bids are invited for and 4 as per boq and specification supply of equipment required for ocems and data transfer to cpcb rspcb via data logger and installation and commissioning for 01 sampling locations as per specification. , interconnecting data logger through npcil lease line internet circuit through laying ofc from 01 sampling point -ocems- to om building as per specification , data transfer to cpcb spcb via data logger -including data logger-calibration of analyser -quarterly for 1 year- for 1 sampling location as per specification , data transfer to cpcb spcb via data logger and calibration of analyser - 4 visit in a year- for 1 location as per specification , data transfer to cpcb spcb via data logger and calibration of analyser - 4 visit in a year- for 1 location as per specification , data transfer to cpcb spcb via data logger and calibration of analyser - 4 visit in a year- for 1 location online continuous effluent monitoring system for raps 3 total quantity : 21