3364

THE NEW ZEALAND GAZETTE.

[No. 86

INTERNAL SCAFFOLDING FOR PLASTERERS, PAINTERS, AND OTHER WORKERS NOT OTHERWISE PROVIDED FOR.

19. (1) Where the height of the scaffolding intended for the use of plasterers, painters, and other workers not otherwise provided for exceeds 16 ft., such scaffolding shall be constructed and maintained of standards of not less than 4 in. diameter at the butt end, 2½ in. at the taper end, or 4 in. by 2 in. if other approved timber, placed not more than 9 ft. apart: Provided that where the height of scaffolding intended for the use of painters does not exceed 20 ft., standards of not less than 4 in. by 2 in. may be used. Ledgers to carry the platform of scaffolding shall be 6 in. by 2 in. if sawn timber; if of round timber they shall be of similar size to the standards, and shall be secured to the standards by manila rope not less than 1½ in. in circumference, or by bolts not less than ½ in. in diameter and fitted with washers, or by iron clamps not less than ⅝ in. in diameter.

(2) Scaffolds of 16 ft. and under shall be erected with standards or trestles to the satisfaction of the Inspector.

(3) Trestles, step-ladders, or easels passed by the Inspector, and fitted with an approved appliance to prevent spreading, may be used in place of standards. Trestles shall be constructed to have the legs spread each way.

BRACKET SCAFFOLDING.

20. (1) Iron brackets used on wooden buildings shall be of a type approved by the Inspector; such brackets shall be securely fastened by screwing the eye-bolts into the studs to the shoulder. Guard-rails 3 ft. high shall be provided.

(2) Eye-bolts shall comply with the following specifications:—
(a) To be constructed of mild steel:
(b) The length of the screw shall be not less than 3½ in., and shall be “Standard ¾” coach-screw thread:
(c) The head of the bolt shall be 3 in. long and not less than 1⅜ in. wide by ⅝ in. in thickness and slotted to receive the bracket; the slot to be 1⅜ in. by ½ in.:
(d) To be stamped with the letters “Maximum Load 6 cwt.”

LADDERS.

21. (1) All ladders shall extend at least 3 ft. 6 in. above the highest level served.

(2) All ladders shall be constructed of clean approved timber suitable for the purpose. Where square timber is used, the stiles shall be not less than equivalent to 3 in. by 2 in. timber for ladders up to 16 ft. in length, for ladders from 16 ft. to 25 ft., 4 in. by 2 in., and for longer ladders, 5 in. by 2 in., and may be tapered: Provided that stiles of such smaller dimensions as may be approved by the Inspector may be used if strengthened with a No. 8 B.W.G. galvanized wire securely fixed for the full length at the back of the stiles.

(3) The battens shall be not less than 2½ in. by 1 in., partly sunk into the stiles and firmly nailed or screwed, and, if nailed, to be wired to the stiles.

(4) All ladders when in use shall be secured to the satisfaction of the Inspector, and where used in streets or other places where moving bodies may come into contact with them proper safeguards shall be made to prevent them from being knocked down.

(5) The splicing or joining together of ladders shall not be permitted, except that a small ladder may be joined to a larger ladder in any special case authorized by the Inspector.

(6) Extension ladders of approved type may be used with the consent of the Inspector.

GENERAL.

22. (1) When any building-work is being carried on it shall be the duty of the owner or person in charge to make provision to the satisfaction of the Inspector for the protection of workmen and others within such building or in the vicinity thereof by boarding over the joists of such building and keeping them so boarded over for so long as any risk of accident would be incurred by the removal of such protection.

(2) Where the work abuts on any thoroughfare it shall be the duty of the owner or person in charge to provide protection for passers-by to the satisfaction of the Inspector.

(3) All runs, gangways, or similar means of communication between different portions of scaffolding or buildings shall be not less than three planks wide, and all such planks shall be fastened together in such a manner as to prevent unequal sagging, and if the Inspector so directs shall be protected with guard-rails.