PERIODICAL SERVICING, REPAIR AND MAINTENANCE OF SPLIT AIR CONDITIONERS INCLUDING ALLIED WORKS AT NAVAL DOCKYARD VISAKHAPATNAM

Amount

M&L for servicing/maintenance of split type air conditioner of 1.5 Ton / 2.0 Ton capacity in situ at any hight of building, cleaning of complete outdoor unit and indoor unit, air blower units, air filter, grills with required chemical solution and using forced air blower or vaccuum cleaner, complete checking serviceability of electrical circuit of outdoor and indoor unit, electronic circuit, airblower unit, condenser, remote control unit, including replacement of unserviceable spares such as relays, capacitors, fan blade, PVC mesh filter, wiring kit, screws, nuts, bolts & washers, remote control unit and testing after completion to entire satisfaction of Engr-in-Charge as well as user unit. [Note :- (i) Replacement of spares such as all type capacitors shall be measured and paid for separately. (ii) Replacement of capacitors for compressor & fan motors, and replacement of indoor unit fan motor, indoor unit fan blower, condenser fan motor, fan blade, compressor will be measured and paid separately (iii) Contractor has to arrange equipment such as manuplator/ trolly / ladder / tools and all safety precautions to his workmen for carrying out the work and the unit rate quoted shall be deemed to included. (iv) Gas shall be measured and paid separately as supply only].

Material and labour for shifting split type AC upto 2.0 tonne capacity from one location to another within Dockyard area and fixing including making necessary opening for suction and discharge and drain pipe line, brazing copper pipes after grouting of outdoor/indoor unit and making necessary electrical connection, testing and commissioning all as specified and directed.

Taking out unserviceable refrigerant pipe insulation of Air Conditioners and Supply & fix suitable new Refrigerant pipe insulation 1/4 " complete all as specified and directed.

All as per item No. 3.00 above but Refrigerant pipe insulation 3/ 8"

All as per item No. 3.00 above but Refrigerant pipe insulation 1/2 "

All as per item No. 3.00 above but Refrigerant pipe insulation 5/8 "

Taking out unserviceable refrigerant pipe alongwith insulation from Air Conditioners and supply & fix suitable new refrigerant Copper pipe of size 1/4 " including brazing & pressure testing complete all as specified and directed.

All as per item No. 4.00 above but Copper pipe of size 3/8 "

All as per item No. 4.00 above but Copper pipe of size 1/2 "

All as per item No. 4.00 above but Copper pipe of size 5/8 "

Supply only Capacitor 1.5/2.5/4 mfd for Split air conditioner for 1.5 /2.0 Ton capacity suitable for Make - Blue Star, LG, Hitachi, Voltas & Samsung, Shriram Usha, Feeder Lloyed & Carrier as per site requirement and complete all as specified and directed.

All as per item No. 5.00 above but Capacitor 6 mfd

All as per item No. 5.00 above but Capacitor 36 to 50 mfd

All as per item No. 5.00 above but Conderser fan blade as per existing make

All as per item No. 5.00 above but Remote control unit as per original make complete with 2 Nos Duracell battery

All as per item No. 5.00 above but Air Filter suitable for indoor unit of split AC 1.5 Ton / 2.0 Ton capacity of existing make & model

Supply and fix outdoor unit of split type AC of 1.5/2.0 ton capacity in situ as per existing make and compitable model without compressor but including blower motor, fan connecting, necessary copper tubings by brazing / gas welding, gas charging with R-22 after dismentling / taking out existing unserviceable condenser unit and testing after completion to entire satisfaction of Engr-in-Charge and user unit. [Note: (i) Gas charging and Compressor unit shall be measured and paid separately under appropriate item of this schedule.]

Supply and fix indoor unit of split type AC of 1.5 /2.0 ton capacity complete with cooling unit, PCB, Blower unit with motor, swing motor, remote unit in situ as per existing make and compitable model complete, connecting necessary electrically and copper tubings by gas welding, gas charging with R-22, after dismentling/taking out existing unserviceable indoor unit suitable for AC make-Blue Star, LG, Hitachi, Voltas, Carrier & Samsung whichever applicable and testing after completion to entire satisfaction of Engr-in-Charge and user unit . [Note: (i) Gas charging shall be measured and paid separately under appropriate item of this schedule].

Supply & fix blower motor, 230 volts with required nuts, bolts & washers, connecting necessary wires, fixing of fan complete after dismentling/taking out existing unserviceable/burnt blower motor unit from the outdoor unit of split type airconditioner 1.5/2.0 ton capacity in situ suitable for Split AC make-Blue Star, LG, Hitachi, Carrier, Voltas & Samsung whichever applicable and testing after completion to entire satisfaction of Engr-in-Charge and user unit.

Supply and fix louvers swing motor suitable for indoor unit of split type AC of 1.5/2.0 ton capacity in situ as per existing make and compitable model, necessary electrical connection after dismentling/taking out existing unserviceable unit suitable for AC make-Blue Star, LG, Hitachi, Carrier, Voltas & Samsung whichever applicable and testing after completion to entire satisfaction of Engr-in-Charge.

S & F condenser coil for out door unit coil made out of 25 G copper rubbing for split AC 1.5 / 2.0 Ton capacity with cabin, mounting, copper nuts and bolt including leak testing, gas charging, brazing including taking out unsv condenser coil as required all as specified and directed by Engr-in-Charge [Note : Cost of gas shall be measured and paid separately as supply only].

Supply & fix new company sealed rotary/reciprocating compressor unit suitable for split type AC with required nuts, bolts & washers, connecting necessary copper tubings by gas welding, gas charging with R-22, replacement of necessary capilary tube and drier filter after dismentling/taking out existing unserviceable/burnt compressor unit from the split type airconditioner 1.5/2.0 ton capacity in situ and and testing after completion to entire satisfaction of Engr-in-Charge suitable for AC make-Blue Star, LG, Hitachi, Voltas, carrier & Samsung whichever applicable. [Note: (i) Compressor unit shall be 1st quality with compitable model and make of compressor shall be as recommended by the manufacturer of AC. (ii) Gas charging shall be measured and paid separately under appropriate item of this schedule].

Material and labour for Repairs to defective PCB of 1.5 / 2.0 Tonne capacity split type Air conditioner including replacement of necessary electronic spares like IC, diod, resisters, transformer etc., all as specified and directed.

Taking down old unserviceable printed circuit board (PCB) and S & F new PCB of existing make and model in 1.5 / 2.0 Ton split AC and connecting up complete all as specified and directed.

Taking out power contactor from split type ACs and supply & fix new power contactor single phase, 220 volts all as specified and directed. [Make: Siemens / L &T / ABB / HPL]

M&L for refrigerant gas charging for split type AC with R-22 gas after proper cleaning of pipe lines with carbon tetra chloride and flushing with Nitrogen, complete leakage test, including replacement of liquide line filter, capillary tube, required soldering/brazing/gas welding to attaining proper cooling level to entire satisfaction of Engr-in-Charge and User unit for 1.5 Tr / 2.0 Tr Split AC Unit. [Note: (i) Gas charging shall be measured and paid separately under appropriate item of this schedule].

M&L for dismantling unserviceable voltage stabilizer for repair including replacement of relays, electronic voltage sensor, circuit and meter, micro switch, indicating light, RC filter, and other connected items for making functional and rewinding of transformer unit with suitable size of super enamelled coper wire, heating, vernishing and testing after repair complete for capacity upto 5 KVA and any make.

Supply and fix AC stand as per existing AC Model and mounting the out door unit of the split AC complete all as specified and directed.

Supply and fix MS angle iron, flats, cut to required length, making necessary shape, screw holes fixing with necessary electric welding, painting one coat of red oxide and two coats of synthetic enamel paint to all sides of steel members including dismantling and taking down the unsv one complete all as specified and directed.

Supply only R 22 refrigerant gas all as specified and directed. [Make : Mafron-22 /Floron-22]

Srinivash Engineers

ANAND ENTERPRISES AND ENGINEERS

SATYAM ENGINEERS

M/S CHANDRA ENGINEERS AND CONTRACTORS

REAL ENGINEERING WORKS

GS ENGINEERS

SRI SIDDHI VINAYAKA ENTERPRISES

SRIESWARI ENTERPRISES

M/s.DSRK CONSTRUCTIONS

Chitturi Associates

Sri Jaya Surya Techs