(7) Machines using part revolution clutches. 1910.336-1910.360 [Reserved], Safety Requirements for Special Equipment, 1910.399 Definitions applicable to this subpart. (iii) Training personnel for the proper inspection and maintenance of forging machinery and equipment. (ii) Belt shifter and clutch handles shall be rounded and be located as far as possible from danger of accidental contact, but within easy reach of the operator. b. The safety system shall have the ability to sustain a single failure or a single operating error and not cause injury to personnel from point of operation hazards. (1) Veneer slicer knives shall be guarded to prevent accidental contact with knife edge, at both front and rear. Compliance with this requirement shall be determined by using the heaviest upper die to be used on the press, and operating at the fastest press speed if there is speed selection. The validation organization shall have a reasonable written procedure for acknowledging and processing appeals or complaints from program participants (manufacturers, producers, suppliers, vendors and employers) as well as other interested parties (employees or their representatives, safety personnel, government agencies, etc. The certification/validation process shall verify that the safety system complies with the OSHA safety requirements as follows: 1. (59) Control system means sensors, manual input and mode selection elements, interlocking and decision-making circuitry, and output elements to the press operating mechanism. (2) All knives and cutting heads of woodworking machines shall be kept sharp, properly adjusted, and firmly secured. e. The applicant may include whatever enclosures, attachments, or exhibits the applicant deems appropriate. Bolts, nuts, and setscrews will, however, be permitted where they are covered with safety sleeves or where they are used parallel with the shafting and are countersunk or else do not extend beyond the flange of the coupling. (4) The Assistant Secretary shall review the record, the decision by the administrative law judge, and the exceptions. (25) Face of slide means the bottom surface of the slide to which the punch or upper die is generally attached. Spacers shall be equal in diameter to the mounting flanges and have equal bearing surfaces. (26) Feeding means the process of placing or removing material within or from the point of operation. 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. (ii) Tap wheels about 45 each side of the vertical centerline and about 1 or 2 inches from the periphery as indicated by the spots in Figure O-25 and Figure O-26. The objective of the certification/validation program is to demonstrate and document that the system satisfies specification and operational requirements for safe operations. (1) Hazards to personnel associated with broken or falling machine components. When blotters or flange facings of compressible material are required, they shall cover entire contact area of wheel flanges. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 5-2002 (67 FR 65008), or 1-2012 (77 FR 3912), as applicable; 20 CFR part 1911. The validation organization shall demonstrate that: a. 1910.17 Effective dates. (i) Air valve and air pressure supply/control. 1910.107 Spray finishing using flammable and combustible materials. 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. 1910.122 Table of contents. 1910.37 Maintenance, safeguards, and operational features for exit routes. Therefore, the wall dimension W takes precedence over the diameter of the recess as an essential intermediate dimension to describe this shape type. The stopping time measurements should be made with the heaviest upper die that is planned for use in the press.
3M Protecta Fall Protection AD120BC Rebel Self-Retracting Lifeline (1) Belts include all power transmission belts, such as flat belts, round belts, V-belts, etc., unless otherwise specified. (C) Maintain a certification record of each inspection, and each maintenance and repair task performed, under the general component of the inspection program that includes the date of the inspection, maintenance, or repair work, the signature of the person who performed the inspection, maintenance, or repair work, and the serial number, or other identifier, of the power press inspected, maintained, and repaired. Side grinding wheel having a diameter, thickness and wall - wheel is mounted on the diameter. The work rest shall be securely clamped after each adjustment. (2) Stopping limits for mills. 1910.11 Scope and purpose. 1910.35 Compliance with alternate exit-route codes. If such a guard is constructed of sheet metal, the material used shall be not less than one-sixteenth inch in thickness; and if cast iron is used, it shall not be less than three-sixteenths inch in thickness. (c) The safety distance (Dm) between the two hand trip and the point of operation shall be greater than the distance determined by the following formula: Dm = minimum safety distance (inches); 63 inches/second = hand speed constant; Tm = the maximum time the press takes for the die closure after it has been tripped (seconds). b. ANSI B20.1-1976 was an extensive revision from the 1957 code. (7) Driving flange. No changes found for this content after 1/03/2017. (1) Each profile and swing-head lathe shall have all cutting heads covered by a metal guard.
PDF MNOSHA Instruction STD 1-12.9A Reissued in accessible format - Minnesota (5) Modified types 6 and 11 wheels (terrazzo) mean some type 6 and 11 cup wheels used in the terrazzo trade having tapered K dimensions to match a special tapered flange furnished by the machine builder. (xv) The control system shall have provisions for an inch operating means meeting the requirements of paragraph (b)(7)(iv) of this section. 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. (i) The clutch shall release and the brake shall be applied when the external clutch engaging means is removed, deactivated, or deenergized. (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. (1) Hot trimming presses. Where the drive extends over other machine or working areas, protection against falling shall be provided. The hazard created by a guide post (when it is located in the immediate vicinity of the operator) when separated from its bushing by more than one-fourth inch shall be considered as a point of operation hazard and be protected in accordance with paragraph (c) of this section. Content of application. If workers need to cross over a conveyor, OSHA has specific requirements for both Construction and Marine applications of Conveyor Crossovers. (46) Press means a mechanically powered machine that shears, punches, forms or assembles metal or other material by means of cutting, shaping, or combination dies attached to slides. 553. Where brake springs are externally accessible, lock nuts or other means may be provided to reduce the possibility of backing off of the compression nut which holds the springs in place. They shall be designed to provide adequate holding power for all the thicknesses of materials being cut. It should be noted that the sensing device would be by-passed in the inch mode. Before proposing to revoke recognition, the Agency will notify the recognized validation organization of the basis of the proposed revocation and will allow rebuttal or correction of the alleged deficiencies. (12) Pressure vessels. (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. It should be noted that this does not require redundancy for press components such as structural elements, clutch/brake mechanisms, plates, etc., for which adequate reliability may be achieved by proper design, maintenance, and inspection. (a)(1) OSHA Basics: OSHA's Special Industry Standards in Subpart R In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. 1910.133 Eye and face protection. The angular exposure of the grinding wheel periphery and sides for safety guards used on machines known as bench and floor stands should not exceed 90 or one-fourth of the periphery. (4) Exposed to contact means that the location of an object is such that a person is likely to come into contact with it and be injured. (iii) Individual sensing fields of presence sensing devices used to initiate strokes in the PSDI mode shall cover only one side of the press. Subpart O - Machinery and Machine Guarding. The identified parts, components and subsystems shall be certified by the manufacturer to be able to withstand the functional and operational environments of the PSDI safety system. The dates of the period of recognition will be stated in the recognition letter. a. 2. They shall be made of steel or other material with adequate strength and shall enclose the wheel sides upward from the back for one-third of the wheel thickness. 4. Projecting shaft ends shall present a smooth edge and end and shall not project more than one-half the diameter of the shaft unless guarded by nonrotating caps or safety sleeves. Hangers. (vi) For thread grinding wheels not exceeding 1 inch in thickness cast iron or malleable iron safety guards as specified in Figures O-36 and O-37, and in Table O-9 shall be used. (3) Installation/Certification/Validation and Annual Recertification/Revalidation. Blotters need not be used with the following types of wheels: (ii) Abrasive discs (inserted nut, inserted washer, and projecting-stud type). The certification/validation process should also confirm that residual hazards identified by operational analysis are addressed by warning, labeling safety instructions or other appropriate means. (iii) A fixed barrier guard shall be attached securely to the frame of the press or to the bolster plate. 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. 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. (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. Table O-9 - Minimum Basic Thicknesses of Peripheral and Side Members for Safety Guards. You can (iii) Cast steel, or structural steel, safety guards as specified in Figures O-36 and O-37 and Table O-9 shall be used where operating speeds of wheels are faster than 8,000 surface feet per minute up to a maximum of 16,000 surface feet per minute. This subdivision does not apply to flywheels with solid web centers. 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. Examples: board hammers and air-lift hammers. 1910.15 Shipyard employment. Handling equipment attach points shall be provided on all dies requiring mechanical handling. b. In all other industries, wood guards shall not be used. Means must be provided to prevent tightener from falling, in case the belt breaks. (6) Maintenance runway means any permanent runway or platform used for oiling, maintenance, running adjustment, or repair work, but not for passageway. When more than one wheel is mounted between a single set of flanges, wheels may be cemented together or separated by specially designed spacers. "Published Edition". Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984]. The scope of the appendix includes the three categories of certification/validation required by the PSDI standard: Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation. 1910.110 Storage and handling of liquefied petroleum gases. Where loose pulleys or idlers are not practicable, belt perches in form of brackets, rollers, etc., shall be used to keep idle belts away from the shafts. 1910.7 Definition and requirements for a nationally recognized testing laboratory. (1) Bite means the nip point between any two inrunning rolls. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. 1910.2 Definitions. 1910.105 Nitrous oxide. 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. (38) Hand feeding tool means any hand held tool designed for placing or removing material or parts to be processed within or from the point of operation. Test results obtained from development testing may be used to certify/validate the design. Certification/Validation Program Level of Risk Evaluation Requirements. 1910.1010 Benzidine. These guards shall cover at least the unused part of the periphery of the cutting head. 1910.253 Oxygen-fuel gas welding and cutting. 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. Mines. 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. 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. (2) Calender means a machine equipped with two or more metal rolls revolving in opposite directions and used for continuously sheeting or plying up rubber and plastics compounds and for frictioning or coating materials with rubber and plastics compounds. In the second stage, the OSHA-recognized third-party validation organization validates that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the manufacturer's certification by reviewing the manufacturer's design and test data and performing any additional reviews required by this standard or which it believes appropriate. 1910.183 Helicopters. 1910.1006 Methyl chloromethyl ether. Each time the systems hardware is significantly changed, modified, or refurbished; b. 1910.264 Laundry machinery and operations. (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. It is necessary to maintain clearance between the wheel side and the guard. 1910.163 Fixed extinguishing systems, water spray and foam. (10) Snagging means grinding which removes relatively large amounts of material without regard to close tolerances or surface finish requirements. (c) If belt is eight (8) inches or more in width. 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. 1910.38 Emergency action plans. (2) Guard design. However, the National Institute for Occupational Safety and Health developed a mathematical model that helps predict the risk of injury based on the weight being lifted and accounts for many additional factors. (1) Guards. Limitation: These wheels shall be mounted only with a special tapered flange. They shall be of rigid construction and designed to be adjustable to compensate for wheel wear. These safety training PowerPoints cover the items specified by OSHA standards. 12. This monitor shall stop slide motion and prevent successive press strokes if decoupling occurs, or if the monitor itself fails. 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. The test shall be considered successful if the stopping time remains within that which is determined by paragraph (h)(9)(v) for the safety distance setting. (i) All hammers shall be positioned or installed in such a manner that they remain on or are anchored to foundations sufficient to support them according to applicable engineering standards. Hardwoods recommended are those whose ultimate crushing strengths in compression parallel to grain are 5,000 p.s.i. (4) Guide post hazard. 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. (1) Mills. The safety trip control shall be one of the following types or a combination thereof: (i) Pressure-sensitive body bars.
NASD - Compacting and Baling Safety 1910.132 General requirements. These records shall be available for inspection by OSHA and OSHA State Plan offices. (iv) All overhead parts shall be fastened or protected in such a manner that they will not fly off or fall in event of failure. See Table O-10. (iv) An interlocked press barrier guard shall be attached to the press frame or bolster and shall be interlocked with the press clutch control so that the clutch cannot be activated unless the guard itself, or the hinged or movable sections of the guard are in position to conform to the requirements of Table O-10. (i) Each continuous line of shafting shall be secured in position against excessive endwise movement. (37) Guide post means the pin attached to the upper or lower die shoe operating within the bushing on the opposing die shoe, to maintain the alignment of the upper and lower dies. (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. 1910.213 Woodworking machinery requirements. Tp = Longest presence sensing device response time, in seconds. (b) Guarding of abrasive wheel machinery -. (a) 24-inch diameter wheel, 1,000 revolutions per minute. The failure shall be indicated by the system. 2. They shall be continuous, the ends being either riveted, bolted, or welded together in such a manner as to leave the inside free from projections. Dp = Penetration depth factor, required to provide for possible penetration through the presence sensing field by fingers or hand before detection occurs. 4. 1910.1030 Bloodborne pathogens. Subpart GOccupational Health and Environmental Control. 1910.1008 bis-Chloromethyl ether. If the preliminary decision is in favor of recognition, a member of the public, or if the preliminary decision is against recognition, the applicant may request a public hearing by the close of the comment period, if it supplies detailed reasons and evidence challenging the basis of the Assistant Secretary's preliminary decision and justifying the need for a public hearing to bring out evidence which could not be effectively supplied through written submissions. (d) Each pull-out device in use shall be visually inspected and checked for proper adjustment at the start of each operator shift, following a new die set-up, and when operators are changed. 29 U.S.C. (ii) A red color stop control shall be provided with the clutch/brake control system. 3. Compliance with 1910.217(h)(9)(iv). (3) Manually operated controls. This portion of the guard shall be self-adjusting to raise and lower with the guide. (ix) If foot control is provided, the selection method between hand and foot control shall be separate from the stroking selector and shall be designed so that the selection may be supervised by the employer. Belts which of necessity must be shifted by hand and belts within seven (7) feet of the floor or working platform which are not guarded in accordance with this section shall not be fastened with metal in any case, nor with any other fastening which by construction or wear will constitute an accident hazard. 1910.261 Pulp, paper, and paperboard mills. 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. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. (13) Control reliability. Page 1 of 4 | Conveyor Hazards Safety Factsheet: Hazards of Conveyors Conveyors are used to transport materials . 1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.). (1) Type 1 straight wheels means wheels having diameter, thickness, and hole size dimensions, and they should be used only on the periphery. Installed at front and back of each mill having a 46-inch roll height or over. Engine rooms. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. Openings for oiling. The term manufacturers refers to the manufacturer of any of the components of the safety system. 1910.164 Fire detection systems. (iii) Means shall be provided for disconnecting the power to the machine and for locking out or rendering cycling controls inoperable. A recognized validation organization may renew its recognition by filing a renewal request at the address in paragraph I.A.3. 1910.145 Specifications for accident prevention signs and tags. 1910.1002 Coal tar pitch volatiles; interpretation of term. All manually operated valves and switches shall be clearly identified and readily accessible. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. (14) Operators shall not ride the carriage of a veneer slicer. (13) Whenever veneer slicers or rotary veneer-cutting machines have been shutdown for the purpose of inserting logs or to make adjustments, operators shall make sure that machine is clear and other workmen are not in a hazardous position before starting the machine. The tripwire cable or wire center cord shall operate readily whether cable or cord is pushed or pulled. (2) Each bandsaw machine shall be provided with a tension control device to indicate a proper tension for the standard saws used on the machine, in order to assist in the elimination of saw breakage due to improper tension. The third-party validation organization shall validate the employer's certifications that the PSDI safety system is design certified and validated, that the installation meets the installation and environmental requirements specified by the manufacturer, and that the installation meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A.
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