reglab/statecodes huggingface dataset:
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42223 - Traffic control

Current through Vol. 24-12, July 15, 2024
Rule 2223.
(1)
					 Traffic control devices shall be installed and maintained as prescribed in Part
					 6 of the 2011 MMUTCD, which is adopted by reference in
					 R
					 408.42201.
(a) At
					 points of hazard, construction areas shall be posted with legible traffic
					 control signs and protected by traffic control devices.
(b) The design and use of all traffic control
					 devices, including signs, signals, markings, barricades, and other devices for
					 protection of construction workers shall conform to the provisions of Part 6 of
					 the 2011 MMUTCD, which is adopted by reference in
					 R
					 408.42201.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42224 - Barricades for construction operations on other than public right-of-way

Current through Vol. 24-12, July 15, 2024
Rule 2224. A barricade shall be provided to obstruct or
						direct an employee from a hazardous area of a construction operation not
						otherwise affected by another standard.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42225 - Placement, removal, relocation, and use of traffic control devices from a moving vehicle; handholds

Current through Vol. 24-12, July 15, 2024
Rule 2225.
(1)
					 Construction and maintenance operations that require placement, relocation, or
					 removal of pavement markings, or traffic control devices such as drums,
					 barricades, cones, or signs, shall provide protection to an employee by any of
					 the following methods:
(a) Use of a seat and a
					 seatbelt that shall be worn.
(b) A
					 standard guardrail system as prescribed in Construction Safety Standard Part 45
					 Fall Protection, R 408.44501, as referenced in
					 R
					 408.42209, which adopts C.F.R. § 1926.502et seq.
					 by reference.
(c) A guardrail as
					 described in subdivision (b) of this subrule may be modified by removing a
					 section of the guardrail at the point of operation to facilitate the handling
					 of traffic control devices, such as barrels, cones, or pavement markers. A hand
					 hold shall be provided. This rule shall apply only to the placement, removal,
					 relocation, and use of traffic control devices from a moving vehicle within the
					 work zone.
(d) When placing or
					 removing traffic control devices from a lower work platform, any combination of
					 top rails, mid rails, side rails, seats, toe boards, or other combination of
					 equivalent safeguards provided to the employee shall be used. A handhold shall
					 be provided.
(e) Use of a
					 positioning fall protection system that prevents the employee from falling from
					 the vehicle. A handhold shall be provided.
(f) Use of other means that will provide
					 equivalent fall protection for an employee may be used. Such a system shall be
					 performance oriented and shall be designed so that it does not create a greater
					 hazard to the employee.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42229 - Signs generally

Current through Vol. 24-12, July 15, 2024
Rule 2229.
(1)
					 If conditions warrant the use of a sign size that is not specified in Tables 2
					 to 5, then the ratio of the height of the identifying panel, such as "DANGER"
					 or "CAUTION," to the width of the sign shall be maintained as prescribed in the
					 tables.
(2) Signs shall be removed
					 or covered when the hazard addressed by the sign no longer exists.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42230 - Letter style and size

Current through Vol. 24-12, July 15, 2024
Rule 2230.
(1) A
					 letter shall be block style and upper case for the top panel and upper or upper
					 and lower case for the bottom panel. Letters and numbers shall be
					 legible.
(2) Letter size shall be
					 determined by the length of the message and the maximum visibility and
					 readability. Table 2 shall be used as a guide for the minimum letter height at
					 a safe viewing distance.
(a) The spacing of
					 letters and words shall not reduce legibility.
(b) The height of a letter that is more than
					 5 inches (125 millimeters) high shall be increased by an additional 1 inch (25
					 millimeters) for each 35 feet (10.5 meters) of viewing distance.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42231 - Accident prevention signs

Current through Vol. 24-12, July 15, 2024
Rule 2231. An accident prevention sign shall be in
						compliance with all of the following provisions:
(a) Be placed to alert and inform in time to
					 avoid a hazard or to take appropriate action.
(b) Be placed and maintained so as to be
					 legible, without distraction, and so that the sign does not create a hazard in
					 itself.
(c) Be placed so that the
					 sign will not be obscured.
(d) Be
					 removed or covered when the hazard is removed.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42233 - Danger sign

Current through Vol. 24-12, July 15, 2024
Rule 2233.
(1) A
					 danger sign to alert employees shall be used where an immediate hazard exists.
					 The sign shall be removed when the hazard no longer exists.
(2) The proportions for a danger sign shall
					 be not less than those prescribed in table 3 and the format of figure 1 shall
					 be followed.
(3) A danger sign
					 shall have the signal word "danger" in white within a red oval outlined in
					 white on a black rectangular background in the upper panel.
The lower panel where additional wording may be used
						shall be black or red letters on a white background as shown in figure
						1.
(4) An employee shall be
					 instructed that a danger sign indicates immediate danger and that special
					 precautions are necessary.
TABLE 3 STANDARD PROPORTIONS FOR DANGER SIGNS
SIGN SIZE
BLACK RECTANGULAR PANEL
RED OVAL
WORD DANGER
MINIMUM SPACE AVAILABLE FOR SIGN
								  WORDING
HORIZONTAL
PATTERN
Inches
Millimeter
Inches
Millimeter
Inches
Millimeter
Inches
Millimeter
Inches
Millimeter
7 X 10
175 X 250
3 1/4 X 9 3/8
81 X 234
2 7/8 X 8 1/2
72 X 213
1 7/16
36
2 3/4x9 3/8
69 X 234
10 X 14
250 X 350
4 5/8 X 13 3/8
116 X 334
4 1/8 X 1 7/8
103 X 297
2 1/16
52
4 1/4 X 13 3/8
106 X 334
14 X 20
350 X 500
6 1/2 X 19 3/8
163 X 484
5 3/4 X 17
144 X 425
2 7/8
72
6 1/4 X 19 3/8
156 X 484
20 X 28
500 X 700
9 1/4 X 27 3/8
231 X 684
8 1/4 X 23 7/8
206 X 597
4 1/8
103
9 1/2 X 27 3/8
238 X 584
UPRIGHT PATTERN
10 X 7
250 X 175
2 3/8 X 6 3/8
5 9 X 15 9
2 1/8 X 5 7/8
53 X 147
1 1/16
27
6 3/8 X 6 3/8
15 9 X 15 9
14 X 10
350 X 250
3 1/4 X 9 3/8
81 X 234
2 7/8 X 8 1/2
72 X 213
1 7/16
36
9 1/2 X 9 3/8
238 X 234
20 X 14
500 X 350
4 5/8 X 13 3/8
116 X 334
4 1/8 X 11 7/8
103 X 297
2 1/16
52
14 X 13 3/8
350 X 334
28 X 20
700 X 500
6 1/2 X 19 3/8
163 X 484
5 3/4 X 17
144 X 425
2 7/8
72
20 1/4 X 19 3/8
506 X 484
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42234 - Caution sign

Current through Vol. 24-12, July 15, 2024
Rule 2234.
(1) A
					 caution sign shall be used to warn of a potential hazard or to caution against
					 an unsafe practice.
(2) The
					 proportions for a caution sign shall be not less than those prescribed in table
					 4 and the format of figure 2 shall be followed.
(3) A caution sign shall have the signal word
					 "caution" in yellow on a black background in the upper panel. The lower panel
					 where additional wording may be used shall be black letters on a yellow
					 background.
(4) An employee shall
					 be instructed that a caution sign indicates a possible hazard and that proper
					 precautions shall be taken.
TABLE 4 STANDARD PROPORTIONS FOR CAUTION SIGNS
SIGN SIZE
BLACK RECTANGULAR PANEL
WORD "CAUTION" HEIGHT OF LETTER
MINIMUM SPACE AVAILABLE FOR SIGN
								  WORDING BELOW PANEL
HORIZONTAL
PATTERN
Inches
Millimeter
Inches
Millimeter
Inches
Millimeter
Inches
Millimeter
7 X 10
175 X 250
2 1/4 X 9 3/8
56 X 234
1 5/8
41
3 1/4 X 9 3/8
81 X 234
10 X 14
250 X 350
3 1/4 X 13 3/8
81 X 3 3/4
2 1/4
56
5 1/2 X 13 3/8
138 X 334
14 X 20
350 X 500
3 3/4 X 19 3/8
94 X 4 84
2 3/4
69
9 X 19 3/8
225 X 484
20 X 28
500 X 700
4 1/4 X 27 3/8
106 X 684
4 1/4
106
14 1/2 X 27 3/8
363 X 684
UPRIGHT
PATTERN
10 X 7
250 X 175
1 5/8 X 6 3/8
41 X 159
11/8
28
7x6 3/8
175 X 159
14 X 10
350 X 250
2 1/4 X 9 3/8
56 X 234
1 5/8
41
10 1/2 X 6 3/8
263 X 159
20 X 14
500 X 350
3 1/4 X 13 3/8
81 X 334
2 1/4
56
15 1/2 X 13 3/8
388 X 334
28 X 20
700 X 500
3 3/4 X 19 3/8
94 X 4 84
2 3/4
69
24 X 19 3/8
600 X 484
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						Image
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Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42235 - Safety instruction sign

Current through Vol. 24-12, July 15, 2024
Rule 2235.
(1) A
					 safety instruction sign shall be used for a general instruction or suggestion
					 relative to safety measures.
(2)
					 The proportions for a safety instruction sign shall be not less than those
					 prescribed in table 5 and the format of figure 3 shall be followed.
(3) A safety instruction sign shall have the
					 signal word in white on a green background in the upper panel. The lower panel
					 where additional wording may be used shall be black letters on a white
					 background.
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						Image
TABLE 5 STANDARD PROPORTIONS FOR SAFETY INSTRUCTION
						SIGNS
Sign Size
Green Rectangular Panel
Word "THINK" Height of Letter
Minimum Space Available for Sign
								  Wording Below Panel
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
7x10
175x 250
2 3/4x9 3/8
69x234
1 3/8
34
3 1/2x9 3/8
88x234
10x14
250X 350
3 1/4x13 3/8
81 x334
2 1/4
56
5 1/2x13 3/8
138x334
14x20
350X 500
3 3/4x19 3/8
94x484
2 3/4
69
9x 19 3/8
225 X 484
20x28
500X 700
4 1/4 X 27 3/8
106x684
3 1/4
81
14 1/2x27 3/8
363 X 684
Sign Size
Green Panel
Word "BE" Height of Letters
Word "CAREFUL" Height of Letters
Minimum Space Available for Sign
								  Wording Below Panel
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
7x 10
175x250
3 3/8x9 3/8
84 X 234
1 3/4
42
1 3/16
30
2 1/2x9 3/8
63x234
10x 14
250 X 350
4 3/4x13 3/8
119x334
1 3/4
42
2 3/16
55
4x 13 3/8
100x 334
14x 20
350 X 500
6 3/4x19 3/8
169x484
21/2
63
3 1/8
78
6x 19 3/8
150x 484
20 X 28
500 X 700
9 1/2 X 27 3/8
238x684
31/2
88
4 3/8
109
9 1/4 X 27 3/8
231 X 684
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42236 - Exit sign

Current through Vol. 24-12, July 15, 2024
Rule 2236. An exit sign, when required, shall be lettered
						in legible red letters, not less than 6 inches (150 millimeters) high, on a
						white background, and the principal stroke of the letters shall not be less
						than 3/4 (19 millimeters) of an inch wide.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42237 - Directional signs

Current through Vol. 24-12, July 15, 2024
Rule 2237.
(1) A
					 directional arrow, other than a traffic control sign, used on a danger,
					 caution, or safety instructional sign shall be black.
(2) A safety related directional sign shall
					 have a white arrow on a black upper panel with the lower panel white and any
					 letters in black.
(3) A directional
					 sign shall use proportions prescribed in table 6
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						Image
TABLE 6 STANDARD PROPORTIONS FOR SAFETY DIRECTIONAL
						SIGNS
SIGN SIZE
BLACK RECTANGULAR PANEL
OVER-ALL LENGTH
MAXIMUM SPACE FOR SIGN WORDING BELOW
								  PANEL
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
6 1/2 X 14
163 X 350
3 1/4 X 13 3/8
81 X 334
12 3/8
309
2 1/4 X 13 3/8
56 X 334
9 X 20
225 X 500
4 1/2 X 19 3/8
113 X 484
18 5/8
466
2 3/8 X 19 3/8
59 X 484
12 X 28
300 X 700
6 X 27 3/8
150 X 684
28 3/8
709
4 3/4 X 2 7 3/8
119 X 684
15 X 36
375 X 900
7 1/2 X 35 3/8
188 X 884
34 5/8
866
5 1/2 X 35 3/8
138 X 884
ARROW HEAD HEIGHT WIDTH
ARROW SHAFT HEIGHT
ARROW TAIL HEIGHT WIDTH
Inches
Millimeters
Inches
Millimeters
Inches
Millimeters
2 3/4 X 3
69 X 75
1 1/8
28
2 3/8 X 3 1/4
59 X 81
3 3/4x41/8
94 X 103
1 5/8
41
3 1/4 X 4 1/2
81 X 113
5 1/8 X 5 3/8
128 X 134
2 1/8
53
4 3/8 X 6
109 X 150
6 3/8 X 6 7/8
159 X 172
2 3/8
59
5 1/2 X 7 1/2
138 X 188
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42238 - Signs for blasting and use of explosives

Current through Vol. 24-12, July 15, 2024
Rule 2238. Where blasting and the use of explosives takes
						place, signs shall be as prescribed in Construction Safety Standard Part 27
						Blasting and Use of Explosives, as referenced in
						R
						408.42209.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42241 - Accident prevention tags generally

Current through Vol. 24-12, July 15, 2024
Rule 2241.
(1)
					 An appropriate accident prevention tag shall be used as a temporary means of
					 warning an employee of an existing hazard, such as defective tools or
					 equipment. A tag shall not be used in place of an accident prevention sign or
					 considered a complete warning method.
(2) A tag shall be large enough to attract
					 attention to the hazard but not less than 2 3/8 inches (59 millimeters) by 4
					 3/4 inches (119 millimeters).
(3)
					 The signal word shall be in bold type.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 22 - SIGNALS, SIGNS, TAGS, AND BARRICADES › Section R. 408.42243 - Signs for slow-moving vehicles

Current through Vol. 24-12, July 15, 2024
Rule 2243. A sign as prescribed in this rule shall be
						attached to the rear of any vehicle that, by design, moves at 25 miles per hour
						or less on any public, private, or temporary road.
Click Here To View
						Image
(Note: Dimenskins are in decimal
						inches.)
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42401 - Applicability

Current through Vol. 24-12, July 15, 2024
Rule 2401.
(1)
					 This part applies to all of the following:
(a)
					 Portable tar kettles.
(b) Tankers
					 and yard storage units.
(c)
					 Material handling.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42402 - Tar kettle construction

Current through Vol. 24-12, July 15, 2024
Rule 2402.
(1) A
					 tar kettle vat for molten material shall be of welded construction and all
					 other materials of the tar kettle, except tires, used in its construction shall
					 be noncombustible. A tanker for molten material shall be braced and baffled to
					 contain the load.
(2) A cover for a
					 tar kettle vessel shall be hinged, close fitting, and capable of smothering a
					 fire inside the vessel, when in a closed position.
(3) A discharge valve from a tar kettle
					 vessel shall be a quick closing type with standard pipe thread.
(4) Pipe, tubing, hose, and conductors used
					 for hot material from a tar kettle or tanker shall be supported when above
					 ground or floor level. Hose, tubing, pipe, and conductors running horizontally
					 shall be supported at intervals that will prevent sagging. Connections shall be
					 made with unions or couplings and shall be maintained free of leaks.
(5) Where a pump unit is mounted on a tar
					 kettle and the fuel container is an integral part of the pump, the pump unit
					 shall be shielded from the tar kettle by a barrier of rigid noncombustible
					 material.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42403 - Loading and operating

Current through Vol. 24-12, July 15, 2024
Rule 2403. A tar kettle or tanker shall have a qualified
						experienced operator in attendance at all times that the kettle or tanker is
						being fired. The operator shall not leave the ground area or be at a distance
						from the kettle or tanker that would prevent the operators immediate
						attention.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42404 - Controls

Current through Vol. 24-12, July 15, 2024
Rule 2404.
(1) A
					 tar kettle and tanker shall be equipped with a working temperature
					 gauge.
(2) A yard storage unit or
					 tanker purchased or constructed after August 9, 1974 shall have a level indicator to show the amount
					 of the contents within the vessel.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42405 - Fuel

Current through Vol. 24-12, July 15, 2024
Rule 2405. If a fuel tank is located less than 10 feet
						from a tar kettle or tanker, the fuel tank shall be shielded from the tar
						kettle or tanker by a barrier of rigid noncombustible
						material.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42406 - Fire precautions

Current through Vol. 24-12, July 15, 2024
Rule 2406.
(1)
					 One or more portable fire extinguishers of the dry powder type having a total
					 capacity of not less than 40 pounds shall be located not less than 10 feet nor
					 more than 25 feet from a tar kettle being fired. An extinguisher less than 10
					 pounds shall not be provided.
(2) A
					 tar kettle shall not be placed less than 20 feet from combustible materials
					 unless separated by a fire-resistant blanket.
(3) A tar kettle shall not be placed less
					 than 10 feet from a structure that extends above the highest part of a kettle,
					 piping excluded.
(4) A tar kettle
					 shall not be placed in or upon a building except by permission of an authorized
					 representative of the department.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 24 - TAR KETTLES › Section R. 408.42407 - Material handling

Current through Vol. 24-12, July 15, 2024
Rule 2407.
(1)
					 The rope pulley shall be secured to the thrustout or hoisting jack in a manner
					 to support not less than 3 times the weight to be lifted. The pulley groove
					 shall be the same size as the rope.
(2) Where a structural steel or wood beam
					 thrustout is used, it shall be designed and installed in a manner to support
					 not less than 3 times the weight being lifted and prevent tipping and twisting.
					 A wood thrustout shall be set on edge.
(3) Where a counterweight is used, it shall
					 be contained or secured in place to prevent slippage.
(4) Where a manual or powered hoisting jack
					 is used, it shall be designed and installed in such a manner as to support not
					 less than 3 times the load to be lifted.
(5) An employee shall not stand or walk under
					 material being hoisted.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42501 - Scope

Current through Vol. 24-12, July 15, 2024
Rule 2501. This standard pertains to all of the
						following:
(a) The reinforcing,
					 pouring, stressing, lifting, and floating of concrete.
(b) The construction of forms and shoring
					 used in connection with concrete construction.
(c) Prestressed and poststressed
					 operations.
(d) Precast, tilt-up,
					 and lift-slab operations.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42502 - Adoption of standards

Current through Vol. 24-12, July 15, 2024
Rule 2502.
(1)
					 The following standards are adopted by reference in these rules and are
					 available from Global Engineering Documents, 15 Inverness Way East, Englewood,
					 Colorado, 80112, telephone number 1-800-854-7179, website:
www.global.ihs.com
, at a cost as
					 of the time of adoption of these rules, as stated in this rule:
(a) American National Standard Institute
					 standard ANSI A10.9, "Concrete Construction and Masonry Work," 1983 edition.
					 Cost: $20.00.
(b) American Welding
					 Society standard AWS D1.1/D1.1M, "Structural Welding Code Steel," 2002 edition.
					 Cost: $468.00.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42503 - Reference of standards

Current through Vol. 24-12, July 15, 2024
Rule 2503. The following Michigan occupational safety and
						health standards (MIOSHA) 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, 48908-8143, or via the
						internet at 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)
					 Construction Safety Standard Part 12 "Scaffolds and Scaffold Platforms,"
					 R
					 408.41201 to
					 R
					 408.41264.
(b) Construction Safety Standard Part 21
					 "Guarding of Walking and Working Areas,"
					 R
					 408.42101 to
					 R
					 408.42160.
(c) Construction Safety Standard Part 45
					 "Fall Protection," R 408.44501 to R 408.44502.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42516 - Definitions

Current through Vol. 24-12, July 15, 2024
Rule 2516.
(1)
					 "Bull float" means a tool used to spread out and smooth concrete.
(2) "Formwork" or "falsework" means the total
					 system of support for freshly placed or partially cured concrete, including the
					 mold or sheeting that contacts the concrete and all supporting members,
					 hardware, and necessary bracing.
(3) "Foundation" or "footings" means a
					 natural or built-up solid ground or base upon which shoring or reshoring is
					 supported, including all underlying ground strata.
(4) "Guy" means a line that steadies a high
					 object or structure by pulling against an off-center load.
(5) "Horizontal shoring beams" means beams or
					 trusses used as load-carrying members in shoring systems.
(6) "Jacking operation" means the task of
					 vertically lifting a slab or group of slabs from one location to another, such
					 as from the casting location to a temporary (parked) location, from a temporary
					 location to another temporary location, or to its final location in the
					 structure during the construction of a structure where the lift-slab process is
					 being used.
(7) "Lift slab" means a
					 method of concrete construction in which floor and roof slabs are cast on or at
					 ground level and, using jacks, lifted into position.
(8) "Precast concrete" means a concrete
					 member that is cast and cured at a location other than its final designated
					 location.
(9) "Poststressed
					 concrete" means a concrete member in which internal stresses have been
					 introduced by the stressing of strands after the placement of
					 concrete.
(10) "Prestressed
					 concrete" means a concrete member in which internal stresses have been
					 introduced by the stressing of strands before the placement of the
					 concrete.
(11) "Qualified designer"
					 means a person who, by possession of a degree, certificate, or professional
					 standing, has demonstrated ability in design in the subject area being
					 regulated.
(12) "Qualified person"
					 means a person who, because of education or training, is knowledgeable about
					 the erection methods, materials, and hazards of the work to be
					 performed.
(13) "Reshore" means the
					 vertical or inclined supporting members that are designed to distribute the
					 weight of concrete and construction loads to lower levels until such loads can
					 be supported by the concrete structure.
(14) "Shore" means a vertical or inclined
					 support member that is designed to carry the weight of formwork, concrete, and
					 construction live loads above.
(15)
					 "Slip form" means a form that moves, usually continuously, during the placement
					 of concrete. Movement may be either horizontal or vertical.
(16) "Vertical slip form" means a form that
					 is jacked vertically and continuously during the placing of concrete.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42517 - Construction equipment and material requirements; adoption by reference

Current through Vol. 24-12, July 15, 2024
Rule 2517.
(1)
					 Equipment and material used in concrete construction and masonry work shall
					 meet the applicable requirements prescribed in American national standard
					 institute standard ANSI A10.9, "Concrete Construction and Masonry Work," 1983
					 edition, as adopted in
					 R
					 408.42502.
(2) The minimum safety factors of formwork
					 accessories shall be as prescribed in table 1, as follows:
TABLE 1
MINIMUM SAFETY FACTORS OF FORMWORK
									 ACCESSORIES*
Accessory
Safety Factor
Type of Construction
Form Tie
1.5
Light formwork, 8 feet or less in height with
									 no hazard to life.
2.0
All formwork over 8 feet in height or hazardous
									 to life. Formwork for architectural concrete.
Form Anchor
2.0
Formwork supporting form weight and concrete
									 pressures only.
3.0
Formwork supporting weight of forms, concrete,
									 construction live loads, and impact.
Form Hangers
2.0
All applications.
Anchoring inserts used as form ties.
2.0
Precast concrete panels when used as
									 formwork.
*Safety factors are based on ultimate strength
									 of accessory.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42518 - Reinforcing steel

Current through Vol. 24-12, July 15, 2024
Rule 2518.
(1) A
					 route designated as a means of access or egress across reinforcing steel for
					 general traffic shall be provided with a walkway.
(2) All protruding reinforcing steel, onto
					 and into which employees could fall, shall be guarded to eliminate the hazard
					 of impalement.
(3) Reinforcing
					 steel or walls, piers, columns, and other similar vertical structures shall be
					 guyed, braced, or otherwise supported to prevent collapse.
(4) Reinforcing steel shall not be used as a
					 scaffolding hook or stirrup or as a load-bearing member in a lifting
					 device.
(5) Reinforcing steel shall
					 not be welded and used as a load-bearing member.
(6) Roll wire mesh shall be secured at each
					 end to prevent dangerous recoiling action.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42519 - Bulk concrete handling

Current through Vol. 24-12, July 15, 2024
Rule 2519. A bulk storage bin, container, or silo shall
						have a conical or tapered bottom with a mechanical or pneumatic means of
						starting the flow of the material. An employee shall not be permitted to enter
						storage facilities unless the ejection system has been shut down, locked out,
						and tagged to indicate that the ejection system is not
						operable.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42521 - Forms and shoring generally

Current through Vol. 24-12, July 15, 2024
Rule 2521.
(1)
					 Formwork, shoring, and reshoring shall be designed, erected, supported, braced,
					 and maintained so that they will support all vertical and lateral loads that
					 may be imposed upon them during placement of concrete or until the loads can be
					 supported by the concrete structure.
(2) Drawings or plans which are prepared by
					 the qualified person, except as required in
					 R
					 408.42527(5) and
					 R
					 408.42533(1), and which show the jack
					 layout, formwork, shoring, working decks, and scaffolding shall be available at
					 the jobsite.
(3) No construction
					 loads shall be placed on a concrete structure or portion of a concrete
					 structure unless the employer determines, based on information received from a
					 person who is qualified in structural design, that the structure or portion of
					 the structure is capable of supporting the loads.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42522 - Placing and removing forms

Current through Vol. 24-12, July 15, 2024
Rule 2522.
(1)
					 Forms shall not be completely removed until a determination has been made that
					 the concrete can support its own weight and any currently superimposed load.
					 Such determination shall be based on compliance with either of the following:
(a) The plans and specifications stipulate
					 conditions for removal of forms and shores, and such conditions have been
					 followed.
(b) The concrete has been
					 properly tested with an appropriate ASTM standard test method designed to
					 indicate the concrete compressive strength, and that the test results indicate
					 that the concrete has gained sufficient strength to support its weight and
					 superimposed loads.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42523 - Vertical slip forms

Current through Vol. 24-12, July 15, 2024
Rule 2523.
(1)
					 Field operations for vertical slip forms shall be under the supervision of a
					 qualified person. The qualified person shall be present on the deck during
					 slipping operations.
(2) A lift
					 shall proceed steadily and uniformly and shall not exceed the predetermined
					 rate of lift.
(3) The steel rods or
					 pipe on which the jacks climb or by which the forms are lifted shall be
					 specifically designed for such climbing or lifting. Such rods shall be
					 adequately braced if they are not encased in concrete.
(4) Jacks and vertical supports shall be
					 positioned so that the vertical loads are distributed equally and do not exceed
					 the capacity of the jacks.
(5) The
					 jacks or other lifting devices shall be provided with mechanical dogs or other
					 automatic holding devices to prevent slippage due to the failure of the power
					 supply of the lifting mechanism.
(6) Vertical lift forms shall be provided
					 with scaffolding or work platforms that completely encircle the area of
					 placement. The scaffolds shall be as prescribed in Construction Safety Standard
					 Part 12 "Scaffolds and Scaffold Platforms," as referenced in
					 R
					 408.42503.
(7) Lateral and diagonal bracing of vertical
					 slip forms shall be provided to prevent excessive distortion of the structure
					 during the jacking operation.
(8)
					 During a jacking operation, a qualified person shall maintain the form
					 structure in line and plumb.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42524 - Vertical shoring generally

Current through Vol. 24-12, July 15, 2024
Rule 2524.
(1)
					 When temporary storage of reinforcing rods, material, or equipment on top of
					 formwork becomes necessary, these areas shall be strengthened to support the
					 intended loads.
(2) The sills for
					 shoring shall be sound, rigid, and capable of carrying the maximum intended
					 load.
(3) When shoring from soil,
					 the soil shall be capable of supporting the load and the soil shall be
					 inspected after each occurrence which could affect its load-bearing capacity.
					 Soil weakened from any occurrence that reduces its load-bearing capacity to
					 less than that required to support a specific load shall be strengthened by
					 compacting or other equivalent means.
(4) Baseplates, shore heads, extension
					 devices, and adjustment screws shall be in firm contact with the footing sill
					 and the form.
(5) Eccentric loads
					 on shore heads and similar members or shoring are prohibited, unless the shore
					 heads are designed for the loading.
(6) Shoring equipment shall be inspected by a
					 qualified person before erection to determine that it is as specified in the
					 shoring drawings or plans. Any equipment found to be damaged shall not be used
					 for shoring.
(7) Before concrete is
					 placed in the forms, all shoring equipment shall be inspected by a qualified
					 person to determine whether it was erected as specified in the shoring drawings
					 or plans.
(8) Erected shoring shall
					 be inspected by a qualified person during and immediately after pouring
					 concrete. Shoring that is found to be damaged or weakened shall be reinforced
					 or reshored.
(9) Only designated
					 employees shall be permitted on the first floor immediately under the forms
					 during concrete placing work.
(10)
					 Shoring equipment shall not be released or removed without the approval and
					 assurance of a qualified person that the remaining equipment will support the
					 load.
(11) Construction or
					 superimposed loads shall not be placed on an uncured concrete pour unless
					 either of the following provisions is complied with:
(a) The strength of the concrete in the
					 previous pour has been determined by testing to be capable of withstanding the
					 load.
(b) A qualified person
					 indicates that the concrete has developed sufficient strength to support the
					 load. This subrule does not apply to slip form operations and slabs built at
					 grade elevation.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42525 - Metal frame shoring

Current through Vol. 24-12, July 15, 2024
Rule 2525. Locking devices on frames and braces shall be
						in good working order; coupling pins shall align the frame or panel legs;
						pivoted cross braces shall have their center pivot in place, and all components
						shall be without defects.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42526 - Tube and coupler shoring

Current through Vol. 24-12, July 15, 2024
Rule 2526.
(1)
					 The couplers or clamps shall not be used if they are deformed, broken, have
					 defective or missing threads on bolts, or have other defects.
(2) The interlocking of the tubular members
					 and the tightness of the couplers shall be checked before pouring
					 concrete.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42527 - Single-post shores

Current through Vol. 24-12, July 15, 2024
Rule 2527.
(1)
					 For stability, a single-post shore shall be horizontally braced in both the
					 longitudinal and transverse directions, and diagonal bracing shall also be
					 installed. The bracing shall be installed as the shores are being
					 erected.
(2) The top of single-post
					 shores shall be restricted from movement by the use of retainers or other
					 equivalent means.
(3) Timber and
					 fabricated single-post shores and the adjusting devices shall be inspected
					 before erection. Timber for single-post shores shall not be used if it contains
					 splits, cuts, rotting, or structural damage.
(4) A metal single-post shore and the
					 adjusting devices shall not be used if the shore or devices are heavily rusted,
					 bent, dented, or rewelded or have broken weldments or other defects.
(5) A single-post shore that is used in more
					 than 1 tier shall be designed by a registered engineer and inspected by a
					 qualified person. All of the following shall apply:
(a) The single post shores shall be
					 vertically aligned.
(b) The single
					 post shores shall be spliced to prevent misalignment.
(c) The single post shores shall be
					 adequately braced in 2 mutually perpendicular directions at the splice level.
					 Each tier shall also be diagonally braced in the same 2 directions.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42528 - Flying forms

Current through Vol. 24-12, July 15, 2024
Rule 2528.
(1)Nothing shall be allowed on the forms
					 during movement unless it is securely fastened to the forms.
(2) A person, other than the rigger, shall
					 not be permitted on top of the deck form after rollout operations have been
					 completed.
(3) Rigging of the deck
					 form shall be completed before the line from the crane takes the total load of
					 the form.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42531 - Prestressed and poststressed concrete operations

Current through Vol. 24-12, July 15, 2024
Rule 2531.
(1)
					 An expendable strand deflection device that is used to pretension concrete
					 members shall have a designed safety factor of not less than 2. A reusable
					 device shall have a safety factor of not less than 3.
(2) Expendable and reusable strand deflection
					 devices shall not be loaded in excess of their maximum intended load.
(3) An employer shall designate a qualified
					 person to inspect all jacking and pulling equipment before each use and during
					 use.
(4) Tensioning strands that
					 have kinks, bends, nicks, and other defects shall not be used.
(5) Welding or cutting is prohibited near
					 strand that has been unrolled, strung, or tensioned or at any other location
					 where strand is stored.
(6) During
					 jacking operations of any tensioning element or group of tensioning elements,
					 the anchor shall be kept turned up close to the anchor plate.
(7) An employee shall not stand in the line
					 of, in back of, or over the jacking equipment during tensioning
					 operations.
(8) Only an employee
					 who is operating tensioning equipment shall be permitted in the immediate
					 vicinity when tensioning is in progress.
(9) Stress members shall be lifted with the
					 lifting devices at points specifically designed. An employee shall not be under
					 stressed members during lifting and erection.
(10) Audible or visual signaling devices
					 shall be operated to warn employees when tensioning operations are under
					 way.
(11) All employees who are not
					 directly involved in the tensioning operations shall be cleared from the area
					 and shall remain clear until tensioning operations are completed and the
					 signaling devices are turned off.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42532 - Precast and tilt-up operations

Current through Vol. 24-12, July 15, 2024
Rule 2532.
(1)
					 Lifting inserts which are embedded or otherwise attached to tilt-up precast
					 concrete members shall be capable of supporting at least 2 times the maximum
					 intended load applied or transmitted to them. Lifting inserts which are
					 embedded or otherwise attached to precast concrete members, other than the
					 tilt-up members, shall be capable of supporting at least 4 times the maximum
					 intended load applied or transmitted to them. Lifting hardware shall be capable
					 of supporting at least 5 times the maximum intended load applied transmitted to
					 the lifting hardware.
(2) An
					 erection and procedure plan, including placement of connections, shall be
					 prepared by a qualified employee knowledgeable in precast concrete erection and
					 be kept available at the jobsite.
(3) Precast concrete wall units and vertical
					 panels shall be braced to prevent collapse. A permanent connection may be used
					 in place of bracing if it is capable of withstanding all loads imposed during
					 construction.
(4) An employee,
					 except for a connector, shall not be permitted under a precast section, wall,
					 or panel during lifting and tilting operations.
Michigan Administrative Code › Department - Labor and Economic Opportunity › MIOSHA › General Industry and Construction Safety and Occupational Health Standards › Construction Safety and Health Standard › Part 25 - CONCRETE CONSTRUCTION › Section R. 408.42533 - Lift-slab operations

Current through Vol. 24-12, July 15, 2024
Rule 2533.
(1) A
					 registered professional engineer who is qualified in lift-slab operations shall
					 design and plan lift-slab operations. An employer shall implement the plans and
					 designs and shall include detailed instructions and sketches that indicate the
					 prescribed method of erection. The plans and designs shall also include
					 provisions for ensuring lateral stability of the building or structure during
					 construction.
(2) An employer shall
					 ensure that jacks are marked to indicate the rated capacity established by the
					 manufacturer.
(3) An employer shall
					 ensure that jacks are not loaded beyond the rated capacity established by the
					 manufacturer.
(4) An employer shall
					 ensure that jacking equipment is not overloaded and the threaded rods and other
					 members that transmit loads to the jacks are capable of supporting not less
					 than 2 1/2 times the load to be applied. Jacking equipment shall include all of
					 the following:
(a) Jacks and other lifting
					 units.
(b) Lifting
					 angles.
(c) Lifting nuts.
(d) Hook-up collars.
(e) T-caps.
(f) Shearheads.
(g) Columns and footings.