REPAIR ROUTINE MAINT OF CENTRAL AC PLANT INSTALLED AT COMMAND AUDITORIUM INCLUDING WATER HEATER SPLIT WINDOW TYPE OF AC WATER COOLER REFRIGERATOR AND OTHER ALLIED WORKS AND MANNING AND OPERATION OF CENTRAL AC PLANT INSTALLED AT COMMAND AUDITORIUM INC

Amount

Comprehensive Maintenance of Central Air Conditioning plant installed in Command Auditorium Old Navy Nagar of capacity 02 Nos x 89 TR, Existing Make : Bluestar, Model No LCW1-090V030404 of chilled water type working at a time with all equipments two nos water cooler chiller unit and to maintain the specified tempertaure 20+2°C and RH 50+5% AC plants consisting of the following items /fittings/ fixtures/ devices/ components and taking care, cleaning etc inculding running if DG set 100KVA capacity & regular check of distilled water of battery also collecting of oil from MT and filling up DG set complete all as specified and directed. The following components are:- a) Screw compressor hermatically sealed units using R-134A refigerant gas Existing Make-Bluestar-02 Nos b) Condenser/Chiller water pumping set mono block centrifugal type 10 HP 3 phase 415 volts Existing Make : Kirloskar Model No KDI1030 - 06 Nos c) AHU capacity 36000CFM Make : Zeco, Model ZDS - 350 with cooling coil DX type and blower motor - 02 Nos d) FRP induced draft rectangular type counter flow cooling tower of capcity 110 TR Existing Make : Mihir model SM 6/9E/5-02 Nos e) Control devices such as expansive valves, thermostat solenoid valves HP/LP/CP cut with panel board installed gauge thermostats - 02 set f) Condenser piping MS with valves pressure gauge temperature gague etc- 01 set g) Air supply duct with grills diffusers dampers and heater complete - 01 set h) Electrical control panel cubical type floor mounted with main switch MCCB, MCB,s voltmeter Ampere meter starter contractor etc complete - 01 set (j) Electrical control panel cubical type floor mounted with main switches, MCCB's, MCB's, Voltmeter's, starters, contractors etc complete-01 set.

Material & labour for Detecting the gas leakage, rectifying the defects by vacuumizing and charging fresh mafron gas and commissioning and testing the Split type AC 1.5/2.0 Ton Capacity. complete all as specified and directed.

All as per item No 2.00 above but of Water cooler 40/60/80 Ltrs capacity.

All as per item No 2.00 above but of Water cooler 120/150/170 Ltrs capacity.

Material & labour for Taking out Split type Air conditioner 1.0/1.5/2.0 Ton capacity complete outdoor&indoor of any make from its original location, removing the dust from body with blower, cleaning the condenser and cooling coil by using water and caustic soda, painting the base tray with one coat of black enamel paint checking all the connections including functioning of metal clad socket/ DP switch function of relay capacitors overload protector thermostat fan motor blade fan blower drum etc. oiling/ greasing of fan motor checking serviceability and refixing it in its original place including testing commissioning for 1.0/1.5/2.0 Ton of AC of any make all as specified & directed by Engineer-in-charge.

Material & labour for preparation of old painted surfaces of Water cooler any capacity by complete scraping of old painting and applying two coat of synthetic enamel painting on outer surface (spray painting) as per existing colour and black colour on bottom portion such as compressor etc. over a coat of red oxide primer complete all as specified and directed.

Taking out old unserviceable compressor and Supply, installation, testing & commissioning new compressor sealed reciprocating type suitable for Split type AC 1.5 Ton capacity duly charged with fresh Refrigerant gas etc. complete all as specified & directed by Engineer-in-charge. Make : As per existing make at site from OEM only.

All as per item No. 7.00 above but of Water coolers 40 / 60 /80 Liters capacity

All as per item No. 7.00 above but of Water coolers 120/150/170 Liters capacity

Taking down carefully split type AC of capacity 1.5 / 2.0 ton & shifting on new location complete with pre fabricated brackets/ frame work as required complete & making the good existing surface with out any damage outdoor & indoor unit complete all as specified & directed

Removing the existing unserviceable burnt fan motor from Split type AC of capacity 1.0 / 1.5 / 2.0 Ton and replacing the same with brand new fan motor of same capacity including reassembling and testing complete all as specified & directed

Supply & fixing fan motor suitable for water cooler of any capacity including removing old fan motor and testing complete all as specified & directed

Supply, fixing and testing fan blade suitable for Split type Air conditioner of 1.0 / 1.5 / 2.0 Ton capacity including removing old fan blade complete all as specified & directed

Supply, fixing and testing fan blade suitable for water cooler of any capacity including removing old fan blade complete all as specified & directed

Replacement of starting capacitor 60 - 80 mfd

Replacement of starting capacitor 80-100 mfd.

Replacement of starting capacitor 100 -120 mfd.

Replacement of running capacitor 25 MFD.

Replacement of running capacitor 36 MFD.

Replacement of running capacitor 45 MFD.

Taking out old unserviceable thermostat switch and Supply & fixing of thermostat switch for Split type AC of capacity 1.0 Ton / 1.5 Ton / 2.0 Ton capacity.

Taking out old unserviceable thermostat switch and Supply & fixing of thermostat switch for Water Cooler of any capacity.

Taking out old unserviceable and Supply & fixing new over load relay suitable for Split type AC of 1.0 Ton / 1.5 Ton / 2 Ton capacity all as directed.

Taking out old unserviceable and Supply & fixing new over load relay suitable for water cooler of any capacity all as directed.

Supply & fixing of Float valve suitabie for Water cooler.

Supply & fixing and clamping jointing copper tubing for suction line and for liquid discharge line duly insulated with suitable insulation material including making hole in wall for passing through and making good to the disturbed surface after taking out old unserviceable copper tube complete. Note: Size of tube as per site requirement

Supply and laying cable PVC insulated 3 core 4 Sq mm with copper conductor cable suitable for indoor unit to outdoor unit after taking out old unserviceable complete all as directed by Engineer-in-Charge.

Supply and laying PVC pipe 20 mm dia heavy duty for draining out condensing water of split AC including cutting of floor / opening of hole in wall and making good after laying of pipe etc match the existing surface after taking out old unserviceable complete.

Supply & fixing push cock / lifting cock of 15 mm bore in repair for water cooler of any capacity after taking out old unserviceable one.

Supply and fixing sheet metal enclosure with 2 pin and earth plug and socket complete with single pole MCB of 20 Amps all as specified & directed by Engineer-in-Charge after taking out old unserviceable one

Taking out old unserviceable condenser coil of 1.5 Ton Split type AC any make with fins cutting inlet & outlet connecting copper pipe and providing new condensor coil with fins and connecting inlet & outlet copper pipe by bracing and replacement of nut bolts etc complete all as specified and directed

Removing electronic unserviceable Printed circuit boards (PCB) from Split type AC 1.5 ton / 2.0 Ton capacity and replacing with new PCBs and testing complete all as specified and directed

Supply & Fixing in replacement of blower fan motor capacitor with capacitor 4 MFD for AC.

Supply & Fixing in replacement of blower fan motor capacitor with capacitor 6 MFD Water cooler.

Supply & Fixing in replacement of remote handset & Supply of sensor remote handset suitable for 1.5/2.0 Ton capacity split type AC etc. complete all as specified and directed

Taking out old unserviceable cooling coil of Split type AC any make with fins cutting inlet & outlet connecting copper pipe and providing new cooling coil with fins and connecting inlet & outlet copper pipe by bracing and replacement of nut bolts etc complete all as specified and directed

Supply & fixing Condensing unit Bracket of any size and type suitable for supporting to out door unit of split type AC including nut, bolts & washers complete all as specified and directed by Engineer-in-Charge.

Supply and charging Refrigerant Gas R-22/R-32 ISI Marked as per requirement.

Taking down old unserviceable and Supply & Fixing of indoor unit of split type AC 1.5 TR cap having 5 star rating inverter type complete with all accessories such as installation plate with screws, blower motor, swing motor, filter and PCB etc duly prewired including reconnecting of existing refrigerant piping, electrical connections, drain pipe etc and testing after taking out old one complete all as specified and directed. (Note :- Old Indoor unit will be deposied to MES (E/M) Store yard ).

Taking down old unserviceable and Supply & Fixing of outdoor unit of split type AC 1.5 TR cap having 5 star rating inverter type complete with all accessories such as hermetically sealed compressor, condenser unit, capacitor, relays, fan motor etc duly prewired including reconnecting of existing refrigerant piping, electrical connections, drain pipe etc and testing after taking out old one complete all as specified and directed. (Note :- Old Outdoor unit will be deposied to MES (E/M) Store yard).

Taking down old unserviceable and Supply & fixing water purifier (on line) with sediment filter, carbon black & UV lamp with 200/Lph, fixing water purifier on wall and connecting it with water cooler including all connecting accessories complete all as specified and as directed. (Note :- Old water purifier will be deposied to MES (E/M) Store yard).

Cleaning of Air handling ducts internally by using special T&P like robortic arm, air compressor, air jet nozzles, flipper, vacuum pump and a suction blower with hepa filter and check before and after the cleaning all as directed by the Engineer-in-Charge

Taking down (GI/AL) or any other type of false ceiling/ perforated board and Material and labour new perforated sheet of size 2x2 sqft all as directed by Engineer-in-Charge

Taking down old unserviceable duct insulation, cleaning the duct surface with steel brush to remove dirt,dust and making it free of scale, greases and foreign matter and material & labour for chilled pipe line insulation by applying a coat of zinc chromite primer and applying two coats of cold setting adhesive compound(CRPX) on pipes for sticking the insulation bonded mineral wool @ 144 Kg/Cum or puff of density 36 Kg/Cum, 50mm thicknes tightly pressed on the pipe up to 250mm dia, seal all the joint with adhesive compound wrap the insulation surface by using one layer of polythene sheet 50mm wide, PVC tape, cover the entire surface with chicken mesh and finishing the surface complete all as specified and directed

Taking down old and unserviceable CI butter fly valve (ISI Marked) of any make or size and supply and fixing of new CI butter fly valve slim seal design with clutch lever (P10) all as per IS of 150 mm dia size.

Taking down old and unserviceble CI NRV Fittings of any make or size and supply and fixing of new CI NRV all as per IS NRV of 150 mm dia size.

Material & labour for Water pressure gauge 0-15 Kg per cm² , Over Pressure Limit: 100 to 600 to < 1600 bar : 110% of Max. Scale Value, Operating Pressure Range: 75% of the scale value, Accuracy: +/- 2.5% of F.S. Ambient Temperature: -20 Deg-C to +65 Deg-C

Disconnecting and taking out old unserviceable filter and supply & fixing with new aqua Filter of inbuilt water cooler complete to match the existing and connecting up with existing system including all accessories complete all as specified and directed by Engineer-in-Charge.

Taking down old unserviceable AHU pre filter and Supply and fixing new pre filters (EU-4)synthetic non oven type efficiency 90% down to particular size of 10 micron double knitted twisted polymer fabric (washable) rated with press drop of 6 mm WC to be mounted in AHU filter assembly size as per existing.

Material and labour for cleaning complete DX type cooling coil of AHU with chemical solution caustic soda to remove impurities dust and foreign materials, complete with nylon brush and cleaning cooling coil with fresh water complete all as specified & directed for the cooling coil section of AHU.

Material and labour for servicing of cooling tower Existing Make:- MIHIR by dismanting Nut/Bolts and scraping & removing algae from the surface of FRP body including replacement of unserviceable accessories i.e.PVC fills,Nozzles, water inlet/outlet pipe and filter, Fan blade, fan blade housing assembly, GI bolts, nuts, MS frame and ladder etc complete (serviceable qty shall be reused to the extent available) after cleaning with diluted HCL solution suitable for the existing cooling tower, servicing of fan and motor assembly including removal of dust, oil, scaling of motor body and replacing the unserviceable bearing, painting with anticorrosive paint & reassembling complete all as specified and directed.

Dismantling and Servicing of AHU carefully with top panel and side panel unserviceable pedastal bearings, shafts, motor and blower assembling, materialising and machineing the shaft, replacement of existing size of bearings reassembling the new pedastal bearing shaft blower assembly and electric motor and top / side panel in original position with new nut for smooth running all as specified and directed by Engineer-in-Charge.

Rewinding of unserviceable electric motor 3 phase 50 Hz 415volt of 10.0 HP condenser/chiller water pump motor set complete. comprising as under :- (i) Disconnecting & removing the electric motor from installed position including, loading, unloading and transporting to approved workshop. (ii) Taking out the existing burnt winding from the motor including rewinding complete with super enamelled copper winding wire of existing gauge including all insulating material such as insulation paper, sleeves, tape, varnish etc. complete for class 'F' insulation. (iii) Transporting the motor back to the location, reinstalling in original position including alignment, electrical & water connection, commissioning and testing for 8hours continously to check the RPM etc. to the satisfactory performance etc. complete. Note :- Any damage caused during handling/repairing shall be made good without any extra cost to department.

Supply and errecting factory fabricated rectangular square duct made out of 22 gauge GI sheet in L shaped hollow profile including all accessories such as corner, carriage bolt hangers, gasket and seal the longitudinal joints with and including approved sealant complete all as specified and directed.

Supply and errecting factory fabricated rectangular square duct made out of 24 gauge GI sheet in L shaped hollow profile including all accessories such as corner, carriage bolt hangers, gasket and seal the longitudinal joints with and including approved sealant complete all as specified and directed.

Supply and fixing in repairs humidity control set including heater strips and complete connecting wiring suitable for cut out system as per existing at site complete all as specified and directed

Supply & fixing in repair in existing panel MCCB,250Amps,4pole ,25 kA and all as specified and directed by Engineer-In-Charge

All as per item No 57.00 above of capacity of 630 Amps,36 KA,4pole

All as per item No 57.00 above of capacity of 63Amps,25KA,4pole

All as per item No 57.00 above of capacity of 40Amps,10KA,4pole

Taking down old unserviceable insulation from any surface and supply and fixing nitrile rubber insulation of one layer of 19mm thickness sticking on surface by using approved adhesive and sealing the joints by weather proof tape all as directed by Engineer-in-Charge.

Material and labour for disconnecting Condenser/Chiller unit for descaling & plugging them & providing of 15 mm tee out let for local circulation of mild acid solution in the condenser/ chiller (separate container and small pump set to circulate diluted acid solution to be used) PH value of solution to be circulated & to be kept for checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7 flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & PH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed by Engineer-in-Charge

Material & Labour for Expansion valve of AC plant capacity 89 TR including taking down unserviceable valve complete all as specified and directed by EIC.

Supply & fixing in repairs dry and wet bulb thermometer comprising of Moulded plastic wall mounted case- two thermometers mounted on a silk screened scale - plastic reservoir and cotton wick, supplied with wet and dry bulb tables for determining humidity levels Temperature Range : -8°C to +50°C (20°F to 120°F)

Taking down old unserviceable aluminium rectangular grill of any type and make and supply and fixing new fresh air /return air of aluminium rectangular grills complete with wooden frame work made out of II nd class hard wood, volume control damper including gasket and connected accessories complete all as specified and directed

Suuply and fixing in repairs volume control damper made out of galvanized iron or anodized aluminium with overlapping leafs to avoid any leakage from the damper as per existing at site complete all as specified and directed

Supply and charging Refrigerant Gas R-134A ISI Marked as per requirement.

Material & labour for Strip Heater 2 KW, Rugged, Reliable Premium Quality, 3.8 cm (1 1/2") Strip with 5 cm (2") Wide Fins, Maximum Work Temperatures from 107 to 295°C (225 to 565°F) Available with Rust- Resistant Iron or Chrome-Steel Sheath, complete all as specified and directed.

Material and labour for replacement of Controller Card, suitable for AC Plant of capacity 89 TR complete all as specified and directed by Engr-in-Charge

Material and labour for replacement of Silicon controlled rectifiers (SCR) of suitable capcity for AC Plant of capacity 89 TR complete all as specified and directed by Engr-in-Charge

Material and labour for replacement of Power Capacitor suitable for AC Plant of capacity 89 TR complete all as specified and directed by Engr-in-Charge

Outsourcing for maintenance and operation of central AC plant of capacity 2x89 TR including connected LT control panels, AHUs , pumpsets etc complete of any capacity installed at Command Auditorium (Mulla Auditorium) in two shifts (0600 Hrs to 1400 Hrs and 1400 Hrs to 2200 Hrs) of 08 hours with deployment One Ref/Mech(Skilled) for each shift of 08 hours including daily periodical maintenance like cleaning,greasing and oiling in moving parts etc, cleaning of surrounding area around the installations complete all as specified and directed by Engr-in-charge. Total shifts: 2 Hence (1 person x 2 shifts x 11 months) = 1 x 2 x 11 = 22 shifts Notes :- i) The cost of employment of supervisior and any assitance required to operate and maintain the installations by operating staff shall deemed to be included in above offer. ii) Total 02 Number of Refg/Mech are required to be depolyed to run the installation 16 hours in 2 shifts ( each shift of continuous 8 hours durations). As per industrial act one person should not be continued on duty for more than 06 days and he should be given weekly off day for his personal maintenance and one reliver should be employed for off duty by arrangement of contractor without any extra cost to the Govt.The rate quoted includes Oustourcing for operation & maintenance of installation on all days including Sundays/Gazetted Holidays. iii) The cost of maintenance of documents installations charts and daily records as clarified under relevant particulars specifications shall deemed to be included in the rates quoted for above items. iv) The location of AC plants to be outsourced are lying inside restricted area and therefore the contractor/operating staff shall comply to all security measures/restrictions imposed by the unit from time to time. v) The contractor has to arrange the dry/wet bulb thermometer for recording hourly room temperature.

(vi) The cost of maintenance of documents installations charts and daily records as clarified under relevent particulars,specification shall deemed to be included in the rates quoted for above items. (vii) The quoted rate deemed to be inclusive for provision of reliever duty and leave periods (viii) The operator on duty should have proper uniform in light blue colour shirt and dark blue trouser duly printed name as MES and contractor with all protective arrangement during the duties like shoes etc and required tools for operation and maintenance of installation.The rate quoted deemed to be inclusive of minor servicing like greasing of bearings, replacment of glands/ rubber coupling, belts etc.Periodical cleaning of cooling tower and AHU filters is contractors responsibility. (ix) The installation will be handed over in operating state on the commencement of contract though work order. (x) Antecedents of the Personnel engaged by the contractor to carry out the work shall be verified from police authorities and accordingly security passes shall be issued. (xi) The contractor shall be solely responsible for all personnel deployed for carrying out the above jobs and all transport required for conveyance. The rate quoted deemed to be inclusive of EPF, insurance etc all as per latest norms of labour Commissioner. (xii). The labourers shall be provided with protective devices and shall wear them while working. In case any accident/ injury/ fatal or partial disability happened, the contractor shall be solely responsible for settling all claims/ compensation. Department will have a right to recover any sum indicated/ claimed by Labour Commissioner/ Court directive. (xiii) Contractor will render a certificate/ confirmation every month that minimum wages act is not violated and every employee engaged have been paid their wages only through individual bank account laborers in full and receipts there on obtained. (xiv) In case the absence of operator , the Accepting Officer and the Engineer-in-Charge (GE and AGE E/M) shall impose penalty of Rs 500/- per hour.

(xv) The rates quoted by the contractor shall be deemed to be included provision of all latest labour laws / regulations including all relevant taxes as applicable. (xvi) The bidders are advised not to quote rate less than minimum fair wages as circulated by competent authority. If the quoted amount is less than the estimated cost given at at page no 14 of SCH A NOTES the lowest bidder will have to depost FDR/BGB as elaborated herein after in favour of Accepting Officer within 07 days of opening of financial bid (cover No 2). (xvii) The deposited amount shall be the difference between estimated cost as given at page no 14 of SCH A NOTES and amount quoted by lowest bidder for respective item. FDR/BGB shall be released only after satisfactory completion of work. If the contractor fails to pay minimum wages to employees, the department shall have right to with hold the said amount which will be verified by GE. The decision of Accepting Officer regarding amount to be withheld shall be final and binding. The withheld amount will be utilised by GE for payment to employees if contractor fails to pay minimum wages and balance amount if any shall only be released. If the lowest bidder fails to deposit the amount as stated above within 07 days, the contractor shall be banned for 06 months & his bid shall be rejected. The contractor shall submit 03 Nos of BGBs/FDRs of equal amount as mentioned above. The BGBs/FDRs validity shall be for 04 months, 08 month & 12 months respectively for the purpose of encashment release as the case may be. (xviii) The rates quoted shall be inclusive of suitable reliver whenever necessary as required and directed by the Engineer in charge.

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