outriggers are used, they shall be of 8 in. by 4 in. V.D.L. or other
approved timber properly lashed and weighted.

(3.) The platform shall not be less than 18 in. in width. Each
swinging-stage 18 ft. or less in length shall have two hangers of
wrought iron or mild steel of not less than $\frac{3}{4}$ in. diameter, or of 4 in.
manila rope, or $1 \frac{3}{4}$ in. steel-wire rope, fitted to the satisfaction of the
Inspector; the distance between the hangers shall be not more than
12 ft. Where the stage exceeds 18 ft. in length, and the distance
between the hangers exceeds 12 ft., the planking shall be stiffened
with an approved truss underneath, and all other parts shall be of
such stronger construction as may be directed by the Inspector.

(4.) The guard-rail shall be of 1 in. pipe or of timber not less in
strength than 3 in. by 2 in., securely fastened not less than 3 ft. from
the floor of the stage. There shall also be a fender-board not less
than 4 in. by 1 in. on the outside and at both ends.

TRIPOD GANTRIES.

4. Every gantry not exceeding 100 ft. high for a steam or other
   crane to lift a weight of not less than 5 tons and not exceeding 10 tons
   shall be constructed as follows :-

The legs shall be not less than 6 ft. square on plan, and shall be
constructed with 6 in. by 6 in. corner posts extending the full height
of the gantry, and shall be properly fish-plated and bolted at junctions, and firmly tied together with 6 in. by 3 in. transoms not more
than 8 ft. apart, and braced on each side with 6 in. by 3 in. braces
firmly bolted to corner posts.

The king-leg shall have a centre standard of timber not less than
10 in. by 10 in. extending the full height, and firmly fish-plated at
junctions, and stiffened at not less than 8 ft. intervals with stays not
less than 4 in. by 2 in. to corner posts.

The queen-legs shall have a centre standard of timber not less than
8 in. by 8 in. extending the full height, and firmly fish-plated at
junctions, and stiffened at not less than 8 ft. intervals with stays not
less than 4 in. by 2 in. to corner posts, or instead of such standard
shall have a 3 in. wire rope or $\frac{7}{8}$ in. short-linked chain tightly stretched
between sleeper-plates and sleepers of crane. Sleeper-plates shall be
not less than 9 in. by 9 in., and each centre under the queen-legs
shall have a platform at the bottom formed of 3 in. timber firmly
fastened to sleeper-plates, and loaded with a weight equal to three
times the weight the crane has to lift.

The legs shall be connected by trussed beams and braces of timber
not less than 9 in. by 3 in. to the satisfaction of the Inspector.

A tripod gantry exceeding 100 ft. high, or designed to lift weights
over 10 to 15 tons, shall be constructed of such heavier timber and
in such manner as the Inspector may direct.

Other gantries may be erected as approved by the Inspector.

HAND CRANES, DERRICKS, ETC.

5. All cranes, derricks, hoists, lifts, or any such similar gear shall,
   after erection and before being put into commission, be tested with a
   load of 50 per centum more than that which the crane or derrick is
   designed to lift; and every hand crane shall have marked in a prominent position the maximum load which the crane is designed to
   lift. Such test shall be made in the presence of the Inspector.

Each back stay of any crane shall be loaded with a weight equal
to at least three times that which the crane has to lift. Fish-plates
shall be continued the full length of the back stay or connected with
a 1 in. steel rod.

All crab-winches and hand derrick-cranes shall be fitted with
safety catches approved by the Inspector, and shall not be used unless
the catches are in working-order.

Lifts must be fitted with an automatic catch to prevent the moving
of platform while loading or unloading.

EXTERNAL SCAFFOLDING FOR BRICKLAYERS, PLASTERERS, STONE-

SETTERS, AND CONCRETE WORKERS.

6. Scaffolding for bricklayers, plasterers, stonsetters, and concrete
   workers shall be constructed as follows:-

Standards shall be not more than 9 ft. apart. Up to 25 ft. high
they shall be of timber not less than 4 in. by 3 in., up to 50 ft. high of
timber not less than 5 in. by 3 in. throughout, and above that height
not less than 6 in. by 4 in. throughout. Where poles are used the