site when drafting amendatory language for Federal regulations: (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. a. Where a disk is used, the keys or other dangerous projections not covered by disk shall be cut off or covered. 1910.1002 Coal tar pitch volatiles; interpretation of term. FAR). (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. 1910.1048 Formaldehyde. 1910.402 Definitions. Energy delivered during each stroke may be varied. 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). 1910.180 Crawler locomotive and truck cranes. 1910.7 Definition and requirements for a nationally recognized testing laboratory. The Type 27 A Wheel is mounted between flat non-relieved flanges of equal bearing surfaces. means the distance in feet any one abrasive grain on the peripheral surface of a grinding wheel travels in 1 minute. Shall be free of operational control and influence of manufacturers, suppliers, vendors, employers, or employee representatives that would impair its integrity of performance; and. (i) Die setting on presses used in the PSDI mode shall be performed in accordance with paragraphs (d) and (h) of this section. 1910.39 Fire prevention plans. (ii) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position. Pulley speeds. SOURCE: 39 FR 23502, June 27, 1974, unless otherwise noted. (d) Fluid compatability with other materials, (d) Material stress tolerances and limits, (e) Stability to long term power fluctuations, (g) Repeatability of measured parameter without inadvertent initiation of a press stroke, (h) Operational life of components in cycles, hours, or both, (1) Specific operational wave lengths; and. (c) The safety distance (Dm) between the two hand trip and the point of operation shall be greater than the distance determined by the following formula: Dm = minimum safety distance (inches); 63 inches/second = hand speed constant; Tm = the maximum time the press takes for the die closure after it has been tripped (seconds). 6. (32) Guard means a barrier that prevents entry of the operator's hands or fingers into the point of operation. 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 employer shall insure by adequate supervision that correct operating procedures are being followed. 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. Employers and manufacturers are encouraged to recommend other approaches if there is a potential for improving safety and reducing cost. Tongs shall be of sufficient length to clear the body of the worker in case of kickback, and shall not have sharp handle ends.
California Code of Regulations, Title 8, Section 3999. Conveyors. After receipt of a notification of preliminary disapproval, the applicant may submit a revised application for further review by OSHA pursuant to subsection I.B. (14) Holdout or restraint device means a mechanism, including attachments for operator's hands, that when anchored and adjusted prevent the operator's hands from entering the point of operation. The employer shall establish and follow an inspection program having a general component and a directed component. Table O-6 - Minimum Dimensions for Straight Relieved Flanges1. (i) Expanded metal, sheet or perforated metal, and wire mesh shall be securely fastened to frame. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. (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. (16) Sweep device means a single or double arm (rod) attached to the upper die or slide of the press and designed to move the operator's hands to a safe position as the dies close, if the operator's hands are inadvertently within the point of operation. (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. If cracked, there will be a dead sound and not a clear ring.. When required by paragraph (c)(5) of this section, the brake monitor shall meet the following requirements: (i) Be so constructed as to automatically prevent the activation of a successive stroke if the stopping time or braking distance deteriorates to a point where the safety distance being utilized does not meet the requirements set forth in paragraph (c)(3)(iii)(e) or (c)(3)(vii)(c) of this section. e-CFR 1910.219 (a) General requirements. Brakes which are the adjustable type shall be adjusted properly before the test. We recommend you directly contact the agency responsible for the content in question. Preliminary approval. Subpart EExit Routes and Emergency Planning, 1910.33 Table of contents. The following terms and conditions shall be part of every recognition: a. Inch is a function used by the die setter for setup of dies and tooling, but is not intended for use during production operations by the operator. These guards shall effectively prevent the hands or fingers of the operator from coming in contact with the nip points. 3. Workplace Violence. 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 . (18) Die means the tooling used in a press for cutting or forming material. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. (i) Every point of operation guard shall meet the following design, construction, application, and adjustment requirements: (a) It shall prevent entry of hands or fingers into the point of operation by reaching through, over, under or around the guard; (b) It shall conform to the maximum permissible openings of Table O-10; (c) It shall, in itself, create no pinch point between the guard and moving machine parts; (d) It shall utilize fasteners not readily removable by operator, so as to minimize the possibility of misuse or removal of essential parts; (e) It shall facilitate its inspection, and. 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. The ground shall be provided through use of a separate ground wire and polarized plug and receptacle. Where guard is exposed to contact with moving equipment, additional strength may be necessary. Materials should be placed on the conveyor so that they will ride safely. When flywheel extends into pit or is within 12 inches of floor, a standard toeboard shall also be provided; When the upper rim of flywheel protrudes through a working floor, it shall be entirely enclosed or surrounded by a guardrail and toeboard. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. The safety trip control shall be one of the following types or a combination thereof: (i) Pressure-sensitive body bars. Conveyor systems shall be equipped with an audible warning signal to be sounded immediately before starting up the conveyor. 1910.120 Hazardous waste operations and emergency response. Acceptance and field inspection. 4. (2) Each radial saw used for ripping shall be provided with nonkickback fingers or dogs located on both sides of the saw so as to oppose the thrust or tendency of the saw to pick up the material or to throw it back toward the operator. (c) Safeguarding the point of operation -. 1910.1051 1,3-Butadiene. (1) Hazards to personnel associated with broken or falling machine components. (See Figures O-6 and O-7 and paragraph (b)(9) of this section. Sections 1910.217 and 1910.219 also issued under 5 U.S.C. (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. Showing adjustable tongue giving required angular protection for all sizes of wheel used. (5) Power-transmission apparatus located in basements. (37) Guide post means the pin attached to the upper or lower die shoe operating within the bushing on the opposing die shoe, to maintain the alignment of the upper and lower dies. Pulleys with cracks, or pieces broken out of rims, shall not be used. Sec. The control system shall require that each sensing field be interrupted the selected number of times prior to initiating a stroke. No one should ever climb over or crawl under a conveyor and NEVER ride on or otherwise use a conveyor for transportation. (6) Each operating treadle shall be protected against unexpected or accidental tripping. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. If they sound cracked (dead), they shall not be used. (iii) Means shall be provided for disconnecting the power to the machine and for locking out or rendering cycling controls inoperable. It is necessary to maintain clearance between the wheel side and the guard. Page 1 of 4 | Conveyor Hazards Safety Factsheet: Hazards of Conveyors Conveyors are used to transport materials . Refer to OSHA 1910.132 (Personal Prot. 1910.166-1910.168 [Reserved] (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. (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. (5) Each wood jointer with vertical head shall have either an exhaust hood or other guard so arranged as to enclose completely the revolving head, except for a slot of such width as may be necessary and convenient for the application of the material to be jointed. The current OSHA standard for safe distance as a function of opening size is set forth in Table O-10 of OSHA 29 CFR 1910.217 - Mechanical Power Presses. (2) At the rear ends of frames over which feed conveyors run, sprockets and chains shall be guarded at the sides by plates projecting beyond the periphery of sprockets and the ends of lugs. (v) For cutting-off wheels larger than 16 inches diameter and where speed does not exceed 14,200 surface feet per minute, safety guards as specified in Figures O-27 and O-28, and in Table O-1 shall be used. Reaction time means the time, in seconds, it takes the signal, required to activate/deactivate the system, to travel through the system, measured from the time of signal initiation to the time the function being measured is completed. (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. (v) An indicator visible to the operator and readily seen by the employer shall be provided which shall clearly indicate that the system is set-up for cycling in the PSDI mode. The intent of paragraph (h)(9)(iii) is to prohibit use of mirrors to bend a single light curtain sensing field around corners to cover more than one side of a press. (vi) Oil swabs, or scale removers, or other devices to remove scale shall be provided. (9) All belts, pulleys, gears, shafts, and moving parts shall be guarded in accordance with the specific requirements of 1910.219. (3) Limit chains or other equally effective devices shall be provided to prevent the saw from swinging beyond the front or back edges of the table, or beyond a forward position where the gullets of the lowest saw teeth will rise above the table top. (10) Bolt-headers mean the same as an upsetter or forging machine except that the diameter of stock fed into the machine is much smaller, i.e., commonly three-fourths inch or less. (1) Type 1 straight wheels means wheels having diameter, thickness, and hole size dimensions, and they should be used only on the periphery. 1910.3 Petitions for the issuance, amendment, or repeal of a standard. Blotters need not be used with the following types of wheels: (ii) Abrasive discs (inserted nut, inserted washer, and projecting-stud type). (2) Foot operated devices. (i) It shall be the responsibility of the employer to provide and insure the usage of point of operation guards or properly applied and adjusted point of operation devices on every operation performed on a mechanical power press. (7) Machines using part revolution clutches. 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. (A) Presence sensing devices used as supplemental safeguarding shall not initiate a press stroke, and shall conform to the requirements of paragraph (c)(3)(iii) and other applicable provisions of this section, except that the safety distance shall comply with paragraph (h)(9)(v) of this section. 1 Note: Must be large enough to extend beyond the bushing. 1910.95 Occupational noise exposure. (i) Standard conditions shall be secured by the use of the following materials. (ii) Type 27 and Type 28 wheels, because of their shape and usage, require specially designed adaptors. (OSHA 3170-02R, 2007) Title: Microsoft Word - FS Conveyors2.doc Author: rudnick Created Date: 11/18/2011 5:41:31 PM . 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. (4) Bushing. If the belt is of the endless type or laced with rawhide laces, and a belt shifter is not desired, the belt will be considered guarded if the nip point of the belt and pulley is protected by a nip point guard located in front of the cone extending at least to the top of the largest step of the cone, and formed to show the contour of the cone in order to give the nip point of the belt and pulley the maximum protection. Both types are reinforced, organic bonded wheels having offset hubs which permit side and peripheral grinding operations without interference with the mounting. All measurements on mills and calenders shall be taken with the rolls running empty at maximum operating speed. All pressure vessels used in conjunction with power presses shall conform to the American Society of Mechanical Engineers Code for Pressure Vessels, 1968 Edition, which is incorporated by reference as specified in 1910.6. Sprockets and chains. A die shoe functions primarily as a base for the complete die assembly, and, when used, is bolted or clamped to the bolster plate or the face of slide. No changes found for this content after 1/03/2017. Ts = Longest press stopping time, in seconds, computed by taking averages of multiple measurements at each of three positions (45 degrees, 60 degrees, and 90 degrees) of crankshaft angular position; the longest of the three averages is the stopping time to use. The application, supporting documents, staff recommendation, statement of applicant's reasons, and any comments received, will be available for public inspection in the OSHA Docket Office. A recognized validation organization may change a test method of the PSDI safety system certification/validation program by notifying the Assistant Secretary of the change, certifying that the revised method will be at least as effective as the prior method, and providing the supporting data upon which its conclusions are based. 1910.1096 Ionizing radiation. Grinding machines shall be equipped with flanges in accordance with paragraph (c) of this section. (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. Substantial modifications would require testing as a new safety system, as deemed necessary by the validation organization. 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. The midrail may be one by four (1 4) inches or more. 1910.103 Hydrogen. 1910.241 Definitions. This distance shall apply to the actual working level, whether it be at the general floor level, in a pit, or on a platform. 1910.1043 Cotton dust. OSHA regulates conveyors specifically in its construction rule at 29 CFR 1926.555, and the general use of such equipment is regulated under general industry and contruction rules for lockout/tagout, machine guarding, signs, signals, and barricades, and under the General Duty Clause. If the conveyor runs at head height or carries material hung from hooks, workers in the area should remain alert to possible danger and measures should be taken to prevent workers from being accidentally struck by moving material. (i) Both flanges, of any type, between which a wheel is mounted, shall be of the same diameter and have equal bearing surface. All mechanical power transmission apparatus located in basements, towers, and rooms used exclusively for power transmission equipment shall be guarded in accordance with this section, except that the requirements for safeguarding belts, pulleys, and shafting need not be complied with when the following requirements are met: 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. 1910.5 Applicability of standards. 1910.67 Vehicle-mounted elevating and rotating work platforms. (c) The control system shall incorporate an antirepeat feature. The adjustment shall not be made with the wheel in motion. The upper rail shall be two by four (2 4) inches, or two one by four (1 4) strips, one at the top and one at the side of posts. 1910.179 Overhead and gantry cranes. 1910.422 Procedures during dive. (14) Brake system monitoring. 1. 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. Minimum requirements. Organization and Purpose 7. (1) Mills. Comments or questions about document content can not be answered by OFR staff. 1910.107 Spray finishing using flammable and combustible materials. 1910.303 General. and 2. for the combined position. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. The validation organization or the validating laboratory shall own a registered certification/validation mark or logo. 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 recognition of any validation organization will be evidenced by a letter of recognition from OSHA. 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. Tp = Longest presence sensing device response time, in seconds. (3) Bearings shall be kept free from lost motion and shall be well lubricated. 1. 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. In addition, General Industry applications must adhere to OSHA regulations for Ladder Safety 1910.23 (if applicable) and Walking-Working Surfaces 1910.28. The most recent records shall be made available to OSHA upon request. (ii) If the single-stroke mechanism is dependent upon spring action, the spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, and designed to prevent interleaving of the spring coils in event of breakage. Belt shippers and shipper poles. 1. (ix) A scale guard of substantial construction shall be provided at the back of every press, so arranged as to stop flying scale. Industrial Conveyor Belts & Hose; Industrial/MRO/Safety; Machine & Automation Solutions; . 1910.105 Nitrous oxide. 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. 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. (4) Work rests. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. 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. (4) Surfacers or planers used in thicknessing multiple pieces of material simultaneously shall be provided with sectional infeed rolls having sufficient yield in the construction of the sections to provide feeding contact pressure on the stock, over the permissible range of variation in stock thickness specified or for which the machine is designed. 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. 3. 2. Similarly, only presses with a configuration such that a person's body cannot completely enter the bed area are approved for PSDI. (65) Validation or validate means for PSDI safety systems that an OSHA recognized third-party validation organization: (i) For design certification/validation has reviewed the manufacturer's certification that the PSDI safety system meets the requirements of 1910.217 (a) through (h) and appendix A and the underlying tests and analyses performed by the manufacturer, 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; and. 6. (iii) Air counterbalance cylinders shall incorporate means to retain the piston and rod in case of breakage or loosening. Preliminary decision by Assistant Secretary. (C) A check shall be made to determine that all supplemental safeguarding is in place. 1910.160 Fixed extinguishing systems, general. Side grinding wheel having a diameter, thickness and hole with one side straight or flat and the opposite side recessed. 4. 1910.1044 1,2-dibromo-3-chloropropane. 1910.157 Portable fire extinguishers. The diameter of circular shaper guards shall be not less than the greatest diameter of the cutter. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. (6) Multiple wheel mounting. (iii) By a band guard covering the face of gear and having flanges extended inward beyond the root of the teeth on the exposed side or sides.
3M Protecta Fall Protection AD120BC Rebel Self-Retracting Lifeline Recording of inspections shall be in the form of a certification record which includes the date the inspection was performed, the signature of the person who performed the inspection and the serial number, or other identifier, of the equipment inspected. It shall be the responsibility of the employer to maintain all forge shop equipment in a condition which will insure continued safe operation. Conveyors are a wonderful invention and conveyor safety is important. Types of Tests Acceptable for Certification/Validation. (6) Circular saw fences shall be so constructed that they can be firmly secured to the table or table assembly without changing their alignment with the saw. (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. tensile strength 20,000 p.s.i.) formatting.
eCFR :: 29 CFR Part 1910 Subpart O -- Machinery and Machine Guarding All drip cups and pans shall be securely fastened. B. Analytical methods may be used in lieu of, in combination with, or in support of tests to satisfy specification requirements. Unused keyways shall be filled up or covered. (4) This section covers the principal features with which power transmission safeguards shall comply. (b) The device may not be used as a tripping means to initiate slide motion, except when used in total conformance with paragraph (h) of this section. 1910.2 Definitions. (2) Cranks and connecting rods. (vi) The control system shall incorporate a timer to deactivate PSDI when the press does not stroke within the period of time set by the timer. The guard shall be constructed of heavy material, preferably metal, and the bottom of the guard shall come down to within three-eighths inch of the plane formed by the bottom or working surfaces of the feed rolls. (iii) Where the upper and lower runs of horizontal belts are so located that passage of persons between them would be possible, the passage shall be either: (a) Completely barred by a guardrail or other barrier in accordance with paragraphs (m) and (o) of this section; or.
OSHA Safety Training PowerPoints - EHS Safety News America Examples: board hammers and air-lift hammers. (8) Die handling. If it so determines, it shall validate the employer's certification that the PSDI safety system is in full conformance with all requirements of 29 CFR 1910.217(a) through (h) and this appendix A. (6) Each operating treadle shall be covered by an inverted U-shaped metal guard, fastened to the floor, and of adequate size to prevent accidental tripping. When frequent oiling must be done, openings with hinged or sliding self-closing covers shall be provided. Shall have legal authority to perform the validation of certification; 2. In the second stage, the OSHA-recognized third-party validation organization validates that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the manufacturer's certification by reviewing the manufacturer's design and test data and performing any additional reviews required by this standard or which it believes appropriate. Title 29 was last amended 2/24/2023. Allow OSHA to conduct unscheduled reviews or on-site audits of it or the validating laboratories on matters relevant to PSDI, and cooperate in the conduct of these reviews and audits; 2. 1910.139 [Reserved] Inclined and vertical shafts, particularly inclined idler shafts, shall be securely held in position against endwise thrust. In no case shall a warning device of leather or other material attached to the spindle be acceptable.
(iii) If two-hand trip systems are used on multiple operator presses, each operator shall have a separate set of controls. Reactivation of the clutch shall require restoration of normal air supply and use of the tripping mechanism(s). (v) The route followed by the oiler is protected in such manner as to prevent accident. Appendix C to Subpart L of Part 1910Fire Protection References For Further Information It is financially capable to conduct the work; b. In powerplants only the lower run of the belt need be guarded. All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. (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.
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