Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. 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. 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. (14) Operators shall not ride the carriage of a veneer slicer. (v) Cause of the accident (repeat of press, safeguard failure, removing stuck part or scrap, no safeguard provided, no safeguard in use, or other). This content is from the eCFR and is authoritative but unofficial. (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. (i) Diamond wheels, except certain vitrified diamond wheels. Have unit wired by qualified electrician. We recommend you directly contact the agency responsible for the content in question. 1910.211 Definitions. (o) Profile and swing-head lathes and wood heel turning machine. (ii) Inspection shall be made of belts, lacings, and fasteners and such equipment kept in good repair. b. (5) Modified types 6 and 11 wheels (terrazzo) mean some type 6 and 11 cup wheels used in the terrazzo trade having tapered K dimensions to match a special tapered flange furnished by the machine builder. Minor modifications not affecting the safety of the system may be made by the manufacturer without revalidation. (1) General requirements. Appendix A to Subpart I of Part 1910References for Further Information (Non-mandatory) (ii) Safety triprod. 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. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. 1910.1451-1910.1499 [Reserved]. This is an automated process for (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. 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. This subparagraph does not apply to manually operated sprockets. 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. (A) Presence sensing devices used as supplemental safeguarding shall not initiate a press stroke, and shall conform to the requirements of paragraph (c)(3)(iii) and other applicable provisions of this section, except that the safety distance shall comply with paragraph (h)(9)(v) of this section. 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. 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. The outside periphery of the enclosure shall be solid. (3) 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. Provision shall be made in both the upper and lower shoes for securely mounting the die to the bolster and slide. All auxiliary equipment such as mill divider, support bars, spray pipes, feed conveyors, strip knives, etc., shall be located in such a manner as to avoid interference with access to and operation of safety devices. The records shall include the manufacture and model number of each component and subsystem, the calculations of the safety distance as required by paragraph (h)(9)(v) of this section, and the stopping time measurements required by paragraph (h)(2)(ii) of this section. (c) Presses. 1910.1000 Air contaminants. 1910.1026 Chromium (VI). A safety triprod, cable, or wire center cord shall be provided across each pair of in-running rolls extending the length of the face of the rolls. 1910.161 Fixed extinguishing systems, dry chemical. (1) Forging means the product of work on metal formed to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. The top rods shall be not more than 72 inches above the level on which the operator stands. (ii) 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. (2) Arbors and mandrels shall be constructed so as to have firm and secure bearing and be free from play. (4) Openings for oiling. (5) Sharpening or tensioning of saw blades or cutters shall be done only by persons of demonstrated skill in this kind of work. Table O-9 - Minimum Basic Thicknesses of Peripheral and Side Members for Safety Guards. 2. Flexible steel band brakes do not possess a long-term reliability against structural failure as compared to other types of brakes, and therefore are not acceptable on presses used in the PSDI mode of operation. (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. ), Wherever the nature of the work requires contact with the wheel below the horizontal plane of the spindle, the exposure shall not exceed 125. If a hearing is requested, it shall be held before an administrative law judge of the Department of Labor pursuant to the rules specified in 29 CFR part 1905, subpart C. c. The parties shall be OSHA and the recognized validation organization. The guard shall be constructed of heavy material, preferably metal, and firmly secured to the frame carrying the rolls so as to remain in adjustment for any thickness of stock. b. When the periphery of the blades of a fan is less than seven (7) feet above the floor or working level, the blades shall be guarded. 2. For the purpose of demonstrating compliance with the reaction time required by 1910.217(h), the tests shall use the following definitions and requirements: a. OSHA Safety Training PowerPoints - EHS Safety News America 1910.140 Personal fall protection systems. (3) Scrap handling. (c) Safeguarding the point of operation -. (1) Keys. The safety guard shall cover the spindle end, nut, and flange projections. A recognized validation organization may renew its recognition by filing a renewal request at the address in paragraph I.A.3. Dimensions of such flanges shall never be less than indicated. If the preliminary decision is in favor of recognition, a member of the public, or if the preliminary decision is against recognition, the applicant may request a public hearing by the close of the comment period, if it supplies detailed reasons and evidence challenging the basis of the Assistant Secretary's preliminary decision and justifying the need for a public hearing to bring out evidence which could not be effectively supplied through written submissions. The maximum exposure angles specified in paragraphs (b) (3) through (8) of this section shall not be exceeded. (14) Holdout or restraint device means a mechanism, including attachments for operator's hands, that when anchored and adjusted prevent the operator's hands from entering the point of operation. 1. 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. They shall be located in front of the saw and so arranged as to be in continual contact with the wood being fed. (iv) A PSDI set-up/reset means shall be provided which requires an overt action by the operator, in addition to PSDI mode selection, before operation of the press by means of PSDI can be started. There are other general safety precautions which should be followed by everyone even if they dont work directly with conveyors. 1910.1201 Retention of DOT markings, placards and labels. Gears shall be guarded in accordance with one of the following methods: Hand-operated gears. Bolts, nuts, and setscrews will, however, be permitted where they are covered with safety sleeves or where they are used parallel with the shafting and are countersunk or else do not extend beyond the flange of the coupling. (14) Abrasive wheel means a cutting tool consisting of abrasive grains held together by organic or inorganic bonds. In addition, the brake monitor shall be adjusted during installation certification to prevent successive stroking of the press if increases in stopping time cause an increase in the safety distance above that required by paragraph (h)(9)(v) of this section. (11) Safety system certification/validation. The validation organization shall assign overall responsibility for the validation of PSDI certification to an Administrative Director. 1910.3 Petitions for the issuance, amendment, or repeal of a standard. (x) Hand tools. (15) Organic wheels means wheels which are bonded by means of an organic material such as resin, rubber, shellac, or other similar bonding agent. 653, 655, 657; Secretary of Labor's Order No. 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. The employer shall provide clearance between machines so that movement of one operator will not interfere with the work of another. Structural steel (min. (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. (1) Minimum requirements. (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. (xiii) The clutch/brake control shall automatically deactivate in event of failure of the power or pressure supply for the clutch engaging means. 3. 1910.1008 bis-Chloromethyl ether. 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. Comments or questions about document content can not be answered by OFR staff. (i) Standard conditions shall be secured by the use of the following materials. 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. 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. Side grinding wheel having a diameter, thickness and hole with one side straight or flat and the opposite side recessed. 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). (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. (ii) The motor start button shall be protected against accidental operation. contact the publishing agency. (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.