REPAIR/ MAINTENANCE OF CENTRAL AC PLANTS IN MH ARMY AREA JODHPUR UNDER GE (A) NO.2 JODHPUR

Material and Labour for repairing and servicing /cleaning / Testing complete of 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'

Material & Labour only for replacement of following parts/items suitable for compressor 7.5 TR capacity open type unit. (i) Fan belt as per existing size

(ii) Temperature gauge suitable for HVAC system for hot/chilled water water pipeline as existing with accessories Make : H Guru

(iii) Pressure gauge analog type with stainless steel syphon suitable for HVAC plant of capacity upto 45 TR TR as existing make: H Guru

(iv) L.P. cut out

(v) HP cut out

(vi) Oil failure switch

(vii) Oil Pressure Switch

(viii) Compressor oil

Material and Labour for servicing and testing complete of 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 10 TR package type units against item no 3 (i) Fan belt s for blower motor as per existing size

(ii) Bearing of shaft of blower

(iii) Complete wiring Resetting of Package Unit

(iv) Dryer filter

(v) Air filter of 10 TR package unit

(vi) LP switch suitable for existing AC plant cap 5/7.5/10 TR (Package type) Make :Denfoss/Infoss

(vii) HP switch suitable for existing AC plant cap 5/7.5/10TR TR (Package type) Make :Denfoss/Infoss

Digital Temperature Meter (RH & Ambient Room Temp). Make : Selec, Denfoss, Indfoss

S&F in replacement of Scroll type compressor parts of cap. 13 TR suitable for existing AC plants : (i) Sub Bearing

(ii) Main bearing

(iii) Orbit beraring

(iii) Fixed Scroll

(iv) Compressor Chamber

(v) Crank Shaft

(vi) Oil Pump

S&F in repair, PCB assy suitable for 25TR chiller unit complete with display model no SCR 25 TR (MPD) V4 type Delux HMI range 10/7/2 current range 5/30 A Aux supply 0-11VAC, 0-13VAC display model no. 25 TR HMI (5-30A) make Voltas including testing and programming of the PCB all as per existing make and model 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 make Blue Star including testing all as directed and specified by EIC.

Servicing of Hot water Generator as per manufacturer norms of capacity 63/24/30 KW 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.

Sq mtr

(ii) Contactor 4 pole 32 Amps

(iii) Temperature gauge suitable for HVAC system for hot/chilled water water pipeline as existing with accessories

(iv) Pressure gauge analog type with stainless steel syphon suitable for HVAC plant of capacity upto 30 TR as existing

(v) Digital Amps meter

(vi) Fan belt for AHU as per existing.

(vii) Thermal Relay 4-16 Amps of existing make

(ix) Thermostat for AHU

Supply and fixing in repair of following spare parts of cooling tower motor of capacity 2HP/3 HP, 3 ph 415 Volts, 50 Hz, (i) Rotor shaft with rotor

(ii) Bearing as existing size and model.

(iii) Immersion proof cable gland as existing.

(iv) Connecttion plate

(v) 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) 7.5 TR AC Plant.

(b) 35 TR AC Plant.

(c) 10 TR AC Plant

(d) 25 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) 20 TR AC Plant.

(b) 15 TR AC Plant.

(c) 50 TR AC Plant.

(d) 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 item No. 15 here- in-before 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

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 item no 18 here in before but of capacity 02/03 Hp

All as per item no 18 here in before but of capacity 10 Hp

Material and Labour for repair/servicing greasing etc of compressor motor capacity upto 7.5/10 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.

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 65 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 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 and fixing in repair unserviceable CT fan blade (made of aluminum) of cooling tower of cap 70/50 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, XLPE insulated, armoured sheathed Aluminuim conductor cables, size 50 Sqmm 3.5 core suitable upto 1100 Volts conforming to IS-7098 complete all as specified & directed by Engineer-in-Charge.

All as per item No. 34 above but cable of size 25 Sqmm 3.5 core

All as per item No. 34 above but XLPE cable of size 10 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 18 A and including making necessary electric connections and testing of circuit on full load complete all as specified and directed.

All as per item No. 39 but current rating 32 AMPs, 3/4 pole -ditto-.

Taking out old unserviceable MCCBs 200 Amp rating and Supply and fixing for MCCB, 4 pole,415Volt, 25 KA including cable lugs of suitable size complete testing, commissioning complete to the entire satisfaction of Engr-in-charge.

All as per above Item no. 41 but current rating 100 Amps,16 KA,4P 415V

All as per above Item no.41 but current rating 125 Amps16 KA,4P 415V

All as per above Item no.41 but current rating 250 Amps25 KA,4P 415V

Supply and fix in replacement of overload relay capacity 4-11 Amp for motor protection with inbuilt earth fault proctection 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 with earth fault proctection 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 with earth fault proctection 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 Make : Selec or equivalent in BCH /Angel

Supply and fixing in replacement air filter of AHU of size as existing suitable for AHU of following capacity :- (i) 12000 CFM

(ii) 4000/4200 CFM

(iii) 10000 CFM

Material and Labour for repairing/servicing / cleaning complete of Air Handiling Unit capacity of 7.5 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

Material and Labour for repairing/servicing / cleaning complete of Air Handiling Unit capacity of 10000 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 item No. 51 above but capacity of 12000 CFM

All as per item No. 51 above but capacity of 4200 CFM

M & L for removing existing damaged ducting at several places & Supply, install and commissioning of GSS square/rectangular ducting complete all as per site requirement. (a) 22 gauge all as per site requirement. Note: Price quoted shall include bending the GSS sheet into exist

ing ducting shape/size along with insulation to be sticked onto the surface of the duct all as specified and directed by engineer-in-charge

S&F in repair, temperature sensor for compressor/chiller unit of central AC plant tube sensor suitable for 25TR chiller or 37 TR chiller all as per existing model with testing and commissioning complete as directed by Engineer-in-Charge.

Supply and fix of flange type High Flow hepa filter(600MM X 600MM) having following specifications: Frame : Aluminium, Media : Micro fibre glass, Sealing of Media: By means of epoxy, Effeiciency: ≥ 99.97 % down to 0.3 Micron particle size,IPD: 31± 10 % mm WG, FPD: 75 mm WG, Separotors: Aluminium, Flange Width: 20 MM Capacity:2000 CFM

M&L for preparation of old painted metal surfaces with 1 coat of aluminuim red oxide primer and 2 coats of aluminuim paint.all as per direction of engineer-in-charge.

M&L of rewinding of blower fan motor of capacity 6000 to 12000 CFM with all accessories required for installing and connection complete all as specified and directed by EIC.

supply and fixing in auto air purge valve of size 15/20/25 mm dia as specified and directed by Engr-in-charge

S&F for FM approved highly flexible thermal insulation elastomaric foam based on synthetic rubber laminated with 12 micron aluminium foil 13mm thick in replacement of damaged insulation copmplete all as specified and directed.

S&F PVC insulated flexible control cable of 7 core x 1Sqmm for AC plant control complete all as specified and dirtected.