29 U.S.C. b. a. Conveyors are safe when used correctly, but they can be dangerous, and even deadly, if workers fail to follow safety procedures when working on or around them. ), (4) Cylindrical grinders. The certification/validation process includes two stages. of this appendix, subject to the possible reinspection exception. The explanation and use of the scale shall be documented. 1910.306 Specific purpose equipment and installations. This checklist covers regulations issued by the U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standard 29 CFR 1910.23. d. Tests designed by the manufacturer shall be made available upon request to the validation organization. The back flange shall extend beyond the central hub or raised portion and contact the wheel to counteract the side pressure on the wheel in use. Blotters need not be used with the following types of wheels: (ii) Abrasive discs (inserted nut, inserted washer, and projecting-stud type). The hood and mounting shall be arranged so that the hood will automatically adjust itself to the thickness of and remain in contact with the material being cut but it shall not offer any considerable resistance to insertion of material to saw or to passage of the material being sawed. 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 Background and more details are available in the (4) Openings for oiling. Both types are reinforced, organic bonded wheels having offset hubs which permit side and peripheral grinding operations without interference with the mounting. (64) Certification or certify means, in the case of design certification/validation, that the manufacturer has reviewed and tested the design and manufacture, and in the case of installation certification/validation and annual recertification/revalidation, that the employer has reviewed and tested the installation, and concludes in both cases that the requirements of 1910.217 (a) through (h) and appendix A have been met. Limitation: Minimum back thickness, E dimension, should not be less than one-fourth T dimension. 1910.34 Coverage and definitions. 1910.262 Textiles. The employer shall evaluate and test the PSDI system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall certify that the requirements of 1910.217(a) through (h) and this appendix A have been met and that the installation is proper. The stopping time measurements should be made with the heaviest upper die that is planned for use in the press. The test report shall include the following: a. (3) Surface condition. 3. site when drafting amendatory language for Federal regulations: Without hearing. If you have questions or comments regarding a published document please (10) Counterbalance means the mechanism that is used to balance or support the weight of the connecting rods, slide, and slide attachments. c. The applicant shall provide information demonstrating that it and any validating laboratory utilized meet the program requirements set forth in section III of this appendix. [39 FR 23502, June 27, 1974, as amended at 49 FR 5323, Feb. 10, 1984; 61 FR 9240, Mar. (vii) Controls for more than one operating station shall be designed to be activated and deactivated in complete sets of two operator's hand controls per operating station by means capable of being supervised by the employer. c. Its employees are secure from discharge resulting from pressures from manufacturers, suppliers, vendors, employers or employee representatives. 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. (i) 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. (D) The requirements for hand tools that may be used in the PSDI mode. (5) Sharpening or tensioning of saw blades or cutters shall be done only by persons of demonstrated skill in this kind of work. The failure shall be indicated by the system. (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. Specifications Met: ANSI Z359.14, OSHA 1910.66, OSHA 1926.502 ; 3M Protecta Fall Protection AD120BC Rebel Self-Retracting Lifeline With Swivel Hook, 310 lb Load . (i) Any press equipped with presence sensing devices for use in PSDI, or for supplemental safeguarding on presses used in the PSDI mode, shall be equipped with a test rod of diameter specified by the presence sensing device manufacturer to represent the minimum object sensitivity of the sensing field. (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. However, where an operator must do many operations outside the press, such as lubricating, trimming, deburring, etc., a longer interval up to 30 seconds is permitted. 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. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9240, Mar. Die-setting shall not be done in the PSDI mode. (ii) The motor start button shall be protected against accidental operation. (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. (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). The diameter of circular shaper guards shall be not less than the greatest diameter of the cutter. http://www.osha.gov/pls/oshaweb/mechanical.html. a. Subpart GOccupational Health and Environmental Control. Grinding wheels shall fit freely on the spindle and remain free under all grinding conditions. 1910.212(a)(1) b. A copy of the certification/validation report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to the public upon request. 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. 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. Preliminary approval. (See Figures O-8 and O-9. (vi) Oil swabs, or scale removers, or other devices to remove scale shall be provided. (ii) The PSDI mode shall not be used for die setting or set-up. Final decision by Assistant Secretary - a. 3. All new mill installations shall be installed so that the top of the operating rolls is not less than 50 inches above the level on which the operator stands, irrespective of the size of the mill. The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. (b) Guarding of abrasive wheel machinery -. Maximum hole size for all other applications should not exceed one-half wheel diameter. Flanges shall be dimensionally accurate and in good balance. Belt shifters, clutches, shippers, poles, perches, and fasteners -. d. When one year has elapsed since the installation certification/validation or the last recertification/revalidation. The validation organization shall demonstrate a capability for selecting, reviewing, and/or validating appropriate standards and test methods to be used for validating the certification of PSDI safety systems, as well as for reviewing judgements on the safety of PSDI safety systems and their conformance with the requirements of this section. 1910.1002 Coal tar pitch volatiles; interpretation of term. 2. The emphasis is on an integrated total system including all elements affecting point of operation safety. Installed at front and back of each mill having a 46-inch roll height or over. (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. The certifications are made to the validation organization. 1910.254 Arc welding and cutting. (26) Feeding means the process of placing or removing material within or from the point of operation. The certification/validation process shall verify that the safety system complies with the OSHA safety requirements as follows: 1. (i) The control system on presses used in the PSDI mode shall meet the applicable requirements of paragraphs (b)(7), (b)(8), (b)(13), and (c)(5) of this section. These safety training PowerPoints cover the items specified by OSHA standards. (62) Safety system means the integrated total system, including the pertinent elements of the press, the controls, the safeguarding and any required supplemental safeguarding, and their interfaces with the operator, and the environment, designed, constructed and arranged to operate together as a unit, such that a single failure or single operating error will not cause injury to personnel due to point of operation hazards. 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. 1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.). 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. 1910.219 (a) (1) This section covers all types and shapes of power-transmission belts, except the following when operating at two hundred and fifty (250) feet per minute or less: 1910.219 (a) (1) (i) Flat belts one (1) inch or less in width, 1910.219 (a) (1) (ii) 1. 6. ), concerning certification or validation. In no case shall a warning device of leather or other material attached to the spindle be acceptable. of this appendix, above, not less than 180 calendar days, nor more than one year, before the expiration date of its current recognition. 1910.180 Crawler locomotive and truck cranes. In the area of Safety Standards for Conveyors, CEMA defers and refers to the American Society of Mechanical Engineers, Association for Manufacturing Technology, and OSHA to develop broad industry safety standards where they can.. Read below for additional safety information: For all Conveyors the ASME B20 Committee for Conveyors and Related Equipment maintains the National Standard ANSI/ASME . The requirement in paragraph (h)(2)(ii) defines a high torque capability which should ensure fast and consistent stopping times. (13) Revolving double arbor saws shall be fully guarded in accordance with all the requirements for circular crosscut saws or with all the requirements for circular ripsaws, according to the kind of saws mounted on the arbors. (c) The safety distance (Ds) between each two hand control device and the point of operation shall be greater than the distance determined by the following formula: (d) Two hand controls shall be fixed in position so that only a supervisor or safety engineer is capable of relocating the controls. (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. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. (2) Modification. The validation organization shall notify the appropriate product manufacturer(s) of any reports from employers of point of operation injuries which occur while a press is operated in a PSDI mode. 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. (5) Unitized tooling. (2) Each bandsaw machine shall be provided with a tension control device to indicate a proper tension for the standard saws used on the machine, in order to assist in the elimination of saw breakage due to improper tension. If cracked, there will be a dead sound and not a clear ring.. (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. Where tools are used for feeding, removal of scrap, lubrication of parts, or removal of parts that stick on the die in PSDI operations: (A) The minimum diameter of the tool handle extension shall be greater than the minimum object sensitivity of the presence sensing device(s) used to initiate press strokes; or. 1910.26 Dockboards. A report shall be made of each field inspection. (4) This section covers the principal features with which power transmission safeguards shall comply. The validation organization and validating laboratory shall have adequate administrative and technical staffs to conduct the validation of the certification of PSDI safety systems. The most recent records shall be made available to OSHA upon request. (1) Guards. (3) Scrap handling. The minimum guarding line is the distance between the infeed side of the guard and the danger line which is one-half inch from the danger line. (i) Under the general component of the inspection program, the employer shall: (A) Conduct periodic and regular inspections of each power press to ensure that all of its parts, auxiliary equipment, and safeguards, including the clutch/brake mechanism, antirepeat feature, and single-stroke mechanism, are in a safe operating condition and adjustment; (B) Perform and complete necessary maintenance or repair, or both, before operating the press; and. (3) Vibration of 45G for one millisecond per stroke when the item is to be mounted on the press frame. (8) The practice of inserting wedges between the saw disk and the collar to form what is commonly known as a wobble saw shall not be permitted. Minimum requirements. 1910.1200 Hazard communication. (3) Steam hammers mean a type of drop hammer where the ram is raised for each stroke by a double-action steam cylinder and the energy delivered to the workpiece is supplied by the velocity and weight of the ram and attached upper die driven downward by steam pressure. Where a calender is so installed that persons cannot normally reach through, over, under, or around to come in contact with the roll bite or be caught between a roll and an adjacent object, then, provided such elements are made a fixed part of a calender, safety control devices listed in paragraph (c) of this section shall not apply. Even though not employing a clutch, direct drives match the operational characteristics of part revolution clutches because the driving power may be disengaged during the stroke of the press. (4) Power controls and operating controls should be located within easy reach of the operator while he is at his regular work location, making it unnecessary for him to reach over the cutter to make adjustments. 1910.137 Electrical protective equipment. These guards shall effectively prevent the hands or fingers of the operator from coming in contact with the nip points. a. (i) Air valve and air pressure supply/control. 1910.104 Oxygen. (b) The control system shall be designed to permit an adjustment which will require concurrent pressure from both hands during the die closing portion of the stroke. (8) Surface feet per minute (s.f.p.m.) 1910.219 Mechanical power-transmission apparatus. All drip cups and pans shall be securely fastened. and 2. for the combined position. Means must be provided to prevent tightener from falling, in case the belt breaks. 1910.423 Post-dive procedures. 1910.1451-1910.1499 [Reserved]. (1) Forging means the product of work on metal formed to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. Bearings. The spindle speed of the machine shall be checked before mounting of the wheel to be certain that it does not exceed the maximum operating speed marked on the wheel. Such stopping distances shall be subject to engineering determination. All abrasive wheels shall be mounted between flanges which shall not be less than one-third the diameter of the wheel. (iii) Type of clutch used on the press (full revolution, part revolution, or direct drive). (b) The performance of combined subsystems meets OSHA's operational requirements. When dies are being changed, maintenance performed, or any work done on the machine, the power to the upsetter shall be locked out, and the flywheel shall be at rest. The manufacturer's recommended minimum lining depth shall be identified and documented, and an evaluation made that the minimum depth will not be exceeded before the next (annual) recertification/revalidation. (4) Exposed to contact means that the location of an object is such that a person is likely to come into contact with it and be injured. (g) Guarding friction drives. 1910.37 Maintenance, safeguards, and operational features for exit routes. (iii) Modified Types 6 and 11 wheels (terrazzo) with tapered K dimension. The certification/validation of safety systems for PSDI shall consider the press, controls, safeguards, operator, and environment as an integrated system which shall comply with all of the requirements in 29 CFR 1910.217 (a) through (h) and this appendix A. 1910.155 Scope, application and definitions applicable to this subpart. Regulations Respecting Occupational Health and Safety, Decree 885-2001, 5-2.1, r.19.01, July 2001. (i) Straight relieved flanges made according to Table O-6 and Figure O-32 shall be recessed at least one-sixteenth inch on the side next to the wheel for a distance as specified in Table O-6. (viii) A scale guard of substantial construction shall be provided at the back of every hammer, so arranged as to stop flying scale. On offhand grinding machines, work rests shall be used to support the work. While it is permitted to use signs to warn people of hazards in addition to those listed in this area, other accident prevention signs and tags can't have the same design and appearance. (iv) All a.c. control circuits and solenoid value coils shall be powered by not more than a nominal 120-volt a.c. supply obtained from a transformer with an isolated secondary. Where guard is exposed to contact with moving equipment, additional strength may be necessary. A means of air lubrication shall be provided when needed. The manufacturer shall design a test to demonstrate that the prescribed minimum object sensitivity of the presence sensing device is met. The third-party validation organization shall have legal authority to perform certification/validation activities. The stroking selector generally includes positions for Off (Clutch Control), Inch, Single Stroke, and Continuous (when Continuous is furnished). One or more methods of machine guarding shall be provided to protect the operator and other employees in the machine area from hazards such as those created by point of operation, ingoing nip points, rotating parts, flying chips and sparks.
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