Be Cautious When Entering and Exiting Container Houses

When using container houses, caution should be exercised when entering and exiting, as they pose certain safety hazards, with particular attention needed for fire safety, structural integrity, and unobstructed passageways. Specific precautions are as follows:

1. Beware of Fire Safety Hazards
Container houses are often supported by steel structures, which have poor fire resistance. In a fire, the temperature can reach 800-1000℃, exceeding the critical temperature of steel structures (500℃), causing deformation and local damage to exposed steel structures under load. Ordinary container houses may collapse within 10 minutes after a fire, hindering personnel evacuation and material rescue. To reduce costs, some houses use flammable materials such as polyurethane and polystyrene to fill the panel cores. These materials have low ignition points and poor flame resistance, and can burn violently when exposed to high-temperature sparks or open flames, with the honeycomb structure exacerbating the spread of the fire. For example, in 2020, a container-modified house in Langfang City caught fire due to an electrical circuit fault igniting weeds, leading to the spread of the fire.

2. Regularly Inspect Structural Integrity
Prolonged exposure to humid environments can lead to rusting of steel structures, affecting the stability of the house. Regularly inspect the rusting situation of the walls and main structure, and promptly remove rust and apply paint for maintenance. If used in mountainous or wilderness areas with frequent thunderstorms, lightning rods should be installed to prevent the iron house from becoming a lightning target. For example, in Jiangxi, it is recommended to reduce moisture intrusion and extend the service life by sealing the outer walls and using moisture-proof and heat-insulating cotton.

3. Ensure Unobstructed Passageways
Some users, in order to expand the usable area, do not reserve safety passageways that comply with regulations, and even occupy evacuation passageways to build houses, resulting in serious consequences during fires when personnel evacuation is hindered. Ensure that the width and number of passageways inside the house comply with fire safety requirements, and avoid stacking debris to block escape routes.

4. Standardize Installation and Use
During installation, pay attention to drainage and water supply. The ground level should be higher than the surrounding area, drainage ditches should be excavated around the container, and a "gable" roof should be installed on top. In winter, soundproof and heat-insulating cotton should be added, and air conditioning facilities should be installed to improve thermal insulation performance. For example, in Shanghai, it is recommended that the ground level of container houses be higher than the surrounding area to avoid moisture during the rainy season.