Tender For sitc of 6x3tr ductable split ac units - 3tr metal body copper coil evaporator and copper coil condenser ductable ac units , installation testing and commissioning of 3 tr ductable air conditioning units , supplying and laying of copper refrigerant pipes for 3 tr ductable ac units , extra for supply and charging of additional refrigerant gas , providing indoor unit ceiling mounting bracket system , supplying and laying of 2.5sq.mm 4 core pvc or xlpe insulated and pvc sheathed copper conductor unarmoured cable , supplying and installing 300 mm width x 50 mm depth x 1.6 mm thickness size perforated painted with powder coating m.s. cable trays , providing and laying of 40mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , providing and laying of 32mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , providing and laying of 25mm dia fire retardant corrosion free medium class u pvc pipe along with accessories , supply fabrication and installation of 22 swg gi sheet plenum or duct complete with all accessories , supply and fixing of rectangular fire retardant canvas duct connector , supplying and fixing of powder coated extruded aluminium supply air grills with fixed front louvers
Tender For supply of laboratory and scientific equipment/tools - laboratory and scientific instruments/tools, compressor: type: refrigeration compressor, hermetically sealed, reciprocating, refrigerant type: r22, cooling capacity: 2355 kcal/hr type, voltage 220-240 v ac, 1- phase (details as per sl. no. 1 at annexure-i)., compressor: type: refrigeration compressor, hermetically sealed, reciprocating, refrigerant type: r134a, cooling capacity: 1411kcal/hr, voltage: 440vac, 25mfd, 1- phase (details as per sl. no. 1 at annexure-i)., compressor: type: refrigeration compressor, hermetically sealed, reciprocating, refrigerant type:r134a, cooling capacity: 0.25hp; supply voltage: 220-240 v ac, 1- phase (details as per sl. no. 1 at annexure-i)., capillary tube : 1.12 mm od, material: copper astm b280 (details as per sl. no. 2 at annexure-i)., capillary tube : 1.20 mm od, 8 ft, material: copper astm b280 (details as per sl. no. 2 at annexure-i)., capillary tube : 1.40 mm od, material: copper astm b280 (details as per sl. no. 2 at annexure-i)., capillary tube : 0.95 mm od, material: copper astm b280 (details as per sl. no. 2 at annexure-i)., thermostatic expansion valve: orifice- 0 no., connection-1/2 x 3/8 flare (details as per sl. no. 3 at annexure-i)., thermostatic expansion valve: ten 068z3348, q-33311 r134a -40 to 10 ps 34 bar. (details as per sl. no. 3 at annexure-i)., hand stop /manual shut-off valve: media: r22, r502, r134a, r407c, r410a; port size: 3/8" sae; cooling method: direct cooling; power: manual; including brass material nut bolt. (details as per sl. no. 4 at annexure-i)., hand stop /manual shut-off valve: media: media: r22, r502, r134a, r407c, r410a; port size: 1/4" sae; cooling method: direct cooling; power: manual; including brass material nut bolt. (details as per sl. no. 4 at annexure-i)., evaporator coil : 1/4" od, material: copper astm b280 (details as per sl. no. 5 at annexure-i)., condenser coil ; 3/8" od, material: copper astm b280 (details as per sl. no. 6 at annexure-i)., dimmer stat : 1500 w, 230 v ac. single phase, 50hz (details as per sl. no. 7 at annexure-i)., pressure gauge : connection 1/ npt 8 0 - 200 psi dial size 2.5" (63mm), connection sizes 1/4" (details as per sl. no. 8 at annexure-i)., digital temperature indicator : range -30 to 200 0c, power supply 230vac, digital display, accuracy 0.01 c channel -12 (details as per sl. no. 9 at annexure-i)., digital temperature indicator : type input cr-al(k-type), rang- 0 0c to 200 0c supply- 230vac, 50hz, channel -12 (details as per sl. no. 9 at annexure-i)., ammeter (digital) : rang 0-10 amp. single phase, digital display, 230v,10%vac (details as per sl. no. 10 at annexure-i)., voltmeter (digital) : rang 0 300-volt, single phase, digital display (details as per sl. no. 11 at annexure-i)., hp/lp cut out relay : hp- 8 to 32 bar, lp-0.2 to 7.5 bar, dual controls, 240 v, 50 va, single pole changeover switch (spdt), contact load 240 v ac: 8 fla, 48 lra (details as per sl. no. 12 at annexure-i)., energy meter : a.c. single phase, 2 wire solid state (static) fully electronic energy meter, accuracy class 1.0 & current rating 5-30 amp. with backlit lcd display for240 volt system fitted with pilfer proof meter box.(details as per sl. no. 13 at annexure-i)., r-134a refrigerant gas : 5 kg filled cylinder; moisture less than 0.001; purity: 99.9%; appearance: colourless; application: refrigerant; type of refrigerant-r134a. (details as per sl. no. 14 at annexure-i)., r-141b refrigerant gas : 5 kg filled cylinder; purity 99.9% appearance: colourless (details as per sl. no. 15 at annexure-a)., r502 refrigerant gas : 5 kg filled cylinder; acidity 0.00001 % appearance: colourless purity 99.9 % (details as per sl. no. 16 at annexure-i)., r407c refrigerant gas : 5 kg filled cylinder; appearance: colourless purity 99.9 % (details as per sl. no. 17 at annexure-i)., r-1234ze hfo refrigerant gas : 5 kg filled cylinder; moisture less than 0.001; purity: 99.9%; appearance: colourless; (det
Tender For supply of condenser and evaporator coil assembly of 01 coach set and each coach set must consists of 4 nos. condenser coil (02 nos. lhs and 02 nos. rhs) and 4 nos. of evaporator coils (02 nos. lhs and 02 nos. rhs) suitable for sidwal/intec, lhb r-407c variant rmpu as per rdso specification no. rdso/ac/0061 -2005(rev-1) or latest. note: material is to be procured from oem or its authorized dealer. [ warranty peri od: 30 months after the date of delivery ]
Tender For supply of set of evaporator coil and condenser coil assembly suitable for ess ess kay make rmpu of lhb type ac coaches. one set contains - (1)left side evaporator - 01 no. (2)right side evaporator - 01 no. (3)left side condenser- 01 no. (4) right side condenser- 01 n o. as per rdso specification no- rdso/pe/spec/ac/0061- 2005(rev-1) or latest. [ warranty period: 30 months after the date of delivery ]
Tender For ahmedabad division - refurbishment of sets of rmpus of lhb ac coaches and replacement, installation, testing and commissioning of condenser and evaporator coil unit with accessories in double decker lhb ac coaches
Tender For custom bid for services - comprehensive annual maintenance contract of cs12 eakon cold store located at doddanekundi plant acd for a period of 3 years -summary: comprehensive annual maintenance contract includes maintenance, repair/replacement of all the components of the cold stores as follows: a) compressor, condenser unit, evaporator unit, suitable refrigerant, power supply system, control system, all safety features, operator panel, different type of sensors, interconnecting piping including drainage water pipes, cold room panels, coil and drain heaters, doors, lighting, temperature recording panels, and all other electrical, mechanical as well as electronics components of the systems & eurotherm electronic recorder.b) detailed scope of work:1 vendor should take over the cold stores for camc, in as-is-conditions., 2) preventive maintenance (pm) of the units to be carried out every month in consultation with user / maintenance dept, and detailed pm schedule to be drawn up and a copy of the pm carried out (service report) should be forwarded to purchase department duly endorsed by maintenance dept. for the reference and records. this pm should be carried out apart from periodical servicing and attending the breakdown calls. 3) servicing of the units should be carried out once in every three months, within two weeks of commencement of the quarter. this should be carried out preferably on sundays/ holidays. this servicing involves cleaning of condensers, cooling coils, filters (if any) leakage testing & rectification; and any/all other works required to ensure proper functioning of the units. a copy of the service carried out (service report) should be forwarded to purchase dept. duly endorsed by user/ maintenance dept for the reference and records. 4) the firm should monitor the temperature/ attend breakdown / preventive maintenance or any other request from user/ maintenance /quality dept. & monitor the functioning of all the cold stores. the firm should monitor and record the cold store chamber temperature every hour during shift hours and should take signature on recorded values by user, quality dept /maintenance dept. daily. the camc vendor s scope of work will be active for three shifts per day/round the clock, including sundays & holidays, i.e. all days throughout the camc period. 5) the firm should inform all the three departments user/qa/maint. in the event of malfunctioning of the equipment is noticed. they also should ensure safety of the materials stored in the event of failure of the cold stores. 6) the firm should report any abnormality, breakdown, or any bypass made immediately to all the three dept viz user, maintenance and quality dept. the equipment uptime should be greater than 95% without any interruption. 7) the firm should inform to the maintenance department in the case power failure, so that maintenance dept. can arrange for switching on the dg supply. 8) the firm should able to read the temperature in the electronic temperature recorder. 9) the firm should attend any number of breakdown complaints as and when reported by user/ maintenance dept/ quality dept during the contract period. the breakdown complaints should be attended within 8 hrs from the receipt of oral or written complaints and the system should be rectified within a day, except for the major breakdowns. 10) the firm should bring all the tools and tackles necessary including consumables for the repair / servicing. 11) the firm should hand over the cold stores in good working condition after the completion of camc, failing which necessary remedial actions will be taken to recover loses to acd-hal by deducting equivalent amount from the due amount. c) monthly checks: checking and servicing of cold stores.- (a) compressors- condensing units, solenoid valves and all gauges, drier, globe valves and all gauges, hp/lp switches, oil pressure switches ., expansion valve and mixture., refrigerant level and top-up if required., oil le