Construction in a hospital increases the risk of which hazard?

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Construction activity in a hospital raises the risk of fire because it brings in ignition sources such as hot work (welding, cutting), portable electrical equipment, and temporary wiring, often near flammable materials and oxygen-rich environments. Temporary walls and debris can also create new flame paths and compromise fire barriers, making containment harder. Fire protection systems may be disrupted or difficult to access during construction, which can delay detection and suppression. Hospitals house vulnerable patients and critical care areas where a rapid fire could have severe consequences, heightening the need to prevent any ignition. While electrical faults, noise, or potential contamination are important concerns, the combination of ignition sources, disrupted barriers, and essential medical gases makes fire risk the most significant hazard during hospital construction.