osha conveyor safety 1910
Eligibility. The sides of the lower exposed portion of the blade shall be guarded to the full diameter of the blade by a device that will automatically adjust itself to the thickness of the stock and remain in contact with stock being cut to give maximum protection possible for the operation being performed. The sides of the trough shall come within at least six (6) inches of the underside of table, or if shafting is located near floor within six (6) inches of floor. (2) Calenders. Have unit wired by qualified electrician. (i) A suitable enclosure shall be provided to prevent damaged or detached boards from falling. If the safeguard is not described in this section, give a complete description. (3) Vibration of 45G for one millisecond per stroke when the item is to be mounted on the press frame. 1910.304 Wiring design and protection. 2. (b) The control system shall be designed to permit an adjustment which will require concurrent pressure from both hands during the die closing portion of the stroke. 1910.1052 Methylene chloride. (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. 1910.17 Effective dates. 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. (xiv) The clutch/brake control shall automatically deactivate in event of failure of the counterbalance(s) air supply. (a) The device may not be used on machines using full revolution clutches. 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 . Vertical belts running over a lower pulley more than seven (7) feet above floor or platform shall be guarded at the bottom in the same manner as horizontal overhead belts, if conditions are as stated in paragraphs (e)(2)(ii) (a) and (c) of this section. 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. 1910.1201 Retention of DOT markings, placards and labels. (43) Operator's station means the complete complement of controls used by or available to an operator on a given operation for stroking the press. This document is not intended to be totally inclusive but rather to highlight the information and requirements in the complete OSHA standard that all owners and The time increase allowed shall be limited to no more than 10 percent of the longest press stopping time measured at the top of the stroke, or 10 milliseconds, whichever is longer. (5) Power-driven guillotine veneer cutters, except continuous feed trimmers, shall be equipped with: (i) Starting devices which require the simultaneous action of both hands to start the cutting motion and of at least one hand on a control during the complete stroke of the knife; or. (9) Flanges means collars, discs or plates between which wheels are mounted and are referred to as adaptor, sleeve, or back up type. The spreader shall be made of hard tempered steel, or its equivalent, and shall be thinner than the saw kerf. (1) Hot trimming presses. (i) Wheels must be dry and free from sawdust when applying the ring test, otherwise the sound will be deadened. 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. In all other industries, wood guards shall not be used. 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. Compliance with 1910.217(h)(9)(iv). Flanges shall be dimensionally accurate and in good balance. 1910.211 Definitions. Compliance with 1910.217(h)(9)(x). (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. single strand V-belts, the width of which is thirteen thirty-seconds (1332) inch or less. The unused run of the sanding belt shall be guarded against accidental contact. For that reason, the prohibitions against die-setting in the PSDI mode, and against production in the inch mode are cited to emphasize that inch operation is of reduced safety and is not compatible with PSDI or other production modes. 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. (17) Two hand control device means a two hand trip that further requires concurrent pressure from both hands of the operator during a substantial part of the die-closing portion of the stroke of the press. 1910.1044 1,2-dibromo-3-chloropropane. 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. 7. The Assistant Secretary, or a special designee for this purpose, will make a preliminary decision whether the applicant has met the requirements for recognition based on the completed application file and the written staff recommendation, as well as the statement of reasons by the applicant if there is a recommendation of disapproval. The Occupational Safety and Health Administration's (OSHA's) requirements for machine guarding are found in 29 Code of Federal Regulations (CFR) 1910 Subpart O, Machinery and Machine Guarding as detailed below; 1910.211 Definitions; 1910.212 General requirements for all machines; . Under this provision, a catwalk or runway must be at least 18 inches wide. General. 1910.27 Scaffolds and rope descent systems. This is in addition to the report of injury required by paragraph (g) of this section; however, a copy of that report may be used for this purpose. 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. 1910.133 Eye and face protection. 2. However, the guarding of these gears is highly recommended. This requirement pertains only to those single-stroke, two-hand controls manufactured and installed on or after August 31, 1971. (9) Continuous means uninterrupted multiple strokes of the slide without intervening stops (or other clutch control action) at the end of individual strokes. 3. 5. It shall be the responsibility of any person reconstructing, or modifying a mechanical power press to do so in accordance with paragraph (b) of this section. Suspended counterbalanced tighteners and all parts thereof shall be of substantial construction and securely fastened; the bearings shall be securely capped. Content of application. 1910.335 Safeguards for personnel protection. The requirement in paragraph (h)(2)(ii) defines a high torque capability which should ensure fast and consistent stopping times. This subparagraph does not apply to manually operated sprockets. 1910.166-1910.168 [Reserved] 1910.15 Shipyard employment. (1) Inspection and maintenance records. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. Pulleys serving as balance wheels (e.g., punch presses) on which the point of contact between belt and pulley is more than six feet six inches (6 ft. 6 in.) (ii) Once the PSDI safety system has been certified/validated, adjustment of the brake monitor shall not be done without prior approval of the validation organization for both the brake monitor adjustment and the corresponding adjustment of the safety distance. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. As an alternative, supplemental presence sensing devices used only in the safeguard mode may be provided. Grinding is always performed on rim face, W dimension. b. 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. We're always open to new suggestions on safety training topics you'd like to see! If the press has a slide counterbalance system, it is important that the counterbalance be adjusted correctly for upper die weight according to the manufacturer's instructions. Cup wheels (Types 6 and 11) shall be protected by: (i) Safety guards as specified in paragraphs (b) (1) through (10) of this section; (ii) Band type guards as specified in paragraph (b)(11) of this section; and. The failure shall be detectable by a simple test, or indicated by the control system. The manufacturer or the manufacturer's representative shall certify to and submit to an OSHA-recognized third-party validation organization the documentation necessary to demonstrate that the PSDI safety system design is in full compliance with the requirements of 29 CFR 1910.217(a)-(h) and this appendix A, as applicable, by means of analysis, tests, or combination of both, establishing that the following additional certification/validation requirements are fulfilled. (iii) Types 16, 17, 18, 18R, and 19 cones, plugs, and threaded hole pot balls where the work offers protection. 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. (3) Flanges. (2) Cutting heads on wood-turning lathes, whether rotating or not, shall be covered as completely as possible by hoods or shields. c. The recognized validation organization shall continue to satisfy all the requirements of this appendix and the letter of recognition during the period of recognition. The spreader shall be slightly thinner than the saw kerf and slightly thicker than the saw disk. 1910.132 General requirements. 1910.423 Post-dive procedures. The explanation and use of the scale shall be documented. (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. the hierarchy of the document. 4. 1910.151 Medical services and first aid. Maximum hole size for all other applications should not exceed one-half wheel diameter. (ii) A gate or movable barrier device shall protect the operator as follows: (a) A Type A gate or movable barrier device shall protect the operator in the manner specified in paragraph (c)(3)(i)(f) of this section, and. It shall automatically adjust itself to the thickness of and remain in contact with the material being cut. Cold trimming presses shall be safeguarded in accordance with 1910.217(c). 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) The employer shall certify that the PSDI safety system has been design certified and validated, that the installation meets the operational and environmental requirements specified by the manufacturer, that the installation drawings are accurate, and that the installation meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. The requirements for OSHA recognition of a third-party validation organization for the PSDI standard are that the program has fulfilled the requirements of section II of this appendix for qualifications and of section III of this appendix for program requirements, and the program has identified appropriate test and analysis methods to meet the requirements of the PSDI standard and appendix A. 1910.1451-1910.1499 [Reserved]. (viii) A scale guard of substantial construction shall be provided at the back of every hammer, so arranged as to stop flying scale. 1910.165 Employee alarm systems. Appendix E to Subpart L of Part 1910Test Methods for Protective Clothing, Subpart MCompressed Gas and Compressed Air Equipment. The test shall be considered successful if the stopping time remains within that which is determined by paragraph (h)(9)(v) for the safety distance setting. (11) Band type guards - general specifications. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. Displaying title 29, up to date as of 3/02/2023. The manufacturer's recommended minimum lining depth shall be identified and documented, and an evaluation made that the minimum depth will not be exceeded before the next (annual) recertification/revalidation. With an enclosure of sheet, perforated, or expanded metal, or woven wire; With guard rails placed not less than fifteen (15) inches nor more than twenty (20) inches from rim. (3) Manually operated controls. (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. 4. (2) Brakes. The certification/validation report shall be signed by the Administrative Director and the Technical Director. 1. The application shall identify the scope of the validation activity for which the applicant wishes to be recognized, based on one of the following alternatives: (1) Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation; (2) Design Certification/Validation only; or. Where guard is exposed to contact with moving equipment, additional strength may be necessary. 1910.1045 Acrylonitrile. (iii) 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. Materials should be placed on the conveyor so that they will ride safely. This checklist covers regulations issued by the U.S. Department of Labor, Occupational Safety and Health Administration (OSHA) under the general industry standard 29 CFR 1910.23. This section covers the principal features with which power transmission safeguards shall comply. (vi) For thread grinding wheels not exceeding 1 inch in thickness cast iron or malleable iron safety guards as specified in Figures O-36 and O-37, and in Table O-9 shall be used. This is where OSHA comes into the picture. When a bushing is used in the wheel hole it shall not exceed the width of the wheel and shall not contact the flanges. (6) Part revolution clutch means a type of clutch that can be disengaged at any point before the crankshaft has completed a full revolution and the press slide a full stroke. It is not an official legal edition of the CFR. Friction brakes provided for stopping or holding a slide movement shall be inherently self-engaging by requiring power or force from an external source to cause disengagement. 1910.67 Vehicle-mounted elevating and rotating work platforms. 1910.1000 Air contaminants. This is an automated process for 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 . (5) Excluded machinery. (7) Die fastening. Where a calender 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 calender, safety control devices listed in paragraph (c) of this section shall not apply. developer resources. If the increase in press stopping time exceeds the brake monitor setting limit defined in paragraph (h)(5)(iii), the test shall be considered unsuccessful, and the cause of the excessive stopping time shall be investigated. (7) All cracked saws shall be removed from service. Dimensions of such adaptor flanges shall never be less than indicated. Pulleys intended to operate at rim speed in excess of manufacturers normal recommendations shall be specially designed and carefully balanced for the speed at which they are to operate. (viii) The two hand trip device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. The validation organization shall demonstrate competence and experience in either power press design, manufacture or use, or testing, quality control or certification/validation of equipment comparable to power presses and associated control systems. (5) Where an exhaust system is used, the guard shall form part or all of the exhaust hood and shall be constructed of metal of a thickness not less than that specified in subparagraph (1) of this paragraph. This requirement does not apply to those elements of the control system which have no effect on the protection against point of operation injuries. The ground shall be provided through use of a separate ground wire and polarized plug and receptacle. (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. It should also be noted that organic bonded wheels do not emit the same clear metallic ring as do vitrified and silicate wheels. (3) Surface condition. (2) Engine rooms. Sec. (i) Limitations: Special supporting, back adapter and inside flange nuts are required for the proper mounting of these types of wheels subject to limitations of 1910.215(c)(4) (i) and (ii). This subdivision does not apply to flywheels with solid web centers. 1910.11 Scope and purpose. (4) Reconstruction and modification. The regulations listed in OSHA 1910.145 cover a variety of aspects of signs and tags. Design Safety Standards for Electrical Systems, 1910.302 Electric utilization systems. The application for expansion will be acted upon and processed by OSHA in accordance with subsection I.B. (ii) Employee's name, injury sustained, and the task being performed (operation, set-up, maintenance, or other). Overhead-rope and chain-drive guard construction shall conform to the rules for overhead-belt guard. 14, 1988]. broken springs). (vi) Certain Type 1 and Type 27A cutting-off wheels. (6) Maintenance runway means any permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for passageway. (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. (2) Open framehammers (or blacksmith hammers) mean hammers used primarily for the shaping of forgings by means of impact with flat dies. (14) Brake system monitoring. 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. (b) As used in 1910.215 unless the context clearly requires otherwise, the following abrasive wheel machinery terms shall have the meanings prescribed in this paragraph. 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 . (f) Guards shall be used to protect all areas of entry to the point of operation not protected by the presence sensing device. Where loose pulleys or idlers are not practicable, belt perches in form of brackets, rollers, etc., shall be used to keep idle belts away from the shafts. Pulleys, any parts of which are seven (7) feet or less from the floor or working platform, shall be guarded in accordance with the standards specified in paragraphs (m) and (o) of this section. (1) Cup wheels. 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. 1910.119 Process safety management of highly hazardous chemicals. For the Textile Industry, because of the presence of excessive deposits of lint, which constitute a serious fire hazard, the sides and face sections only of nip-point belt and pulley guards are required, provided the guard shall extend at least six (6) inches beyond the rim of the pulley on the in-running and off-running sides of the belt and at least two (2) inches away from the rim and face of the pulley in all other directions. contact the publishing agency. Mandatory requirements for certification/validation of the PSDI safety system are provided in appendix A and appendix C to this standard. The safety tripping devices shall be located within reach of the operator and the bite. Die-setting and maintenance procedures shall comply with paragraphs (a) through (g) of this section, and shall not be done in the PSDI mode. (4) Exposed to contact means that the location of an object is such that a person is likely to come into contact with it and be injured. (5) Electrical power supply variations of 15 percent. 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. Identification and description of test methods or procedures used. All abrasive wheels shall be mounted between flanges which shall not be less than one-third the diameter of the wheel. 1910.39 Fire prevention plans. (vi) The presence sensing device location shall either be set at each tool change and set-up to provide at least the minimum safety distance, or fixed in location to provide a safety distance greater than or equal to the minimum safety distance for all tooling set-ups which are to be used on that press. The use in the formula of twice the stopping time increase, Tm, allowed by the brake monitor for brake wear allows for greater increases in the downstroke stopping time than occur in normal stopping time at the top of the stroke. They shall be made of steel or other material with adequate strength and shall enclose the wheel sides upward from the back for one-third of the wheel thickness. (ii) 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.