IMC 310 is only one section, but it is high-risk because it points the mechanical design team to the fire-code explosion-control path. If the use involves explosion hazards, this is not a standard HVAC note.
Plain-English Summary
Structures used for purposes involving explosion hazards must have explosion control where required by the International Fire Code. Those systems are designed and installed under IFC Section 911.
Mechanical Coordination Point
Mechanical drawings may show ventilation, exhaust, equipment locations, controls, or hazardous-area boundaries tied to the explosion-control strategy. That coordination needs to align with the fire-code report and architectural/life-safety drawings.
Permit Proof Chain
Use/process/material -> hazard classification -> IFC trigger -> explosion-control design basis -> mechanical ventilation/exhaust role -> electrical classification coordination -> controls/alarm interface -> fire-code submittal reference.
Masterbuild QA Lens
Do not let IMC 310 become a generic note. If the project includes combustible dust, flammable vapor, battery, lab, industrial, or fuel-related hazards, identify who owns the explosion-control analysis and where the mechanical work supports it.
Drawing / Submittal Check
Show hazardous rooms and boundaries, exhaust or ventilation basis, fan/equipment classification where applicable, control sequence, and the IFC/explosion-control document reference. Coordinate with fire protection and electrical before permit.
When To Escalate
Escalate any space involving combustible dust, hydrogen, fuel dispensing, flammable liquids, industrial process exhaust, or energy-storage hazards. This is a life-safety/fire-code coordination item, not a solo mechanical decision.