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. C. Analyses may be used for certification/validation when existing data are available or when test is not feasible. Appendix C to Subpart T of Part 1910Alternative Conditions Under 1910.401(a)(3) for Recreational Diving Instructors and Diving Guides (Mandatory). The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. (62) Safety system means the integrated total system, including the pertinent elements of the press, the controls, the safeguarding and any required supplemental safeguarding, and their interfaces with the operator, and the environment, designed, constructed and arranged to operate together as a unit, such that a single failure or single operating error will not cause injury to personnel due to point of operation hazards. When removing material off conveyors, workers should remain alert and safeguard their hands; the moving material can create pinch points. 1910.1010 Benzidine. screw conveyors and the periphery of an abrasive . On offhand grinding machines, work rests shall be used to support the work. 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. Where a disk is used, the keys or other dangerous projections not covered by disk shall be cut off or covered. (ii) The relevant requirements of paragraphs (a) through (g) of this section also shall apply to all presses used in the PSDI mode of operation, whether or not cross referenced in this paragraph (h). (iii) 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. (4) Inverted swing cutoff saws shall be provided with a hood that will cover the part of the saw that protrudes above the top of the table or above the material being cut. This table technically only applies to mechanical power presses operated within OSHA's jurisdiction, although some industry consensus standards also reference this table, such as ANSI B65.1 . (1) Safety trip control. (a) As used in 1910.213 and 1910.214 unless the context clearly requires otherwise, the following woodworking machinery terms shall have the meaning prescribed in this paragraph. The removal of a hand from any control button shall cause the slide to stop. However, the guarding of these gears is highly recommended. The validation organization shall make available upon request a list of PSDI safety systems which have been certified/validated by the program. Antirepeat requires release of all tripping mechanisms before another stroke can be initiated. The Federal Register notice of preliminary decision will provide a period of not less than 60 calendar days for the written comments on the applicant's fulfillment of the requirements for recognition. (39) Inch means an intermittent motion imparted to the slide (on machines using part revolution clutches) by momentary operation of the Inch operating means. (1) All portions of the saw blade shall be enclosed or guarded, except for the working portion of the blade between the bottom of the guide rolls and the table. Pulleys with cracks, or pieces broken out of rims, shall not be used. 1910.1051 1,3-Butadiene. (4) Tongs. 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. d. When the change of state is motion, the measurement shall be made at the completion of the motion. [Reserved] A copy of the certification/validation report shall be submitted to OSHA within 30 days of its completion. (iii) Special Revolving Cup Guards which mount behind the wheel and turn with it. Minor modifications not affecting the safety of the system may be made by the manufacturer without revalidation. (viii) The control system shall incorporate an automatic means to prevent initiation or continued operation in the PSDI mode unless the press drive motor is energized in the forward direction of crankshaft rotation. 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. This portion of the guard shall be self-adjusting to raise and lower with the guide. (3) Installation/Certification/Validation and Annual Recertification/Revalidation. A summary of part level content is listed below followed by the table of contents, where you can drill down further. (44) Pinch point means any point other than the point of operation at which it is possible for a part of the body to be caught between the moving parts of a press or auxiliary equipment, or between moving and stationary parts of a press or auxiliary equipment or between the material and moving part or parts of the press or auxiliary equipment. (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. 1910.166-1910.168 [Reserved] 1910.29 Fall protection systems and falling object protectioncriteria and practices. b. Where any portion of the train of gears guarded by a band guard is less than six (6) feet from the floor a disk guard or a complete enclosure to the height of six (6) feet shall be required. Minimum requirements for this position are a Bachelor's degree in a technical field and five years of professional experience, at least one of which shall have been in responsible charge of a function in the area of testing, quality control or certification/validation of equipment comparable to power presses or their associated control systems. A recognized validation organization may renew its recognition by filing a renewal request at the address in paragraph I.A.3. 1910.138 Hand protection. (1) Gears. (2) Cranks and connecting rods. 1910.1008 bis-Chloromethyl ether. Machine components shall be designed, secured, or covered to minimize hazards caused by breakage, or loosening and falling or release of mechanical energy (i.e. Search & Navigation (5) Flywheels include flywheels, balance wheels, and flywheel pulleys mounted and revolving on crankshaft of engine or other shafting. Class 20. 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. The control system shall require that each sensing field be interrupted the selected number of times prior to initiating a stroke. (23) Die shoe means a plate or block upon which a die holder is mounted. fOSHA Conveyor Standards (See Figure O-24 for one such type of mounting.). To accomplish this, the machine spindle shall be made to nominal (standard) size plus zero minus .002 inch, and the wheel hole shall be made suitably oversize to assure safety clearance under the conditions of operating heat and pressure. 11. (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. This book includes the complete Part 1910 - General Industry, Part 1903 - Inspections, Citations and Proposed Penalties, 1904 - Recording and Reporting Occupational Injuries and Illnesses regulations, and Part 1928 - Occupational . Pulley speeds. 1910.122 Table of contents. (ii) In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. 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. (13) Whenever veneer slicers or rotary veneer-cutting machines have been shutdown for the purpose of inserting logs or to make adjustments, operators shall make sure that machine is clear and other workmen are not in a hazardous position before starting the machine. Displaying title 29, up to date as of 3/02/2023. 1910.141 Sanitation. The safety attributes of a certified/validated PSDI safety system are more likely to be maintained if the quality of the system and its parts, components and subsystem is consistently controlled. Materials should be placed on the conveyor so that they will ride safely. If there is a valid request for a hearing pursuant to paragraph I.B.7.b. (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. (16) Inorganic wheels means wheels which are bonded by means of inorganic material such as clay, glass, porcelain, sodium silicate, magnesium oxychloride, or metal. (v) The sweep device may not be used for point of operation safeguarding. (9) Prime movers include steam, gas, oil, and air engines, motors, steam and hydraulic turbines, and other equipment used as a source of power. Industrial Conveyor Belts & Hose; Industrial/MRO/Safety; Machine & Automation Solutions; . By a standard guard as described in paragraph (o) of this section, at least seven (7) feet high extending six (6) inches above the mesh point of the gears; or. (3) On applications where injury to the operator might result if motors were to restart after power failures, provision shall be made to prevent machines from automatically restarting upon restoration of power. Gears shall be guarded in accordance with one of the following methods: Hand-operated gears. Test results obtained from development testing may be used to certify/validate the design. (1) Boltheading. Limitation: Minimum back thickness, E dimension, should not be less than one-fourth T dimension. (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. Sec. In engine rooms a guardrail, preferably with toeboard, may be used instead of the guard required by paragraph (k)(1) of this section, provided such a room is occupied only by engine room attendants. Use of a brake monitor does not eliminate the need for periodic brake inspection and maintenance to reduce the possibility of catastrophic failures. If the validation organization has been recognized for more than one year, meets the requirements for expansion of recognition, and there is no evidence that the recognized validation organization has not been following the requirements of this appendix and the letter of recognition, an expansion will normally be granted. 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. Open frame hammers generally are so constructed that the anvil assembly is separate from the operating mechanism and machine supports; it rests on its own independent foundation. 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. PART 1910 - OCCUPATIONAL SAFETY AND HEALTH STANDARDS Source: 39 FR 23502, June 27, 1974, unless otherwise noted. (ii) 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. (1) Hazards to personnel associated with broken or falling machine components. [39 FR 23502, June 27, 1974, as amended at 49 FR 5323, Feb. 10, 1984; 51 FR 34561, Sept. 29, 1986; 61 FR 9240, Mar. (c) Abrasive discs (inserted nut, inserted washer and projecting stud type). 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. (ii) Tap wheels about 45 each side of the vertical centerline and about 1 or 2 inches from the periphery as indicated by the spots in Figure O-25 and Figure O-26. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9240, Mar. (9) Continuous means uninterrupted multiple strokes of the slide without intervening stops (or other clutch control action) at the end of individual strokes. (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. Openings for oiling. Choosing an item from 1910.183 Helicopters. above floor level. Name of manufacturer and catalog or model number of each subsystem or major component. A correlation of the brake and/or clutch degradation based on the above tests and/or estimates shall be made and documented. (4) Guards for horizontal overhead rope and chain drives. 1910.120 Hazardous waste operations and emergency response. If no exceptions are filed, this is the final decision of the Department of Labor. (3) The top of the cutting chain and driving mechanism shall be enclosed. (See Figures O-8 and O-9. For full revolution clutch presses with more than one engaging point, Tm shall be calculated as follows: Tm = [ 12 + (1 Number of engaging points per revolution)] time necessary to complete one revolution of the crankshaft (seconds). The failure shall be indicated by the system. (3) Scrap handling. (iv) single strand V-belts, the width of which is thirteen thirty-seconds (1332) inch or less. 1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.). (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. Where guard is exposed to contact with moving equipment additional strength may be necessary. 1910.402 Definitions. 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: (i) The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. (20) Die set means a tool holder held in alignment by guide posts and bushings and consisting of a lower shoe, an upper shoe or punch holder, and guide posts and bushings. (1) General requirements. 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. This subparagraph does not apply to manually operated sprockets. (3) Machines using full revolution positive clutches. In addition, when unthreaded hole wheels are specified, the inside flat, K dimension, must be large enough to accommodate a suitable flange. Clutches, cutoff couplings, or clutch pulleys having projecting parts, where such clutches are located seven (7) feet or less above the floor or working platform, shall be enclosed by a stationary guard constructed in accordance with this section. (v) When any check of the press, including those performed in accordance with the requirements of paragraphs (h)(10)(ii), (iii) or (iv) of this section, reveals a condition of noncompliance, improper adjustment, or failure, the press shall not be operated until the condition has been corrected by adjustment, replacement, or repair.
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