tender for r.o filter with atm m / c purification plant of discharge capacity 500 lph / hr -r.o filter with atm m / c purification plant of discharge capacity 500 lph / hr , r.o. filter with uv purification with all accessories & mounting with fitting at site & successful trial ( 500lph pure water discharge ) as per technical specification of annexure attached the r.o. filter unit should consist following major items b ) lldpe rotational modulded polythene cylindrical vertical water storage tank ( triple layer ) with isi marked of is:12701:1996 latest revision ( 1000 ltr for raw water - 1 no. and 1000 ltr for pure water 1no. ) d ) card system ( swap card system with 300 card including gps / gprs system ) - 1unit e ) water chiler of capacity 1 ton. emrison compreser , add 18%gst