Strengthening work of the existing bridge crossing CCD1 canal – development of Changi East to effect 3 runway operations at Singapore Changi Airport – package 1. Proposed Erection of A Part 2/Part 3-Storey Institutional Extendsion and Additions & Alterations to The Existing Institution of Engineers, Singapore (IES) Building MK 15 on Lot 01953A At 70 Bukit Tinggi Road (Remaining Works)