Current through all regulations passed and filed through September 16, 2024
(A) Mixers.
(1) All mechanically or electrically operated
mixers shall be equipped with a counterbalance, automatic device, or the
equivalent, designed to return the mixer to an upright position or to prevent
it from further tipping in case of power failure.
(2) All hydraulically powered mixers shall be
equipped with an emergency valve so arranged that if the main operating valve
fails while the mixer is pouring, the emergency valve can be operated
immediately to return it to an upright position or to prevent it from further
tipping.
(3)
Moist metal shall not be added to molten
metal.
(B) Mixer
building.
The mixer building shall be equipped with an audible warning
device which shall operate automatically during any pouring operation.
(C) Auxiliary hoists (mixer ladle
cranes).
Auxiliary hoists on mixer ladle cranes shall be equipped with a
type of hook which can be attached to the ladle after the ladle has been
hoisted into pouring position.
(D) Oxygen furnaces - blown basic steelmaking
process.
(1) Each oxygen furnace - blown basic
steelmaking process - shall be equipped with a means of communication
connecting the charging crane, the charging floor, each operating floor and
each pulpit.
(2) Charging floors
and operating floors shall be provided with approved handrails and toeboards.
This does not apply to pouring and mold preparation platforms.
(3) Pit areas on charging and tapping sides
of steelmaking processes shall be provided with drainage.
(4) Provision shall be made to shut off the
oxygen when a furnace is shut down for repairs.
(5) Tapping platforms and charging floors.
(a) Tapping platforms and charging floors
shall be provided with standard guardrailings. This does not apply to pouring
and mold preparation platforms.
(b)
A guard shall be provided to protect the opening in the railing of a tapping
platform used for spouts and runners, which may be removed when work is being
performed at that point.
(E) Electric furnaces.
(1) Provision shall be made to lock out the
source of power when work is performed in or on an electric furnace.
(2) Transformer vaults for electric furnaces
shall be kept locked at all times and accessible only to authorized
personnel.
(3) Tapping platforms
and charging floors.
(a) Tapping platforms and
charging floors shall be provided with standard guardrailings. This does not
apply to pouring and mold preparation platforms.
(b) A guard shall be provided to protect the
opening in the railing of a tapping platform used for spouts and runners, which
may be removed when work is being performed at that point.
(F) Muffle furnaces.
Muffle furnaces shall be equipped with a safe means of
lighting.
(G) Scrap
breakers.
Where a demolition weight is used to break skulls and scrap,
the operation shall be performed in a restricted or guarded area identified by
appropriate signs and away from employees not involved in demolition
work.
