REPAIRS AND PERIODICAL MAINTENANCE OF VARIOUS TYPES OF AIR CONDITIONERS, COOLING APPLIANCES AND DESERT COOLERS AT AFA HYDERABAD

Amount

Overhauling and servicing of split type AC of capacity 1.5/2.0 TR of any make at different locations at AFA, testing the unit complete with the following tasks:- (a) Overhauling & servicing (b) Inspection opening washing the condensor coil and cooling coil with chemical followed with pressurized water jet complete (c) Inspection and treatment of leakage of refrigerant in the system. (d) Checking of operation of blower motor, condesnor motor and swing motor for noise free operations (e) Oiling of condensor / blower motors and checking the earth continuity (f) Inspection of all electrical parts / connections and rectification of any small defect (g) Checking of functional of electronic remote control unit to ensure satisfactory functioning of unit complete all as specified and as directed (h) Inspection and treatment of leakage water from indoor unit

All as per item 1.00 but for Window type AC of capacity 1.5 / 2.0 TR Note:- During servicing of unit, if any spares / parts are required to be replaced it shall be measured and paid separately under respective items mentioned here- in - after.

S&F in replacement blower motor for Indoor unit, of same specification/make as per existing one, suitable for split AC 1.5TR capacity complete including taking out of old unserviceable one all as directed.

All as per Item No 3 but of 2.0 TR capacity complete

S&F in replacement blower fan for indoor unit, of same specification/make as per existing one suitable for split AC 2.0/1.5 TR capacity complete including taking out of old unserviceable one all as directed.

S&F in replacement condensor fan motor with blade for outdoor unit, of same specification/make as per existing one, suitable for split AC 1.5TR capacity complete including taking out of old unserviceable one all as directed.

All as per Item No 6 but of 2.0 TR capacity complete

S&F in replacement hermitically sealed compressor for split type AC of capacity 1.5TR as per existing including brazing work, laying of extra copper tubing, pressure testing, dehydration,gas charging upto required level and testing on full load for satisfactory functioning complete all as specified and directed by Engineer-in-charge Make : Copeland/Danfoss/kirloskar/LG/Carrier/Blue star/Voltas/Hitachi (As per site requirement)

All as per item no. 8 above but for split type AC of capacity 2.0 TR

M&L for rewinding of condensor fan motor of split type AC of cap 1.5/2.0 TR including replacement of gun metal bushes, testing for noise free operation and refixing at its existing location complete all as specified and as directed by Engineer-in-charge

S&F in replacement to indoor unit for split type AC complete with motor, blower, remote control, filters having cooling capacity 4500 K.Cal/Hr of any make as per existing complete all as specified and as directed by Engineer-in-charge

All as per item no. 11 above but capacity 6000 K.Cal / Hr

S&F in replacement to sheet steel body of the outdoor unit for split type AC complete of capacity 4500 K.Cal / Hr with condenser ,service valves, liquid line filter and capilary tube set without compressor of any make as per existing complete all as specified and as directed by Engineer-in-charge

All as per item no. 13 above but capacity 6000 K.Cal / Hr

S&F in replacement condenser unit for outdoor unit of split type AC of capacity 1.5TR as per existing specification/make including brazing work, laying of extra copper tubing, leakage testing and testing on full load for satisfactory functioning complete all as specified and directed by Engineer-in-charge

All as per item no. 15 above but capacity 2.0 TR all as specified and directed by Engineer-in-charge

S&F in replacement Oscilation motor with swing blade strip suitable for indoor unit of 1.5 TR/2 TR capacity Split AC of same specification/make as per existing one complete including taking out the old unserviceable one all as directed

M&L for repair to unserviceable with cord/cordless PCB remote control unit of for indoor unit of split type AC of cap 1.5 TR/2.0 TR including replacement of unserviceable spare parts and refixing, connection of electrical control circuit, testing for satisfactory functioning complete all as specified and directed

M&L for repair to unserviceable with cord/cordless PCB remote control unit of for outdoor unit of split type AC of cap 1.5 TR/2.0 TR including replacement of unserviceable spare parts and refixing, connection of electrical control circuit, testing for satisfactory functioning complete all as specified and directed

S&F in replacement hand set remote for Split type AC of cap 1.5 TR/2.0 TR, with features of digital display,all controls including battery all of any make as per existing specification and model complete all as specified and directed

All as per Item No 23 but capacity 5 KVA all as specified and directed by Engineer-in-charge

S&F in replacement copper tubing flexible of dia 5/8" including heavy duty nitrile rubber insulation complete all as specified and directed by Engineer-in-charge

All as per item 26 but of dia 3/8" all as specified and directed by Engineer-in-charge

All as per item 26 but of dia 1/2" all as specified and directed by Engineer-in-charge

All as per item 26 but of dia 1/4" all as specified and directed by Engineer-in-charge

M&L for insulation only to copper tubing of split type AC of cap 1.5 TR/2.0 TR with heavy duty rubber foam insulation as per existing density and thermal conductivity including packing material, reflactor tape and pvc tie complete all as specified and directed.

S&F in replacement of flexible type water drain out pipe suitable for indoor unit of split AC as per existing type/model complete all as specified and directed.

M&L for Dismantling,shifting and refixing of split type AC of any make & model from one location to another location at AFA and refixing the AC with gutties/fasteners, core cutting in brick wall/concrete incl arrangement of required T&P, laying of extra insulated copper tubing, positioning of condensing unit and brazing work, leak check, dehydration and topping up of refrigerant gas upto recommended level, connection of drain pipe, making good the disturbed surface including making good the PCC and brick work and testing the unit for satisfactory functioning complete all as specified and directed. Note :- Refrigerant, if required to be charged, shall be measured and paid separately under relevant item mentioned here-in-under.

Supply and topping up/charging of refrigerent gas (R-22) for ACs as per standard practice all as specified and directed.

Supply and topping up/charging of refrigerent gas (R-410) for ACs as per standard practice all as specified and directed.

Supply and topping up/charging of refrigerent gas (R-32) for ACs / Water Coolers as per standard practice all as specified and directed.

Supply and topping up/charging of refrigerent gas (R-134A) for Refrigerators as per standard practice all as specified and directed.

M&L for pressure testing of the split /window air conditioner of any capacity complete with filling of nitrogen gas after flushing out the system free from any oil / grease etc. cheking for leakages if any in the refrigerent system making good the leaking parts with necessary brazing/welding, ensuring leak proof system and charging of refrigerent gas and testing for satifactory performance complete all as specified and as directed

Supply and fix single pole and neutral enclosure with a two pin and earth plug and socket complete with one double pole MCB 20 Amps capacity complete all as specified and as directed.

Supply and fix single phase modular type motor starter 32 A, 240 Volts, 50 Hz for split AC including cover plate and PVC surface box of suitable size complete all as specified and as directed.

M&L for Sub Main wiring with 2x6 Sqmm 1100 V grade (nominal area) single core PVC insulated unsheathed cable multi-stranded copper conductor drawn through and including medium grade, rigid non-metallic PVC conduit of size 25mm or higher suitable size with all necessary fittings, concealed in walls/roof/floor duly earthed with 1X6 Sqmm of single core cable but green in colour as continuous earthing wire and connecting to common earth dully complete including taking down old submain wiring all as specified and directed by Engineer-in-Charge.

Note:-(i) Necessary PVC dummy plates & rigid PVC junction boxes for maint./inspection purpose as required on site/directed by Engr-in-charge shall deemed to be included in the quoted rate.

(ii) Same size wire shall be used for phase, neutral & earth conductor

(iii) The wiring shall be done strictly by following proper colour coding using red, yellow and blue only for phase, black for neutral and green for earth leads.

(iv) Three runs of cable and one run of PVC Conduit / PVC casing Caping will be measured as one length/Unit

S&F in walls/roofs PVC Pipe 20 mm heavy duty for Condensing water line including making provision for fixing.Complete all as specified and directed.

S&F in walls/roofs PVC Pipe 40 mm heavy duty for Condensing water line including fittings and making provision for fixing.Complete all as specified and directed.

S&F in replacement the following spare parts for Air Conditioners of any make & model all as specified and directed

(a) Connector open type 30Amps, 3/4 way for outdoor unit

(b) Starting capacitor 80 -100 mfd heavy duty 230v, AC supply

(c) Starting capacitor 120 -150 mfd heavy duty 230v, AC supply

(d) Running capacitor 2.5 to 6 mfd heavy duty 230v, AC supply

(e) Running capacitor 36 mfd heavy duty 230v, AC supply

(f) Running capacitor 45 mfd heavy duty 230v, AC supply

(g) Running capacitor 52 + 4 mfd heavy duty 230v, AC supply

(h) Running capacitor 55 mfd heavy duty 230v, AC supply

(j) Metal clad 3 pin plug top 20 amps 230 Volt, Single Phase

(k) Metal clad 3 pin socket 20 amps 230 Volt, Single Phase

(l) MCB 240V, 10 KA 'C' curve of single poles and current carrying capacity 5 to 32 AMP

(m)Brass flair nuts 1/2 to1/4"

(n)Brass flair nuts 3/8 to 5/8"

(o) PVC insulated 3 core round flexible copper cable 1100 v grade of size 2.5 sq mm

(p) PVC insulated 4 core round flexible copper cable 1100 v grade of size 2.5 sq mm

WATER COOLER

M&L for servicing of Water Cooler, of capacity 40/80 Ltr, unit by cleaning with air pressure, tightening of nut bolts, arresting all leakages, and cleaning of condensor, water line etc, checking of serviceablity of fan motor, compressor, relay, capacitors, thermostat control circuits, remote and sensor etc including electrical circuits and submitting the report excluding spares, compressor and Refrigerent capacity complete all as directed.

All as per Item No 59 here in above but for capacity 60/120 Ltrs all as specified and directed by Engineer-in-Charge.

All as per Item No 59 here in above but for capacity 150/160 Ltrs all as specified and directed by Engineer-in-Charge.

Note for item No. 59 to61 :- Spares, Refrigerent, leak testing by charging nitrogen gas, for cooling appliances, will be measured and paid seperately under relevant item mentioned here-in-after.

M&L for disconnecting the unserviceable sealed compressor unit from the Water Cooler (capacity 40/80 Ltrs) of any make & model and removing the same and S&F new hermetically sealed compressor unit, of existing specification, connecting it with both refrigerant line & electrical line for smooth operation on single phase 230 Volts, 50HZ AC supply all as specified and as directed.

All as per Item No 63 here in above but for capacity 60/120 Ltrsall as specified and directed by Engineer-in-Charge.

All as per Item No 63 here in above but for capacity 150/160 Ltrs all as specified and directed by Engineer-in-Charge. Note for item No. 63 to 65 :- Refrigerent will be measured and paid seperately under relevant item mentioned here-in-after.

S&F in replacement relay and OLP assay 40/80 ltr capacity water cooler all as specified and directed by Engineer-in-Charge.

S&F replacement of starting capacitor 60/80 mfd for water cooler all as specified and directed by Engineer-in-Charge.

S&F replacement of running capacitor 25 mfd for water cooler all as specified and directed by Engineer-in-Charge.

S&F replacement of Thermostatic switch for water cooler of any capacity complete all as directed

S& F replacement of blower fan motor with blades suitable for 40/80 Ltrs water cooler all as directed

All as per Item No 70 here in above but for capacity 60/120 Ltrs all as specified and directed by Engineer-in-Charge.

All as per Item No 70 here in above but for capacity 150/160 Ltrs all as specified and directed by Engineer-in-Charge.

S&F replacement push cock brass chromium plated 15 mm dia complete all as directed

DESERT COOLER

S&F in replacement desert cooler pump 1/83 HP operating on SP 230V, 50Hz AC supply complete all as directed

S&F in repalcement desert cooler fan motor operating in SP 230V, 50Hz AC supply complete with blade multispeed suitable for desert cooler of 5000 CFM/Hr complete all as directed

S&F in repalcement desert cooler fan motor operating in SP 230V, 50Hz AC supply complete with blade multispeed suitable for desert cooler of 4000 CFM/Hr complete all as directed

S&F replacement PVC distributor 3 way suitable for 15mm bore pipe connection of desert cooler complete all as directed

S&F in repalcement of polythylene pipe flexible 15mm dia for water cooler complete all as directed

Replacement of woodwool for pads 4000 CFM desert cooler all as specified and directed by Engineer-in-Charge.

Replacement of wood wool pads for 5000 CFM desert cooler all as specified and directed by Engineer-in-Charge.

M/L for hylium /PVC sheet with printed/ingraved/painted letter as SM/MES/Mech No on of size not more than 1 inch x 3 mm as duly fixed to the plant by adhesive/reveat complete all as specified and directed by Engr-in-Charge

REFRIGERATOR

S&F new hermetically sealed compressor unit, of existing specification, connecting it with both refrigerant line & electrical line for smooth operation on single phase 230 Volts, 50HZ AC supply including M&L for disconnecting the unserviceable sealed compressor unit from the Refrigerator (capacity 165-200 Ltrs) of any make & model and removing the same all as specified and as directed.

All as per Item No 84 here in above but for capacity 240/320 Ltrs complete all as specified and directed by Engr-in-Charge

All as per Item No 84 here in above but for capacity 240/320 Ltrs complete all as specified and directed by Engr-in-Charge Note for item No. 84 to 86 :- Refrigerent will be measured and paid seperately under relevant item mentioned here-in-after.

S&F replacement OLP relay assy suitable for refrigerator 165 to 360 ltrs cap complete all as directed

S&F replacement thermostatic switch suitable for refrigerator 165 to 310 ltrs capaicity complete all as directed

S&F replacement magnetic door gasket suitable for refrigerator 165 ltrs capacity complete all as directed

S&F replacement cabinet lamp suitable for refrigerator complete all as directed

S&F replacement of tray suitable for refrigerator 165 to 410 ltrs capacity complete all as directed

S&F replacement of storage box suitable for refrigerator 165 to 410 ltrs capacity complete all as directed

S&F replacement of filter suitable for refrigerator of any size/capacity complete all as directed

S&F replacement Fan motor suitable for refrigerator complete all as directed

S J REDDY

Universal refrigeration and Engineering Company

K LAKSHMAN SINGH AND CO