MAINTENANCE TO AIR CONDITIONING, WATER COOLERS AND ALLIED E/M SERVICED AT AOB RAMBILLI NEAR VISAKHAPATNAM.

Amount

Servicing/repairing of the water coolers 40/40, 120/80 ltr & 120/150 ltr from its existing position and refixing of the same after repairing including/cleaning filter removing internal dust by using air blower and vacuum cleaner, oiling, greasing wherever required including checking / testing after completion all as specified and as directed. Note : Unserviceable/defective items which is required to be replaced shall be measured and paid separately.

All as item No 1.00 here-in -before but for Split type AC 1.5 ton/2 ton capacity.

All as item No 1.00 here-in -before but for Window type AC 1.5 ton/2 ton capacity

All as item No 1.00 here-in -before but for Refrigerator 165/310 ltr capacity.

All as item No 1.00 here-in -before but for Deep Freezer.

Finding the leakage in refrigerant system by nitrogen pressure test etc and rectifying the leakage by brazing,welding including installation and complete testing of the Water cooler 40/40, 120/80 ltr & 120/150 ltr all as specified and directed. Note: (i)The necessary nitrogen reqd for leak test deemed to be included in the quoted rates. (ii) The refrigerant gas reqd will be paid under relevant item of BOQ.

All as item No 6.00 here-in -before but for Split type AC 1.5 ton/2 ton capacity

All as item No 6.00 here-in -before but for Window type AC 1.5 ton/2 ton capacity

All as item No 6.00 here-in -before but for Refrigerator 165/310 ltr capacity

All as item No 6.00 here-in -before but for Deep Freezer

All as item No 6.00 here-in -before but for package type Ac plant of 4.8 TR of Hitachi make of model RAS-6.0HNBRQ

All as item No 6.00 here-in -before but for package type Ac plant of 5.5TR

M&L for Charging of refrigeration gas (R-22/134A/ HCFC/R407/R404 etc ) to existing Window AC/ Split AC /Deep Freezer/Refrigerator/Package type AC of any description, any make & in any position to makeup required pressure complete all as directed.

M&L for replacement of the following parts/items of split/window type AC 1.5 ton / 2.0 ton capacity,package AC 4.8 to 5.5 TR, water cooler 80 ltr / 150 ltr capacity, refrigerator 165 ltr / 310 ltr capacity, and desert coolers etc complete all as specified and as directed.

Starting capacitor of 80/100 mfd capacity Make: Asian/Keltern/Unistar/EPSCO/Keal

Starting capacitor of 100/120 mfd capacity

Running capacitor of 4.5 MFD capacity

Running capacitor of 50 MFD capacity

Starting capacitor of capacity 10 MFD/20MFD

Running capacitor of 4 MFD.

Thermostat switch for water cooler Make : Renutral/Shriram/Indfoss

Thermostat switch for AC 1.5 ton/2.0 ton capacity, Split/window type Make : Renutral/Shriram/Indfoss

Thermostat switch for for Refrigerator Make : Renutral/Shriram/Indfoss

Wiring kit for water cooler

wiring kit for window type / split type AC

PVC air filter for split AC

PCB for Cooling Only 2 TR Split Ac as per existing make

Brass service valve for split type A/C of size 5/8” or 3/8'' or 11/8" dia service valve all as approved (Make : CAM)

Refrigerator Freezer coil & freezer coil type/roll bound type complete suitable for 165 ltr. to 230 ltr. capacity

Brass Nipple 15 mm dia for inlet and out let connection of water cooler

Drain Pipe PVC flexible 1¼” dia with one end circle clip

CP brass Push cock, 15 mm. Dia.

Solenoid valve suitable for Hitachi make of model RAS-6.0HNBRQ

Liquid/gas stop valve suitable for 4.8TR to 5.8 TR.

High pressure sensor suitable for 4.8TR to 5.8 TR.

Low pressure sensor suitable for 4.8TR to 5.8 TR.

High pressure switch suitable for 4.8TR to 5.8 TR .

High pressure switch suitable for 4.8TR to 5.8 TR

S&F in replacement of microcomputer controlled electronic expansion valve suitable for 4.8TR to 5.8 TR including brazing,welding complete all as specified.

S&F in replacement of drier unit suitable for 4.8TR to 5.8 TR including brazing,welding complete all as specified.

Chemial servicing of 5.5 TR condenser unit by descaling agent diluted HCL for outdoor units (condensers) and filter cleaning for indoor ductable/split units of the same complete all as specified and directed by Engr-in-Charge.

All as item No 41.00 here-in -before but for 4.8 TR Condenser unit

M&L for replacement of 3 core flexible copper cable of size 40/0.0076 with thimble etc complete all as specified and as directed.

S&F in replacement plug top 3, pin 5 Amp complete all as specified

S&F in replacemen plug top 3, pin 15 Amp complete all as specified

M&L for replacement of condenser unit of 2 TR split type AC unit including necessary brazing, welding complete all as specified and directed by Engr-in-Charge .Note:- The Compressor required shall be paid under relevant item of Schedule 'A'.

M&L for replacement of indoor evaporator coil unit of 2 TR split type AC unit incl necessary brazing, welding complete all as specified and directed by Engr-in-Charge.

M&L for replacement of burnt compressor of water cooler 80-150 ltr per hours cooling capacity. including dismantling the unserviceable burnt after disconnecting suction/discharge side copper tube bolts rubber pads and washers connecting copper tubing by welding blazing nut flaring and repairing of gas leakage if any completeall as specified and as directed.

All as item No 48.00 here-in -before but for window type AC/split type AC of 1.5 ton capacity

All as item No 48.00 here-in -before but for Split type AC 2.0 ton capacity

All as item No 48.00 here-in -before but for refrigerator 165 ltr capacity

All as item No 48.00 here-in -before but for refrigerator 310 ltr capacity

All as item No 48.00 here-in -before but for deep Freezer 200 to 315 ltr capacity

M&L for replacement of blower fan motor of existing size and capacity in cooling unit of split type AC capacity 2.0 TR complete all as specified and as directed.

M&L for replacement of Condensor fan motor of existing size and capacity in outdoor unit of split type AC capacity 2.0 TR complete all as specified and as directed .

M&L for replacement of copper tube of size 1/4" or 3/5'' dia for cooling unit to condensing unit for split ACs complete all as specified and as directed.

All as item No 56.00 here-in -before but of size 1/2'' or 5/8" dia

M&L for replacement of insulation for copper tube of size 1/4" or 1/2" or 3/8" or 5/8" dia for cooling unit to condensing unit for split Acs as per existing complete all as specified and as directed.

M&L for writing/making SL, SM, MES Nos with black/white paint with stencil on indoor and outdoor unit of split Acs window type Acs water cooler desert coolers, stabilizers of any make and any capacity all as specified and as directed.

M&L for replacement of PCB ,sensor display unit of 1.5/2 TR inverter type split type AC unit incl necessary joining, welding with necessary bolt & nuts complete all as specified and directed by Engr-in-Charge.

M&L for replacement in repairs of oscillation motor of 2 TR split type AC unit incl necessary joining, welding with necessary bolt & nuts complete all as specified and directed by Engr-in-Charge.

M&L for replacement of metal clad socket outlet 3 pin of capacity 20 Amps 240V complete all as specified and as directed.

M&L for replacement of metal clad plug top of capacity 20 Amps, 240V complete all as specified and as directed.

M&L for replacement of float valve 15mm bore of brass with L type nipple & polythene float valve complete all as specified and as directed.

M&L for replacement CRCA outer housing/body parts of outdoor unit of 2 TR split type AC unit including necessary joining, welding with bolt & nuts complete all as specified and directed by Engr-in-Charge.

M&L for replacement outer housing body parts of indoor unit of 2 TR split type AC unit incl necessary joining, welding with necessary bolt & nuts complete all as specified and directed by Engr-in-Charge.

Servicing/repairing of 11 TR air cooled ductable split air conditioner unit of capacity 5.5 TR with scroll compressor from its existing position and refixing of the same after repairing including/cleaning filter removing internal dust by using air blower and vacuum cleaner, oiling, greasing wherever required including checking / testing after completion all as specified and as directed. Note : (i) Unserviceable/defective items which is required to be replaced shall be measured and paid separately.

All as item No 67.00 here-in -before but of 4.8 TR Condenser unit

M&L for PCB of outdoor unit suitable for 4.8TR capacity for existing AC make Hitachi model No RAS-6.0HNBRQ complete all as specified and as directed.

M&L for suitable PCB for 5.5TR capacity existing AC make Bluestar complete all as specified and as directed.

M&L for Volume control dampers/duct dampers with operating handlesuitable for 09 to 11 TR capacity for supply air duct branches complete all as specified and as directed.

M&L for canvas connection for ductable units complete all as specified and as directed.

Supply , assembly and erection of GI sheet with TDF flange rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed, including all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc of size 24 Gauge complete all as specified and as directed.

All as per item no.73.00 here-in before but of size 22 gauge

M&L in replacement of MCCB 4pole 125 Amps 25 KA complete all as specified and as directed.

S&F in repairs to Voltage stabilizer of 2KVA to 5KVA of any make and model complete all as specified and as directed.

M&L for replacement of MNX-25to 32 Amps Contactor including necessary screws, nuts and bolts complete all as specified and as directed.

M&L for Contactor suitable to Split Acs of capacity 2TR complete all as specified and as directed.

M&L for replacement of burnt scroll compressor including dismantling the unserviceable burnt after disconnecting suction/discharge side copper tube bolts rubber pads and washers connecting copper tubing by welding blazing nut flaring and repairing of gas leakage if any and completesuitable for 5.5 TR ductable split AC all as specified and as directed.

All as per item no.79.00 here-in before but off 4.8 TR rotary compressor.

M&L for rewinding of blower fan motor of existing size and capacity in cooling unit of ductable split type AC capacity 5.5 TR complete all as specified and as directed.

All as per item no.81.00 here-in before but of 2.0 TR split type unit

M&L for rewinding of Condensor fan motor of existing size and capacity in outdoor unit of AC capacity 5.5 TR complete all as specified and as directed.

All as per item No.83 here-in before but 4.8 TR capacity

M&L for HDPE pipes for drain out the drain points 25mm dia (each unit drain out) complete all as specified and as directed.

M&L for power and control cabling between the indoor unit and out door unit of size 4 core x 1.5 sqmm copper wire complete all as specified and as directed.

M&L for power and control cabling between the indoor unit and out door unit of size 4 core x 2.5 sqmm copper wire complete all as specified and as directed.

M &L for duct accoustic insulation 25 mm thick with resin bonded fibre glass wool rigid board covered with tissue paper with 26 gauge GI perforated shee complete all as specified and as directed.

M &L for duct thermal insulation 50 mm thick with aluminium foil faced fiber glass material of density 24 kg/cum, with factory laminated aluminium vapour barrier 26 guage thickness including (a) M&L for cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) M & L for securing the insulation with and including mechanically fastened nylon/ steel straps of size 12 mm/50 mm at maximum intervals of 1.2 mtr.

M&L for powder coated extruded aluminium supply air/4way diffuser with standard flanges complete all as specified and as directed.

cutting of tree branches,cleaning of bushes.small plants surrounded the E/M installations including removing debris to a distance not exc 50m complete all as specified and as directed.

M&L for powder coated extruded aluminium return air grill (continous/discrete grills with standard accessories complete all as specified and as directed.

ANAND ENTERPRISES AND ENGINEERS

SRIESWARI ENTERPRISES

SRIVALLI ENGINEERS