It is the intent of paragraph (h)(7) that control components be provided with inherent design protection against operating stresses and environmental factors affecting safety and reliability. (7) Die fastening. Choosing an item from (ii) For installation certification/validation and annual recertification/revalidation has reviewed the employer's certification that the PSDI safety system meets the requirements of 1910.217 (a) through (h) and appendix A and the underlying tests performed by the employer, has performed additional tests and analyses which may be required by 1910.217 (a) through (h) and appendix A, and concludes that the requirements of 1910.217 (a) through (h) and appendix A have been met. 1910.119 Process safety management of highly hazardous chemicals. 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. Lubrication of bearings is considered the single greatest deterrent to their failure. [39 FR 23502, June 27, 1974, as amended at 49 FR 5323, Feb. 10, 1984; 51 FR 34561, Sept. 29, 1986; 61 FR 9240, Mar. The hood shall be made of adequate strength to resist blows and strains incidental to reasonable operation, adjusting, and handling, and shall be so designed as to protect the operator from flying splinters and broken saw teeth. a. 1910.37 Maintenance, safeguards, and operational features for exit routes. 1910.272 Grain handling facilities. (4) Tongs. 1910.255 Resistance welding. 3. Fixing of selection shall be by means capable of supervision by the employer. (ii) Air-lift hammers shall have an air shutoff valve as required in paragraph (d)(2) of this section. Content of application. (3) Vibration of 45G for one millisecond per stroke when the item is to be mounted on the press frame. Appendix A to Subpart T of Part 1910Examples of Conditions Which May Restrict or Limit Exposure to Hyperbaric Conditions (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. 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). Appendix B to Subpart T of Part 1910Guidelines for Scientific Diving 5. These safety training PowerPoints cover the items specified by OSHA standards. (xvi) The control system shall permit only a single stroke per initiation command. (iv) For cutting-off wheels 16 inches diameter and smaller and where speed does not exceed 16,000 surface feet per minute, cast iron or malleable iron safety guards as specified in Figures O-36 and O-37, and in Table O-9 shall be used. will bring you directly to the content. The employer shall train and instruct the operator in the safe method of work before starting work on any operation covered by this section. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. 5. A U type guard is permissible. Types of Tests Acceptable for Certification/Validation. (D) A check shall be made to assure that the barriers and/or supplemental presence sensing devices required by paragraph (h)(9)(ix) of this section are operating properly. 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. (3) Type 6 straight cup wheels means wheels having diameter, thickness, hole size, rim thickness, and back thickness dimensions. 1910.509Incorporation by reference. Any person or organization considering itself capable of conducting a PSDI-related third-party validation function may apply for OSHA recognition. Brake design parameters important to PSDI are high torque, low moment of inertia, low air volume (if pneumatic) mechanisms, non-interleaving engagement springs, and structural integrity which is enhanced by over-design. Showing movable guard with size of opening correct for full size wheel but too large for smaller wheels. Installed in the front and in the back of each mill and located within 2 inches of a vertical plane tangent to the front and rear rolls. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. 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. These guards shall cover at least the unused part of the periphery of the cutting head. (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). 1910.16 Longshoring and marine terminals. The identified parts, components and subsystems shall be certified by the manufacturer to be able to withstand the functional and operational environments of the PSDI safety system. 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. (xii) The clutch/brake control shall incorporate an automatic means to prevent initiation or continued activation of the Single Stroke or Continuous functions unless the press drive motor is energized and in the forward direction. It is not an official legal edition of the CFR. When mounting wheels which have not been cemented together, or ones which do not utilize separating spacers, care must be exercised to use wheels specially manufactured for that purpose. 1910.1000 Air contaminants. (ii) A gate or movable barrier device shall protect the operator as follows: (a) A Type A gate or movable barrier device shall protect the operator in the manner specified in paragraph (c)(3)(i)(f) of this section, and. 1910.95 Occupational noise exposure. Control components shall be selected, constructed, and connected together in such a way as to withstand expected operational and environmental stresses, at least including those outlined in appendix A. (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. Certification/Validation Program Requirements. For saws with tilting tables or tilting arbors the fence shall be so constructed that it will remain in a line parallel with the saw, regardless of the angle of the saw with the table. When a press is equipped for PSDI operation, it is recommended that the presence sensing device be active as a guarding device in other production modes. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. We recommend you directly contact the agency responsible for the content in question. (3) For combination or universal woodworking machines each point of operation of any tool shall be guarded as required for such a tool in a separate machine. (29) Manual feeding means feeding wherein the material or part being processed is handled by the operator on each stroke of the press. (The operational and installation requirements of the PSDI safety system may vary for different applications.). (14) Operators shall not ride the carriage of a veneer slicer. 1910.505Severability. For full revolution clutch presses with only one engaging point Tm is equal to the time necessary for one and one-half revolutions of the crankshaft. 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. Available from the CSST Document Center (English website under construction) (RJ-510071). The validation organization or validating laboratory shall have a follow-up system for inspecting or testing manufacturer's production of design certified/validated PSDI safety system components and subassemblies where deemed appropriate by the validation organization. 2. (2) Ambient relative humidity of 99 percent. result, it may not include the most recent changes applied to the CFR. Every steam or airhammer shall have a safety cylinder head to act as a cushion if the rod should break or pullout of the ram. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. Antirepeat requires release of all tripping mechanisms before another stroke can be initiated. All foot operated devices (i.e., treadles, pedals, bars, valves, and switches) shall be substantially and effectively protected from unintended operation. 1910.9 Compliance duties owed to each employee. This responsibility includes: (i) Establishing periodic and regular maintenance safety checks and keeping certification records of these inspections which include the date of inspection, the signature of the person who performed the inspection and the serial number, or other identifier, for the forging machine which was inspected. (4) Overloading. This subdivision does not apply to flywheels with solid web centers. In addition, a permanent label not less than 112 inches by 34 inch shall be affixed to the rear of the guard at approximately the level of the arbor, reading as follows: Danger: Do Not Rip or Plough From This End. Preliminary disapproval. The route followed by the oiler is protected in such manner as to prevent accident. 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. A slide is also called a ram, plunger, or platen. Clutches, cutoff couplings, or clutch pulleys having projecting parts, where such clutches are located seven (7) feet or less above the floor or working platform, shall be enclosed by a stationary guard constructed in accordance with this section. (vii) Where presence sensing device location is adjustable, adjustment shall require the use of a special tool available only to authorized persons. 1910.266 Logging operations. (12) Guard design specifications. If the deficiencies are not corrected, OSHA may revoke recognition, effective in 60 days, unless the validation organization requests a hearing within that time. The upper rail shall be two by four (2 x 4) inches, or two one by four (1 x 4) strips, one at the top and one at the side of posts. (1) Each circular resaw shall be guarded by a hood or shield of metal above the saw. 39 FR 23502, June 27, 1974, unless otherwise noted. (i) Where both runs of horizontal belts are seven (7) feet or less from the floor level, the guard shall extend to at least fifteen (15) inches above the belt or to a standard height except that where both runs of a horizontal belt are 42 inches or less from the floor, the belt shall be fully enclosed in accordance with paragraphs (m) and (o) of this section. (1) All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. (11) Safety system certification/validation. Vertical and inclined shafting seven (7) feet or less from floor or working platform, excepting maintenance runways, shall be enclosed with a stationary casing in accordance with requirements of paragraphs (m) and (o) of this section. (iii) Paragraph (e)(1)(ii) of this section does not apply to presses that comply with paragraphs (b)(13) and (14) of this section. (4) Vertical belts. 1910.161 Fixed extinguishing systems, dry chemical. A summary of part level content is listed below followed by the table of contents, where you can drill down further. All contact surfaces of wheels, blotters and flanges shall be flat and free of foreign matter. The employer shall evaluate and test the PSDI safety system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall recertify that the requirements of 1910.217(a) through (h) and this appendix are being met.
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