Singapore legislation
Regulation 77H
of Civil Aviation Authority of Singapore (Changi Airport) By-laws 2009
Regulation 77H
Measures to protect underground installations
Subregulation 1
An earthworks permit holder who carries out any earthworks within the airport must establish and implement measures for the prevention of damage to underground installations during those earthworks.
Subregulation 2
Without limiting paragraph (1), the measures include ensuring that any earthworks in the vicinity of any known underground installation are supervised by both a registered earthworks supervisor and a licensed cable detection worker, unless the airport licensee otherwise allows.
Subregulation 3
In this by-law, “registered earthworks supervisor” means a person who is registered as an earthworks supervisor with an electricity licensee within the meaning given by section 2(1) of the Electricity Act 2001.