COMPREHENSIVE MAINT AND REPAIRS TO CENTRAL AC PLANT AND MISC CONNECTED ITEMS INSTALLED AT 2403 C FLT AT AF STN NALIYA

Amount

Supply & Fix in replacement Display controller of 45 KW capacity Hot Water generator complete all as specified and directed.

Supply & Fix in replacement Air release valve complete assy suitable for 45 KW capacity Hot Water generator complete all as specified and directed.

Supply and fix in repairs V-belts type A-23 model suitable for CSU motors for AC plant complete all as specified and directed.

Supply and fix in repairs V-belts type B-62 model suitable for AHU motors for AC plant complete all as specified and directed.

Supply and fix in repairs V-belts type A-44 model suitable for AHU motors for AC plant complete all as specified and directed.

M&L for top up/ gas charging with refrigerant gas (R-407C) for Package / Chiller Unit of capacity 22/32/37/39 TR after vacuuming and leak testing including bracing suction/ discharge line and testing complete all as specified and as directed.

M&L for repair / replacement of GI Base Frame Channel/Angle type of size 20x25x6 mm of CSU (Size-1.5mtrx1mtr Approx) and 1mm GI sheet frame of size approx 2.5 Sqm (inside of Ceiling suspended unit 3 TR capacity) for holding the FRP/PVC air filter including black enamel paint with one coat primer complete all as specified and directed.

M & L for Servicing, greasing and alignment of AHU/CSU motors and pullies installed at AF Stn Naliya complete all as specified and directed.

Supply & Fix sensor of Humidity and temp at TP-III complete all as specified and directed.

Repairs , servicing , cleaning and descaling with the help of diluted Acid of heat exchanger for hot water & cold water installed in CSU (Ceiling suspended unit) of 3TR capacity including minor repair and parts as nut bolt brazing/welding etc for any leakage observed complete all as specified and directed.

Repair / servicing of Hot Water Generator 45KW capacity 3 pase 440 Volts 50Hz including minor parts as two qty heating coil /nut bolt/packing etc complete all as specified and directed.

S & F in replacement to CSU monoblock pump set of capacity 0.25 HP, single phase 230 Volts complete all as specified and directed.

S & F in replacement of inlet Hot water three way valve of 40/50 mm with control actuators installed out side CSU of model No: VC6013ZZ00 including testing and commisioning complete all as specified and directed.

Supply & Fix in replacement of 12V 26 AH maintenance free batteries for power backup of UPS unit complete all as specified and directed.

S & F in replacement of inlet chilled water three way valve of 40/50 mm with control actuators installed out side CSU of including testing and commisioning complete all as specified and directed.

Supply & Fix in replacement of 12V 7 AH maintenance free (SMF) batteries for power backup of UPS unit complete all as specified and directed.

Supply & Fix in replacement of Spun Filter /Cartridge of RO Plant complete all as specified and directed.

M&L for Anti scalant suitable for preventing formation of calcium carbonate and calcium sulphate and fouling by silica complete complete all as specified and directed.

Supply & Fix in replacement of Membrane of RO Plant of size up to 40/40 complete all as specified and directed. (Each 4/Plant=8 Each)

Supply & Fix in replacement of soft sand from Sand filter for RO plant complete all as specified and directed.

Supply & Fix in replacement of Activated Carbon from carbon filter for RO plant complete all as specified and directed.

Dismantling the components of Reverse Osmosis plant and checking the serviceability of plant including rubber bushes, fittings, low pressure/ high pressure motor pumps & Cleaning of membrane filter with citric acid and cleaning, washing with the help of high pressure water pump complete and re-fixing the same after necessary repairs and replacement of unserviceable parts, commissioning and testing complete all as specified and as directed. Notes:- Replacement of defective items of existing make/ size shall be measured and paid separately under respective items.

Repair / rewinding including commisioning and transportation of high pressure pump of capacity 3 HP suitable for 1000 LPH capacity RO Plant complete all as specified and directed.

Maintenance / repair to AHU blower motor (FLAME PROOF ENCLOSURE) of capacity 10 HP / 7.5KW Suitable for 35 TR, three phase 440 Volts with rewinding of AHU motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing including transportation to maintenance work shop complete all as specified and directed.

Maintenance / repair to CSU blower motor of capacity 1.5 HP, three phase 440 Volts with winding of CSU blower motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing including transportation to maintenance work shop complete all as specified and directed.

M & L for descaling of condensor coil with non acidic base solution of 13x3 or 12x3 TR Chiller Plant water cooled type including all T & P complete all as specified and directed.

S&F in replacement of EWT (Entering water temperature) of 13x3 or 12x3 TR chiller Plant sensor as per existing model complete all as specified and as directed.

S&F in replacement LWT(Leaving water Temperature) of 13x3 or 12x3 TR chiller Plant sensor as per existing model complete all as specified and as directed.

M&L for removing of damaged portion of duct insulation and fixing new Nitrile Insulation 13 mm (minium) thick closed cell elastomeric nitrile rubber insulation of 40-60 kg/cum density, on duct surface free from dust etc using a thin film of insulation material all as per manufacturer's recommended adhesive. Both duct and instulation, keeping the insulation material under compression (without any stretching), seal all joints air tight etc complete all as specified and as directed.

S&F in repairs expansion valve suitable for (12/13X3) 36/39 Ton capacity AC units as per existing make and model including cutting, brazing/ welding, leak testing etc complete all as specified and as directed.

S&F in replacement 80/100 mm dia butterfly valve of AC chillier plant circulation pipe line, of existing model, welding the same as per existing fixing arrangements complete all as specified and as directed.

Supply Installation testing & commissioning of display controller with PCB card for water cooled chiller Capacity-37/39TR complete all as specified and directed.

Supply Installation testing & commissioning of Humidifier controller for atuomation complete all as specified and directed.

Supply Installation testing & commissioning of Heater strip 2/4KW capacity complete all as specified and directed.

Supply of Thermostate for humidifier complete all as specified and directed.

S & F in replacement of 40 TR capacity Cooling Tower PVC filings along with sprinkler set, tension bar GI material,turn buckle, branch pipe of suitable size(approx 50 mm dia) and FRP eliminator blades for each cooling tower complete all as specified and directed.

Supply & Fix in repair to cooling tower blower induction motor of capacity 5 HP/3.7KW, three phase 440 Volts with as per exisiting including shaft bearing complete all as specified and directed.

S&F power contactor 3 pase system for 1.5 HP motor installed at TP-III including 10 Amps relay & PLA relay of blower motor Motor complete all as specified and directed.

S&F power contactor for single phase motor of capacity 0.25 HP installed at TP-III complete all as specified and directed.

M&L for opening of CSU(Ceiling suspended unit) and taking down cover plate, disconnecting electric connections, opening the blower motor, blower, belt, shaft and bearings (02Nos) for repair and refixing complete assembly with new shaft and bearings (02 Nos) for 3 TR Capacity CSU including testing and greasing complete all as specified and as directed.

M&L for opening of AHU(Air Handling unit) and taking down cover plate, disconnecting electric connections, opening the blower motor, blower, belt, shaft and bearings (02Nos) for repair and refixing complete assembly with new ball bearings (02 Nos) for 25 TR Capacity AHU including testing and greasing complete all as specified and as directed.

M&L for opening of AHU(Air Handling unit) and taking down cover plate, disconnecting electric connections, opening the blower motor, blower, belt, shaft and bearings (02 Nos) for repair and refixing complete assembly with new ball bearings (02 Nos) for 35 TR Capacity AHU including testing and greasing complete all as specified and as directed.

M & L for FRP coating inside CSU area for arresting any type of water leakage in side CSU complete all as specified and directed.

S & F in replacement of cooling tower water inlet float Float valve PVC type complete all as specified and directed.

S & F metal based Float valve for Humidifier of capacity 2KW to 4 KW complete all as specified and directed.

S & F Cooling Tower Fan blade suitable for 40 TR capacity cooling tower complete all as specified and directed.

Supply & Fix in replacement of new compressor sealed unit sutiable for unit dismantled in this work, as per existing make and model, including brazing / welding of suction and discharge line, including first filling gas and leak testing complete, 12.0/13.00 Ton capacity suitable for 37 TR chiller AC unit complete all as specified and as directed.

S&F Inlet chilled water three way valve of 40/50 mm with control actuators installed at AHU complete all as specified and directed.

S&F Inlet Hot water three way valve of 40/50 mm with control actuators installed at AHU complete all as specified and directed.

Supply & Fix Cartridge for Coloured Printer including minor repairs installed at Power house control room at TP-III all as directed. (Four nos of cartridge –Y, Magenta,Cyan,Black)

Supply & Fix in Replacement SFS1-CPU card of EST3x fire alarm panel with below specifications: Voltage 24 VDC, Current: Standby 115 mA at 24 VDC Alarm 115 mA at 24 VDC Relay outputs: Quantity 3 (alarm, supervisory, and trouble) UL type Common Contact arrangement Form C Rating 30 VDC at 1 A resistive AUX power outputs: Quantity 2 Voltage 24 VDC, resettable or continuous Current 1.0 A each circuit, 1.0 A total Data network (RS-485) Nodes 2 to 64 (requires optional network card) Performance class Class A or Class B Wire type Twisted pair, 6 twists per foot, min. Circuit length 5,000 ft. (1,524 m) between any three panels Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max. Serial Port (RS-232) Annunciator port (RS-485) Performance class Class B and Redundant Class B Baud rate 9600 and 38400 Wire type Twisted pair, 6 twists per foot, min. Circuit length 4,000 ft. (1,219 m) Circuit resistance 90 Ω, max. Circuit capacitance 0.3 μF, max.

Repair / servicing of Chilled water cetrifugal pump and motor set of 20HP capacity 3 pase 440 Volts 50Hz rewinding of motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing and minor parts as nut bolt/packing etc complete all as specified and directed.

Repair / servicing of RO water feeder booster pump and moter of 2 HP capacity 3 pase 440 Volts 50Hz rewinding of motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing and minor parts as nut bolt/packing etc complete all as specified and directed.

Repair / servicing of Hot water booster moter and pump set of 0.5/0.8 HP capacity 3 pase 440 Volts 50Hz rewinding of motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing and minor parts as nut bolt/packing etc complete all as specified and directed.

Repair / servicing of Chiller water feeder booster pump and motor of 0.8/1 HP capacity 3 pase 440 Volts 50Hz rewinding of motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing and minor parts as nut bolt/packing etc complete all as specified and directed.

Repair / servicing of Chiller water feeder booster pump and motor of 5 HP capacity 3 pase 440 Volts 50Hz rewinding of motors with suitable size of super enamelled copper wire as per exisiting including shaft bearing and minor parts as nut bolt/packing etc at WSA and 2257 sqn complete all as specified and directed.

Supply and fix humidifier of 2 KW, 3 Phase,440 V, 50 Hz Frequence for AHU at WSA complete all as specified and directed.

Supply and fix humidifier of 10 KW, 3 Phase,440 V, 50 Hz Frequence for AHU at WSA complete all as specified and directed.

Pelectricals

GEE CEE ENTERPRISES