reglab/statecodes huggingface dataset:
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › RESISTANCE WELDING › Section R. 408.11281 - Resistance welding generally

Current through Vol. 24-12, July 15, 2024
Rule 1281.
(1)
						An inspection shall be made of a resistance welding machine not less than
						yearly and records maintained of the findings and action taken. In addition,
						the operator shall report any defects to his or her supervisor. A defect which
						could cause injury shall be repaired before the machine is placed in
						operation.
(2) Each resistance
						welding operation shall be analyzed and safeguards and personal protective
						equipment shall be used where a hazard is found.
(3) The operator of a resistance welding
						machine and nearby employees shall be protected from flying sparks by shields,
						curtains, goggles, or a combination of a face shield and safety glasses as
						prescribed in
						R 408.11211.
(4) A resistance welding machine shall be
						installed by a qualified employee under the direction of a licensed electrician
						or supervised by a welding engineer.
(5) A disconnect switch, circuit breaker, or
						circuit interrupter shall be installed on or near the machine so that power can
						be shut off and locked out when the machine needs servicing.
(6) A pair of ignitron tubes used in
						resistance welding equipment shall be equipped with a thermal protection
						switch. When used in a series connected water line, a single switch shall be
						sufficient if related to the downstream tube.
(7) Controls for automatic, air, or hydraulic
						clamps and resistance machines shall be located or guarded to prevent
						accidental activation.
(8) A foot
						control for a resistance welder, other than that used to apply weld pressure,
						shall be guarded to prevent accidental activation.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › RESISTANCE WELDING › Section R. 408.11282 - Nonportable spot and seam welding machines

Current through Vol. 24-12, July 15, 2024
Rule 1282.
(1)
						An external weld initiating control circuit for a nonportable spot or seam
						welding machine shall operate at not more than 120 volts for stationary
						equipment and not more than 36 volts for portable equipment.
(2) Stored energy or capacitor discharge type
						of resistance welding equipment and control panels involving more than 500
						volts (550 rms volts) shall be insulated and completely enclosed. Doors of this
						equipment and control panels shall be interlocked in a manner to interrupt the
						power and short circuit all capacitors when the door is opened. In addition to
						the mechanical interlock, a manually operated switch or equivalent device shall
						be installed to insure absolute discharge of the capacitors.
(3) The door and access panel of the
						resistance welding machine and its control panel accessible at production floor
						levels shall be kept locked or interlocked to prevent entry by unauthorized
						employees to energized portions of the equipment. A door or access panel shall
						be considered locked if a key or wrench is required to open it.
(4) Where an operator's fingers are inserted
						between the electrodes during operation of a press welding machine, a device or
						guard, such as but not limited to an electric eye, 2-hand control, barriers or
						pull backs shall be provided and used.
(5) One or more safety emergency stop devices
						shall be provided on all multispot welding machines with a minimum of 1 stop
						device at each operator position.
(6) A large welding press shall be equipped
						with one or more safety pins, latches, or blocks capable of sustaining the full
						static load. The blocks, pins, and latches shall be electrically interlocked
						with the power source so that when the blocks are removed from their storage
						area on the machine and inserted under the ram or platen, the machine becomes
						inoperative.
(7) The welding
						transformer secondary shall be grounded by one of the following:
(a) Permanently grounding 1 side of the
						welding secondary circuit.
(b)
						Connecting a grounding reactor across the secondary winding with a reactor tap
						to ground.
(c) As an alternate, on
						nonportable machines, arranging for an isolation contactor to open 1 side of
						the line, while the welding or electronic contactor shall open the other
						side.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › RESISTANCE WELDING › Section R. 408.11283 - Portable welding guns

Current through Vol. 24-12, July 15, 2024
Rule 1283.
(1)
						Unless the design makes it unnecessary, a portable welding gun shall be
						counterbalanced including the cables.
(2) All suspended portable welding gun
						equipment, except the gun assembly, shall be equipped with a safety chain or
						cable capable of supporting the total shock load in event of failure of any
						component of the supporting system.
(3) When a trolley is used to support a
						portable welding machine with a clevis for attachment to a safety chain, the
						clevis shall be wrought or forged steel and capable of supporting the shock
						load in event of failure of the trolley.
(4) The movable holder shall have such
						clearance where it enters the welding gun frame that a shear action cannot take
						place if the operator's fingers are placed on the operating movable holder or
						guarding shall be provided.
(5) The
						secondary and case of a portable welding transformer shall be grounded by a
						center tapped secondary or by a center tapped grounding reactor connected
						across the secondary.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › RESISTANCE WELDING › Section R. 408.11284 - Flash welding

Current through Vol. 24-12, July 15, 2024
Rule 1284.
(1)
						A flash welding machine shall be equipped with a hood to control flying
						flash.
(2) For the protection of an
						operator of nearby equipment, fire-resistant curtains or suitable shields shall
						be set up around the machine and in such a manner that the operator's movements
						are not hampered.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11291 - Acetylene generators; marking; pressure limits

Current through Vol. 24-12, July 15, 2024
Rule 1291.
(1)
						An acetylene generator shall be of approved construction and permanently marked
						with the following information:
(a)
						Manufacturer's name and address.
(b) Name or model number of the
						generator.
(c) Capacity in cubic
						feet per hour.
(d) Weight and size
						of carbide of a single charge.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11292 - Stationary acetylene generators

Current through Vol. 24-12, July 15, 2024
Rule 1292.
(1)
						An acetylene generator shall be installed level and in a manner not to place a
						strain on the generator or its connections. A generator shall be electrically
						grounded.
(2) A generator shall be
						located where water will not freeze. Heating shall be by steam, hot water, or
						other indirect means. Open flames, fire, or other sources of ignition shall not
						be permitted inside a generator house, room, or in any enclosure communicating
						with them. Sodium chloride or other corrosive chemicals shall not be used for
						protection against freezing.
(3) A
						water supply line to an acetylene generator with a noncontinuous connection
						shall terminate not less than 2 inches (5.08 centimeters) above the fill
						opening so that the water can be observed as it enters the generator. A supply
						line with a continuous connection shall be used only when the generator is
						provided an open overflow or an automatic water shutoff which will prevent
						overfilling the generator.
(4) An
						acetylene generator shall discharge only through an open connection into a
						vented outdoor receptacle or residue pit.
(5) Each generator shall be provided with a
						vent pipe of galvanized iron or steel. The pipe shall be secured to the
						building without a trap and shall be installed so that condensation will drain
						back to the generator. The pipe shall carry to outside the building and shall
						terminate in a hood or bend not less than 12 feet from the ground and 3 feet
						(.91 meters) from combustible construction, away from a window or other opening
						in a building and any source of ignition, and shall be constructed so that
						rain, snow, insects, or birds cannot obstruct the opening. The vent pipes from
						several generators shall not be interconnected, but shall lead outside
						separately.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11293 - Gas holders

Current through Vol. 24-12, July 15, 2024
Rule 1293.
(1)
						A gas holder shall be constructed on the gasometer principle, the bell being
						suitably guided. The gas bell shall move without a tendency to bind and shall
						have a clearance of not less than 2 inches (5.08 cm) from the shell.
(2) The compressor or booster cutoff of a gas
						holder shall be located 12 inches above the landing point of the gas bell to
						prevent collapse of the bell.
(3) A
						gas holder shall be located in a heated and ventilated room as prescribed in R
						408.11292(2) and the Michigan Occupational Safety and Health Administration
						(MIOSHA) standards. When heat is not supplied, the gas holder seals shall be
						protected from freezing.
(4) A
						means shall be provided to stop the generator feeding mechanism before the gas
						holder reaches the upper limit of its travel. A gas holder connected to only 1
						generator shall have a capacity of not less than 1/3 of the hourly rating of
						the generator.
(5) Protective
						devices shall be installed in each supply line when acetylene is used from a
						gas holder without an increase in pressure at some points but with increased
						pressure by a compressor or booster pump at other points. A low pressure
						protective device shall be installed between the gas holder and the shop
						piping, and a medium pressure protective device shall be installed between the
						compressor or booster pump and the shop piping (see FIGURE 2). Approved
						protective equipment is used to prevent all of the following:
(a) Backflow of oxygen into a fuel gas supply
						system.
(b) Passage of a flashback
						into a fuel gas supply system.
(c)
						Excessive back pressure of oxygen in the fuel gas supply system. The 3
						functions may be combined in 1 device or may be provided by separate
						devices.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11294 - Stationary acetylene generators; outside houses and inside rooms

Current through Vol. 24-12, July 15, 2024
Rule 1294.
(1)
						An opening in an outside acetylene generator house shall not be located within
						5 feet (1.6 meters) of an opening in another building. The walls, floor, and
						roof shall be of noncombustible construction with a 1-hour, fire-resistance
						rating.
(2) Where part of a
						generator house is used for storage or manifolding of oxygen cylinders, the
						space to be occupied shall be separated from the generator or carbide storage
						section by construction partition walls continuous from floor to ceiling,
						gastight, constructed as prescribed in subrule (1) of this rule, securely
						anchored and with not less than 1 exterior wall. Separation walls shall be
						without openings. Exit doors shall be located so as to be accessible in an
						emergency.
(3) Explosion venting
						for generator houses and rooms shall be provided in the exterior wall or roof.
						The venting area shall be equal to not less than 1 square foot (.092 square
						meters) per 50 cubic feet (1.42 cubic meters) of room volume and may consist of
						1 or any combination of the following:
(a)
						Walls of light, noncombustible material, preferably single-thickness,
						single-strength glass.
(b) Lightly
						fastened hatch covers.
(c) Lightly
						fastened swinging doors on exterior walls which swing outward.
(d) Lightly fastened walls or roof designed
						to relieve at a pressure of not more than 25 pounds (11.35 kilograms) per
						square foot.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11295 - Portable acetylene generators

Current through Vol. 24-12, July 15, 2024
Rule 1295.
(1)
						A portable acetylene generator shall not be used within less than 10 feet (3.2
						m) of combustible material other than the floor. Ceiling height shall be not
						less than 10 feet (3.2 m).
(2) A
						portable generator shall be located in a room with a total volume of not less
						than 35 times the total gas generating capacity per charge of all generators in
						the room. The gas generating capacity in cubic feet per charge is figured by
						multiplying the pounds of carbide per charge by 4 1/2.
(3) A portable acetylene generator shall:
(a) Be protected from freezing. Salt or other
						corrosive chemicals shall not be used.
(b) Be cleaned, recharged and the air mixture
						blown off outside the building.
(c)
						Not be moved by a crane or derrick when charged. When transported and operated
						on a vehicle, it shall be secured to the vehicle. The generator shall not be
						operated, charged or cleaned while vehicle motor is running.
(d) Not be stored in a room in which an open
						flame is used unless the generator contains no carbide and has been purged of
						acetylene. The storage room shall be ventilated.
(e) Be protected from any source of spark or
						flame.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › ACETYLENE GENERATORS › Section R. 408.11296 - Maintenance and operation

Current through Vol. 24-12, July 15, 2024
Rule 1296.
(1)
						An unauthorized employee shall not enter an acetylene generator room or
						house.
(2) Operating instructions
						shall be posted near the acetylene generator for ready reference.
(3) A batch type acetylene generator shall be
						flushed with water and the water supply replenished after a charge of carbide
						is exhausted, before additional carbide is added.
(4) The water carbide residue mixture shall
						be piped into a settling pit not a sewer pipe. Only the clear water from the
						settling pit may be discharged into a sewer pipe.
(5) Carbide added to an acetylene generator
						shall refill the space provided without ramming the charge. Steel or other
						ferrous tools shall not be used.
(6) The water chamber of an acetylene
						generator shall be maintained at the indicated level except when draining
						during a recharging operation.
(7)
						Prior to making a repair involving a source of ignition, such as welding,
						soldering, or other hot work, the carbide charge and feed mechanism shall be
						removed. All acetylene shall be expelled by completely flooding the generator
						with water and disconnecting the generator from the piping system. Water shall
						be maintained in the generator until repairs are completed. Hot repairs shall
						not be made in a room or house with other acetylene generators unless all
						generators and piping have been purged.
(8) Whenever repairs are to be made, or the
						generator is to be charged, or the carbide is to be removed, the water chamber
						shall be filled to the proper level.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › CARBIDE STORAGE › Section R. 408.11297 - Carbide storage; general

Current through Vol. 24-12, July 15, 2024
Rule 1297.
(1)
						Carbide shall be contained in metal packages capable of containing the material
						without rupture. The package shall be made watertight and airtight without
						using a solder that would melt during a fire. The package shall have a screw
						top or equivalent.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › CARBIDE STORAGE › Section R. 408.11298 - Carbide storage indoors

Current through Vol. 24-12, July 15, 2024
Rule 1298.
(1)
						Inside storage areas for carbide shall not be protected by a sprinkler
						system.
(2) Carbide stored indoors
						shall not exceed 600 pounds (272.2 kilograms). The area shall be dry,
						waterproof, and ventilated. Carbide storage with cylinders of fuel gas shall
						not exceed 600 pounds (272.2 kilograms).
(3) Packages of carbide, except for 1 of each
						size, shall be kept sealed. A seal shall not be broken when there is more than
						1 pound (.454 kilograms) of any other unsealed package of the same size of
						carbide in the room.
(4) Carbide in
						excess of 600 pounds (272.2 kilograms), but not more than 5,000 pounds (2267.96
						kilograms), shall be stored as follows:
(a)
						In an inside acetylene generator room or outside generator house.
(b) In a separate room of a 1-story building,
						which may contain other occupancies, that is without a cellar or basement
						beneath the carbide storage area. This room shall be constructed as prescribed
						in
						R 408.11294 and shall not be used
						for any other purpose.
(c) In a
						1-story building which is without a cellar or basement and which is used for no
						other purpose. If the building is of noncombustible construction, it may adjoin
						another 1-story building, but the buildings shall be separated by an unpierced
						firewall. If the building is separated by less than 10 feet (3.2 meters) from
						another building, there shall be no openings in the mutually exposed sides
						within 10 feet (3.2 meters). If the carbide storage building is of combustible
						construction, it shall be not less than 20 feet (6.4 meters) from any other 1-
						or 2-story building and not less than 30 feet (9.6 meters) from any other
						building more than 2 stories.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 12 - WELDING AND CUTTING › CARBIDE STORAGE › Section R. 408.11299 - Carbide storage outside

Current through Vol. 24-12, July 15, 2024
Rule 1299.
(1)
						Only unopened metal containers of carbide shall be stored outside.
(2) The container of carbide stored outside
						shall be inspected monthly for water and air tightness and rusting.
(3) The bottom tier of each row of carbide
						containers shall be placed on wooden planking or equivalent so that the
						container will not make contact with the ground or ground water.
(4) Containers of carbide shall be used on a
						first in, first out basis.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 13 - DERRICKS › Section R. 408.11301 - Rescission of federal standards

Current through Vol. 24-12, July 15, 2024
Rule 1301. The following provisions of
						29
						C.F.R. 1910.181, incorporated by reference in
						section 14 of Act No. 154 of the Public Acts of 1974, being S408.1014 of the
						Michigan Compiled Laws, are rescinded:
(a) 1910.181(f)(2)(i)(g).
(b) 1910.181(f)(3)(iii)(c).
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11401 - Scope

Current through Vol. 24-12, July 15, 2024
Rule 1401. This part applies to the construction,
						maintenance, and operation of conveyors and conveying machinery in, about, or
						around employment. This part does not apply to industrial trucks, underground
						mining conveyors, passenger conveyors, stacker cranes, driverless electronic
						tugs, or construction equipment.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11402 - Referenced standards

Current through Vol. 24-12, July 15, 2024
Rule 1402. The following Michigan Occupational Safety and
						Health Administration (MIOSHA) standards are referenced in these rules. Up to 5
						copies of these standards may be obtained at no charge from the Michigan
						Department of Licensing and Regulatory Affairs, MIOSHA Regulatory Services
						Section, 530 West Allegan Street, P.O. Box 30643, Lansing, Michigan, 48909-8143
						or at the following website:
www.michigan.gov/mioshastandards
.
						For quantities greater than 5, the cost, at the time of adoption of these
						rules, is 4 cents per page.
(a)
					 General Industry Safety and Health Standard Part 2. "Walking-Working Surfaces,"
					 R
					 408.10201 to
					 R
					 408.10241.
(b) General Industry Safety and Health
					 Standard Part 7. "Guards for Power Transmission,"
					 R
					 408.10701 to
					 R 408.10765.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11403 - Definitions; A to C

Current through Vol. 24-12, July 15, 2024
Rule 1403.
(1)
					 "Aisle" means a path of travel for vehicles and employees.
(2) "Belt conveyor" means an endless belt
					 operating between a drive and a tail-end, with or without bend terminals, and
					 over idler rolls or slider beds that handles bulk materials, packages, or
					 objects placed directly on the belt. See figure 2.
(3) "Belt tripper" means a device
					 incorporating a system of pulleys that cause a conveyor belt to load or unload
					 material at 1 or more points along the length of a belt conveyor. See figure
					 3.
(4) "Bucket, gravity discharge
					 or pivoted bucket conveyor" means a series of buckets mounted between 2 endless
					 chains or on a belt which may operate in horizontal, inclined or vertical
					 paths. See figure 4.
(5) "Conveyor"
					 means a horizontal, inclined or vertical device for moving or transporting bulk
					 materials, packages or objects in a predetermined path by design and having
					 points of loading or discharge fixed or selective.
(6) "Crossover" means a stile-like device
					 used to cross over a conveyor or machine.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11404 - Definitions; D to I

Current through Vol. 24-12, July 15, 2024
Rule 1404.
(1)
					 "Declined conveyor" means a conveyor transporting down a slope.
(2) "Extendable conveyor" means a conveyor
					 which may be lengthened or shortened by power to suit operating
					 needs.
(3) "Hanger" means a
					 bearing, housing or frame which supports a shaft below a point at which the
					 hanger is attached to the conveyor frame, trough or other structure.
(4) "Hinged section" means a section of
					 conveyor equipped with a hinge mechanism for movable service.
(5) "Horizontal reciprocating or walking beam
					 conveyor" means a reciprocating beam or beams that through hinged flights,
					 special fixtures or other means advances material in a horizontal plane. See
					 figure 7.
(6) "Inclined conveyor"
					 means a conveyor transporting up a slope.
(7) "Indexing" means the controlled starting
					 or stopping of a conveyor by distance or time.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11405 - Definitions; L to N

Current through Vol. 24-12, July 15, 2024
Rule 1405.
(1)
					 "Live roller conveyor" means a series of rollers over which objects are moved
					 by application of power to some or all of the rollers.
(2) "Means of egress" means a continuous path
					 of travel from any point in a building to the open air outside at ground
					 level.
(3) "Monorail or trolley
					 conveyor" means a series of trolleys supported from or within an overhead track
					 and connected by an endless propelling medium, such as a chain, cable or other
					 linkage, with loads usually suspended from the trolley.
(4) "Nip point" means that point where a
					 moving object creates a pinch or shearing action with a fixed or another moving
					 object.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11406 - Definitions; P

Current through Vol. 24-12, July 15, 2024
Rule 1406.
(1)
					 "Passageway" means a path of travel for foot traffic only.
(2) "Pinch point" means a point at which it
					 is possible to be caught between moving parts of a machine or between moving
					 and stationary parts of a machine, or between the material and any part of a
					 machine.
(3) "Pneumatic conveyor"
					 means a system of tubes or ducts through which objects or bulk materials are
					 conveyed by a pressure or vacuum system. See figure 5.
(4) "Portable conveyor" means a transportable
					 conveyor, usually having supports which provide mobility. See figure
					 6.
(5) "Pulley" means a wheel,
					 usually cylindrical but sometimes polygonal in cross section, with the wheel's
					 center board for mounting on a shaft and used to transmit power or change
					 direction.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11407 - Definitions; R to V

Current through Vol. 24-12, July 15, 2024
Rule 1407.
(1)
					 "Rollback" means an uncontrolled run of a conveyor down an inclined slope
					 opposite to the direction of intended travel.
(2) "Roller conveyor" means a series of
					 rollers supported in a frame over which packages or objects are moved manually,
					 by gravity or by power. See figure 8.
(3) "Runaway" means an uncontrolled run of a
					 conveyor on a declined slope in the direction of intended travel.
(4) "Safety factor" means the ratio of the
					 breaking strength of a piece of material or object to the maximum designed load
					 or stress applied when in use.
(5)
					 "Safety limit switch" means a final device used to disconnect power to a
					 conveyor in case of control or operator failure.
(6) "Slat conveyor" means 1 or more endless
					 chains to which non-overlapping, non-interlocking, spaced slats are attached to
					 form a moving support for packages or objects being conveyed. See figure
					 9.
(7) "Suspended tray conveyor"
					 means pendant trays or carriers attached to 1 or more endless chains which
					 receive and deliver packages or objects at 1 or more locations. See figure
					 10.
(8) "Vertical reciprocating
					 conveyor" means a conveyor with power or counterbalanced gravity actuated
					 carriers which receive and discharge material to other elevations.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11411 - Employers' and employees' general responsibilities

Current through Vol. 24-12, July 15, 2024
Rule 1411.
(1)
					 An employer shall provide training to an employee working on or by a conveyor
					 regarding the hazards and safeguards of such work.
(2) An employer shall establish an inspection
					 program to maintain conveyor components in a condition which does not
					 constitute a hazard to the employee.
(3) An employee shall not ride, cross or walk
					 on a conveyor unless it is designed for riding or crossovers are provided as
					 specified in
					 R
					 408.11425, except a floor-level slat type conveyor
					 moving at not more than 60 feet per minute. A chain or cable conveyor used to
					 tow objects does not require a crossover if the conveyor is not more than 8
					 inches above the floor, 12 inches in width and painted yellow in
					 color.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › Section R. 408.11412 - Maintenance

Current through Vol. 24-12, July 15, 2024
Rule 1412.
(1)
					 Lubrication shall be accomplished by 1 of the following methods:
(a) Scheduling when a conveyor can be shut
					 off and locked out.
(b) Automatic
					 pressure or gravity feed system.
(c) Extension pipe leading to an area outside
					 of guards or away from any hazard.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11421 - Guarding

Current through Vol. 24-12, July 15, 2024
Rule 1421.
(1)
						Where a hazard exists, guards must be provided to protect an employee from
						contact with moving parts where adjustments are required when a conveyor is in
						operation.
(2) A lift or transfer
						point must have any nip point guarded and must have a means of complying with
						power lockout rules.
(3) A conveyor
						that indexes must be guarded so that an employee will not be caught or trapped
						by the sudden movement of the conveyor.
(4) A conveyor must be guarded so that an
						employee will not be caught or trapped between the conveyor and a stationary or
						moving part.
(5) A trolley conveyor
						installed overhead and dipping to a work station must have a guard or barrier
						in compliance with General Industry Safety and Health Standard Part 2.
						"Walking-Working Surfaces," as referenced in
						R
						408.11402, or the area must be designated as
						non-pedestrian and telltales must be hung along the portion of the conveyor
						that dips to protect an employee from accidental injury.
(6) An opening for a conveyor through a floor
						or wall must be guarded in compliance with General Industry Safety and Health
						Standard Part 2. "Walking-Working Surfaces," as referenced in
						R
						408.11402.
(7) A conveyor passing over a walkway,
						passageway, or work area must be provided with a pan or screen-type guard
						containing sides sufficient to contain any falling material that would cause
						injury. The designed strength of the guard must be capable of and must continue
						to withstand the maximum impact load.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11422 - Counterweights

Current through Vol. 24-12, July 15, 2024
Rule 1422.
(1)
						A counterweight and its pulleys shall be enclosed pursuant to General Industry
						Safety Standard Part 7 "Guards for Power Transmission," as referenced in
						R
						408.11402.
(2) A counterweight and its pulleys suspended
						more than 7 feet above the floor or ground, in an area where an employee could
						walk, shall have an enclosure around the area of impact or a catch pan under
						the counterweight of such strength and design to hold the counterweight and
						pulley from dropping to the ground, floor, or platform.
(3) A counterweight attached to an arm shall
						have a bolt fastened near the end of the arm or a cable or chain attached to
						the counterweight to prevent its dropping off the arm.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11423 - Take-up

Current through Vol. 24-12, July 15, 2024
Rule 1423. Where a spring take-up is used to maintain
						  tension on a conveyor, the spring and fastening assembly shall be constructed
						  to retain the spring assembly in case of breakage.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11424 - Hinged sections

Current through Vol. 24-12, July 15, 2024
Rule 1424.
(1)
						A manually operated hinged section for employee passage through a gravity
						roller conveyor, chute, belt, or other type of conveyor that requires more than
						a 40-pound lifting effort to operate shall be counterbalanced.
(2) A power operated section for employee
						passage shall be provided with a mechanical safety device which shall prevent
						the section from falling in case of power failure.
(3) A power conveyor having a hinged section
						used for the purpose of clearing a passageway shall be designed so that the
						section cannot be raised while the conveyor is in operation or the material
						being conveyed shall be stopped when the section is raised.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11425 - Crossovers

Current through Vol. 24-12, July 15, 2024
Rule 1425.
(1)
						A clearance of 80 inches above a floor or platform must be maintained as a
						means of egress. Where a conveyor reduces this clearance, a crossover,
						passageway, or different means of egress must be provided.
(2) A crossover must be in compliance with
						General Industry Safety and Health Standard Part 2. "Walking-Working Surfaces,"
						as referenced in
						R
						408.11402.
(3) A crossover that cannot clear packages or
						objects on the conveyor must be hinged to swing out of the way or a sensing
						device must be provided to stop the conveyor if the crossover has not been
						moved.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11426 - Passageways and walkways

Current through Vol. 24-12, July 15, 2024
Rule 1426.
(1)
						A passageway under a conveyor shall have not less than 5 feet of headroom
						except a main aisle shall have not less than 80 inches of headroom. Where the
						headroom is less than 80 inches, telltales and illumination of not less than 10
						foot candles shall be provided to indicate low headroom.
(2) A maintenance walkway shall be not less
						than 18 inches wide where it runs along a conveyor.
(3) A walkway along a conveyor in a pit or
						tunnel shall have illumination of at least 10 foot candles when an employee is
						required to work in the area.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11427 - Safety factors

Current through Vol. 24-12, July 15, 2024
Rule 1427.
(1)
						Structural supports of a conveyor shall be designed and constructed with a
						minimum design safety factor of at least 3 which shall include static and
						dynamic loads.
(2) A hook or
						carrier used on a monorail and a trolley conveyor to carry objects shall be
						designed with a minimum safety factor of 5 and maintained to hold the object or
						carriers without creating a hazard.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11428 - Adjustment

Current through Vol. 24-12, July 15, 2024
Rule 1428. A conveyor capable of adjustment to variable
						  fixed elevations shall be equipped with a locking device to hold the conveyor
						  at any altitude where failure to hold would create a hazard to an
						  employee.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › DESIGN › Section R. 408.11429 - Rollbacks and runaways

Current through Vol. 24-12, July 15, 2024
Rule 1429. Rollbacks and runaways on a conveyor shall
						  be controlled by 1 or more of the following:
(a) Track design.
(b) Back stops.
(c) Ratchets or one-way clutch on drive
						pulleys.
(d) Anti-runaway
						devices.
(e) Automatically applied
						brakes.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › ELECTRICAL › Section R. 408.11432 - Starting

Current through Vol. 24-12, July 15, 2024
Rule 1432.
(1)
						A starting button, except a control button in a console for a manually
						programed multi-conveyor system, shall be equipped with a device to prevent
						accidental actuation.
(2) A powered
						conveyor, which would cause injury when started, shall not be started until
						employees in the area are alerted by a signal or by a person in authority that
						the conveyor is about to start.
(3)
						Power to a conveyor shall be wired so that after an interruption of electrical
						service, the conveyor shall not automatically restart upon resumption of
						electrical service.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › ELECTRICAL › Section R. 408.11433 - Stop devices

Current through Vol. 24-12, July 15, 2024
Rule 1433.
(1)
						An emergency stop device shall be available at each point of operation where a
						hazard exists and within reach of an employee at that point.
(2) An emergency stop device of the
						momentary-contact type shall have a means of being maintained by a device in
						the "off" position.
(3) If more
						than 1 stop device is located along a conveyor, the devices shall be wired so
						that the conveyor can be made re-startable only at the location where
						stopped.
(4) A stop device, except
						a pull cord, shall be distinguished by its red color.
(5) Conveyors in a series shall be
						electrically interlocked so that when any conveyor in the series is stopped for
						any reason, the initial stopping shall cause the upstream conveyors to stop if
						continued operation creates a hazard.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › ELECTRICAL › Section R. 408.11435 - Grounding

Current through Vol. 24-12, July 15, 2024
Rule 1435. Where an explosion hazard exists, such as,
						  but not limited to, dust or fumes, a means of draining the potential static
						  electricity build up shall be provided and used.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11441 - Auger and screw conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1441. An auger or screw conveyor, with an opening
						  not screened or covered and secured by bolts or clamps, shall be equipped with
						  an interlocked cover which shall cut the power when raised and not start until
						  the cover is replaced and the starter actuated.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11442 - Belt conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1442.
(1)
						A belt conveyor using a belt tripper or other moving deflector which requires
						an operator to travel on the belt tripper shall have the operator's platform
						designed to safeguard the operator from falling or coming in contact with
						moving or stationary parts.
(2) A
						nip point at a pulley shall be guarded by an enclosure or barrier constructed
						to prevent access by an employee's body members or loose clothing.
(3) A belt conveyor for bulk material shall
						have built up sides where material spilling over the sides is a
						hazard.
(4) A pulley with rotating
						shaft shall have projecting shaft ends covered or cut flush with the
						hanger.
(5) A shuttle or movable
						hopper mounted on wheels shall have sweeps fastened ahead of the wheels with an
						opening of not less than 3/8 inch between the sweep and the rail.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11443 - Belt trippers

Current through Vol. 24-12, July 15, 2024
Rule 1443. A belt tripper, with or without an operator,
						  shall be equipped with a safety limit switch and a fixed stop to prevent
						  overrun at each end of the runway which shall shut off the power if the tripper
						  moves too close to the end of the runway.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11444 - Bucket, pivoted bucket and gravity-discharge conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1444. A bucket, pivoted bucket, or
						  gravity-discharge conveyor shall be enclosed with a guard or barrier to protect
						  operating personnel.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11445 - Carrier and trolley conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1445. A manually powered carrier or trolley
						  conveyor shall have a protective device on the carrier or rail to prevent the
						  carrier from dropping off the rail or off the end of the
						  rail.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11446 - Extendable conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1446. An extendable conveyor shall be equipped
						  with a device located on the outermost end which shall stop movement of the
						  conveyor when contact is made by the device.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11447 - Pneumatic conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1447.
(1)
						A pneumatic conveyor shall be designed so that doors to pressure vessels cannot
						be opened when there is a positive internal pressure.
(2) A gasket holding line pressures shall be
						shielded to prevent a gasket leak from projecting the conveyed material into a
						work area if the material would cause a hazard.
(3) A receiver or storage bin shall be
						equipped with full bin indicators or controls to prevent overfilling, if
						overfilling will create a hazard.
(4) A pneumatic conveyor carrying oxidizable
						materials shall be designed for hazards, such as but not limited to explosion,
						fire or corrosion.
(5) A pneumatic
						conveyor serving an area containing contaminated air shall be designed so that
						the contaminated air cannot be transported to another area.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › General Industry Safety Standards › Part 14 - CONVEYORS › SPECIFIC CONVEYORS › Section R. 408.11448 - Portable conveyors

Current through Vol. 24-12, July 15, 2024
Rule 1448. The stability of a portable conveyor shall
						  be provided by 1 or more of the following:
(a) Securing to a fixed object.
(b) Use of outriggers.
(c) A base width of not less than 1/3 the
						height.
(d) A base as wide as the
						distance from the floor to the center of gravity.