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169
RULES RESPECTING DRAINAGE AND OTHER
SANITARY ARRANGEMENTS TO BE OBSERVED
BY BUILDERS.
(Adopted by the Vestry on the 22nd May, 1889 )
1.—All drains and soil pipes shall, as far as possible, be
kept outside the houses.
2.—The underground drains shall be made of sound
glazed stoneware pipes, with well-fitting joints made watertight
with Portland cement or other approved material.
The main drains shall not be less than 6-in. in diameter.
3.—They shall be laid evenly with a regular gradient
from the sewer upon a bed of concrete or other suitable
solid foundation.
4.—They shall have no sharp curves; and especially
any portion that may be situated under the house shall be
laid, where practicable, in a direct line and without
junctions.
5.—The main drain shall, where desirable, be disconnected
from the sewer by an approved Interceptor.
6.—The drains shall, where practicable, be ventilated
by a fresh air inlet placed in the main drain as near as
possible to the Interceptor, and by outlet shafts of not less
than 3-in. in diameter, prolonged directly upwards from the