Grinding machines shall be equipped with flanges in accordance with paragraph (c) of this section. The guard shall automatically adjust itself to cover the unused portion of the head and shall remain in contact with the material at all times. If no exceptions are filed, this is the final decision of the Department of Labor. 1910.17 Effective dates. 1910.423 Post-dive procedures. (B) Counterbalances shall be adjusted in accordance with the press manufacturer's recommendations to assure correct counterbalancing of the slide attachment (upper die) weight for all operations performed on presses used in the PSDI mode. (1) Gears. (3) Scrap handling. (2) Vertical and inclined belts (paragraphs (e) (3) and (4) of this section) if not more than two and one-half (212) inches wide and running at a speed of less than one thousand (1,000) feet per minute, and if free from metal lacings or fastenings may be guarded with a nip-point belt and pulley guard. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. 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. Appendix C to Subpart I of Part 1910Personal Fall Protection Systems Non-Mandatory Guidelines 1910.15 Shipyard employment. A recognized validation organization may renew its recognition by filing a renewal request at the address in paragraph I.A.3. 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. Conveyor Safety When used incorrectly, they can be dangerous. Object sensitivity describes the capability of a presence sensing device to detect an object in the sensing field, expressed as the linear measurement of the smallest interruption which can be detected at any point in the field. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. (3) Bolster plate means the plate attached to the top of the bed of the press having drilled holes or T-slots for attaching the lower die or die shoe. The PSDI safety system shall remain under certification/validation for the shorter of one year or until the system hardware is changed, modified or refurbished, or operating conditions are changed (including environmental, application or facility changes), or a failure of a critical component has occurred. A safety trip control shall be provided in front and in back of each mill. (ii) flat belts two (2) inches or less in width which are free from metal lacings or fasteners, (iii) round belts one-half (12) inch or less in diameter; and. Appendix A to Subpart S of Part 1910 References for Further Information. Belt perches. Nonmandatory supplementary information and guidelines relating to certification/validation of the PSDI safety system are provided to appendix B to this standard. 1910.106 Flammable liquids. Design Safety Standards for Electrical Systems, 1910.302 Electric utilization systems. 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.) 2. (11) Safety system certification/validation. These safety training PowerPoints cover the items specified by OSHA standards. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. Provision shall be made in both the upper and lower shoes for securely mounting the die to the bolster and slide. Type 27 and Type 28 wheels shall be used only with a safety guard located between wheel and operator during use. (62) Safety system means the integrated total system, including the pertinent elements of the press, the controls, the safeguarding and any required supplemental safeguarding, and their interfaces with the operator, and the environment, designed, constructed and arranged to operate together as a unit, such that a single failure or single operating error will not cause injury to personnel due to point of operation hazards. (i) A suitable enclosure shall be provided to prevent damaged or detached boards from falling. (iv) Periodic inspections of clutch and brake mechanisms shall be performed to assure they are in proper operating condition. It is financially capable to conduct the work; b. (ii) The following checks shall be made at the beginning of each shift and whenever a die change is made. (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. 1910.125 Additional requirements for dipping and coating operations that use flammable liquids or liquids with flashpoints greater than 199.4 F (93 C). The validation organization's laboratory (which organizationally may be a part of the third-party validation organization): 1. The guard shall prevent opening of the interlocked section and reaching into the point of operation prior to die closure or prior to the cessation of slide motion. The explanation and use of the scale shall be documented. Die-setting and maintenance procedures shall comply with paragraphs (a) through (g) of this section, and shall not be done in the PSDI mode. 1910.1048 Formaldehyde. (iv) Mechanical power presses with a configuration which would allow a person to enter, pass through, and become clear of the sensing field into the hazardous portion of the press shall not be used in the PSDI mode of operation. (vi) Certain Type 1 and Type 27A cutting-off wheels. OSHA may inspect the facilities of the third-party validation organization and any validating laboratory, and while there shall review any additional documentation underlying the application. The areas covered by this set of standards include: The table throat opening shall be not more than 212 inches when tables are set or aligned with each other for zero cut. Handling equipment attach points shall be provided on all dies requiring mechanical handling. Openings for oiling. The OSHA standards on general guarding of machinery and mechanical power transmission apparatus (29 CFR 1910.212 and 1910.219) are very broad and general minimum guarding standards, one of which was predicated on the 1970's version of the ANSI/ASME B15.1 standard, which itself had undergone several . If a stairway accesses the catwalk, the width requirements depend on the width of the stairway that serves it. (1) Each circular hand-fed ripsaw shall be guarded by a hood which shall completely enclose that portion of the saw above the table and that portion of the saw above the material being cut. (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. (5) Flywheels include flywheels, balance wheels, and flywheel pulleys mounted and revolving on crankshaft of engine or other shafting. e. The generation of the test signal introduced into the system for measuring reaction time shall be such that the initiation time can be established with an error of less than 0.5 percent of the reaction time measured. (ii) Employee's name, injury sustained, and the task being performed (operation, set-up, maintenance, or other). 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. Three months prior to the operation of any alternative system, the employer must notify the OSHA Directorate of Safety Standards Programs of the name of the system to be installed, the manufacturer and the OSHA-recognized third-party validation organization immediately. [Reserved] Any detected broken or unserviceable springs shall be replaced before the test is conducted. The analysis reports should identify: (1) The basis for the analysis; (2) the hardware or software items analyzed; (3) conclusions; (4) safety factors; and (5) limit of the analysis. A separate pushbutton shall be employed to activate the clutch, and the clutch shall be activated only if the driver motor is deenergized. (14) Holdout or restraint device means a mechanism, including attachments for operator's hands, that when anchored and adjusted prevent the operator's hands from entering the point of operation. 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. Overhead belt guards shall be at least one-quarter wider than belt which they protect, except that this clearance need not in any case exceed six (6) inches on each side. Based on this, the Assistant Secretary shall issue the final decision (including reasons) of the Department of Labor stating whether the applicant has demonstrated by a preponderance of evidence that it meets the requirements for recognition. c. The test(s) specifications and procedures shall be made available upon request to the validation organization. The official, published CFR, is updated annually and available below under In addition, a permanent label not less than 112 inches by 34 inch shall be affixed to the rear of the guard at approximately the level of the arbor, reading as follows: Danger: Do Not Rip or Plough From This End. Appendix C to Subpart T of Part 1910Alternative Conditions Under 1910.401(a)(3) for Recreational Diving Instructors and Diving Guides (Mandatory). 1 CFR 1.1 The provision of a spreader in connection with grooving, dadoing, or rabbeting is not required. 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. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. (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. Such tools shall not be in lieu of other guarding required by this section, but can only be used to supplement protection provided. (15) Organic wheels means wheels which are bonded by means of an organic material such as resin, rubber, shellac, or other similar bonding agent. The application shall be filed with: PSDI Certification/Validation Program, Office of Variance Determination, Occupational Safety and Health Administration, U.S. Department of Labor, Room N3653, 200 Constitution Avenue, NW., Washington, DC 20210. (ii) Where explosives, explosive dusts, flammable vapors or flammable liquids exist, the hazard of static sparks from shafting shall be carefully considered. 1910.1 Purpose and scope. 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. (ii) The operating levers on hand-tripped presses having more than one operating station shall be interlocked to prevent the tripping of the press except by the concurrent use of all levers. Following a deactivation of PSDI by the timer, the system shall make it necessary to reset the set-up/reset means in order to reactivate the PSDI mode. Open frame hammers generally are so constructed that the anvil assembly is separate from the operating mechanism and machine supports; it rests on its own independent foundation. (1) Types of guarding. Page 1 of 4 | Conveyor Hazards Safety Factsheet: Hazards of Conveyors Conveyors are used to transport materials . 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. The purpose of the certification/validation of safety systems for presence sensing device initiation (PSDI) of mechanical power presses is to ensure that the safety systems are designed, installed, and maintained in accordance with all applicable requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. Showing movable guard with size of opening correct for full size wheel but too large for smaller wheels. (7) Power-driven guillotine veneer cutters, other than continuous trimmers, shall be provided, in addition to the brake or other stopping mechanism, with an emergency device which will prevent the machine from operating in the event of failure of the brake when the starting mechanism is in the nonstarting position. (3) Limit chains or other equally effective devices shall be provided to prevent the saw from swinging beyond the front or back edges of the table, or beyond a forward position where the gullets of the lowest saw teeth will rise above the table top. 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. The test specification and procedure shall be submitted to the validation organization for review and validation prior to the test. If, after review of all documentation, tests, analyses, manufacturer's certifications, and any additional tests which the third-party validation organization believes are necessary, the third-party validation organization determines that the PSDI safety system is in full compliance with the applicable requirements of 29 CFR 1910.217(a) through (h) and this appendix A, it shall validate the manufacturer's certification that it so meets the stated requirements. Regulations Respecting Occupational Health and Safety, Decree 885-2001, 5-2.1, r.19.01, July 2001. Inspection shall be made of belts, lacings, and fasteners and such equipment kept in good repair. (e) The safety distance (Ds) from the sensing field to the point of operation shall be greater than the distance determined by the following formula: Ds = minimum safety distance (inches); 63 inches/second = hand speed constant; Ts = stopping time of the press measured at approximately 90 position of crankshaft rotation (seconds). 1910.213 Woodworking machinery requirements. All auxiliary equipment such as mill divider, support bars, spray pipes, feed conveyors, strip knives, etc., shall be located in such a manner as to avoid interference with access to and operation of safety devices. If used, these devices shall be located so as to detect all operator locations and positions not detected by the PSDI sensing field, and shall prevent stroking or stop a stroke in process when any supplemental sensing field(s) are interrupted. (xi) Where there is more than one operator of a press used for PSDI, each operator shall be protected by a separate, independently functioning, presence sensing device.
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