tender for comprehensive overall repair of existing system at stp, operation and maintenance effluent quality monitoring system at 3.00 mld stp tosham for online (continuous) measurement of ph, total suspended solids (tss), chemical oxygen demand (cod), biological oxygen demand (bod)by single analyzer with various sensors (spectral measurement in the uv-vis range performing reagent and chemical free analysis with automatic cleaning of sensor / analyzer, signal cables complete in all respect as per central pollution control board (cpcb) guidelines for online continuous monitoring system for effluents and as contained in scope of work in nit complete in all respect (contractor must visit and check existing analyzer installed at stp premises and whole repair/replacement to be included in this work with hspcb and cpcb data online transfer (for the period of 5 years from date of commencement)