Three-year comprehensive annual maintenance contract (camc) for environmental control system (electrical, mechanical, water treatment plant and ro plant, excluding bms system) for 13 underground metro stations of l-2 and l-3 , and three-year..

Annual maintenance contract of 1 no 10t ell wharf crane available at voc port authority for a period of one year.

Comprehensive annual maintenance contract of carrier and york make water cooled chiller of airport express line for five years.

Comprehensive annual maintenance contract for 3 nos of water cooled chiller units in centralized water-cooled hvac system available in ammamaligai ripon building premises for the period of one year in div 58 zone v

Provision of annual maintenance contract without spares for scada control centre rtus and frtus of scada tirunelveli for one year in respect of tirunelveli edc

Annual maintenance contract (amc) of operator cabin air conditioning system of 04 nos epiroc make drill machines of khadia project for a period of 01 year (365 days).

Annual maintenance contract (amc) of operator cabin air conditioning system of 09 nos rel make drill machines of khadia project for a period of 01 year (365 days).

Annual rate contract for non comprehensive operation and maintenance of cng booster compressors electric motor driven 22kw and 37kw on module basis for period of one year

Annual hardware maintenance and software support contract for a period of 2 years with a provision for further extension of one year