osha conveyor safety 1910 osha conveyor safety 1910

A hearing will be granted to an objecting member of the public only if evidence of failure to meet the requirements of this appendix is supplied to OSHA. 1910.1052 Methylene chloride. above floor level. (10) Counterbalance means the mechanism that is used to balance or support the weight of the connecting rods, slide, and slide attachments. Higher voltages that may be necessary for operation of machine or control mechanisms shall be isolated from any control mechanism handled by the operator, but motor starters with integral Start-Stop buttons may utilize line voltage control. 1910.94 Ventilation. a. 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. The work rest shall be securely clamped after each adjustment. (4) Mill roll heights. Bearings shall be kept in alignment and properly adjusted. (26) Feeding means the process of placing or removing material within or from the point of operation. (4) Vertical belts. (v) The route followed by the oiler is protected in such manner as to prevent accident. 1910.1450 Occupational exposure to hazardous chemicals in laboratories. 1910.6 Incorporation by reference. (4) Work rests. While the brake monitor setting is based on the stopping time it actually measures, i.e., the normal stopping time at the top of the stroke, it is important that the safety distance be computed from the longest stopping time measured at any of the indicated three downstroke stopping positions listed in the explanation of Ts. The approval of brake monitor adjustments, as required in paragraph (h)(5)(ii), is not considered a recertification, and does not necessarily involve an on-site inspection by a representative of the validation organization. (xiii) The Control system shall incorporate interlocks for supplemental guards, if used, which will prevent stroke initiation or will stop a stroke in progress if any supplemental guard fails or is deactivated. Belts which of necessity must be shifted by hand and belts within seven (7) feet of the floor or working platform which are not guarded in accordance with this section shall not be fastened with metal in any case, nor with any other fastening which by construction or wear will constitute an accident hazard. 3. 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. This shall include the use of the test rod required by paragraph (h)(10)(i) of this section. Consistency of braking action is enhanced by high brake torque. (3) Bench and floor stands. Expanded metal, perforated or solid sheet metal, wire mesh on a frame of angle iron, or iron pipe securely fastened to floor or to frame of machine. The written procedures for test and certification/validation of PSDI systems, and the standards and test methods on which they are based, shall be reproducible and be available to OSHA and to the public upon request. the hierarchy of the document. 1910.134 Respiratory protection. Wall thickness at the back is normally greater than at the grinding face (W). 1910.1005 [Reserved] (1) Hot trimming presses. The requirements of this paragraph are also applicable to sliding cutoff saws mounted above the table. Belts which of necessity must be shifted by hand and belts within seven (7) feet of the floor or working platform which are not guarded in accordance with this section shall not be fastened with metal in any case, nor with any other fastening which by construction or wear will constitute an accident hazard. 1. Presses whose designs incorporate flywheels running on journals on the crankshaft or back shaft, or bull gears running on journals mounted on the crankshaft, shall be inspected, lubricated, and maintained as provided in paragraph (h)(10) of this section to reduce the possibility of unintended and uncontrolled press strokes caused by bearing seizure. 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. (See Figures O-16 and O-17. 1910.17 Effective dates. The recognition of any validation organization will be evidenced by a letter of recognition from OSHA. Such tools shall not be in lieu of other guarding required by this section, but can only be used to supplement protection provided. 1910.179 Overhead and gantry cranes. Tests which are conducted by the manufacturers of electrical components to establish stress, life, temperature and loading limits must be tests which are in compliance with the provisions of the National Electrical Code. (A) The requirements of paragraphs (b)(7)(xiii), (b)(7)(xiv), (b)(10), (b)(12) and (c)(5)(iii) of this section apply to the pneumatic systems of machines used in the PSDI mode. (2) Instruction to operators. fOSHA Conveyor Standards citations and headings If center to center distance between pulleys is ten (10) feet or more. (iii) The employer shall provide die stops or other means to prevent losing control of the die while setting or removing dies in presses which are inclined. 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. A U type guard is permissible. 1910.156 Fire brigades. (m) Standard guards - general requirements -. (7) Nip-point belt and pulley guard means a device which encloses the pulley and is provided with rounded or rolled edge slots through which the belt passes. a. 1910.126 Additional requirements for special dipping and coating operations. 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. (iii) Training personnel for the proper inspection and maintenance of forging machinery and equipment. Table O-2 - Exposure Versus Wheel Thickness, Table O-4 - Minimum Dimensions for Straight Unrelieved Flanges for Wheels with Threaded Inserts or Projecting Studs. (54) Stroking selector means the part of the clutch/brake control that determines the type of stroking when the operating means is actuated. A slide is also called a ram, plunger, or platen. (3) Guards for horizontal overhead belts. (See Figures O-12 and O-13), (6) Swing frame grinders. 1910.124 General requirements for dipping and coating operations. See paragraph (c)(3)(ii) of this section regarding manual feeding through interlocked press barrier devices. Each manufacturer supplying parts, components, subsystems, and assemblies needs to maintain the quality of the product, and each employer needs to maintain the system in a non-degraded condition. 1926.555 (a) (5) Where a conveyor passes over work areas, aisles, or thoroughfares, suitable guards shall be provided to protect employees required to work below the conveyors. 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. This document is available in the following developer friendly formats: Information and documentation can be found in our 1910.112-1910.113 [Reserved] 1910.119 Process safety management of highly hazardous chemicals. The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. Compliance with 1910.217(h)(2)(iii). 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. (d) Muting (bypassing of the protective function) of such device, during the upstroke of the press slide, is permitted for the purpose of parts ejection, circuit checking, and feeding. If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below. This does not apply to constant pressure controls used only for setup purposes. 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. The certification/validation process includes two stages. Momentary operation of the stop control shall immediately deactivate the clutch and apply the brake. 1910.212(a)(1) In lieu of such yielding sectional rolls, suitable section kickback finger devices shall be provided at the infeed end. If such a guard is constructed of sheet metal, the material used shall be not less than one-sixteenth inch in thickness; and if cast iron is used, it shall not be less than three-sixteenths inch in thickness. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. Each time the operational conditions are significantly changed (including environmental, application or facility changes, but excluding such changes as die changes or press relocations not involving revision to the safety system); c. When a failure of a significant component has occurred or a change has been made which may affect safety; or. All trip and emergency switches shall not be of the automatically resetting type, but shall require manual resetting. Safety Standard for Guarding of Machinery and Mechanical Power Transmission Apparatus. (ii) Employee's name, injury sustained, and the task being performed (operation, set-up, maintenance, or other). 553. (iv) Prevents the initiation of a stroke, or stops of stroke in progress, when there is an intrusion through the sensing field by any part of the operator's body or by any other object. 2. The third-party validation organization, the validating laboratory, and the employees of each shall meet the requirements set forth in this section of this appendix. (12) Presence sensing device means a device designed, constructed and arranged to create a sensing field or area that signals the clutch/brake control to deactivate the clutch and activate the brake of the press when any part of the operator's body or a hand tool is within such field or area. Where loose pulleys or idlers are not practicable, belt perches in form of brackets, rollers, etc., shall be used to keep idle belts away from the shafts. (xiii) The clutch/brake control shall automatically deactivate in event of failure of the power or pressure supply for the clutch engaging means. 2. The failure shall be detectable by a simple test, or indicated by the control system. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 5-2002 (67 FR 65008), or 1-2012 (77 FR 3912), as applicable; 20 CFR part 1911. 1910.25 Stairways. (ii) Inclined and vertical shafts, particularly inclined idler shafts, shall be securely held in position against endwise thrust. (3) Each hand-fed circular ripsaw shall be provided with nonkickback fingers or dogs so located as to oppose the thrust or tendency of the saw to pick up the material or to throw it back toward the operator. This requirement pertains only to those single-stroke, two-hand controls manufactured and installed on or after August 31, 1971. (ii) The PSDI mode shall not be used for die setting or set-up. The spreader shall be slightly thinner than the saw kerf and slightly thicker than the saw disk. On offhand grinding machines, work rests shall be used to support the work. (f) It shall offer maximum visibility of the point of operation consistent with the other requirements. It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. (iv) Personal protective equipment (gloves, goggles, aprons, and other items) shall be worn. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. The test report shall be signed by a technical staff representative and the Technical Director. This subparagraph does not apply to keys or setscrews within gear or sprocket casings or other enclosures, nor to keys, setscrews, or oilcups in hubs of pulleys less than twenty (20) inches in diameter where they are within the plane of the rim of the pulley. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. 2. If the frame of the belt shifter does not adequately guard the nip point of the belt and pulley, the nip point shall be further protected by means of a vertical guard placed in front of the pulley and extending at least to the top of the largest step of the cone. An OSHA catwalk serviced by a stairway is a type of stair landing. (ii) The vertical clearance in passageways between the floor and power transmission beams, ceiling, or any other objects, is not less than five feet six inches (5 ft. 6 in.). Belt shifters, clutches, shippers, poles, perches, and fasteners -. 1910.423 Post-dive procedures. of this appendix, subject to the possible reinspection exception. 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. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. 1910.159 Automatic sprinkler systems. Side grinding wheel having a wall flared or tapered outward from the back. The certification record shall be made available upon request to the Assistant Secretary for Occupational Safety and Health. 2. (5) Forging presses mean a class of forging equipment wherein the shaping of metal between dies is performed by mechanical or hydraulic pressure, and usually is accomplished with a single workstroke of the press for each die station. The regular oilers shall wear tight-fitting clothing. All guards for inclined belts shall be arranged in such a manner that a minimum clearance of seven (7) feet is maintained between belt and floor at any point outside of guard. Horizontal overhead belts more than seven (7) feet above floor or platform shall be guarded for their entire length under the following conditions: If located over passageways or work places and traveling 1,800 feet or more per minute. Similarly, only presses with a configuration such that a person's body cannot completely enter the bed area are approved for PSDI. (v) The hinged or movable sections of an interlocked press barrier guard shall not be used for manual feeding. 2. If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. Table O-6 - Minimum Dimensions for Straight Relieved Flanges1. The provisions of paragraph (h) of this section shall apply to rivet making. The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. 1. Pressing enter in the search box Appendix B to Subpart I of Part 1910Nonmandatory Compliance Guidelines for Hazard Assessment and Personal Protective Equipment Selection Subpart PHand and Portable Powered Tools and Other Hand-Held Equipment. (vi) Type of feeding (manual with hands in dies or with hands out of dies, semiautomatic, automatic, or other). Lubrication. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. 1910.213 Woodworking machinery requirements. 1910.427 Liveboating. (56) Turnover bar means a bar used in die setting to manually turn the crankshaft of the press. (B) The safety distance shall be checked for compliance with (h)(9)(v) of this section. (46) Press means a mechanically powered machine that shears, punches, forms or assembles metal or other material by means of cutting, shaping, or combination dies attached to slides. This requirement shall apply only to those clutch/brake air-valve controls manufactured and installed on or after August 31, 1971, but shall not apply to machines intended only for continuous, automatic feeding applications. The guard shall have openings no larger than one-half (12) inch. The guard shall effectively keep the operator's hand from coming in contact with the revolving knives. If they sound cracked (dead), they shall not be used. 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. (2) Couplings. The application need not be submitted on a Federal form. 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. (21) Die setter means an individual who places or removes dies in or from mechanical power presses, and who, as a part of his duties, makes the necessary adjustments to cause the tooling to function properly and safely. b. The maximum anticipated working pressures in any hydraulic system on a mechanical power press shall not exceed the safe working pressure rating of any component used in that system. (x) Foot operated tripping controls, if used, shall be protected so as to prevent operation from falling or moving objects, or from unintended operation by accidental stepping onto the foot control. Brake capacity shall be sufficient to stop the motion of the slide quickly and capable of holding the slide and its attachments at any point in its travel. They shall operate readily when pushed or pulled. Standard conditions shall be secured by the use of the following materials. The ground shall be provided through use of a separate ground wire and polarized plug and receptacle. 1910.402 Definitions. 1910.146 Permit-required confined spaces. (7) Environmental requirements. 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. (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. 2. (c) Safeguarding the point of operation -. Vertical and inclined belts (paragraphs (e) (3) and (4) of this section) if not more than two and one-half (2 12) inches wide and running at a speed of less than one thousand (1,000) feet per minute, and if free from metal lacings or fastenings may be guarded with a nip-point belt and pulley guard. (i) Standard conditions shall be secured by the use of the following materials. 1. Agree to terms and conditions established by OSHA in the grant of recognition on matters such as exchange of data, submission of accident reports, and assistance in studies for improving PSDI or the certification/validation process. 6. The renewal request will be processed in accordance with subsection I.B. 3. The validating laboratory, if a separate organization from the validation organization, shall assign technical responsibility for the validation of PSDI certification to a Technical Director. This prohibition is needed to increase the reliability of the presence sensing device in initiating a stroke only when the desired work motion has been completed. Its hood shall be so designed that it will automatically cover the lower portion of the blade, so that when the saw is returned to the back of the table the hood will rise on top of the fence, and when the saw is moved forward the hood will drop on top of and remain in contact with the table or material being cut. 9. Usually used for preforming, roll forging is often employed to reduce thickness and increase length of stock. (l) Belt shifters, clutches, shippers, poles, perches, and fasteners -. (7) Driving flange. (i) The pedal mechanism shall be protected to prevent unintended operation from falling or moving objects or by accidental stepping onto the pedal. 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. 1. When brake wear or other factors extend press stopping time beyond the limit permitted by the brake monitor, adjustment, repair, or maintenance shall be performed on the brake or other press system element that extends the stopping time. (2) Guard exposure angles. "Employers want to make sure their equipment is safe to operate," says McCullough. 1910.505Severability. Such mesh or perforated metal shall be not less than 0.037 inch (U.S. Gage No. 1910.218 Forging machines. 1910.103 Hydrogen. (v) The PSDI mode of operation shall be used only for normal production operations. 2. (xv) Selection of bar operation shall be by means capable of being supervised by the employer. The following Occupational Safety and Health Administration (OSHA) laws and regulations are most commonly applied to industrial machinery: OSHA 29 CFR 1910 General Industry Regulations OSHA 29 CFR 1910.211 Definitions OSHA 29 CFR 1910.212 General Requirements for Guarding All Machines OSHA 29 CFR 1910.213 Woodworking Machinery Requirements See paragraph (c) of 1910.215 for full description. The model is based on medical research into the forces needed to cause damage to . Where prong anchor or cupback bushing are used, this footnote does not apply. 1910.1053 Respirable crystalline silica. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. (iv) 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. Appendices to Subpart L of Part 1910Note flat belts two (2) inches or less in width which are free from metal lacings or fasteners. 2. (3) Work area. The cables shall not be more than 72 inches above the level on which the operator stands. (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. (iii) A label shall be affixed to the press as part of each installation certification/validation and the most recent recertification/revalidation. (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. (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. d. When one year has elapsed since the installation certification/validation or the last recertification/revalidation. 1910.1016 N-Nitrosodimethylamine. (ix) The control design shall preclude any movement of the slide caused by operation of power on, power off, or selector switches, or from checks for proper operations as required by paragraph (h)(6)(xiv) of this section. Revision of application. (ii) A pad with a nonslip contact area shall be firmly attached to the pedal. If, after review of the application, any additional information, and the inspection report, the applicant and any validating laboratory appear to have met the requirements for recognition, a written recommendation shall be submitted by the responsible OSHA personnel to the Assistant Secretary to approve the application with a supporting explanation. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 53 FR 8353, Mar. (7) All cracked saws shall be removed from service. Means must be provided to prevent tightener from falling, in case the belt breaks.