(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. Cast iron (min. (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. The emphasis is on an integrated total system including all elements affecting point of operation safety. 3. Suspended counterbalanced tighteners and all parts thereof shall be of substantial construction and securely fastened; the bearings shall be securely capped. 1910.111 Storage and handling of anhydrous ammonia. (3) Work area. and fell backwards and hit my head on the frame of the conveyor . (e) Inspection, maintenance, and modification of presses -. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. 10. The maximum angular exposure above the horizontal plane of the wheel spindle as specified in paragraphs (b) (3) and (4) of this section shall never be exceeded, and the distance between the wheel periphery and the adjustable tongue or the end of the peripheral member at the top shall never exceed one-fourth inch. (1) Determination of distance of travel. Nonmandatory supplementary information and guidelines relating to certification/validation of the PSDI safety system are provided to appendix B to this standard. (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. user convenience only and is not intended to alter agency intent (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. 1910.309-1910.330 [Reserved], 1910.331 Scope. The written procedures for test and certification/validation of PSDI systems, and the standards and test methods on which they are based, shall be reproducible and be available to OSHA and to the public upon request. The renewal request will be processed in accordance with subsection I.B. The safety system provision continues the concept of paragraph (b)(13) that the probability of two independent failures in the length of time required to make one press cycle is so remote as to be a negligible risk factor in the total array of equipment and human factors. (s) Inspection and maintenance of woodworking machinery. The manufacturer's recommended procedures for maintenance and inspection should be closely followed. 1910.18 Changes in established Federal standards. (3) Bolster plate means the plate attached to the top of the bed of the press having drilled holes or T-slots for attaching the lower die or die shoe. 1910.37 Maintenance, safeguards, and operational features for exit routes. c. Demonstration that review has been made of the reports covering the design certification/validation, the installation certification/validation, and all recertification/revalidations, in order to detect any degradation to an unsafe condition, and that necessary changes have been made to restore the safety system to previous certification/validation levels. (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. Where guard is exposed to contact with moving equipment, additional strength may be necessary. The various openings are such that for average size hands an operator's fingers won't reach the point of operation. As a The official, published CFR, is updated annually and available below under Where light curtain object sensitivity is user-adjustable, either discretely or continuously, design features shall limit the minimum object sensitivity adjustment not to exceed one and one-fourth inches (31.75 mm). 1910.426 Mixed-gas diving. Employers and manufacturers are encouraged to recommend other approaches if there is a potential for improving safety and reducing cost. (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. (i) The clutch shall release and the brake shall be applied when the external clutch engaging means is removed, deactivated, or deenergized. Safety Standard for Guarding of Machinery and Mechanical Power Transmission Apparatus. to 16,5 S.F.P.M.1. (3) Conveyors. Conduct or recertification/revalidation. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. 1910.36 Design and construction requirements for exit routes. (41) Knockout means a mechanism for releasing material from either die. 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. (3) Sprockets and chains. The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. Displaying title 29, up to date as of 3/02/2023. Following a deactivation of PSDI by the timer, the system shall make it necessary to reset the set-up/reset means in order to reactivate the PSDI mode. Validation for Design Certification/Validation. It shall be the responsibility of the employer to maintain all forge shop equipment in a condition which will insure continued safe operation. (i) Die setting on presses used in the PSDI mode shall be performed in accordance with paragraphs (d) and (h) of this section. (ii) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position. (4) Electromagnetic interference at the same wavelengths used for the radiation sensing field, at the power line frequency fundamental and harmonics, and also from outogenous radiation due to system switching. 1910.263 Bakery equipment. 39 FR 23502, June 27, 1974, unless otherwise noted. Control components shall be selected, constructed, and connected together in such a way as to withstand expected operational and environmental stresses, at least including those outlined in appendix A. The adjustments shall be made before performing the stopping time measurements required by paragraphs (h)(2)(ii), (h)(5)(iii), and (h)(9)(v) of this section. OSHA intends that PSDI continue to be prohibited where present state-of-the-art technology will not allow it to be done safely. (iii) All mechanical power press controls shall incorporate a type of drive motor starter that will disconnect the drive motor from the power source in event of control voltage or power source failure, and require operation of the motor start button to restart the motor when voltage conditions are restored to normal. They move large amounts of materials quickly and safely. 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. 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. Guards shall be affixed to the machine where possible and secured elsewhere if for any reason attachment to the machine is not possible. (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. (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. (vii) Controls for more than one operating station shall be designed to be activated and deactivated in complete sets of two operator's hand controls per operating station by means capable of being supervised by the employer. 1910.109 Explosives and blasting agents. (2) Drag saws shall be so located as to give at least a 4-foot clearance for passage when the saw is at the extreme end of the stroke; or if such clearance is not obtainable, the saw and its driving mechanism shall be provided with a standard enclosure. The minimum guarding line is the distance between the infeed side of the guard and the danger line which is one-half inch from the danger line. 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. (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. (3) Sprockets on chain or slat-belt conveyors shall be enclosed. 1910.94 Ventilation. Demonstrations that such adjustments as may be needed (such as to the brake monitor setting) have been accomplished with proper changes made in the records and on such notices as are located on the press and safety system. Conveyor power transmission equipment shall be guarded in accordance with ANSI B20.1-1957, Safety Code for Conveyors, Cableways, and Related Equipment, which is incorporated by reference as specified in 1910.6. (2) Where an exhaust system is used, the guards shall form part or all of the exhaust hood and shall be constructed of metal of a thickness not less than that specified in paragraph (h)(1) of this section. (ii) All metal should be free from burrs and sharp edges. (1) Dull, badly set, improperly filed, or improperly tensioned saws shall be immediately removed from service, before they begin to cause the material to stick, jam, or kick back when it is fed to the saw at normal speed. Showing adjustable tongue giving required angular protection for all sizes of wheel used. 1910.1044 1,2-dibromo-3-chloropropane. (b) Each two hand trip shall meet the construction requirements of paragraph (b)(6) of this section. Such tools shall not be in lieu of other guarding required by this section, but can only be used to supplement protection provided. 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. e-CFR 1910.219 (a) General requirements. An upper and a lower die make a complete set. Natural sandstone wheels and metal, wooden, cloth, or paper discs, having a layer of abrasive on the surface are not covered by this section. (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. (3) Each tenoning machine shall have all cutting heads, and saws if used, covered by metal guards. Shall be free of operational control and influence of manufacturers, suppliers, vendors, employers, or employee representatives that would impair its integrity of performance; and. (1) Mills. and 2. for the combined position. (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. 1910.110 Storage and handling of liquefied petroleum gases. 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. The manufacturer shall design a set of integrated tests to demonstrate compliance with the following requirements: Sections 1910.217(h)(6) (ii); (iii); (iv); (v); (vi); (vii); (viii); (ix); (xi); (xii); (xiii); (xiv); (xv); and (xvii). Belt shifter and clutch handles shall be rounded and be located as far as possible from danger of accidental contact, but within easy reach of the operator. A PSDI safety system which has received installation certification/validation shall undergo recertification/revalidation the earlier of: a. The unused run of the sanding belt shall be guarded against accidental contact. They shall be designed to provide adequate holding power for all the thicknesses of material being cut. (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. (i) The employer shall establish a diesetting procedure that will insure compliance with paragraph (c) of this section. If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. Then rotate the wheel 45 and repeat the test. (2) Shutoff valve. Where belt shifters are not directly located over a machine or bench, the handles shall be cut off six feet six inches (6 ft. 6 in.) Work rests shall be kept adjusted closely to the wheel with a maximum opening of one-eighth inch to prevent the work from being jammed between the wheel and the rest, which may cause wheel breakage. The driving point of all friction drives when exposed to contact shall be guarded, all arm or spoke friction drives and all web friction drives with holes in the web shall be entirely enclosed, and all projecting belts on friction drives where exposed to contact shall be guarded. will also bring you to search results. The letter will provide the specific details of the scope of the OSHA recognition as well as any conditions imposed by OSHA, including any Federal monitoring requirements. This contact form is only for website help or website suggestions. If you work for a Federal agency, use this drafting 3. 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. 1. 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. An employer who assembles a PSDI safety system would be a manufacturer as well as employer for purposes of this standard and appendix. (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. (45) Point of operation means the area of the press where material is actually positioned and work is being performed during any process such as shearing, punching, forming, or assembling. 1910.110 Storage and handling of liquefied petroleum gases. 1910.108 [Reserved] In the second stage, the OSHA-recognized third-party validation organization validates or revalidates that the PSDI safety system installation meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the employer's certification, by reviewing that the PSDI safety system has been certified; the employer's certification, designs and tests, if any; the installation, operation, maintenance and training; and by performing any additional tests and reviews which the validation organization believes is necessary. (10) Material requirements and minimum dimensions. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. (ii) Safety triprod. 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. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. The dates of the period of recognition will be stated in the recognition letter. The spreader shall be made of hard tempered steel, or its equivalent, and shall be thinner than the saw kerf. In overhead silent chain-drive guards where the chain is held from lateral displacement on the sprockets, the side clearances required on drives of twenty (20) inch centers or under shall be not less than one-fourth inch from the nearest moving chain part, and on drives of over twenty (20) inch centers a minimum of one-half inch from the nearest moving chain part. (2) Stopping limits for mills. Table O-7 - Minimum Dimensions for Straight Flanges - for Mechanical Grinders 12,500 S.F.P.M. (iii) Special Revolving Cup Guards which mount behind the wheel and turn with it. d. The applicant shall identify the test methods it or the validating laboratory will use to test or judge the components and operations of the PSDI safety system required to be tested by the PSDI standard and appendix A, and shall specify the reasons the test methods are appropriate. 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. This distance (three-eighths inch) may be increased to three-fourths inch, provided the lead edge of the hood is extended to be not less than 512 inches in front of the nip point between the front roll and the work. OSHA has two standards specific to conveyors, its 1910 standard applying to general industry. 1910.421 Pre-dive procedures. (A) Where presses that have slide counterbalance systems are used in the PSDI mode, the counterbalance system shall also meet the requirements of paragraph (b)(9) of this section. (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. Have unit wired by qualified electrician. 1910.1007 3,-Dichlorobenzidine (and its salts). EN 618:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors EN 619:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads 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. Overhead belt guards shall be at least one-quarter wider than belt which they protect, except that this clearance need not in any case exceed six (6) inches on each side. (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. 1910.1012 Ethyleneimine. 7. (viii) Those clutch/brake control systems which contain both single and continuous functions shall be designed so that completion of continuous circuits may be supervised by the employer. The use of belt poles as substitutes for mechanical shifters is not recommended. 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. 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. Production shall not be done in the inch mode. (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. 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). (i) Machines using full revolution clutches shall incorporate a single-stroke mechanism. 1910.134 Respiratory protection. The maximum angular exposure of the grinding wheel periphery and sides for safety guards used on cutting-off machines and on surface grinding machines which employ the wheel periphery shall not exceed 150. (3) Surface condition. b. 1910.156 Fire brigades. Belt shifters, clutches, shippers, poles, perches, and fasteners -. (vii) The two hand control device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. Belt fasteners. (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. Note: These flanges may be clamped together by means of a central nut, or by a series of bolts or some other equivalent means of fastening. 2. Inspection shall be made of belts, lacings, and fasteners and such equipment kept in good repair. When required by paragraph (c)(5) of this section, the control system 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 initiation of a successive stroke until the failure is corrected. It shall include instruction relative to the following items for presses used in the PSDI mode. All abrasive wheels shall be mounted between flanges which shall not be less than one-third the diameter of the wheel. Each recognized third-party validation organization and its validating laboratories shall: 1. We recommend you directly contact the agency responsible for the content in question. (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. 1910.176 Handling materialsgeneral. Structural steel (min. a. Where panels are fitted with expanded metal or wire mesh the middle rails may be omitted. This section covers the principal features with which power transmission safeguards shall comply. The midrail may be one by four (1 4) inches or more. The employer shall train and instruct the operator in the safe method of work before starting work on any operation covered by this section. 2. It shall be of sufficient width to provide adequate stiffness or rigidity to resist any reasonable side thrust or blow tending to bend or throw it out of position. Such mesh or perforated metal shall be not less than 0.037 inch (U.S. Gage No. A notification of the final decision shall be published in the Federal Register. The manufacturer shall design a test(s) to establish the hand tool extension diameters allowed for variations in minimum object sensitivity response. 1910.135 Head protection. The validation organization or validating laboratory shall maintain a record of each certification/validation of a PSDI safety system, including manufacturer and/or employer certification documentation, test and working data, test report, certification/validation report, any follow-up inspections or testing, and reports of equipment failures, any reports of accidents involving the equipment, and any other pertinent information. Demonstration of a thorough inspection of the entire press and PSDI safety system to ascertain that the installation, components and safeguarding have not been changed, modified or tampered with since the installation certification/validation or last recertification/revalidation was made. 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. Where guard is exposed to contact with moving equipment additional strength may be necessary. While the employer is responsible for assuring that the certification/validation requirements in 1910.217(h)(11) are fulfilled, the design certification of PSDI safety systems may be initiated by manufacturers, employers, and/or their representatives. (1) Each profile and swing-head lathe shall have all cutting heads covered by a metal guard. 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. The guard shall be fastened to the frame carrying the rolls so as to remain in adjustment for any thickness of stock. 1910.1030 Bloodborne pathogens. of this appendix, the following procedures will be used: (1) The Assistant Secretary will issue a notice of hearing before an administrative law judge of the Department of Labor pursuant to the rules specified in 29 CFR part 1905, subpart C. (2) After the hearing, pursuant to subpart C, the administrative law judge shall issue a decision (including reasons) based on the application, the supporting documentation, the staff recommendation, the public comments and the evidence submitted during the hearing (the record), stating whether it has been demonstrated, based on a preponderance of evidence, that the applicant meets the requirements for recognition.
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