Aircraft require continuous maintenance, to guarantee the expected lifetime of the aircraft. Maintenance workers can occasionally be exposed to volumes of chemicals which threaten safety. These volumes of chemicals also pose a risk to the hangars and the aircraft so it is highly recommend that fire and gas detection systems are installed to continuously monitor these threats.
Gas Detection in Aircraft Hangars
Maintenance operations are performed on commercial aircraft in large hangars. Hangars are considered as an explosion risk because of the use and storage of flammable cleaning materials and paints, plus the risk of fuel leaks.
If fuel leaks, vapours will accumulate under the wing and aircraft fuselage; therefore, it is recommended that flame detectors be mounted on hangar walls to view the area under airplane wings.
Combustible gas detectors are also installed in storage areas where volatile gases or liquids are stored.
To protect the aircraft and the hangar, and preserve life, it is strongly recommended that high-performance gas detection, fire detection and suppression systems are installed.
Coating & Painting Maintenance
Aircraft are occasionally stripped of their paint jobs. Whilst engineers perform paint stripping, gas detectors and respirators should be worn as a precaution to safeguard the operators who are exposed to high volumes of gas vapours generated by the solvents used.
Sometimes solvents aren’t suitable and dust clouds are formed during the mechanical process of removing the paint. Dust monitors should be installed to monitor real-time dust levels.
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