Overhauling and Repairing of Roof Mount Package Unit of LHB AC coaches (Qty.1440 RMPU i.e. 720 coach) at Carriage Repair Workshop, Harnaut for 03 Years.

A-Schedule A: :-Overhauling and Repairing of Roof Mount Package Unit

Overhauling and repairing of RMPU as per scope of work of POH.

B-Schedule B- List of spares Mandatory based (As per scope of work).

Fixing of complete set of Bellow Duct of Meta-Aramide Fabric with silicone rubber coating on both sides complete with metallic frames at both ends as per RDSO Specification No. RDSO/PE/SPEC/AC/0197-2020 (Rev.0) complete with accessories. (Unit = Per RMPUs). (Bellow Duct will be supplied by Railway). Above/

Replacement of Return Air Filter with new one.(supply is in the scope of contractor). Above/

Supply and fitment of Anti vibration Mounting Pad for RMPUs as per RDSO Spec. No.: RDSO/PE/SPEC/AC/0061-2005 (Rev -1). Above/

Fitment of Anti vibration Mounting Pad for RMPUs as per RDSO Spec. No.: RDSO/PE/SPEC/AC/0061-2005 (Rev -1). (Anti vibration mounting pad will be supplied by Railway). Above/

Replacement of Fresh Air Filter with new one (supply is in the scope of contractor). Above/

Supply of MPCB for Compressor Unit 1.1.1.2.2.1 & 2.2 Heater 1&2 Rated Current: 7- 10A Thermal Release Range:10-16A, Class:10, Breaking Capacity:10kA, Pole:-3P, Rated Voltage:- 415V AC as per RDSO Letter No. EL/7.1.108/MSSBC DT. 17.09.2021 ANNEXURE (BOM) Sr. NO. 39 (attached herewith) or latest amendment. Above/

Supply of MPCB for condenser fan motor confirming to IEC:60947 part-2:2003 or latest, current rating 2.5 A, thermal release range:1.6- 2.5A, class: 10, breaking capacity 50kA, pole:3P, voltage: 415VAC, 50Hz, confirming to RDSO specification no. RDSO/PE/Spec/AC/0184-2015 (Rev-0) or latest. The material should be as per BOM of RDSO spec RDSO/PE/Spec/AC/0184-2015 (Rev-0) or latest. Above/

Supply of MPCB for Ventilation Fan Unit, 3-4 A, Thermal Release Range: 2.5-4 A, Class: 10, Breaking Capacity: 50 kA, Pole: 3, Voltage: 415 V AC, 1 NO + 1 NC Auxiliary Contact Block, as per RDSO Specification No. RDSO/PE/SPEC/AC/0184-2015 (Rev.-0) and RDSO L/N No. EL/7.1.108/MSSBC, dt. 17.09.2021. Make: ABB / Legrand / Schneider / L&T / Siemens / Eaton.or latest amendment. Above/

Supply of MPCB for Exhaust Fan with auxiliary Contact (1 NO + 1 NC) and Terminal Block, Rated Current:%A0 0.63A, Thermal Release Range: 0.4 %u2013 0.63A, Class:10, Breaking Capacity: 50KA, Pole: 3, Voltage: 415V AC,%A0 Make: ABB/ Schneider/ Siemens/ L&T Only, as per RDSO Spec RDSO/PE/SPEC/AC/0184-2015(Rev.-0) and RDSO L/N. EL/7.1.108/MSSBC, dt. 17.09.21. Above/

Supply and fitment of Over Heat Protector (for Heater) 15 Amp capacity, 220/230 V, with fixed setting at 65 Degree Centigrade, capillary length 1 to 2 mtrs., probe length 100 mm, probe dia 6 mm, connection 1 NO + 1 NC + common, conforming to RDSO Specification No. RDSO/PE/SPEC/AC/0061-2005 (Rev.-1). Above/

protection cartridge bulb for excess temperature range up to 130 degree centigrade (self destroying type) confirming to IS 687-1982 or latest for LHB type RMPU AC coaches as per RDSO Specification No. RDSO/PE/SPEC/AC/0061-2005 (Rev.-1) or latest. Above/

Supply of Miniature circuit breaker (MCB) 415V AC, Curve D 3 pole, rated current: 16Amp, Breaking capacity 10 kA, suitable for LHB AC coaches, as per Common Bill of Material of Switch Board Cabinet letter no. EL/7.1.108/MSSBC dated-17.09.2021. Above/

Supply and fitment of contactor (with diode) for compressor , current rating: 32A (at 13 rated voltage , AC3 utilization category ), Voltage rating: 690V AC, Man pole: 3 No, Aux contact: 1NC, control voltage: 110V DC+/- ,15% with surge suppressor. Above/

C-Schedule C- List of spares Condition based (As per scope of work).

Supply and replacement of Rotary switch (16A, 7 Pole, 3 position (auto, Manual and OFF). Above/

Supply of Electronic timer (Time relay MFS) 110V DC 0.05S to 300 hrs, blinking interval 2second and used for external power supply/emergency brake of LHB type AC coaches as per bill of material and confirming to RDSO Spec. No. RDSO/PE/SPEC/AC/0184-2015 Rev.1 and as per update of common BOM items issued by RDSO Lr. No. EL/7.1.108/MSSBC, dt. 17/09/21 suitable for LHB type AC coaches switch board cabinet. Above/

Supply and fitment of contactor (with diode) for blower motor, condenser motor, heater, current rating: 16A (at rated voltage, AC3 utilization category ), Voltage rating: 690V AC, Man pole: 3 No, Aux contact: 1NC, control voltage: 77-143V DC with surge suppressor. Above/

Removal of defective /damaged Temperature Sensor (FA) and replacement with new same Temperature Sensors. Above/

Removal of defective /damaged Temperature Sensor (SA/RA) and replacement with new same Temperature Sensors. Above/

Removal of defective/damaged Blower motor and replacement with new blower motor. Above/

Repairing of defective blower motor (repaired by contractor ) and refitment the repaired blower motor. Above/

Removal of defective Blower motor runner and refitment the new blower runner. Above/

Removal of defective/damaged Condensor motor and replacement with new Condensor motor. Above/

Repairing of defective condensor motor (repaired by contractor ) and refitment the repaired condensor motor. Above/

Replacement of defective/damaged condensor fan blade and fitment with new condensor fan blade. Above/

Removal of defective/damaged condensor fan blade and fitment with new condensor fan blade.(New Condensor fan blade will be supplied by Railway) Above/

Removal of defective 'SCROLL' make Compressor and refitment with new 'SCROLL' make Compressor. Above/

Removal of defective SS welded round guard and replacement /refitment with new similar SS welded round guard Above/

Removal of defective Drier Filter and replacement /refitment with new Drier filter. Above/

Removal of damaged Hartidge (Couplers) connector and replacement /refitment with new Hartidge (Couplers) connector (Male & Female) including hood and base leaver 24 pin type. Above/

Removal of damaged Hartidge (Couplers) connector and replacement /refitment with new Hartidge (Couplers) connector (Male & Female) including hood and base leaver 16 pin. Above/

Removal of defective/damaged Pressure Transducer (H.P or L.P) and replacement/refitment with new pressure Transducer 0-10 bar or 0-40 bar. Above/

Removal of defective ESTI switch assembly complete with cartidge and replacement by new complete ESTI assembly.(Supply of .new complete ESTI assembly is in the scope of contractor). Above/

Supply and replacement of complete set of Air Heater (1 set =15 nos., 400W heater element). Above/

Replacement of complete set of Air heater ( 1 set =15 nos., 400W heater element) (New heater will be provided by Railway). Above/

Removal of defective / damaged Auto reset type Low pressure Control Switch and replacement /refitment with new similar Auto reset type Low Pressure Control Switch. Above/

Removal of defective / damaged Auto reset type High pressure Control Switch and replacement /refitment with new similar Auto reset type High Pressure Control Switch. Above/

Detector Switch( Control)Removal of defective / damaged Auto reset type Control Switch and replacement /refitment with new Auto reset type Control Switch. Above/

Removal of damaged Brass Distributor (8 hole inlet ) and replacement /refitment with new Brass Distributor. Above/

Removal of defective /damaged Hygrostat (35%-100%) and replacement with new Hygrostat. Above/

Removal of defective /damaged Microprocessor Controller complete and replacement with new Microprocessor Controller complete. Above/

Removal of defective/damages Microprocessor Controller complete and replacement with after repairing of defective Microprocessor Controller complete (repaired by contractor). Above/

Removal of defective /damaged Microprocessor Controller complete and fitment with new Microprocessor Controller complete. (New Microprocessor Controller will be supplied by Railway). Above/

Removal of defective /damaged slight glass complete and replacement with new slight glass. Above/

Removal of defective /damaged Strainer Capillary complete and replacement with new Strainer Capillary complete. Above/

Removal of defective /damaged Evaporator coil (left Hand OR Right Hand) and replacement with new Evaporator coil (Left Hand OR Right Hand as per specific field requirement). Above/

Removal of defective /damaged Evaporator coil (left Hand OR Right Hand) and fitment with new Evaporator coil (Left Hand OR Right Hand as per specific field requirement). (New Evaporator coil will be supplied by Railway). Above/

Removal of defective /damaged Condensor coil (left Hand OR Right Hand) and replacement with new Condensor coil (Left Hand OR Right Hand as per specific field requirement). Above/

Removal of defective /damaged Condensor coil (left Hand OR Right Hand) and fitment with new Condensor coil (Left Hand OR Right Hand as per specific field requirement). (New Condensor coil will be supplied by Railway). Above/

Removal of defective/damaged Thermostatic Expansion valve and replacement /refitment with new Thermostatic Expansion valve. Above/

Removal & replacement of defective /damaged manual valve 1/4" with new one.or 1/2". Above/

Removal & replacement of defective /damaged manual valve 1/2" with new one. Above/

Removal & replacement of DC/DC converter for flapper motor 110V/24V, 1.5A by new DC/DC converter. Above/

Removal of defective Suction Accumulator and erection, testing & commissioning of new Suction Accumulator including flushing with Nitrogen and necessary recharging of refrigerant gas. Above/

Supply, fixing &commissioning of metallic strip as per RDSO Modification sheet no. RDSO/PE/MS/AC/0077-2018 (rev 0)