Technical Name: NR 35 TRAINING COURSE – WORKING AT HEIGHT SAFETY – TAUGHT IN ENGLISH
Reference: 164755
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What is the purpose of the NR35 Course in English?
The NR35 Course in English has the primary purpose of enabling the worker to safely and responsibly perform any activity carried out more than two meters above the lower level, whenever there is a risk of falling. The training, therefore, goes beyond merely transmitting regulatory content: it aims to develop technical competence, risk perception, and preventive behavior based on real field situations.
Initially, the course presents the requirements of NR 35, but as it progresses, it leads the participant to the practical internalization of fundamental procedures such as:
Selection, adjustment, and correct use of Personal Protective Equipment (PPEs);
Interpretation and execution of Preliminary Risk Analysis (PRA);
Adoption of collective and individual control measures;
Safe performance in emergency scenarios, including basic rescue techniques.
In addition, the course fully complies with the requirements set forth in subitems 35.3.1 to 35.3.8 of the standard itself, which means that, at the end of the process, the worker not only understands what must be done but is also formally trained, evaluated, and certified as required by the legal frameworks of labor legislation and occupational safety.

Assembly of structure using a full-body harness (parachute-type) and mandatory anchor point.
NR35 Course in English: What are the most common mistakes when selecting PPE for work at height and how to avoid them?
Selecting the correct PPE for work at height goes far beyond choosing what “seems suitable.” Therefore, it involves technical analysis, alignment with standards, and a realistic understanding of the operational context.
Thus, even in environments where formal training exists, certain mistakes persist, often due to habit, haste, or overconfidence.
To make this process more accurate, see below a table with the most recurring mistakes, their direct consequences, and the recommended correction based on current technical standards:
| Common Error | Consequence | Technical Correction (Base Standard) |
|---|---|---|
| Generic PPE selection | Incompatibility with the type of risk | Evaluate technical specifications of the standard |
| Lack of CA verification | PPE becomes legally invalid | Check validity on the Ministry of Labor website and record delivery |
| Use without individual adjustment | Risk of slipping out during a fall | Training on proper adjustment |
| Not considering the complete system | Incompatibility with lanyards, connectors, and anchorage | Plan the individual protection system as an integrated set |
| Expired or damaged PPE | Loss of resistance, high risk of failure | Establish routine pre-use and periodic inspection with records |
Therefore, PPE selection requires technical knowledge, constant inspection, and real commitment to safety. No equipment protects by itself; it depends on conscious and systemic use.
What criteria should guide the choice between restraint, positioning, or fall-arrest systems for work at height?
NR 35, together with ABNT NBR 16489 and ABNT NBR 16325, clearly defines the technical criteria for choosing the appropriate system:
| System | When to Use | Objective |
|---|---|---|
| Restraint | When it is possible to physically prevent the fall (e.g., barriers, limiting ropes) | Prevent access to the risk zone |
| Positioning | When the worker needs stability to work hands-free, in areas with proper support | Allow access with controlled posture |
| Fall Arrest | When there is a real risk of falling and it cannot be eliminated | Contain and limit fall impact |
The choice of system must be based on the Preliminary Risk Analysis (PRA) and consider free-fall height, type of structure, and available deceleration space. Protection must be designed with a focus on intelligent prevention, not merely to “comply with the standard.”
NR35 Course in English: What is the importance of perceptive behavior at height?
Perceptive behavior at height represents the worker’s active ability to identify, anticipate, and react to signs of risk in real time, even before they materialize into operational failures or accidents.
When subjected to consistent training and practical experiences, the professional develops a refined perception of the environment. In this way, they detect micro-variations such as abnormal movements, unusual noises, sudden changes in weather conditions, or procedural deviations by the team.
Furthermore, this conscious, trained, and intentional awareness functions as an extension of the protection systems, elevating the level of vigilance and reducing response time in the face of any instability.

Work on scaffolding requires validated anchorage and risk analysis in accordance with NR 35.
Why is risk habituation one of the greatest threats at height?
Operational haste is the enemy of safety. When the schedule does not include the time needed to plan, assemble protections, and perform risk analysis, the chance of failure increases exponentially.
According to NR 01 (GRO/PGR) and NR 35, the time must include:
Risk analysis and PRA
PPE inspection
Installation of protection systems
Monitoring and communication with the team
Productivity and safety do not compete, but complement each other when time is managed with intelligence and technical criteria.
What is the relationship between task time management and safety in activities at height?
Time management must balance productivity and prevention. Pressuring the worker to meet goals under risk increases the chance of operational errors and critical omissions, such as skipping PRA steps or neglecting PPE inspection.
The schedule must foresee technical time for analysis, installation of protections, safe movement, and monitoring, according to the PGR (NR 01). Therefore, safety is not a time cost, it is a guarantee of return.
Why is the mere presence of protective equipment not a guarantee of safety?
Because the effectiveness of PPE lies in how it is used, not only in its existence. The safety harness, for example, only protects if it is correctly adjusted, connected to the correct anchorage system, and inspected.
NR 06 and NR 35 determine not only the delivery of PPE, but the worker’s practical training, the documentation of use, and the periodic evaluation of the equipment. Safety is continuous action, not decorative ornament.
How can communication failure be a primary cause of accidents at height?
In high-risk operational contexts, such as work at height, communication is not a detail, it is the invisible infrastructure of safety. Every command not understood, every absent or ambiguous signal, and every unexpected silence becomes an active vulnerability. At height, professionals face a scenario in which reaction time precisely defines the border between prevention and the accident, unlike other environments where it is still possible to correct the error in real time.
The most recurrent failures involve:
Verbal commands not validated (without confirmation of understanding);
Absence of visual protocols in areas with noise or obstruction;
Misalignment between operators and spotters;
Lack of prior radio communication tests;
Improvised or nonexistent signaling.
Thus, both NR 01 (subitem 1.5.3.3 on preventive measures) and ISO 45001 (item 7.4 – Communication) highlight that risk is only controllable when there are formal and clear operational communication procedures, especially in interdependent tasks and with fall risk.

Rope access with fall arrester and restraint system – work-at-height safety in accordance with NR 35.
You already master work at height so well that reviewing the PRA every day may seem exaggerated… or not?
At first glance, reviewing the Preliminary Risk Analysis (PRA) every day may seem redundant, especially for those who have carried out the task dozens or even hundreds of times. Familiarity with the process gives a false impression of stability, as if the scenario were unchanging and predictable. However, this perception ignores an essential principle of safety: risk is not static, it evolves with every variable introduced into the environment.
Consider the following:
Today’s wind does not blow like yesterday’s.
The coworker beside you may be more tired.
The scaffold that was firm yesterday may be unstable today.
The change in anchorage.
Click the Link: Criteria for Issuing Certificates according to the Standards
Basic Professional Training – Introductory Level (Does not replace Academic Education or Technical Schooling)Certificate of completion



