Hi Monana - We too only have two passenger elevators as our freight
elevator got nixed in the original construction in the early 90s. We
are just finishing up a renovation and I tried like crazy to get
them to add a freight elevator in, but to no avail. They wanted
$250,000 for the added elevator.
The best I have been able to do is get the run key from our elevator
mechanic. This allows us to lock out the unit for transport (will
not open on intermediate floors). However, that does not keep folks
from riding with LN2 tanks!
Sammye
On 4/15/2019 2:39 PM, Monona Rossol
wrote:
Oh
Christina, that is going to do it. Many, many thanks. And
thanks to the NFPA 45 committee who put a wee bit of common
sense into the standard. I found a lot of university policies
that stated only the freight ekevator should be used for
transport. This job I'm on
is a renovation, so we are stuck with only two passenger
elevators.
The 2019 edition
reference is A.8.3.3.1 and this edition has an
additional sentence tacked to the end of the
statement. "Transport of flammable, corrosive,
toxic or highly toxic gases, cryogenic cylinders
or dewars, or dry ice and similar oxygen depleting
compounds should always be done with no one in the
elevator."
The
"non-requirement" is found in Annex A of NFPA
45, A.8.2.3.1. I suspect that the
"suggestion-to-requirement" will be up to the
Authority Having Jurisdiction.
I must have
remembered wrong. There certainly should be
a lot of rules in place not to have the
public sharing the elevator with large
shipments of liquid chemicals such as those
planned for transport within a particular
public building I'm thinking of. It just
seems crazy to me. Monona
It is a best
practice not to move gas cylinders,
cryogenic cylinders, and
even dry ice on elevators due to the
potential for asphyxiation, fire, or
toxic exposure in the event of an
extended elevator failure or
cylinder/container release but I don't
know of any code that prevents it.
I remember people talking about a
standard that addressed the use of
passenger elevators for transport of
chemicals to labs. Can someone help
me find that standard and reference?
Thanks muchly
Monona Rossol
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