REPAIRS/MAINTENANCE OF CENTRAL AC PLANTS, VRV/VRF AC UNITS AND CONNECTED SPLIT/CASSETTE TYPE UNITS SUMMER APPLIANCES AT NEWLY TAKEN OVER BUILDINGS QRSAM, IWS,ATCLS,SEMINAR HALL, LARC, DOCMP, RCMA,PCDA UNDER GE(I) RND KANCHANBAGH, HYDERABAD

Amount

Maintenance /servicing of VRF/ VRV system Type Air conditioners with connected AHU/ indoor units by deploying Original Equipment Manufacturer (OEM) trained & experienced Engineer/Technical staff for the following equipment located at various buildings of IWS BUILDING Area including electrical connections to inspect the operation of VRF/VRV type Air conditioners with connected AHU/ indoor units and carring out preventive maintenance as per standard practice or as per OEM recommendations, carrying out repair to defective components/ equipment, detection of leaks & rectifying the same, charging/topping up of refrigerant gas complete all as specified and directed. NOTE: Compressors, PCBs, Sensors, Rewinding of Motors, Refrigerant gas etc., will be measured & paid separately under relevant items of this BOQ.

Maintenance/ servicing of VRF/ VRV system Type Air conditioners with connected AHU/ indoor units by deploying Original Equipment Manufacturer (OEM) trained & experienced Engineer/Technical staff for the following equipment located at various buildings of DOCMP BUILDING Area including electrical connections to inspect the operation of VRF/VRV type Air conditioners with connected AHU/ indoor units and carring out preventive maintenance as per standard practice or as per OEM recommendations, carrying out repair to defective components/ equipment, detection of leaks & rectifying the same, charging/topping up of refrigerant gas complete all as specified and directed. NOTE: Compressors, PCBs, Sensors, Rewinding of Motors, Refrigerant gas etc., will be measured & paid separately under relevant items of this BOQ.

Comprehensive maintenance of VRF/ VRV system Type Air conditioners with connected AHU/ indoor units by deploying Original Equipment Manufacturer (OEM) trained & experienced Engineer/Technical staff for the following equipment located at various buildings of SSQAG BUILDING Area including electrical connections to inspect the operation of VRF/VRV type Air conditioners with connected AHU/ indoor units and carring out preventive maintenance as per standard practice or as per OEM recommendations, carrying out repair to defective components/ equipment, detection of leaks & rectifying the same, charging/topping up of refrigerant gas complete all as specified and directed. NOTE: Compressors, PCBs, Sensors, Rewinding of Motors, Refrigerant gas etc., will be measured & paid separately under relevant items of this BOQ.

Maintenance/Servicing of VRF/ VRV system Type Air conditioners with connected AHU/ indoor units by deploying Original Equipment Manufacturer (OEM) trained & experienced Engineer/Technical staff for the following equipment located at various buildings of LARC BUILDING Area including electrical connections to inspect the operation of VRF/VRV type Air conditioners with connected AHU/ indoor units and carring out preventive maintenance as per standard practice or as per OEM recommendations, carrying out repair to defective components/ equipment, detection of leaks & rectifying the same, charging/topping up of refrigerant gas complete all as specified and directed. NOTE: Compressors, PCBs, Sensors, Rewinding of Motors, Refrigerant gas etc., will be measured & paid separately under relevant items of this BOQ.

SUPPLY ONLY Compressor for 11.5 TR capacity specification should be as per exsisting units. Make: EMERSON/ DANFOSS

SUPPLY ONLY Digital Compressor for 5 TR capacity specification should be as per exsisting units. Make: EMERSON/ DANFOSS

SUPPLY ONLY Digital Compressor for 7.5 TR specification should be as per exsisting capacity units. Make: EMERSON/ DANFOSS

M&L for taking down unserviceable hermetically sealed compressor after disconnecting the suction/delivery lines and Supply & fixing hermetically sealed compressor of following capacities as per existing make, model & specification, including pressure testing, vacumising and charging of refrigerant, testing and commissioning all as directed. Make : Copeland/Danfoss/kirloskar/Blue star/Voltas (As per site requirement)

All as per item No 8 but Capacity 2 TR

All as per item No 8 but Capacity 3 TR

All as per item No 8 but Capacity 1.5TR Note: Refrigerant will be measured and paid separately

Supply only Refrigeration Gas 410-A

Supply only PC Board for out door unit 22 TR for VRF unit.

Supply only PC board for unit 11.5TR for VRF Unit.

Supply only Temparature sensor for unit 22 TR for VRFunit.

Supply only FAN motor for unit 12.5 HP for VRF for unit.

Supply only solonoid valve for outdoor unit

Supply only VRF AHU of 25000 cfm unit ahu exapnsion KIT

Supply only VRF indoor unit Temparature sensor suitable for AHU

Supply only 4 pole contactor, 63 Amps

Supply only 4 pole contactor, 32 Amps

M&L for servicing of both indoor and out door units with coil cleaning chemical for cassatte ACs including checking of all elelctrical connectionsall as directed for the following capacity

1 x 2 TR Capacity Cassete Hi-wall split AC out door unit Make as per site.

1 x 3 TR Capacity Cassete Hi-wall split AC indoor unit Make as per site.

2 x 4 TR Capacity Cassete Hi-wall split AC Indoor unit Make as per site.

4 x 5.5 TR Capacity Package type AC plant

5 x 8.5 TR Capacity Ductable type AC

M&L for leak testing of the total refrigerant system of Package VRF type AC plants by pumping down the refrigerant to cylinder, flushing out the entire system arrest all leakages by replacing the damaged flare nuts, taflon washers, brazing, gaskets, o rings etc and leak test by supply and charging with Nitrogen gas ( N-2) under constant pressure of 250 - 300 PSI , watching the pressure for 24 Hrs for confirmation, flushing out the system vacumising and charge the required qty of refrigerant and lubricant testing and commissioning the system all as directed for the following capacity of plants (Note: Refrigerant & compressor oil shall be measured and paid separately under respective items)

1 x 2 TR Capacity Cassete Hi-wall split AC out door unit Make as per site.

1 x 3 TR Capacity Cassete Hi-wall split AC out door unit Make as per site.

2 x 4 TR Capacity Cassete Hi-wall split AC out door unit Make as per site

4 x 5.5 TR Capacity Package type AC plant

5 x 8.5 TR Capacity Ductable type AC

Taking down unserviceable liquid line filter drier and S&F liquid line filter drier as per existing make & specification and suitable size to fixing with existing refrigerant line for 10 HP to 20 HP capacity compressor of AC Plant, all as specified and directed by the Engr-in-charge

Removing the worn-out unserviceable blower motor following capcity of AC Plant from the position after disconnecting the electrical connections and transporting to the work shop and opening the end covers, removing the unserviceable winding, clean the slots with CTC, rewind the motor by super enameled copper winding wire of suitable gauge and size with insulating paper, insulating varnish and drying for obtaining requisite insulation valves complete with necessary PVC sleeves, lead wire, new terminal block complete and bring back and install in position including testing and commissioning all as directed

All as per item No 32, 10 HP capacity

All as per item No 32, 20 HP capacity

S&F in replacement microprocessor based control panel alongwith single phase controllers, contactors and LED display as per existing same model & specification, controlling for condensing unit, compressor unit & blower of following units, all as specified and directed by the Engr-in-charge. Make:- Voltas/Bluestar/LG/Daikin

All as per item no 34 , 1 x 2 TR Capacity Cassete Hi-wall split AC out door unit.

All as per item no 34 , 1 x 3 TR Capacity Cassete Hi-wall split AC out door unit.

All as per item no 34 , 2 x 4 TR Capacity Cassete Hi-wall split AC out door unit.

All as per item no 34 , 4 x 5.5 TR Capacity Package type AC plant

All as per item no 34 , 5 x 8.5 TR Capacity Ductable type AC

Removing the chocked unserviceable copper refrigerant tubing and S&F copper refrigerant tubing for the following sizes (outer dia) including suitable joints / branch connectors and distributers with flare nuts/brazing for indoor & outdoor units as required at site complete all as specified and as directed.

(a) 6.4 mm to12.7 mm

(b) 15.9 mm to 22.2 mm

M&L for rigid PVC conduit (medium grade) size 20 to 32 mm dia for water drain out line for Package type AC plant, laid on walls, ceiling, in floors with clamping/ fixing mtrls complete all as specified and directed.

All as per item No.43 above but size 40 mm dia.

Supply and top up Compressor oil synthatic oil of suitable grade in the refrigeration compressor to the requisite level complete all as directed Make: Freezol/servo freeze

Supply and filling/topping up/ charging of Refrigerent gas R-22 complete all as directed.

Supply and filling/topping up/ charging of Refrigerent gas R-407 complete all as directed.

Supply and filling/topping up/ charging of Refrigerent gas R-32 complete all as directed.

S&F Contactor rated current AC 3Ph, 9 Amps, coil voltage 230 V AC, 50Hz, capacity as per existing specification

S&F Contactor rated current AC 3Ph, 25 Amps, coil voltage 415 volts AC, 50Hz, capacity as per existing specification

S&F Contactor rated current AC 3Ph, 40 Amps, coil voltage 415 volts AC, 50Hz, capacity as per existing specification

S&F Contactor rated current AC 3Ph, 63 Amps, coil voltage 415 volts AC, 50Hz, capacity as per existing specification

S&F Relay switch of range 4 to 6.5 Amps

S&F Relay switch of range 6 to 14 Amps

S&F Relay switch of range 14 to 21 Amps

S&F Relay switch of range 40 to 63 Amps

S&F LED Indicator lamps of colors R / Y / B

S&F HRC fuse 2.5 to 10 Amps

S&F HRC fuse 16 to 32 Amps

S&F MCCB 100 Amps 25 KA Make Havells/Standard Model No SKB-7

S&F in replacement Outdoor Sensors suitable for Hi-Wall split Type AC for 2 TR to 4 TR same as per at site

Repair / maintenance of split/Window type AC, water cooler and desert cooler in its position, testing all the compenents / parts, wiring etc, identifying the defective parts & reporting the JE E/M or supervisor for immediate replacement including refixing the appliances after necessary repairs , job includes replacing of any minor spares like wires, bolts, nuts pads and checking all the like air flow, temperature, smooth functioning of applicnaces & sealing the pipes hole, checking the drain pipe complete all as directed by Engr-in-charge. Note: (i) The rate against the above mentioned item is deemed for cost of labour only. (ii) Cost of spares like replaced against above mentioned item will be measured & paid for separately under respective items of Sch 'A' here-in-below. (iii) The contractor supervisor will report to concerned JE E/M at 0900hrs daily to collect the list of defects and will submit the completion report on following day before 0900hrs to the JE E/M.

(iv) The contractor has to rectify the defects and make the AC of any type /water cooler/ desert cooler functional within 24 hours from the time the list of defective spares of AC of any type /water cooler/ desert cooler is handed over to him / his rep by the concerned JE E/M. In case the AC of any type /water cooler/ desert cooler is not made functional for whatsoever reason within the specified time limit, an amount of Rs 500/- per such complete pending complaint per day will be recovered from the amount due to him through RAR / Final Bill. The contractor shall engage separate team of technicians / repairer for IWS,Quality centre,ASL, DOCMP. (v) The contractor shall maintain proper record of repair / maint in a binded register duly bringing out the details of spares replaced on each and every AC of any type /water cooler/ desert cooler and get it authenticated from concerned JE E/M on daily basis. The contractor shall put up the maint record register to Engineer-in-charge for inspection every Monday or as and when asked for.

(vi) The contractor shall maintain sufficient stock of spares / material required for repair / maint of AC of any type /water cooler/ desert cooler with the concerned JE E/M against Sch 'A' items. (vii) The contractor should submit the copy of qulaification,Experience as AC mech of any type of summer appliances and police verification certificates while sigining the site orders. (viii) The contractor is fully responsible for providing the safety standards to be maintained by the electricians while attending the AC of any type /water cooler/ desert cooler/electrical defects. (ix) The AC Mech and helpers should be properly dressed and should wear shoes, gloves and face mask while on duty, necessary hand sanitizer should be provided.

Servicing of Split type Air conditioner of 1.5 TR capacity by disconnecting all the electrical connections, servicing and cleaning the indoor unit & outdoor unit using power jet spray only (external) with suitable foam type cleaning agent duly securing the indoor unit with waste water collecting bag to avoid the spread of water in the working area and out door unit complete to the entire satisfaction of Engr-in-Charge. Note : (i) Servicing should be done using power jet water spray only. Normal servicing will not be considered as completion of Job. (ii) Power jet water spray machine should be provided by contractor. (iii) All included deemed in the quoted rate considered as complete 01 Job.

All as per srl item No. 63.00 here-in-before but of capacity 2.00 TR.

Supply and Fix corrugated PVC flexible drain pipe for split type AC as per size of 3mtr including fixing the pipe on wall bends, saddles etc including removing the unserviceable drain pipe complete all as directed.

S&F swing motor suitable for 1.5/2.0 TR capacity split type air conditioners and testing including removing the unserviceable swing motors complete all as directed.

S&F in repair voltage stabilizer 4 KVA single phase, 230 V, 50 Hz, capacity wall mounting type suitable for 1.5 TR air conditioners with low/ high voltage cut off and intelligent time delay 3 minute +/- 20 seconds of working voltage range input and output voltage 230V, +/- 2%, (170 V - 270 V) complete all as directed.

Supply and Fix in repairs condenser fan motor copper wound suitable for 1.5/2.0 TR capacity split AC of model as per existing make & model and reconnecting the same with all electrical connections and testing including removing the unserviceable condenser fan motor complete all as directed.

All as per srl item No. 68 here-in-before but for Water cooler of capacity 40/80

Supply and Fix starting capacitor 80 to 100 Mfd for compressor and reconnecting the same with electrical connections for the Split type AC of capacity 1.5/2.0 TR including testing and removing unserviceable starting capacitor complete all as directed.

S&F in repairs cooling coil with 100% copper tubing and aluminium fins, anti corrosion coated suitable for 1.5/2TR capacity window type AC/Split type AC of refrigerant (R-22/410/32) compatble complete all as directed. Note : Supply & filling up of refrigerant gas shall be measured and paid separtely under respective item of this schedule.

M&L for preparation of Base frame of any size/shape with angle iron frame of size as required at site and applying one coat of red oxide primer and two coats of black color anti-corrosive paint complete all as specified and directed.

M&L for core cutting on any type of wall of size as per site requirement including removing of all the debris at site complete all as directed.

M&L for servicing the water coolers of any capacity by disconnecting all the electric connections, cleaning the components i.e. condenser coil and including inner tank with cleaning agent for removing dirt/scales/rust over the tubes and water spraying clean water twice refixing back in its original position and reconnecting with the electrical/water connections complete all as directed.

Flushing out the complete refrigerant system and supply and charging the refrigerant including cutting,brazing, leak detection and rectification in the entire system and testing the water cooler of capacity 40/80 ltrs complete all as directed:

Leak testing the complete with dry nitrogen, including, cutting, brazing and testing the refrigerant flow system for detecting the leaks and damages with suitable pressuriesed dry nitrogen and brazing to arrest the leaks in any type of air conditioners including testing the system after rectification, etc for the split/window/package type air conditioners of 1.5/2 TR capacity complete all as directed. Note : Refeigerant charging will be measured & Paid Separetly.

BHATNAGAR ASSOCIATES (BID ID -3311205)

omsai thermax engineers (BID ID -3311640)

M/S GDR CONSTRUCTIONS (BID ID -3312659)

S.S.ENGINEERING CORPORATION (BID ID -3311115)

SUN LIGHT HOUSE (BID ID -3311787)

CHITRA ENGINEERING CORPORATION (BID ID -3311448)

SRI SAI ENTERPRISES (BID ID -3311736)