Types & Inspection (Fire Damper) Building Codes & Rules

Air Damper^{AS 1668.1:2015, 2.5.1 (e)}

• Opens or closes in a Smoke Control System to regulate air

Fire Damper Types

• Mechanical Fire Damper^{AS 1668.1:2015, 2.5.1 (a)}
• Thermally released
• Activated by a Fusible Link, melting at high temperatures
• Curtain / Drop Type (most common)
• Single & Multi-blade Type
• Motorized Fire Damper^{AS 1668.1:2015, 2.5.1 (b)}
• Uses an Electric Actuator to operate Damper
• Controlled by signal from the main Fire Control Panel
• Intumescent Fire Damper^{AS 1668.1:2015, 2.5.1 (c)}
• Heat triggers expansion of Intumescent Slats
• Swollen Slats fuse together, creating a thick fire & Smoke Barrier

Inspection & Service^{AS 1851:2012, 12.1AS 1851:2012, 13.4}

Smoke Damper^{AS 1668.1:2015, 2.5.1 (d)}

• Comparable to Fire Dampers in Fire Resistance Score
• Motorized & activated by Fire Control Panel
• Blocks Smoke in Ducts when triggered by a Remote Signal

Access Panel

Fire Wall

Smoke Wall

Fire Damper Considerations

• Correct Mounting
• Clean & tidy installation
• No gaps, holes, & missing parts
• Verify presence of properly labelled Access Panel
• New Damper Certification
• Number & Label each Damper
• Attach installation Label
• Issue Certification Letter
• Modify Existing Dampers
• Ensure re-inspection, re-certification & repair if necessary
• Hire Certified Professional to sign off Certifications

Damper

• Specifications to AS 1682.1
• To comply with AS 1682.2, & Manufacturer's Installation Instructions^{AS 1682.2:2015, 6.1}
• Safety device & crucial feature of HVAC System for air flow control in case of fire^{NCC 2022 Vol 1, E2O1}
• Implement compartmentation strategies, & smoke / fire control methodologies to create a safe environment for individuals
• FRL must be equal to the Fire Rated Element rating^{NCC 2022 Vol 1, S13C1}