Rope access is a work-at-height method in which trained, certified technicians use two independent rope systems, a working line and a backup safety line, to reach, position at and work on hard-to-access structures.
Rope access is a method of reaching and working at height in which trained technicians use ropes, harnesses and specialized hardware to move up, down and across a structure and to hold themselves in position while they work. It is used on building facades, bridges, dams, wind turbines, offshore platforms, industrial plants and other places where scaffolds, lifts or platforms are impractical.
The defining feature of rope access is the use of two independent rope systems. One line is the working or access line that supports the technician. The second is a backup or safety line with its own anchor and a separate device that will catch the technician if the primary system fails. ANSI/ASSP Z459.1-2021, Safety Requirements for Rope Access Systems, describes these as the access system and the backup system.
Rope access is both a means of access and a form of fall protection. It depends heavily on training, supervision and a ready rescue plan.
The Industrial Rope Access Trade Association (IRATA International) publishes a code of practice and a training, assessment and certification scheme. Technicians are graded in three levels:
The Society of Professional Rope Access Technicians (SPRAT) was founded in the mid-1990s in North America. It publishes safe practices and certification requirements for employers using a two-rope system. Its levels are Level I (Rope Access Worker), Level II (Rope Access Lead Technician) and Level III (Rope Access Supervisor).
ANSI/ASSP Z459.1-2021 sets out accepted practices for rope access work in the United States, including program management and the roles of qualified, competent and authorized persons. Internationally, ISO 22846 also addresses rope access systems.
In US general industry, OSHA's rules for rope descent systems used in building maintenance, such as window cleaning, are at 29 CFR 1910.27(b). They require:
Rope access work must also meet the applicable OSHA fall protection rules, such as the requirements for personal fall arrest systems and anchorages.
A worker suspended in a harness after a fall or medical event needs prompt rescue. Rope access teams should be able to carry out a rescue themselves rather than relying only on emergency services, which may not have equipment to reach the worker quickly.
A building owner needed to inspect and seal joints on a 20-story glass facade. Installing a swing stage would have taken several days and blocked the sidewalk. The owner hired a rope access contractor whose team included a Level 3 supervisor and two other technicians.
Before work began, the supervisor confirmed the building's certified roof anchors, rigged separate anchors for each working line and backup line, and set up edge protection at the parapet. A ground-level exclusion zone kept pedestrians away. The team practiced a pick-off rescue on the first day, checked the wind forecast each morning and completed the work without closing the street.
When done by trained and certified technicians following a recognized system with two independent ropes, supervision and rescue planning, rope access is an established method for work at height. Its safety depends on following those controls every time.
Both are rope access industry bodies with three-level certification schemes. IRATA originated in the United Kingdom and operates internationally. SPRAT was founded in North America. Many employers and clients accept either, but contract requirements vary.
Not exactly. OSHA's rope descent system rules at 29 CFR 1910.27(b) cover a specific type of suspended descent, commonly used for window cleaning and building maintenance. Industrial rope access usually involves ascending, descending and moving across structures using two-rope techniques under an industry scheme.
Rope access is planned as team work, with a supervising technician and people on site who can carry out a rescue. A technician working alone on ropes would have no one to reach them quickly if they became injured or incapacitated.
Supervision is normally done by the highest certification level, IRATA Level 3 or SPRAT Level III, who is responsible for the safety of the rope access work, the rigging and the rescue plan.
Part of SafetyIQ's EHS glossary: plain-English definitions of workplace health and safety terms.
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