Repair/Maint of central AC plants , AHU, chiller control cable etc in Army Area Banar

Amount

Material and labour Dismantling and taking out motor squirrel cage induction motor 100 HP capacity from base for Servicing of motor overhauling including greasing of all moveable parts and refitting same after repair including transportation to Workshop and back reassembling and reconnecting with compressor and testing on full load for entre satisfaction of Engr-in-Charge including Replacement of following U/s parts (a)replacement of ball bearing - 02 Nos (b)connection plate - 01 No (c) motor fan blade - 01 No

All as per Srl item No 1 above but 45 HP

All as per Srl item No 1 above but 15- 20 HP

All as per Srl item No 1 above but 5 - 10 HP

All as per Srl item No 1 above but up to 5 HP

M&L for servicing of chiller / condensing pump & remove the all dirt, rust of shaft impellor by machinery work etc of capacity 20/15 HP and gland packing, studs and nut bolts with bushes etc as required at site all as directed by Engr-in-Charge.

All as per Srl item No 6 above but 10 HP any type of pump.

All as per Srl item No 6 above but 10HP to 5 HP any type of pump

All as per Srl item No 6 above but below 5 HP any type of pump

M & L rewinding of stator assembly of squirral cage induction motor 100 HP to 5 HP capacity of reciprocating compressor of 75 TR to 30 TR capacity and monoblock pump set/AHU/centrifugal pump with super enameled copper wires of suitable gauge and duly insulated with Class E insulated material and varnishing complete

M&L for servicing of CSU(ceiling suspended unit),4000CFM (10TR),make : ZECO at NBC area ,at elevated height with out affecting any INCONVENIENCE to user and comprising following service/ repair work (a) inspecting function ability of ball valves, balancing valves, 3way valve, including leak proofing/ replacing, replacing U/S GI/MS fittings such as flanges, elbows, Tee etc complete all as directed (b) inspecting supply & return air duct bellows, replacing u/s fastener, leak proofing, testing static pressure, servicing air inlet, delivery, return dumper Note: Minor items shall be included in quoted rate

Supply & fix in replacement of profilers & fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with epoxy filled on sides of size500x500x50mm and for fine filters 99% efficiency to control dust particles up to 5 microns 500x500x305mm as per sample suitable for existing AC plant.

Supply & fix in replacement of prefilters& fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with both side wire mesh of size610x610x50mm of class EU-4and for fine filters 99% efficiency to control dust particles up to 10 microns 610x610x305mm EU-5 as per sample suitable for 42/62 TR AHU plant.

M& L for servicing/repair of air curtain of any size & make with following repair all as directed by engineer in charge (i) inspecting blower impeller,bearing at driving & non driving end,aligment of shaft assembly (ii) inspecting control wirng,power contactor,OLR etc. (iii) lubricating whole rotating part, cleaning the air filter with blower

Supply & replacement of V belt of following size (i) A-27/29

All as per Srl item No 15 above but of size B- 83/84

All as per Srl item No 15 above but of size B- 59

All as per Srl item No 15 above but of size B-118

All as per Srl item No 15 above but of size B-74

All as per Srl item No 15 above but of size B- 73

Supply and fixing in replacement /suction Discharge stop valve housing 3" conforming to cat part No ASL-6026-3 of ACCEL complete all as specified and as directed.

Supply and fix in repairs of oil failure switch suitable (R-22) of Central AC plant.

All as per Srl item No 22 above but LP/HP Cut Out switch. (MP-1/MP-5)

All as per Srl item No 22 above but Discharge failure switch.

Supply and fix in repairs of OIL PRESS.GAUGES (R-22, R-134(a)for Central AC plant 0-300 PSI Make ::FIBIG

Supply & replacement of expansion valve for 75 TR

Supply & replacement of expansion valve for 100 TR

Supply & replacement of expansion valve for 30 TR

Supply & replacement of loading/unloading solenoid valve for 75 TR

M&L for descaling of shell and tube type water cooled condenser of capacity 75 TR with MS shell and integral copper tubes with safety valve with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling brush with rod (7' long) and circulating by descaling pump including replacement of gasket set, nuts and bolts all as directed by Engr-in-Charge. NOTE: PH value of circulation water after descealing of condenser is tested and it must be lies between 6 to 8, If PH value does not found satisfactory. Descaling is carried till PH value meets requirement.

All as per Srl item No 30 above but for 100 TR capacity.

All as per Srl item No 30 above but for 30 TR capacity.

M&L for descaling of chiller unit , shell and tube type 75 TR capacity with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling brush with rod suitable size and dia and circulating by descaling pump including replacement of gasket set, nuts and bolts all as directed by Engr-in-Charge.

All as per Srl item No 33 above but for 100 TR capacity.

Supply & replacement,testing,calibracting,commissioning of Digital BOCR relay make : C&S,Model:BOCR -3EZ 220 A.

M&L for disconnecting electrical connections 7.5 HP motor located at the top of cooling tower and dismantling and taking out fan blade assembly along with motor mounted on base frame at the top of cooling tower after cutting all nuts, bolts and fixtures from the mounting frame and removing whole assembly including motor and base frame from the top of cooling tower with the help of T&P for servicing of cooling tower suitable for 150 TR capacity including following complete for servicing cooling tower plant through cleaning re-agent complete pipe line, including servicing of cooling tower motor and fan and make the necessary alignment with motor and replacement of bearing of suitable cap after necessary work including greasing and replacement of nut bolts and preventing leakage if any by means of suitable additives etc all as directed and specified. (a) Cleaning /scrapping of inner& outer surface of FRP basin, repair of damaged portion if any to and for FRP lining of all surfaces joints to avoid leakage including replacement of all nuts and bolts joining all parts of Basin complete (b) cleaning of serviceable PVC fills(Big size ) in columns of size 60x30x15 cm (c) Cleaning of serviceable PVC fills(small size ) in comb of size 60x15x15 cm

All as per Srl item No 36 above but 60 TR capacity

Taking down/dismantling old damaged 200 TR cooling Tower and Supply erect testing and commissiong 200 TR cooling tower round shape, cooling capacity 200 TR, water flow rate 800 USGPM, outlet water temperature 90.0 F, Height 4400 mm, Diameter 3550 mm, Evaporation loss 0.750%, water surface area 1273 M3, No of fan 01, Fan dia 1800 mm, Fan speed 720 RPM, Air Quality 50400 CFM, No of Motors 01 No, Capacity 10 HP, Motor Speed 720 RPM, 415 Volt, 3 Phase, 50 HZ, flanged Type, basin/casing FRP,PVC filles, sprinkle assembly including connection of all existing pipe all inlet and out let pipe as per existing dia with electrical connection and control cable from panel to cooling tower and all civil work for cooling tower foundation all as per specified and directed . Note;- (i) Existing motor for cooling tower will be taking safely and handover to MES auth. (ii) Material of fan blade should be aluminium. (iii) Fan should be axial type (iv) Motor should be TE-WP, IP 55 protection (v) Sprinkle should be aluminium made (vi) Ladder up to the top of tower

Taking down & Replacing of Existing U/s PVC fills(Big size ) in columns of size 60x30x15 cm

Taking down & Replacing of Existing PVC fills(small size ) in columns of size 60x15x15 cm

M&L for attending to break down of pipe line bursting/cracks including removal of broken pipe pieces of various lengths through gas cutting/manual cutting as per site requirement including dismantling flanged joints and removing out the damaged chilled water/Hot water pipe and inserting/welding necessary specials such, as required at site and providing of new welded joints as required at site, including testing for the leakages of joints for the following sizes of chiller/ condenser pipes line,medium grade complete all as specified and directed by Engineer-in-Charge for pipe size 50/65/80/100 mm

Supply & replacement of Power contactor,225 Amps,AC3,3pole,coil voltage 230/415Volt,with axilary contact 2NC+2NC

Supply & replacement of Power contactor,100-185 Amps,AC3,3pole,coil voltage 230/415Volt,with axilary contact 2NC+2NC

Supply & replacement of Power contactor,32 - 40 Amps,AC3,3pole,coil voltage 230/415Volt,with axilary contact 2NC+2NC

Supply & replacement of Power contactor,22- 25 Amps,AC3,3pole,coil voltage 230/415Volt,with axilary contact 2NC+2NC

Supply & replacement of Power contactor,18 Amps,AC3,3pole,coil voltage 230/415Volt,with axilary contact 2NC+2NC

Supply & replacement of Thermal Over load relay, 9- 15 Amps

All as per Srl item No 47 above but 23 Amps

All as per Srl item No 47 above but 33 Amps

Supply & replacement of electronic timer, star - delta, axilary supply- 230/415 volt, AC

Supply & replacement,testing,calibracting,commissioning of Digital motor protection relay (DMPR) make : C&S,Model:DMP06Z with suitable resine casted CT

M & L for XLPE insulated,armoured heavy duty electric cable with copper conductor,1100 volts grade, cross sectional area 10 sq mm x 3 core.

M & L for XLPE insulated,armoured heavy duty electric cable with copper conductor,1100 volts grade, cross sectional area 95 sq mm x 3 core.

M & L for XLPE insulated,armoured heavy duty electric cable with copper conductor,1100 volts grade, cross sectional area 25 sq mm x 3 core.

M&L for job to be carried out to check and do service for the air cooled DX type chiller 50 TR capacity Make: Blue star installed at 7AC area with & including following all as directed and specified by OEM (i)Replacement of oil filter (ii) Cleaning of all flow lines filter / Water lines completely (iii) Checking, Repair& Setting all controls, solenoid valves, three way valves, relays, thermostat, pressure switch and other related equipments/ control for effective and smooth functioning (iv) M&L for Charging of Refrigerant Gas (R-407A) and compressor oil to the entire satisfaction of Egg- in - charge ( Refrigerant Gas (R-407A) and compressor oil will be measured and paid seperately) (v) Tightening the power circuit electrical connections, Control and command connections, correct both operation of heaters as per tightening torque table of OEM (vi) Checking/ setting of all operating / functional /handling parameters for safe and economical operation of plant through out the period. (viii) Checking/ setting of all operating / functional /handling parameters to equipment controller for safe and economical operation of plant through out the period.

Material and labour for carrying out leak test of central AC plants of capacity up to 100 TR with use of nitrogen gas and rectifying the leakages, arresting the leakages. after completion of leak test pressure testing with Nitrogen gas, charging gas and testing commissioning complete all as specified and directed by Engineer-in-Charge.Note:- (i) Necessary copper pipes, welding works are deemed into Quoted rates. (ii) Necessary Refrigerant gas measured and paid separately.

Supply only gas R-22. Make :- Florin, Margin

Supply only gas R-407A. Make :- Florin, Margin

Supply only Synthetic Ester Refrigeration Lubricants, Make Carrier

M&L for servicing of PAN Humidifier 9kW,415V AC, single step with following repairs all as directed by engineer in charge (a) descaling the storage tank, water level indicator, heating coil/element with descaling solution/agent and soft brush with non metallic bristles with out affecting thermal insulation/top cover gasket. (b ) inspecting control wiring including replacement of u/s wiring, servicing of power contactors etc. (c ) replacement of heating element,3kw capacity (d) inspecting/testing, servicing of relays, other safety valves Note: heating element shall be measured and paid separately

M&L for servicing of Hot water generator 55 kW,415V AC,two step with following repairs all as directed by engineer in charge (a) descaling the storage tank, water level indicator, heating coil/element by circulating descaling solution/agent and soft brush with non metallic bristles with out affecting thermal insulation/top cover gasket. (b ) inspecting control wiring including replacement of u/s wiring, servicing of power contactors (c ) replacement of heating element (d) inspecting/testing, servicing/replacement of thermostatic switches, relays, other safety valves Note: heating elements shall be measured and paid separately

Supply & replacemnt of flow switch for inserting in line (make : honey well)

Heating element 3kW,230 Volt,ISI marked of make Bajaj/Hotmax/Vinus

M&L for descaling of chiller unit , shell and tube type 50 TR capacity with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling brush with rod suitable size and dia and circulating by descaling pump including replacement of gasket set, nuts and bolts all as directed by Engr-in-Charge.

Material and labour for taking down and servicing motor squirrel cage induction motor of cooling fan of 50 TR chiller chiller make : Blue star from base for Servicing of motor overhauling including greasing of all moveable parts and refitting same after repair including transportation to Workshop (if required) and back reassembling and reconnecting with compressor unit and testing on full load for entre satisfaction of Engr-in-Charge

Supply and replace wire type water proof liquid temperature senser stainless steel tube 6 mm diameter with 30 mm long cable length 90 cm including all connection with control system

Supply and fix MCCB of following capacity complete including taking down old unserviceable MCCB all as specified and directed by Engr-in-Charge. Make : ABB/L&T/GE/LEGRAND/SCHNEIDER(a) 4 pole 100 Amps,415 Volts, 36 KA fixed type

All as per Srl item No 67 above but 3 pole 100 Amps,415 Volts, 36 KA fixed type

All as per Srl item No 67 above but 4 pole 160 Amps 415 Volts, 36 KA Fixed type

All as per Srl item No 67 above but 3 pole 200 Amps 415 Volts, 36 KA Adjustable type

All as per Srl item No 67 above but 4 pole 200 Amps 415 Volts, 36 KA Adjustable type

All as per Srl item No 67 above but 3 pole 250 Amps 415 Volts 36 KA Adjustable type

All as per Srl item No 67 above but 3 pole 400 Amps 415 Volts, 36 KA Adjustable type

All as per Srl item No 67 above but 4 pole 400 Amps 415 Volts 36 KA Adjustable type

Taking down/dismantling old rusted duct and Supply , assembly and erection in replacement of GI sheet with TDF flange rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc complete of size 22 Gauge.

M&L for duct insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation 25 mm as specified and including the following:- (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.

Supply and fixing in replacement of CAREL PGD user interface programmable controller display suitable for 56 TR air cool AC plant Model XACZYS-060R2 as per existing make and model including control wiring and complete connection all as specified and directed .

Supply and fixing in replacement of CAREL PCO 3M programmable controller suitable for 56 TR air cool AC plant Model XACZYS-060R2 as per existing make and model including control wiring and complete connection all as specified and directed .

Supply installation testing in replacement of Air blower with moter 7.5 HP heavy duty, AC 3 Phase , 50 HZ Pcontunes running with auto on/off starter panel combine for two blower and necessary cable and control wiring cooneection, pressure gauge , safety valve and foundation complete all as specified and directed

M&L for servicing the Air handling units capacity 25 TR(10000 CFM), with and including cleaning complete units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters,greasing of blower motor,replacement of un serviceable bearings, water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge.Note :- Replacement of unserviceable filter will be measured and paid seperately.

Supply & fix in replacement of prefilters & fine filters box type with washable nylon filters media having 90% efficiency to control dust particles up to 10 microns fitted in aluminum framed with both side wire mesh of size610x610x50mm of class EU-4and for fine filters 99% efficiency to control dust particles up to 10 microns 610x610x500 mm EU-7 as per sample suitable for 52 TR AHU plant.

Material and labour for control cable connection from AHU control panel to AHU room of existing cable any size including find out and rectify fault all as specified and directed

Material and labour for taking down old unserviceable scrool compressor debrazing the suction & discharge lines. Supply, testing and commissiong of Scroll compressor of Model No SY300, 3 Phase, 50 HZ, R-407 Make Denforces of the same capacity & rating including necessay welding/brazing with silver/copper brazing rods, copper pipe, sockets elbow, including charging of gas all as specified and directed