*Percentile Ranking - Developer/Contractor may be subjected to higher sampling under the 3-Tier CONQUAS scheme for their future private housing projects, as long as they have private housing projects with CONQUAS score below the bottom 10th percentile in the immediate past 3 years.

Year Project Developer Project Developer Contractor CONQUAS Score Percentile Rank 2019 Private Housing AverageQM Rating
2014 368 Thomson City Developments Ltd (CDL) City Developments Ltd (CDL) Dragages Singapore Pte Ltd >=95 100% 91.5 Star
2014 The Glyndebourne City Developments Ltd (CDL) City Developments Ltd (CDL) Tiong Seng Contractors (Pte) Ltd 97.0 98% Star
2014 Buckley Classique City Developments Ltd (CDL) City Developments Ltd (CDL) Unison Construction Pte Ltd 95.1 76% Star
2014 Nouvel 18 City Developments Ltd (CDL) City Developments Ltd (CDL) Tiong Aik Construction Pte Ltd 95.9 94% Star
2014 Blossom Residences City Developments Ltd (CDL) City Developments Ltd (CDL) Dragages Singapore Pte Ltd 95.2 80% Excellent