The Development Bureau has published a Technical Circular on Digital Works Supervision System (DWSS) (ref. DevB TC(W) No. 3/2020) intending to enhance the standard and efficiency of works supervision as well as the quality and safety of the works. 

Five mandate modules : 
- Request for Inspection/Survey Check (RISC) Form
- Site Diary/Site Record Book
- Site Safety Inspection Records
- Cleansing Inspection Checklists
- Labour Return Record