regarding the question about how close do we need to get? Close enough to evaluate the condition of the internal brick liner and determine whether or not repairs are necessary. Hope that answers the question.
We are trying to avoid sending the workers up to the top of the stack. There is an existing step iron ladder system, but it was built in the 1940s. It should be ok, but we want to avoid sending workers up to the top of the stack (or up the stack at all). Typically, in the industry, a climbing...
one problem with the balloon idea is that the balloon would have to enter through the top. there is no entrance from the below the top with the stack operating.
I am looking for ideas related to performing a video/camera type inspection of a ~300ft tall stack with ~8.5ft diameter at it's top with remote controlled equipment. I've seen the T-Hawk from Honeywell and I am looking into it, but I wanted to ask for help on this site about what other options...
Labels are applied to the Air Gapped conduit/cable, utility or equipment scheduled for dismantlement activities.
Sorry for the misspell Dave. I should have said Decommissioning and Demolition (D & D).
All I have found is the following:
Air Gap: a physical separation that isolates a connection to a voltage source or potential. Reconnection of physical separation shall require extreme effort, or shall be impossible.
physical act of cutting a 12” to 24” section of raceway/cable. AIR GAPPED...
