Tender For corrigendum : supply of house keeping work , gardening , washrooms cleaning service , grass cutting work , extra job of providing housekeeping for audit, inspections , cleaning of all drains and vapour seal traps inside plant premises , sweeping and cleaning of all internal roads and pathways inside the plant , quarterly cleaning of drinking water tanks and cleaning of drinking water camphers , quarterly cleaning of septic tanks by sewer suction machine , spraying of pesticide and mosquito repellent spray with consumables , arrangement of tractor trolly with manpower per trip