The proposed modernisation project will be carried out within the existing airport premises over an area of 1301.28 acres.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/chennai%E2%80%99s-rs-2476-crore-plan-expand-its-airport-gets-environmental-clearance
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t
[5] http://admin.indiaenvironmentportal.org.in/thesaurus/environment-clearance-ec
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/central-expert-appraisal-committee-ceac
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment