osha conveyor safety 1910heart 1980 tour dates
(1) General. Air controlling equipment shall be protected against foreign material and water entering the pneumatic system of the press. 20), and the openings shall be not greater than three-eighths inch. 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. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. 1910.303 General. 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. a. Compliance with 1910.217(h)(5)(iii) and (h)(9)(v). (3) The top of the cutting chain and driving mechanism shall be enclosed. (b) Each two hand control shall meet the construction requirements of paragraph (b)(7)(v) of this section. 1 Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. (2) On machines driven by belts and shafting, a locking-type belt shifter or an equivalent positive device shall be used. However, the guarding of these gears is highly recommended. See Table O-10. 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. (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. (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. 7, 1996]. Unless the distance to the nearest fixed pulley, clutch, or hanger exceeds the width of the belt used, a guide shall be provided to prevent the belt from leaving the pulley on the side where insufficient clearance exists. All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. 1910.22 General requirements. If cracked, there will be a dead sound and not a clear ring.. 1. The current OSHA standard for safe distance as a function of opening size is set forth in Table O-10 of OSHA 29 CFR 1910.217 - Mechanical Power Presses. (3) Machines using full revolution positive clutches. 1 Flanges shall be of steel, quality SAE 1040 or equivalent, annealed plate, heat treated to R. 25-30. (3) Broken pulleys. Sprockets and chains. d. Tests designed by the manufacturer shall be made available upon request to the validation organization. Eligibility. (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. This subparagraph does not apply to manually operated sprockets. Where guard is exposed to contact with moving equipment additional strength may be necessary. (26) Feeding means the process of placing or removing material within or from the point of operation. 1. (11) Safety system certification/validation. 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. 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. Each recognized third-party validation organization and its validating laboratories shall: 1. (iii) Type of clutch used on the press (full revolution, part revolution, or direct drive). (C) Maintain a certification record of each maintenance task performed under the directed component of the inspection program that includes the date of the maintenance task, the signature of the person who performed the maintenance task, and the serial number, or other identifier, of the power press maintained. (iii) If the cone is located less than 3 feet from the floor or working platform, the cone pulley and belt shall be guarded to a height of 3 feet regardless of whether the belt is endless or laced with rawhide. 1910.244 Other portable tools and equipment. (e) Inspection, maintenance, and modification of presses -. (3) Sprockets and chains. (5) Grinding. [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. (iii) Table O-8 and Figure O-35 show minimum dimensions for straight flanges that are an integral part of wheel sleeves which are frequently used on precision grinding machines. (55) Trip or (tripping) means activation of the clutch to run the press. (ii) A pad with a nonslip contact area shall be firmly attached to the pedal. (31) Foot pedal means the foot operated lever designed to operate the mechanical linkage that trips a full revolution clutch. (2) Open framehammers (or blacksmith hammers) mean hammers used primarily for the shaping of forgings by means of impact with flat dies. Wheels bonded with clay, glass, porcelain or related ceramic materials are characterized as vitrified bonded wheels. When dies are being changed or maintenance is being performed on the press, the following shall be accomplished: (i) The power to the press shall be locked out. (B) Alternatives to photo-electric light curtains may be used for PSDI when the employer can demonstrate, through tests and analysis by the employer or the manufacturer, that the alternative is as safe as the photo-electric light curtain, that the alternative meets the conditions of this section, has the same long term reliability as light curtains and can be integrated into the entire safety system as provided for in this section. Appendix C to Subpart I of Part 1910Personal Fall Protection Systems Non-Mandatory Guidelines 1910.1047 Ethylene oxide. Installed in the front and in the back of each mill and located within 2 inches of a vertical plane tangent to the front and rear rolls. (2) Engine rooms. Surface Feet Per Minute = 3.1416 diameter in inches r.p.m. 1/1.1 The diameter of circular shaper guards shall be not less than the greatest diameter of the cutter. (i) See Figures O-36 and O-37 and Table O-9 for minimum basic thickness of peripheral and side members for various types of safety guards and classes of service. (See Figures O-18, O-19, O-20, O-21, O-22, and O-23.). (ii) The point of operation of machines whose operation exposes an employee to injury, shall be guarded. Minimum requirements for this position are a Bachelor's degree in a technical field and five years of professional experience, at least one of which shall have been in responsible charge of a function in the area of testing, quality control or certification/validation of equipment comparable to power presses or their associated control systems. This is known as the Ring Test. (b) The performance of combined subsystems meets OSHA's operational requirements. (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. The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. 1910.158 Standpipe and hose systems. 1910.219 (a) (1) This section covers all types and shapes of power-transmission belts, except the following when operating at two hundred and fifty (250) feet per minute or less: 1910.219 (a) (1) (i) Flat belts one (1) inch or less in width, 1910.219 (a) (1) (ii) Then rotate the wheel 45 and repeat the test. 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. (iii) When presses used in the PSDI mode have flywheel or bullgear running on crankshaft mounted journals and bearings, or a flywheel mounted on back shaft journals and bearings, periodic inspections following the press manufacturer's recommendations shall be made to ascertain that bearings are in good working order, and that automatic lubrication systems for these bearings (if automatic lubrication is provided) are supplying proper lubrication. 1910.1028 Benzene. 1910 - Table of Contents - Occupational Safety and Health Administration (a)(1) OSHA Basics: OSHA's Special Industry Standards in Subpart R (3) Installation/Certification/Validation and Annual Recertification/Revalidation. (22) Die setting means the process of placing or removing dies in or from a mechanical power press, and the process of adjusting the dies, other tooling and safeguarding means to cause them to function properly and safely. f. The applicant shall certify that the information submitted is accurate. 2. Acceptance and field inspection. Compliance with 1910.217(h)(9)(iv). Abrasive wheels shall be used only on machines provided with safety guards as defined in the following paragraphs of this section, except: (i) Wheels used for internal work while within the work being ground; (ii) Mounted wheels, used in portable operations, 2 inches and smaller in diameter; and. (v) When any check of the press, including those performed in accordance with the requirements of paragraphs (h)(10)(ii), (iii) or (iv) of this section, reveals a condition of noncompliance, improper adjustment, or failure, the press shall not be operated until the condition has been corrected by adjustment, replacement, or repair. 1910.1043 Cotton dust. (ii) At least annually thereafter, the safety system on a mechanical power press used in the PSDI mode shall be recertified by the employer and revalidated by an OSHA-recognized third-party validation organization to meet all applicable requirements of paragraphs (a) through (h) and appendix A of this section. from the floor or platform may be guarded with a disk covering the spokes. (v) The route followed by the oiler is protected in such manner as to prevent accident. (4) Clutch means the coupling mechanism used on a mechanical power press to couple the flywheel to the crankshaft, either directly or through a gear train. Pulleys serving as balance wheels (e.g., punch presses) on which the point of contact between belt and pulley is more than six feet six inches (6 ft. 6 in.) PDF MNOSHA Instruction STD 1-12.9A Reissued in accessible format - Minnesota Ts = Longest press stopping time, in seconds, computed by taking averages of multiple measurements at each of three positions (45 degrees, 60 degrees, and 90 degrees) of crankshaft angular position; the longest of the three averages is the stopping time to use. (vii) A point of operation enclosure which does not meet the requirements of this subparagraph and Table O-10 shall be used only in conjunction with point of operation devices. Structural steel (min. (See paragraph (d)(5) of this section.). 1910.11 Scope and purpose. The bottom of the guard should come down to within three-eighths inch of a plane formed by the bottom or contact face of the feed roll where it touches the stock. Identification and description of test methods or procedures used. Usage experience should also include failure data supporting adequacy of the design. Overhead rope drive and block and roller-chain-drive guards shall be not less than six (6) inches wider than the drive on each side. (2) Guard exposure angles. (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. (4) Hangers. 1910.36 Design and construction requirements for exit routes. On offhand grinding machines, work rests shall be used to support the work. PART 1910 - OCCUPATIONAL SAFETY AND HEALTH STANDARDS Source: 39 FR 23502, June 27, 1974, unless otherwise noted. Where any portion of the train of gears guarded by a band guard is less than six (6) feet from the floor a disk guard or a complete enclosure to the height of six (6) feet shall be required. (2) Calenders. 5. Vertical belts. The written procedures for test and certification/validation of PSDI systems, and the standards and test methods on which they are based, shall be reproducible and be available to OSHA and to the public upon request. Appendix B to Subpart L of Part 1910National Consensus Standards OSHA Conveyor Standards | PDF | Safety | Transmission (Mechanics) - Scribd Any person or organization considering itself capable of conducting a PSDI-related third-party validation function may apply for OSHA recognition. Pulley speeds. Results of all tests which serve as the basis for the certification. Materials should be placed on the conveyor so that they will ride safely. (B) After a press has been equipped with a safety system whose design has been certified and validated in accordance with paragraph (h)(11)(i) of this section, the safety system installation shall be certified by the employer, and then 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. (4) Type 11 flaring cup wheels mean wheels having double diameter dimensions D and J, and in addition have thickness, hole size, rim and back thickness dimensions. (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. Regulation 1910.178(g)(2) also mandates "adequate ventilation" in battery charging areas. (ii) Type 27 and Type 28 wheels, because of their shape and usage, require specially designed adaptors. Guards shall be affixed to the machine where possible and secured elsewhere if for any reason attachment to the machine is not possible. If unitized tooling is used, the opening between the top of the punch holder and the face of the slide, or striking pad, shall be safeguarded in accordance with the requirements of paragraph (c) of this section. (vi) The adjustable barrier guard shall be securely attached to the press bed, bolster plate, or die shoe, and shall be adjusted and operated in conformity with Table O-10 and the requirements of this subparagraph. Reactivation of the clutch shall require restoration of normal supply and the use of the tripping mechanism(s). The requirement in paragrpah (h)(2)(iii) reduces the possibility of significantly increased stopping time if a spring breaks. If they sound cracked (dead), they shall not be used. The certification/validation report shall include the following: b. 1910.66 Powered platforms for building maintenance. It is recommended that old installations be changed to conform to this rule. (c) The safety distance (Ds) between each two hand control device and the point of operation shall be greater than the distance determined by the following formula: (d) Two hand controls shall be fixed in position so that only a supervisor or safety engineer is capable of relocating the controls. 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. 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. 553. Name of manufacturer and catalog or model number of each subsystem or major component. (4) Guards for horizontal overhead rope and chain drives. formatting. 1910.9 Compliance duties owed to each employee. (9) Repairs and maintenance. All applications submitted will be accepted by OSHA, and their receipt acknowledged in writing. (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. Navigate by entering citations or phrases (i) Air valve and air pressure supply/control. The validation organization representative shall witness at least one set of tests. The adjustment shall not be made with the wheel in motion. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. (3) Each disk sanding machine shall have the exhaust hood, or other guard if no exhaust system is required, so arranged as to enclose the revolving disk, except for that portion of the disk above the table, if a table is used, which may be necessary for the application of the material to be finished. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. 1910.509Incorporation by reference. Revolving drums, barrels, and containers shall be guarded by an enclosure which is interlocked with the drive mechanism, so that the barrel, drum, or container cannot revolve unless the guard enclosure is in place. Materials should be placed on the conveyor so that they will ride safely. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984; 61 FR 9240, Mar. The maximum angular exposure above the horizontal plane of the wheel spindle as specified in paragraphs (b) (3) and (4) of this section shall never be exceeded, and the distance between the wheel periphery and the adjustable tongue or the end of the peripheral member at the top shall never exceed one-fourth inch. As an alternative, supplemental presence sensing devices used only in the safeguard mode may be provided. (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. The label shall indicate the press serial number, the minimum safety distance (Ds) required by paragraph (h)(9)(v) of this section, the fulfillment of design certification/validation, the employer's signed certification, the identification of the OSHA-recognized third-party validation organization, its signed validation, and the date the certification/validation and recertification/revalidation are issued. The application, supporting documents, staff recommendation, statement of applicant's reasons, and any comments received, will be available for public inspection in the OSHA Docket Office. Organization and Purpose The decision shall be made pursuant to the procedures specified in paragraphs I.B.8.b. 1910.335 Safeguards for personnel protection. 1910.37 Maintenance, safeguards, and operational features for exit routes. 1910.1096 Ionizing radiation. (3) Work area. (5) Forging presses mean a class of forging equipment wherein the shaping of metal between dies is performed by mechanical or hydraulic pressure, and usually is accomplished with a single workstroke of the press for each die station. 1910.104 Oxygen. Since that time there have been several revisions, 1987, 1990, 1993, an Addenda in 1992, 2003, 2009, 2012, and 2015. (11) Hydraulic equipment. The unused run of the sanding belt shall be guarded against accidental contact. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. (7) Feeder attachments shall have the feed rolls or other moving parts so covered or guarded as to protect the operator from hazardous points. In all other industries, wood guards shall not be used. (2) All knives and cutting heads of woodworking machines shall be kept sharp, properly adjusted, and firmly secured. 1910.19 Special provisions for air contaminants. 1910.1050 Methylenedianiline. This valve shall be closed and locked in the off position while the hammer is being adjusted, repaired, or serviced, or when the dies are being changed. (x) All components and subsystems of the control system shall be designed to operate together to provide total control system compliance with the requirements of this section. 1. (3) Type 6 straight cup wheels means wheels having diameter, thickness, hole size, rim thickness, and back thickness dimensions. (2) Each hand-fed circular ripsaw shall be furnished with a spreader to prevent material from squeezing the saw or being thrown back on the operator. (1) General requirements. (v) The employer shall notify the OSHA-recognized third-party validation organization within five days whenever a component or a subsystem of the safety system fails or modifications are made which may affect the safety of the system. The certification/validation report shall be signed by the Administrative Director and the Technical Director. 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. Workplace Violence. (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. The upper rail shall be two by four (2 x 4) inches, or two one by four (1 x 4) strips, one at the top and one at the side of posts. (6) Multiple wheel mounting. b. result, it may not include the most recent changes applied to the CFR. 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. The certification/validation process shall verify that the safety system complies with the OSHA safety requirements as follows: 1. 1910.1006 Methyl chloromethyl ether. (s) Inspection and maintenance of woodworking machinery. Adjustment of the location of the PSDI presence sensing device shall require use of a special tool available only to the authorized persons. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. (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. 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. All guards for inclined belts shall be arranged in such a manner that a minimum clearance of seven (7) feet is maintained between belt and floor at any point outside of guard. (11) Device means a press control or attachment that: (i) Restrains the operator from inadvertently reaching into the point of operation, or, (ii) Prevents normal press operation if the operator's hands are inadvertently within the point of operation, or, (iii) Automatically withdraws the operator's hands if the operator's hands are inadvertently within the point of operation as the dies close, or. (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. (vii) Controls for more than one operating station shall be designed to be activated and deactivated in complete sets of two operator's hand controls per operating station by means capable of being supervised by the employer. A separate drafting site (5) Excluded machinery. Power-transmission apparatus located in basements. 1910.1024 Beryllium. The spreader shall be slightly thinner than the saw kerf and slightly thicker than the saw disk. (ix) Diamond wheels, except certain vitrified diamond wheels. Full stop or No movement of the slide or ram means when the crankshaft rotation has slowed to two or less revolutions per minute, just before stopping completely. The Assistant Secretary, or a special designee for this purpose, will make a preliminary decision whether the applicant has met the requirements for recognition based on the completed application file and the written staff recommendation, as well as the statement of reasons by the applicant if there is a recommendation of disapproval. OSHA Catwalk Requirements: Width, Load & Handrail Standards - Lapeyre Stair 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. a. (7) Type 27A depressed center, cutting-off wheels mean wheels having diameter, thickness, and hole size dimensions. (iii) The mode selection means of paragraph (b)(7)(iii) of this section shall have at least one position for selection of the PSDI mode. (ii) A gate or movable barrier device shall protect the operator as follows: (a) A Type A gate or movable barrier device shall protect the operator in the manner specified in paragraph (c)(3)(i)(f) of this section, and.
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