*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
2019 Highline Residences Harvestland Development Pte Ltd Harvestland Development Pte Ltd Tiong Aik Construction Pte Ltd >=95 60% 91.5 Excellent
2018 Marine Blue CapitaLand Ltd Capitaland Ltd Tiong Aik Construction Pte Ltd >=95 96% Star
2017 Riversails Allgreen Properties Ltd Allgreen Properties Ltd Tiong Aik Construction Pte Ltd 95.9 98% Excellent
2017 The Skywoods Bukit Timah Green Development Pte Ltd Bukit Timah Green Development Pte Ltd Tiong Aik Construction Pte Ltd 95.7 93%
2015 The Sorrento Allgreen Properties Ltd Allgreen Properties Ltd Tiong Aik Construction Pte Ltd 94.4 66% Excellent
2014 Foresque Residences Wing Tai Holdings Ltd Wing Tai Holdings Ltd Tiong Aik Construction Pte Ltd 92.2 36%
2014 Nouvel 18 City Developments Ltd (CDL) City Developments Ltd (CDL) Tiong Aik Construction Pte Ltd 95.9 94% Star