Band type guards shall conform to the following general specifications: (i) The bands shall be of steel plate or other material of equal or greater strength. Design Safety Standards for Electrical Systems, 1910.302 Electric utilization systems. b. a. (ii) Horizontal overhead belts more than seven (7) feet above floor or platform shall be guarded for their entire length under the following conditions: (a) If located over passageways or work places and traveling 1,800 feet or more per minute. Reactivation of the clutch shall require restoration of normal supply and the use of the tripping mechanism(s). (i) The pedal mechanism shall be protected to prevent unintended operation from falling or moving objects or by accidental stepping onto the pedal. d. When one year has elapsed since the installation certification/validation or the last recertification/revalidation. (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. 1910.97 Nonionizing radiation. b. Couplings. The application, supporting documents, staff recommendation, statement of applicant's reasons, and any comments received, will be available for public inspection in the OSHA Docket Office. We recommend you directly contact the agency responsible for the content in question. 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. Without hearing. (d) Conveyors passing over areas that are occupied or used by employees shall be so guarded as to prevent the material transported from falling and causing injury to employees. 1910.304 Wiring design and protection. (5) Blotters. Based on this, the Assistant Secretary shall issue the final decision (including reasons) of the Department of Labor stating whether the applicant has demonstrated by a preponderance of evidence that it meets the requirements for recognition. A slide is also called a ram, plunger, or platen. Safety Standard for Guarding of Machinery and Mechanical Power Transmission Apparatus. The use of belt poles as substitutes for mechanical shifters is not recommended. (4) 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 (3) of this paragraph. How someone is dressed loose clothing, long hair, and jewelry when working on or around conveyors can present the risk of conveyor entanglement. 1910.1043 Cotton dust. The test(s) shall document the range of object diameter sizes which will produce both single and double break conditions. Crossing Over Conveyors Safely Subpart O: Machinery and Machine Guarding, OSHA 1910 General - UpCodes 1910.176 Handling materialsgeneral. (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. (2) All knives and cutting heads of woodworking machines shall be kept sharp, properly adjusted, and firmly secured. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. 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. The employer shall: (i) Use dies and operating methods designed to control or eliminate hazards to operating personnel, and. All trip and emergency switches shall not be of the automatically resetting type, but shall require manual resetting. (ii) Unused keyways shall be filled up or covered. developer resources. (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. (1) Types of guarding. (vii) The two hand control device shall protect the operator as specified in paragraph (c)(3)(i)(e) of this section. (See Figures O-12 and O-13), (6) Swing frame grinders. (B) The air supply for pneumatic clutch/brake control valves shall incorporate a filter, an air regulator, and, when necessary for proper operation, a lubricator. (f) As used in 1910.219, unless the context clearly requires otherwise, the following mechanical power-transmission guarding terms shall have the meaning prescribed in this paragraph. If you work for a Federal agency, use this drafting (1) Use of lead. 'They're more concerned about profit': Osha, DoJ take on Amazon's This should enhance the reliability of the device and ensure that it remains operable. The purpose of the certification/validation of safety systems for presence sensing device initiation (PSDI) of mechanical power presses is to ensure that the safety systems are designed, installed, and maintained in accordance with all applicable requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. 1910.216 Mills and calenders in the rubber and plastics industries. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. (1) Cup wheels. Bearings shall be kept in alignment and properly adjusted. Gears. 1910.1028 Benzene. 1910.211 Definitions. (6) Maintenance runway means any permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for passageway. (iii) Individual sensing fields of presence sensing devices used to initiate strokes in the PSDI mode shall cover only one side of the press. (4) Power controls and operating controls should be located within easy reach of the operator while he is at his regular work location, making it unnecessary for him to reach over the cutter to make adjustments. (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. In the second stage, the OSHA-recognized third-party validation organization validates that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the manufacturer's certification by reviewing the manufacturer's design and test data and performing any additional reviews required by this standard or which it believes appropriate. ), (9) Exposure adjustment. They move large amounts of materials quickly and safely. Structural steel (min. The employer shall evaluate and test the PSDI safety system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall recertify that the requirements of 1910.217(a) through (h) and this appendix are being met. The validation organization and the validating laboratory shall be adequately staffed by personnel who are qualified by technical training and/or experience to conduct the validation of the certification of PSDI safety systems. (i) Prior to the initial use of any mechanical press in the PSDI mode, two sets of certification and validation are required: (A) The design of the safety system required for the use of a press in the PSDI mode shall be certified and validated prior to installation. 1910.133 Eye and face protection. OSHA 29 CFR 1910.147 outlines "Alternative Protection Measure" procedures that can result in increased efficiency without compromising the safety of the operation. 2. b. (6) Where two or more workers are employed at the same time on the same power-driven guillotine veneer cutter equipped with two-hand control, the device shall be so arranged that each worker shall be required to use both hands simultaneously on the controls to start the cutting motion, and at least one hand on a control to complete the cut. (5) Sharpening or tensioning of saw blades or cutters shall be done only by persons of demonstrated skill in this kind of work. (x) Foot operated tripping controls, if used, shall be protected so as to prevent operation from falling or moving objects, or from unintended operation by accidental stepping onto the foot control. Table O-1 - Minimum Basic Thickness for Peripheral and Side Members for Safety Guards Used With Cutting-Off Wheels, Table O-3 - Guide for Construction of Band Type Guards, Table O-5 - Minimum Dimensions for Straight Adaptor Flange - for Organic Bonded Wheels Over 114 Inches Thick1. (iv) If pedal counterweights are provided, the path of the travel of the weight shall be enclosed. This requirement shall apply only to those clutch/brake air-valve controls manufactured and installed on or after August 31, 1971, but shall not apply to machines intended only for continuous, automatic feeding applications. Its hood shall be so designed that it will automatically cover the lower portion of the blade, so that when the saw is returned to the back of the table the hood will rise on top of the fence, and when the saw is moved forward the hood will drop on top of and remain in contact with the table or material being cut. (1) Flywheels. (v) Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. d. When the change of state is motion, the measurement shall be made at the completion of the motion. 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. Conveyor Safety | OSHA Safety Manuals Any person or organization considering itself capable of conducting a PSDI-related third-party validation function may apply for OSHA recognition. (1) General requirements. (3) Manually operated controls. information or personal data. Energy delivered during each stroke may be varied. The explanation and use of the scale shall be documented. (vii) Reactivation of PSDI operation following deactivation of the PSDI mode from any other cause, such as activation of the red color stop control required by paragraph (b)(7)(ii) of this section, interruption of the presence sensing field, opening of an interlock, or reselection of the number of sensing field interruptions/withdrawals required to cycle the press, shall require resetting of the set-up/reset means. 1910.143 Nonwater carriage disposal systems. Further, each operator shall be provided with a set-up/reset means that meets the requirements of paragraph (h)(6) of this section, and which must be actuated to initiate operation of the press in the PSDI mode. The requirement in paragrpah (h)(2)(iii) reduces the possibility of significantly increased stopping time if a spring breaks. After receipt of an application, OSHA may request additional information if it believes information relevant to the requirements for recognition have been omitted. (2) On machines driven by belts and shafting, a locking-type belt shifter or an equivalent positive device shall be used. Solid material used for this purpose shall be of an equivalent strength and firmness. (iv) The employer shall provide and enforce the use of safety blocks for use whenever dies are being adjusted or repaired in the press. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. and fell backwards and hit my head on the frame of the conveyor . Die-setting shall not be done in the PSDI mode. 2. They shall be designed to provide adequate holding power for all the thicknesses of material being cut. (e) Cylinders, cup, or segmental wheels that are mounted in chucks. Cast iron (min. (i) Machines using full revolution clutches shall incorporate a single-stroke mechanism. 1910.261 - Occupational Safety and Health Administration 1910.144 Safety color code for marking physical hazards. Steam hammers shall be provided with a means of cylinder draining, such as a self-draining arrangement or a quick-acting drain cock. (vi) 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. The eCFR is displayed with paragraphs split and indented to follow (3) Belt perches. Conveyors are safe when used correctly, but they can be dangerous, and even deadly, if workers fail to follow safety procedures when working on or around them. (iv) Personal protective equipment (gloves, goggles, aprons, and other items) shall be worn. When a recognized validation organization has filed such a renewal request, its current recognition will not expire until a final decision has been made on the request. (13) Control reliability. All mills irrespective of the size of the rolls or their arrangement (individually or group-driven) shall be stopped within a distance, as measured in inches of surface travel, not greater than 112 percent of the peripheral no-load surface speeds of the respective rolls as determined in feet per minute. 1910.1002 Coal tar pitch volatiles; interpretation of term. (ii) The operating levers on hand-tripped presses having more than one operating station shall be interlocked to prevent the tripping of the press except by the concurrent use of all levers. 1/1.1 OSHA regulates conveyors specifically in its construction rule at 29 CFR 1926.555, and the general use of such equipment is regulated under general industry and contruction rules for lockout/tagout, machine guarding, signs, signals, and barricades, and under the General Duty Clause. 1910.1011 4-Aminodiphenyl. All points not readily accessible shall have oil feed tubes if lubricant is to be added while machinery is in motion. 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. 1910.1018 Inorganic arsenic. 1910.180 Crawler locomotive and truck cranes. e. The generation of the test signal introduced into the system for measuring reaction time shall be such that the initiation time can be established with an error of less than 0.5 percent of the reaction time measured. 1. (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. Where prong anchor or cupback bushing are used, this footnote does not apply. 2. 1910.35 Compliance with alternate exit-route codes. 1910.106 Flammable liquids. The certification/validation process shall utilize an independent third-party validation organization recognized by OSHA in accordance with the requirements specified in appendix C of this section. 49 CFR 172.101 The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. 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. (iv) For flywheels with smooth rims five (5) feet or less in diameter, where the preceding methods cannot be applied, the following may be used: A disk attached to the flywheel in such manner as to cover the spokes of the wheel on the exposed side and present a smooth surface and edge, at the same time providing means for periodic inspection. (g) Enclosing the point of operation before a press stroke can be initiated, so as to prevent an operator from reaching into the point of operation prior to die closure or prior to cessation of slide motion during the downward stroke. (51) Slide means the main reciprocating press member. 3. The midrail may be one by four (1 4) inches or more. 1. Bearings shall be kept in alignment and properly adjusted. (c) If belt is eight (8) inches or more in width. 1910.242 Hand and portable powered tools and equipment, general. 1910.161 Fixed extinguishing systems, dry chemical. screw conveyors and the periphery of an abrasive . (b) Being a single control protected against accidental actuation and so located that the worker cannot reach into the point of operation while operating the single control. (ii) A die enclosure guard shall be attached to the die shoe or stripper in a fixed position. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. 20), and the openings shall be not greater than three-eighths inch. 1910.7 Definition and requirements for a nationally recognized testing laboratory. (Ts is defined as the sum of the kinetic energy dissipation time plus the pneumatic/magnetic/hydraulic reaction time of the clutch/brake operating mechanism(s).). 3. 5. Table O-7 - Minimum Dimensions for Straight Flanges - for Mechanical Grinders 12,500 S.F.P.M. The manufacturer shall design, evaluate, test and certify, and the third-party validation organization shall evaluate and validate, that the PSDI safety system meets appropriate requirements in the following areas. (i) Thermostatic control of heating elements shall be provided to maintain proper melting temperature and prevent overheating. (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. You can learn more about the process 1910.212 General requirements for all machines. No changes found for this content after 1/03/2017. Belt shifters, clutches, shippers, poles, perches, and fasteners -. All dies shall be: (i) Stamped with the tonnage and stroke requirements, or have these characteristics recorded if these records are readily available to the die setter; (ii) Stamped to indicate upper die weight when necessary for air counterbalance pressure adjustment; and. a. (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. (12) The knife blade of jointers shall be so installed and adjusted that it does not protrude more than one-eighth inch beyond the cylindrical body of the head. (2) Open framehammers (or blacksmith hammers) mean hammers used primarily for the shaping of forgings by means of impact with flat dies. It is necessary to maintain clearance between the wheel side and the guard. 1910.217 Mechanical power presses. "Safety Standard for Conveyors and Related Equipment" was the ANSI standard in effect at the time the 1910 Standards were promulgated. 1910.68 Manlifts. b. The official, published CFR, is updated annually and available below under (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. Conveyors are safe when used correctly, but they can be dangerous, and even deadly, if workers fail to follow safety procedures when working on or around them. 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. 1910.121 [Reserved]. The stop control shall override any other control, and reactuation of the clutch shall require use of the operating (tripping) means which has been selected. (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. 3. (ii) All major assemblies and fittings which can loosen and fall shall be properly secured in place. 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. (4) Type 11 flaring cup wheels mean wheels having double diameter dimensions D and J, and in addition have thickness, hole size, rim and back thickness dimensions. (iii) The pedal return spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, or designed to prevent interleaving of spring coils in event of breakage. Upsetters shall be provided with a means for locking out the power at its entry point to the machine and rendering its cycling controls inoperable. Ample room for cleaning machines, handling material, work pieces, and scrap shall also be provided. These guards shall cover at least the unused part of the periphery of the cutting head. switch to drafting.ecfr.gov. Requirements for recognition. OSHA 1910.145 Warning Signs and Tags - Creative Safety Supply The manufacturer's certification shall be validated by an OSHA-recognized third-party validation organization to meet all applicable requirements of paragraphs (a) through (h) and appendix A of this section. (ii) If the single-stroke mechanism is dependent upon spring action, the spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, and designed to prevent interleaving of the spring coils in event of breakage. 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. here. a. All manually operated valves and switches shall be clearly identified and readily accessible.

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