(2) Cutting heads on wood-turning lathes, whether rotating or not, shall be covered as completely as possible by hoods or shields. (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. (iii) Toeboards shall be four (4) inches or more in height, of wood, metal, or of metal grill not exceeding one (1) inch mesh. 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. (3) Upon issuance of the decision, any party to the hearing may file exceptions within 20 days pursuant to subpart C. If exceptions are filed, the administrative law judge shall forward the decision, exceptions and record to the Assistant Secretary for the final decision on the application. (ii) The inside diameter of the band shall not be more than 1 inch larger than the outside diameter of the wheel, and shall be mounted as nearly concentric with the wheel as practicable. The work rest shall be securely clamped after each adjustment. (ii) Table O-5, and Table O-7 and Figures O-31, O-33, O-34 show minimum dimensions for straight adaptor flanges for use with wheels having holes larger than the spindle. (a) Attachments shall be connected to and operated only by the press slide or upper die. (3) Broken pulleys. (1) Guards. of this appendix or may request that the original application be submitted to the Assistant Secretary with a statement of reasons supplied by the applicant as to why the application should be approved. All metal should be free from burrs and sharp edges. Appendix E to Subpart L of Part 1910Test Methods for Protective Clothing, Subpart MCompressed Gas and Compressed Air Equipment. 29 U.S.C. 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. 1910.255 Resistance welding. 1910.420 Safe practices manual. If made of pipe, the post shall be one and one-fourth (114) inches inside diameter, or larger. Content of application. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. Any press whose safety system has not been recertified and revalidated within the preceding 12 months shall be removed from service in the PSDI mode until the safety system is recertified and revalidated. 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. However,current OSHA regulations on the control of hazardous energy sources (lockout/tagout)[29 CFR 1910.147],and machine guarding [29 CFR Part 1910.212 ] are applicable to these types of equipment. 1910.109 Explosives and blasting agents. (8) Point of operation means that point at which cutting, shaping, or forming is accomplished upon the stock and shall include such other points as may offer a hazard to the operator in inserting or manipulating the stock in the operation of the machine. The guard shall be such that it does not offer an accident hazard in itself. 1910.1050 Methylenedianiline. Die keys and shims shall be made from a grade of material that will not unduly crack or splinter. (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. This content is from the eCFR and may include recent changes applied to the CFR. 4. (1) Forging means the product of work on metal formed to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. An acceptable method for interlocking supplemental guards as required by paragraph (h)(6)(xiii) would be to incorporate the supplemental guard and the PSDI presence sensing device into a hinged arrangement in which the alignment of the presence sensing device serves, in effect, as the interlock. Standards covering issues of occupational safety and health which have general application without regard to any specific industry are incorporated by reference in paragraphs (b) through (m) of this section and in subparagraphs (3) and (4) of this paragraph and made applicable under this section. For design certification, in the first stage, the manufacturer (which can be an employer) certifies that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A, based on appropriate design criteria and tests. A U type guard is permissible. 2. Where the drive extends over other machine or working areas, protection against falling shall be provided. If previous design, history and application are considered to be similar, but not equal to or more exacting than earlier experiences, the additional or partial certification/validation tests should concentrate on the areas of changed or increased requirements. 1910.262 Textiles. (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. The assumptions made during the analysis should be clearly stated and a description of the effects of these assumptions on the conclusions and limits should be included. Where a disk is used, the keys or other dangerous projections not covered by disk shall be cut off or covered. 1910.183 Helicopters. (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. ), (7) Automatic snagging machines. developer resources. (4) Each hand-fed jointer with horizontal cutting head shall have a guard which will cover the section of the head back of the gage or fence. (4) Gravity hammers mean a class of forging hammer wherein energy for forging is obtained by the mass and velocity of a freely falling ram and the attached upper die. (30) Foot control means the foot operated control mechanism designed to be used with a clutch or clutch/brake control system. (v) Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. For hole sizes smaller than shown in this table, use table 12. Guarding friction drives. The scope of the appendix includes the three categories of certification/validation required by the PSDI standard: Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation. (iii) Individual sensing fields of presence sensing devices used to initiate strokes in the PSDI mode shall cover only one side of the press. (1) Each circular hand-fed ripsaw shall be guarded by a hood which shall completely enclose that portion of the saw above the table and that portion of the saw above the material being cut. It should also be noted that organic bonded wheels do not emit the same clear metallic ring as do vitrified and silicate wheels. 1. 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. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. Displaying title 29, up to date as of 3/02/2023. (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. The manufacturer's recommended procedures for maintenance and inspection should be closely followed. (i) Tables O-4 and O-6 and Figures O-30 and O-32 show minimum dimensions for straight relieved and unrelieved flanges for use with wheels with small holes that fit directly on the machine spindle. (6) Maintenance runway means any permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for passageway. a. Antirepeat requires release of all tripping mechanisms before another stroke can be initiated. All drip cups and pans shall be securely fastened. (3) All double-spindle shapers shall be provided with a spindle starting and stopping device for each spindle. (63) Authorized person means one to whom the authority and responsibility to perform a specific assignment has been given by the employer. Sec. 1910.219 (a) (1) 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: 1910.219 (a) (1) (i) Flat belts one (1) inch or less in width, 1910.219 (a) (1) (ii) formatting. (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. (4) If there is a counterweight, one of the following or equivalent means shall be used to prevent its dropping: (i) It shall be bolted to the bar by means of a bolt passing through both bar and counterweight; (ii) A bolt shall be put through the extreme end of the bar; (iii) Where the counterweight does not encircle the bar, a safety chain shall be attached to it; (iv) Other types of counterweights shall be suspended by chain or wire rope and shall travel in a pipe or other suitable enclosure wherever they might fall and cause injury. (i) Point of operation is the area on a machine where work is actually performed upon the material being processed. 1910.120 Hazardous waste operations and emergency response. c. Function completion means for, electrical, electromechanical and electronic devices, when the circuit produces a change of state in the output element of the device. Hand feeding tools are not a point of operation guard or protection device and shall not be used in lieu of the guards or devices required in this section. The use of belt poles as substitutes for mechanical shifters is not recommended. (vi) The employer shall notify the OSHA-recognized third-party validation organization within five days of the occurrence of any point of operation injury while a press is used in the PSDI mode. Industrial Conveyor Belts & Hose; Industrial/MRO/Safety; Machine & Automation Solutions; . Forging hammers, counterblow equipment and high-energy-rate forging machines impart impact to the workpiece, while most other types of forging equipment impart squeeze pressure in shaping the stock. (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. (6) Tonnage, stroke, and weight designation. A copy of the test report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to OSHA upon request. The failure shall be indicated by the system. (xiv) The clutch/brake control shall automatically deactivate in event of failure of the counterbalance(s) air supply. (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. Wherever flywheels are above working areas, guards shall be installed having sufficient strength to hold the weight of the flywheel in the event of a shaft or wheel mounting failure. Provide employees with the right battery handling equipment. Where explosives, explosive dusts, flammable vapors or flammable liquids exist, the hazard of static sparks from shafting shall be carefully considered. (v) The employer shall notify the OSHA-recognized third-party validation organization within five days whenever a component or a subsystem of the safety system fails or modifications are made which may affect the safety of the system. The requirements of paragraph (f)(1) of this section shall also apply to hot trimming presses. A safety trip control shall be provided in front and in back of each mill. 1910.132 General requirements. Surface Feet per minute .262 24 1,000 = 6,288 s.f.p.m. The provisions of paragraph (h) of this section shall apply to rivet making. Means must be provided to prevent tightener from falling, in case the belt breaks. Where a mill is so installed that persons cannot normally reach through, over, under, or around to come in contact with the roll bite or be caught between a roll and an adjacent object, then, provided such elements are made a fixed part of a mill, safety control devices listed in paragraph (b) of this section shall not apply. (b) Attachments shall be adjusted to prevent the operator from reaching into the point of operation or to withdraw the operator's hands from the point of operation before the dies close. The test report shall include the following: a. Appendix C to Subpart I of Part 1910Personal Fall Protection Systems Non-Mandatory Guidelines If you work for a Federal agency, use this drafting Fast and consistent stopping times are important to safety for the PSDI mode of operation. Regulation Y Flanges shall be dimensionally accurate and in good balance. (4) Lathes used for turning long pieces of wood stock held only between the two centers shall be equipped with long curved guards extending over the tops of the lathes in order to prevent the work pieces from being thrown out of the machines if they should become loose. (1) 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: (i) Flat belts one (1) inch or less in width. 4. (pounds per square inch) or greater. The certification/validation of safety systems for PSDI shall consider the press, controls, safeguards, operator, and environment as an integrated system which shall comply with all of the requirements in 29 CFR 1910.217 (a) through (h) and this appendix A. (i) Pulleys shall be kept in proper alignment to prevent belts from running off. (6) Each operating treadle shall be protected against unexpected or accidental tripping. In addition, a permanent label not less than 112 inches by 34 inch shall be affixed to the rear of the guard at approximately the level of the arbor, reading as follows: Danger: Do Not Rip or Plough From This End. A slot opening for jack bar will be permitted. Where belts are so located as to make it impracticable to carry the guard to wall or ceiling, construction of guard shall be such as to enclose completely the top and bottom runs of belt and the face of pulleys. The brake monitor used with the Type B gate or movable barrier device shall be installed in a manner to detect slide top-stop overrun beyond the normal limit reasonably established by the employer. Appendices to Subpart L of Part 1910Note 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. We recommend you directly contact the agency responsible for the content in question. 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. (iii) Full revolution mechanical power presses shall not be used in the PSDI mode of operation. . (4) Belt fasteners. 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 . Revision of application. (ii) Scheduling and recording the inspection of guards and point of operation protection devices at frequent and regular intervals. (i) Point of operation devices shall protect the operator by: (a) Preventing and/or stopping normal stroking of the press if the operator's hands are inadvertently placed in the point of operation; or, (b) Preventing the operator from inadvertently reaching into the point of operation, or withdrawing his hands if they are inadvertently located in the point of operation, as the dies close; or, (c) Preventing the operator from inadvertently reaching into the point of operation at all times; or, (e) Requiring application of both of the operator's hands to machine operating controls and locating such controls at such a safety distance from the point of operation that the slide completes the downward travel or stops before the operator can reach into the point of operation with his hands; or, (f) Enclosing the point of operation before a press stroke can be initiated, and maintaining this closed condition until the motion of the slide had ceased; or. (3) Each hand-fed jointer with a horizontal cutting head shall have an automatic guard which will cover all the section of the head on the working side of the fence or gage. (4) Belt sanding machines shall be provided with guards at each nip point where the sanding belt runs on to a pulley. All points not readily accessible shall have oil feed tubes if lubricant is to be added while machinery is in motion. (11) The frames and all exposed, noncurrent-carrying metal parts of portable electric woodworking machinery operated at more than 90 volts to ground shall be grounded and other portable motors driving electric tools which are held in the hand while being operated shall be grounded if they operate at more than 90 volts to ground. (3) The top of the cutting chain and driving mechanism shall be enclosed. On both sides of the calender and near each end of the face of the roll, there shall be a cable or wire center cord connected to the safety trip. It is financially capable to conduct the work; b. (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. (34) Fixed barrier guard means a die space barrier attached to the press frame. This subparagraph does not apply to manually operated sprockets. 1910.421 Pre-dive procedures. The test(s) shall document the range of object diameter sizes which will produce both single and double break conditions. Stopping distances shall be expressed in inches of surface travel of the roll from the instant the emergency stopping device is actuated. (2) Each hand-fed circular ripsaw shall be furnished with a spreader to prevent material from squeezing the saw or being thrown back on the operator. (a) All guards shall be rigidly braced every three (3) feet or fractional part of their height to some fixed part of machinery or building structure. 1910.15 Shipyard employment. (ii) Shafting under bench machines shall be enclosed by a stationary casing, or by a trough at sides and top or sides and bottom, as location requires. The guard for the portion of the blade between the sliding guide and the upper-saw-wheel guard shall protect the saw blade at the front and outer side. On offhand grinding machines, work rests shall be used to support the work. 1910.19 Special provisions for air contaminants. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. 1910.67 Vehicle-mounted elevating and rotating work platforms. 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. 1910.123 Dipping and coating operations: Coverage and definitions. tensile strength 60,000 p.s.i.) Energy delivered during each stroke may be varied. 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. a. Based upon this determination, a scale shall be developed to indicate the allowable 10 percent of the stopping time at the top of the stroke for slide or ram overtravel due to brake wear. (ii) (A) PSDI shall be implemented only by use of light curtain (photo-electric) presence sensing devices which meet the requirements of paragraph (c)(3)(iii)(c) of this section unless the requirements of the following paragraph have been met. (4) Bushing. (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. (iv) The employer shall provide and enforce the use of safety blocks for use whenever dies are being adjusted or repaired in the press. If workers need to cross over a conveyor, OSHA has specific requirements for both Construction and Marine applications of Conveyor Crossovers. 1910.137 Electrical protective equipment. (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. (ii) The motor start button shall be protected against accidental operation. (2) Redundancy, and comparison and/or diagnostic checking, exist for the critical items that may cause injury, and the electrical, electronic, electromechanical and mechanical parts and components are selected so that they can withstand operational and external environments. 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. D. Similarity analysis may be used in lieu of tests where it can be shown that the article is similar in design, manufacturing process, and quality control to another article that was previously certified/validated in accordance with equivalent or more stringent criteria. There are other general safety precautions which should be followed by everyone even if they dont work directly with conveyors. 6. Shall have legal authority to perform the validation of certification; 2. The stopping time measurements should be made with the heaviest upper die that is planned for use in the press. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. The validation organization shall in its installation validation, state that in what circumstances, if any, the employer has advance approval for adjustment, when prior oral approval is appropriate and when prior approval must be in writing. 1910.165 Employee alarm systems. (iv) Mechanical power presses with a configuration which would allow a person to enter, pass through, and become clear of the sensing field into the hazardous portion of the press shall not be used in the PSDI mode of operation. The certification/validation process should confirm that hazards identified by hazard analysis, (HA), failure mode effect analysis (FMEA), and other system analyses have been eliminated by design or reduced to an acceptable level through the use of appropriate design features, safety devices, warning devices, or special procedures. full text search results 1910.423 Post-dive procedures. (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. (iv) Type of safeguard(s) being used (two hand control, two hand trip, pullouts, sweeps, or other). Rivet making with less than 1-inch diameter is usually a cold forging operation, and therefore not included in this subpart. (E) A system or visual check shall be made to verify correct counterbalance adjustment for die weight according to the press manufacturer's instructions, when a press is equipped with a slide counterbalance system. (1) Point of operations means that point at which cutting, shaping, boring, or forming is accomplished upon the stock. The validation organization and/or validating laboratory shall have established written procedures for test and certification/validation of PSDI safety systems. Integrated test of the press fully equipped to operate in the PSDI mode shall be conducted to establish the total system reaction time. (7) Die fastening. 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. a. Suspended counterbalanced tighteners and all parts thereof shall be of substantial construction and securely fastened; the bearings shall be securely capped. 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. 1910.1018 Inorganic arsenic. Compliance with 1910.217(h)(9)(x). (8) Surface feet per minute (s.f.p.m.) 1910.156 Fire brigades. (3) Installation/Certification/Validation and Annual Recertification/Revalidation. (10) Material requirements and minimum dimensions. of this appendix, subject to the possible reinspection exception. 1910.160 Fixed extinguishing systems, general. (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) 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. 1910.211 Definitions.

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