bids are invited for daily operation operational checkup routine cleaning back washing dosing general maintenance of 2 nos ro plants 2000 lph and 1000 lph as per scope of work 01 technician or ro operator for 24 months refer item 1 of soqp sec.. , custom bid for services - supply of consumables required for operation of ro systems as per annexure a of scc for 24 months refer item 2 of soqp section v of tender document , custom bid for services - supply of spare parts or materials as and when required for ro systems as per annexure c of scc for 24 months refer item 3 of soqp section v of tender document