Nov. 21.] THE NEW ZEALAND GAZETTE. 3343

(2) Where poles are used they shall be not less than 4 in. in diameter at butt and 2½ in. at tip. Where practicable, standards shall be embedded in the ground or otherwise made solid at the foot to the satisfaction of the Inspector.

(3) Ledgers shall be of timber not less than 6 in. by 2 in., or, if poles are used, they shall be not less than 3½ in. in diameter, and shall be tied or bolted to the standards at spaces of not more than 6 ft. apart. The lowest ledger shall not be fixed more than 10 ft. from the bottom of the standards.

(4) Putlogs shall be of approved timber. Where the span does not exceed 5 ft. in the clear the size shall be not less than 3 in. by 3 in., spaced not more than 6 ft. apart, and shall have not less than 4½ in. bearing in wall. All putlogs shall, where practicable, be securely wedged in position at the wall, and securely fastened to the ledger. Only alternate putlogs may be removed from the lower stages until the scaffolding is finished with; where it is not practicable to wedge putlogs, every alternate ledger shall be secured to the wall by hoop-iron ties every 10 ft.

(5) Scaffolding-boards shall be of sound timber, and not less than 8 in. wide and 1½ in. thick, laid butting or lapping; but where lapped, the laps shall be not less than 9 in.

(6) All working-stages shall have fender-boards not less than 1 in. thick, carried from the floor to the height of any loose material that may be stacked on the working-stage, and securely fixed to standards.

(7) There shall also be a guard-rail fixed not less than 3 ft. high, of timber not less than 3 in. by 2 in., lashed or bolted to standards. Openings through guard-rail and fender-board shall be allowed alongside landings only.

(8) Bracing shall be not less than 4 in. by 2 in. Poles or other approved timber may be used and placed to the Inspector’s satisfaction.

(9) Scaffolding shall be secured 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.

(10) Lashings shall be kept tight and properly wedged; all bolts shall be tightened from time to time.

(11) Where an external scaffolding is to be used for plasterers’ work only, the standards may be spaced not more than 10 ft. apart, ledgers to be not less than 4 in. diameter butt and 2½ in. taper end, or 4 in. by 3 in., or 6 in. by 2 in., and spaced to suit the particular class of work, such spacing to be to the satisfaction of the Inspector. Bracing shall be not less than 4 in. by 2 in.

(12) Where the work does not exceed 16 ft. in height, trestles or slip-heads of rigid construction may be used in lieu of standards.

EXTERNAL SCAFFOLDING ON TIMBER-FRAMED BUILDINGS.

16. All external scaffolding for carpenters and other workers (except plasterers and bricklayers) on timber-framed buildings shall be constructed and maintained according to the following specifications, namely: Standards up to 20 ft. in height to consist of not less than 4 in. by 2 in. timber; beyond this height, of not less than 4 in. by 3 in. timber for the first 15 ft., and thereafter of 4 in. by 2 in. timber. Standards shall be not more than 9 ft. apart. Where practicable, standards shall be embedded in the ground or otherwise made solid at the foot to the satisfaction of the Inspector. Bearers and cleats shall be not less than 8 in. by 1 in., well nailed to walls and standards. Such scaffolding shall be well braced with not less than 6 in. by 1 in. braces, well nailed. Approved wooden or iron brackets placed not more than 9 ft. apart may be used. Such brackets shall be so constructed as to bear three times the maximum weight required.

17. All external scaffolding for plasterers and bricklayers on timber-framed buildings shall be constructed and maintained according to the specifications set out in Regulation 15 hereof relating to buildings other than timber-framed buildings.

INTERNAL SCAFFOLDING FOR BRICKLAYERS AND CONCRETE-WORKERS.

18. (1) Internal scaffolding for bricklayers and concrete-workers shall be constructed and maintained in a similar manner to the external scaffolding, and with timber of similar sizes. Trestles approved by the Inspector may be used in place of standards up to 16 ft. in height.

(2) The standards may be dispensed with when the internal or division walls form sufficient bearing for ledgers. The distance between such bearings shall not exceed 8 ft.