(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. If the safeguard is not described in this section, give a complete description. The validation organization and/or validating laboratory shall have established written procedures for test and certification/validation of PSDI safety systems. e-CFR 1910.219 (a) General requirements. 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. (i) All exposed parts of horizontal shafting seven (7) feet or less from floor or working platform, excepting runways used exclusively for oiling, or running adjustments, shall be protected by a stationary casing enclosing shafting completely or by a trough enclosing sides and top or sides and bottom of shafting as location requires. (C) The air pressure supply for clutch/brake valves on machines used in the PSDI mode shall be regulated to pressures less than or equal to the air pressure used when making the stop time measurements required by paragraph (h)(2)(ii) of this section. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. 1. (vi) Equipment shall be kept clean, particularly from accumulations of yellow lead oxide. (See paragraph (d)(6) of this section.). a. Grinding is always performed on rim face, W dimension. (2) Rivet making. Based upon this determination, a scale shall be developed to indicate the allowable 10 percent of the stopping time at the top of the stroke for slide or ram overtravel due to brake wear. b. (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. ), (4) Cylindrical grinders. 1910.7 Definition and requirements for a nationally recognized testing laboratory. (63) Authorized person means one to whom the authority and responsibility to perform a specific assignment has been given by the employer. (66) Certification/validation and certify/validate means the combined process of certification and validation. For saws with tilting tables or tilting arbors the fence shall be so constructed that it will remain in a line parallel with the saw, regardless of the angle of the saw with the table. (ii) Be installed on a press such that it indicates when the performance of the braking system has deteriorated to the extent described in paragraph (b)(14)(i) of this section; and. The application need not be submitted on a Federal form. (1) Hot trimming presses. Means must be provided to prevent tightener from falling, in case the belt breaks. 1910.11 Scope and purpose. Types 27 and 28 wheels, because of their shape, require specially designed adaptors. (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. f. The applicant shall certify that the information submitted is accurate. (iv) If pedal counterweights are provided, the path of the travel of the weight shall be enclosed. "They . All contact surfaces of wheels, blotters and flanges shall be flat and free of foreign matter. Belt shippers and shipper poles. OSHA does not have a standard that sets a maximum limit on how much weight a person may lift or carry. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. Shall have legal authority to perform the validation of certification; 2. Vertical and inclined shafting seven (7) feet or less from floor or working platform, excepting maintenance runways, shall be enclosed with a stationary casing in accordance with requirements of paragraphs (m) and (o) of this section. (ii) The inside diameter of the band shall not be more than 1 inch larger than the outside diameter of the wheel, and shall be mounted as nearly concentric with the wheel as practicable. (11) Rivet making machines mean the same as upsetters and boltheaders when producing rivets with stock diameter of 1-inch or more. Expanded metal, perforated or solid sheet metal, wire mesh on a frame of angle iron, or iron pipe securely fastened to floor or to frame of machine. (ii) Type 27 and Type 28 wheels, because of their shape and usage, require specially designed adaptors. (1) Safety trip, face. Employers and manufacturers are encouraged to recommend other approaches if there is a potential for improving safety and reducing cost. (i) The cone belt and pulley shall be equipped with a belt shifter so constructed as to adequately guard the nip point of the belt and pulley. 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. (20) Die set means a tool holder held in alignment by guide posts and bushings and consisting of a lower shoe, an upper shoe or punch holder, and guide posts and bushings. . (See Figures O-16 and O-17. (1) General requirements. (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. (9) All belts, pulleys, gears, shafts, and moving parts shall be guarded in accordance with the specific requirements of 1910.219. b. (h) Keys, setscrews, and other projections. (b) Guarding of abrasive wheel machinery -. 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. (f) Guards shall be used to protect all areas of entry to the point of operation not protected by the presence sensing device. (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. Tp = Longest presence sensing device response time, in seconds. Content of application. (ix) A scale guard of substantial construction shall be provided at the back of every press, so arranged as to stop flying scale. Failure to observe these rules might cause excessive flange pressure around the hole of the wheel. (12) Pressure vessels. The machine guarding standard, 29 Code of Federal Regulations (CFR 1910.212), always seems to make OSHA's Top 10 Most Frequently Cited list. Upsetters shall be provided with a means for locking out the power at its entry point to the machine and rendering its cycling controls inoperable. This type, however, differs from Type 5 in that the grinding is performed on the wall of the abrasive created by the difference between the diameter of the recess and the outside diameter of the wheel. The cables shall not be more than 72 inches above the level on which the operator stands. (iii) A label shall be affixed to the press as part of each installation certification/validation and the most recent recertification/revalidation. (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. 1910.105 Nitrous oxide. 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. A positive-type lockout device for disconnecting the power to the shear shall be provided. tensile strength 60,000 p.s.i.) 1910.265 Sawmills. They may be steel centered, diamond abrasive or organic bonded abrasive of the plain or reinforced type. It is recommended that old installations be changed to conform to this rule. Fast and consistent stopping times are important to safety for the PSDI mode of operation. (2) Safety trip, side. Final decision by Assistant Secretary - a. We're always open to new suggestions on safety training topics you'd like to see! The PSDI set-up/reset means required by paragraph (h)(6)(iv) may be initiated by the actuation of a special momentary pushbutton or by the actuation of a special momentary pushbutton and the initiation of a first stroke with two hand controls. Types of Tests Acceptable for Certification/Validation. (vi) Electrical clutch/brake control circuits shall incorporate features to minimize the possibility of an unintended stroke in the event of the failure of a control component to function properly, including relays, limit switches, and static output circuits. The application shall provide information demonstrating that it and any validating laboratory utilized meet the qualifications set forth in section II of this appendix. 1910.268 Telecommunications. No changes found for this content after 1/03/2017. An alternative manual cycle initiation and control means shall be supplied for use in die setting which meets the requirements of paragraph (b)(7) of this section. (8) Concurrent means acting in conjunction, and is used to describe a situation wherein two or more controls exist in an operated condition at the same time. Have unit wired by qualified electrician. It is necessary to maintain clearance between the wheel side and the guard. 1910.509Incorporation by reference. The variance in flange diameters, the adaptor nut being less than one-third wheel diameter, and the use of side pressure in wheel operation limits the use to reinforced organic bonded wheels. However,current OSHA regulations on the control of hazardous energy sources (lockout/tagout)[29 CFR 1910.147],and machine guarding [29 CFR Part 1910.212 ] are applicable to these types of equipment. Where more than one interruption of the light sensing field is used in the initiation of a stroke, either the mode selection means must have one position for each function, or a separate selection means shall be provided which becomes operable when the PSDI mode is selected. a. Operation of the Inch operating means engages the driving clutch so that a small portion of one stroke or indefinite stroking can occur, depending upon the length of time the Inch operating means is held operated. All points not readily accessible shall have oil feed tubes if lubricant is to be added while machinery is in motion. 1910.180 Crawler locomotive and truck cranes. Wheels bonded with clay, glass, porcelain or related ceramic materials are characterized as vitrified bonded wheels. 4. 7, 1996]. a. (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. (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. The provisions of paragraph (h) of this section shall apply to rivet making. The areas covered by this set of standards include: (2) The opening in the table shall be kept as small as possible. Search & Navigation b. http://www.osha.gov/pls/oshaweb/mechanical.html. and fell backwards and hit my head on the frame of the conveyor . Limitation: These wheels shall be mounted only with a special tapered flange. 1910.334 Use of equipment. (2) On machines driven by belts and shafting, a locking-type belt shifter or an equivalent positive device shall be used. The manufacturer shall evaluate and certify, and the OSHA-recognized third-party validation organization shall validate, the design and operation of the safety system by determining conformance with the following: a. The explanation and use of the scale shall be documented. (2) Veneer clippers shall have automatic feed or shall be provided with a guard which will make it impossible to place a finger or fingers under the knife while feeding or removing the stock. This subdivision does not apply to flywheels with solid web centers. 2. (2) Each self-feed circular ripsaw shall be provided with sectional non-kickback fingers for the full width of the feed rolls. EN 618:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of bulk materials except fixed belt conveyors EN 619:2002+A1:2010, Continuous handling equipment and systems - Safety and EMC requirements for equipment for mechanical handling of unit loads OSHA may revoke its recognition of a validation organization if its program either has failed to continue to satisfy the requirements of this appendix or its letter of recognition, has not been performing the validation functions required by the PSDI standard and appendix A, or has misrepresented itself in its applications. (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. 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. 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. (55) Trip or (tripping) means activation of the clutch to run the press. 3. 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. Learn more about the eCFR, its status, and the editorial process. If the deficiencies are not corrected, OSHA may revoke recognition, effective in 60 days, unless the validation organization requests a hearing within that time. Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. The stop control shall override any other control, and reactuation of the clutch shall require use of the operating (tripping) means which has been selected. (4) Pressure pipes. This table shows the distances that guards shall be positioned from the danger line in accordance with the required openings. (14) Abrasive wheel means a cutting tool consisting of abrasive grains held together by organic or inorganic bonds. 1910.425 Surface-supplied air diving. 1. They shall be located in front of the saw and so arranged as to be in continual contact with the wood being fed. In every case the sides of trough shall extend at least two (2) inches beyond the shafting or protuberance. The adjustment shall not be made with the wheel in motion. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. Similarly, only presses with a configuration such that a person's body cannot completely enter the bed area are approved for PSDI. (2) The report shall include the following information: (i) Employer's name, address and location of the workplace (establishment). (9) Repairs and maintenance. The test report shall be signed by a technical staff representative and the Technical Director. The recognition of any validation organization will be evidenced by a letter of recognition from OSHA. Energy delivered during each stroke may be varied. 1910.22 General requirements. The clearance line marks the distance required to prevent contact between guard and moving parts. citations and headings (ii) Fixed or permanent lead pot installations shall be exhausted. (v) The safety distance (Ds) from the sensing field of the presence sensing device to the point of operation shall be greater than or equal to the distance determined by the formula: Hs = Hand speed constant of 63 inches per second (1.6 m/s). The outside periphery of the enclosure shall be solid. In 2015 it again made list, coming in at number ten. 1910.15 Shipyard employment. (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. (vi) Wherever flywheels are above working areas, guards shall be installed having sufficient strength to hold the weight of the flywheel in the event of a shaft or wheel mounting failure. (4) Inverted swing cutoff saws shall be provided with a hood that will cover the part of the saw that protrudes above the top of the table or above the material being cut. Such stresses shall not so affect the control system as to cause unsafe operation. Side grinding wheel having a diameter, thickness and hole with one side straight or flat and the opposite side recessed. The sides of the trough shall come within at least six (6) inches of the underside of table, or if shafting is located near floor within six (6) inches of floor. (5) Grinding. The requirement in paragrpah (h)(2)(iii) reduces the possibility of significantly increased stopping time if a spring breaks. Machines designed for a fixed location shall be securely anchored to prevent walking or moving. All sprocket wheels and chains shall be enclosed unless they are more than seven (7) feet above the floor or platform. All trip and emergency switches shall not be of the automatically resetting type, but shall require manual resetting. (i) Standard conditions shall be secured by the use of the following materials. (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. No extra microswitches or interlocking sensors would be required. Showing movable guard with opening small enough to give required protection for smallest size wheel used. (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. (b) A Type B gate or movable barrier device shall protect the operator in the manner specified in paragraph (c)(3)(i)(g) of this section. The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. (See Figures O-18, O-19, O-20, O-21, O-22, and O-23.). (ii) Spring counterbalances when used shall have the capability to hold the slide and its attachments at midstroke, without brake applied. b. (3) For combination or universal woodworking machines each point of operation of any tool shall be guarded as required for such a tool in a separate machine. 1910.1025 Lead. 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. Brake capacity shall be sufficient to stop the motion of the slide quickly and capable of holding the slide and its attachments at any point in its travel. Friction brakes provided for stopping or holding a slide movement shall be inherently self-engaging by requiring power or force from an external source to cause disengagement. 1. Appendix D to Subpart L of Part 1910Availability of Publications Incorporated by Reference in Section 1910.156 Fire Brigades Appendix A to Subpart I of Part 1910References for Further Information (Non-mandatory) Grinding is always performed on rim face, W dimension. of this appendix or may request that the original application be submitted to the Assistant Secretary with a statement of reasons supplied by the applicant as to why the application should be approved. (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. Reactivation of the clutch shall require restoration of normal air supply and use of the tripping mechanism(s). Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. (i) Straight relieved flanges made according to Table O-6 and Figure O-32 shall be recessed at least one-sixteenth inch on the side next to the wheel for a distance as specified in Table O-6. (5) Power-transmission apparatus located in basements. 1910.1020 Access to employee exposure and medical records. The certifications are made to the validation organization. A. For hole sizes smaller than shown in this table, use table 12. 1910.66 Powered platforms for building maintenance. 1910.112-1910.113 [Reserved] 1910.119 Process safety management of highly hazardous chemicals. (8) Surface feet per minute (s.f.p.m.) All Conveyors - Safety Section Refer to OSHA 1910.132 (Personal Prot. (i) Overhead horizontal belts, with lower parts seven (7) feet or less from the floor or platform, shall be guarded on sides and bottom in accordance with paragraph (o)(3) of this section. 3. b. (x) Foot operated tripping controls, if used, shall be protected so as to prevent operation from falling or moving objects, or from unintended operation by accidental stepping onto the foot control. is available with paragraph structure matching the official CFR The guard shall be constructed of heavy material, preferably metal, and the bottom of the guard shall come down to within three-eighths inch of the plane formed by the bottom or working surfaces of the feed rolls. (xiv) The clutch/brake control shall automatically deactivate in event of failure of the counterbalance(s) air supply. (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. 1910.36 Design and construction requirements for exit routes. 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. (2) Calenders. 1910.144 Safety color code for marking physical hazards. The guarding device shall be in conformity with any appropriate standards therefor, or, in the absence of applicable specific standards, shall be so designed and constructed as to prevent the operator from having any part of his body in the danger zone during the operating cycle. 1910.177 Servicing multi-piece and single piece rim wheels. 1910.27 Scaffolds and rope descent systems. 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. Ample room for cleaning machines, handling material, work pieces, and scrap shall also be provided. (xv) The control system shall have provisions for an inch operating means meeting the requirements of paragraph (b)(7)(iv) of this section. If a hearing is requested, it shall be held before an administrative law judge of the Department of Labor pursuant to the rules specified in 29 CFR part 1905, subpart C. c. The parties shall be OSHA and the recognized validation organization. (1) Hazards to personnel associated with broken or falling machine components. (vi) The employer shall notify the OSHA-recognized third-party validation organization within five days of the occurrence of any point of operation injury while a press is used in the PSDI mode. The validation organization may charge any complainant the reasonable charge for repeating tests needed for the resolution of disputes. Inch is a function used by the die setter for setup of dies and tooling, but is not intended for use during production operations by the operator. switch to drafting.ecfr.gov. When more than one wheel is mounted between a single set of flanges, wheels may be cemented together or separated by specially designed spacers.
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