Dimensions of such adaptor flanges shall never be less than indicated. 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. 1910.112-1910.113 [Reserved] 1910.119 Process safety management of highly hazardous chemicals. (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. (ii) At least annually thereafter, the safety system on a mechanical power press used in the PSDI mode shall be recertified by the employer and revalidated by an OSHA-recognized third-party validation organization to meet all applicable requirements of paragraphs (a) through (h) and appendix A of this section. 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. Wood guards may be used in the woodworking and chemical industries, in industries where the presence of fumes or where manufacturing conditions would cause the rapid deterioration of metal guards; also in construction work and in locations outdoors where extreme cold or extreme heat make metal guards and railings undesirable. The objective of the certification/validation program is to demonstrate and document that the system satisfies specification and operational requirements for safe operations. 2. (3) Each tenoning machine shall have all cutting heads, and saws if used, covered by metal guards. 1910.1002 Coal tar pitch volatiles; interpretation of term. 3. (iv) Type of safeguard(s) being used (two hand control, two hand trip, pullouts, sweeps, or other). 1. 1910.105 Nitrous oxide. Certain exceptions are forging hammers made with frame mounted on the anvil; e.g., the smaller, single-frame hammers are usually made with the anvil and frame in one piece. (b) Abrasive discs (inserted nut, inserted washer, and projecting stud type). It would not be necessary to repeat the tests on individual safety systems of the same manufacture or design. The manufacturer shall submit to the validation organization the technical analysis such as Hazard Analysis, Failure Mode and Effect Analysis, Stress Analysis, Component and Material Selection Analysis, Fluid Compatability, and/or other analyses which may be necessary to demonstrate, compliance with the following requirements: Sections 1910.217(h)(8) (i) and (ii); (h)(2) (ii) and (iii); (h)(3)(i) (A) and (C), and (ii); (h)(5) (i), (ii) and (iii); (h)(6) (i), (iii), (iv), (vi), (vii), (viii), (ix), (x), (xi), (xiii), (xiv), (xv), (xvi), and (xvii); (h)(7) (i) and (ii); (h)(9) (iv), (v), (viii), (ix) and (x); (h)(10) (i) and (ii). (35) Interlocked press barrier guard means a barrier attached to the press frame and interlocked so that the press stroke cannot be started normally unless the guard itself, or its hinged or movable sections, enclose the point of operation. 8. In 2015 it again made list, coming in at number ten. Table O-7 - Minimum Dimensions for Straight Flanges - for Mechanical Grinders 12,500 S.F.P.M. Employers and manufacturers are encouraged to recommend other approaches if there is a potential for improving safety and reducing cost. (C) Maintain a certification record of each inspection, and each maintenance and repair task performed, under the general component of the inspection program that includes the date of the inspection, maintenance, or repair work, the signature of the person who performed the inspection, maintenance, or repair work, and the serial number, or other identifier, of the power press inspected, maintained, and repaired. (11) Safety system certification/validation. Inspection shall be made of belts, lacings, and fasteners and such equipment kept in good repair. Programmable controllers which meet the requirements for controls with internally stored programs stated above shall be permitted only if all logic elements affecting the safety system and point of operation safety are internally stored and protected in such a manner that they cannot be altered or manipulated by the user to an unsafe condition. 1910.7 Definition and requirements for a nationally recognized testing laboratory. (d) Conveyors passing over areas that are occupied or used by employees shall be so guarded as to prevent the material transported from falling and causing injury to employees. The visual check shall include a determination that the spring housing or rod does not show damage sufficient to degrade the structural integrity of the unit, and the spring does not show any tendency to interleave. 1910.21 Scope and definitions. (7) All cracked saws shall be removed from service. 1910.308 Special systems. (i) Tight and loose pulleys on all new installations made on or after August 31, 1971, shall be equipped with a permanent belt shifter provided with mechanical means to prevent belt from creeping from loose to tight pulley. Regulation 1910.178(g)(2) also mandates "adequate ventilation" in battery charging areas. Lubrication of bearings is considered the single greatest deterrent to their failure. 3 Slenderness ratio formula for short columns is L/d = 11, where L = length of timber in inches and d = least dimension in inches; this ratio should not exceed 11. Spacers shall be equal in diameter to the mounting flanges and have equal bearing surfaces. The application shall be filed with: PSDI Certification/Validation Program, Office of Variance Determination, Occupational Safety and Health Administration, U.S. Department of Labor, Room N3653, 200 Constitution Avenue, NW., Washington, DC 20210. 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. 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. Full stop or No movement of the slide or ram means when the crankshaft rotation has slowed to two or less revolutions per minute, just before stopping completely. 1910.120 Hazardous waste operations and emergency response. (ii) flat belts two (2) inches or less in width which are free from metal lacings or fasteners, (iii) round belts one-half (12) inch or less in diameter; and. Acceptance and field inspection. (h) Keys, setscrews, and other projections. It shall be readily accessible and operate whether pushed or pulled. Compliance with 1910.217(h)(5)(iii) and (h)(9)(v). The test report shall include the following: a. 1910.401 Scope and application. 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. (2) Brakes. In addition when unthreaded hole wheels are specified the inside flat, K dimension, shall be large enough to accommodate a suitable flange. 39 FR 23502, June 27, 1974, unless otherwise noted. 1910.39 Fire prevention plans. Employees are also encouraged to pay close attention to work pieces that have slots or other surface profiles that may increase the risk of entanglement. A recognized validation organization may apply to OSHA for an expansion of its current recognition to cover other categories of PSDI certification/validation in addition to those included in the current recognition. (4) Flywheels and bearings. (ii) Scheduling and recording the inspection of guards and point of operation protection devices at frequent and regular intervals. A. Certification/validation of hardware design below the system level should be accomplished by test and/or analysis. (7) Environmental requirements. When frequent oiling must be done, openings with hinged or sliding self-closing covers shall be provided. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. Flexible steel band brakes do not possess a long-term reliability against structural failure as compared to other types of brakes, and therefore are not acceptable on presses used in the PSDI mode of operation. ), concerning certification or validation. The PSDI set-up/reset means required by paragraph (h)(6)(iv) may be initiated by the actuation of a special momentary pushbutton or by the actuation of a special momentary pushbutton and the initiation of a first stroke with two hand controls. If the cone is located less than 3 feet from the floor or working platform, the cone pulley and belt shall be guarded to a height of 3 feet regardless of whether the belt is endless or laced with rawhide. 1910.166-1910.168 [Reserved] (1) Guards. 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. (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. (E) The severe consequences that can result if he or she attempts to circumvent or by-pass any of the safeguard or operating functions of the PSDI system. 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. 1910.420 Safe practices manual. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. It is financially capable to conduct the work; b. 1910.152 [Reserved]. to 16,5 S.F.P.M.1. (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. Press brakes, hydraulic and pneumatic power presses, bulldozers, hot bending and hot metal presses, forging presses and hammers, riveting machines and similar types of fastener applicators are excluded from the requirements of this section. (vi) Oil swabs, or scale removers, or other devices to remove scale shall be provided. Bearings shall be kept in alignment and properly adjusted. We recommend you directly contact the agency responsible for the content in question. (b) 12-inch diameter wheel, 1,000 revolutions per minute. (i) The pedal mechanism shall be protected to prevent unintended operation from falling or moving objects or by accidental stepping onto the pedal. 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. (b) If center to center distance between pulleys is ten (10) feet or more. (iii) The pedal return spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, or designed to prevent interleaving of spring coils in event of breakage. Peripheral grinding wheel having a diameter, thickness and hole. The label shall indicate the press serial number, the minimum safety distance (Ds) required by paragraph (h)(9)(v) of this section, the fulfillment of design certification/validation, the employer's signed certification, the identification of the OSHA-recognized third-party validation organization, its signed validation, and the date the certification/validation and recertification/revalidation are issued. (i) Suspended counterbalanced tighteners and all parts thereof shall be of substantial construction and securely fastened; the bearings shall be securely capped. will also bring you to search results. b. (xiv) The clutch/brake control shall automatically deactivate in event of failure of the counterbalance(s) air supply. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. All contact surfaces of wheels, blotters and flanges shall be flat and free of foreign matter. (1) The cutting heads of each wood shaper, hand-fed panel raiser, or other similar machine not automatically fed, shall be enclosed with a cage or adjustable guard so designed as to keep the operator's hand away from the cutting edge. When flywheel extends into pit or is within 12 inches of floor, a standard toeboard shall also be provided; (iii) When the upper rim of flywheel protrudes through a working floor, it shall be entirely enclosed or surrounded by a guardrail and toeboard. 14, 1988; 54 FR 24333, June 7, 1989; 61 FR 9240, Mar. It shall automatically adjust itself to the thickness of and remain in contact with the material being cut. "Safety Standard for Conveyors and Related Equipment" was the ANSI standard in effect at the time the 1910 Standards were promulgated. 1910.181 Derricks. (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. (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. If, after review of all documentation, tests, analyses, manufacturer's certifications, and any additional tests which the third-party validation organization believes are necessary, the third-party validation organization determines that the PSDI safety system is in full compliance with the applicable requirements of 29 CFR 1910.217(a) through (h) and this appendix A, it shall validate the manufacturer's certification that it so meets the stated requirements. 1910.1045 Acrylonitrile. Sec. Such stopping distances shall be subject to engineering determination. tensile strength 20,000 p.s.i.) (v) The route followed by the oiler is protected in such manner as to prevent accident. a. 1910.146 Permit-required confined spaces. 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. Therefore, the wall dimension W takes precedence over the diameter of the recess as an essential intermediate dimension to describe this shape type. 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. Table O-11 - Strength and Dimensions for Wood Ram Props. Where explosives, explosive dusts, flammable vapors or flammable liquids exist, the hazard of static sparks from shafting shall be carefully considered. (31) Foot pedal means the foot operated lever designed to operate the mechanical linkage that trips a full revolution clutch. 1910.1047 Ethylene oxide. (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. If such guard is constructed of sheet metal, the material used shall be not less than 116 inch in thickness, and if cast iron is used, it shall be not less than three-sixteenths inch in thickness. (b) Each two hand trip shall meet the construction requirements of paragraph (b)(6) of this section. flat belts two (2) inches or less in width which are free from metal lacings or fasteners. 1910.98 Effective dates. The guidelines apply to certification/validation activity from design evaluation through the completion of the installation test and the annual recertification/revalidation tests.
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