【Daily Question】Utilities - HVAC - 20190122

2019-01-22View Original

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Ductwork should not pass through firewalls and expansion joints; if it is necessary to do so, a () should be installed at the point where it passes through the firewall. Answer: Ductwork should not pass through firewalls and expansion joints; if it is necessary to do so, a fire damper should be installed at the point where it passes through the firewall.

Reply #22019-01-22

Ductwork should not pass through firewalls and expansion joints; if it is necessary to do so, a fire damper should be installed at the point where it passes through the firewall.

Reply #32019-01-22

Ductwork should not pass through firewalls and expansion joints; if it is necessary to do so, a fire damper should be installed at the point where it passes through the firewall.

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【Daily Question】Utilities - HVAC - 20190122

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