Repair and Maintenance of Central AC Plants in Army Area Jodhpur

Amount

Material and Labour for repairing /servicing / cleaning /testing complete of 120 TR capacity chiller unit of Voltas make complete with replacement of worn out /unserviceable parts and reassembling the same after complete repair with accessories as nut, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire satisfaction of Engr-in-Charge Note :- Servicing work of chiller unit to be done by the authorised representative of OEM. Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction.Testing shall be done for leak test, vaccum test, insulation, HV, wiring and performance test with complete test report with actual reading and read standerd parameter reading duly signed by HVAC maint Engineer/Tech of reputed firm. All spares parts as required for repair /servicing shall be measured and paid separately under relevant item of Sch 'A'.

Material only for replacement of following parts/items suitable for 120TR capacity chiller unit :- (i) Compressor oil CPI-120

All as per Srl Item No 02 above but Temperature sensor as suit to existing.

All as per Srl Item No 02 above but Gas sensor as suit to existing

All as per Srl Item No 02 above but Dryer of size 3/8"

All as per Srl Item No 02 above but Solenoid switch as suit to existing.

All as per Srl Item No 02 above but LP/HP cut out switch suitable for existing AC plant cap 120TR

All as per Srl Item No 02 above but Water cooled chiller main controller circuit

All as per Srl Item No 02 above but Pressure gauge analog type with stainless steel syphon suitable for HVAC plant of capacity 120 TR as existing

Material and Labour for repairing and servicing /cleaning / Testing complete of 5 / 7.5 TR compressor unit with replacement of worn out /unserviceable parts and reassembling the same after complete repair with accessories such as nut, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire Satisfaction of Engr-in-charge Note:- Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction. Testing shall be done for leak test, vaccum test, insulation, HV, wiring and performance test with complete test report with actual reading and read standerd parameter reading duly signed by HVAC maint Engineer/Tech of reputed firm. All spares parts as required for repair/overhauling shall be measured and paid separately under relevant item of Schedule 'A' item sl no 12

Material and Labour for repairing/servicing /cleaning/ Testing complete of 22.5 TR compressor unit with replacement of worn out /unserviceable parts and reassembling the same after complete repair with accessories such as nut, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire Satisfaction of Engr-in-charge incl replacement of following parts/items suitable for compressor of cap 22.5 TR:- Note ;- Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction.Testing shall be done for leak test, vaccum test, insulation, HV, wiring and performance test with complete test report with actual reading and read standerd parameter reading duly signed by HVAC maint Engineer/Tech of reputed firm. All spares parts as required for repair /shall be measured and paid separately under relevant item of Sch 'A' item sl no 12.

Material only for replacement of following parts/items suitable for compressor 5 / 7.5/22.5 TR capacity open type unit (i) Piston

All as per Srl Item No 12 above but Piston Rings

All as per Srl Item No 12 above but Connecting Rod

All as per Srl Item No 12 above but Connecting Rod bearing

All as per Srl Item No 12 above but Gudgeon Pin

All as per Srl Item No 12 above but Head Spring

All as per Srl Item No 12 above but Compresser Bearing

All as per Srl Item No 12 above but Crank shaft

All as per Srl Item No 12 above but Oil Seal

All as per Srl Item No 12 above but Oil Ring

All as per Srl Item No 12 above but Oil Plate

All as per Srl Item No 12 above but Compressor Cylinder

All as per Srl Item No 12 above but Load/Unload assembly

All as per Srl Item No 12 above but Oil pressure valve

All as per Srl Item No 12 above but Suction Reed

All as per Srl Item No 12 above but Discharge Reed

All as per Srl Item No 12 above but Oil pump

All as per Srl Item No 12 above but Gasket Set

All as per Srl Item No 12 above but Oil filter

All as per Srl Item No 12 above but Fan belt as per existing size

All as per Srl Item No 12 above but Temperature gauge suitable for HVAC system for hot/chilled water water pipeline as existing with accessories

All as per Srl Item No 12 above but Pressure gauge analog type with stainless steel syphon suitable for HVAC plant of capacity upto 45 TR TR as existing

All as per Srl Item No 12 above but L.P. cut out

All as per Srl Item No 12 above but HP cut out

All as per Srl Item No 12 above but Oil failure switch

All as per Srl Item No 12 above but Oil Pressure Switch

All as per Srl Item No 12 above but Compressor oil

Material and Labour for servicing and testing complete of 5/7.5/10 TR compressor package type unit with replacement of worn out /unserviceable parts and re fixing the same after complete servicing with accessories such as nut, bolts, washers etc. including testing, commissioning complete to the entire Satisfaction of Engr-in-charge Note :- (i) Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction. Testing shall be done for leak test, vaccum test, insulation, HV, wiring and performance test with complete test report with actual reading and read standerd parameter reading duly signed by HVAC maint Engineer/Tech of reputed firm. All spares parts as required for repair /servicing shall be measured and paid separately under relevant item of Schedule 'A'.

Material only for replacement of following parts/items suitable for 5/7.5/10 TR package type units against item no 5 (i) Fan belt s for blower motor as per existing size

All as per Srl Item No 40 above but Bearing of shaft of blower

All as per Srl Item No 40 above but Complete wiring Resetting of Package Unit

All as per Srl Item No 40 above but Dryer filter

All as per Srl Item No 40 above but Air filter of 5 / 7.5/10 TR package unit

All as per Srl Item No 40 above but Condenser fan blade suitable for existing unit

All as per Srl Item No 40 above but bearing of shaft

All as per Srl Item No 40 above but Air filter suitable for officer ward AC plant

All as per Srl Item No 40 above but LP switch suitable for existing AC plant cap 5/7.5/10 TR (Package type)

All as per Srl Item No 40 above but HP switch suitable for existing AC plant cap 5/7.5/10TR TR (Package type)

All as per Srl Item No 40 above but PVC Cylinderical type tank of cap 1500 ltrs

All as per Srl Item No 40 above but PVC Cylinderical type tank of cap 2000 ltrs

S&F in replacement of reciprocating type sealed compressor of cap. 5 TR , 3 Phase, 380-420 Volts, 50 Hz , Thermally protected suitable for existing AC plants complete incl testing and commissioning as directed by EIC

S&F in replacement of Scroll type sealed compressor of cap. 5 TR , 3 Phase, 380-420 Volts, 50 Hz , Thermally protected operating pressure H/L 27.0/20.0 bars suitable for existing AC plants complete incl testing and commissioning as directed by EIC

S&F in replacement of Scroll type sealed compressor cap. 13 TR model No. SZ185S4RC, 380-400 V, 50 Hz thermally protected systemvolume 31.0L at LP side and 2.0 L at HP side PS from 25 bar to 31.9 bar suitable for existing AC plants

S&F in repair, PCB assy complete with display model no SCR 33 TR (MPD) V4 type Delux HMI range 10/7/2 current range 5/30 A Aux supply 0-11VAC, 0-13VAC display model no. 33 TR HMI (5-30A) including testing all as directed and specified by EIC.

S&F in repair, PCB assy complete with display Sl no DX-3LD-45 unit model no XWC35-039AR2 of rated cap 37.7 TR including testing all as directed and specified by EIC.

Servicing of Hot water Generator as per manufacturer norms of capacity 63 KW model No RC63, 3 steps any make complete as directed and specified by EIC.

S&F in repair, heating coil as per sample of hot water generator of capacity 63 KW model No RC63, 3 steps any make as per sample complete as directed and specified by EIC.

Material labour for replacement of following parts/items suitable for 22000/14000/4000 CFM capacity AHU unit :- (i) Contactor 4 pole 40Amps

All as per Srl Item No 59 above but Contactor 4 pole 32 Amps

All as per Srl Item No 40 above but Temperature gauge suitable for HVAC system for hot/chilled water water pipeline as existing with accessories

All as per Srl Item No 40 above but Pressure gauge analog type with stainless steel syphon suitable for HVAC plant of capacity upto 30 TR as existing

All as per Srl Item No 40 above but Digital Amps meter

All as per Srl Item No 40 above but Fan belt for AHU as per existing.

All as per Srl Item No 40 above but Relay 8-22 Amps of existing

All as per Srl Item No 40 above but Three way motorised direct mounted actuator valve complete set 3"/2.5"/4" with all accessories and including piping arrangement, providing connections etc complete as specified and directed by EIC. Note : cost of welding work for connection and disconnection of valve and pipeline, cost of MS pipe heavy duty of size 3"/2.5"/4" upto 3 mtrs pieces is deemed to be included in quoted rates.

All as per Srl Item No 40 above but Thermostat for AHU

Supply and fixing in repair of following spare parts of cooling tower motor of capacity 3 HP, 3 ph 415 Volts, 50 Hz (i) Rotor shaft with rotor

All as per Srl Item No 68 above but Bearing as existing size and model.

All as per Srl Item No 68 above but Immersion proof cable gland as existing.

All as per Srl Item No 68 above but Connecttion plate

All as per Srl Item No 68 above but Outer casing with anti corrosion coating on the outside.

Material and labour for descaling of condenser after opening from both side and using the descaling compound and brushes with long iron rod to clean the deposition in side the copper tubes and check the water flow in side the tubes including replacement of gasket set, nuts and bolt all as directed by Engr-in-Charge. Note :- Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction. Following capacity are (a) 120 TR AC Plant

All as per Srl Item No 73 above but 22.5/45 TR AC Plant.

All as per Srl Item No 73 above but 5 TR AC Plant.

All as per Srl Item No 73 above but 7.5 TR AC Plant.

All as per Srl Item No 73 above but 35 TR AC Plant.

Material and Labour for cleaning, servicing of cooling tower with cleaning agent complete pipe lines, and FRP tank, greasing, servicing of cooling tower, motor and fan & make the necessary alignment Note :- Condensor/Chiller coil cleaning by Basic chemical of approved make with preventing equipment from cleanser and avoiding any hazard to human being from chemical reaction.for the following capacity are (a) 240 TR AC plant

All as per Srl Item No 78 above but 20/22.5 TR AC Plant.

All as per Srl Item No 78 above but 10 TR AC Plant.

All as per Srl Item No 78 above but 7.5 TR AC Plant.

All as per Srl Item No 78 above but 70 TR AC Plant.

All as per Srl Item No 78 above but 45 TR AC Plant.

Material and labour for replacement of unserviceable sluice valve flanged of class1.6 PN of 80 mm dia and necessary fittings

Material and labour for replacement unserviceable ball bearing of Cooling Tower including all necessary lathe works as required and greasing etc complete as per direction of Engr-in-Charge. Following capacity of (a) 240 TR

All as per Srl Item No 85 above but 20/22.5 TR

All as per Srl Item No 85 above but 10 TR

All as per Srl Item No 85 above but 7.5 TR

All as per Srl Item No 85 above but 70 TR AC Plant.

Material and labour for repair/overhauling of centrifugal monoblock pump set of 5/7.5 HP by opening Gland bush , studs, nuts & washers Ball bearing of pump set Remetling grinding and polishing of pump shaft to required size Gland packing ,replacement of pump bearings and making its proper alignment etc & refixing after repair all as directed .

All as per Srl Item No 90 above but 10.0 HP

Disconnecting the electrical connection and taking down the burnt out cooling tower motor of capacity 01/02/03 Hp from any location and transporting to workshop for repair, dismantling the motor & taking out burnout copper winding and rewinding the same with super enamelled copper wire as pr existing gauge including replacement of bering & correcting minor defects reassembling, transporting motor from workshop to site, reinstalled at site, reconnecting, testing and commissioning complete all as specified and directed by EIC. Note :- Contractor must ensure reinstallation of motor and make motor functional after rewinding within 48 Hrs of receiving the complaint. Any delay will be fined Rs 1000 per hour

All as per Srl Item No 92 above but of capacity 10 Hp

Disconnecting the electrical connection and taking down the burnt out monoblock pumpset of capacity 05/7.5 Hp from any location and transporting to workshop for repair, dismantling the pumpset & taking out burnout copper winding and rewinding the same with super enamelled copper wire as pr existing gauge including replacement of bering & correcting minor defects reassembling, transporting monoblock pumpset from workshop to site, reinstalled at site, reconnecting, testing and commissioning complete all as specified and directed by EIC. Note :- Contractor must ensure reinstallation of pumpset and make the plant functional after rewinding within 48 Hrs of receiving the complaint. Any delay will be fined for Rs 1000 per hour

All as per Srl Item No 94 above but of capacity 02/03 Hp

All as per Srl Item No 94 above but of capacity 10 Hp

Material and Labour for repair/servicing greasing etc of compressor motor capacity upto 30 HP of repair / replacement of Ball bearing of motor and Remetling grinding and polishing of motor shaft to required size all as directed refixing the same with existing compressor with proper alignment.

All as per Srl Item No 97 above but cap of motor 7.5/10 HP

Material and Labour for replacement unserviceable sprinkler Assy of Cooling Tower of capacity 45 to 70 TR complete all as directed.

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 125/150 mm dia

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 200 mm dia

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 80 mm dia

Dismantling and taking out old butterfly valve and supply, installation, testing and commissioning of butterfly valve class-II heavy duty for discharge & liquid line of 100 mm dia

supply and fixing in repair gun metal gate valve of size 25/32 mm dia as specified and directed by EIC

Dismantling and taking out old solenoid valve and supply, installation, testing and commissioning of solenoid valve class-II heavy duty for liquid line as per existing.

Supply & Charging Maffron gas R-22 at Centre type AC plant and Package type AC plant. Note -Leakage detection using Nitrogen gas if requred is deeemed to included in the quoted rate

Supply & Charging Maffron gas R 407 at Centre type AC plant . Note -Leakage detection using Nitrogen gas if requred is deeemed to included in the quoted rate.

Material and labour for replacement unserviceable fan blade of out door unit package type AC plant of cap 5 TR all as per Engr in charge

Supply and fixing in repair unserviceable CT fan blade of cooling tower of cap 70 TR as per existing size.

Supply and fixing in repair unserviceable CT fan blade of cooling tower of cap 10/7.5/20/22.5 TR as per existing size.

Supply and fixing in repair unserviceable CT fan blade of cooling tower of cap 240 TR as per existing size.

Material and labour for replacement of cooling pad /Fills for cooling tower/ air cooling plant including complete fitting as existing at various instalations.

Disconnecting & Taking out old existing unserviceable current transformer of Amp meter of any description and Supply, fixing & testing round/ring type current transformer of ratio 100/5 Amp to 150/5 Amp, rated burden 5 VA and accuracy class 1.0 complete all as specified & directed.

Disconnecting, dismantling & taking out old existing unserviceable cables of any description & in any position and supplying, fixing & testing new three core, PVC insulated, armoured unsheathed Aluminium conductor cables, size 50 Sqmm 3.5 core suitable upto 1100 Volts conforming to IS-694 complete all as specified & directed by Engineer-in-Charge.

All as per Srl Item No 114 above but cable of size 25 Sqmm 3.5 core

All as per Srl Item No 114 above but cable of size 10 Sqmm 3 core

All as per Srl Item No 114 above but cable of size 6 Sqmm 3 core

Supply and fix in replacement of old unserviceable indicators any type with LED based indicating lamps of RYB colour incl disconnecting and connecting of the same all as directed at site.

Supply and fix in replacement of single Phase Preventer suitable for motor protection and making all incoming and out going electric connections complete all a specified and directed.type VSP2

Supplying and fixing in replacement of AC contactor 3/4 pole, 415 volts current rating 32 A and including making necessary electric connections and testing of circuit on full load complete all as specified and directed.

All as per Srl Item No 120 above but current rating 18 AMPs, 3/4 pole

All as per Srl Item No 120 above but current rating 125 AMPs, 37 KW, 3/4 pole

All as per Srl Item No 120 above but current rating 63 AMPs, 4pole

Taking out old unserviceable MCCBs up to 200 Amp rating and Supply and fixing for MCCB, 4 pole,415Volt, 16 KA including cable lugs of suitable size complete testing, commissioning complete to the entire satisfaction of Engr-in-charge, the following capacity of (a) 63 Amps.

All as per Srl Item No 124 above but current rating 100 Amps

All as per Srl Item No 124 above but current rating 125 Amps

Supply and fix in replacement of overload relay capacity 4-11 Amp for motor protection making all incoming and outgoing electric connection complete all as specified and directed.

Supply and fix in replacement of overload relay capacity 8-22 Amp for motor protection making all incoming and outgoing electric connection complete all as specified and directed.

Supply and fix in replacement of overload relay capacity 16-44 Amp for motor protection making all incoming and outgoing electric connection complete all as specified and directed.

Supply and fix in replacement of timer for motor starter 0-30 sec./3-30 Sec making all incoming and outgoing electric connection complete all as specified and directed.Cat No-800 SD

Supply and fixing in repair/replacement condensor unit shell and tube type water cooled complete for AC plant of capacity 7.5 TR . Condensor should have copper tubing, heavy duty body and with all accessories complete with testing and commisiong complete all as directed by EIC. Note : cost of disconnecting the existing condesor, refixing the new one incl welding work, plumbing work, supplying GI pipe of size 40/50/60 mm dia upto 3 mtr pieces as required at site deemed to be included in quoted rate.

Supply and fixing in repair attenuator suitable for control the noise from 20 DB to 70 DB suitable for AHU supply/retuen air line of capacity upto 20000 CFM with all accessories required for installing and connection complete all as specified and directed by EIC.

Supply and fixing in replacement air filter of AHU of size as existing suitable for AHU of following capacity :- (i) 2000 CFM

All as per Srl Item No 133 above but 4000/4200 CFM

Supply and fixing in replacement Copper tube of following size including brazing/welding work and leakage testing complete all as specified and directed by EIC :- (i) 8 mm dia

All as per Srl Item No 135 above but 12 mm dia

All as per Srl Item No 135 above but 15 mm dia

Supply and fixing in replacement GI/MS pipes heavy duty of following size including taking down/up of existing pipe and replacing the same with new pipe incl welding work, providing all type of GI fitting as required at site including testing for leakage/blockage of pipe complete all as specified and directed by EIC :- (i) 25 mm dia

All as per Srl Item No 138 above but 32 mm dia

All as per Srl Item No 138 above but 40 mm dia

All as per Srl Item No 138 above but 50 mm dia

All as per Srl Item No 138 above but 80 mm dia

All as per Srl Item No 138 above but 100 mm

All as per Srl Item No 138 above but 125/150 mm dia

All as per Srl Item No 138 above but 200 mm dia

Material and Labour for repairing /servicing / cleaning complete of hot water generator capacity of 115 KW, complete with replacement of worn out /unserviceable parts and reassembling the same after complete repair with accessories as nut, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire satisfaction of Engr-in-Charge Note :- Servicing work of hot water generator unit to be done by the authorised representative of OEM. All spares and parts are required for repair /servicing are including.

Material and Labour for repairing/servicing / cleaning complete of Air Handiling Unit capacity of 22.5 TR, complete with replacement of worn out /unserviceable parts and rectify the leakages and reassembling the same after complete repair/leakages with accessories as nust, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire satisfaction of Engr-in-Charge

All as per Srl Item No 147 above but capacity of 7.5 TR

All as per Srl Item No 147 above but capacity of 10 TR

Material and Labour for repairing/servicing / cleaning complete of Air Handiling Unit capacity of 14000 CFM, complete with replacement of worn out /unserviceable parts and rectify the leakages and reassembling the same after complete repair/leakages with accessories as nust, bolts, washers etc installation on existing foundation coupling with existing electrical motor with proper alignment including testing, commissioning complete to the entire satisfaction of Engr-in-Charge

All as per Srl Item No 150 above but capacity of 22000 CFM

All as per Srl Item No 150 above but capacity of 20750 CFM

All as per Srl Item No 150 above but capacity of 13750 CFM

All as per Srl Item No 150 above but capacity of 4000 CFM

All as per Srl Item No 150 above but capacity of 12000 CFM

All as per Srl Item No 150 above but capacity of 4200 CFM

S & F wall/ceiling mounting luminaries LED tube light fitting 1x 20 W 230V Energy effecient T5 box type epoxy power coated CRCA sheet with electronic ballast bipin holder internally prewired complete with all accessories suitable for 1 x 22 watt LED tube light

Taking out old damaged Ac duct insulation and supply and fixing for duct insulation with Alluminium laminated XLPE insulation of thickness 13 mm 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 millscale, dirt, dust,grease and other foreigen material, taking special care so that all duct joints are sealed against any leakages. (b) M & L for appling rubber based adhesive CPRX compound.

Taking out old rusted alluminium cladding and Supply and fixing alluminium sheet of size 24 Gauge for cladding to exposed AC duct rectangular/ square duct made out of Hollow profile, duly factory boxed, including all accessories such as corner, cleat, carriage bolts, gasket, with support of angle iron of size 50mm x 50mm x 6 mm and appropriate sealant on longitudinal joints etc as specified.

Supply and fixing in repair of following spare parts of cooling tower motor of capacity 10 HP, 3 ph 415 Volts, 50 Hz, (i) Rotor shaft with rotor

All as per Srl Item No 160 above but Bearing as existing size and model.

All as per Srl Item No 160 above but Immersion proof cable gland as existing.

All as per Srl Item No 160 above but Connecttion plate

All as per Srl Item No 160 above but Outer casing with anti corrosion coating on the outside.

S&F in repair, axial fan for cooling of ACB panel of central AC plant 220V AC metal body axial fan 4"/6" sweep as per existing as specified and directed by Engineer-in-Charge.

S&F in repair, temperature sensor for scroll type compressor/chiller unit of central AC plant of capacity 37 TR tube sensor 125 C Model No. Vw-1H (08.0) & VIT-300 E218405, 105 C Vw-1 as per existing model with testing and commissioning complete as directed by Engineer-in-Charge.

Mahesh Dave

M/s R K Enterprises