3 1 5 4 6 Phase 1 Works 26 th July 2010 to 15 th October 2010 – 12w Phase 5 Works 1 st August 2011 to 26 th August 2011 – 5w Phase 2 Works 18 th October 2010 to 17 th December 2010 – 9w Phase 6 Works 25 th June 2012 to 03 rd August 2012 – 6w Phase 3 Works 20 th December 2010 to 18 th March 2011 – 9w Phase 4 Work 21 st March 2011 to 29 th July 2011 – 19w 2 UNIVERSITY of DURHAM - SCIENCE SITE ENVIRONMENTAL IMPROVEMENTS UNIVERSITY of DURHAM - SCIENCE SITE ENVIRONMENTAL IMPROVEMENTS REV.10 11/06/2010