It is free of direct influence or control by manufacturers, suppliers, vendors, representatives of employers and employees, and employer or employee organizations; and. Subpart PHand and Portable Powered Tools and Other Hand-Held Equipment. 1910.1051 1,3-Butadiene. 1910.420 Safe practices manual. All revolving collars, including split collars, shall be cylindrical, and screws or bolts used in collars shall not project beyond the largest periphery of the collar. It is not an official legal edition of the CFR. (1) The cutting heads of each wood shaper, hand-fed panel raiser, or other similar machine not automatically fed, shall be enclosed with a cage or adjustable guard so designed as to keep the operator's hand away from the cutting edge. A slot opening for jack bar will be permitted. The employer shall evaluate and test the PSDI system installation, shall submit to the OSHA-recognized third-party validation organization the necessary supporting documentation, and shall certify that the requirements of 1910.217(a) through (h) and this appendix A have been met and that the installation is proper. Belt shifters, clutches, shippers, poles, perches, and fasteners -. (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. Blotters shall be used in accordance with paragraph (c)(6) of this section. (3) Tail rods or extension piston rods. (5) On each machine operated by electric motors, positive means shall be provided for rendering such controls or devices inoperative while repairs or adjustments are being made to the machines they control. 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) This does not apply to constant pressure controls used only for setup purposes. This exception also is referred to as the "minor servicing exception." (iii) Portable units shall be used only in areas where good, general room ventilation is provided. The guard shall prevent opening of the interlocked section and reaching into the point of operation prior to die closure or prior to the cessation of slide motion. The Type 27 A Wheel is mounted between flat non-relieved flanges of equal bearing surfaces. 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.) (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. An application may be revised by an applicant at any time prior to the completion of the final staff recommendation. Conduct or recertification/revalidation. (ii) Type 27 and Type 28 wheels, because of their shape and usage, require specially designed adaptors. (1) Each swing cutoff saw shall be provided with a hood that will completely enclose the upper half of the saw, the arbor end, and the point of operation at all positions of the saw. Grade V60-30. (4) Belt fasteners. 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. Table O-8 - Minimum Dimensions for Straight Flanges Used as Wheel Sleeves for Precision Grinding Only. Certification/Validation Program Requirements. (b) Guarding of abrasive wheel machinery -. They are reinforced, organic bonded, offset hub type wheels, usually 16 inches diameter and larger, specially designed for use on cutting-off machines where mounting nut or outer flange interference cannot be tolerated. As a is available with paragraph structure matching the official CFR Where any portion of the train of gears guarded by a band guard is less than six (6) feet from the floor a disk guard or a complete enclosure to the height of six (6) feet shall be required. The test specifications and procedures shall be made available upon request to the validation organization. Each reaction time required to calculate the Safety Distance, including the brake monitor setting, shall be documented in separate reaction time tests. Unused keyways shall be filled up or covered. (2) Hydraulic forging presses. A summary of part level content is listed below followed by the table of contents, where you can drill down further. (ii) Employee's name, injury sustained, and the task being performed (operation, set-up, maintenance, or other). The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. A positive-type lockout device for disconnecting the power to the shear shall be provided. Type 27 and Type 28 wheels shall be used only with a safety guard located between wheel and operator during use. (iii) Be constructed and installed in a manner to monitor brake system performance on each stroke. (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. Installed in the front and in the back of each mill and located within 2 inches of a vertical plane tangent to the front and rear rolls. They shall be designed to provide adequate holding power for all the thicknesses of material being cut. 4. 1910.425 Surface-supplied air diving. A slide is also called a ram, plunger, or platen. (pounds per square inch) or greater. 1910.36 Design and construction requirements for exit routes. (19) Die builder means any person who builds dies for power presses. Limitation: Rim height, T dimension, is generally equal to or greater than rim thickness, W dimension. 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. 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. There shall be no rough surfaces or sharp edges. (d) Muting (bypassing of the protective function) of such device, during the upstroke of the press slide, is permitted for the purpose of parts ejection, circuit checking, and feeding. b. All drip cups and pans shall be securely fastened. (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. Table O-11 - Strength and Dimensions for Wood Ram Props. 1910.151 Medical services and first aid. 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. 1910.426 Mixed-gas diving. to 16,5 S.F.P.M.1. 1910.217 Mechanical power presses. (1) Inspection. However, the guarding of these gears is highly recommended. Handling equipment attach points shall be provided on all dies requiring mechanical handling. (vi) A holdout or a restraint device shall protect the operator as specified in paragraph (c)(3)(i)(c) of this section and shall include attachments for each of the operator's hands. It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. 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. (i) Mechanical power presses used in the PSDI mode shall be operated under the control of a safety system which, in addition to meeting the applicable requirements of paragraphs (b)(13) and (c)(5) and other applicable provisions of this section, shall function such that a single failure or single operating error shall not cause injury to personnel from point of operation hazards. (15) Pull-out device means a mechanism attached to the operator's hands and connected to the upper die or slide of the press, that is designed, when properly adjusted, to withdraw the operator's hands as the dies close, if the operator's hands are inadvertently within the point of operation. For full revolution clutch presses with more than one engaging point, Tm shall be calculated as follows: Tm = [ 12 + (1 Number of engaging points per revolution)] time necessary to complete one revolution of the crankshaft (seconds). (4) Pulley speeds. Wheels bonded with clay, glass, porcelain or related ceramic materials are characterized as vitrified bonded wheels. 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 Part 1910 - OSHA General Industry regulations book is designed to assist you in meeting OSHA requirements. (3) Work area. 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 (8) Forging rolls mean a class of auxiliary forging equipment wherein stock is shaped between power driven rolls bearing contoured dies. 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. 1910.265 Sawmills. (8) Concurrent means acting in conjunction, and is used to describe a situation wherein two or more controls exist in an operated condition at the same time. Belt shippers and shipper poles. (i) Under the general component of the inspection program, the employer shall: (A) Conduct periodic and regular inspections of each power press to ensure that all of its parts, auxiliary equipment, and safeguards, including the clutch/brake mechanism, antirepeat feature, and single-stroke mechanism, are in a safe operating condition and adjustment; (B) Perform and complete necessary maintenance or repair, or both, before operating the press; and. (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. 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. 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. (xv) Selection of bar operation shall be by means capable of being supervised by the employer. This valve shall be closed and locked in the off position while the hammer is being adjusted, repaired, or serviced, or when the dies are being changed. 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. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. A PSDI safety system which has received installation certification/validation shall undergo recertification/revalidation the earlier of: a. This content is from the eCFR and may include recent changes applied to the CFR. Minimum requirements for this position are a Bachelor's degree and five years professional experience, at least one of which shall have been in responsible charge of a function in the areas of power press design or manufacture or a broad range of power press use, or in the areas of testing, quality control, or certification/validation of equipment comparable to power presses or their associated control systems. Although this appendix as such is not mandatory, it references sections and requirements which are made mandatory by other parts of the PSDI standard and appendices. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. 1910.212 General requirements for all machines. (ii) A red color stop control shall be provided with the clutch/brake control system. The outside periphery of the enclosure shall be solid. Side grinding wheel having a diameter, thickness and hole with one side straight or flat and the opposite side recessed. (1) Machine guarding. [Reserved] 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. (xiii) The clutch/brake control shall automatically deactivate in event of failure of the power or pressure supply for the clutch engaging means. Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. (ii) In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. 2. Rivet making with less than 1-inch diameter is usually a cold forging operation, and therefore not included in this subpart. 1910.1096 Ionizing radiation. (e) The safety distance (Ds) from the sensing field to the point of operation shall be greater than the distance determined by the following formula: Ds = minimum safety distance (inches); 63 inches/second = hand speed constant; Ts = stopping time of the press measured at approximately 90 position of crankshaft rotation (seconds). (1) Type 1 straight wheels means wheels having diameter, thickness, and hole size dimensions, and they should be used only on the periphery. 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. (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. a. (viii) A scale guard of substantial construction shall be provided at the back of every hammer, so arranged as to stop flying scale. For any timer setting greater than 15 seconds, the adjustment shall be made by the use of a special tool available only to authorized persons. (ix) If foot control is provided, the selection method between hand and foot control shall be separate from the stroking selector and shall be designed so that the selection may be supervised by the employer. However, where an operator must do many operations outside the press, such as lubricating, trimming, deburring, etc., a longer interval up to 30 seconds is permitted. All drip cups and pans shall be securely fastened. Paragraph (f)(1) of this section does not apply to hand-operated gears used only to adjust machine parts and which do not continue to move after hand power is removed. (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. 653, 655, 657; Secretary of Labor's Order No. 2. The hazard created by a guide post (when it is located in the immediate vicinity of the operator) when separated from its bushing by more than one-fourth inch shall be considered as a point of operation hazard and be protected in accordance with paragraph (c) of this section. (iv) Prevents the initiation of a stroke, or stops of stroke in progress, when there is an intrusion through the sensing field by any part of the operator's body or by any other object. (56) Turnover bar means a bar used in die setting to manually turn the crankshaft of the press. (See paragraph (d)(6) of this section.). (2) The opening in the table shall be kept as small as possible. 1910.143 Nonwater carriage disposal systems. All applications submitted will be accepted by OSHA, and their receipt acknowledged in writing. The certification record shall be prepared at the completion of training and shall be maintained on file for the duration of the employee's employment. Adjustments shall be made only by authorized personnel whose qualifications include a knowledge of the provisions of Table O-10 and this subparagraph. (iii) A label shall be affixed to the press as part of each installation certification/validation and the most recent recertification/revalidation. Structural steel (min. A hearing will be granted to an objecting member of the public if evidence of failure to meet the requirements of this appendix is supplied to OSHA. 1910.95 Occupational noise exposure. (ii) The control system shall incorporate a means of dynamically monitoring for decoupling of the rotary position indicating mechanism drive from the crankshaft. (ii) flat belts two (2) inches or less in width which are free from metal lacings or fasteners, (iii) round belts one-half (12) inch or less in diameter; and. It shall be the responsibility of the employer to maintain all forge shop equipment in a condition which will insure continued safe operation. (ii) All major assemblies and fittings which can loosen and fall shall be properly secured in place. Machinery shall be oiled when not in motion, wherever possible. 1910.3 Petitions for the issuance, amendment, or repeal of a standard. (33) Die enclosure guard means an enclosure attached to the die shoe or stripper, or both, in a fixed position. Appendix A to Subpart L of Part 1910Fire Protection (3) Scrap handling. (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. 1. Press brakes, hydraulic and pneumatic power presses, bulldozers, hot bending and hot metal presses, forging presses and hammers, riveting machines and similar types of fastener applicators are excluded from the requirements of this section. Minimum requirements. (2) Instruction to operators. (iv) If pedal counterweights are provided, the path of the travel of the weight shall be enclosed. The validation organization or the validating laboratory shall own a registered certification/validation mark or logo. Higher pressures may be permitted, however, to increase clutch torque to free jammed dies, provided positive measures are provided to prevent the higher pressure at other times. 2. 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. The clearance line marks the distance required to prevent contact between guard and moving parts. The validation organization representative shall witness at least one set of each of these tests. In engine rooms a guardrail, preferably with toeboard, may be used instead of the guard required by paragraph (k)(1) of this section, provided such a room is occupied only by engine room attendants. (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 third-party validation organization, the validating laboratory, and the employees of each shall meet the requirements set forth in this section of this appendix. "Safety Standard for Conveyors and Related Equipment" was the ANSI standard in effect at the time the 1910 Standards were promulgated. 1910.1007 3,-Dichlorobenzidine (and its salts). (v) The PSDI mode of operation shall be used only for normal production operations. 1910.141 Sanitation. It is recommended that old installations be changed to conform to this rule. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 40 FR 3982, Jan. 27, 1975; 43 FR 49750, Oct. 24, 1978; 45 FR 8594, Feb. 8, 1980; 49 FR 18295, Apr. (a) The device may not be used on machines using full revolution clutches. If you need more than just a PowerPoint, be sure to hop over to . In all other industries, wood guards shall not be used. Background and more details are available in the http://www.osha.gov/pls/oshaweb/mechanical.html. If there is a counterweight, the bolts supporting the bar and counterweight shall be provided with cotter pins; and the counterweight shall be prevented from dropping by either a bolt passing through both the bar and counterweight, or a bolt put through the extreme end of the bar, or, where the counterweight does not encircle the bar, a safety chain attached to it. (20) Die set means a tool holder held in alignment by guide posts and bushings and consisting of a lower shoe, an upper shoe or punch holder, and guide posts and bushings. It shall be made of material that is soft enough so that it will be unlikely to cause tooth breakage. 1910.106 Flammable liquids. 9. (B) The length of the hand tool shall be such as to ensure that the operator's hand will be detected for any safety distance required by the press set-ups. full text search results Regulation 1910.178(g)(2) also mandates "adequate ventilation" in battery charging areas. (See Figures O-14 and O-15. 1. 553. (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. (16) Inorganic wheels means wheels which are bonded by means of inorganic material such as clay, glass, porcelain, sodium silicate, magnesium oxychloride, or metal. The renewal request will be processed in accordance with subsection I.B. (ii) The employer shall certify that employees have been trained by preparing a certification record which includes the identity of the person trained, the signature of the employer or the person who conducted the training, and the date the training was completed. Limitation: These wheels shall be mounted only with a special tapered flange. Gears shall be guarded in accordance with one of the following methods: Hand-operated gears. If further detailing of these provisions will assist the validation organization or OSHA in this activity, this detailing will be done through appropriate OSHA Program Directives.
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