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| 1 | Material and labour for carrying out servicing/overhauling , repairs and maintenance of Cooling tower of 48 TR Water cooled chiller type central AC plant by dismantling /taking down the CTfan motor of flange mounted extended type shaft upto 2 HP, 3 phase, 415 volts, 50 Hz, along with fan assembly, and including cleaning & removal of scales, inspection, cleaning and replacement of PVC fills, PVC eliminator, FRP louvers, motor cover, splash cups etc. complete including renewal of all corroded bolts & nuts, terminal block, and re-assembling, fixing in position, fixing of fan blade, and alignment of the fan blade for the suitable air throw of the cooling tower, painting with two coats of synthetic enamel paint over a coat of anticorrosive paint after preparation of surfaces,testing & commissioning the cooling tower motor, completeall as specified and directed. |
| 2 | Supply and fixing in repairs the following spares ofwater cooled chiller type central AC plant of capacity 3 x 24 TR(2x24 TR running & 1x24 TR Stand by) as per sample including testing & commissioning, complete all as specified and directed. |
| 3 | (a) HPSwitch/sensor |
| 4 | (b) LP Switch/sensor |
| 5 | (c) Expansion valve of capacity 24 TR scroll compressor |
| 6 | (d) Drier suitable for 24 TR scroll compressor |
| 7 | (e) Controller with all connected wiring/ safety protections suitable for 24 TR scroll compressor unit as per sample. |
| 8 | Note for item No.1.00 & 2.00:- (a)The rates inclusive for all T&P, chemicals required for cleaning, FRP compound, nut bolts and any other minor spares required etc. complete for keeping the Cooling tower in operational condition. |
| 9 | Supply and charging refrigerant R-22 complete one time for topping up or making full qty as per the pressure requirement,complete all as specified and directed. |
| 10 | Supply only compressor oil for carrying out repairs underrelevant items here-in-above,complete all as specified and directed. |
| 11 | Supply & Fixing of 100mm Dial Suction Pressure gauge suitable for R-22 Gas service with suitable adapter,complete all as specified and directed. |
| 12 | Supply & Fixing of 100mm Dial Discharge Pressure gauge suitable for R-22 Gas service with suitable adapter,complete all as specified and directed. |
| 13 | Supply & Fixing of 100mm Dial Oil Pressure gauge with suitable adapter,complete all as specified and directed. |
| 14 | Supply & Fixing of capacity control solenoid valve of 3 way connection and suitable to operate in 230V 50Hz AC for SMC series ACCEL make compressor,complete all as specified and directed. |
| 15 | M&L for servicing the Air handling units approx. 7000 CFM capacity (2ASD central AC plant ), with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent(Vaniklin) at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters, greasing of blower motor, replacement of un serviceable bearings,water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit, complete all as specified and directed by Engineer-in-Charge. Note : Quoted rate inclusive renewal/replacement of AHU belts complete. M/L for pre-filters will be measured and paid separately. |
| 16 | S&F of pre filter for AHU having 90% down to 10 Microns as per site sample,complete all as specified and directed. |
| 17 | Supply, installation, testing & commissioning in replacement of unsv HEPA filter having filtration level 99.9% downto 0.03 Microns, complete all as specified and directed. |
| 18 | Material and labour for servicing/cleaning of chiller unit including aluminium fins with dilute chemical solution under high pressure of flow and with the help of nylon brush 3-4 times followed by the cleaning and washing with water (water point shall be given at AC Plant) so that chemical solution is completely cleaned out from the system. Replacement of nut, bolt and washers of suitable size whichever are existing UNSV, assembling the dismantled parts carefully, sealing all joints with ruptum brazing as required, complete all as specified and directed. |
| 19 | Replacement of existing oil seal assembly and key of the shaft and testing for any leakage of coolant and testing the same and rectifying the defects noticed,complete all as specified and directed. |
| 20 | Descaling of chiller water pipe line of 24 TR chiller plant by draining chilled water from equipments and pipes. Recirculating water inside the pipes with descaling liquid solution(Carbon Tetra Chloride Solution) and flushing out 3-4 times. Recirculating fresh water inside the pipes and flushing out five to six times so that descaling liquid is completely cleaned out along with Scales from the pipe line, complete all as specified and directed. |
| 21 | M&L for dismantling the defective induction motor of any make, any duty or any class of insulation from the bed, duly coupled with pump/ compressor, transporting to workshop, removing burnt out winding from stator/ rotor, rewinding with suitable gauge of super enamelled copper wire of approved make and replacing drive end and non drive end bearings, insulation materials, varnishing, heating, re-assembling, testing and commissioning of the following capacities including replacing base frame bolts & nuts, complete all as specified and directed.Notes: (i) Motor removed for re-winding shall be overhauled completely and quoted rate is inclusive for the same. (a) 3 HP up to 5 HP |
| 22 | M&L for taking down mono block type water pumps of 03 to 05 HP by disconnecting the power supply cables, water lines both inlet & outlet, providing dummy flanges with gasket and overhauling pump sets, renewal of the worn out gland packages/ seal pack, bearings, bushes and gasket packing, greasing cleaning & removal of the scale in impeller, assembling the pump sets fixing in position, inter connecting the suction & discharges, connecting up the cable, testing and commission the following capacity pumps, complete all as specified and directed. |
| 23 | M&L for taking down the defective fan motor of flange mounted extended type shaft upto 3 HP, 3 phase, 415 volts, 50 Hz, along with fan assembly, and dismantling the motor complete cleaning with CTC, including rewinding the motor with appropriate gauge copper wire, necessary paper, tape, terminal etc., insulation shall be of class ‘F’ and degree of protection shall be IP-55, the work includes renewal of all corroded bolts & nuts, terminal block, and assembling, fixing in position, fixing of fan blade, and alignment of the fan blade for the suitable air throw of the cooling tower, testing & commissioning the cooling tower motor, complete all as specified and directed. |
| 24 | Supply and fixing in repairs 3 pole power contactor of 32 to 40 A rated operational current carrying capacity(AC3 duty), with coil operating voltage 230 V/ 415 V AC 50 HZ as per site sample,complete all as specified and directed. |
| 25 | Supply and fixing in repairs overload relay with operating range 32 to 40 A,complete all as specified and directed. |
| 26 | Supply, assembly and erection of GI sheet with TDF flange/ 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 24 Gauge of any heights including dismantling old defective one,complete all as specified and directed. |
| 27 | Removing the worn-out duct insulation carefully , cleaning/preparation of surfaces and M&L for duct insulation (40 MM THICK) with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation as specified and including the following:-a) M&L for cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of mill scale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b)M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leak-proof. (d) M & L for securing the insulation with and including mechanically fastened nylon/ steel straps of size 12 mm/50 mm at maximum intervals of 1.2 mtr. |
| 28 | M & L for Insulation of M S Pipe with PUF slab 30 mm thick or EPF insulation 50 mm thick , with and including applying bituminous compound and Aluminium cladding with 26 gauge sheet complete of 50 mm size including dismantling old worn out cladding,complete all as specified and directed. |
| 29 | M & L for Insulation of M S Pipe with PUF slab 40 mm thick or EPF insulation 50 mm thick , with and including applying bituminous compound and Aluminium cladding with 26 gaugesheet complete of 80 mm size including dismantling old worn out cladding,complete all as specified and directed. |
| 30 | M & L for de-scaling the condenser of capacity24 TR(of Chilled water type central AC plant) by using Sulphuric acid agent with continuous circulation pump and finally neutralizing with fresh water by opening both end covers of shell and tube condensers, cleaning with nylon brushes, re-fixing the end covers with new rubber gaskets, greasing the nuts/ bolts and testing and commissioning, complete all as specified and directed. |
| 31 | S & F in replacement of insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 95 Sq mm 3.5 Core, complete all as specified and directed. |
| 32 | S & F in replacement of insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area10 Sq mm 02 Core, complete all as specified and directed. |
| 33 | Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr deep in any type of soil getting out and levelling of bottom surface to required level for poles/stay assembly/cable, complete all as specified and directed. |
| 34 | Returning filling in, including spreading, levelling, watering and well ramming in layers not exc 25m thick, complete all as specified and directed. |
| 35 | Removing excavated material from site to a distance not exc 50 mtr away and depositing where directed not exc 1.5mtr from the starting point,complete all as specified and directed. |
| 36 | M&L for Sub class ‘B’ bricks old size laid dry flat over the cable abutting each other, length of cable equal to width of brick,complete all as specified and directed. |
| 37 | Supplying & Laying in trenches clear sand for cushioningunder ground cable 8 cm below and 15 cm above complete in level,complete all as specified and directed. |
| 38 | M&L in replacement for Scroll compressor of capacity 12 TR Make: Model No. SM185S4RC of Danfoss or equivalent in Voltas/HQ CEWC Make list complete of following features. a) Capacity Control -Fixed Speedb) Compressor Power Supply (V/Ph/HZ)- 400/3/50 to 460/3/60c) Discharge Connection Mounting torque(Nm) - 110N-md) High Value of Voltage range at 50Hz (V) - 440Ve) IP Protection class - IP54 (with cable gland)f) Low value of nominal voltage at 50Hz (V) - 380V g) LRA - 175Ah) Motor Protection - Internal Thermostar, ext. overloadprotector needed.j) Nominal cooling Capacity - 185.32 KBtu/h k) Nominal cooling Capacity at 50 Hz - 41.1 kwl)Oil Reference - 160Pm)Oil Type - Mineral n) Refrigerant Charge (kg)(Max) 13.5 Kgo)Rotational Speed at at 50 Hz (rpm)- 2900 rpmp)Shipped mounting - Mounting it with grommets, bolts, nuts,sleeves and washersq) with oil change (L)- 6.2 L |
| 39 | Material and Labour for taking down the damage condenser fan blade of 1.5TR split/Window type AC’s of any make and supply & fixing suitable new fan blade and testing & commissioning the unit, complete all as specified and directed. |
| 40 | All as per Item No. 33 here-in-abobe, but 2 TR Split AC |
| 41 | Material and Labour for taking down the damaged blower unit of any make split/Window AC and supply and fixing of new blower unit of suitable type and testing & commissioning the unit, complete all as specified and directed. |
| 42 | Material and Labour for taking down the unserviceable temperature sensor probes and supply & fixing new sensor probe suitable for any type, make split/Window type AC’s and testing & commissioning, complete all as specified and directed. |
| 43 | Material and Labour for taking down the defective unserviceable printed circuit Board and S/F of new printed circuit board for any make split/window type AC unit, complete all as specified and directed. |
| 44 | Material and Labour for taking down the defective unserviceable sealed fan motor & S&F new fan motor ofthe same capacity & size to suit the split/window AC unit of any make and capacity of 1.5 / 2 TR, complete all as specified and directed. |
| 45 | Material and Labour for taking down the damaged air filter set and S/F of new air filter set for split/window type AC’s of 1.5 / 2TR capacity, complete all as specified and directed. |
| 46 | Material and Labour for taking down the defective unserviceable Running capacitors upto 60 MFD 230V / 50Hz as per existing site and supply and Fixing the new Running capacitor of the same capacity to split / window type AC’s and testing, complete all as specified and directed. |
| 47 | Material and Labour for taking down the defective unserviceable starting relay and supply and fixing new relay suitable for 1.5/2TR Window/ Split type AC’s and testing, complete all as specified and directed. |
| 48 | Material and Labour for taking down the defective unserviceable Thermostatic switch and S/F new thermostatic suitable for window type AC’s and testing, complete all as specified and directed. |
| 49 | Material and Labour for taking down the damaged drain pipe and S/F of new PVC flexible type drain pipe suitable for split type AC’s as per sample, complete all as specified and directed. |
| 50 | Material and Labour for taking down the defective capillary tube set and supply & fixing new suitable capillary set for split type AC’s, complete all as specified and directed. |
| 51 | Material and Labour for taking down the rusted out door unit stand and supply & fixing the stand with required anchor fastener and nut & bolts and rubber bushes for 1.5 / 2 TR Split unit, complete all as specified and directed. |
| 52 | Material and Labour for taking down the burned out door unit fan motor and rewinding, overhauling renewal of worn out shaft & bushes, and fixing to the unit, of 1.5 / 2 TR Split units, complete all as specified and directed. |
| 53 | Material and Labour for taking down the defective remote control unit and S/F of new remote control unit for split/window type AC of 1.5 / 2 TR of any make as per site and testing, complete all as specified and directed. |
| 54 | Material and Labour for taking down the defective unserviceable sealed motor of indoor unit of any make split unit of 1.5/2 TR capacity and S/F new fan motor suitable for Split type AC’s, complete all as specified and directed. |
| 55 | Material and Labour for taking down the defective starting capacitor of split / window type AC’s and supply & fixing the new starting capacitor of 80/100 MFD 230V, 275SV-50Hz and Testing for 1.5/2TR AC Unit, complete all as specified and directed. |
| 56 | Material and Labour for taking down the burned wiring kit and supply & fixing and testing of new wiring kit suitable for 1.5/2TR split and window type Ac unit, complete all as specified and directed. |
| 57 | Material and Labour for taking down by disconnecting water connections and shifting electric water cooler to work shop, taking down the defective sealed compressor and replacing with new compressor, the work includes flushing the complete system condenser, cooling coil with Nitrogen, removal all carbon, oil & dirt, brazing & inter connecting the refrigeration lines, de-hydrating, purging with refrigerant, vaccumissing and charging of R22 / 134a Refrigerant and testing & commissioning and shifting to original location and connecting up the electrical & water connection for the following capacity water coolers, complete all as specified as directed. |
| 58 | (a) 40/60/80 Ltrs. capacity water cooler |
| 59 | (b) 120/150 Ltrs. capacity water cooler |
| 60 | Material and Labour for complete tinkering the corroded sheet metal parts, side panel, door, with existing gauge M.S. Sheet and renewal of the bottom base plate, mounting lets, fan motor base plate, and condenser should cover etc., with existing size gauge G.I. sheet, with required Angle Iron, Nut & Bolts all as per the existing size and shape including cutting, bending, welding and completing fixing all other components, complete all as specified as directed. |
| 61 | Material and Labour for charging the water cooler of the following capacity including taking down, transporting to workshop flushing out the cooling coil, condenser, brazing the refrigerant lines, replacing of liquid line copper strainer, leak testing, purging with refrigerant, vaccumissing and charging of R22/R 134a gas, testing & commissioning and shifting to the location and connecting up the electrical & water connection, complete all as specified as directed. (Note : Rates are including of gas R22/R134a) |
| 62 | (a) 40/60/80 Ltrs. capacity water cooler |
| 63 | (b)120/150 Ltrs. capacity water cooler |
| 64 | Material and Labour for painting the water cooler including scraping out the old paint prepare the surface, painting 2 coat of enamel paint over a coat of primer, the work including necessary putty, metal paste etc., and disconnecting from the position and refixing after painting for any capacity of the water coolers, complete all as specified and directed. |
| 65 | Material and Labour for dismantling water cooler tank and cooling coil and carrying out the lead soldering to cooling coil to the tank outer surface to the detached portion and rectify the leaks portion and re-assembly the water cooler of any capacity, complete all as specified and directed. |
| 66 | Material and Labour for taking down the damaged thermal insulation of the water cooler, and renew the thermal insulation as per the existing thickness and assembling the body with necessary sheet metal screws etc., for any capacity water coolers,complete all as specified and directed. |
| 67 | Material and Labour for taking down the defective starting relay and S/F of new starting relay for any capacity water cooler, complete all as specified and directed. |
| 68 | Material and Labour for taking down the defective overload relay and S/F of new over load relay suitable for any capacity water cooler, complete all as specified and directed. |
| 69 | Material and Labour for taking down the defective Running capacitor and Supply & Fixing new running capacitor 20/10 MFD, 440 VAC 50/60 Hz suitable water cooler, complete all as specified and directed. |
| 70 | Material and Labour for taking down the defective starting capacitor and Supply & Fixing new starting capacitor 60/80 MFD, 230V, 270SU-50 Hz for water cooler upto 120 Ltrs. Capacity, complete all as specified and directed. |
| 71 | Material and Labour for taking down the defective Running capacitor and Supply & Fixing new running capacitor of 25/36 MFD, 440 VAC, 50/60 Hz suitable for 150 Ltrs. Capacity water cooler, complete all as specified and directed. |
| 72 | Material and Labour for taking down the defective thermostatic switch and Supply and Fixing of new thermostatic switch for water coolers, complete all as specified and directed. |
| 73 | Supply and Fixing of push tap for water cooler of any capacity, complete all as specified and directed. |
| 74 | Supply and Fixing float valve for water cooler of any capacity, complete all as specified and directed. |
| 75 | Material and Labour for taking down the damaged drain connections and drain pipe and S/F of new drain connection & pipe with necessary clamps, Nipple, coupling etc., for any capacity water cooler, complete all as specified and directed. |
| 76 | Material and Labour for taking down the defective unserviceable sealed fan motor and S/F new fan motor with suitable capacitor for water cooler upto 40/80, 60/120 ltrs. capacity, complete all as specified and directed. |
| 77 | Material and Labour for taking down the damaged condenser fan blade and supply and fixing of new fan blade suitable for 40/60/80 ltr water coolers, complete all as specified and directed. |
| 78 | Material and Labour for taking down the corroded air cooled condenser and supply and fixing of new air cooled condenser with necessary brackets and fixing arrangements including welding brazing etc., for water cooler 40/60/80 Ltrs. capacity, complete all as specified and directed. |
| 79 | Material and Labour for taking down the corroded air cooled condenser and supply and fixing of new air cooled condenser suitable for 1.5 TR Split Ac, complete all as specified and directed. |
| 80 | All as per item No. 69 here-in-above, but 2 TR Split AC |
| 81 | Taking down submain wiring and M & L sub-main wiring with 4.0 Sq.mm (nominal area) PVC unsheathed multi stranded copper conductor PVC insulated 1100 volt grade single core cable drawn through and including rigid PVC conduit medium grade minimum 20mm size and its accessories complete along with 4.0 Sqmm cable but in green colour as continuous earthing wire and connecting to common earth dolly completely concealed ,surface, in walls/ceiling/roofs all as directed and specified including dismantling old one Note : Three runs of PVC copper cable and one run of PVC conduit will be measured as one Rm, complete all as specified and directed. |
| 82 | Supply and charging refrigerant R-22 complete one time for topping up or making full qty including plugging the leakage, complete all as specified and directed. |
| 83 | Supply and charging the refrigerator gas R-134A/ R-34A/ R-407/ any environmental friendly refrigerant gas,complete all as specified and as directed. |
| 84 | Supply and charging compressor oil suitable for AC\"s, water cooler, Refrigerator and deep freezer complete including testing etc., complete all as specified and directed. |
| 85 | S&F in replacement of existing UNSV plug Top 3 pin 5 Amp,complete all as specified and directed. |
| 86 | S&F in replacement of existing UNSV plug Top 3 pin 15 Amp,complete all as specified and directed. |
| 87 | Removing the old paint of the body of refrigerator of any capacity and making the body dent proof and preparing the surface and Painting the refrigerator with 2 coats of synthetic enamelled paint of superior quality to match with existing paint with spray painting,complete all as specified and directed. |
| 88 | S&F in replacement of existing UNSV sealed Compressor unit for Refrigerator of capacity 165 to 185 Ltrs including Gas charging, complete all as specified and directed. |
| 89 | S&F in replacement of existing UNSV sealed Compressor unit for Refrigerator of capacity 285 to 320 Ltrs including Gas charging, complete all as specified and directed. |
| 90 | S&F in replacement of existing UNSV sealed Compressor unit for Deep freezer of capacity 320 Ltrs including Gas charging, complete all as specified and directed. |
| 91 | S&F in replacement of existing UNSV cooling Thermostat switch suitable for refrigerator/deep freezer of any capacity, complete all as specified and directed. |
| 92 | M & L in replacement of fan motor suitable for deep freezer of any capacityincluding all accessories, complete all as specified and as directed. |
| 93 | Material & Labour for taking down the defective split/Window unit of the following capacity, shifting to work shop, taking out the defective unserviceable hermetically sealed compressor from the unit, and supply and replacing the compressor with new compressor of the same capacity, fixing to the unit inter connecting the refrigerating lines, flushing out the cooling coil & condenser, removal the coil & carbon thoroughly, cleaning with CTC, leak testing, pressure testing with Nitrogen gas, dehydrating, Vaccumissing, charging of Refrigerant gas, testing at work shop.Shifting to the location reinstalling the same in its Original position connecting up all electrical connection and Testing, complete all as specified as directed. |
| 94 | (a) 1.5 TR Capacity |
| 95 | (b) 2 TR Capacity,Note : Rates quoted against serial item no. 83.01 (a) and 83.02 (b) deemed to be inclusive of cutting, welding, brazing, sealing the refrigerant tubing, replacement of strainer, CTC, Nitrogen gas, Refrigerant gas, required to and from Transportation and Handling. M/L for spares will be measured and paid separately. |
| 96 | M&L in replacement of existing UNSV MNX-9 contactors, complete all as specified and directed. |
| 97 | M&L in replacement of existing UNSV MNX-18 contactors, complete all as specified and directed. |
| 98 | S&F in replacement of existing UNSV over load relay (3 Amp to 16 Amp) for walk-in-cooler, complete all as specified and directed. |
| 99 | Notes :The Schedule of Credit amount shall be deducted from the total of this schedule (BoQ) to arrive at Contract Sum. |
