Vehicle Lift Sump Pit

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Gregg Harris

Senior Member
Location
Virginia
Occupation
Electrical,HVAC, Technical Trainer
Is the sump pit for a vehicle lift/elevator considered Class 1 Division 1 as described in 515.3 "Pits & Sumps without mechanical ventilation?

Yes
(a)
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Ventilation Provided. The pit area shall be a Class I, Division 2 location where there is mechanical ventilation providing a minimum of six air changes per hour. (b)
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Ventilation Not Provided. Where ventilation is not provided in accordance with 511.3(C)(3)(a), any pit or depression below floor level shall be a Class I, Division 1 location that extends up to the floor level.

The difference between division 1 and two is the ventilation
 
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