(3) Guards for horizontal overhead belts. 1910.1051 1,3-Butadiene. (3) Training of maintenance personnel. Occupational Safety and Health Administration (OSHA) No current OSHA standards apply specifically to compacting and baling equipment. (ii) At least annually thereafter, the safety system on a mechanical power press used in the PSDI mode shall be recertified by the employer and revalidated by an OSHA-recognized third-party validation organization to meet all applicable requirements of paragraphs (a) through (h) and appendix A of this section. (2) Calender means a machine equipped with two or more metal rolls revolving in opposite directions and used for continuously sheeting or plying up rubber and plastics compounds and for frictioning or coating materials with rubber and plastics compounds. Based upon this determination, a scale shall be developed to indicate the allowable 10 percent of the stopping time at the top of the stroke for slide or ram overtravel due to brake wear. The written notice shall indicate the termination date. If the validation organization has been recognized for more than one year, meets the requirements for expansion of recognition, and there is no evidence that the recognized validation organization has not been following the requirements of this appendix and the letter of recognition, an expansion will normally be granted. Blotters shall be used in accordance with paragraph (c)(6) of this section. (2) Belt shifter means a device for mechanically shifting belts from tight to loose pulleys or vice versa, or for shifting belts on cones of speed pulleys. Preliminary approval. 1910.1006 Methyl chloromethyl ether. This type, however, differs from Type 5 in that the grinding is performed on the wall of the abrasive created by the difference between the diameter of the recess and the outside diameter of the wheel. Table O-7 - Minimum Dimensions for Straight Flanges - for Mechanical Grinders 12,500 S.F.P.M. The employer shall: (i) Use dies and operating methods designed to control or eliminate hazards to operating personnel, and. Displaying title 29, up to date as of 3/02/2023. (g) Swing cutoff saws. (33) Die enclosure guard means an enclosure attached to the die shoe or stripper, or both, in a fixed position. e. The applicant may include whatever enclosures, attachments, or exhibits the applicant deems appropriate. f. The instrument used to measure reaction time shall be calibrated to be accurate to within 0.001 second. Couplings. 1910.1011 4-Aminodiphenyl. 1910.1018 Inorganic arsenic. All d.c. control circuits shall be powered by not more than a nominal 240-volt d.c. supply isolated from any higher voltages. (22) Die setting means the process of placing or removing dies in or from a mechanical power press, and the process of adjusting the dies, other tooling and safeguarding means to cause them to function properly and safely. (2) Drag saws shall be so located as to give at least a 4-foot clearance for passage when the saw is at the extreme end of the stroke; or if such clearance is not obtainable, the saw and its driving mechanism shall be provided with a standard enclosure. All drip cups and pans shall be securely fastened. (See Figures O-18, O-19, O-20, O-21, O-22, and O-23.). (iii) When presses used in the PSDI mode have flywheel or bullgear running on crankshaft mounted journals and bearings, or a flywheel mounted on back shaft journals and bearings, periodic inspections following the press manufacturer's recommendations shall be made to ascertain that bearings are in good working order, and that automatic lubrication systems for these bearings (if automatic lubrication is provided) are supplying proper lubrication. 1910.23 Ladders. (2) Type 2 cylinder wheels means wheels having diameter, wheel thickness, and rim thickness dimensions. The sides of the trough shall come within at least six (6) inches of the underside of table, or if shafting is located near floor within six (6) inches of floor. View the most recent official publication: These links go to the official, published CFR, which is updated annually. 1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.). (i) Wheels must be dry and free from sawdust when applying the ring test, otherwise the sound will be deadened. (4) Any automatic cutoff saw that strokes continuously without the operator being able to control each stroke shall not be used. 1910.241 Definitions. 10. In powerplants only the lower run of the belt need be guarded. OSHA regulates conveyors specifically in its construction rule at 29 CFR 1926.555, and the general use of such equipment is regulated under general industry and contruction rules for lockout/tagout, machine guarding, signs, signals, and barricades, and under the General Duty Clause. (b) The device may not be used as a tripping means to initiate slide motion, except when used in total conformance with paragraph (h) of this section. The integrated test specifications and procedures shall be made available to the validation organization. The driving point of all friction drives when exposed to contact shall be guarded, all arm or spoke friction drives and all web friction drives with holes in the web shall be entirely enclosed, and all projecting belts on friction drives where exposed to contact shall be guarded. The board enclosure shall be securely fastened to the hammer. (i) A two-hand trip shall have the individual operator's hand controls protected against unintentional operation and have the individual operator's hand controls arranged by design and construction and/or separation to require the use of both hands to trip the press and use a control arrangement requiring concurrent operation of the individual operator's hand controls. (a) 24-inch diameter wheel, 1,000 revolutions per minute. ), (7) Automatic snagging machines. 1910.108 [Reserved] Based on this, the Assistant Secretary shall issue the final decision (including reasons) of the Department of Labor stating whether the applicant has demonstrated by a preponderance of evidence that it meets the requirements for recognition. (i) Spring counterbalance systems when used shall incorporate means to retain system parts in event of breakage. This book includes the complete Part 1910 - General Industry, Part 1903 - Inspections, Citations and Proposed Penalties, 1904 - Recording and Reporting Occupational Injuries and Illnesses regulations, and Part 1928 - Occupational . Flywheels located so that any part is seven (7) feet or less above floor or platform shall be guarded in accordance with the requirements of this subparagraph: (i) With an enclosure of sheet, perforated, or expanded metal, or woven wire; (ii) With guard rails placed not less than fifteen (15) inches nor more than twenty (20) inches from rim. 1910.216 Mills and calenders in the rubber and plastics industries. It shall be accessible and shall operate readily on contact. Showing adjustable tongue giving required angular protection for all sizes of wheel used. Usually used for preforming, roll forging is often employed to reduce thickness and increase length of stock. 1910.163 Fixed extinguishing systems, water spray and foam. (4) Lathes used for turning long pieces of wood stock held only between the two centers shall be equipped with long curved guards extending over the tops of the lathes in order to prevent the work pieces from being thrown out of the machines if they should become loose. In addition, General Industry applications must adhere to OSHA regulations for Ladder Safety 1910.23 (if applicable) and Walking-Working Surfaces 1910.28. (8) Hinged saw tables shall be so constructed that the table can be firmly secured in any position and in true alignment with the saw. (13) Cutting off wheels means wheels having diameter thickness and hole size dimensions and are subject to all limitations of mounting and use listed for type 1 wheels, the definition in subparagraph (1) of this paragraph and paragraph (d) of 1910.215. All flanges shall be maintained in good condition. c. The manufacturer shall specify the test requirements and procedures from existing consensus tests in compliance with the provisions of the National Electrical Code. (iii) Air-lift hammers shall be provided with two drain cocks: one on main head cylinder, and one on clamp cylinder. c. Demonstration that review has been made of the reports covering the design certification/validation, the installation certification/validation, and all recertification/revalidations, in order to detect any degradation to an unsafe condition, and that necessary changes have been made to restore the safety system to previous certification/validation levels. (iv) Periodic inspections of clutch and brake mechanisms shall be performed to assure they are in proper operating condition. A U type guard is permissible. When frequent oiling must be done, openings with hinged or sliding self-closing covers shall be provided. (17) Two hand control device means a two hand trip that further requires concurrent pressure from both hands of the operator during a substantial part of the die-closing portion of the stroke of the press. (1) General requirements. Minimum object sensitivity describes the largest acceptable size of the interruption in the sensing field. The OSHA-recognized third-party validation organization shall conduct tests, and/or review and evaluate the employer's installation tests, documentation and representations. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. Control elements shall be checked for correct status after power on and before the initial PSDI stroke. See Table O-10. 1910.9 Compliance duties owed to each employee. (i) Limitations: Special supporting, back adapter and inside flange nuts are required for the proper mounting of these types of wheels subject to limitations of 1910.215(c)(4) (i) and (ii). A U type guard is permissible. Nor would it be necessary to repeat these tests in the case of modifications where determined by the manufacturer and validated by the third-party validation organization to be equivalent by similarity analysis. 2. No changes found for this content after 1/03/2017. 1910.1200 Hazard communication. Table O-8 - Minimum Dimensions for Straight Flanges Used as Wheel Sleeves for Precision Grinding Only. This shall include the use of the test rod required by paragraph (h)(10)(i) of this section. (8) Concurrent means acting in conjunction, and is used to describe a situation wherein two or more controls exist in an operated condition at the same time. 1910.251 Definitions. Shall not engage in the design, manufacture, sale, promotion, or use of the certified equipment. The validation organization representative shall witness at least one set of tests. 1910.177 Servicing multi-piece and single piece rim wheels. Where belt shifters are not directly located over a machine or bench, the handles shall be cut off six feet six inches (6 ft. 6 in.) Vertical belts running over a lower pulley more than seven (7) feet above floor or platform shall be guarded at the bottom in the same manner as horizontal overhead belts, if conditions are as stated in paragraphs (e)(2)(ii) (a) and (c) of this section. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. (c) Abrasive discs (inserted nut, inserted washer and projecting stud type). Malleable iron (min. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. Belt perches. (2) Guard design. Minimum requirements for this position are a Bachelor's degree and five years professional experience, at least one of which shall have been in responsible charge of a function in the areas of power press design or manufacture or a broad range of power press use, or in the areas of testing, quality control, or certification/validation of equipment comparable to power presses or their associated control systems. Band type guards shall conform to the following general specifications: (i) The bands shall be of steel plate or other material of equal or greater strength. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. Spacers shall be equal in diameter to the mounting flanges and have equal bearing surfaces. 1910.213 Woodworking machinery requirements. To accomplish this, the machine spindle shall be made to nominal (standard) size plus zero minus .002 inch, and the wheel hole shall be made suitably oversize to assure safety clearance under the conditions of operating heat and pressure. (ii) If operating speed does not exceed 8,000 surface feet per minute cast iron safety guards, malleable iron guards or other guards as described in paragraph (b)(10)(iii) of this section shall be used. (i) All exposed parts of horizontal shafting seven (7) feet or less from floor or working platform, excepting runways used exclusively for oiling, or running adjustments, shall be protected by a stationary casing enclosing shafting completely or by a trough enclosing sides and top or sides and bottom of shafting as location requires. Paragraph (f)(1) of this section does not apply to hand-operated gears used only to adjust machine parts and which do not continue to move after hand power is removed. 1910.1450 Occupational exposure to hazardous chemicals in laboratories. The procedures shall be based on pertinent OSHA standards and test methods, or other publicly available standards and test methods generally recognized as appropriate in the field, such as national consensus standards or published standards of professional societies or trade associations. The manufacturer or the manufacturer's representative shall certify to and submit to an OSHA-recognized third-party validation organization the documentation necessary to demonstrate that the PSDI safety system design is in full compliance with the requirements of 29 CFR 1910.217(a)-(h) and this appendix A, as applicable, by means of analysis, tests, or combination of both, establishing that the following additional certification/validation requirements are fulfilled. (iii) All mechanical power press controls shall incorporate a type of drive motor starter that will disconnect the drive motor from the power source in event of control voltage or power source failure, and require operation of the motor start button to restart the motor when voltage conditions are restored to normal. 1910.12 Construction work. See Table O-10. Visors or other accessory equipment shall not be included as a part of the guard when measuring the guard opening, unless such equipment has strength equal to that of the guard. 1910.219 Mechanical power-transmission apparatus. Such mesh or perforated metal shall be not less than 0.037 inch (U.S. Gage No. 1910.162 Fixed extinguishing systems, gaseous agent. (4) Belt sanding machines shall be provided with guards at each nip point where the sanding belt runs on to a pulley. (i) Mechanical power presses used in the PSDI mode shall be operated under the control of a safety system which, in addition to meeting the applicable requirements of paragraphs (b)(13) and (c)(5) and other applicable provisions of this section, shall function such that a single failure or single operating error shall not cause injury to personnel from point of operation hazards. Each recognized third-party validation organization and its validating laboratories shall: 1. The manufacturer shall evaluate and certify, and the OSHA-recognized third-party validation organization shall validate, the design and operation of the safety system by determining conformance with the following: a. Openings for oiling. 1910.263 Bakery equipment. All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. The variance in flange diameters, the adaptor nut being less than one-third wheel diameter, and the use of side pressure in wheel operation limits the use to reinforced organic bonded wheels. Blocks or wedges shall be made of material the strength and construction of which should meet or exceed the specifications and dimensions shown in Table O-11. If center to center distance between pulleys is ten (10) feet or more. The renewal request will be processed in accordance with subsection I.B. (2) Boring bits should be provided with a guard that will enclose all portions of the bit and chuck above the material being worked. (2) Each drum sanding machine shall have an exhaust hood, or other guard if no exhaust system is required, so arranged as to enclose the revolving drum, except for that portion of the drum above the table, if a table is used, which may be necessary and convenient for the application of the material to be finished. Appendix D to Subpart L of Part 1910Availability of Publications Incorporated by Reference in Section 1910.156 Fire Brigades 1910.109 Explosives and blasting agents. Guarding friction drives. (4) Pressure pipes. 2. All pressure vessels used in conjunction with power presses shall conform to the American Society of Mechanical Engineers Code for Pressure Vessels, 1968 Edition, which is incorporated by reference as specified in 1910.6. (v) The safety distance (Ds) from the sensing field of the presence sensing device to the point of operation shall be greater than or equal to the distance determined by the formula: Hs = Hand speed constant of 63 inches per second (1.6 m/s). It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery.