
- Housing Authority Safety Auditing System (HASAS) version 1.8
- Housing Authority Safety Auditing System for Maintenance and Improvement Works Contracts – HASAS(M&I) version 1.4
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Housing Authority Lift and Escalator Nominated Subcontracts Safety Auditing System (HALENSAS) Version 1.4
- Checklist for Nominated Subcontractors/ Specialist Subcontractors