2022 Manitoba Workplace Safety and Health Act and Regulation

No sliding down rig
41.12
An employer must ensure that a worker does not slide down the
escape line or slide down a pipe, tube, rod, kelly, cable or rope line
on a rig, except in an emergency.
Drawworks
41.13
An employer must ensure that the drawworks on a drilling rig is
equipped with an automatic feed control.
Catheads
41.14
An employer must ensure that rope-operated friction catheads are
not used for hoisting on a rig.
Rotary tables
41.15
If visibility on the derrick floor is obscured, an employer must ensure
that a worker does not work on a derrick floor while the rotary table
is in motion.
Pressure relief devices
41.16
An employer must ensure that
(a) drilling fluid pumps and servicing fluid pumps are equipped
with a pressure relief device; and
(b) fluid pumps that use a pressure relief device are routinely
inspected by a competent person to ensure the safe functioning
of the pressure relief device.
Rig tanks or pits
41.17
An employer must ensure that a rig tank or pit used to circulate
drilling fluids contaminated with flammable material is protected
from a source of ignition.

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Workplace Safety And Health Regulation
339
No internal combustion engines near well
41.18(1) An employer must ensure that an internal combustion engine air
intake or exhaust is located at least 5 m from a well that is open to
the atmosphere or any other source of ignitable vapour.
41.18(2) An employer must ensure that an internal combustion engine located
within 10 m of a well that is open to the atmosphere or any other
source of ignitable vapour has
(a) air intake shut-off valves equipped with a remote control easily
accessible from the operator’s station;
(b) a system for injecting an inert gas into the engine’s cylinders
equipped with a remote control easily accessible from the
operator’s station;
(c) a duct that provides air for the engine from a distance of at
least 10 m from the well or any source of ignitable vapour; or
(d) any other device approved for the purpose of section 37
of the Drilling and Production Regulation, Manitoba
Regulation 111/94.
41.18(3) An employer must ensure that the exhaust pipe of any internal
combustion engine located within 10 m of a well that is open to the
atmosphere or any other source of ignitable vapour is
(a) directed away from the well or source of ignitable vapour; and
(b) constructed to prevent a flame from emerging along its length
or at its end.