of high quality polymer with lid made of HDG steel, including nessary testings and commissioning, complete all as specified and as directed. Notes:- (i) The work of earthing shall be carried out by authorised trained rep of OEM. (ii) The acceptable earth resistance at earth busbar/ test point shall be as per users requirement as desired by Engr-in-Charge but it should be below 01 Ohm. At certain locations, it may not be possible to achieve desired earth resistance with one electrode / pit due to higher soil resistivity,in such cases, provision of loop earthing consisting of more than one earth electrode pits shall be done. The number of pits required shall be decided based on the resistivity of soil and resistance achieved for the earth pits already installed. The distance between two successive earth electrodes shall not be less than 3 metres. (iii) The procedure mentioned here-in-before for one earth pit shall be repeated for other earth pits. (iv) Additional earth electrode pits and loop conductor shall be measured and paid seperately . (v) The quoted rate shall also be included the following elements: (a) Complete earthwork including drilling holes for electrode.(b) Earhing electrode-01(One) No Only (c) Backfilling carbon based ground enhancing compound (GEC). (d) Pit cover light weight made out of high quality polymer with lid made of HDG steel. (e) Soil suitable for agricultural purpose required for each pit (f) Copper strip as earthing lead of size 50mmx3mm, 250 mm long only, beyond 250mm, other size will be measured and paid for separately under respective item(s) in this BOQ. (g) All Labour and T&P required including testing of earth network. (vi) Testing for earth resistance shall be carried out in presence of GE and Engr-in-Charge. (vii) Taking out existing unserviceable earthing system complete. (viii) Original purchase vouchers for copper rod and back fill compound and manufacturer test certificate of entire quantity shall be produced by the contractor before commencement of work. (ix) The Earthing shall be carried out with Soil suitable for Agricultural purpose.

SHRI D. C. BISWAS