UNIT VII-QUESTION 1.docx

UNIT VII-QUESTION 1.docx - Smoke and toxic gases can...

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Smoke and toxic gases can migrate outside of the fire area due to the fact that smoke travels along stairways, ducts, corridors, and elevator hoist ways. The spread of smoke and toxic gases can cause much damage, injuries, and even death. Passive design approach uses walls to create barriers. An active design approach uses mechanical systems to exhaust the air. Code mandated installation of smoke control is limited to certain structures. Many structures facilitate quick evacuation. Significantly compartmentalized to inhibit smoke travel is beneficial. Installation of these systems in every structure is however unnecessary. Requirements exist for occupancies with significant evacuation challenge. The basic goal of smoke control is to mitigate the spread of smoke. Smoke control techniques can be standalone or integrated into a building-wide approach. Systems use 100% outdoor air for positive pressurization with 100% exhaust to the outdoors for smoke relief. General approaches include the containment, removal, and opposed airflow.
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  • Fall '19
  • Active fire protection, 20 minutes, Fire protection, Fire sprinkler system

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