Northern Coalfields Limited Tender

Scope of Work/Technical Specifications etc.: 1. To carry out periodic/ scheduled inspection and maintenance of entire cabin AC system as per the check Sheet and OEM recommendations. 2. To change/ clean AC filters, compressor oil as and when required or as per maintenance manual of dumper. 3. To do leakage test using Nitrogen, refill the refrigerant gas if any leakages and rectifying the cause. 4. Vacuum formation in the system by means of vacuum pump. 5. To check sub parts of AC system such as compressor, evaporator, blower assy., thermostat, fuse, electrical connections, AC belt, etc. on regular basis and ensure their proper working so as to ensure comprehensive good cooling is provided by ACs reliably. To change/repair any sub part if it malfunctions. 6. To ensure working of Cooling Systems throughout the contract period. 7. All tools and tackles, compressor oil, Refrigerant GAS (R134a) shall be provided by the AMC holder. 8. Spares required if any in case of system repair and maintenance shall be provided from project end, however assistance in planning of spares for maintenance and repair to be procured and provided by project/NCL shall be required to be done by AMC holder. 9. If a machine remains breakdown for a complete month, no payment shall be made for that machine in that particular month.

Annual Charges for Maintenance of Air Conditioning System in 24 nos. CAT 100T Dumpers (12 Nos. 777D 100T, 10 Nos. 777E 100T and 02 Nos. 777D Converted Tankers) of Khadia Project including Periodical / Scheduled maintenance of AC system, inclusive of manpower, tools, transporatation, Refrigerant and its charging, and compressor oil and its filling for a period of 365 days.

Total impact of GST for the purpose of CTC