1. A. A crane with variable angle booms shall be equipped with a boom angle indicator, readily visible to the operator.
2. B. A crane with telescoping booms shall be marked or equipped with a device to indicate clearly to the operator at all times the boom's extended length.

3. C. Except for an electric crane, the load line hoist drum shall have a system or device on the power train, other than the load hoist brake, that:

   1. (1) Regulates the lowering rate of speed of the hoist mechanism; and
   2. (2) Prevents free fall.
4. D. An electrical crane shall meet the requirements of 29 CFR §1910.179(f)(1), (2), and (3)(ii).

5. E. Damage Prevention Device. A crane and hoist shall be equipped with a:

   1. (1) Positive acting device, such as anti-two block, which prevents contact between the load block or overhaul ball and the boom tip; or
   2. (2) System, such as a two block damage prevention feature, which deactivates the hoisting action before damage may occur to the load block, overhaul ball, or boom tip.

Authority: Labor and Employment Article, §§2-106(b)(4) and 5-312, Annotated Code of Maryland

Effective date: May 14, 1990 (17:9 Md. R. 1089)