osha conveyor safety 1910

It is expected that the brake monitor adjustment normally could be evaluated on the basis of the effect on the safety system certification/validation documentation retained by the validation organization. (b) Guarding of abrasive wheel machinery -. All trip and emergency switches shall not be of the automatically resetting type, but shall require manual resetting. (2) Push stick means a narrow strip of wood or other soft material with a notch cut into one end and which is used to push short pieces of material through saws. (ii) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position. (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. Search & Navigation 1910.426 Mixed-gas diving. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. SOURCE: 39 FR 23502, June 27, 1974, unless otherwise noted. 3M Protecta Fall Protection AD120BC Rebel Self-Retracting Lifeline 1910.216 Mills and calenders in the rubber and plastics industries. Regulation Y (1) Antirepeat means the part of the clutch/brake control system designed to limit the press to a single stroke if the tripping means is held operated. 1910.121 [Reserved]. guide. (8) Surface feet per minute (s.f.p.m.) As an added precaution to the requirements in paragraph (h)(2)(iii), brake adjustment locking means should be secured. Inclined and vertical shafts, particularly inclined idler shafts, shall be securely held in position against endwise thrust. 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. 1910.254 Arc welding and cutting. All auxiliary equipment such as mill divider, support bars, spray pipes, feed conveyors, strip knives, etc., shall be located in such a manner as to avoid interference with access to and operation of safety devices. (xvi) The control system shall permit only a single stroke per initiation command. b. 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. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. (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.). The test specification and procedure shall be submitted to the validation organization for review and validation prior to the test. The safety tripping devices shall be located within reach of the operator and the bite. 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: Flat belts one (1) inch or less in width. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. 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 stroking selector generally includes positions for Off (Clutch Control), Inch, Single Stroke, and Continuous (when Continuous is furnished). (iii) The band shall be of sufficient width and its position kept so adjusted that at no time will the wheel protrude beyond the edge of the band a distance greater than that indicated in Figure O-29 and in Table O-2 or the wall thickness (W), whichever is smaller. (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. (c) The device shall be constructed so that a failure within the system does not prevent the normal stopping action from being applied to the press when required, but does prevent the initiation of a successive stroke until the failure is corrected. Dimensions of such flanges shall never be less than indicated. (7) Machines using part revolution clutches. The analysis reports should identify: (1) The basis for the analysis; (2) the hardware or software items analyzed; (3) conclusions; (4) safety factors; and (5) limit of the analysis. 1910.34 Coverage and definitions. (25) Face of slide means the bottom surface of the slide to which the punch or upper die is generally attached. (ii) Type 1 cutting-off wheels are to be mounted between properly relieved flanges which have matching bearing surfaces. b. 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. Final decision by Assistant Secretary - a. They shall be made of steel or other material with adequate strength and shall enclose the wheel sides upward from the back for one-third of the wheel thickness. (2) Belt shippers and shipper poles. 2. (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. A hearing will be granted to an objecting member of the public if evidence of failure to meet the requirements of this appendix is supplied to OSHA. (1) The upper hood shall completely enclose the upper portion of the blade down to a point that will include the end of the saw arbor. The OSHA catwalk width requirements are found in section 1910.28 (b) (5) (ii) (A). For the purpose of demonstrating compliance with the reaction time required by 1910.217(h), the tests shall use the following definitions and requirements: a. 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. 1910.306 Specific purpose equipment and installations. OSHA may revoke its recognition of a validation organization if its program either has failed to continue to satisfy the requirements of this appendix or its letter of recognition, has not been performing the validation functions required by the PSDI standard and appendix A, or has misrepresented itself in its applications. (xvii) Controls with internally stored programs (e.g., mechanical, electro-mechanical, or electronic) shall meet the requirements of paragraph (b)(13) of this section, and shall default to a predetermined safe condition in the event of any single failure within the system. (1) Each circular resaw shall be guarded by a hood or shield of metal above the saw. 4. The certification/validation process shall verify that the safety system complies with the OSHA safety requirements as follows: 1. (i) Wheels must be dry and free from sawdust when applying the ring test, otherwise the sound will be deadened. 3. PART 1910 - OCCUPATIONAL SAFETY AND HEALTH STANDARDS Source: 39 FR 23502, June 27, 1974, unless otherwise noted. Bearings. Any person or organization considering itself capable of conducting a PSDI-related third-party validation function may apply for OSHA recognition. Posts shall be not more than eight (8) feet apart; they are to be permanent and substantial, smooth, and free from protruding nails, bolts, and splinters. (3) For the Textile Industry, because of the presence of excessive deposits of lint, which constitute a serious fire hazard, the sides and face sections only of nip-point belt and pulley guards are required, provided the guard shall extend at least six (6) inches beyond the rim of the pulley on the in-running and off-running sides of the belt and at least two (2) inches away from the rim and face of the pulley in all other directions. Pulleys with cracks, or pieces broken out of rims, shall not be used. (B) Guards used as supplemental safeguarding shall conform to the design, construction and application requirements of paragraph (c)(2) of this section, and shall be interlocked with the press control to prevent press PSDI operation if the guard fails, is removed, or is out of position. If made of wood, the posts shall be two by four (2 4) inches or larger. (7) Die fastening. (4) Reconstruction and modification. (2) Foot operated devices. "Published Edition". 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. (i) Air valve and air pressure supply/control. The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. These guards shall cover at least the unused part of the periphery of the cutting head. Appendix D to Subpart L of Part 1910Availability of Publications Incorporated by Reference in Section 1910.156 Fire Brigades Die-setting shall not be done in the PSDI mode. (ii) Once the PSDI safety system has been certified/validated, adjustment of the brake monitor shall not be done without prior approval of the validation organization for both the brake monitor adjustment and the corresponding adjustment of the safety distance. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 53 FR 8353, Mar. The failure of a critical component shall necessitate the removal of the safety system from service until it is recertified and revalidated, except recertification by the employer without revalidation is permitted when a non-critical component or subsystem is replaced by one of the same manufacture and design as the original, or determined by the third-party validation organization to be equivalent by similarity analysis, as set forth in appendix A. This is an automated process for 4. (4) Where practicable, hand and footpower guillotine veneer cutters shall be provided with rods or plates or other satisfactory means, so arranged on the feeding side that the hands cannot reach the cutting edge of the knife while feeding or holding the stock in place. (iii) The intensity of illumination conforms to the requirements of ANSI A11.1-1965 (R-1970), which is incorporated by reference as specified in 1910.6. (32) Guard means a barrier that prevents entry of the operator's hands or fingers into the point of operation. The validation organization shall assign overall responsibility for the validation of PSDI certification to an Administrative Director. Acceptable design features shall demonstrate, in the following order or precedence, that: (1) No single failure points may cause injury; or. This distance shall apply to the actual working level, whether it be at the general floor level, in a pit, or on a platform. 1910.38 Emergency action plans. 1. (1) Veneer slicer knives shall be guarded to prevent accidental contact with knife edge, at both front and rear. The requirement in paragraph (h)(3)(i)(C) is intended to prevent degradation in stoping speed from higher air pressure. (e) Inspection, maintenance, and modification of presses -. This clearance shall not exceed one-sixteenth inch. (b) Each two hand trip shall meet the construction requirements of paragraph (b)(6) of this section. [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 9240, Mar. (9) Push sticks or push blocks shall be provided at the work place in the several sizes and types suitable for the work to be done. (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. It shall include instruction relative to the following items for presses used in the PSDI mode. 1910.28 Duty to have fall protection and falling object protection. Every saw shall be provided with a guard of not less than one-eighth inch sheet metal positioned to stop flying sparks. (vi) Oil swabs, or scale removers, or other devices to remove scale shall be provided. 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. If they sound cracked (dead), they shall not be used. This table shows the distances that guards shall be positioned from the danger line in accordance with the required openings. 1910.1027 Cadmium. The unused run of the sanding belt shall be guarded against accidental contact. (e) Cylinders, cup, or segmental wheels that are mounted in chucks. OSHA Basics: OSHA's Parts 1910 and 1926 ; OSHA Basics: How OSHA Standards are Named and Numbered; OSHA Basics: Incorporation by Reference (IBR) OSHA Basics: The OSHA Field Operations Manual; OSHA Basics: OSHA's Small Business Handbook ; OSHA Basics: The General Duty Clause-5. 1910.105 Nitrous oxide. Momentary operation of the stop control shall immediately deactivate the clutch and apply the brake. Engine rooms. 1910.509Incorporation by reference. Pulleys intended to operate at rim speed in excess of manufacturers normal recommendations shall be specially designed and carefully balanced for the speed at which they are to operate. A controlled clearance between the wheel hole and the machine spindle (or wheel sleeves or adaptors) is essential to avoid excessive pressure from mounting and spindle expansion. (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. However, the guarding of these gears is highly recommended. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. This requirement pertains only to those single-stroke, two-hand controls manufactured and installed on or after August 31, 1971. The penetration depth factor shall be determined from Graph h-1 using the minimum object sensitivity size. (iii) If two-hand trip systems are used on multiple operator presses, each operator shall have a separate set of controls. The mounting features shall conform with all requirements of this section. All flanges shall be maintained in good condition. (i) Presses operated in the PSDI mode shall be equipped with a brake monitor that meets the requirements of paragraphs (b)(13) and (b)(14) of this section. Public review and comment period. With an enclosure of sheet, perforated, or expanded metal, or woven wire; With guard rails placed not less than fifteen (15) inches nor more than twenty (20) inches from rim. (3) Guarding vertical and inclined shafting. 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. 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. (ii) All major assemblies and fittings which can loosen and fall shall be properly secured in place. 2. The certifications are made to the validation organization. 3. (v) A covered container shall be provided to store dross skimmings. Limitation: Hole dimension (H) should not be greater than two-thirds of wheel diameter dimension (D) for precision, cylindrical, centerless, or surface grinding applications. Openings for oiling. The top rods shall be not more than 72 inches above the level on which the operator stands. Compliance with 1910.217(h)(7). (2) Each swing cutoff saw shall be provided with an effective device to return the saw automatically to the back of the table when released at any point of its travel. This exposure shall begin at a point not less than 15 below the horizontal plane of the wheel spindle. (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. (i) 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. (ii) The requirement of paragraph (c)(1)(i) of this section shall not apply when the point of operation opening is one-fourth inch or less. A validation organization may not terminate its installation certification and recertification validation functions earlier than either one year from the date of the written notice, or the date on which another recognized validation organization is able to perform the validation of installation certification and recertification. 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. 1910.177 Servicing multi-piece and single piece rim wheels. For hole sizes smaller than shown in this table, use table 12. 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. (10) Snagging means grinding which removes relatively large amounts of material without regard to close tolerances or surface finish requirements. 1. The guarding device shall be in conformity with any appropriate standards therefor, or, in the absence of applicable specific standards, shall be so designed and constructed as to prevent the operator from having any part of his body in the danger zone during the operating cycle. Exceptions are set forth in the remaining subdivisions of this subparagraph. 1910.122 Table of contents. (ii) Where suspended counterweights are used and not guarded by location, they shall be so encased as to prevent accident. 1910.1200 Hazard communication. (2) The report shall include the following information: (i) Employer's name, address and location of the workplace (establishment). Friction brakes provided for stopping or holding a slide movement shall be inherently self-engaging by requiring power or force from an external source to cause disengagement. 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. (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. The third-party validation organization shall have legal authority to perform certification/validation activities. 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. Appendix to Subpart E of Part 1910Exit Routes, Emergency Action Plans, and Fire Prevention Plans, Subpart FPowered Platforms, Manlifts, and Vehicle-Mounted Work Platforms. Gears shall be guarded in accordance with one of the following methods: Hand-operated gears. 5. "They . 1910.305 Wiring methods, components, and equipment for general use. It should be noted that this does not require redundancy for press components such as structural elements, clutch/brake mechanisms, plates, etc., for which adequate reliability may be achieved by proper design, maintenance, and inspection. 1910.18 Changes in established Federal standards. (A) A check shall be performed using the test rod according to the presence sensing device manufacturer's instructions to determine that the presence sensing device used for PSDI is operational. Means must be provided to prevent tightener from falling, in case the belt breaks. OSHA may inspect the facilities of the third-party validation organization and any validating laboratory, and while there shall review any additional documentation underlying the application. Safety guards of the types described in subparagraphs (3) and (4) of this paragraph, where the operator stands in front of the opening, shall be constructed so that the peripheral protecting member can be adjusted to the constantly decreasing diameter of the wheel. (a) Attachments shall be connected to and operated only by the press slide or upper die. Unless a 6-foot 6-inch headroom clearance is provided, employees shall not be permitted to pass under conveyors. (h) Keys, setscrews, and other projections. Prior to conducting the brake system test required by paragraph (h)(2)(ii), a visual check shall be made of the springs. (1) The feed rolls of roll type glue spreaders shall be guarded by a semicylindrical guard. 1910.112-1910.113 [Reserved] 1910.119 Process safety management of highly hazardous chemicals. OSHA Requirements: Machine Guarding - Grainger KnowHow 1910.23 Ladders. 1910.29 Fall protection systems and falling object protectioncriteria and practices. (i) Guardrail shall be forty-two (42) inches in height, with midrail between top rail and floor. 1910.213 Woodworking machinery requirements. Guarding Floor and Wall Openings and Holes OSHA Standard 1910.23 2 Overview This is a condensation of Standard 1910.23 of the Occupational Safety and Health Act. The employer shall insure by adequate supervision that correct operating procedures are being followed. (4) Vertical belts. (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. If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. (iii) Full revolution mechanical power presses shall not be used in the PSDI mode of operation. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984]. (2) Each circular resaw (other than self-feed saws with a roller or wheel at back of the saw) shall be provided with a spreader fastened securely behind the saw. OSHA General Industry Machinery and Machine Guarding 1910 - ISHN is available with paragraph structure matching the official CFR If a stairway accesses the catwalk, the width requirements depend on the width of the stairway that serves it. 3. The triprods shall be accessible and shall operate readily whether the rods are pushed or pulled. The test specifications and procedures shall be made available upon request to the validation organization. General. 1910.112-1910.113 [Reserved] (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. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. If belt is eight (8) inches or more in width. 39 FR 23502, June 27, 1974, unless otherwise noted. (See paragraph (d)(6) of this section.). Filing office location. Lubrication of bearings is considered the single greatest deterrent to their failure. Diamond and reinforced wheels are included. Guarding vertical and inclined shafting. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. 1. Overhead-rope and chain-drive guard construction shall conform to the rules for overhead-belt guard. Guarding Floors, Stairs, & Other Openings - Safety Checklist Program 1910.1029 Coke oven emissions. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. The interior surface of all guards, by which is meant the surface of the guard with which a belt will come in contact, shall be smooth and free from all projections of any character, except where construction demands it; protruding shallow roundhead rivets may be used. On offhand grinding machines, work rests shall be used to support the work. 1910.97 Nonionizing radiation. The hazard created by a guide post (when it is located in the immediate vicinity of the operator) when separated from its bushing by more than one-fourth inch shall be considered as a point of operation hazard and be protected in accordance with paragraph (c) of this section. Such flanges shall be at least one-fourth the wheel diameter. The manufacturer shall certify and the OSHA-recognized third-party validation organization shall validate that: (a) The design of components, subsystems, software and assemblies meets OSHA performance requirements and are ready for the intended use; and. 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.

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