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4.7.4.1.(2) | Application | Intent |
| OP1 | OS1 | OP3 | OH5 |
| Objective | OS1 Fire Safety |
| Attribution | |
| Application | Application 1: Minimum distance from a loading structure to a railway
line at bulk plant rail loading and unloading facilities, including at buildings for the shelter of personnel or pumps as stated
in Sentence 4.7.4.1.(3). This applies to properties
or portions of properties where flammable liquids or combustible liquids are received in bulk quantities
and are stored or handled for the purpose of being distributed.
Exceptions:
except as exempted in Sentences 4.1.1.1.(2) and (3), which apply to unique hazards
at process plants, in transportation, for oil
burning equipment, on farms and isolated construction projects, and the storage
of aerosol products.
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| Intent | Intent 1: To limit the probability that normal train operations will
lead to excessive vibrations or ground settling, which could lead to the failure
of flammable or combustible liquid piping systems at the loading and unloading
facilities, which could lead to the escape of liquid, which could lead to
the accumulation and subsequent ignition of vapour from a nearby ignition
source, which could lead to harm to persons. Intent 2: To limit the probability that a train derailment will lead
to impact with or damage to the flammable or combustible liquid piping systems
at the loading and unloading facilities, which could lead to the failure of
the piping systems, which could lead to the escape of liquid, which could
lead to the accumulation and subsequent ignition of vapour from a nearby ignition
source, which could lead to harm to persons. Intent 3: To limit the probability that a fire involving railway cars
will spread to the flammable or combustible liquid piping systems at the loading
and unloading facilities, which could lead to harm to persons nearby.
Intent 4: To limit the probability that a fire involving the flammable
or combustible liquid piping systems at the loading and unloading facilities
will spread to the railway cars, which could lead to harm to persons nearby.
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