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Pre-construction Survey

Before demolition, piling or foundation works, tunnelling works or site formation works, you must carry out a pre-construction survey to establish the condition of existing buildings and structure that are adjacent to or near your building works.

How to carry out the survey

Find out the minimum zones of pre-construction survey to be conducted for various project types in the Guidelines on Pre-construction Survey.

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CWRS

The Construction Workforce Registration System (CWRS) is an online portal for CoreTrade and Multi-skilling registration and the renewal of Direct R1 eligibility.

Online Registration for Verification System

ORV allows you to register the workers for Identity Verification and check your registration status online.

Online PTO System

Lift and escalator owners, contractors and Authorised Examiners (AEs) can apply for and view applications for Permit to Operate (PTO) here.