bids are invited for operation and maintenance of sewage treatment plants including major & minor repairs at nitt campus. the rate per month shall include all labours as per central govt. minimum wages, statutory payment like esi, epf, bonus, taxes, duties, establishment and all other incidental charges etc., complete. (detailed scope of work as per tender document) , cost of manpower. (as per annexure- a) (ref. page no. 47) , service charge for manpower per year (in %) on rs. 24,03,024/- for deployment of manpower (as per annexure – a) and maintaining the tools and machineries (as per annexure – b), minimum service charge to be quioted 3.26% and above (excluding gst) , supply of sodium hypo chlorite (more than 100mg/l) including freight charges. , supply of bio-culture including freight charges , supply of urea/dap including freight charges , supply of bleaching powder at site including friet charges , jcb hiring charges including all conveyance and diesel , supply, discharging and refilling of gear oil to the gearbox, blower (320 grade oil) including freight charges. , supply & installation of 5 mm neoprene rubber sheet with all nuts & bolts for clarifier tank rates includes freight charges. , supply & installation of 08/10 mm silicon oil gland rope for the motor, valves, coupling at motor and pump joints. , supply & installation of 90 mm x 800 mm course pvc diffuser – 10 nofine diffuser epdm of 90 mm x 1000 mm, 3 cum / hr for aeration process including etc. – 30 nos for stp 300 kld plant rates includes all other charges to install completely and freight charges