Singapore legislation
Regulation 77I
of Civil Aviation Authority of Singapore (Changi Airport) By-laws 2009
Regulation 77I
Reportable incidents relating to underground installations, etc.
Subregulation 1
Paragraph (2) applies if an incident involving any underground installation or underground service occurs during the carrying out of any earthworks within the airport and the incident causes or is likely to cause —
loss of life or serious injury to any person; or
damage to any underground installation or disruption to any underground service.
Subregulation 2
The earthworks permit holder concerned must —
immediately report the incident (and the location of the incident) at the following places:
the fault reporting centre of the Authority;
the fault management centre of the airport licensee;
inform the following persons of the incident (and the location of the incident) as soon as reasonably practicable:
the installation owner concerned;
the service supplier concerned;
any person responsible for the maintenance of the underground installation concerned; and
carry out any rectification works to the underground installation concerned that the airport licensee may require.
Subregulation 3
If the incident involves any damage to an underground installation, the earthworks permit holder must —
provide any assistance to the airport licensee that the airport licensee may require for the purpose of investigating the damage and the circumstances leading to the damage; and
prepare, and submit to the airport licensee, a report of the incident in the form specified by the airport licensee.
Subregulation 4
A report mentioned in paragraph (3)(b) must include any proposed mitigation measures to prevent future recurrences of the incident if the airport licensee so requires.