REPAIR MAINTENANCE OF COOLING TOWER, CONDENSER UNITS CHILLED WATER LINE GI PIPE LINES VARIOUS SENSORS FOR CONDENSER WATER PUMP AT RCI UNDER GE I RCI HYDERABAD

Amount

Disconnecting and removing of the unserviceable damaged tyre coupling from the compressor and drive system, supply and fixing new tyre coupling with nuts, bolts including making alignment and testing ciomplete all as directed

Disconnecting electrically and mechanically the induction motor from mono block/ centrifugal pump set from the existing position by arranging dummy plates to suction and delivery line, removing from the existing position rewinding, varnishing, insulation, ovening, greasing to the mono-block pump set, replacing of bearings all as directed by the following capacity :-

(a) Up to 5 HP capacity

(b) Above 5 HP upto 10 HP

(c) Above 10 HP upto 15 HP

Disconnecting electrically and mechanically the induction motor from mono block / centrifugal pump set from the existing position by arranging dummy plates to suction and delivery line, removing from the existing position and supply and fixing of new induction motor of 5 star effciency and replacing of bearings all as directed for the following capacity :-

(a) Up to 5 HP capacity

(b) Above 5 HP upto 10 HP

(c) Above 10 HP upto 15 HP

Disconnecting electrically and mechanically operated mono block / centrifugal pump set / induction motor of under mentioned capacity from existing position by arranging dummy plates to suction and delivery line, removing from the existing position, overhauling of the same, cleaning the impeller, replacing the worn out bearing, gland bush, gland nut, gland rope, etc with new ones, greasing, fixing back and testing complete all as directed :-

(a) Up to 5 HP capacity

(b) Above 5 HP upto 10 HP

(c) Above 10 HP upto 15 HP

Supply and fix various size / capacity of electrical terminal box including terminal plate for monoblock motor / pump

Supply and fix different size / type of gland plugs

Supply and fix various size of air released stud of pumps

Supply and fix impeller of pump material GM / cast iron up to 15 HP

Supply only ball bearing size 6205 ZZ to 6209 ZZ

Supply only ball bearing size 6210 ZZ to 6213 ZZ

Supply only ball bearing size 6305 ZZ to 6309 ZZ

Supply only ball bearing size 6310 ZZ to 6313 ZZ

Supply only different size of pillow block bearing

Supply only cooling fan vanes of different size of motor

Supply and fix mechanical seal for pump of capacity upto 15 HP

Taking down shaft from various type / capacity of pump set / motor / monoblock and welding / spraying & turning of shaft in lathe machine, fix bearing and testing of machines as per directed by the Engr in charge.

Disconnecting and removing of unserviceable / burntout timer, supply and replace the new timer 0 to 10 sec all as directed. Make : GE or Equivalent in SIEMENS

Disconnecting and removing of unserviceable / fused dual element time delay fuse, supply and fixing new dual element time delay fuse unit TR S30R, 30 Amps, 600v AC, 330V DC all as directed Make : FERRAZ SHAWN / FUSETRON

Disconnecting and removing unserviceable / burnt out contactor, supply and fix new power contactor 50Hz, 415 Volts grade of ML2 capacity including connecting and testing complete all as directed.

All as per Ser Item No 19 above but of capacity ML 4

All as per Ser Item No 19 above but of capacity ML 3

All as per Ser Item No 19 above but of capacity SC N3 (65) 65 Amps

All as per Ser Item No 19 above but of capacity SC 03 (11) 20 Amp

All as per Ser Item No 19 above but of capacity CL 25

All as per Ser Item No 19 above but of capacity CL 45

All as per Ser Item No 19 above but of capacity 00/01/SFK, 25 Amps

All as per Ser Item No 19 above but of capacity CL 50, 125 Amps Make for Ser Item Nos 19 to 27 : L&T / ABB / GE

Disconnecting and removing unserviceable chilled water sensors make voltas / bluestar / york from the chiller and replacing the same with new chilled water sensor including connecting and testing complete all as directed.

Disconnecting and removing of the unserviceable pressure gauge of any rating 0 to 150/0 to 300 PSI or equivalent in Kgs/Cm2, supply and fixing new pressure gauges all as directed. Make : Fiebig/H-Guru/KI

Taking down the unserviceable burnt out HRC fuses of 32 Amps capacity and supply and fix new HRC fuses BS size A1 to A3, B1 to B3 ,C1 to C3 tag type offset / open / closed slot / single / double slot as per site requirement and testing complete all as directed by Engineer-in-Charge. Make : GE / L&T / Buss man

All as per Ser Item No 30 above but of 63 Amps capacity.

All as per Ser Item No 30 above but of 125 Amp capacity

Disconnecting and taking out the old rusted unserviceable GI pipe line For Cooling Tower of the following sizes and supply and fix new GI pipe including fittings, cutting,welding,threading, reducing, reconnecting including testing complete all as directed by Engineer-in-Charge. Make : TATA / JINDAL / ZENITH / OSWAL

(a) 15 mm dia

(b) 20mm dia

(c) 25 mm dia

(d) 40 mm dia

Disconnecting and taking out the old rusted unserviceable Gate valve line for Cooling Tower of the following sizes and supply and fix gate valve including fittings, cutting, welding, threading reconnecting including testing complete all as directed by Engineer-in-Charge. Make : Zoloto

(a) 15 mm dia

(b) 20 mm dia

(c) 25 mm dia

(d) 40 mm dia

Disconnecting and taking out the old rusted unserviceable as per existing system of condenser water lines MS ERW pipe and fixing new ERW MS pipe class 'C' pipes including necessary welding, supportings, providing nipples for descaling provision and air releasing provision, making good of the damaged portions, walls, foundations including painting with one coat of redoxide and two coats of Synthetic enamel paint, marking of water flow arrows all as directed. Make : TATA/JINDAL/ZENITH

(a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

(d) 50 mm bore

Disconnecting and taking out the old rusted unserviceable Butterfly valve as per existing system and fixing new butterfly valve including necessary welding, suportings, providing nipples provision, making good of the damaged portions, walls, base, nuts, bolts etc all as directed :-

(a) 150 mm bore

(b) 100 mm bore

(c) 80 mm bore

(d) 50 mm bore

Supply, fixing and welding MS flanges 6 mm thickness, class 'C' duly drilled holes of the following sizes all as directed.

(a) 200mm bore

(b) 150 mm bore

(c) 100 mm bore

(d) 80 mm bore

Disconnecting and taking out the old rusted unserviceable float valve line From PVC / MS tank of 40mm size and Supply and fix Ball brass valves high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule of size 40 mm

Disconnecting and taking out the old rusted unserviceable float valve from PVC / MS tank of 25 mm size and Supply and fix Ball brass valves high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule size 25 mm

Disconnecting and taking out the old rusted unserviceable float valve from PVC / MS tank of 20mm size and Supply and fix Ball brass valves high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule size 20 mm

Supply and fix water filter for Y stainer of condenser pipe line of water cooled chilled unit of size 80 mm to 180 mm dia including taking down unserviceable ones all as specified and directed.

Removing existing scale preventor guard and Supply and fixing new scale preventor guard of size 150 mm dia condensing water pipe line

M&L for painting of monoblock pump set / compresser unit inclding induction motor of any types with synthetic enamelled any colour paint (specified by GE / Engr in charge) by using spray gun machine after removing all dust and rust. with black synthetic enamel paint complete all as directed by Engineer-in-Charge. Make of paint: SHALIMAR/ASIAN/BERGER.

Supply, removing and replace un serviceable / brocken Al casted Fan blade assembly of Cooling Tower of size 44" dia, 4 blades, 38 mm bore all as specified and directed of Engr in Charge (Fan blade required as per recommendation of OEM and as per existing make )

Supply, removing and replace un serviceable / brocken electrical CT motor for Cooling Tower rating 3 HP, 720 RPM all as specified and directed of Engr in Charge (CT Motor required as per recommendation of OEM and as per existing make)

Supply, removing and replace un serviceable / brocken Al casted Fan blade assembly of Cooling Tower of size 76" dia, 6 blades, 38 mm bore all as specified and directed of Engr in Charge (Fan blade required as per recommendation of OEM and as per existing make )

Supply, removing and replace un serviceable / brocken electrical CT motor for Cooling Tower rating 5 HP, 960 RPM all as specified and directed of Engr in Charge (CT Motor required as per recommendation of OEM and as per existing make)

Supply, removing and replace un serviceable / brocken Al casted Fan blade assembly of Cooling Tower of size 75" dia, 6 blades, 42 mm bore all as specified and directed of Engr in Charge (Fan blade required as per recommendation of OEM and as per existing make )

Removing unserveaceble/brocken fan blade of any size, sweep and any size of shaft ( as per existing ) suitable for water cooled cooling tower as specified and directed of Engr in Charge (Fan blade required as per recommendation of OEM and as per existing make )

Removing of existing fills from cooling tower and Supply and fixing fills including maintainance of basement if fills of any capacity capacity cooling tower complete all as directed ( Note : Removed fills to be disposed from site as directed by Engr in charge)

Supply and fix sprinkler assembly/Nozzle assembly and PVC pipes including dummies all as directed.

(a) 20 TR Capacity

(b) 48/50/52 TR Capacity

(c) 80 TR Capacity

(d) 100/120 TR Capacity

(e) 175/240TR Capacity

Cooling tower bottom repair with fibre reinforcing complete all as directed by Engineer-in-charge

Cooling Tower Body Repair with fibre reinforcing all as directed by Engineer-in-charge

Supply and fixing of side screen for cooling tower all as directed by Engineer-in-charge

Dismantling old PVC tank from the foundation and supply and fix new PVC tank with capacity 500 ltrs. Necessary connection shall be completed all as per the direction of Engineer-in-charge

Dismantling old PVC tank from the foundation and supply and fix new PVC tank with capacity 1000 ltrs. Necessary connection shall be completed all as per the direction of Engineer-in-charge

Leak testing of the AC plant system of various capacity with nitrogen (N2) pressure after evacuating the existing gas from the system in to empty cylinder by separating the entire system like compressors, condenser, cooling coil and refrigerant lines and rectifying the leakage including cutting welding brazing etc and reconnecting with ‘O’ rings, Washers, gaskets etc, flushing out the Nitrogen and vacuumising, recharging the taken out refrigerant gas complete all as directed.

Supply only any type of Refrigerant gas R-22 /134A/407 C complete all as directed.

CHITRA ENGINEERING CORPORATION

SUN LIGHT HOUSE

SRI SAI ENTERPRISES

omsai thermax engineers

Bismi Engineering

BHAGYARAM ENTERPRISES