Singapore legislation
Regulation 2
of Boundaries and Survey Maps (Conduct of Cadastral Surveys) Rules 2005
Regulation 2
Definitions
Subregulation 1
In these Rules —
Definition
“existing void area”, in relation to a strata lot in a subdivided building, means any void area that is created in the strata lot under any of the following circumstances:
where, pursuant to an application for written permission submitted before 1 June 2023, development is carried out on the strata lot or to erect the subdivided building under any provisional permission or written permission granted or deemed to have been granted under the Planning Act 1998 before, on or after 1 June 2023;
where development is carried out on the strata lot that is authorised or deemed to have been authorised under section 21(6) of the Planning Act 1998, in respect of which —
the lodgment of plans is required for the authorisation; and
the plans were lodged before 1 June 2023;
where development is carried out on the strata lot that is authorised or deemed to have been authorised under section 21(6) of the Planning Act 1998, in respect of which —
the lodgment of plans is not required for the authorisation;
the written consent of the owner of the land is required; and
the written consent is obtained before 1 June 2023;
where development is carried out on the strata lot that is authorised or deemed to have been authorised under section 21(6) of the Planning Act 1998, in respect of which —
the lodgment of plans or the written consent of the owner of the land on which the subdivided building is situated is not required for the authorisation; and
the development started before 1 June 2023;
Definition
“floor area”, in relation to a strata lot in a subdivided building, means the floor area of the strata lot (whether within or outside a building, whether covered or otherwise, and whether or not enclosed) measured with reference to the boundaries of the strata lot approved in the subdivision permission granted for the subdivided building under the Planning Act 1998, and excludes any void area (whether or not an existing void area) within the boundaries of the strata lot;
Definition
“ISN” means a network of control ISN markers with ISN co‑ordinates approved by the Chief Surveyor;
Definition
“ISN co-ordinates” means a plane rectangular co‑ordinate system based on the SVY21 datum and using a transverse mercator projection with projection origin (unmarked) located at — Latitude1° 22' 00" N Longitude103° 50' 00" E Northing38744.572 m Easting28001.642 m;
Definition
“ISN marker” means a survey marker designed for integrated surveys with geographical and ISN co‑ordinates approved by the Chief Surveyor;
Definition
“ppm” means parts per million;
Definition
“strata area”, in relation to a strata lot, means —
the floor area of the strata lot; and
any existing void area within the boundaries of the strata lot approved in the subdivision permission granted for the subdivided building under the Planning Act 1998;
Definition
“strata subdivision” has the meaning given by the Land Titles (Strata) Act 1967;
Definition
“subdivided building” has the meaning given by the Land Titles (Strata) Act 1967;
Definition
“survey document” includes any plan, field book, field notes, form, sketch, computation or information recorded or derived from a survey;
Definition
“SVY21 datum” means a geodetic co-ordinate datum based on the WGS84 ellipsoid and a reference point known as BASE7 (located at Pillar 7 Lower Peirce Reservoir) with values fixed at — Latitude1°22'02.915414" N Longitude103° 49'31.975227" E Ellipsoidal Height26.824 m Reduced Level17.113 m Geoidal Undulation9.711 m;
Definition
“WGS84 ellipsoid” means a mathematical surface with the following definitions: Semi-major axis6378137.0000 m Semi-minor axis6356752.3142 m Flattening1/298.257223563 Eccentricity0.0818191908426.
Subregulation 2
Any reference to a survey document includes, unless the context otherwise requires, a reference to a survey document in electronic form.