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Subchapter 18. Ship Building, Ship Repairing and Ship Breaking Safety Orders
Article 5. Scaffold Construction

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§8367. Horse Staging Interior and Exterior.


(a) No horse staging shall be more than 20 feet in height.
(b) Horse staging shall not be built up or tiered, nor shall horses over 42 inches in height be used to increase the height or obtain intermediate levels on any other type of staging. Horses on other type staging shall be adequately secured in place.
(c) Staging platforms shall comply with Sections 8361, 8362(d), (e), and (f), and 8366(a).
(d) Guardrailings and toeboards shall comply with Sections 8362(h) if building way staging, or 8366(b) if interior staging.
(e) The lateral spread of the legs shall be equal to not less than one-third of the height of the horse.
(f) All horses shall be kept in good repair, and be properly secured when used on staging or in locations where they are insecure.
(g) The minimum dimensions of lumber used in the construction of horses shall be:
Up to 10′
in height
10′ to 16′
16′ to 20′
Legs
 
2″ x 4″
3″ x 4″
4″ x 6″
Bearers or headers
 
2″ x 6″
2″ x 8″
4″ x 6″
Crossbraces
 
2″ x 4″
or
1″ x 8″
2″ x 4″
2″ x 6″
Longitudinal braces
 
2″ x 4″
2″ x 6″
2″ x 6″
(h) Horse legs shall be fastened together at the top with galvanized bolts of not less than one-half inch. Horses shall be adequately braced and all braces shall be fastened to the legs with galvanized bolts, nuts, and washers of not less than three-eighths-inch size. The bearers or headers shall be fastened at each end with not less than one bolt of an adequate size, but in no case shall the bolt be less than three-eighths-inch diameter, or equivalent.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
HISTORY
1. Amendment filed 1-22-88; operative 2-21-88 (Register 88, No. 6).
2. Editorial correction of subsection (h) (Register 2010, No. 34).

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