Northern Coalfields Limited Tender

Scope of Work/Technical Specifications etc: 1. Periodical/Scheduled Inspection and Maintenance : (i) To carry out periodic / scheduled inspection and maintenance of entire system as per the check sheet and OEM recommendation in each equipment, once in a month. (ii) Attend and rectify major breakdown / repair if any within 24 hours of complaint. (iii) Assist in planning of spares for maintenance and repair to be procured and provided by project / NCL and stocking at your end for immediate supply. 2. Details of Work :- This includes : (i)Periodic/Scheduled Inspection and Maintenance. Thorough inspection of AC system performance by team consisting of one system specialist with a technician in line with the check sheet and OEM recommendation in each equipment, once in a month.. (ii)Refrigerant & compressor oil filling; This includes: (a) Leakage test with nitrogen at every joint by means of applying soap solution. (b) Vacuum formation in the system by means of vacuum pump. (c ) Refrigerant (R-134) charging with the adjustment of high and low pressure cut-offs. (d) Compressor oil filling as per requirement of System. (e) Ensuring proper cooling of the operator cabin. In addition to this, refrigerant top up will be taken care for proper cooling of the operator cabin.

Charges of Annual Maintenance Contract for maintaining of Air Conditioning Systems fitted in operator cabin of 24 Nos. Caterpillar make (14 Nos. CAT 777D and 10 Nos. CAT 777E model) 100 T Dumper of Khadia Project as per scope of work for the period of 365 days.

Total impact of GST for the purpose of CTC