osha conveyor safety 1910

OSHA intends that PSDI continue to be prohibited where present state-of-the-art technology will not allow it to be done safely. (v) The PSDI mode of operation shall be used only for normal production operations. 1910.1002 Coal tar pitch volatiles; interpretation of term. (1) Flywheels. (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. Dp = Penetration depth factor, required to provide for possible penetration through the presence sensing field by fingers or hand before detection occurs. 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. These records shall be available for inspection by OSHA and OSHA State Plan offices. (vii) Material handling equipment shall be of adequate strength, size, and dimension to handle diesetting operations safely. Appendix C to Subpart T of Part 1910Alternative Conditions Under 1910.401(a)(3) for Recreational Diving Instructors and Diving Guides (Mandatory). (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. Search & Navigation (ii) Where speeds above 250 feet per minute as measured on the surface of the drive roll are used, stopping distances of more than 134 percent are permissible. (7) Circular saw gages shall be so constructed as to slide in grooves or tracks that are accurately machined, to insure exact alignment with the saw for all positions of the guide. (5) Saw frames or tables shall be constructed with lugs cast on the frame or with an equivalent means to limit the size of the saw blade that can be mounted, so as to avoid overspeed caused by mounting a saw larger than intended. 49 CFR 172.101 Where a disk is used, the keys or other dangerous projections not covered by disk shall be cut off or covered. switch to drafting.ecfr.gov. 1910.1010 Benzidine. These guards shall cover at least the unused part of the periphery of the cutting head. The recognition of each validation organization will be valid for five years, unless terminated before or renewed after the expiration of the period. All drip cups and pans shall be securely fastened. 1910.333 Selection and use of work practices. 1. (50) Single stroke mechanism means an arrangement used on a full revolution clutch to limit the travel of the slide to one complete stroke at each engagement of the clutch. 1910.125 Additional requirements for dipping and coating operations that use flammable liquids or liquids with flashpoints greater than 199.4 F (93 C). 1910.120 Hazardous waste operations and emergency response. Control elements shall be checked for correct status after power on and before the initial PSDI stroke. Similarly, only presses with a configuration such that a person's body cannot completely enter the bed area are approved for PSDI. (10) Material requirements and minimum dimensions. d. When one year has elapsed since the installation certification/validation or the last recertification/revalidation. The cleaning chamber shall have doors or guards to protect operators. (v) A covered container shall be provided to store dross skimmings. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. The guard shall have openings no larger than one-half (12) inch. 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. 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. 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. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. Guarding Floor and Wall Openings and Holes OSHA Standard 1910.23 2 Overview This is a condensation of Standard 1910.23 of the Occupational Safety and Health Act. Bearings shall be kept in alignment and properly adjusted. b. 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. If no exceptions are filed, this is the final decision of the Department of Labor. If such a guard is constructed of sheet metal, the material used shall be not less than one-sixteenth inch in thickness; and if cast iron is used, it shall not be less than three-sixteenths inch in thickness. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. Without hearing. 2. The certification/validation report shall include the following: b. 2. 1910.4 Amendments to this part. There are other general safety precautions which should be followed by everyone even if they dont work directly with conveyors. (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. In lieu of such yielding sectional rolls, suitable section kickback finger devices shall be provided at the infeed end. (3) Guards for horizontal overhead belts. (2) Rivet making. The approval of brake monitor adjustments, as required in paragraph (h)(5)(ii), is not considered a recertification, and does not necessarily involve an on-site inspection by a representative of the validation organization. (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. All points not readily accessible shall have oil feed tubes if lubricant is to be added while machinery is in motion. 1910.122 Table of contents. (13) Gate or movable barrier device means a movable barrier arranged to enclose the point of operation before the press stroke can be started. 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. 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. 10. If they sound cracked (dead), they shall not be used. (54) Stroking selector means the part of the clutch/brake control that determines the type of stroking when the operating means is actuated. (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 maximum angular exposure of the grinding wheel periphery and sides for safety guards used on machines known as swing frame grinding machines shall not exceed 180, and the top half of the wheel shall be enclosed at all times. Hand feeding tools are not a point of operation guard or protection device and shall not be used in lieu of the guards or devices required in this section. (1) Feed rolls of self-feed sanding machines shall be protected with a semicylindrical guard to prevent the hands of the operator from coming in contact with the in-running rolls at any point. (viii) Supplemental safeguarding shall be used to protect all areas of access to the point of operation which are unprotected by the PSDI presence sensing device. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. (o) Profile and swing-head lathes and wood heel turning machine. (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. (41) Knockout means a mechanism for releasing material from either die. Shall be free of operational control and influence of manufacturers, suppliers, vendors, employers, or employee representatives that would impair its integrity of performance; and. A. Certification/validation of hardware design below the system level should be accomplished by test and/or analysis. 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. The diameter of circular shaper guards shall be not less than the greatest diameter of the cutter. (See Figures O-8 and O-9. Nonmandatory supplementary information and guidelines relating to certification/validation of the PSDI safety system are provided to appendix B to this standard. 1910.242 Hand and portable powered tools and equipment, general. (9) Flanges means collars, discs or plates between which wheels are mounted and are referred to as adaptor, sleeve, or back up type. Minimum requirements. 1910.67 Vehicle-mounted elevating and rotating work platforms. If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. The employer shall provide clearance between machines so that movement of one operator will not interfere with the work of another. (29) Manual feeding means feeding wherein the material or part being processed is handled by the operator on each stroke of the press. (iii) Types 16, 17, 18, 18R, and 19 cones, plugs, and threaded hole pot balls where the work offers protection. 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. (ii) Where explosives, explosive dusts, flammable vapors or flammable liquids exist, the hazard of static sparks from shafting shall be carefully considered. 1910.15 Shipyard employment. 1910.120 Hazardous waste operations and emergency response. Dimensions of such flanges shall never be less than indicated. (1) Safety trip control. Steam hammers shall be provided with a means of cylinder draining, such as a self-draining arrangement or a quick-acting drain cock. (i) Blotters (compressible washers) shall always be used between flanges and abrasive wheel surfaces to insure uniform distribution of flange pressure. 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.

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