Technical Name: COMPRESSED AIR SUPERVISOR COURSE NR 18 – WORK SAFETY CONDITIONS IN THE CONSTRUCTION INDUSTRY
Reference: 171030
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Compressed Air Supervisor English
The Compressed Air Supervisor English aims to qualify the professional to supervise activities in compressed-air environments with technical precision and safe decision-making. In this way, the participant learns to interpret pressure dynamics, evaluate physiological and operational risks, and apply procedures that maintain team integrity throughout all phases of the work. By understanding how work chambers, bells, pressurized tunnels, and pneumatic systems interact, the supervisor develops real mastery over the critical points that determine hyperbaric safety.
In addition, the training seeks to align operational practice with the requirements established by NR 18, ensuring legal compliance and the ability to respond to unexpected situations. As a result, the student strengthens the ability to coordinate compression and decompression procedures, monitor risk indicators, and guide workers with clarity and authority. The outcome is a professional prepared to operate in complex contexts where safety depends on quick, well-founded decisions.
Who is responsible for ensuring safety during compressed air operations?
The responsibility rests with the Compressed Air Supervisor, who actively manages hyperbaric risks and directs the operational procedures required by NR 18. The supervisor monitors team behavior, tracks pressure variations and makes immediate decisions whenever any deviation threatens physiological or structural stability. As a result, he becomes the essential link between field operations and full safety assurance.
Furthermore, the supervisor maintains constant communication with operators, electricians, tunneling crews and medical personnel. This alignment ensures that every step occurs under strict control and that decompression is carried out with technical precision. By acting in an integrated manner, the supervisor protects workers and guarantees full regulatory compliance.
When should decompression procedures be applied?
Before answering directly, it is important to recognize that decompression is not a simple action. It follows strict protocols designed to prevent embolism and reduce hyperbaric physiological impacts. Therefore, the supervisor must evaluate exposure time, maximum pressure reached and the type of task performed.
| Decompression Criterion | Technical Description |
|---|---|
| Proper moment | Applied once the hyperbaric activity ends, following the established return curve |
| Total duration | Adjusted based on maximum pressure and exposure time |
| Physiological conditions | Interrupted only after assessing symptoms or complaints |
| Environmental parameters | Continuous monitoring of chamber and bell internal pressure |
Compressed Air Supervisor English: Worker stability depends on pressure control
Before expanding, it is essential to understand that pressure directly affects human physiology. Consequently, the supervisor must maintain constant vigilance over operational variations.
Maximum pressure tolerated
Exposure duration
Breathing mixture specifications
Hyperbaric chamber conditions
Integrity of pneumatic systems
Why is controlling the breathing mixture essential in hyperbaric environments?
Controlling the breathing mixture ensures that the partial pressure of gases remains within safe limits. In doing so, the supervisor prevents oxygen toxicity, nitrogen narcosis and respiratory collapse due to incorrect gas combinations. This constant monitoring reduces human error and enables rapid intervention whenever conditions unexpectedly change.
Additionally, the gas mixture directly influences both physical and cognitive performance. Minor deviations can impair concentration, increase fatigue or trigger early symptoms of decompression-related complications. Therefore, by maintaining strict control of the breathing mixture, the supervisor protects worker health and ensures operational compliance.
Where should monitoring systems be installed to ensure safe supervision?
To fully understand the answer, it is necessary to consider that monitoring systems serve as the first barrier against hyperbaric hazards. They must deliver accurate real-time information, allowing the supervisor to react immediately.
| Installation Location | Purpose |
|---|---|
| Working Chamber | Controls pressure, temperature and humidity |
| Recompression Chamber | Provides emergency recovery and stabilization |
| Central Control Panel | Ensures global visualization and alarms |
| Tunnel Technical Access | Detects leaks and sudden pressure changes |
| Main Compressors | Verifies ongoing system stability |
Compressed Air Supervisor English: Decompression sickness demands immediate technical response
Before detailing, one must recognize that this condition develops quickly and can cause severe damage. Consequently, the supervisor must master every stage of the emergency protocol.
Early symptom identification
Immediate transfer to the recompression chamber
Application of the prescribed return table
Continuous neurological monitoring
Direct communication with trained medical personnel
What is the impact of NR 18 on the daily routine of the Compressed Air Supervisor?
NR 18 structures the entire operation by defining limits, procedures and requirements that the supervisor must apply each day. It guides chamber construction, pressure management, inspection routines and emergency protocols. Through these directives, the standard creates a controlled environment and significantly reduces the probability of critical failures.
Moreover, NR 18 delivers operational predictability. With clearly defined rules, the supervisor responds faster to pressure changes, makes well-grounded decisions and leads the team with precision and confidence. The result is a consistent technical routine aligned with legal obligations and industry best practices.
What is the important of the Compressed Air Supervisor English?
The Compressed Air Supervisor English is essential because it equips professionals with the technical competence to manage hyperbaric operations with precision and situational awareness. By understanding how pressure affects the human body, equipment stability and operational routines, the participant gains the ability to anticipate failures, prevent accidents and intervene decisively when conditions change. This knowledge elevates the supervisor from a passive observer to an active guardian of safety in environments where small deviations can lead to severe physiological or structural consequences.
Moreover, the training ensures full alignment with NR 18, which establishes the mandatory procedures for compressed air work, decompression protocols, chamber operation and emergency management. Through this regulatory foundation, the course strengthens legal compliance and enhances operational reliability. As a result, the supervisor becomes fully prepared to protect the workforce, maintain system integrity and guarantee that every phase of the compressed air activity meets the highest safety standards.
Click the Link: Criteria for Issuing Certificates in accordance with the Standards
Certificate of Completion
Compressed Air Supervisor English
COMPRESSED AIR SUPERVISOR COURSE NR 18 – WORK SAFETY CONDITIONS IN THE CONSTRUCTION INDUSTRY
Course Load: 16 Hours
Module 1 – Regulatory Framework and Application Field (2 Hours)
Scope and application field of NR 18 for compressed-air environments
Definitions and mandatory terminology for hyperbaric operations
Legal obligations of employers, engineers and supervisors
Technical responsibility, documentation and traceability
Concept and operational limits of spaces under compressed air
Module 2 – Work Structures Under Compressed Air (2 Hours)
Chamber of Work
Recompression Chamber
Campanula: purpose, sealing and structural behavior
Staff Lock: functions and transition procedures
Pneumatic tubes: integrity and operating conditions
Pressurized tunnels: classification and risk factors
Spaces or compartments under compressed air: requirements and constraints
Module 3 – Essential Operational Concepts (2 Hours)
Compressed Air Officer: responsibilities, authority and competence
Work time: exposure control and regulatory limits
Work pressure: safe parameters and adjustment criteria
Recognition of decompression sickness and embolism
Physiological effects of hyperbaric exposure
Normative indicators for environmental monitoring
Module 4 – General Principles for Pressurized Systems (2 Hours)
Preferential pressures for compressors
Preferential pressures for pneumatic tools and machines
Starting, starting-up and stopping devices
Pressurized components and structural integrity
Classification according to activation type
Oscillating piston compressor: classification by cooling type
Screw compressor: principles and regulatory aspects
Compression types and cooling classifications
Oil-free and oil-based air systems
Lubrication classifications
Acoustic protection requirements
Module 5 – Compressor Technologies and Classifications (2 Hours)
Alternative piston compressor: operational overview
Diaphragm compressor
Free piston compressor
Liquid ring compressor
Vane compressor
Oscillating piston compressor
Screw compressor
Centrifugal compressor
Axial compressor
Classification by cycle
Classification by cooling
Classification by compression type
Classification by piston arrangement
Classification regarding presence of oil in the air
Classification regarding lubrication type
Classification regarding activation type
Module 6 – Lobe Compressor and Specific Classifications (2 Hours)
Lobe compressor: operational principles
Classification by compression type
Classification by acoustic protection level
Classification by triggering and activation systems
Module 7 – Risk Management Program (PGR) Requirements (2 Hours)
Living areas under compressed-air influence
Machines, equipment and tools: compatibility and restrictions
Work stages and sequencing
Work and safety procedures for hyperbaric environments
Impeditive conditions for compression and decompression
Protective measures and fail-safe requirements
Potential risks inherent to hyperbaric work
Safety systems for abnormal conditions
Module 8 – Electrical Installations, Emergencies and Additional Risks (2 Hours)
Electrical installations: physical arrangement and compliance
Impeditive conditions and protective measures
Risk analysis applicable to hyperbaric activities
Ergonomic aspects in compressed-air environments
Work accidents and occupational illnesses associated with pressure
Emergency procedures and conduct
Safety signs and operator communication protocols
Additional risks: mechanical, physiological, atmospheric and operational
Completion and Certification:
Practical Exercises (when contracted);
Evidence Records;
Theoretical Evaluation;
Practical Evaluation (when contracted);
Certificate of Participation.
NOTE:
We emphasize that the General Normative Program Content of the Course or Training may be modified, updated, supplemented, or have items excluded as deemed necessary by our Multidisciplinary Team. Our Multidisciplinary Team is authorized to update, adapt, modify, and/or exclude items, as well as insert or remove Standards, Laws, Decrees, or technical parameters they consider applicable, whether related or not. The Contracting Party is responsible for ensuring compliance with the relevant legislation.
Compressed Air Supervisor English
Compressed Air Supervisor English
Inexperienced Participants:
Minimum credit hours = 32 hours / class
Experienced Participants:
Minimum credit hours = 16 hours / class
Update (Recycling):
Minimum credit hours = 08 hours / class
Updating (Recycling): The employer must conduct periodic training Annually and whenever any of the following situations occur:
a) change in work procedures, conditions or procedure;
b) event that indicates the need for new training;
c) return from work leave for a period exceeding ninety days;
d) change of company;
e) Exchange of machine or equipment.
Compressed Air Supervisor English
Compressed Air Supervisor English
Normative references when applicable to applicable devices and their updates:
NR 01 – Disposições Gerais e Gerenciamento de Riscos Ocupacionais – (General Provisions and Occupational Risk Management);
NR 15 – Atividades e Operações Insalubres – (Unhealthy Activities and Operations);
NR 18 – Condições e Meio Ambiente de Trabalho na Indústria da Construção – (Working Conditions and Environment in the Construction Industry);
NBR 10143 – Compressores de ar – Classificação – (Air compressors – Classification);
NBR 10144 – Compressores de ar – Terminologia – (Air compressors – Terminology);
ABNT NBR ISO 5391 – Compressores, ferramentas e máquinas pneumáticas — Pressões preferenciais (Compressors, Pneumatic Tools and Machines — Preferred Pressures)
ABNT NBR ISO 4414 – Sistemas pneumáticos — Regras gerais e requisitos de segurança (Pneumatic Fluid Power — General Rules and Safety Requirements)
ABNT NBR 12128 – Segurança em sistemas pneumáticos — Requisitos gerais (Safety of Pneumatic Systems — General Requirements)
ABNT NBR 12129 – Ar comprimido para uso industrial — Requisitos (Compressed Air for Industrial Use — Requirements)
ISO 10015 – Gestão da qualidade – Diretrizes para treinamento – (Quality management – Training guidelines);
ISO 45001 – Sistemas de gestão de saúde e segurança ocupacional – Requisitos com orientação para uso – (Occupational health and safety management systems – Requirements with guidance for use);
Note: This Service exclusively meets the requirements of the MTE (Ministry of Labor and Employment) when dealing with other bodies, inform in the act of request.
Compressed Air Supervisor English
Compressed Air Supervisor English
TECHNICAL CURIOSITIES – COMPRESSED AIR SUPERVISOR ENGLISH:
Pressure Changes the Behavior of Water Inside the Chamber
In hyperbaric environments, water does not evaporate the same way it does at atmospheric pressure. Increased pressure raises the boiling point and alters how the human body loses heat, requiring strict control of humidity and temperature to prevent hypothermia or thermal overload during prolonged operations.
A Compressor Can Alter the Structural Stability of the Tunnel
Rapid pressure variations inside the compressed-air system can interfere with excavation stability. Under certain conditions, the pressure gradient between the tunnel interior and the surrounding soil contributes to minimal structural shifts that, if ignored, can evolve into severe instability.
Oxygen Becomes More Dangerous in Hyperbaric Environments
Even when oxygen concentration appears low, the partial pressure of the gas rises quickly under hyperbaric conditions. This increases the risk of toxicity, seizures, and fires. Supervisors must continuously monitor every component of the breathing mixture to maintain safety.
Our pedagogical project follows the guidelines imposed by Regulatory Standard nº1.
After payment is made, Purchase Order, Contract signed between the parties, or other form of closing confirmation, the teaching material will be released within 72 working hours (up to 9 days), due to the adaptation of the syllabus and compliance with the Standards Techniques applicable to the scenario expressed by the Contracting Party; as well as other adaptations to the didactic material, carried out by our Multidisciplinary Team for technical language according to the student’s nationality and Technical Operational and Maintenance Instruction Manuals specific to the activities that will be carried out.
OTHER ELEMENTS WHEN APPLICABLE AND CONTRACTED:
Application field;
Chamber of Work;
Recompression Chamber;
Campanula;
Staff Lock;
Compressed Air Officer;
Work time;
Work pressure:
Pressurized Tunnel;
Compressed Air Pipe;
Pneumatic tubes;
Space or compartment under compressed air;
Decompression sickness or embolism;
General principles:
Preferential pressures for compressors;
Preferential pressures for pneumatic tools and machines;
Starting, starting and stopping devices;
Pressurized components;
Classification according to the type of activation;
Oscillating piston compressor, classification by type of cooling:
Screw compressor;
Classification according to the type of compression;
Classification according to the type of cooling;
Classification regarding the presence of oil in the air;
Classification according to the type of lubrication;
Classification regarding acoustic protection.
Risk Management Program (PGR):
Alternative piston compressor;
diaphragm compressor;
Free piston compressor;
Liquid ring compressor;
Vane compressor;
Oscillating piston compressor;
Screw compressor;
Centrifugal compressor;
Axial compressor;
Living areas;
Machines, equipment and tools;
Work stages;
Work and safety procedures;
Installations and electrical devices:
Safety rules and regulations;
Risk analysis;
Ergonomic aspects;
Lobe compressor:
Classification according to the type of compression;
Classification regarding acoustic protection;
Classification according to the type of triggering.
Overall rating:
Alternative piston compressor;
Classification according to the cycle;
Classification according to the type of understanding:
Classification according to the type of cooling;
Classification according to the type of arrangement of the pistons;
Classification for the presence of oil in the air:
Classification according to the type of lubrication;
Classification according to the type of activation;
Diaphragm compressor, classification according to the type of actuation;
Liquid Ring Compressor:
Classification according to the type of cycle;
Classification according to the type of compression;
Vane compressor;
Classification according to the type of compression;
Classification according to the type of cooling;
Classification regarding the disposition of the carcass;
Classification regarding the presence of oil in the air;
Electrical installations:
Physical arrangement and facilities;
Impeditive conditions and protective measures for compression and decompression;
Potential risks inherent to hyperbaric work;
Security systems;
Work accidents and illnesses;
Procedures and conduct in emergency situations;
Safety signs;
Additional risks.
Activity Complements:
Awareness of Importance:
APR (Preliminary Risk Analysis);
PAE (Emergency Action Plan;
PGR (Risk Management Plan);
Understanding the need for the Rescue Team;
The importance of knowledge of the task;
Accident prevention and first aid notions;
Fire protection;
Perception of risks and factors that affect people’s perceptions;
Impact and behavioral factors on safety;
Fear factor;
How to find the fastest and easiest way to develop Skills;
How to control the mind while working;
How to administer and manage working time;
Why balance energy during activity in order to obtain productivity;
Consequences of Habituation of Risk;
Work accident causes;
Notions about the Tree of Causes;
Notions about Fault Tree;
Understanding Ergonomics;
Job Analysis;
Ergonomic Hazards;
Hazard Communication Standard (HCS) – OSHA;
Practical exercises:
Registration of Evidence;
Theoretical and Practical Assessment;
Certificate of participation.
Compressed Air Supervisor English
Learn More: Compressed Air Supervisor English
Tubular with hyperbaric pressure
18.7.2.23 The execution of a foundation by means of a compressed air pipe is prohibited.
rock blast
18.7.2.24 The storage, handling and transport of explosives must comply with the manufacturer’s safety recommendations and the regulations defined by the responsible agency.
18.7.2.25 For the fire rock blasting operation, with the use of explosives, it is mandatory to prepare a Fire Plan for each blast, by a legally qualified professional, considering the occupational risks and preventive measures to ensure safety and workers’ health.
18.7.2.26 In the fire, flare or mixed rock blasting operation, there must be a blaster responsible for the storage and preparation of loads, loading of mines, fire order and detonation and removal of unexploded explosives and their proper destination.
18.7.2.27 In special cases, when the loading of explosives needs to be carried out simultaneously with the rock drilling, a minimum distance, determined by the blaster, between the loading location and the drilling location must be guaranteed.
18.7.2.28 Before introducing the loads, the existence of obstruction in the holes must be checked.
18.5.2.29 The loading of holes must be carried out immediately before blasting.
18.7.2.30 The fire area must be protected to prevent the projection of particles when exposing workers and third parties to risk.
18.7.2.31 During loading, only workers involved in the activity must remain on site, in accordance with conditions established by the blaster.
18.7.2.32 The final warning of the detonation must be made by means of a siren, with sufficient sound intensity so that it can be heard in all sectors of the work and in the surroundings.
18.7.2.33 The return time to the detonation location must be defined by the blaster.
S: NR 18
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