Tender For Comprehensive Maintenance Repairs To Certain Ac Plants And Connected Items At Mh Under Ge East Jrc; 1 Material and labour for de-scaling of condenser unit/evaporator unit (Water cooled type) 50 TR central type AC plant unit with copper tubes by removing nuts & bolts of side cover plates, water connection and filling up of de-scaling chemical in condenser and manually cleaning of copper tubes with using long Nylon brush of superior quality, iron rod for removing of complete scaling from tubes and water circulation through condenser including replacement of rubber gasket, tightening side cover plates with nut, bolts and making necessary connectionscomplete all as specified and as directed. (OT AC Plant in MH) 2 M&L forservicing of Air handling unit5000/8000 CFM of central AC plant by removing filters, assembling filters and testing for the following parts. (a)Inspect filters, removing and cleaning by using vaccum cleaner, blower and refixing the same. (b) Clean cooling coil, fins byusing caustic soda and water pressure method and applying Grease for all motors, check and adjust belt tension if required, check condition of blower shaft, impeller and bearings, tightening of all electrical terminations, clean water line strainers, check proper balancing system , check for noise and vibration.(c)Check healthy operation of controls and safety devices. 3 M&L forservicing of compressor unit 50TR capacity of central AC plant by removing filters, assembling filters and testing for the following parts. (a) Inspectfilters, removing and cleaning by using vaccum cleaner, air blower and refixing the same. (b) Inspect solenoid valves, pressure sensors.(c) Check healthy operation of controls and safety devices. 4 Taking down the old discharge/suction/oil pressure sensor and Supply and fix new discharge pressure sensor testing and commissioning 0-25 bar or range as existing at site, output 4-20 mA with connection nipple as per site req. for existing 50 TR compressor ofMake VOLTAS 5 Taking down the old oil filter and supply and fix new oil filter, testing and commissioning for 50 TR compressor make VOLTAS 6 Taking down the old liquid line filter and supply and fix new liquid line filter, testing and commissioning for 50 TR chiller unit of Make VOLTAS. 7 Taking down the old safety valve and supply and fix new safety valve and replacement of gasket, testing and commissioning for 50 TR chiller unit of make VOLTAS. 8 Taking down the old solenoidvalve and supply and fix new solenoid valve, operating voltage as per existing, testing and commissioning for 50 TR chiller unit of make VOLTAS. 9 Taking down the old copper coil of solenoid valve and supply and fix new copper coil, operating voltage, testing and commissioning for 50 TR chiller unit of make VOLTAS.. 10 Taking down the old suction filter and supply and fix new suction filter, testing and commissioning for 50 TR chiller unitof make VOLTAS. 11 Taking down the old sensor and supply and fix new chilled water sensor of speed matching to existing, testing and commissioning for 50 TR chiller unitof make VOLTAS. 12 Supply and fixing in replacementthermalexpansionvalvesuitableforcentral water cooled chiller type ACplantunit 50 TR of make VOLTAS capacitycompleteall as specified and directed. Make:- Sporlan/ Danfoss/ Renutrol or equivalent. 13 Supply and filling in fresh compressor oil N-68 for compressor of AC plant of various capacities to ensure the development of required oil pressure complete all as specified or as directed by Engineer-in-Charge.Make :- Indian oil/ Bharat Petroleum/ Servo or equivalentNote :- Compressor oil shall be supplied in company sealed containers only. 14 Supply and fixing in replacement compressor shaft oil seal of50 TR Voltas make compressor unit .Make-Voltas or equivalent. 15 Servicing of cooling tower of capacity 100 TR plant by replacement of blocked/broken nozzles, checking of Cooling tower fan and motor, cleaning descaling of complete fins including replacement of broken fin, cleaning water tray, valves, piping etc and testing complete all as specified and directed. 16 Supply and fix in replacement Finned strip heater made of GP sheathing having terminals at one end and two holes for horizontal installation of capacity 3 KW in Air Conditioningplant installed at various locations complete all as specified or as directed.Make:- Daspass/Lazer/Usha 17 S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 460 x 510 x 50mm having dust filtration level 5 micron 95% efficiencyas per existing type, make and size complete all as specified and as directed.(OT FA-6, LR-12) 18 S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 420 x 510 x 50mm having dust filtration level 5 micron 95% efficiencyas per existing type, make and size complete all as specified and as directed.(ICU) 19 S&F HEPA (High-Efficiency Particulate Air) filter of size 24 x 24 x 12 constructed withgalvanised steel frames box type having dust filtration level 0.3 micron 99% efficiencyas per existing type, make and size complete all as specified and as directed.Make for srl item No. 17 to 19 Mechmaark/Spectrum/American Air filters 20 Design, Supply,installation, testing and commissioningoffactory built, weather proof, floor mounteddouble skin chilled water type, Air handling unit (AHU) Cabinet Type, with Filters having Airhandlingcap 6500 CFM , SP 125mm wg complete with specifications and capacities as under :-(a) Panel Construction and Casing.(b) Frame:Thermal break aluminium profile with thermal barrier with 25 mm thick panels.Frame should be assembled using glass fibre reinforced nylon joints/ corner.(c) Panel:Panel shall be double construction, CFC free PUF insulation panel 25+-2mm thick having density 40 ± 2 Kg/M3. factory injectedby injection moulding machine. Outer skin-----0.8 mm thick pre coated GI sheet. Inner skin ----0.8 mm thick plain GI sheet.(d) AHU shall have Water Tight Positive Pressure access/ service door duly interlocked with fan. AHU shall have Thermallyinsulated totally sealed glass inspection window.Door shall be hinged type, hinged shall be casted powder coatedzinc alloy. Flush Lock and Handle shall be of glass fiber reinforced polyamide . Inspection lamp with limit switch.(e) Base Frame : Base frame made of G.S.S.(f)The dampers shall be made of low leakage Aerofoil design in Aluminium Anodised.OLd AHU unit to be dismantled and deposited to MES yard withut any extra cost, Rate to be quoted accordingly 21 Servicing of packaged type AC of capacity 2 x 5.50 TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections complete all as directed.Location-7011 EMENote: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT. Servicing shall be done by OEM Rate should be quoted accordingly 22 Servicing of packaged type AC of capacity2 x 11TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections complete all as directed.Location- 21 WEUNote: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT. Servicing shall be done by OEM Rate should be quoted accordingly 23 Servicing of packaged type AC of capacity 3 x 15 TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections and testing for satisfactory functioning complete all as directed.Location -ICU RoomNote: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT. Servicing shall be done by OEM. Rate should be quoted accordingly 24 Servicing of packaged type AC of capacity3 x 22 TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections and testing for satisfactory functioning complete all as directed. Location-labour RoomNote: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT. Servicing shall be done by OEM. Rate should be quoted accordingly 25 Servicing of walk-in cooler of capacity 9000 ltr with PUF panel cabin such as checking Gas pressure and for any gas leakage, cleaning of condensing/evaporating coil with water for better performance of cold store, cleaning and greasing of condensing blower motor, cooling fan motors, Cleaning and washing of complete indoor and outdoor unit and PUF cabin, cleaning of condensers unit, checking tightening of all electrical connections and testing for satisfactory functioning complete all as directed.Location- Patient Cook House/ QM Store 26 Servicing of Cold store unit of capacity 2x5.5 TR / 2 X 8.5 TR such as checking Gas pressure and gas leakage, cleaning of condensing coil with water for better performance of cold store, cleaning and greasing of condensing blower motor, cooling fan motor, cleaning of condensers unit, checking tightening of all electrical connections and testing for satisfactory functioning complete all as directed.Note: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT. Servicing shall be done by OEM i.e bluestar. Rate should be quoted accordingly Location- Medical Ward & Blood Bank 27 Preparation of old painted surfacesof AC plant central type of capacity 3 x 50 TR including all motors, condensers, pumps, MS Pipes of various sizes, cooling tower painting with super enameled paint of approved colour & superior quality with spray gun two coats incl preparation of surfaces and scraping old paint, filling cavities incl marking directional arrows for flow identification complete all as specified and as directed. 28 M&L for disconnecting electric motor 7.5HP, taking down and transporting to workshop, dismantling the same and taking out rotor assembly removing burnt winding coil of stator, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator dulyvarnished and insulated with superior quality insulation material, replacement of old connection lead with superior quality PVC copper cable with stranded copper conductor from motor to connection plate, replacement of ball bearing, reassembling the motor, shifting to work site and connecting with the system, testing on full load complete all as specified and as directed by Engineer-in-Charge. 29 All as per srl item No 28 here-in-before but of 5 HP electric motor. 30 All as per srl item No 28 here-in-before but of 3 HP electric motor. 31 Repair/ maint by Dismantling the mono block pump set with motor any make, 7.5 HP capacity, servicing by cleaning, lubricating and by replacing of ball bearing, gland bolt, nut and washers, terminal connector, machining of shaft, gasket, gland rope, mounting bolts, reassembling, refixing with bed and testing complete all 32 Taking down blower with motor of AHU/Package type AC any capacity, repair by cleaning , lubricating , filling of metal, machining/ grinding of shaft to match size, replacement of ball bearing, mounting bolts, reassembling and testing complete. 33 M&L for replacement of Fan blade heavy duty type of condensor fan motor of of capacity 250W to 500W as per existingsize all as specified and directed. 34 M & L Check for any refrigerant leaks through flare joints, valve glands or any of the loc in refrigerantsystem with help of leak detector device, soap solution,halide torch or electronic leak detector and arresting leakages including necessary welding, brazing works binding with teflon tape as required at site andtopping up the gas for required suction & discharge pressurefor50 TR unit of central type AC Plant.Note : Refrigerantshall be measured and paid seperately. 35 Material and labour for charging Nitrogen Gas in 50 TR capacity chiller unit of centralAC plant maintaining pressure 350 Psi for checking of Gas leakage and removing water vapour choked in line, flushing out the complete system including gas leakage and detection with halide torch/ soap foam solution in system including gas welding flushing and making good the pipe line to make the system leak proof, vaccumising the plant by using vaccum pump up to (-) 30 PSIG pressure and hold the same under vaccum pressure upto 24 hours & gas charging complete all as specified and as directed. Note : Refrigerantshall be measured and paid seperately. 36 M&L for Over voltage, undervoltage protection relay complet of make L&T/ GIC/ Siemens/ Minilec/ Schneider/ C&S complete. 37 Supply and charging refrigerant Gas R-22 forAC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge. 38 Supply and charging refrigerant Gas R-407 forAC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge. 39 Supply and charging refrigerant Gas R-410 a forAC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge. 40 Supply, install, testing and commisioning of microprocessor type Chiller control unit with display board complete set suitable for 50 TR water chiller unit of central type AC plant make VOLTAS as per existing pattern for making plant functioning satisfactory incl all connections complete all as directed. Make : Softhard or equivalent as approved by GE. 41 Supply, install, testing and commisioning ofPackage type AC microprocessr type control unit with display board complete set suitable for 15 TR / 22 TRmulti-unit package AC plant as per existing pattern for making plant functioning satisfactory incl all connections complete all as directed. Make : Softhard or equivalent as approved by GE. 42 Supply and fixing in replacement Water pressure gauge 4” dia, range 0 to 100 Psi complete all as specified or as directed by Engineer-in-Charge. Make:- Fiebig/Guru/york 43 Supply and fixing in replacement of V- belt B-76 heavy duty complete all as specified or as directed by Engineer-in-Charge. Make:- Fenner/Dunlop or equivalent 44 Supply and fixing in replacement in replacement of V- belt A-29 to A-45 heavy duty complete all as specified or as directed by Engineer-in-Charge. Make:- Fenner/Dunlop or equivalent 45 Supply and fixcompressor 7.5 TR, model 06D/ 018 for Voltas Packaged AC plant unitand testing complete installed at ICU AC plant all as per specified and directed. 46 M&L for disconnecting all connections of semi hermetic compressor cap 7.5 TR of Voltas Model No. 6D-18 of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out motor assembly removing burnt winding coil, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator dulyvarnishing and insulated with superior quality insulation material, replacement of minor parts if required, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge.Note : Refrigerantshall be measured and paid seperately. 47 M&L for disconnecting all connections of semi hermetic compressor cap 7.5 TR of Voltas model No. 6D-18 of package type AC plant, taking down and transporting to workshop, dismantling the same and taking outcompressor assembly, replacement of required parts , reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge.Note : Refrigerantshall be measured and paid seperately. 48 M&L for disconnecting all connections of hermetic compressor cap 11 TR of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out motor assembly removing burnt winding coil, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator dulyvarnishing and insulated with superior quality insulation material, replacement of minor parts if required, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge.Note : Refrigerantshall be measured and paid seperately. 49 M&L for disconnecting all connections ofhermetic compressor cap 11 TR of Voltas make of package type AC plant, taking down and transporting to workshop, dismantling the same and taking outcompressor assembly, replacement of required parts , reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge.Note : Refrigerantshall be measured and paid seperately. 50 Supply and fixing in replacement connecting and testing of compressor scrolled sealed unit of capacity 11 TR performer,forPackage AC plant includinggas charging and testingcomplete installed at Labour room all as specified and as directed. 51 Supply and fixing in replacement connecting and testing of compressor scrolled sealed unit of capacity 5.5 TR performer,forPackage AC plant/cold storeincludinggas charging and testingcomplete all as specified and as directed. Note:Refrigerantshall be measured and paid seperately under relevant item. 52 Supply and fix Single phase preventor having voltage unbalance and phase reversal protection. Make GIC/L&T or other equivalent approved make. 53 Supply and fix in replacement of electronic timer 240v, 50 Hz, 3-30 sec for star delta starter. Make L&T/ GIC/ Legrand/ Minilec or equivalent. 54 Taking down defective PCB of 50 TR water cooled chiller unit, making neccesary repair work and make it fully functional and fixing, testing complete all as specified and directed. 55 Taking down defective PCB of 5.5 to 22 TR, making neccesary repair work and make it functional all as specified and directed. 56 Supply and fixing in replacement Contactor, upto 10 amp 3 pole, coil voltage as per existing model complete all as specified and directed. 57 Supply and fixing in replacement Contactor, 12-22 amp 3 pole, coil voltage as per existingcomplete all as specified and as directed. 58 Supply and fixing in replacement Contactor, 32-45 amp 3 pole, coil voltage as per existingcomplete all as specified and as directed. 59 Supply and fixing in replacement Contactor, 63 amp 3 pole, coil voltage as per existingcomplete all as specified and as directed. 60 Supply and fixing in replacement toggle 5 Amp switch two way brass handle as per sample. 61 Supply and fixing in replacement of pressure switchLP/HP cut out M15 as per sample. 62 Supply and fixing in replacement over load Relay 6 to 10 Amp 63 Supply and fixing in replacement over load Relay 10 to 15 Amp 64 Supply, fixing, connecting, and testing condenser fan motor of outdoor air-cooled condensers of AC plant / cold storecapacity 5.5 TR / 7.5TR / 11TR as per existing type and size including taking out old unserviceable motor complete all as per specified and directed. 65 Supply, fixing, connecting, and testing in replacement evaporatorfan motor of cold store capacity 5.5TR / 7.5 TR/ 8.5 TRas per existing type and size including taking out old unserviceable motor complete all as per specified and directed. 66 Supply, fixing, connecting and testingin replacementmolecular drier cum strainer on line type of size 3/8 x 3/8 make Danfoss in AC plant capacity 5.5 TR / 7.5 TR / 11 TR as per existing type and size including taking out old unserviceable drier complete all as per specified and directed. 67 Supply, installation of GI construction Volume control Dampers, lever operated type as per existing size and specifications including required accessories, taking down old dampercomplete all as specified and as directed. 68 S & Fix Fabrication of Aluminium duct incl Supply, assembly and erection of aluminium sheet 20 gaugerectangular/square duct made out of L shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc including taking down old duct complete all as specified and directed.Location ICU ward 69 Supply,installation,testingandcommissioningofclosedcellNitrilerubber insulation 15mm thick of density min 40 - 60 kg/m3 with proper adhesive and sealed with 75 mm wide BOPP Tape on all longitudinal/transverse jointson ducts complete as per specifications. 70 Supply and Application of internal acoustic lining of 10 mm thick over supplyairducting using open cell nitrile rubber insulation with density within 30-40 Kg/m3 as per theapprovedshopdrawingsandspecifications.Insulationmaterialshallbe bonded with the ducts using metal screw and washers to facilitate grip to the GI sheet. Make : Supreme/UP Twiga/Kflex/Armaflex 71 Fabrication of PGI duct incl Supply, assembly and erection of GI sheet 26 gauge with C &SS rectangular/square duct made out of L shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc complete of size 26 Gauge including taking down old duct complete all as specified and directed. 72 M&L for duct insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, 40MM thickness of insulation complete all as specified and directed. 73 S & F in replacementrolled mild steel work in joist, channel, angle, or tee sections, fixed independently, without connecting plates etc., quality confirming to GDE Fe-410-w for cooling tower repair and pump mounting base incl cutting, drilling, welding to make required structure and painting with two coats of synthetic enamelled paint over a coat of red oxide complete all as specified and as directed. 74 S&F in replacement Flanged butterflyvalve for MS pipe heavy grade 150mm dia bore all as specified and directed. 75 S&F in replacement Flanged butterflyvalve for MS pipe heavy grade 100mm dia bore all as specified and directed. 76 Material and labour for cold water pipe insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, 40MM thickness of insulation as specified 77 Supply, install, testing in replacementGI pipe medium grade 20mm dia laid in floor/ wall including neccessary GI fittings complete all as specified and directed. 78 Supply and fix in replacement Brass ball valve suitable for 20mm GI pipe complete all as specified and directed.Note: for item No. 1 to 78 (a)The above mentioned items will be replaced based on day to day complaints and no extra cost will payable for attending complaints. Contractor will quote the rate accordingly.(b) Number of complaints may vary day to day. Contractor shall quote his rates accordingly. (c) In case of failure on the part of contractor for attending complaints a penalty shall be imposed and recovered as specified in Particular Specifications. (d) Contractor shall ensure that the deployed electrician & helper will carry all T&P, live mobile phone while on duty and will be on contact with JE/ Engineer-in-Charge without any extra cost payable to contractor.(e) Contractor shall be responsible for collection of all ON LINE, off line/ telephonic complaints and handing over the same to complaint cell after rectification duly signed by user with details of stores fixed after attending/ completion of the job on the same day. (f) Contractor shall handover min 40% of these items within one month to 45 days after commencement of workto concerned JE incharge which will be issued for fixing on the basis of day to day complaints. The recovery of Rs 1500 per day shall be levied in case of default. 79 Supply & Fixing linear type aluminium air grill for supply/return air complete with OBSS damper all as specified & directed. 80 M & L for PUF insulation of thickness 60 MM thick rigid polyurethen foam (PUF) panelinsulation havig PPGI finsh with sheet thickness 0.4 mm on both sides,fro made swing type door as of existing size to maintain temperature range+2 to +6 degree complete all as specified and directed. 81 Supply and Fixing in replacement the 7.5 Ton out door air cooled copper tube condensor coil tubes of copper only power supply 415 V 3 PH 50 Hz suitable for package AC 2*15 TR complete all as specified and directed. 82 Attending breakdown(except periodical maintenace) by skilled Ref Engineer & Mechanic for any type package AC plant/cold store of capacity 5 TR to 22 TR, diagonising the fault, repair/replacement of unserviceable parts including carrying out minor repairs such as changing of small pieces of wires, tightening of loosen electric connections ,nuts, bolts screws, or switches, disconnecting andrefixing of LT cables etc as required to make the system functional in minimum time by deploying sufficient technician alongwith with helper incl necessay T & P complete all as specified and directed. 83 Attending breakdown(except periodical maintenace) by skilled Ref Engineer & mechanic for centre AC plant of capacity 3*50 TR diagonising the fault, repair/replacement of unserviceable parts including carrying out minor repairs such as changing of small pieces of wires, tightening of loosen electric connections ,nuts, bolts screws, or switches, disconnecting andrefixing of LT cables etc as required to make the system functional in minimum time by deploying sufficient Engineer/ technician alongwith with helper incl necessay T & P complete all as specified and directed. 84 Excavation in trenches in soft/loose soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth for laying of cables and gettingout complete all as specifiedand directed by Engineer-in-Charge. 85 Returning, filling in, including spreading, leveling watering and well ramming in layers not exceeding 25 cms thick each layer compete all as specified and directed by Engineer-in-Charge. 86 Removal of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point completeall as specified and directed by Engr-in-charge. 87 Material and labour for sand cushioning with a layer of sand 8cm thick before laying of cable and 15 cm thick after laying of cable in trenches complete all as specified. 88 Supplying and laying Factory made un-reinforced precast concrete cable cover ISI marked, class LV, type I, flat, size 250mm x 150mm x 40mm complete all as specified and as directed. 89 Supplying, laying, jointing and testing in replacement1100 volts grade LT underground XLPE insulated armoured PVC sheathed heavy duty electric cable of size 70 Sqmm 3.5 core with stranded aluminium conductor, laid in trenches, in floor, in duct, cable tray ,through pipes or along the pole including taking up existing defective cable complete all as specified and directed. 90 Ditto as per item No 89 above but of size 25 sqmm 3.5 core 91 Ditto as per item No 89 above but of size 35 sqmm 3.5 core 92 Ditto as per item No 89 above but of size 50 sqmm 3.5 core 93 Ditto as per item No 89 above but of size 16 sqmm 4.0 core 94 S & Fin replacement MCCB 400 Amps, 4 pole, 50 kA with Adjustable thermal magnetic release, Ics = 100% Icu , 415 volts, 50 Hz with phase barrier/phase seperator/spacer with copper spreader linksand required nut, bolts or other fixing accessories complete. 95 S & Fin replacement MCCB 250 Amps, 4 pole, 35 kA with Adjustable thermal magnetic release, Ics = 100% Icu , 415 volts, 50 Hz with phase barrier/phase seperator/spacer with copper spreader linksand required nut, bolts or other fixing accessories complete. 96 S & Fin replacement MCCB 200 Amps, 4 pole, 35 kA with Adjustable thermal magnetic release, Ics = 100% Icu , 415 volts, 50 Hz with phase barrier/phase seperator/spacer with copper spreader linksand required nut, bolts or other fixing accessories complete. 97 S & Fin replacement MCCB 160 Amps, 4 pole, 25 kA with Adjustable thermal magnetic release, Ics = 75% Icu , 415 volts, 50 Hz with phase barrier/phase seperator/spacer with copper spreader linksand required nut, bolts or other fixing accessories complete. 98 S & Fin replacement MCCB 100 Amps, 4 pole, 16 kA with Adjustable thermal magnetic release, Ics = 75% Icu , 415 volts, 50 Hz with phase barrier/phase seperator/spacer with copper spreader linksand required nut, bolts or other fixing accessories complete. 99 M & L for in replacement MCB SPN 63 A, 230 V, having rupturing capacity 10 KA, of rating complete all as specified and directed.. 100 Material and labour in replacement earthing complete with GI or steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground vertically in a pit not less than 2.25 meter below ground level with top edge of earth plate at a depth not less than 1.5 meter below level covered on all sideswith alternative layers of charcoal dust and common salt 15 cm thick connected to galvanised earth lead Galvanised Iron strip 32 x 6 cm by means of bolts, nuts, check nuts and washers of Galvanised Iron or steel with protection pipeearth wireprotected by galvanized steel pipe light grade 40 mm bore from top of the earth plate electrode upto test point and watering pipe 20mm bore, GI light grade with funnel and wire mesh all as shown in electrical plate No 3 of SSR Part-1 and connected to earthing test point all as specified or indicated and testing on completion, including PCC earth pit (1:3:6) type C-2 RCCcovered with CI cover hinged with frame including excavation and earth work complete all as specified and directed. 101 S & F in replacement25 mm x 3 mm aluminumstrip as earth continuity conductor including fixing from test point to equipement complete all as speicified & directed by Engineer-in-charge. 102 Supply and fixing in replacementof structural Iron work for fabricating, construction of fire stand,Iron ladder, MS railing, support structure, pit cover with angle iron frame, MS blank flange of suitable dia having reqd holessuitable size as existing at different site including nuts, bolts, washers, cutting, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed 103 Supply and Fixing in replacementof powder coated MS cable tray of size 40mm*100mm*40mm of thickness 1.6 mm of perforated type with perforation not more than 17.5 % in conventional sections, joined with connecters, suspended from ceiling /wall with M.S. suspenders including nuts, bolts, copper wire /LT Cable complete all as specified and directed 104 Supply and Fixing in replacementof powder coated MS cable tray of size 50mm*300mm*50mm of thickness 1.6 mm of perforated type with perforation not more than 17.5 % in conventional sections, joined with connecters, suspended from ceiling /wall with M.S. suspenders including nuts, bolts, copper wire /LT Cable complete all as specified and directed
