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. 1910.163 Fixed extinguishing systems, water spray and foam. (2) Safety trip, side. (9) Repairs and maintenance. b. (d) Fluid compatability with other materials, (d) Material stress tolerances and limits, (e) Stability to long term power fluctuations, (g) Repeatability of measured parameter without inadvertent initiation of a press stroke, (h) Operational life of components in cycles, hours, or both, (1) Specific operational wave lengths; and. (5) Excluded machines. (2) Type 2 cylinder wheels means wheels having diameter, wheel thickness, and rim thickness dimensions. (ix) A scale guard of substantial construction shall be provided at the back of every press, so arranged as to stop flying scale. Nonmandatory supplementary information and guidelines relating to certification/validation of the PSDI safety system are provided to appendix B to this standard. (7) Machines using part revolution clutches. 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. 1910.272 Grain handling facilities. will also bring you to search results. It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. (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. (vii) Material handling equipment shall be of adequate strength, size, and dimension to handle diesetting operations safely. (b) 12-inch diameter wheel, 1,000 revolutions per minute. [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. In all other industries, wood guards shall not be used. Class 20. 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. Subscribe to: Changes in Title 29 :: Subtitle B :: Chapter XVII :: Part 1910 :: Subpart O. (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 only if evidence of failure to meet the requirements of this appendix is supplied to OSHA. b. (eg: The adaptor nut which is less than the minimum one-third diameter of wheel fits in the depressed side of wheel to prevent interference in side grinding and serves to drive the wheel by its clamping force against the depressed portion of the back flange. (iii) A label shall be affixed to the press as part of each installation certification/validation and the most recent recertification/revalidation. Showing movable guard with opening small enough to give required protection for smallest size wheel used. (30) Foot control means the foot operated control mechanism designed to be used with a clutch or clutch/brake control system. A recognized validation organization may apply to OSHA for an expansion of its current recognition to cover other categories of PSDI certification/validation in addition to those included in the current recognition. An application may be revised by an applicant at any time prior to the completion of the final staff recommendation. 7, 1996; 69 FR 31882, June 8, 2004; 76 FR 80739, Dec. 27, 2011; 77 FR 46949, Aug. 7, 2012; 78 FR 69550, Nov. 20, 2013]. (ii) Maximum hole size for cutting-off wheels should not be larger than 14-wheel diameter. user convenience only and is not intended to alter agency intent c. The manufacturer shall specify the test requirements and procedures from existing consensus tests in compliance with the provisions of the National Electrical Code. (5) Ripping and ploughing shall be against the direction in which the saw turns. An OSHA catwalk serviced by a stairway is a type of stair landing. (5) Power-driven guillotine veneer cutters, except continuous feed trimmers, shall be equipped with: (i) Starting devices which require the simultaneous action of both hands to start the cutting motion and of at least one hand on a control during the complete stroke of the knife; or. (1) Guarding. (2) Instruction to operators. (i) Each continuous line of shafting shall be secured in position against excessive endwise movement. Upon request, the employer must make available to that office all tests and analyses for OSHA review. 1910.181 Derricks. 1910.133 Eye and face protection. 1. 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. 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. Employees are also encouraged to pay close attention to work pieces that have slots or other surface profiles that may increase the risk of entanglement. (2) Lockouts. (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).). (a) When used in press operations requiring more than one operator, separate two hand trips shall be provided for each operator, and shall be designed to require concurrent application of all operators' to activate the slide. 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. a. (3) Finish and balance. Clutches, cutoff couplings, or clutch pulleys having projecting parts, where such clutches are located seven (7) feet or less above the floor or working platform, shall be enclosed by a stationary guard constructed in accordance with this section. (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. 5. Reaction Times. (3) Guarding vertical and inclined shafting. Machine Safety Standards | UL Solutions All foot operated devices (i.e., treadles, pedals, bars, valves, and switches) shall be substantially and effectively protected from unintended operation. (7) All cracked saws shall be removed from service. 1910.132 General requirements. (2) Each self-feed circular ripsaw shall be provided with sectional non-kickback fingers for the full width of the feed rolls. 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. (2) Boring bits should be provided with a guard that will enclose all portions of the bit and chuck above the material being worked. If made of pipe, the post shall be one and one-fourth (114) inches inside diameter, or larger. The spreader shall be attached so that it will remain in true alignment with the saw even when either the saw or table is tilted. The midrail may be one by four (1 x 4) inches or more. The validation organization or validating laboratory shall maintain a record of each certification/validation of a PSDI safety system, including manufacturer and/or employer certification documentation, test and working data, test report, certification/validation report, any follow-up inspections or testing, and reports of equipment failures, any reports of accidents involving the equipment, and any other pertinent information. (viii) Number of operators required for the operation and the number of operators provided with controls and safeguards. March 1, 2022 | Occupational Safety and Health Administration contact the publishing agency. Unless a 6-foot 6-inch headroom clearance is provided, employees shall not be permitted to pass under conveyors. 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. Copyright OSHA Safety Manuals | All Rights Reserved, Care For Your Half-Mask Air-Purifying Respirator, Cold Weather Hazards Of Propane Fueled Vehicles, Machine Safety- Requirements For Safeguards, IIPP Injury and Illness Prevention Program. 1910.95 Occupational noise exposure. The safety factor and/or derated percentage shall be specifically noted and complied with. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 43 FR 51760; Nov. 7, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9227, March 7, 1996; 69 FR 31882, June 8, 2004], Occupational Safety & Health Administration. 1910.144 Safety color code for marking physical hazards. (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. OSHA Basics: OSHA's Parts 1910 and 1926 ; OSHA Basics: How OSHA Standards are Named and Numbered; OSHA Basics: Incorporation by Reference (IBR) OSHA Basics: The OSHA Field Operations Manual; OSHA Basics: OSHA's Small Business Handbook ; OSHA Basics: The General Duty Clause-5. will bring you to those results. Appendix D to Subpart L of Part 1910Availability of Publications Incorporated by Reference in Section 1910.156 Fire Brigades (13) Cutting off wheels means wheels having diameter thickness and hole size dimensions and are subject to all limitations of mounting and use listed for type 1 wheels, the definition in subparagraph (1) of this paragraph and paragraph (d) of 1910.215. The stroking selector generally includes positions for Off (Clutch Control), Inch, Single Stroke, and Continuous (when Continuous is furnished). a. In powerplants only the lower run of the belt need be guarded. (iii) Toeboards shall be four (4) inches or more in height, of wood, metal, or of metal grill not exceeding one (1) inch mesh. (47) Repeat means an unintended or unexpected successive stroke of the press resulting from a malfunction. (8) Surface feet per minute (s.f.p.m.) On both sides of the calender and near each end of the face of the roll, there shall be a cable or wire center cord connected to the safety trip. 1910.306 Specific purpose equipment and installations. This subdivision does not apply to flywheels with solid web centers. If made of metal shapes or bars, their section shall be equal in strength to that of one and one-half (112) by one and one-half (112) by three-sixteenths (316) inch angle iron. If the frame of the belt shifter does not adequately guard the nip point of the belt and pulley, the nip point shall be further protected by means of a vertical guard placed in front of the pulley and extending at least to the top of the largest step of the cone. 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. Collars. (8) The practice of inserting wedges between the saw disk and the collar to form what is commonly known as a wobble saw shall not be permitted. 7, 1996]. After hearing. (4) Guide post hazard. (3) Shoe last and spoke lathes, doweling machines, wood heel turning machines, and other automatic wood-turning lathes of the rotating knife type shall be equipped with hoods enclosing the cutter blades completely except at the contact points while the stock is being cut. Final decision by Assistant Secretary - a. guide. We're always open to new suggestions on safety training topics you'd like to see! (1) Each profile and swing-head lathe shall have all cutting heads covered by a metal guard. 1910.176 Handling materialsgeneral. Appendix to Subpart E of Part 1910Exit Routes, Emergency Action Plans, and Fire Prevention Plans, Subpart FPowered Platforms, Manlifts, and Vehicle-Mounted Work Platforms. (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. (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. The recognition of any validation organization will be evidenced by a letter of recognition from OSHA. Where guard is exposed to contact with moving equipment additional strength may be necessary. (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. Surface Feet per minute .262 12 1,000 = 3,144 s.f.p.m. 3. Prior to use, both the employer and manufacturer must certify that these requirements and all the other applicable requirements of this section are met and these certifications must be validated by an OSHA-recognized third-party validation organization to meet these additional requirements and all the other applicable requirements of paragraphs (a) through (h) and appendix A of this section. (ii) The ram shall be blocked with a material the strength of which shall meet or exceed the specifications or dimensions shown in Table O-11. Where the operator feeds or removes parts by placing one or both hands in the point of operation, and a two hand control, presence sensing device, Type B gate or movable barrier (on a part revolution clutch) is used for safeguarding: (i) The employer shall use a control system and a brake monitor which comply with paragraphs (b) (13) and (14) of this section; (ii) The exception in paragraph (b)(7)(v)(d) of this section for two hand controls manufactured and installed before August 31, 1971 is not applicable under this paragraph (c)(5); (iii) The control of air clutch machines shall be designed to prevent a significant increase in the normal stopping time due to a failure within the operating valve mechanism, and to inhibit further operation if such failure does occur, where a part revolution clutch is employed. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. Side grinding wheel having a wall flared or tapered outward from the back. See Table O-10. The following terms and conditions shall be part of every recognition: a. Tail rods or extension piston rods shall be guarded in accordance with paragraphs (m) and (o) of this section, or by a guardrail on sides and end, with a clearance of not less than fifteen (15) nor more than twenty (20) inches when rod is fully extended. (i) Limitations: Special supporting, back adapter and inside flange nuts are required for the proper mounting of these types of wheels subject to limitations of 1910.215(c)(4) (i) and (ii). 1. The objective of the certification/validation program is to demonstrate and document that the system satisfies specification and operational requirements for safe operations. It is free of direct influence or control by manufacturers, suppliers, vendors, representatives of employers and employees, and employer or employee organizations; and. 49 CFR 172.101 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. They allow workers to reduce the amount of materials handled manually thereby increasing work capacity and production output. Where clamp caps or setscrews are used in conjunction with punch stems, additional means of securing the upper shoe to the slide shall be used. (ii) Employee's name, injury sustained, and the task being performed (operation, set-up, maintenance, or other). Shafting under bench machines shall be enclosed by a stationary casing, or by a trough at sides and top or sides and bottom, as location requires. (39) Inch means an intermittent motion imparted to the slide (on machines using part revolution clutches) by momentary operation of the Inch operating means. ), (9) Exposure adjustment. OSHA Regulations on Long Hair Around Machinery - Career Trend This exception also is referred to as the "minor servicing exception." Such stresses shall not so affect the control system as to cause unsafe operation. (3) Work area. (2) Hydraulic forging presses. 1 Flanges shall be of steel, quality SAE 1040 or equivalent, annealed plate, heat treated to R. 25-30. If you need more than just a PowerPoint, be sure to hop over to . (ix) The control design shall preclude any movement of the slide caused by operation of power on, power off, or selector switches, or from checks for proper operations as required by paragraph (h)(6)(xiv) of this section. Type 28 wheels have saucer shaped grinding rims. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. (58) Unitized tooling means a type of die in which the upper and lower members are incorporated into a selfcontained unit so arranged as to hold the die members in alignment. The manufacturer shall design a test(s) to establish the hand tool extension diameters allowed for variations in minimum object sensitivity response. D. Similarity analysis may be used in lieu of tests where it can be shown that the article is similar in design, manufacturing process, and quality control to another article that was previously certified/validated in accordance with equivalent or more stringent criteria. The upper-wheel guard shall be made to conform to the travel of the saw on the wheel. (2) On machines driven by belts and shafting, a locking-type belt shifter or an equivalent positive device shall be used. OSHA Requirements: Machine Guarding - Grainger KnowHow Crossing Over Conveyors Safely Surface Feet Per Minute = 3.1416 diameter in inches r.p.m. There shall be no rough surfaces or sharp edges. Provide employees with the right battery handling equipment. Suitable reinforcement shall be provided for the ceiling rafters or overhead floor beams, where such is necessary, to sustain safely the weight and stress likely to be imposed by the guard. (2) through (4) of this appendix except that the burden of proof shall be on OSHA to demonstrate by a preponderance of the evidence that the recognition should be revoked because the validation organization either is not meeting the requirements for recognition, has not been performing the validation functions required by the PSDI standard and appendix A, or has misrepresented itself in its applications. The failure of a critical component shall necessitate the removal of the safety system from service until it is recertified and revalidated, except recertification by the employer without revalidation is permitted when a non-critical component or subsystem is replaced by one of the same manufacture and design as the original, or determined by the third-party validation organization to be equivalent by similarity analysis, as set forth in appendix A. Instructions for use of the test rod shall be noted on a label affixed to the presence sensing device. 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. Rivet making with less than 1-inch diameter is usually a cold forging operation, and therefore not included in this subpart. 1910.1011 4-Aminodiphenyl. 1910.37 Maintenance, safeguards, and operational features for exit routes. ), (7) Automatic snagging machines. Regulations Respecting Occupational Health and Safety, Decree 885-2001, 5-2.1, r.19.01, July 2001. - Occupational Safety and Health Administration, Department of Labor, - Occupational Safety and Health Standards, 1910.214 Cooperage machinery. 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. (64) Certification or certify means, in the case of design certification/validation, that the manufacturer has reviewed and tested the design and manufacture, and in the case of installation certification/validation and annual recertification/revalidation, that the employer has reviewed and tested the installation, and concludes in both cases that the requirements of 1910.217 (a) through (h) and appendix A have been met. 1910.242 Hand and portable powered tools and equipment, general. Where a disk is used, the keys or other dangerous projections not covered by disk shall be cut off or covered. Materials should be placed on the conveyor so that they will ride safely. 1910.3 Petitions for the issuance, amendment, or repeal of a standard. (iii) The band shall be of sufficient width and its position kept so adjusted that at no time will the wheel protrude beyond the edge of the band a distance greater than that indicated in Figure O-29 and in Table O-2 or the wall thickness (W), whichever is smaller. 1910.219 Mechanical power-transmission apparatus. (6) Each operating treadle shall be protected against unexpected or accidental tripping. 1910.1043 Cotton dust. 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. The upper hood shall be constructed in such a manner and of such material that it will protect the operator from flying splinters, broken saw teeth, etc., and will deflect sawdust away from the operator. 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.

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