2210 ORDINANCE No. 24 OF 1887 .
Public Health.
the office of the Board , or in the case of the villages -at any Village Police Station,
between the hours of 10 A.M. and 4 P.M.
Nature of
notices. 2. Every such notice shall specify the name of the street , the number of the lot
and the number of the house if any, which it is intended to drain and shall be accom
panied by a plan in duplicate of the premises drawn on a scale of not less than twenty
feet to the inch, and such plan must show the whole of the new drains with their
proposed sizes figured thereon , and a section or sections showing the proposed falls or
inclination and drawn to the same scale and to a vertical scale of not less than ten feet
to the inch . The plan must also show the position and course of all proposed surface
gutters.
Except that in case of suburban lots which cannot be conveniently included within
a plan of ordinary dimensions, when the lot and the out-fall drain may be shown on a
scale of not less than one hundred feet to the inch.
Approval of 3. Within seven days after receipt of the notice, the sanitary surveyor shall , by
plans, &c.
means of a written communication , in English or Chinese as may be necessary, inform
the person who has given the said notice whether his designs and proposed mode of
construction are approved or disapproved, and in case of disapproval such modifications.
or improvements as may be requisite in order to comply with the provisions of Ordi
nance No. 24 of 1887 and of any bye-laws made thereunder shall be indicated in detail
to such person by the sanitary surveyor, and it shall not be lawful for such person to
commence the new drains until the approval thereto of the sanitary surveyor shall
have been previously obtained by him, and in the case of such approval one copy of
the deposited plan shall be returned to him, and the remaining copy shall remain filed
in the office of the sanitary surveyor.
NOTE.-The approval of plans conveyed by the sanitary surveyor under this bye-law certifies
simply to the fact that the plans are in accordance with the Fublic Health Ordinance and with the
bye-laws made thereunder but signifies no approval of the sufficiency or otherwise of the plan and
throws no responsibility on the Board.
Lighting excava 4. Any person carrying out excavations for new drainage works on any premises
tions, &c.
contiguous to a public thoroughfare whereby the safety of the public may be jeopard
ized , shall light such excavations by means of a lantern or lanterns kept lighted through
the night, and he shall further provide watchmen , erect hoardings and otherwise take
such precautions as may be necessary for securing the safety of the public and the
protection of adjoining properties.
Materials and 5. House-drains shall be made of impervious materials with smooth internal
jointing.
surfaces, such as well glazed earthen-ware pipes or cast-iron pipes protected against
rust or corrosion by suitable asphaltic coating. The drains shall be so constructed as
to be water or air-tight . In jointing pipes with cement, tarred-hemp shall be caulked
into the joint before the cement is applied, and care shall be taken that no cement or
other jointing material projects from the joints into the interior of the pipes ; and
any such projecting material or other irregularities in the bore of the drain shall be
carefully removed.