CWE(BHI)/BHI-28/2023-24 REPAIR / MAINT OF CENTRAL / PACKAGE TYPE AC PLANT, DUCT AND COOLING TOWER / HOT WATER GENERATOR AT AF STATION BHISIANA

Amount

Suppply and fill in replacement of compressor oil non freezing type N-68, complete all as specified and directed by Engr-In-charge .

S&F replacement of globe service valve from suction line of compressor common suction line at compressor, complete all as specified and directed by Engr-In-charge.

S&f replacement oil pressur cut out As per existing Make or Model, complete all as specified and directed by Engr-In-charge .

S&f replacement hand shut off valve /angle valve of size 1/4 inch existing Make & model, complete all as specified and directed by Engr-In-charge .

Repair to liquid line valve 3/8 inch size by replacing 'O' ring , glad bush tephlon washer etc, as per existing make & Model, complete all as specified and directed by Engr-In-charge .

S&f replacement shaft seal assembly suitable for refrigeration compressor 30 TR complete all as specified and directed by Engr-In-charge .

M & L for cleaning and removing all scales and dirt etc, from PVC tanks of capacity up to 2000-5000 Ltrs Ltrs and from top to bottom by emptying, drying, cleaning by scrubbing the dust with wire brush, after removing inlet and out let pipes (also cleaning the mouths of circulating pipe) and refixing including printing date and next due date of cleaning with synthetic enamel white paint in proper format and reconnecting all inlet and outlet pipes all as specified and as directed. NOTE: If float valve broken at the time of cleaning by the contractor has to replace it without any extra payment.

S&F in replacement Blower pully of up to 30 TR plant as per existing make and model capacity, complete all as specified and directed by Engr-In-charge .

M&L for Dismantling the Blower unit Complete of AHU unit and balancing the main shaft , cleaning the entire Cooling Coil with wire brush , cleaning and making the Air fins free from dirt and blockages , checking the fan belt tension , tightening the driver and drive pulleys and replacement of Shaft bearing for Central type AC Plant including reassembling the AHU unit & testing, Commissioning complete all as specified and directed by Engr in Charge.M&L for Comprhensive mainnence /overhauling /repair of complete air handling unit ambiator chamber including necessary oiling/greasing , cleaning and realignment motor with blower of existing plant of capacity 24000 -30000 CFM, complete all as specified and directed by Engr-In-charge .

S&F in replacement MS angle frame work for installation of GI duct of different sizes , made out of MS angle iron of any size including fabrication of suitbale frames for GI ducts different size ducts and making hole for fixing nut bolts, complete all as specified and directed by Engr-In-charge .

S&F in replacement MCB 4 pole 63 amps, breaking capacity 10 KA, confirming to IEC60947-2, 415 volts, 50 Hz including making necessary incoming and out going electrical connection with suitable size of copper lugs etc, complete all as specified and directed by Engr-In-charge .

S&F in replacement MCCB 3 pole 100 amp , breaking capacity 16 Ka, 415 volts, 50 Hz including necessary incoming and out going electric connection with suitable size of copper lugs etc., complete all as specified and directed by Engr-In-charge .

M&L for attending complaint of Central/Package type AC Plant regarding gas leakage, control/panel wiring, compressor failure,sensor issue,blower issue, chiller , Display panel, PLC unit or any other issue resulting in non-functionality of Plant thoroughly by rep of concerned VOLTAS/BLUESTAR, complete all as specified and directed by Engr-In-charge

M&L for repair/grinding of blower shaft any make or model SMC 2– 65 , Capacity 5/ 7.5/10TR capacity size, complete all as specified and directed by Engr-In-charge

Material and labour for repair/grinding of blower shaft make Accel , Capacity 25-30 TR to the required size, complete all as specified and directed by Engr-In-charge.

S&F in replacement Digital panel mounted ampere meter 0-60 amp with CT, complete all as specified and directed by Engr-In-charge.

S&F in replacement 3 pole contractors type NC-3, MNX -18 Rating 18 amps, 415 volts and coil voltage - 220 volts, complete all as specified and directed by Engr-In-charge.

S&F in replacement 3 pole contractors type NC-3, MNX- 12 Rating 12 amps, 415 volts and coil voltage - 220 volts, complete all as specified and directed by Engr-In-charge.

S&F in replacement overload relay rating 16-25 amps, 415 volts. Type - MNX, complete all as specified and directed by Engr-In-charge.

S&F in replacement overload relay rating 0-16 amps, 415 volts, Type - MNX, complete all as specified and directed by Engr-In-charge.

S&F in replacement MCCB 4 pole 250 amps 36 KA, complete all as specified and directed by Engr-In-charge.

S&F in replacement 3 pole contactors type 2 NO+2NC Rating 45 amps, 415 volts and coil voltage - 220 volts, complete all as specified and directed by Engr-In-charge.

S&F in replacement 3 pole contactors type MNX 40 Rating 40 amps, 415 volts and coil voltage - 220 volts, complete all as specified and directed by Engr-In-charge.

M&L for reconditioning of cooling tower fan motor set of any capacity including oiling ,gresing replacement of fan blade damaged shaft,internal winding, testing , complete all as specified and directed by Engr-In-charge.

M&L Servicing the condensor water Pump set of any capacity including oiling , greasing, replacement of gland paking , tightening the bolts and nuts , testing , complete all as specified and directed by Engr-In-charge.

Supply & Charging Refrigerant Gas R-22/F-22 in company's sealed cylinder returnable, complete all as specified and directed by Engr-In-charge.

M&L for replacement of thermometer 12 mm dia , range 0-100 degree centrigraded suitable for fixing at condesor water outlet including removing of U/S thermpmeter, complete all as specified and directed by Engr-In-charge.

M&L for replacement of Overload relay for compressor starter 13.2 A to 20 A, complete all as specified and directed by Engr-In-charge.

Supply & fix in repair fan belt for AHU blowers/ motors as per sxisting make any capacity and model & make all as specified and as directed.

Supply & Charging Refrigerant Gas R-407 in company's sealed cylinder returnable, complete all as specified and directed by Engr-In-charge.

S&F in replacement Ball valves high Pressure of PTMT with epoxy coated Aluminium rod & highdenesity plastic ball screwed for iron Pipeand fixed of size 25 mm dia, complete all as specified and directed by Engr-In-charge.

Supply and fixing Expansion Valve Upto 12 Ton, complete all as specified and directed by Engr-In-charge.

Supply and fixing in replacement Butter fly Valve 50 mm dia with all acessories for iron Pipe and fixed all as specified, complete all as specified and directed by Engr-In-charge.

Supply and fixing in replacement Butter fly Valve 65 mm dia with all acessories for iron Pipe and fixed all as specified, complete all as specified and directed by Engr-In-charge.

Supply and fixing in replacement Butter fly Valve 100 mm dia with all acessories for iron Pipe and fixed, complete all as specified and directed by Engr-In-charge.

Supply and fixing in replacement Butter fly Valve 150 mm dia with all acessories for iron Pipe and fixed, complete all as specified and directed by Engr-In-charge.

Supply and Fix in replacement gate Valve Upto 25 mm Dia Complete with flanges,bolts,nuts, gasket etc, complete all as specified and directed by Engr-In-charge.

Supply and Fix in replacement Gate Valve 32 mm Dia Complete with flanges,bolts,nuts, gasket etc, complete all as specified and directed by Engr-In-charge.

Supply and Fix in replacement Y- strainer CI of 65 mm Dia, complete all as specified and directed by Engr-In-charge.

Supply and Fix in replacement Y- strainer CI of 80 mm Dia, complete all as specified and directed by Engr-In-charge.

S&F in replacement 3 pole contractors type MNX -12 Rating 30 amps, 415 volts and coil voltage - 220 volts make as per existing, complete all as specified and directed by Engr-In-charge.

S&F in replacement Single Phase Preventor (VSP 3) ,415 VAC,50 Hz, complete all as specified and directed by Engr-In-charge.

S&F in replacement Smoke and fire damper with indication of AHU,Actuator,fire & Smoke as per existing type and make, complete all as specified and directed by Engr-In-charge.

S&F in replacement Electronic Actuator 24VAC,Model R-981-R of make Rapid Control, complete all as specified and directed by Engr-In-charge.

S&F in replacement Liquid level Controller 240VAC Having Sensitivity, Delay & Manual start Function, complete all as specified and directed by Engr-In-charge.

S&F in replacement power Contactor 3 Pole 415VAC,50Hz, coil voltage-230V, AC 3: 32A, MNX 32, complete all as specified and directed by Engr-In-charge.

S&F in replacement Contactor 3 Pole 415VAC,50Hz, coil voltage-230V, MO 45, rating Amp 45, complete all as specified and directed by Engr-In-charge.

S&F in replacement Flow Switch in the chilled water line conforing to specification as per existing any capacity, complete all as specified and directed by Engr-In-charge.

Supply and fix three phase Motor starter , incoporating Heavy duty 4 pole contactor type TC1-DX overload relay type LR3D,Auto start switch , 3 position slector switch for Single phase preventer , auto/SPP manual/Manual (AS4), on/OFF rocker switch, RYB LED indicator, Motor ON&trip LED indicator , DOL in sheet steel enclosure suitable for capacity pump with relay range 5.5-8 Amps - CAT No BE1SPSDDX204312 Make C&S / MU-G6(SS97756) L&T. Note 01 : The cost of PCC foundation shall be deemed to be included in this item rate. Note 02. The DOl starter will be fixed on floor with angel iron 40x40mm thick length 60 cm from ground level.

M & L for Rewinding of pump motor 415 Volt 3 phase 7.5 HP after disconnecting electric cable and eath lead, suction and delivery pipes, shifting to work shop, dismantling the motor assembly and removing the burnt out copper winding of stator and Rotor cleaning the stator slots and core assembly, rewinding to stator and rotor with suitable gauge super enamelled copper wire with insulating papers and insulation cloths, varnishing the winding and baking heating for achieving the required insulation resistance, re-assembling the motor and testing complete, incl transporting back to site and fixing motor to its original place, reconnecting electric cable and earth leads etc testing and commissioning complete in all respect, complete all as specified and directed by Engr-In-charge.

All as per above Item No 92 but cap 10 HJP

all as above Item No 92 but cap 03 HJP

all as above Item No 92 but cap 40 HJP

M&L for opening pump set split case monoblock type coupled to electric motor of capacity 5 HP, make from motor coupling after isolating the electric and earth lead connections opening the pump set for repair/overhauling & proper alignment of shaft etc including replacing the items with new items given vide item below, reassemblying the pumpset greasing connecting, testing and commissioning including replacement of bearng, bushes , gland transportiong, complete all as specified and directed by Engr-In-charge.

M&L for descaling the chiller Condensor 63 TR by he dismantling the chiller from line and circulating mixture of descaling chemical (scale foe 100) and water in correct portion in water tank and circulatin the mixture in chiller condenser using pump till all scales are removed then cleaning with nylon brush and flushin with clena water unit of Package type /Central Type AC Plant of any capacity , descaling the copper tubing by using appropriate method as required with appropriate quality of descaling solution including replacement of gasket, complete all as specified and directed by Engr-In-charge.

All as above but 52 TR

All as above but 29-30 TR

All as above but 11-25 TR

All as above but up to 10 TR

M & L for replacement of Spray nozzles for cooling tower of Size 20 mm dia, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of Indicator Lamp Type E-8 (Neon lamps), complete all as specified and directed by Engr-In-charge.

S&F in Replacement of water pressure gauge range 14Kg/cm2, complete all as specified and directed by Engr-In-charge.

Supply and laying in trenches/fixing on wall/pole,jointing and testing electric under ground LT XLPE cable 35 Sqmm 4 Core PVC insulated armoured heavy duty aluminium conductor cable 1100 volts grade in trenches, ducts, pipe on walls poles, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of Sensor (automatic control for Compressor) Suitable for Central type AC Plants chilled water System, complete all as specified and directed by Engr-In-charge.

Supply and fix in replacement of Strip Heater of capacity 3 KW with ISI Marked including all electical connection, complete all as specified and directed by Engr-In-charge.

Supply and Laying , LT UG XLPE insulated 1100 volt grade heavy duty electric cables with aluminium conductor , cross sectional area 240 sqmm 3.5 core, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of copper control cable of 6 sqmm 4 core all as specified, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of aluminium cable and laying of copper control aluminium cable & Supply and fix copper control cable of 10 sqmm 4 core, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of DDC Panel PCB and supply and fix new factory sealed DDC Panel PCB with complete per existing make and model with complete rewiring and acessories, complete all as specified and directed by Engr-In-charge.

M&L for descaling of cooling towers cap 60 TR using descaling solution cleaning with brush pressure pump and complete washing of all tube and reassembling the condenser including replacement the gasket nut bolt, complete all as specified and directed by Engr-In-charge.

M&L for descaling of cooling towers CAP 30-40 TR using descaling solution cleaning with brush pressure pump and complete washing of all tube and reassembling the condenser including replacement the gasket nut bolt, complete all as specified and directed by Engr-In-charge.

All as per above but 180 TR

All as per above but 80 TR

All as per above but 25 TR

M&L for replacement of 5/5.5 TR scroll type compressor The old from unit and then new compeletly with reharging the refrigrant suitable, complete all as specified and directed by Engr-In-charge.

M&L for replacement of 8.5/8.75 TR scroll type compressor The old from unit and then new compeletly with reharging the refrigrant suitable, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of Sprinkler with all accessoroes including sprinklers blade and distribution pipe made for cooling towers of any capacity and size suitable size capacity, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of solenoid valve suitbale capacity of 30TR capacity, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of 18mm thickness of Thermal insulation on ducts using dosed cell, anti-microbial class 'O’ Nitrile Rubber Elastomeric insulation Thermal Conductivity of 0,035 W/mK at 20 degree Celsius mean temperature and Mu > or = 10000 to be applied on ducts using manufacturers' recommended rubber-based Adhesive in a blend of solvents, complete all as specified and directed by Engr-In-charge.

S&F in Replacement of display unit of chiller controller including wiring (HMI) with card having numerical control system for package type AC plant including blower unit ,condensor unit,compressor ON/OF and start/stop & settimg push button, complete all as specified and directed by Engr-In-charge.

Supply and fix n replacement of MCB TPN Ç'curve,50 Hz Rating 63 Amps. 10 KA, Operating Voltage 240V/415V, complete all as specified and directed by Engr-In-charge.

Supply and fix n replacement of MCB TPN Ç'curve,50 Hz Rating 40 Amps. 10 KA, Operating Voltage 240V/415V, complete all as specified and directed by Engr-In-charge.

M&L for dismantling the Motor and pump from the channels and all electrical connection, repair the foundation / plinth of pump and motor with PCC 1:3:6 , bearing, replace the UNSV channel with new channels , nut bolts, cut to ordinary length as per sample and and reassembling the motor pump and connection of all electrical accessories, complete all as specified and directed by Engr-In-charge.

Supply & fixing in replacement of insulation of Cold / Hot water piping complete with resin bonded glass wool,PUF slab, bituminuous compound, GI cladding with GI sheet etc of size upto 100mm dia, complete all as specified and directed by Engr-In-charge.

Supply & fixing in replacement of insulation of Chiller and hot MS Pipe complete with resin bonded glass wool,PUF slab, bituminuous compound, GI cladding with GI sheet etc of size 150mm dia, complete all as specified and directed by Engr-In-charge.

Supply & fixing in replacement of insulation of Chiller unit of various capacity of ac plant Central plant complete with nitriole insulation 25 mm thick, complete all as specified and directed by Engr-In-charge.

Supply and Laying , LT UG XLPE insulated 1100 volt grade heavy duty electric cables with aluminium conductor , cross sectional area 185 sqmm 4 core, complete all as specified and directed by Engr-In-charge.

S&F in replacement MCCB 4 pole 350 amps 36 KA, complete all as specified and directed by Engr-In-charge.

S&F in replacement MCCB 4 pole 400 amps 36 KA, complete all as specified and directed by Engr-In-charge.

S&F in replacement Sheet metal supply/return air duct made as per IS -655 of the following sizes of GI Sheet reolacing with existing duct in Central/Package AC room:-

24 Gauge galvanised Sheet steel

22 Gauge galvanised Sheet steel

Supply and fix in Replacement of condensor water pipes of MS class 'Heavy grade B'as per IS-1239 inside building including necessary clamps , vibration isolators and fittings such as bends , tees etc but excluding strainer and gauges etc adequately supported on rigid supports including necessary welding

65 mm dia

50 mm dia

M/s Luxmi Constructions