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REPORT, 1889-90. 125
with the position of the proposed Sewer shown
thereon; and longitudinal section of such Sewer
drawn to the same horizontal scale, and to a vertical
scale of 11 feet to an inch, with the heights from
Ordnance Datum to the invert of the proposed
Sewer figured, and the rate of inclination specified
therein. Also cross sections of the proposed Sewer,
drawn to a scale of half-an-inch to a foot, with a
statement of the thickness of the Sewer, and a
description of the materials intended to be used in
constructing the same. Such application to include
proper side entrances for examination and repairs,
air-shafts for ventilation, and gulleys for carrying
off the surface water.
2.—When it shall be intended to abandon wholly,
or in part, or to extend, contract, or alter any design
for a Sewer previously submitted to and approved
by the Vestry, seven days' notice in writing of such
intention shall be given to the said Vestry, accompanied
by plans and sections as hereinbefore
described, showing the extension, contraction, or
alteration which may be intended; and no such
abandonment, extension, contraction, or alteration,
shall be permitted without the previous approval in
writing of the said Vestry.
3.—In constructing any Sewer, all angles must
be avoided, either in changing the direction of the
Sewer, or in forming junctions therewith, and the
junctions must be formed by means of a curve, with
a radius as long as the locality will allow. The fall