broken springs). Compliance with 1910.217(h)(9)(iv). 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. (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. All dies shall be: (i) Stamped with the tonnage and stroke requirements, or have these characteristics recorded if these records are readily available to the die setter; (ii) Stamped to indicate upper die weight when necessary for air counterbalance pressure adjustment; and. 5. (5) Additional requirements for safe-guarding. By a standard guard as described in paragraph (o) of this section, at least seven (7) feet high extending six (6) inches above the mesh point of the gears; or. How someone is dressed loose clothing, long hair, and jewelry when working on or around conveyors can present the risk of conveyor entanglement. Each continuous line of shafting shall be secured in position against excessive endwise movement. You can learn more about the process (3) Each hand-fed jointer with a horizontal cutting head shall have an automatic guard which will cover all the section of the head on the working side of the fence or gage. The stopping time measurements should be made with the heaviest upper die that is planned for use in the press. If the safeguard is not described in this section, give a complete description. 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. (65) Validation or validate means for PSDI safety systems that an OSHA recognized third-party validation organization: (i) For design certification/validation has reviewed the manufacturer's certification that the PSDI safety system meets the requirements of 1910.217 (a) through (h) and appendix A and the underlying tests and analyses performed by the manufacturer, has performed additional tests and analyses which may be required by 1910.217 (a) through (h) and appendix A, and concludes that the requirements of 1910.217 (a) through (h) and appendix A have been met; and. Type 11 wheels are subject to all limitations of use and mounting listed for type 6 straight sided cup wheels definition. OSHA in the Battery Room Part Two: OSHA 1910.178(g) 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.) If the supplemental guards are moved, the presence sensing device would become misaligned and the press control would be deactivated. (PDF) Best Practices on Conveyor Safety - ResearchGate In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. b. If workers need to cross over a conveyor, OSHA has specific requirements for both Construction and Marine applications of Conveyor Crossovers. Requirements for recognition. (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. (9) Push sticks or push blocks shall be provided at the work place in the several sizes and types suitable for the work to be done. 1910.132 General requirements. (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. (iv) Cylinders, cups, or segmental wheels that are mounted in chucks. Displaying title 29, up to date as of 3/02/2023. When refacing or truing, care shall be exercised to make sure that proper relief and rigidity is maintained as specified in paragraphs (c) (2) and (5) of this section and they shall be replaced when they do not conform to these subparagraphs and Table O-4, Figure O-30, Table O-5, Figure O-31, Table O-6, Figure O-32, and Table O-8, Figure O-35. This exception also is referred to as the "minor servicing exception." Appendix B to Subpart T of Part 1910Guidelines for Scientific Diving (5) Excluded machines. The mark or logo shall be suitable for incorporation into the label required by paragraph (h)(11)(iii) of this section. Side grinding wheel having a wall flared or tapered outward from the back. (18) Die means the tooling used in a press for cutting or forming material. The OSHA-recognized third-party validation organization shall conduct tests, and/or review and evaluate the employer's installation tests, documentation and representations. (iii) The pedal return spring(s) shall be of the compression type, operating on a rod or guided within a hole or tube, or designed to prevent interleaving of spring coils in event of breakage. An OSHA catwalk serviced by a stairway is a type of stair landing. Other Safety Resources - CEMA [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. (9) Flanges means collars, discs or plates between which wheels are mounted and are referred to as adaptor, sleeve, or back up type. Subpart O - Machinery and Machine Guarding. (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. (iv) Overhead chain and link belt drives are governed by the same rules as overhead horizontal belts and shall be guarded in the same manner as belts. (3) Bench and floor stands. By a band guard covering the face of gear and having flanges extended inward beyond the root of the teeth on the exposed side or sides. (f) Certain Type 1 and Type 27A cutting-off wheels. Band type guards shall conform to the following general specifications: (i) The bands shall be of steel plate or other material of equal or greater strength. It is expected that the brake monitor adjustment normally could be evaluated on the basis of the effect on the safety system certification/validation documentation retained by the validation organization. (b) 12-inch diameter wheel, 1,000 revolutions per minute. Preliminary approval. (3) The top of the cutting chain and driving mechanism shall be enclosed. 1910.217 Mechanical power presses. A recognized validation organization may renew its recognition by filing a renewal request at the address in paragraph I.A.3. The manufacturer shall design a test(s) to establish the hand tool extension diameters allowed for variations in minimum object sensitivity response. This responsibility includes: (i) Establishing periodic and regular maintenance safety checks and keeping certification records of these inspections which include the date of inspection, the signature of the person who performed the inspection and the serial number, or other identifier, for the forging machine which was inspected. (4) Guide post hazard. Appendix C to Subpart T of Part 1910Alternative Conditions Under 1910.401(a)(3) for Recreational Diving Instructors and Diving Guides (Mandatory). (v) The route followed by the oiler is protected in such manner as to prevent accident. Demonstration of a thorough inspection of the entire press and PSDI safety system to ascertain that the installation, components and safeguarding have not been changed, modified or tampered with since the installation certification/validation or last recertification/revalidation was made. (ii) Air-lift hammers shall have an air shutoff valve as required in paragraph (d)(2) of this section. c. Its employees are secure from discharge resulting from pressures from manufacturers, suppliers, vendors, employers or employee representatives. 5. See Table O-10. (ii) The requirement of paragraph (c)(1)(i) of this section shall not apply when the point of operation opening is one-fourth inch or less. (14) No saw, cutter head, or tool collar shall be placed or mounted on a machine arbor unless the tool has been accurately machined to size and shape to fit the arbor. (f) It shall offer maximum visibility of the point of operation consistent with the other requirements. will bring you directly to the content. Spacers shall be equal in diameter to the mounting flanges and have equal bearing surfaces. b. 1910.112-1910.113 [Reserved] 1910.119 Process safety management of highly hazardous chemicals. Each time the systems hardware is significantly changed, modified, or refurbished; b. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. 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. The back flange shall extend beyond the central hub or raised portion and contact the wheel to counteract the side pressure on the wheel in use. Preliminary disapproval. tensile strength 50,000 p.s.i.) 1910.152 [Reserved]. A copy of the certification/validation report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to the public upon request. (54) Stroking selector means the part of the clutch/brake control that determines the type of stroking when the operating means is actuated. Provide employees with the right battery handling equipment. Regulations Respecting Occupational Health and Safety, Decree 885-2001, 5-2.1, r.19.01, July 2001. 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. Recording of inspections shall be in the form of a certification record which includes the date the inspection was performed, the signature of the person who performed the inspection and the serial number, or other identifier, of the equipment inspected. In all other industries, wood guards shall not be used. However, the guarding of these gears is highly recommended. Momentary operation of the stop control shall immediately deactivate the clutch and apply the brake. The test(s) shall document the range of object diameter sizes which will produce both single and double break conditions. (4) Electromagnetic interference at the same wavelengths used for the radiation sensing field, at the power line frequency fundamental and harmonics, and also from outogenous radiation due to system switching. (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. Machine components shall be designed, secured, or covered to minimize hazards caused by breakage, or loosening and falling or release of mechanical energy (i.e. (1) Hazards to personnel associated with broken or falling machine components. (3) On applications where injury to the operator might result if motors were to restart after power failures, provision shall be made to prevent machines from automatically restarting upon restoration of power. 2 Adapted from U.S. Department of Agriculture Technical Bulletin 479. 3. (iii) Modified Types 6 and 11 wheels (terrazzo) with tapered K dimension. The hood shall be made of adequate strength to resist blows and strains incidental to reasonable operation, adjusting, and handling, and shall be so designed as to protect the operator from flying splinters and broken saw teeth. As an alternative, supplemental presence sensing devices used only in the safeguard mode may be provided. 4. Showing adjustable tongue giving required angular protection for all sizes of wheel used. These guards shall cover at least the unused part of the periphery of the cutting head. tensile strength 20,000 p.s.i.) The outside periphery of the enclosure shall be solid. (a)(1) OSHA Basics: OSHA's Special Industry Standards in Subpart R However, in determining eligibility for a foreign-based third-party validation organization, OSHA shall take into consideration whether there is reciprocity of treatment by the foreign government after consultation with relevant U.S. government agencies. [Reserved], https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-O. For installation certification/validation and annual recertification/revalidation, in the first stage the employer certifies or recertifies that the employer is installing or utilizing a PSDI safety system validated as meeting the design requirements of 29 CFR 1910.217 (a) through (h) and this appendix A by an OSHA-recognized third-party validation organization and that the installation, operation and maintenance meet the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. (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. Such a device shall not depend for its proper functioning upon any rope, cord, or spring. Higher voltages that may be necessary for operation of machine or control mechanisms shall be isolated from any control mechanism handled by the operator, but motor starters with integral Start-Stop buttons may utilize line voltage control. PDF MNOSHA Instruction STD 1-12.9A Reissued in accessible format - Minnesota (v) An indicator visible to the operator and readily seen by the employer shall be provided which shall clearly indicate that the system is set-up for cycling in the PSDI mode. 1910.1045 Acrylonitrile. b. Upon request, the employer must make available to that office all tests and analyses for OSHA review. The application need not be submitted on a Federal form. 1910.1052 Methylene chloride. If previous design, history and application are considered to be similar, but not equal to or more exacting than earlier experiences, the additional or partial certification/validation tests should concentrate on the areas of changed or increased requirements. (1) Safety trip control. 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. (15) Combs (featherboards) or suitable jigs shall be provided at the workplace for use when a standard guard cannot be used, as in dadoing, grooving, jointing, moulding, and rabbeting. (2) Each drum sanding machine shall have an exhaust hood, or other guard if no exhaust system is required, so arranged as to enclose the revolving drum, except for that portion of the drum above the table, if a table is used, which may be necessary and convenient for the application of the material to be finished. (i) Where both runs of horizontal belts are seven (7) feet or less from the floor level, the guard shall extend to at least fifteen (15) inches above the belt or to a standard height except that where both runs of a horizontal belt are 42 inches or less from the floor, the belt shall be fully enclosed in accordance with paragraphs (m) and (o) of this section. The clearance between the edge of the rear table and the cutter head shall be not more than one-eighth inch. All mechanical power transmission apparatus located in basements, towers, and rooms used exclusively for power transmission equipment shall be guarded in accordance with this section, except that the requirements for safeguarding belts, pulleys, and shafting need not be complied with when the following requirements are met: The intensity of illumination conforms to the requirements of ANSI A11.1-1965 (R-1970), which is incorporated by reference as specified in 1910.6. To accomplish this, the machine spindle shall be made to nominal (standard) size plus zero minus .002 inch, and the wheel hole shall be made suitably oversize to assure safety clearance under the conditions of operating heat and pressure. The employer shall operate his presses within the tonnage and attachment weight ratings specified by the manufacturer. The test report shall include the following: a. When required by paragraph (c)(5) of this section, the control system 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 initiation of a successive stroke until the failure is corrected. An open space, not exceeding four (4) inches in width, may be left between the outside edge of the disk and the rim of the wheel if desired, to facilitate turning the wheel over. (iv) Records of the installation certification and validation and the most recent recertification and revalidation shall be maintained for each safety system equipped press by the employer as long as the press is in use. Materials should be placed on the conveyor so that they will ride safely. information or personal data. (ii) Unused keyways shall be filled up or covered. (6) Circular saw fences shall be so constructed that they can be firmly secured to the table or table assembly without changing their alignment with the saw. See paragraph (c)(3)(ii) of this section regarding manual feeding through interlocked press barrier devices. All upsetters shall be installed so that they remain on their supporting foundations. 1 Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. (9) All belts, pulleys, gears, shafts, and moving parts shall be guarded in accordance with the specific requirements of 1910.219. See paragraph (b) of 1910.215. Every saw shall be provided with a guard of not less than one-eighth inch sheet metal positioned to stop flying sparks. As an added precaution to the requirements in paragraph (h)(2)(iii), brake adjustment locking means should be secured. Conveyors training, regulations, analysis, news, and tools - BLR 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. If no exceptions are filed, this is the final decision of the Department of Labor. Examples: board hammers and air-lift hammers. 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. (A) The requirements of paragraphs (b)(7)(xiii), (b)(7)(xiv), (b)(10), (b)(12) and (c)(5)(iii) of this section apply to the pneumatic systems of machines used in the PSDI mode. The use in the formula of twice the stopping time increase, Tm, allowed by the brake monitor for brake wear allows for greater increases in the downstroke stopping time than occur in normal stopping time at the top of the stroke. 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. (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. Wheels should be tapped gently with a light nonmetallic implement, such as the handle of a screwdriver for light wheels, or a wooden mallet for heavier wheels.
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