Singapore legislation
Regulation 4
of Sewerage and Drainage (Sanitary Works and Sewerage Works) Regulations
Regulation 4
Permission to work in public sewerage system
Subregulation 1
Notwithstanding that a clearance certificate or the approval of the Board has been obtained under section 33 of the Act in respect of any sanitary works, no person shall enter the public sewerage system to carry out such works except with the prior permission of the Board.
Subregulation 2
The Board may, in granting any permission under paragraph (1), impose such conditions as it thinks fit.