Write a risk assessment for window glass cleaning high rise building

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CCOHS CCHST Weather Canadian Centre for Occupational Health and Safety Centre canadien d'hygiène et de sécurité au travail # Weather - High Winds ## On this page What are examples of hazards when working in high wind conditions? What are some steps to take during high winds? Is wind an issue in Canada? ## What are examples of hazards when working in high wind conditions? High winds may be the result of a storm, hurricane, tornado or other weather event. Hazards include: - Potential for injury when wind moves objects - Eye injuries from dust or debris in the air - Sprains or strains when the wind forces workers to fall, when workers try to reach for an object that is moving away from them, or when the wind pulls objects/doors from their hands - Potential for injury from broken glass as a result of objects striking a window or a door swinging with force - Exposure to skin, especially in the cold - Loads, equipment or vehicles that fall, drop, or tip over - Breaking of branches or uprooting of trees - Collapse of building, roof, scaffolding, fencing, towers, etc. - Broken power lines, leading to risk of electrocution and loss of electricity - Reduced visibility (due to dust, snow, etc.) - Spreading of fire from sparks or equipment - Operating suspended equipment (swing stages, cranes...) - Wildfire spread Weather - High Winds CCOHS

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# What are elements to consider when writing a fall protection plan? (cont.) ## Who has responsibilities for fall hazards? (cont.) - Inspect your personal fall protection system before each use. - Protect the protective equipment from damage where possible (e.g., make sure the lifeline or lanyard is protected from sharp edges, heat, flame, or corrosive substances). - Notify the supervisor or employer of any broken, defective, or missing protective equipment. - Be aware of your right to refuse unsafe work. ## Does the fall protection plan include training for those working at heights? Many jurisdictions require workers who will be working at heights to receive training. Ontario and Newfoundland both require this training to be delivered by approved providers. Please see the Fall Protection - Legislation for Training Requirements for more details. Even if training is not specifically required for those working at heights, it is still a very important part of fall protection. Selecting the proper personal protective equipment is complex and understanding how to wear and use the equipment is not always intuitive. Workers and employers must understand how and when their equipment should be maintained, and how to identify damage or incorrectly assembled systems. Users must also have a clear understanding of how to work safely on equipment such as elevated platforms, lifts and scaffolds. ## Does the fall protection plan include a rescue plan? Often after a fall is arrested, the worker remains suspended in the air and will need to be rescued by others. In other situations, the fallen worker could have injuries that require first- aid. A rescue plan will detail how to return fallen workers to a place of safety while keeping rescuers safe. Like other forms of emergency planning, it is essential that everyone understands their role and what they must do after a fall. Before beginning the at heights work, discuss the situation with local emergency services to see if…

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# Fall Protection - Working at Heights Rescue Plan (cont.) ## What should be included in a working at heights rescue plan? (cont.) Other key considerations include determining how a rescue will be initiated and making sure the appropriate equipment is available and maintained. The ability to respond very quickly and retrieve the worker is essential. Plan for situations where the worker is injured, including procedures for first-aid, medical treatment, and getting the injured worker to the hospital. The quickest route to the hospital should be determined. In locations far from a hospital, additional measures may be needed to make sure a worker can receive appropriate medical attention, as required. Immediately before work begins, another assessment should be done to ensure that the rescue plan is still appropriate and that no additional hazards or factors have been overlooked. Check and follow any legislative requirements regarding rescue at heights in your jurisdiction. ## What personal protective equipment (PPE) do rescuers need to use? The required personal protective equipment will depend on the hazards and risks present and should be specified in the fall rescue plan. Common personal protective equipment includes fall protection equipment, head protection, eye protection, high-visibility apparel, gloves, safety footwear, and other equipment. A first-aid kit and rescue equipment and accessories will also be required. ## How are hazards identified and risks assessed for a rescue at heights? Developing a systematic and comprehensive method for identifying hazards and assessing risk is essential. Risk assessments should be done well in advance and again immediately before and during the work as conditions can change. The team responsible for developing the rescue plan needs to identify all hazards that may cause harm to workers during the work and a potential rescue. Hazards may include: - sources that may damage equipment or infrastructure, such as the pr…

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# Fall Protection - Fall Protection Plan (General) (cont.) ## What is working at heights? (cont.) - elevated work platforms, - fixed suspended work platforms, - swing staging, - boatswain's chairs, - aerial devices, - suspended equipment, or - personnel carrying equipment (e.g., personnel lifting units raised by cranes or hoists) Occupational health and safety laws generally require action when a worker has the potential to fall about 3 metres (10 feet). Check with your jurisdiction as exact requirements do vary. Note that most jurisdictions require the use of specific fall protection measures before, or in addition to, personal protective equipment (PPE). These measures generally include the use of some of the following: - fixed barriers (e.g., handrails, guardrails) - surface opening protection (e.g., covers, guardrails, etc.) - warning barriers or control zones - fall or travel restraint systems (i.e., a system to prevent a worker from falling from a work position, or from travelling to an unguarded edge from which the worker could fall) - fall containment system (e.g., safety nets) - fall arrest systems (ie., a system that will stop a worker's fall before the worker hits the surface below) There may also be specific legal requirements around use of equipment like ladders and scaffolding. ## What are fall protection plans and why are they important? A fall protection plan is a general term for the policy and procedures used to identify fall hazards, and the measures taken to prevent injury. Included in this plan is selecting, assembling, maintaining, inspecting, using, and dismantling equipment such as ladders, scaffolds, or platforms used for working at heights as well as any fall protection equipment. Emergency procedures for rescuing fallen workers (including those who are hanging in midair by their harness) are also needed. Fall protection plans must be specific to each site where workers are at heights. There is "no one size fits all" plan.…

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# CODE OF SAFE PRACTICES FOR ADJUSTABLE SUSPENDED SCAFFOLDS CO-DEVELOPED BY THE SCAFFOLDING, SHORING & FORMING INSTITUTE (SSFI) and THE SCAFFOLD AND ACCESS INDUSTRY ASSOCIATION, INC. (SAIA) (cont.) D. FALL ARREST EQUIPMENT: 1. EACH PERSON ON AN ADJUSTABLE SUSPENDED SCAFFOLD must be attached to an independent fall arrest system. 2. EACH VERTICAL LIFELINE SHALL BE ATTACHED IN ACCORDANCE WITH MANUFACTURER'S INSTRUCTIONS to a separate anchorage capable of supporting minimum of 5000 pounds (2267 kg) or an anchorage designed by a qualified person. a 3. DO NOT WRAP LIFELINES AROUND STRUCTURAL MEMBERS unless lifelines are protected and a suitable anchorage connection is used. 4. PROTECT LIFELINES AT SHARP CORNERS AND EDGES to prevent chafing. 5. RIG FALL ARREST SYSTEMS to minimize free fall. 6. INSTALL VERTICAL LIFELINES SO THEY HANG FREELY. 7. USE LIFELINES that are compatible with the rope grab. 8. INSTALL ROPE GRAB IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS. Rope grab must be properly oriented. 9. KEEP ROPE GRAB POSITIONED ABOVE YOUR HEAD. 10. UTILIZE FULL BODY HARNESSES of the proper size and fit. 11. UTILIZE SHOCK ABSORBING LANYARD attached to the D-ring at the center of your back between the shoulder blades. 12. INSPECT FALL PROTECTION ANCHORAGE / EQUIPMENT BEFORE EACH USE. Consult the fall protection supplier for inspection procedures. 13. WHEN A SECONDARY WIRE ROPE SYSTEM IS USED instead of a vertical lifeline, attach the lanyard to a horizontal lifeline or an approved platform anchor. E. DURING USE: 1. USE ALL EQUIPMENT AND ALL DEVICES in accordance with the manufacturer's instructions. 2. DO NOT OVERLOAD OR MODIFY EQUIPMENT. 3. INSPECT ALL EQUIPMENT INCLUDING HOISTS, PLATFORM, AND RIGGING before each use. 4. INSPECT WIRE ROPE BEFORE AND DURING USE. 5. USE CARE TO PREVENT DAMAGE TO EQUIPMENT. 6. CLEAN AND SERVICE EQUIPMENT REGULARLY. Follow manufacturers' recommendations. 7. ALWAYS MAINTAIN AT LEAST (4) FOUR WRA…

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# Fall Protection - Working at Heights Rescue Plan (cont.) ## What is a working at heights rescue plan? (cont.) Relying only on calling for local emergency services after an incident as a rescue plan is not appropriate. Workers who fall and become suspended in their fall arrest harness need to be rescued immediately. Suspension trauma (also referred to as orthostatic intolerance) involves blood pooling in the lower body, reducing the amount of oxygen available to the brain and other vital organs. It occurs when a worker hangs in the harness for too long. The harness may create pressure, preventing the blood from circulating, or the worker may be in shock, unconscious, or otherwise not able to move their legs, causing blood to pool in their lower limbs. This trauma can occur in minutes and can cause serious health effects such as damage to the brain, kidneys or other organs. Death may occur in less than 30 minutes. The worker may have sustained an injury from the fall or be unconscious and be unable to rescue themselves or assist the rescuers. A rescue may be needed if a worker experiences a medical emergency while working at heights, such as heat stroke, fainting, and cardiovascular or respiratory distress, and is unable to get down on their own or requires immediate medical assistance. The plan must also consider that the conditions or hazards that caused the fall may also be a risk to other workers, including the rescuers. ## What elements should a rescue plan include? Before a specific task begins, make sure that the plan covers any possible scenarios experienced at the specific worksite. Adjust and modify the rescue plan as needed. A rescue plan should include the following details: - Be written, reviewed and posted before work begins - Identify who will conduct the rescue and their roles and responsibilities - Include procedures for identifying, assessing, and controlling hazards - Outline training requirements for both rescue personnel and work…

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# Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems), Final Rule; and Other Related Provisions (cont.) ## Subpart D-Walking-Working Surfaces (cont.) [redacted postal code] Federal Register/Vol. 81, No. 223/Friday, November 18, 2016/Rules and Regulations. Low-slope roof means a roof that has a slope less than or equal to a ratio of 4 in 12 (vertical to horizontal). Lower level means a surface or area to which an employee could fall. Such surfaces or areas include, but are not limited to, ground levels, floors, roofs, ramps, runways, excavations, pits, tanks, materials, water, equipment, and similar surfaces and structures, or portions thereof. Manhole steps means steps that are individually attached to, or set into, the wall of a manhole structure. Maximum intended load means the total load (weight and force) of all employees, equipment, vehicles, tools, materials, and other loads the employer reasonably anticipates to be applied to a walking-working surface at any one time. Mobile means manually propelled or moveable. Mobile ladder stand (ladder stand) means a mobile, fixed-height, self- supporting ladder that usually consists of wheels or casters on a rigid base and steps leading to a top step. A mobile ladder stand also may have handrails and is designed for use by one employee at a time. ta Mobile ladder stand platform means a mobile, fixed-height, self-supporting unit having one or more standing platforms that are provided with means of access or egress. Open riser means the gap or space between treads of stairways that do not have upright or inclined members (risers). Opening means a gap or open space in a wall, partition, vertical walking- working surface, or similar surface that is at least 30 inches (76 cm) high and at least 18 inches (46 cm) wide, through which an employee can fall to a lower level. Personal fall arrest system means a system used to arrest an employee in a fall from a walking-working surface. I…

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# What are elements to consider when writing a fall protection plan? (cont.) ## Who has responsibilities for fall hazards? (cont.) - Educate and train workers and supervisors to understand and properly fulfill their role in fall protection and prevention. Workers should have easy access to policies and procedures so the directions can be reviewed when needed. - Make sure workers are instructed in all of the fall-protection methods or systems used and, in the post-fall rescue procedure before being allowed into an area where there is a risk of falling. - Make sure the fall-arresting system consists of the required components, including full body harness, self-retracting lanyard, energy absorbing lanyard or lanyard and energy absorber, and appropriate anchor point or horizontal life line. - Make sure all protective equipment, clothing or devices are provided, used, and maintained in good condition. - Make sure PPE is used effectively according to the policies and procedures, legal requirements, and the manufacturer's specifications. - Review and amend the fall protection plan when necessary, on a regular schedule. - Review and amend the fall protection plan after relevant workplace changes. - Review and improve the fall protection plan after each fall or near-miss incident. A supervisor must: - Make sure workers follow applicable legal requirements and the workplace policy and procedures regarding fall protection. - Inform workers about fall hazards and how to work safely at heights. - Make sure workers use and know how to wear the appropriate fall protection equipment. - Act on information provided by workers (e.g., safety concerns about the situation, when equipment is broken, defective, or missing, etc.). - Participate in fall protection planning where relevant and when requested. A worker must: worker must: - Alert the supervisor about previous unidentified fall hazards before beginning or continuing any work. - Participate in fall pr…

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# MINNESOTA RULES (cont.) ## 5205.0730 WINDOW CLEANING; BUILDING MAINTENANCE. (cont.) 5205.0730 # MINNESOTA RULES 54 C. "Competent person" means an experienced and trained individual who is capable of identifying existing and predictable hazards in the surroundings or working conditions that are hazardous or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate the hazards. D. "Lifeline" means a flexible line for connection to an anchorage at one end to hang vertically (vertical lifeline), or for connection to anchorages at both ends to stretch horizontally (horizontal lifeline), and which serves as a means for connecting other components of a personal fall-arrest system to the anchorage. E. "Person" means an individual or legal entity, including a lessee. F. "Qualified individual" means an individual who, by possession of a recognized degree, certificate, or professional standing, and who by extensive knowledge, training, and experience has successfully demonstrated the ability to solve or resolve problems relating to the equipment and systems pertaining to the work or project, and the development of plans for the work or project. G. "Rope descent system" means an assembly of components that supports one employee in a chair or seat board and allows the user to descend in a controlled manner and to stop at any time at a desired level of descent. A rope descent system is a variation of the single-point adjustable suspension scaffold, which is also known as a controlled descent device, controlled descent equipment, or controlled descent apparatus. H. "Window cleaning" means operations such as window washing, window restoration, window scraping, window sealing, waxing, or metal polishing, or any combination of the six. - Subp. 3. Written plan. Any person performing window cleaning operations or building maintenance operations shall provide a written plan developed by the employer or qualified individual before the…

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# Fall Protection - Working at Heights Rescue Plan (cont.) ## How are hazards identified and risks assessed for a rescue at heights? (cont.) Before starting a task involving working at heights, all workers (including rescuers) should immediately report any concerns to the supervisor. If conditions or factors are a risk to workers or may impact a rescue, this concern needs to be addressed before the work begins. If rescuers have any concerns with their training or the rescue plan, they also need to report this to their supervisor so it can be addressed. Equipment used by workers and rescuers must be properly inspected and maintained, including before use. Any defective equipment must be replaced. Once all the hazards are identified and the risks are assessed, appropriate control measures need to be taken. The hierarchy of controls should be considered. It is important to continuously review and improve control measures to ensure their effectiveness. ## What methods and equipment can be used in a working at heights rescue? The rescue techniques and equipment must be specific for the working at heights task, including the hazards, where and how the rescue may occur, and other factors. When determining the appropriate rescue procedures, consult with experts on rescue at heights and ensure all rescuers have thorough training and experience with the selected methods. You can also reach out to your local fire department for guidance. Methods may include self-rescue, ladder rescue, elevating work platform rescue, using the lifeline to retrieve the worker, rescuers rappelling down to retrieve the worker, pulling a worker from an area below, using emergency equipment to reach the worker such as a crane basket or rope rescue. Methods must be suitable for the location. For example, planning on using a mechanical lift may not be appropriate when working where the ground is uneven (such as a forest) or where other materials may obstruct access to the worker's location. A…

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# Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems), Final Rule; and Other Related Provisions (cont.) ## Subpart -[Amended] (cont.) [redacted postal code] Federal Register/Vol. 81, No. 223/Friday, November 18, 2016/Rules and Regulations lifeline), or for connection to anchorages at both ends so as to stretch horizontally (horizontal lifeline), and serves as a means for connecting other components of the system to the anchorage. Personal fall arrest system means a system used to arrest an employee in a fall from a walking-working surface. It consists of a body harness, anchorage, and connector. The means of connection may include a lanyard, deceleration device, lifeline, or a suitable combination of these. Personal fall protection system means a system (including all components) an employer uses to provide protection from falling or to safely arrest an employee's fall if one occurs. Examples of personal fall protection systems include personal fall arrest systems, positioning systems, and travel restraint systems. Positioning system (work-positioning system) means a system of equipment and connectors that, when used with a body harness or body belt, allows an employee to be supported on an elevated vertical surface, such as a wall or window sill, and work with both hands free. Positioning systems also are called "positioning system devices" and "work-positioning equipment." Qualified describes a person who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience has successfully demonstrated the ability to solve or resolve problems relating to the subject matter, the work, or the project. Rope grab means a deceleration device that travels on a lifeline and automatically, by friction, engages the lifeline and locks so as to arrest the fall of an employee. A rope grab usually employs the principle of inertial locking, cam/lever locking, or both. Safety …

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CCOHS CCHST Canadian Centre for Occupational Health and Safety Centre canadien d'hygiène et de sécurité au travail Fall Protection # Fall Protection - Working at Heights Rescue Plan ## On this page What is a working at heights rescue plan? Why are rescue plans important when working at heights? What elements should a rescue plan include? What should be included in a working at heights rescue plan? What personal protective equipment (PPE) do rescuers need to use? How are hazards identified and risks assessed for a rescue at heights? What methods and equipment can be used in a working at heights rescue? What are some important considerations for the anchor system? How will the rescue team communicate during an emergency? What kind of training does the rescue team need? What post-incident procedures should be followed after a rescue? ## What is a working at heights rescue plan? A working at heights rescue plan refers to written emergency response procedures for quickly retrieving and providing help to a worker who has fallen while working at heights. A rescue may be needed when a worker falls or needs rescue for other reasons (including medical emergencies or mechanical failures) and is located at an elevated position, such as being suspended by a fall arrest harness. Recuse may also be required while the worker is on a roof, crane, elevated platform, lifting device, or other areas. While a fall protection plan is intended to help prevent falls, it is important to include a rescue plan in case of an emergency. Why are rescue plans important when working at heights? Fall Protection - Working at Heights Rescue Plan CCOHS

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# Personal Protective Equipment; Amendments (cont.) ## $1910.132 General requirements. (cont.) [redacted postal code] Federal Register/Vol. 81, No. 223/Friday, November 18, 2016/Rules and Regulations lifeline), or for connection to anchorages at both ends so as to stretch horizontally (horizontal lifeline), and serves as a means for connecting other components of the system to the anchorage. Personal fall arrest system means a system used to arrest an employee in a fall from a walking-working surface. It consists of a body harness, anchorage, and connector. The means of connection may include a lanyard, deceleration device, lifeline, or a suitable combination of these. Personal fall protection system means a system (including all components) an employer uses to provide protection from falling or to safely arrest an employee's fall if one occurs. Examples of personal fall protection systems include personal fall arrest systems, positioning systems, and travel restraint systems. Positioning system (work-positioning system) means a system of equipment and connectors that, when used with a body harness or body belt, allows an employee to be supported on an elevated vertical surface, such as a wall or window sill, and work with both hands free. Positioning systems also are called "positioning system devices" and "work-positioning equipment." Qualified describes a person who, by possession of a recognized degree, certificate, or professional standing, or who by extensive knowledge, training, and experience has successfully demonstrated the ability to solve or resolve problems relating to the subject matter, the work, or the project. Rope grab means a deceleration device that travels on a lifeline and automatically, by friction, engages the lifeline and locks so as to arrest the fall of an employee. A rope grab usually employs the principle of inertial locking, cam/lever locking, or both. Safety factor means the ratio of the design load and the ultimate strength of th…

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# Part five - Suspended access ## What is suspended access? Portable ladders, supported scaffolds, and aerial lifts can provide easier access to most elevated work areas. When they are not feasible or safe for workplace conditions, however, an alternative is a suspended platform. Suspended access is a means of getting to difficult-to-reach work areas on a suspended platform. Usually the platform is an adjustable- suspension scaffold. The scaffold, typically suspended by wire rope from a rooftop anchor, has a hoist that workers use to reach the work area. In some cases, however, even adjustable- suspension scaffolds may not be feasible or safe. When there is no other safe way to reach the work area, a crane or derrick can provide suspended access by hoisting a personnel platform to reach the work area. ## Adjustable-suspension scaffolds A suspension scaffold is a temporary elevated platform that hangs by rope(s). Add a hoist to move the platform up or down, and you have an adjustable-suspension scaffold, but not necessarily a safe one. Suspension ropes, lifelines, platforms, hoists, overhead support devices, and tieback systems are critical to the safety of adjustable-suspension scaffolds. There are four basic types: 1. Single-point adjustable scaffolds. A single-point suspension scaffold is suspended by a single rope from an overhead support device such as a davit or outrigger beam. The platform is usually ground rigged. 2. A boatswain's chair, the most common single-point suspension scaffold, supports only one worker in a sitting position. The chair is lightweight, easy to rig, and favored by window cleaners. Most chairs are equipped with descent-control devices. 3. Two-point adjustable-suspension scaffolds. Also known as swing-stage scaffolds, these scaffolds are suspended by two independent ropes from an overhead support device such as a davit or Tieback system and anchorage Counterweight Secure anchorage Primary suspension Personal rope fall arrest P…

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# Walking-Working Surfaces and Personal Protective Equipment (Fall Protection Systems), Final Rule; and Other Related Provisions (cont.) ## Subpart F-[Amended] (cont.) Federal Register/Vol. 81, No. 223/Friday, November 18, 2016/Rules and Regulations [redacted postal code] the employees. A horizontal life line or a direct connection anchorage shall be provided as part of a personal fall arrest system that meets the requirements of subpart I of this part for each employee on the platform. (j) Personal fall protection. Employees on working platforms shall be protected by a personal fall arrest system meeting the requirements of subpart I of this part and as otherwise provided by this standard. Authority: 29 U.S.C. 653, 655, 657; Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR [redacted postal code]), 9-83 (48 FR [redacted postal code]), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR [redacted postal code]), 5-2002 (67 FR [redacted postal code]), 5-2007 (72 FR [redacted postal code]), 4-2010 (75 FR [redacted postal code]), or 1-2012 (77 FR 3912), as applicable; and 29 CFR part 1911. * ## Appendix C to § 1910.66 [Reserved] ## Appendix D to § 1910.66-Existing Installations (Mandatory) (c) * (4) Access to the roof car. Safe access to the roof car and from the roof car to the working platform shall be provided. If the access to the roof car at any point of its travel is not over the roof area or where otherwise necessary for safety, then self-closing, self- locking gates shall be provided. Access to and from roof cars must comply with the requirements of subpart D of this part. * ■6. In § 1910.67, revise paragraph (c)(2)(v) to read as follows: ## §1910.67 Vehicle-mounted elevating and rotating work platforms. * (c) $1910.132 General requirements. (v) A personal fall arrest or travel restraint system that meets the requirements in subpart I of this part shall be worn and attached to the boom or basket when working from an aerial lift. …

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# OCCUPATIONAL HEALTH AND SAFETY CODE Index contents, 827(3) currency, 827(4) inspection of, 827(4) requirement, 827(1) signatures, 827(2) personal protective equipment (PPE) alternative equipment, 805-806 maintenance, 811(b) removal from service, 820 rescue if failure of, 821-822 safe work practices, 825 self rescue, 822 training, 811(b), 811(d), 822 removal from service, 820 ropes cow's tail, 819 high stretch or dynamic ropes, 816, 818 low stretch or static ropes, 816-817 safe work plan availability, 810 competent person to prepare plan, 2.2 conditions for, 808 specifications, 809 safe work practices hazard assessment, 811(a) personal protective equipment, 811(b), 811(d) rescue procedures, 811(d) training, 811(b) work positioning and fall protection systems, 811(c) safety, secondary, belay, or backup lines, 830 specifications removal from service, 820 standards ascenders, 837 back-up devices, 838 carabiners, 836 connecting components, 835 cow's tail, 819 full body harness, 142(1), 834 head protection, 831 high stretch or dynamic ropes, 818, 819(1) low stretch or static ropes, 817 safe work practices, 823-824 worker competency, 826 trained workers present, requirement, 825 training of workers, 811-812, 822, 826 worker's personal logbook, 827 See also full body harness; personal fall arrest system (PFAS) rope access work, industrial, 828-829 rope access work, non-industrial (mountaineering, caving, canyoning, sport climbing), 840-849 defined, 1 anchorage strength, 843 Director safe work practices, approval, 840 fall factor, 842 head protection, 844-846 standards connecting components, 849 full body harness, 848 head protection, 844-846 sit harness, 795(1)(b), 847 worker competency, 841 training of workers, 841 See also rope access work rope adjustment device for work positioning, 148.1 See also personal fall arrest system (PFAS) ropes boatswain's chairs, 351(3)-(4) in horizontal lifeline systems, 153–153.1 in needle-beam scaffolds, 337(3)-(4) on sawmill log carri…