1518
THE NEW ZEALAND GAZETTE.
[No. 58

with any sewer unless he shall have previously given the Clerk three days’ notice in writing of his intention to do so. Such notice to be given on Form B in Schedule hereto.

13. No person shall do any plumbing-work in connection with the drainage of any property unless he shall have been licensed by the Board as an “authorised plumber,” and shall have engaged to conform to and comply with these regulations.

14. No person shall lay any drains, or remove or alter or make any connection with the drains of any property, unless he shall have been licensed by the Board as an “authorised drain layer and connector,” shall have obtained the necessary permit, and shall have engaged to conform to and comply with these regulations.

15. The Clerk shall keep a register of all licenses of drain-connectors and plumbers issued under this by-law, and any such license may be revoked by the Board.

The licensed plumbers or drain-connectors employed on any work shall carry their licenses with them, and shall produce the same when required to do so by the person for whom the work is being performed, or by the Inspector.

In the event of any license being defaced, lost, or destroyed, a fresh license may be obtained from the Clerk on payment to him of a fee of one shilling.

All work undertaken by licensed drain-connectors or licensed plumbers under or in connection with this by-law shall be done by them personally, or by some other licensed drain-connector or plumber; but the licensed drain-connector or plumber undertaking the work shall at all times be liable to make good any defects which may arise through the carelessness or incompetence of the person actually performing the work.

Any person making use of a license which does not belong to him, or allowing his license to be used by any one else, shall be guilty of an offence, and, in addition, the license thus improperly used may be cancelled by the Board.

16. It shall not be lawful for any person other than a licensed drain-connector duly licensed under this by-law to execute any of the work hereinafter specified:—
    (a.) To lay any private drain;
    (b.) To alter, reconstruct, extend, repair, open up, or remove any private drain;
    (c.) To connect any private drain with another private drain or sewer;
    (d.) To disconnect any private drain from another private drain or sewer;
    (e.) To affix, repair, or remove any disconnecting-trap or gully-trap or other trap in connection with a private drain.

17. It shall not be lawful for any person other than a licensed plumber, duly licensed under this by-law, to execute any of the works hereinafter specified:—
    (a.) Any work in connection with the laying-on of the water to and the trapping and ventilating of the traps of urinals;
    (b.) The affixing, repairing, or removing of lead and other safes under baths, sinks, and other conveniences;
    (c.) The affixing, repairing, or removal of overflow or waste pipes connected with baths, sinks, and sanitary conveniences or appliances of any description;
    (d.) The affixing, setting-up, repairing, or removal of the ventilation-shafts required under this by-law, and the caps or cowls thereof, and the connection of the said shafts with their disconnection from drains;
    (e.) Any plumbing-work in connection with any sanitary convenience or appliance required to be provided, affixed, or set up by virtue of this part of the by-law.

18. Any and all work connected in any way with the drainage of any premises shall be executed in every respect in accordance with this by-law. All such work shall be inspected by the Inspector, and every facility shall be offered for such inspection. No underground or enclosed work shall on any account be covered up or concealed from view until the same has been duly inspected and passed by the Inspector.

The owner or his authorised agent must give notice in writing to the Clerk when any work is ready for inspection, and such inspection shall be commenced within forty-eight hours of such notification being received at the office of the Board, except when the notice is given on Friday or Saturday, when seventy-two hours’ notice must be allowed. The Inspector may apply any fair and good test to prove the thoroughness of the work done. The owner or his authorised agent shall remove or repair any defective material or work when so ordered by the Inspector.

The owner or his authorised agent shall, on the completion of the work, file in the office of the Board a ground-plan of the work done under the permit of the Board issued for the same.

19. Any drain, pipe, trap, urinal, sink, or other fitting laid, used, or constructed otherwise than in accordance with these regulations, or which shall in the opinion of the Board or the Inspector be or become of bad or defective quality, shall, upon notice in writing from the Board, be removed or repaired in the manner and within the time fixed by the Board; and the Board may, should it think fit, on failure by the person liable to perform such removal or repair, remove or repair the said defective fitting, and charge the owner or occupier of the premises with the cost incurred.

20. The drain outside a house or building shall be constructed of stoneware pipes, unless laid less than 2 ft. deep from surface to top of pipe in places liable to heavy traffic, when it shall be of cast or wrought iron. Heavy cast- or wrought-iron pipes must be used if the ground has been made up, or filled in, or adjoin a cellar.

21. No right-angled junction shall be permitted in any drain. All junctions of pipe drains shall be effected with Y junction-pipes of their respective diameters. Every branch drain shall join a main drain, and a main drain the sewer, obliquely in the direction of its flow.

22. Trenches for the drains shall be dug so as to meet the public sewers at the position of the Y branches indicated by the Board. The material thrown from the trench shall be placed so as not to obstruct, and so as to cause the least inconvenience to the public. Proper barriers and lights must be maintained on the banks of the trench, to guard the public against accident during the progress of the work. In refilling the trench the earth shall be carefully rammed so as to keep the pipe in position and avoid settling. No stone shall be used in refilling until there has been a depth of at least 2 ft. of earth placed over the pipes.

23. As far as possible all pipe-lines shall be perfectly straight. Where changes of direction or grade occur these shall be made by open manholes, or by bend pipes and inspection-openings, as directed by the Inspector.

24. The pipes must be laid with true gradients, the inclination being not flatter than 1 in 40 for 4 in. pipes, 1 in 60 for 6 in. pipes.

25. Pipe-trenches must be carefully cut in the solid ground, and must be evenly graded before the pipes are laid. They shall be of such widths as to allow of the pipes being properly jointed and to permit of thorough inspection.

26. All 4 in. stoneware pipes shall be laid on a bed of concrete composed of one part hydraulic lime and four parts of fine scoria ash. The concrete to extend the full width of trench, be 3 in. in depth below the bottom of pipes, and be brought up on each side to the centre line of pipes. All 6 in. pipes shall be similarly bedded in concrete, but where the grade for 6 in. pipes is steeper than 1 in 10 the concrete shall extend 4 in. below the bottoms of the pipes and be brought up on each side to the centre line of the pipes. All traps in the ground to have at least 4 in. of concrete under them.

27. The ends of all private drains not immediately connected with the plumbing-fixtures, also all access-openings, shall be securely closed with removable, watertight, imperishable materials. If lead pipe, the end must be soldered; if wrought-iron pipe, a plug must be screwed on the end; if cast-iron pipe, a cast-iron plug must be caulked in with lead.

28. Where roots exist their ingress to the pipes must be prevented by surrounding the pipes with 4 in. thick of cement concrete.

29. It shall not be lawful for any person to plant, keep, or continue any tree or scrub on or near any public drain laid or to be laid throughout the district that the Board consider will destroy or damage such public drains; and every owner or occupier of any premises who for seven days after notice from the Board to remove any such tree or scrub shall suffer it to remain shall forfeit, on conviction for such offence, a sum not exceeding forty shillings for every day after such conviction during which such offence shall continue.

30. The diameter of pipes shall mean the internal diameter.

31. All stoneware pipes shall be double-glazed, truly cylindrical, and of uniform bore and thickness. They shall be thoroughly sound, well burnt, and glazed, and free from blisters, scabs, cracks, and other imperfections. Taper pipes shall be used in all cases where different sizes are connected. No bend pipe shall have a smaller radius than 2 ft. at centre line.

32. All drainpipes are to be at least 4 in. in diameter unless otherwise ordered by the Board.

33. All cast-iron pipes must be sound, free from holes or cracks, and coated with tar or asphaltum. The following weights of cast-iron pipes will be accepted as standards: 4 in. diameter, 13 lb. per lineal foot; 5 in. diameter, 17 lb. per lineal foot; 6 in. diameter, 20 lb. per lineal foot.

34. All wrought-iron pipes must be of approved standard and quality, and galvanised or coated to the satisfaction of the Inspector.

35. All fittings used in connection with such pipes shall correspond with them in weight and quality.