Temporary Barriers or Negative-Air Equipment Block the Installation Route

The approved duct path is blocked by the temporary containment and negative-air setup. I checked the alternate route and the section will not turn through it. Can we coordinate a controlled barrier opening or revised installation sequence with the containment owner?

Grease Duct, Kitchen & Industrial Exhaust 2nd Year YELLOW

Stop if

Stop before changing specialty exhaust, fire/life-safety work, shutdown conditions, controls, structural support, waterproofing, manufacturer-specific requirements, or occupied-space protection without the responsible direction.

Watch out

Do not unplug, relocate, cut, or prop open containment equipment to get duct through.

Check

current drawings and affected system tags
grid/location and measured conditions
photos showing the conflict or temporary condition
relevant equipment, hood, controls, roofing, or store information
what has already been checked

Say this to your foreman

temporary barriers or negative-air equipment block the installation route temporary barrier negative air blocks duct route occupied retail remodel containment re-plan the material path and work sequence with the containment owner before moving, cutting, or opening barriers. temporary walls, negative-air machines, hoses, filters, and protected paths may be part of the occupied-space control plan and cannot be moved casually. the approved duct path is blocked by the temporary containment and negative-air setup. i checked the alternate route and the section will not turn through it. can we coordinate a controlled barrier opening or revised installation sequence with the containment owner?

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