scope:

Equipment covered.

This standard applies to Mast Climbing Work Platforms that are primarily used to position personnel, along with their necessary tools and materials, to perform their work. (See Figure 1 on page 20 for typical examples of equipment covered.) Platforms may be adjustable by manual or powered means.

Equipment not covered.

This standard does not apply to the equipment listed below:

a) Ladder and ladder stands such as those covered in American National Standards for Ladder and Ladder Stands. ANSI A 14 series.

b) Scaffolding such as those covered in American National Standard for Construction and Demolition Operations - Scaffolding - Safety Requirements, ANSI A 10.8-1988.

c) Vehicle-mounted elevating and rotating aerial platforms such as those covered in American National Standard for Vehicle-Mounted Elevating and Rotating Aerial Devices, ANSI/SIA A92.2- 1990.

d) Non self-propelled elevating aerial platforms such as those covered in American National Standard for Manually-Propelled Elevating Aerial Platforms, ANSI/SIA A92.3-1990.

e) Self-propelled elevating aerial platforms such es those covered in American National Standards for Boom-Supported Elevating Work Platforms, ANSI/SIA A92.5-1992.

f) Self-propelled elevating aerial platforms such as those covered in American National Standard ANSI/SIA A92.9 -1993 for Self-Propelled Elevating Work Platforms, ANSI/SIA A92.6-1990.

g) Safety requirements for airline ground support vehicle-mounted vertical lift devices, American National Standard for Airline Ground Support Vehicle-Mounted Vertical Lift Devices, ANSI/SIA A92.7-1990. h) Vehicle-Mounted Bridge Inspection and Maintenance Devices, ANSI/SIA A92.8-199X.1

i) Suspended Powered Platforms for Exterior Building Maintenance, ANSI A120.1-1992.

j) Vertically adjustable equipment used primarily to raise and lower materials and eqUipment from one elevation to another such as American National Standards in the A 17 and B56 series.

k) Fire-fighting equipment such as that covered in American National Standard for Automotive Fire Apparatus, ANSI/NFPA 1901-1985.

I) Construction and demolition operation/digger derricks such as those covered in American National Standard for Construction and Demolition - Digger Derricks - Safety Requirements, Definitions and Specifications, ANSI Ai 0.31- 1987.

Purpose

This standard applies to Mast Climbing Work Platforms to achieve the following objectives:

a) Prevention of personal injuries and accidents.

b) Establishment of criteria for design, manufacture, performance, inspection, training, maintenance, testing and operation.

c) Establishment and understanding by designers, manufacturers, dealers, owners, operators, users, lessors, and lessees of their respective responsibilities.