Is It A Balancing Damper Or A Fire Damper?
Treating a fire damper as a balancing damper (or vice versa)
Red / Stop And Verify2ndBatch 4
What This Helps With
Treating a fire damper as a balancing damper (or vice versa)
Apprentice words: fire damper
Trade terms: volume/balancing damper vs fire damper/smoke damper
Check First
Handle/actuator, fusible link, sleeve, and the drawings/schedule
What Not To Do
Modify, prop, or defeat a fire/smoke device
What can go wrong: Assuming any damper is 'just balancing'
Better Foreman Question
Is this a life-safety damper or a balancing damper on the schedule?
Verify With
Reference type: NFPA 90A
Source to verify: NFPA 90A/UL 555; drawings; AHJ
Safe wording: RED ZONE. If it could be life-safety, stop and verify with foreman/AHJ before touching.