SERVICING, MAINTENANCE AND REPAIR OF WINDOW TYPE AIR CONDITIONERS AND ALLIED WORKS AT NAVAL DOCKYARD, VISAKHAPATNAM

Amount

M&L for servicing/maintenance of window type air conditioner 1.5 / 2.0 Ton capacity in situ by cleaning of complete cooling coil, condenser 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 unit, airblower unit, condenser, cooling coil, thermostat, copper tubings, including replacement of unserviceable spares such as relays, capacitors, thermostat, wiring kit, screws, nuts, bolts & washers, and testing after completion to entire satisfaction of Engr-in-Charge as well as users. [Note: (i) Spares require for replacement for minor repair as mentioned shall be measured and paid as supply only under appropriate item of this schedule and labour charges shall deemed to be included in the quoted rate of this item. (ii) Screws, nuts, bolts & washers shall be inclusive of quoted rate and no extra measurement shall be made. (iii) Items require for major repair shall be measured and paid as M&L under appropriate item of this schedule and rate shall be exclusive of quoted rate of this item. [Make of AC - Blue Star, Voltas, Feeder Lloyed, Shriram Usha & Carrier (iv) Contrator shall provide Jenny/Manuplator and rate shall deemed to be included in the quoted rate of this item].

Supply only following company recommended spares for Window Air Conditioner of 1.5 / 2.0 Ton capacity suitable for AC Make - Blue Star, LG, Hitachi, Voltas & Samsung, Shriram Usha, Feeder Lloyed & Carrier whichever applicable all as specified and directed.

Capacitor 36 to 50 mfd

Capacitor 6 mfd

Capacitor 1.5 / 2.5 / 4.0 mfd

Conderser/evaporator fan blade as per existing make

Remote control unit as per original make complete with 2 Nos Duracell battery

Thermostat switch complete

PVC mesh filters suitable as per existing size.

Supply & fix new company sealed rotary/reciprocating compressor unit suitable for Window 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 dismantling/taking out existing unserviceable/burnt compressor unit from the Window type Air Conditioner 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].

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

M&L for rewinding of blower motor, 230 V of 1.5 / 2.0 TR window AC, after dismantling from the AC unit, transportation to civil wksp outside ND (V) and return after repair, reinstall, testing complete all as specified and directed.

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

Supply and fix condenser coil unit of window type AC of 1.5 / 2.0 ton capacity in situ as per existing make and competable model, connecting necessary copper tubings by gas welding, gas charging with R-22 after dismantling / taking out existing unserviceable condenser unit suitable for AC Make-Blue Star, Voltas, Feeder Lloyed, LG & Carrier whichever applicable and testing after completion to entire satisfaction of Engr-in-Charge. [Note: Gas charging shall be measured and paid separately under appropriate item of this schedule].

Supply and fix cooling coil unit of window type AC of 1.5 / 2.0 ton capacity in situ as per existing make and competable model, connecting necessary copper tubings by gas welding, gas charging with R-22 after dismentling/taking out existing unserviceable coling coil unit suitable for AC Make-Blue Star, Voltas, Feeder Lloyed, LG & Carrier whichever applicable and testing after completion to entire satisfaction of Engr-in-Charge. [Note: 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 Window Air conditioner, transporting to civil wksp outside ND(V) and return after repair, replacement of necessary electronic spares like IC, diod, resisters, transformer etc., all as specified and directed.

S & F new PCB of existing make and model of 1.5 / 2.0 Ton capacity Window AC and connecting up complete incuding taking down old unserviceable one and all as specified and directed.

M&L for refrigerant gas charging for Window AC with R-22 gas for 1.5 Tr / 2.0 Tr capacity Window AC unit 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 attaing proper cooling level to entire satisfaction of Engr-in-Charge and as directed. [Note - Gas charging shall be measured and paid separately under appropriate item of this schedule].

Supply & Top up of R 22 refrigerant gas complete all as specified and directed. [Make : Mafron-22 /Floron-22]

Supply and fix AC stand as per existing window AC Model including dismantling taking down unserviceable one all as specified and directed.

Supply and fix base plate made with 2 mm thick CRCA sheet bend to shape, drilling holes for mounting accessories as per existing window AC Model, painting with one coat of red oxide and two coats of synthetic enamel paint at both side including dismantling taking down unserviceable one all as specified and directed.

Supply and fixing sweating water tray as per existing one includuing dismantling taking down unserviceable one all as specified and directed.

Supply and fixing PVC flexible hose pipe 15 mm dia with suitable saddles, screws incl dismantling taking down unserviceable PVC pipes as per existing heigh all as specified and directed.

M&L for dismantling unserviceable voltage stabilizer of 4 & 5 KVA of any make/model for repair and transporting to civil wksp to outside ND (V), 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 copper wire, heating, vernishing and return after repair, reinstall, testing complete all as specified and directed.

Srinivash Engineers

SRI SIDDHI VINAYAKA ENTERPRISES

SATYAM ENGINEERS

POWERMECH INDUSTRIAL ENTERPRISES

vijetha enterprises

P VENKATA RAO

GS ENGINEERS

ANAND ENTERPRISES AND ENGINEERS

M/S CHANDRA ENGINEERS AND CONTRACTORS