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(4) Overloading. f. The applicant shall certify that the information submitted is accurate. (v) For cutting-off wheels larger than 16 inches diameter and where speed does not exceed 14,200 surface feet per minute, safety guards as specified in Figures O-27 and O-28, and in Table O-1 shall be used. 1910.1200 Hazard communication. Navigate by entering citations or phrases In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. If workers need to cross over a conveyor, OSHA has specific requirements for both Construction and Marine applications of Conveyor Crossovers. Such stresses shall not so affect the control system as to cause unsafe operation. (1) Mechanical forging presses. A. Certification/validation of hardware design below the system level should be accomplished by test and/or analysis. The materials and dimensions specified in this paragraph shall apply to all guards, except horizontal overhead belts, rope, cable, or chain guards more than seven (7) feet above floor, or platform. Surface Feet Per Minute = 3.1416 diameter in inches r.p.m. (i) Standard conditions shall be secured by the use of the following materials. (a) As used in 1910.213 and 1910.214 unless the context clearly requires otherwise, the following woodworking machinery terms shall have the meaning prescribed in this paragraph. Examples: board hammers and air-lift hammers. The validation organization's validating laboratory shall have available all testing facilities and necessary test and inspection equipment relevant to the validation of the certification of PSDI safety systems, installations and operations. 1910.303 General. Dimensions of such adaptor flanges shall never be less than indicated. The Type 27 A Wheel is mounted between flat non-relieved flanges of equal bearing surfaces. The manufacturer's recommended procedures for maintenance and inspection should be closely followed. (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. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. Safety Standard for Guarding of Machinery and Mechanical Power Transmission Apparatus. (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. 1910.21 Scope and definitions. The test(s) shall document the range of object diameter sizes which will produce both single and double break conditions. (iv) The pull-out device shall protect the operator as specified in paragraph (c)(3)(i)(b) of this section, and shall include attachments for each of the operator's hands. (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. (6) Emphasis is placed upon the importance of maintaining cleanliness around woodworking machinery, particularly as regards the effective functioning of guards and the prevention of fire hazards in switch enclosures, bearings, and motors. 553. 1910.29 Fall protection systems and falling object protectioncriteria and practices. The table throat opening shall be not more than 212 inches when tables are set or aligned with each other for zero cut. One or more methods of machine guarding shall be provided to protect the operator and other employees in the machine area from hazards such as those created by point of operation, ingoing nip points, rotating parts, flying chips and sparks. If it so determines, it shall validate the employer's certification that the PSDI safety system is in full conformance with all requirements of 29 CFR 1910.217(a) through (h) and this appendix A. Inch is a function used by the die setter for setup of dies and tooling, but is not intended for use during production operations by the operator. A. (v) The safety distance (Ds) from the sensing field of the presence sensing device to the point of operation shall be greater than or equal to the distance determined by the formula: Hs = Hand speed constant of 63 inches per second (1.6 m/s). (m) Standard guards - general requirements -. (ix) Barriers shall be fixed to the press frame or bolster to prevent personnel from passing completely through the sensing field, where safety distance or press configuration is such that personnel could pass through the PSDI presence sensing field and assume a position where the point of operation could be accessed without detection by the PSDI presence sensing device. 1910.140 Personal fall protection systems. (See Figures O-18, O-19, O-20, O-21, O-22, and O-23.). (28) Semiautomatic feeding means feeding wherein the material or part being processed is placed within or removed from the point of operation by an auxiliary means controlled by operator on each stroke of the press. 29 U.S.C. 1910.111 Storage and handling of anhydrous ammonia. 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. (i) Both flanges, of any type, between which a wheel is mounted, shall be of the same diameter and have equal bearing surface. Every steam or airhammer shall have a safety cylinder head to act as a cushion if the rod should break or pullout of the ram. Flanges shall be dimensionally accurate and in good balance. (1) Types of guarding. The work rest shall be securely clamped after each adjustment. (4) Openings for oiling. (3) Each hand-fed circular ripsaw shall be provided with nonkickback fingers or dogs so located as to oppose the thrust or tendency of the saw to pick up the material or to throw it back toward the operator. 1910.309-1910.330 [Reserved], 1910.331 Scope. 1. . The guard for the portion of the blade between the sliding guide and the upper-saw-wheel guard shall protect the saw blade at the front and outer side. (ii) The safety system shall be designed, constructed, and arranged as an integral total system, including all elements of the press, the controls, the safeguarding and any required supplemental safeguarding, and their interfaces with the operator and that part of the environment which has effect on the protection against point of operation hazards. It shall be the responsibility of any person modifying a power press to furnish instructions with the modification to establish new or changed guidelines for use and care of the power press so modified. (25) Face of slide means the bottom surface of the slide to which the punch or upper die is generally attached. Mills and calenders in the rubber and plastics industries. 8. 1910.101 Compressed gases (general requirements). Analysis: We suggest conveyor safety nets and other safe guards for overhead conveyors, even those with relatively light loads, unless the conveyor is guarded by location. Conduct or recertification/revalidation. (iii) Air-lift hammers shall be provided with two drain cocks: one on main head cylinder, and one on clamp cylinder. Conveyor Safety - HSI Gears. b. Employees are required to cover and protect long hair to prevent it from getting caught in machine parts such as belts, chain and rotating parts. 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. (1) Each planing, molding, sticking, and matching machine shall have all cutting heads, and saws if used, covered by a metal guard. Presses whose designs incorporate flywheels running on journals on the crankshaft or back shaft, or bull gears running on journals mounted on the crankshaft, shall be inspected, lubricated, and maintained as provided in paragraph (h)(10) of this section to reduce the possibility of unintended and uncontrolled press strokes caused by bearing seizure. (ii) All major assemblies and fittings which can loosen and fall shall be properly secured in place. Reactivation of the clutch shall require restoration of normal air supply and use of the tripping mechanism(s). To avoid electric shock or electrocution, all equipment must be properly wired and grounded according to electrical codes. 1910.252 General requirements. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. (ii) If operating speed does not exceed 8,000 surface feet per minute cast iron safety guards, malleable iron guards or other guards as described in paragraph (b)(10)(iii) of this section shall be used. The test results shall provide the engineering data necessary to establish confidence that the hardware and software will meet specifications, the manufacturing process has adequate quality control and the data acquired was used to establish processes, procedures, and test levels supporting subsequent hardware design, production, installation and maintenance. from the floor or platform may be guarded with a disk covering the spokes. They move large amounts of materials quickly and safely. 1910.26 Dockboards. (2) Arbor size. 2. 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. Bearings and facilities for oiling. (7) Feeder attachments shall have the feed rolls or other moving parts so covered or guarded as to protect the operator from hazardous points. 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 . (2) Belt shifter means a device for mechanically shifting belts from tight to loose pulleys or vice versa, or for shifting belts on cones of speed pulleys. (2) Veneer clippers shall have automatic feed or shall be provided with a guard which will make it impossible to place a finger or fingers under the knife while feeding or removing the stock. (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. Industrial/MRO/Safety; Safety & Security; Personal Protective Equipment (PPE) . (9) All belts, pulleys, gears, shafts, and moving parts shall be guarded in accordance with the specific requirements of 1910.219. (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. If you would like to comment on the current content, please use the 'Content Feedback' button below for instructions on contacting the issuing agency. The manufacturer shall design a set of integrated tests to demonstrate compliance with the following requirements: Sections 1910.217(h)(6) (ii); (iii); (iv); (v); (vi); (vii); (viii); (ix); (xi); (xii); (xiii); (xiv); (xv); and (xvii). Preliminary approval. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. (b) A Type B gate or movable barrier device shall protect the operator in the manner specified in paragraph (c)(3)(i)(g) of this section. 7, 1996; 69 FR 31882, June 8, 2004]. (The operational and installation requirements of the PSDI safety system may vary for different applications.). 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. (5) Power-transmission apparatus located in basements. OSHA has two standards specific to conveyors, its 1910 standard applying to general industry. (c) If belt is eight (8) inches or more in width. 1910.36 Design and construction requirements for exit routes. (i) Straight relieved flanges made according to Table O-6 and Figure O-32 shall be recessed at least one-sixteenth inch on the side next to the wheel for a distance as specified in Table O-6. (iii) The brake monitor setting shall allow an increase of no more than 10 percent of the longest stopping time for the press, or 10 milliseconds, whichever is longer, measured at the top of the stroke. (44) Pinch point means any point other than the point of operation at which it is possible for a part of the body to be caught between the moving parts of a press or auxiliary equipment, or between moving and stationary parts of a press or auxiliary equipment or between the material and moving part or parts of the press or auxiliary equipment. (ii) In powerplants or power-development rooms, a guardrail may be used in lieu of the guard required by subdivision (i) of this subparagraph. Limitation: These wheels shall be mounted only with a special tapered flange. 4. 1910.440 Recordkeeping requirements. 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. (2) Guard exposure angles. (iii) Special handtools for placing and removing material shall be such as to permit easy handling of material without the operator placing a hand in the danger zone. The triprods shall be accessible and shall operate readily whether the rods are pushed or pulled. 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. (ii) Maximum hole size for cutting-off wheels should not be larger than 14-wheel diameter. b. 1910.1009 beta-Naphthylamine. Appendices to Subpart L of Part 1910Note (13) Revolving double arbor saws shall be fully guarded in accordance with all the requirements for circular crosscut saws or with all the requirements for circular ripsaws, according to the kind of saws mounted on the arbors. 1910.213 Woodworking machinery requirements. All trip and emergency switches shall not be of the automatically resetting type, but shall require manual resetting. (iv) All a.c. control circuits and solenoid value coils shall be powered by not more than a nominal 120-volt a.c. supply obtained from a transformer with an isolated secondary. (12) Pressure vessels. (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. [39 FR 23502, June 27, 1974, as amended at 49 FR 5323, Feb. 10, 1984; 51 FR 34561, Sept. 29, 1986; 61 FR 9240, Mar. (o) Profile and swing-head lathes and wood heel turning machine. 1910.145 Specifications for accident prevention signs and tags. The validation organization or validating laboratory shall have a follow-up system for inspecting or testing manufacturer's production of design certified/validated PSDI safety system components and subassemblies where deemed appropriate by the validation organization. The mark or logo shall be suitable for incorporation into the label required by paragraph (h)(11)(iii) of this section. (v) Tongs shall be of sufficient length to clear the body of the worker in case of kickback, and shall not have sharp handle ends. OSHA Safety Training PowerPoints - EHS Safety News America (A) The manufacturer's recommended test procedures for checking operation of the presence sensing device. (1) Inspection and maintenance records. 1910.67 Vehicle-mounted elevating and rotating work platforms. (4) Reconstruction and modification. All metal should be free from burrs and sharp edges.
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