If you have questions for the Agency that issued the current document please contact the agency directly. 1910.9 Compliance duties owed to each employee. Vertical and inclined belts shall be enclosed by a guard conforming to standards in paragraphs (m) and (o) of this section. Type 11 wheels are subject to all limitations of use and mounting listed for type 6 straight sided cup wheels definition. However, the guarding of these gears is highly recommended. (iv) The Inch operating means shall be designed to prevent exposure of the workers hands within the point of operation by: (a) Requiring the concurrent use of both hands to actuate the clutch, or. Identification and description of test methods or procedures used. (ix) If foot control is provided, the selection method between hand and foot control shall be separate from the stroking selector and shall be designed so that the selection may be supervised by the employer. 12 or .262 diameter in inches r.p.m. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. The safety requirements of this subparagraph apply to lead casts or other use of lead in the forge shop or die shop. (2) Cutting heads on wood-turning lathes, whether rotating or not, shall be covered as completely as possible by hoods or shields. (51) Slide means the main reciprocating press member. (14) No saw, cutter head, or tool collar shall be placed or mounted on a machine arbor unless the tool has been accurately machined to size and shape to fit the arbor. This does not apply to constant pressure controls used only for setup purposes. 1910.133 Eye and face protection. 1910.125 Additional requirements for dipping and coating operations that use flammable liquids or liquids with flashpoints greater than 199.4 F (93 C). (2) Type 2 cylinder wheels means wheels having diameter, wheel thickness, and rim thickness dimensions. In no case shall a warning device of leather or other material attached to the spindle be acceptable. A recognized validation organization may voluntarily terminate its recognition, either in its entirety or with respect to any area covered in its recognition, by giving written notice to OSHA at any time. The upper rail shall be two by four (2 4) inches, or two one by four (1 4) strips, one at the top and one at the side of posts. Where the work is applied to the wheel above the horizontal centerline, the exposure of the grinding wheel periphery shall be as small as possible and shall not exceed 60. This exception also is referred to as the "minor servicing exception." The application shall identify the scope of the validation activity for which the applicant wishes to be recognized, based on one of the following alternatives: (1) Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation; (2) Design Certification/Validation only; or. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. (56) Turnover bar means a bar used in die setting to manually turn the crankshaft of the press. The validation organization representative shall witness at least one set of tests. The provisions of paragraph (h) of this section shall apply to boltheading. Overhead horizontal belts, with lower parts seven (7) feet or less from the floor or platform, shall be guarded on sides and bottom in accordance with paragraph (o)(3) of this section. 1910.1012 Ethyleneimine. (29) Manual feeding means feeding wherein the material or part being processed is handled by the operator on each stroke of the press. b. The application need not be submitted on a Federal form. On both sides of the calender and near each end of the face of the roll, there shall be a cable or wire center cord connected to the safety trip. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. Certification/Validation Program Requirements. 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. (a) When used in press operations requiring more than one operator, separate two hand controls shall be provided for each operator, and shall be designed to require concurrent application of all operators' controls to activate the slide. a. All manually operated valves and switches shall be clearly identified and readily accessible. (iii) Type 27A cutting-off wheels are designed to be mounted by means of flat, not relieved, flanges having matching bearing surfaces and which may be less than one-third but shall not be less than one-fourth the wheel diameter. (i) See Figures O-36 and O-37 and Table O-9 for minimum basic thickness of peripheral and side members for various types of safety guards and classes of service. A press consists of a stationary bed or anvil, and a slide (or slides) having a controlled reciprocating motion toward and away from the bed surface, the slide being guided in a definite path by the frame of the press. Projecting shaft ends shall present a smooth edge and end and shall not project more than one-half the diameter of the shaft unless guarded by nonrotating caps or safety sleeves. Certification/validation by similarity analysis reports should identify, in addition to the above, application of the part, component or subsystem for which certification/validation is being sought as well as data from previous usage establishing adequacy of the item. (5) Modified types 6 and 11 wheels (terrazzo) mean some type 6 and 11 cup wheels used in the terrazzo trade having tapered K dimensions to match a special tapered flange furnished by the machine builder. 7, 1996; 69 FR 31882, June 8, 2004; 76 FR 80739, Dec. 27, 2011; 77 FR 46949, Aug. 7, 2012; 78 FR 69550, Nov. 20, 2013]. (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. Similarly, only presses with a configuration such that a person's body cannot completely enter the bed area are approved for PSDI. These guards shall effectively prevent the hands or fingers of the operator from coming in contact with the nip points. 1910.423 Post-dive procedures. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. (5) Each wood jointer with vertical head shall have either an exhaust hood or other guard so arranged as to enclose completely the revolving head, except for a slot of such width as may be necessary and convenient for the application of the material to be jointed. The materials and dimensions specified in this paragraph shall apply to all guards, except horizontal overhead belts, rope, cable, or chain guards more than seven (7) feet above floor, or platform. (2) Safety trip, side. 1910.151 Medical services and first aid. The guard shall be constructed of heavy material, preferably metal, and the edge of the guard shall come to within three-eighths inch of the plane formed by the inside face of the feed roll in contact with the stock being cut. 1910.219 Mechanical power-transmission apparatus. The manufacturer shall design, evaluate, test and certify, and the third-party validation organization shall evaluate and validate, that the PSDI safety system meets appropriate requirements in the following areas. The validation organization shall assign overall responsibility for the validation of PSDI certification to an Administrative Director. Upon request, the employer must make available to that office all tests and analyses for OSHA review. When the periphery of the blades of a fan is less than seven (7) feet above the floor or working level, the blades shall be guarded. 1910.1002 Coal tar pitch volatiles; interpretation of term. The integrated test specifications and procedures shall be made available to the validation organization. tensile strength 60,000 p.s.i.) (f) Guards shall be used to protect all areas of entry to the point of operation not protected by the presence sensing device. (c) Presses. A copy of the test report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to OSHA upon request. 1. (ii) The employer shall certify that employees have been trained by preparing a certification record which includes the identity of the person trained, the signature of the employer or the person who conducted the training, and the date the training was completed. flat belts two (2) inches or less in width which are free from metal lacings or fasteners. All d.c. control circuits shall be powered by not more than a nominal 240-volt d.c. supply isolated from any higher voltages. The adjustments shall be made before performing the stopping time measurements required by paragraphs (h)(2)(ii), (h)(5)(iii), and (h)(9)(v) of this section. (48) Safety block means a prop that, when inserted between the upper and lower dies or between the bolster plate and the face of the slide, prevents the slide from falling of its own deadweight. (4) Guards for horizontal overhead rope and chain drives. Analysis: We suggest conveyor safety nets and other safe guards for overhead conveyors, even those with relatively light loads, unless the conveyor is guarded by location. (v) The route followed by the oiler is protected in such manner as to prevent accident. (ii) Where suspended counterweights are used and not guarded by location, they shall be so encased as to prevent accident. (12) Upsetters (or forging machines, or headers) type of forging equipment, related to the mechanical press, in which the main forming energy is applied horizontally to the workpiece which is gripped and held by prior action of the dies. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 43 FR 51760; Nov. 7, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9227, March 7, 1996; 69 FR 31882, June 8, 2004], Occupational Safety & Health Administration. ), (5) Surface grinders and cutting-off machines. 2. Conveyor Safety When used incorrectly, they can be dangerous. (3) New Design Certification/Validation. If the safeguard is not described in this section, give a complete description. (6) Where two or more workers are employed at the same time on the same power-driven guillotine veneer cutter equipped with two-hand control, the device shall be so arranged that each worker shall be required to use both hands simultaneously on the controls to start the cutting motion, and at least one hand on a control to complete the cut. (a) Attachments shall be connected to and operated only by the press slide or upper die. Filing office location. and 2. for the combined position. (3) Finish and balance. The guard shall automatically adjust itself to cover the unused portion of the head and shall remain in contact with the material at all times. (b) As used in 1910.215 unless the context clearly requires otherwise, the following abrasive wheel machinery terms shall have the meanings prescribed in this paragraph. 20), and the openings shall be not greater than three-eighths inch. (57) Two-hand trip means a clutch actuating means requiring the concurrent use of both hands of the operator to trip the press. Unless the distance to the nearest fixed pulley, clutch, or hanger exceeds the width of the belt used, a guide shall be provided to prevent the belt from leaving the pulley on the side where insufficient clearance exists. The requirement in paragraph (h)(3)(i)(C) is intended to prevent degradation in stoping speed from higher air pressure. If there are no valid requests for a hearing, based on the application, supporting documents, staff recommendation, evidence and public comment, the Assistant Secretary shall issue the final decision (including reasons) of the Department of Labor on whether the applicant has demonstrated by a preponderance of the evidence that it meets the requirements for recognition. Tail rods or extension piston rods shall be guarded in accordance with paragraphs (m) and (o) of this section, or by a guardrail on sides and end, with a clearance of not less than fifteen (15) nor more than twenty (20) inches when rod is fully extended. 1910.6 Incorporation by reference. SOURCE: 39 FR 23502, June 27, 1974, unless otherwise noted. (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. (c) If belt is eight (8) inches or more in width. (ii) Spring counterbalances when used shall have the capability to hold the slide and its attachments at midstroke, without brake applied. All guards shall be rigidly braced every three (3) feet or fractional part of their height to some fixed part of machinery or building structure. The third-party validation organization, annually or after a change specified in paragraph 1., shall validate the employer's certification that the requirements of paragraph B., Installation Certification/Validation have been met. Grinding wheels shall fit freely on the spindle and remain free under all grinding conditions. Mines. (10) Counterbalance means the mechanism that is used to balance or support the weight of the connecting rods, slide, and slide attachments. The total system design shall be certified by the manufacturer as complying with all requirements in 29 CFR 1910.217 (a) through (h) and this appendix A. The unused run of the sanding belt shall be guarded against accidental contact. (8) Die handling. When the bearing surfaces become worn, warped, sprung, or damaged they should be trued or refaced. (12) Guard design specifications. (2) Arbor size. Appendix A to Subpart L of Part 1910Fire Protection (8) Forging rolls mean a class of auxiliary forging equipment wherein stock is shaped between power driven rolls bearing contoured dies. (9) Continuous means uninterrupted multiple strokes of the slide without intervening stops (or other clutch control action) at the end of individual strokes. 1910.215 Abrasive wheel machinery. Certification/Validation Program Level of Risk Evaluation Requirements. This is in addition to the report of injury required by paragraph (g) of this section; however, a copy of that report may be used for this purpose. Although this appendix as such is not mandatory, it references sections and requirements which are made mandatory by other parts of the PSDI standard and appendices. (d) Each pull-out device in use shall be visually inspected and checked for proper adjustment at the start of each operator shift, following a new die set-up, and when operators are changed. 1. 1910.1018 Inorganic arsenic. (4) Tongs. If belt is eight (8) inches or more in width. A correlation of the brake and/or clutch degradation based on the above tests and/or estimates shall be made and documented. The recognition of any validation organization will be evidenced by a letter of recognition from OSHA. 7, 1996]. The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. Prior to conducting the brake system test required by paragraph (h)(2)(ii), a visual check shall be made of the springs. 1910.1024 Beryllium. They shall be continuous, the ends being either riveted, bolted, or welded together in such a manner as to leave the inside free from projections. Openings for oiling. (vi) It shall be the responsibility of the employer to ensure the competence of personnel caring for, inspecting, and maintaining power presses equipped for PSDI operation, through initial and periodic training. (ii) Where speeds above 250 feet per minute as measured on the surface of the drive roll are used, stopping distances of more than 134 percent are permissible. 1910.1053 Respirable crystalline silica. (iii) Suitable reinforcement shall be provided for the ceiling rafters or overhead floor beams, where such is necessary, to sustain safely the weight and stress likely to be imposed by the guard. 1910.144 Safety color code for marking physical hazards. 1910.157 Portable fire extinguishers. (3) Each disk sanding machine shall have the exhaust hood, or other guard if no exhaust system is required, so arranged as to enclose the revolving disk, except for that portion of the disk above the table, if a table is used, which may be necessary for the application of the material to be finished. This clearance shall not exceed one-sixteenth inch. 1910.1017 Vinyl chloride. Tr = Longest response time, in seconds, of all interposing control elements between the presence sensing device and the clutch/brake operating mechanism(s). 1910.216 Mills and calenders in the rubber and plastics industries. Air controlling equipment shall be protected against foreign material and water entering the pneumatic system of the press. (i) Hand-lever-operated power presses shall be equipped with a spring latch on the operating lever to prevent premature or accidental tripping. 1910.1013 beta-Propiolactone. If a hearing is requested, it shall be held before an administrative law judge of the Department of Labor pursuant to the rules specified in 29 CFR part 1905, subpart C. c. The parties shall be OSHA and the recognized validation organization. (v) Tongs shall be of sufficient length to clear the body of the worker in case of kickback, and shall not have sharp handle ends. ), (9) Exposure adjustment. Pulleys serving as balance wheels (e.g., punch presses) on which the point of contact between belt and pulley is more than six feet six inches (6 ft. 6 in.) Gears. The validation organization shall have a reasonable written procedure for acknowledging and processing appeals or complaints from program participants (manufacturers, producers, suppliers, vendors and employers) as well as other interested parties (employees or their representatives, safety personnel, government agencies, etc. The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cylindrical grinding machines shall not exceed 180. (2) Inspection and maintenance. EN 618:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors EN 619:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads Steel castings (min. (vii) Reactivation of PSDI operation following deactivation of the PSDI mode from any other cause, such as activation of the red color stop control required by paragraph (b)(7)(ii) of this section, interruption of the presence sensing field, opening of an interlock, or reselection of the number of sensing field interruptions/withdrawals required to cycle the press, shall require resetting of the set-up/reset means. D. Similarity analysis may be used in lieu of tests where it can be shown that the article is similar in design, manufacturing process, and quality control to another article that was previously certified/validated in accordance with equivalent or more stringent criteria. Saws to which gum has adhered on the sides shall be immediately cleaned. (b) Each two hand control shall meet the construction requirements of paragraph (b)(7)(v) of this section. 2. (32) Guard means a barrier that prevents entry of the operator's hands or fingers into the point of operation. (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). (4) Belt sanding machines shall be provided with guards at each nip point where the sanding belt runs on to a pulley. Steam or air piping shall conform to the specifications of American National Standard ANSI B31.1.0-1967, Power Piping with Addenda issued before April 28, 1971, which is incorporated by reference as specified in 1910.6. Each recognized third-party validation organization and its validating laboratories shall: 1. The requirement in paragraph (h)(2)(ii) defines a high torque capability which should ensure fast and consistent stopping times. (See paragraph (d)(5) of this section.). When required by paragraph (c)(5) of this section, the brake monitor shall meet the following requirements: (i) Be so constructed as to automatically prevent the activation of a successive stroke if the stopping time or braking distance deteriorates to a point where the safety distance being utilized does not meet the requirements set forth in paragraph (c)(3)(iii)(e) or (c)(3)(vii)(c) of this section. In deriving the safety distance required in paragraph (h)(9)(v), all stopping time measurements should be made with clutch/brake air pressure regulated to the press manufacturer's recommended value for full clutch torque capability. (B) The air supply for pneumatic clutch/brake control valves shall incorporate a filter, an air regulator, and, when necessary for proper operation, a lubricator. (iii) Stamped to indicate complete die weight when handling equipment may become overloaded. View the most recent official publication: These links go to the official, published CFR, which is updated annually. (iii) A fixed barrier guard shall be attached securely to the frame of the press or to the bolster plate. Grinding is always performed on rim face, W dimension. (iv) There are three general types of flanges: (a) Straight relieved flanges (see Figure O-32); (b) Straight unrelieved flanges (see Figure O-30); (c) Adaptor flanges (see Figures O-33 and O-34); (v) Regardless of flange type used, the wheel shall always be guarded. (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. (i) Guards for horizontal overhead belts shall run the entire length of the belt and follow the line of the pulley to the ceiling or be carried to the nearest wall, thus enclosing the belt effectively. 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. 1910.102 Acetylene. b. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. Examples: board hammers and air-lift hammers. Brakes which are the adjustable type shall be adjusted properly before the test. Overhead chain and link belt drives are governed by the same rules as overhead horizontal belts and shall be guarded in the same manner as belts. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 40 FR 3982, Jan. 27, 1975; 43 FR 49750, Oct. 24, 1978; 45 FR 8594, Feb. 8, 1980; 49 FR 18295, Apr. (iii) Following a die change, the safety distance, the proper application of supplemental safeguarding, and the slide counterbalance adjustment (if the press is equipped with a counterbalance) shall be checked and maintained by authorized persons whose qualifications include knowledge of the safety distance, supplemental safeguarding requirements, and the manufacturer's specifications for counterbalance adjustment. This diagram shows the accepted safe openings between the bottom edge of a guard and feed table at various distances from the danger line (point of operation). (e) Inspection, maintenance, and modification of presses -. (5) Excluded machines. 1910.119 Process safety management of highly hazardous chemicals. The validation organization shall demonstrate that: a. All points not readily accessible shall have oil feed tubes if lubricant is to be added while machinery is in motion. The time increase allowed shall be limited to no more than 10 percent of the longest press stopping time measured at the top of the stroke, or 10 milliseconds, whichever is longer. Tm = Increase in the press stopping time at the top of the stroke, in seconds, allowed by the brake monitor for brake wear. (2) Ambient relative humidity of 99 percent. 1910.244 Other portable tools and equipment. (vi) The employer shall notify the OSHA-recognized third-party validation organization within five days of the occurrence of any point of operation injury while a press is used in the PSDI mode. When frequent oiling must be done, openings with hinged or sliding self-closing covers shall be provided. (h) Modified types 6 and 11 wheels (terrazzo). The removal of a hand from any control button shall cause the slide to stop. The manufacturer shall design a set of integrated tests to demonstrate compliance with the following requirements: Sections 1910.217(h)(6) (ii); (iii); (iv); (v); (vi); (vii); (viii); (ix); (xi); (xii); (xiii); (xiv); (xv); and (xvii). Examples of guarding methods are - barrier guards, two-hand tripping devices, electronic safety devices, etc. 1910.108 [Reserved] It shall automatically adjust itself to the thickness of and remain in contact with the material being cut. The employer shall provide clearance between machines so that movement of one operator will not interfere with the work of another. An open space, not exceeding four (4) inches in width, may be left between the outside edge of the disk and the rim of the wheel if desired, to facilitate turning the wheel over. (i) Air valve and air pressure supply/control. This table shows the distances that guards shall be positioned from the danger line in accordance with the required openings. (viii) Those clutch/brake control systems which contain both single and continuous functions shall be designed so that completion of continuous circuits may be supervised by the employer. ), concerning certification or validation. Where guard is exposed to contact with moving equipment, additional strength may be necessary. In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. (2) Hydraulic forging presses. (4) Inverted swing cutoff saws shall be provided with a hood that will cover the part of the saw that protrudes above the top of the table or above the material being cut. An application may be withdrawn by an applicant, without prejudice, at any time prior to the final decision by the Assistant Secretary in paragraph I.B.8.b. full text search results (E) A system or visual check shall be made to verify correct counterbalance adjustment for die weight according to the press manufacturer's instructions, when a press is equipped with a slide counterbalance system.

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