What is a Tie-back and what is an Anchor?

There are a few variations of a Tie-back:

OSHA’s Definition: Tieback means an attachment between an anchorage (e.g., structural member) and a supporting device (e.g., parapet clamp or cornice hook).

ASME A120’s-2014 Definition: a building structure point of attachment used for securing any required tie-back ropes of transported and/or portable support equipment.

ANSI/IWCA I-14.1-2001 Definition: see anchorage.

VS. Anchorage:

OSHA’s Definition: Anchorage means a secure point of attachment for equipment such as lifelines, lanyards, deceleration devices, and rope descent systems.

ASME A120’s-2014 Definition: a secure point of attachment for personal fall arrest lifelines, lanyards, or deceleration devices, and that is independent of the means of supporting or sus-pending the user.

ANSI/IWCA I-14.1-2001 Definition: a secure point of attachment. Refer to section 3.9.