Mich. Admin. Code R. 408.16354 - Digesters and blow pits, general
Rule 6354.
(1)
An employer shall ensure that a means of egress is provided at each end of the
room at every floor level of a digester building.
(2) An employer shall ensure that a batch
type digester has all of the following:
(a) A
blowoff valve located so it can be operated from another room, remote from
safety valve.
(b) Blow valves on
rotary digesters pinned or locked in a closed position during the cooking
period.
(c) Pipes, valves, and
fittings classified as heavy duty between the digester and blow pit. These
pipes, valves, and fittings shall be inspected at least semiannually to
determine the degree of deterioration and shall be replaced when
necessary.
(d) Through bolts
instead of cap bolts on pipe joints.
(3) A side opening to a blow pit is preferred
on the side of the pit instead of on the top. The opening shall be as small as
possible when located on the top, and shall be protected as prescribed in
General Industry Safety and Health Standard Part 2 "Walking-Working Surfaces,"
as referenced in
R
408.16302.
(4) Access to a blow pit shall be by a ladder
designed to keep the door open when the ladder is in place, or an employee is
within the pit.
(5) Blow-pit hoops
shall be maintained in a safe condition.
(6) Personal protective equipment as
prescribed in
R
408.16313 and General Industry Safety and Health
Standard Part 33 "Personal Protective Equipment," as referenced in
R
408.16302, shall be provided and worn when repairing
or removing old brick lining from a digester.
(7) An employer shall ensure that fresh air
is blown constantly into the digester while employees are inside. Supplied-air
respirators shall be available if the fresh air supply fails or is
inadequate.
(8) An inspector shall
not enter a digester unless a lifeline is securely fastened to his or her body
by means of a safety belt and at least 1 other experienced employee is
stationed outside the digester to handle the line and to summon assistance. All
ladders and lifelines shall be inspected before each use.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.