Australian Capital Territory Numbered Regulations

WATER AND SEWERAGE REGULATIONS 2001 (2001 NO 2) - REG 16

(1)       Each house, building or parcel of land required by the chief executive to be connected to the sewerage network must have at least 1 water closet approved by the chief executive.

(2)       The chief executive must not approve a water closet for this regulation unless the following requirements are complied with:

        (a)     if a closet pan and cistern are to be installed—a reduced-flush closet pan and a dual-flush 6/3L cistern must be installed;

        (b)     if a closet pan only is to be installed—a reduced-flush closet pan must be installed;

        (c)     if a cistern is to be installed that is connected to an existing full-flush closet pan—a separate dual-flush cistern must be installed that—

              (i)     is of at least 11L capacity; and

              (ii)     gives an effective full-flush not exceeding 10L, and for test purposes, 9L; and

              (iii)     gives an effective half-flush not exceeding 5.5L, and for test purposes, 4.5L;

        (d)     if a cistern is to be installed that is connected to an existing reduced-flush closet pan—a dual-flush 6/3L cistern must be installed;

        (e)     if a closet pan is to be flushed with water drawn from a central storage cistern installed before 1 January 1994 and—

              (i)     if the pan is a full-flush closet pan—it must be flushed with an effective full-flush not exceeding 10L and for test purposes, 9L; or

              (ii)     if the pan is a reduced-flush closet pan—it must be flushed with an effective full-flush not exceeding 10L and for test purposes, either 6L or 9L;

        (f)     if a full-flush closet pan is to be flushed—

              (i)     with water drawn from a central storage cistern; and

              (ii)     by control fittings that allow the user to decide whether to give a full-flush or half-flush;

the pan may be flushed with a half-flush of at least 4.5L and not exceeding 5.5L;

        (g)     if a reduced-flush closet pan is to be flushed—

              (i)     with water drawn from a central storage cistern; and

              (ii)     by control fittings that allow the user to decide whether to give a full-flush or half-flush;

the pan may be flushed with a half-flush of at least 3L and not exceeding 4L;

        (h)     if a central storage cistern installation is to be installed—

              (i)     reduced-flush closet pans must be installed; and

              (ii)     control fittings must be installed that automatically control the amount of water used in a way that each flush uses—

    (A)     on a full-flush—at least 6L and not exceeding 7L; or

    (B)     on a half-flush—at least 3L and not exceeding 4L.

(3)       A water closet must not be installed in a cellar or basement, except with the approval of the chief executive.

(4)       The chief executive may only approve the installation of a water closet in a cellar or basement if, before installing the water closet—

        (a)     the owner has given written notice to the chief executive that the owner will take all risk of damage that may arise; and

        (b)     the chief executive is satisfied that—

              (i)     the water closet cannot be placed somewhere else; and

              (ii)     the soil pipe can be connected into an existing sewer.

(5)       In this regulation:

dual-flush 6/3L cistern means a cistern that is at least 8L capacity—

        (a)     giving an effective full-flush not exceeding 7L and for test purposes 6L; and

        (b)     giving an effective half-flush not exceeding 4L and for test purposes 3L.

"full-flush closet pan" means a closet pan that is a full-flush pan under Australian Standard 1172.

"reduced-flush closet pan" means a closet pan that is a reduced-flush pan under Australian Standard 1172.