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within the cartilage thereof, and as near a, may be practicable to the point at which such
drain may be connected with the sewer. Unless absolutely unavoidable, no disconnecting syphon.
or shaft covering can be permitted in the footway of any street.
14. Inspection Chamber.—Immediately above the disconnecting trap, and at other points
upon the line of drain, as directed by the Surveyor, suitable inspection chambers shall be constructed,
provided with air tight covers.
15. Junctions.—Junctions of branch drains shall in no case be made at right angles, but
with proper junction pipes, having the branch pipe formed on them at an angle of 45 to 60
degrees, with the main drain in the direction of the flow; no cutting of pipes will be sanctioned,
and no vertical right angle junction will be allowed except as inspection shafts, or for ventilation
purposes, nor shall a junction inlet be connected with the drain in that portion which is
beneath any house.
10. Rain Water, Bath-waste, etc.; Disconnection.—Rain water pipes, bath wastes, and all
wastes from sinks, hydraulic lifts, or other business appliances shall deliver outside the building
on to open trapped gullies, or if they must of necessity be within the building, on to special
interceptors approved by the Vestry, which must in every case be connected to the drains,
and all inlets to the drains shall be properly trapped, except those inlets used for the purpose
of ventilation.
The waste pipes should be protected by a syphon or other suitable trap to prevent a current
of air passing through the pipe into the interior of the house. "Bell" traps will on no account
be allowed.
17. Soil Pipes.—Soil pipes placed vertically shall be of cast iron, not less than ¼ in. thick,
coated inside and outside with Dr. Angus Smith's patent varnish and jointed with molten lead
and gaskin, or of drawn lead, weighing not less than seven lbs. per square foot.
They shall be of an internal diameter of 4 in. and placed outside the house or building and in
every case extended full bore up to and above the eaves, finished with wire guard covering, at Such
a height as to be not less than 3 ft. above any window within 20 ft. of the same, so as effectually
to prevent any escape of foul air into any building in the vicinity thereof. Soil pipes are not to
be used as rain water pipes.