chennai greater chennai corporation has initiated plans to reclaim the ground on which kodungaiyur dumpyard is situated for 40 years by processing the legacy waste and studing other issues such as groundwater air pollution and socioeconomic impactsaccording to gcc sources the dumpyard is spread across an area of 258 acres and gets a waste of 20002200 tonnes everyday the estimated volume of legacy waste is around 64 lakh cubic metre which is spread across four dumps there is also a sewage treatment plant inside the premises and a cement concrete road which has been laid for three km to allow vehicles to dump the garbagethe biggest issue is that the dumpyard continues to get unsegregated waste gcc has decided to have a facility to process construction and demolition waste here so that at least one part of the waste will be segregated and put to useaccording to sources the civic body has planned to identify a contractor who will conduct biomining of the legacy waste after a waste characterisation study of the legacy and dumped waste is carried out the useful inorganic waste in the dumps will be sent to recycling centres while the organic part of the soil will be used for agriculture or creating manure the civic body wants to ensure that the entire project should be economically viable and environmentally friendlythe social impact of biomining for instance on the rag pickers will also be studied by the civic bodywaste processing facilities to generate electricity is also being mulled by gccprior to the biomining gcc will be conducting a hydrogeological study to compute the flooding potential at the sites as it may impede the biomining work a baseline environmental study to determine presence of heavy metals and toxic substances in the soil water and air will be conducted this will also include an assessment of the water quality of surface water bodies in the dump sites vicinitya report will also be created to understand how best the reclaimed site can be put to use this will also include different options and technologies and space required for setting up the biomining facility