Guidelines for Sanitary & Plumbing / Gas Works
 

The table below shows the list of Sanitary & Plumbing / Gas Works that do not require permit. You may also wish to view the Technical Terms and Conditions for Sanitary & Plumbing / Gas work.

    Types of Sanitary & Plumbing / Gas Work
Subject to the following Guidelines / Conditions
    Replacement of existing sink with stainless steel/enamelled type and wash basin with coloured type
Not applicable.
    Reposition of kitchen sink supported by 63mm thick hollow walls with tiles finishes
  • Thickness of dapoh slab inclusive of finishes should not exceed 50 mm.
  • Floor slab must not be tampered with.

    Repositioning of sink/wash basin
  • Floor slab must not be tampered with.

    Installation of shower screen
    Replacement of existing PVC pipe with copper/stainless steel pipe
Not applicable.
    Re-diversion of sink waste pipe
  • Pipe must not be embedded in floor slab.
  • Pipe is allowed to be embedded within floor finishes.

    Enclosure/encasement of service ducts/pipings (excluding gas pipe) using lightweight non-combustible materials
  • Need to provide minimum removable access opening of 600 mm x 600 mm for inspection and maintenance.

    Enclosure/encasement of gas riser pipe using lightweight non-combustible materials
  • Need to provide a fully ventilated removable access (600 mm width and full height from ceiling to floor) for inspection and maintenance of gas riser pipe.

Points to note:
  • All gas riser pipes including riser branch pipe (before sub-meter) must not be tampered with.
  • All gas pipes must NOT be embedded in the common partition walls.
  • Gas Pipes are NOT allowed in bedrooms. Space with gas pipes are therefore not allowed to be converted to bedrooms.
  • All gas pipe alteration works must be carried out by City Gas Pte Ltd or a Licensed Gas Service Worker.

    Relocation of gas meter
  • Works must be carried out by City Gas Pte Ltd.
  • Need to comply with SCDF’s guidelines.
    Removal of gas branch pipe (after sub-meter)
  • A 100 mm length of gas pipe protruding from the wall into the kitchen must be maintained and capped when not in use.
  • Works must be carried out by City Gas Pte Ltd or a Licensed Gas Service Worker.
    *Concealed waste/water pipes in floor finishes/wall
  • Floor slab and wall must not be tampered with.

    *Concealed air-conditioner discharge pipe in floor finishes
  • Floor slab must not be tampered with.
  • The pipe must be concealed within the floor finishes only.

    Installation of long bath
  • Void area beneath long bath is not allowed to be filled with cement mortar or anything. There must be a void beneath.
  • Provide inspection opening for future maintenance.
  • Floor slab must not be tampered with.
  • Extension of toilet to accommodate the long bath is not allowed.

    Installation of shower tray
  • Void area beneath shower tray is not allowed to be filled with cement mortar or anything. There must be a void beneath.
  • Floor slab must not be tampered with.

    Replacement of squat pan with new squat pan or pedestal pan with new pedestal pan
Not applicable.
    Installation of pedestal/squat pan at wash area on lower floor of executive maisonette
  • Hacking of holes on the existing floor slab is not allowed.
  • The installation details for pedestal pan shall be in accordance with the sketch in the A & A guidelines.
  • The installation details for squat pan shall be in accordance with the sketch in the A & A guidelines.

    Replacement of squat pan to pedestal pan
  • Hacking of holes on the existing floor slab is not allowed.
  • The installation is to follow the sketch according to A & A guidelines (see sketch Drawing 5).

    Replacement of pedestal pan to squat pan
  • Hacking of holes on the existing floor slab is not allowed.
  • The minimum ceiling height from this finished raised floor slab should not be less than 2.2 metres.
  • The installation is to follow the sketch according to A & A guidelines (see sketch Drawing 6).

    Removal of surface-run water pipes
  • Compliance with PUB's requirements.
  • Engage a Licensed Water Service Plumber for the works.

    Removal of surface-run portion of the concealed hot and cold water pipes
  • Compliance with PUB's requirements.
  • Engage a Licensed Water Service Plumber for the works.
  • The pipes are to be terminated with compression fitting capping with at least 50 mm length protruding from the wall.

    Installation of SPA pool
  • SPA pool must be purchased ready-made from the market.
  • Construction of SPA pool using bricks/hollow blocks is not allowed.
  • SPA pool is to be installed only within bathroom/toilet originally provided by HDB.
  • Total weight inclusive of SPA pool, water, motor and other accessories must not exceed 400 kg.
  • Floor slab must not be tampered with.
  • Provide proper water drainage for SPA pool.

    Installation of gas water heater/gas oven
  • Compliance with City Gas Pte Ltd's requirements.
  • Engage a Licensed Gas Service Worker (LGSW) for the works.
  • Outdoor installation is subject to HDB's approval.


* Such work is discouraged as it may cause water leakage to lower floor unit if the work is not properly carried out.
Last Updated on 28 Aug 2014