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2. The House Drain shall not be less than 6 inchc9 in diameter.
3. The House Drain shall be made of good sound and well
glazed pipes without break or crack, and fitting well into the
flange.
4. The joints of the House Drain shall be secured with Portland
Cement and Sand.
5. The House Drain, in that portion of it which is beneath the
House, shall be laid upon a bed of concrete of not less than
6 inches in thickne-s, the concrete shall be laid upon a firm
foundation.
6. No junction inlet shall be connected with the drain in that
portion of it which is beneath the House.
7. The fall of the House Drain Khali not be less than half-inch
in each pipe, ever)- pipe having an equal gradient.
8. The drain, in that portion of it which is beneath the House,
shall be laid evenly and without curve.
9. The House Drain shall be ventilated by means of an inlet
and an outlet shaft connected with the Drain extern.il to the walls
of the House.
10. The terminal ends of the Ventil.uing Shafts shall not be
placed near windows, chimneys, cistern or roof gutters.
11. When practicable, the outlet Shaft shall be a continuation
upwards of the soil pipe, and shall be carried to the apex of
the roof.
12. The Ventilating Shafts shall not be less than 4 inches in
diameter, and shall be constructed without sharp curves or angles.
13. No waste pipe, sink pipe, or stack pipe shall be connected
with the drain, they shall be made to open over or into a side inlet
of an earthenware trap, placed external to the walls of the House.
14. A Syphon shall be fixed between the pan of the w.c. and the
soil pipe.
15. I he soil pipe shall be carried down outside the House, and
connected to the drain outside the House.