REPAIR/MAINTENANCE OF CENTRAL AND PACKAGE TYPE AC PLANT WITH ALLIED WORKS AR AF STN BKT

Amount

Material and labour for de -scaling and cleaning of tubes of condenser (heat Exchanger) unit (RXSOL-41-8865-25) for chiller,condensor tube of central AC plant including opening and refixing in origional position all as required at site for shell and tube condensor unit of package type AC plant by using proper descaling solution by suitable size of drill rod, wire brush,cleaning by circulating pressure water by pressurepumps till the complete deposits/scale is removed as ordered,replacement of packing gasket, nuts, bolts with washer of both ends of condensor complete all as specified and directed by Engineer-in-Charge for following capacity:-

(i) 3 x 11TR package plant at SES Section.

(ii) Central AC Plant of capacity 2X 11 TR complete all as specified and directed at WSA

(iii) Central AC Plant of capacity 3X 37 TR complete all as specified and directed at Spl garrage

(iv) Central AC Plant of capacity 3X 25 TR complete all as specified and directed at DB 2&3

(v) Central AC Plant of capacity 2X 37 TR complete all as specified and directed at DB-10

(vi) Central AC Plant of capacity 2X 25TR complete all as specified and directed at DB-11

M&L for repairing and servicing of FRP cooling tower of package type AC plant by dismantaling of cooling tower for removing of top cover and cleaning of PVC fills, choked nozzle, PVC louvers and replacement of rusted nuts,bolts with washer etc and cleaning bottom tank to remove dust and mud and oiling of motor and checking of servicibilityof motor complete all as directed by Engr-in charge (Note:- others major spare parts shall be measured separetely.

(i) 27 TR package plant at SES Section.

(ii) Cooling tower of capacity 20 TR complete all as specified and directed at WSA

(iii) Cooling tower of capacity 90 TR complete all as specified and directed at Spl garrage.

(iv) Cooling tower of capacity 60 TR complete all as specified and directed at DB-2&3

(v) Cooling tower of capacity 45 TR complete all as specified and directed at DB-10

(vi) Cooling tower of capacity 30 TR complete all as specified and directed at DB-11.

M&L for Detection of refrigerent leakage and pressure test of the condensor of capacity 5.5 TR and cooling coil of package type AC plant and repair the leakage point by brazing / soldering /refixing the unit and rectification of defect for the AC unit complete all as specified and directed by Engr-in-charge.

S& Fixing new Refrigeration scroll compressor 5.5 TR capacity, three phase, 415 volt capacity including brazing to suction & discharge line, vacuum testing with and including charging of regrigerant gas (R-22) & testing complete including taking down of worn out compressor all as specified and directed . (Make- Model ZR72KC-TFD-522 of make Emersion Copeland or equivalent make and model of KCL/Danfoss

Supplying and fixing new Refrigeration scroll compressor 5.5 TR capacity, three phase, 415 volt capacity including brazing to suction & discharge line, vacuum testing with and including charging of regrigerant gas (R-407) & testing complete including taking down all as specified and directed . (Make- Model ZR81KCE-TFD of make EmersionCopeland or equivalent make and model of KCL/Emersion/Danfoss

M&L for charging/top up of refrigerant gas (R-22) in AC plants with provision of all T&P as required at site complete all as specified and directed by Engineer-in-Charge.

M&L for charging/top up of refrigerant gas (R407 ) in AC plants with provision of all T&P as required at site complete all as specified and directed by Engineer-in-Charge.

M&L for replacement of V fan belt A-28 Make : Fenner / Hilton/DUNLOP or equivalent complete all as specified and approved by Engineer-in-Charge.

M&L for replacement of V fan belt A-32 Make : Fenner / Hilton/DUNLOP or equivalent complete all as specified and approved by Engineer-in-Charge.

M&L for replacement of V fan belt B-84 Make : Fenner / Hilton/DUNLOP or equivalent complete all as specified and approved by Engineer-in-Charge.

Supplying and fixing Freon gas pressure gauge of range 0 - 150 PSI, 100 mm dia complete in repair all as specified & approved by Engineer-in-Charge. Make : IEbig / ACCEL / GURU / WIKA / MAHAVEER

Supplying & fixing new temperature gauge (Thermometer) suitable for condensing water circulating line, measuring range 0 - 50 oC complete in repair all as specified & directed. Make : Japsine /GURU or superior make as approved by GE

Supply and Fix water flow switch in repair of model HFS -25 OF Synergy, Honywell or equivalent .

Disconnecting and removing existing unserviceable interconnecting wiring and connections of electric control panels of any description and in any position after through checking and inspections at site and material & labour for repairs of electric control panel & its complete interlocking system with using PVC insulated and unsheathed stranded copper conductor cable, single core,1.5 Sqmm size, 1100 Volts grade cable for making functional controls of the compressor, chilled water pump, condenser water pump, Fan unit, cooling tower fan, pressure switch, solenoid valve, capacity control valve, thermostat, humidistat, heater, auxiliary contactor, push buttons, indicator, amps meter, volt meter complete as required at site for functioning of central AC plant/ Packege type AC plant,all as specified and directed by Engineer-in-Charge. Note : (i) The complete panel shall be checked and tested on full load after necessary repairs and replacement of unserviceable parts. for its smooth functioning and proper interlocking including tripping on single phasing (ii) Disconnecting, Taking down and replacement of defective/unserviceable parts/spares/ accessories with new one & its connection shall be measured and paid for separately under appropriate item of Schedule `A' here-in-after.

M&L for replacement of micro processing device (MPD) suitable for 11 TR package type AC plant 230V 7-20Amps rating complete as existing at site and testing complete all as specified & directed.

M&L for repairs to water pump 2/3 HP capacity by replacement of bearing, impeller and rewinding of motor with super enamelled copper wire of existing gauge complete installation and testing complete all as specified and directed

M&L for repairs to water pump 7.5 HP capacity by replacement of bearing, impeller and rewinding of motor with super enamelled copper wire of existing gauge complete installation and testing complete all as specified and directed

M&L for repairs of UNSV Cooling tower motor capacity 1.5HP assembly totally inclosed flange type including weather proof with extended saft specially designed for cooling Tower by replacement of bearing rewinding of motor with super enamelled copper wire of existing gauge complete

M&L for repairs to AHU blower motor 5 HP capacity by replacement of bearing and rewinding of motor with super enamelled copper wire of existing gauge including repair of shaft complete installation and testing complete all as specified and directed

Supply, fixing & testing new contactor of MNX 12 type, three pole power contactor with 01 NO + 01 NC auxiliary contacts for AC Circuit with AC coil voltage 220 grade, 50 Hz having current rating (AC3) of 12 Amps, 50 Cycle complete in repair all as specified & approved by Engineer-in-Charge . Make : L&T or equivalent of Siemens / Control & switch gear.

Supply, fixing & testing new contactor of MNX 18 type, three pole power contactor with 01 NO + 01 NC auxiliary contacts for AC Circuit with AC coil voltage 220 grade, 50 Hz having current rating (AC3) of 18 Amps, 50 Cycle complete in repair all as specified & approved by Engineer-in-Charge . Make : L&T or equivalent of Siemens / Control & switch gear.

Supply, fixing & testing Contactor Add on block of MNX -A-2 type,suitable for MNX 9-40 A power contactor for AC Circuit with AC voltage 220 grade, 50 Hz complete in repair all as specified & approved by Engineer-in-Charge . Make : L&T or equivalent of Siemens / Control & switch gear.

Supply, fixing & testing Contactor of MU 1 with auxiliary contacts 2NO + 2NC having current rating (AC3) 16 Amps complete all as specified and directed. Make : L&T or equivalent of Siemens / Control & switch gear.

Supply, fixing & testing Contactor of MU 2 with auxiliary contacts 2NO + 2NC having current rating (AC3) 25 Amps complete all as specified and directed. Make : L&T or equivalent of Siemens / Control & switch gear.

M & L for replacement of unserviceable thermal over load relay of various ranges as per existing make and model starting from 9 Amps to 42 Amps complete all as specified & approved by Engineer-in-Charge. Make : L&T / BCH or equivalent.

M & L for replacement of unserviceable single phase preventer, auxiliary volts 415 volts, complete all as specified and approved by Engineer-in-Charge.

M & L for replacement of unserviceable toggle switch complete all as specified & approved by Engineer-in-Charge.

S&F in repair Electronic timer suitable for range 3-30 Seconds complete all as specified and approved by Engineer-in-Charge. Make : L&T / Havells or equivalent

Disconnecting & Taking out old existing unserviceable MCCB and supply, fixing & testing MCCB, 160 Amps, 4 Pole, 415 Volts having breaking capacity Icu = ICS 100% = 25KA with adjustable thermal setting alongwith SS enclosure including mounting arrangement on wall or panel complete in repair all as specified & directed. Make : Legrand /L&T/Control & Switch gear

Supply, fixing & testing MCCB, 100 Amps, 4 Pole, 415 Volts having breaking capacity Icu = ICS 100% = 25KA with adjustable thermal setting alongwith SS enclosure including mounting arrangement on wall or panel complete in repair all as specified & directed. Make :Legrand /L&T/Control & Switch gear

Supply, fixing & testing MCCB, 63 Amps, 4 Pole, 415 Volts having breaking capacity Icu = ICS 100% = 16KA with adjustable thermal setting alongwith SS enclosure including mounting arrangement on wall or panel complete in repair all as specified & directed. Make :Legrand /L&T/Control & Switch gear

Supply, fixing & testing MCCB, 25 Amps, 4 Pole, 415 Volts having breaking capacity Icu = ICS 100% = 16KA with adjustable thermal setting alongwith SS enclosure including mounting arrangement on wall or panel complete in repair all as specified & directed. Make : Legrand /L&T/Control & Switch gear

Supply, fixing & testing MCB, 32 Amps, 3 Pole, 415 Volts 50 HZ, 10 KA breaking capacity complete in repair all as directed. Make :Legrand /L&T/Control & Switch gear

Supply, fixing & testing Amp meter 0-40 / 50 / 60 /100 Amps, 96mm x 96mm, digital type complete in repair all as specified & directed. Make : AE/L&T/Rishab/Meco/Enercon.

Supply, fixing & testing Volt meter 0-500 Volts, 96mm x 96mm, digital type with complete in repair all as specified & directed. Make : AE/ L&T/Rishab/Meco/Enercon.

Supply and Fixing Push Button Red/Green complete in repair all as specified

Supply and Fixing Lamp holder Red/Green complete in repair all as specified and approved by Engineer-in-Charge.

M&L for Preparation of the existing steel surfaces of existing panels of any description & in any position & applying two coats of synthetic enameled paint of approved shade complete including writing details & information on its panels with paints in the pattern & style to match with the words of existing panel complete all as specified & directed.

Supply & fixing differential temperature thermostat switch AC 230 Volts grade having range of 5 0C to 25 0C with sense capillary complete in repair all as specified Make : Renco / Pan / Honey well.

M&L for Taking up or down cast iron butterfly valve of any description and supplying, fixing and testing new butterfly valve of 80 mm bore in existing pipe line after necessary cleaning etc. complete all as specified and directed :- (Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Taking up or down cast iron butterfly valve of any description and supplying, fixing and testing new butterfly valve of 65 mm bore in existing pipe line after necessary cleaning etc. complete all as specified and directed :- (Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Taking up or down cast iron butterfly valve of any description and supplying, fixing and testing new butterfly valve of 50 mm bore in existing pipe line after necessary cleaning etc. complete all as specified and directed :- ( Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

M&L for replacement of PVC filling blocks of size 600mmx300mmx150mm complete all as specified and directed Make: - MIHIR/SUVIDHA/AVIRATS

Supply and fixing and testing new thermostatic expansion valve as per existing make and model suitable for 11 TR Package unit complete in repair testing all as per specified and directed by ENGR-IN-CHARGE.

Supply, fixing and connecting strip heater of 2 KW/3 KW, 230 volts fin type complete in repair all as specified and directed Make : Daspas or equivalent make as approved by the GE.

Supply,installation and commissioning of HDPE Water storage tank (cylindrical vertical withclosed top)of size 500 Ltr. complete with air vent and drain connection & overflow, make up connection with float valve complete.

M&L for Preparing old painted steel and metal based surfaces such as Compressor, AHU’s refrigerant water piping base plates, motors, AHU’s cable duct, MS channel, make up water tank, cooling tower, condensors, condensor pipe lines, etc of any shape, size and description, removing oil, dust & rust by using sand paper or any method on all types of surfaces, filling cavities if any and applying one coat spray painting with synthetic enameled paint of approved quality (All as per E-in-C’s colour code) with and including writing E/M & MES Nos, marking arrows / feeders name neatly on each machine complete of complete all as specified and directed by Engineer-in-Charge.

(i) Capacity of AC Plant of size 2 X 11 TR

(ii) AC plant of size 3X37 TR at special garrage

(iii) AC plant of size 3X11 TR at Parachute Section

S&F Cooling tower motor of capacity 3 hp ,3 Phase copper wound complete same as existing on site complete in repair all as specified and directed by Engr-in - Charge .

S&F Cooling tower motor of capacity 1.5 hp ,3 Phase copper wound complete same as existing on site complete in repair all as specified and directed by Engr-in - Charge .

M&L Electrical insulating rubber mat of size (2 mtr X1 mtr X3mm ) tested for LT Voltage1100 Volts complete all as specified and directed by Engr-in - Charge

Supply and fixing glow sign board of Central AC plant (size 3000 mm x 800 mm x 150 mm) weather proof made of mild steel angle 50 mm x 50 mm x 6mm with while acrylic sheet 2mm thick and writing name of AC Plant as directed by GE with arial black font with suitable size not exceeding 150mm and mininum size 100 mm and provision of 04 Nos of LED tube light fitting of 18/20 watt with including necessary wiring and other accessories and grouting on floor roof with suitable primary and secondary supports complete all as specified & directed .

S&F in repair mild steel sheet cover including replacement of angle iron including necessary welding and painting new steel surfaces with two coats of synthetic enamel paint over a coat primer to match with existing surfaces etc complete all as specified and directed. (Location 3X11 TR pacakge type AC Plant Unit)

External thermal insulation to supply and return airduct laid outside the conditioned space/ room with 50 mm thick expanded polysterene slab (TF Quality of 24 Kg/Cum density pested with hot bitumen after one coat of black paint over duct surface ,vapour barrier of 120 gm/sqm polysterene sheet and finally finished with 26 gauge almunium tape complete to make it wheather proof all as specified in particular specification

Ajanta Motor Store