The third-party validation organization, annually or after a change specified in paragraph 1., shall validate the employer's certification that the requirements of paragraph B., Installation Certification/Validation have been met. (2) Instruction to operators. (v) The sweep device may not be used for point of operation safeguarding. (iii) Following a die change, the safety distance, the proper application of supplemental safeguarding, and the slide counterbalance adjustment (if the press is equipped with a counterbalance) shall be checked and maintained by authorized persons whose qualifications include knowledge of the safety distance, supplemental safeguarding requirements, and the manufacturer's specifications for counterbalance adjustment. (ii) The motor start button shall be protected against accidental operation. B. Analytical methods may be used in lieu of, in combination with, or in support of tests to satisfy specification requirements. 1910.147 The control of hazardous energy (lockout/tagout). (4) Pulley speeds. It is recommended that old installations be changed to conform to this rule. Pulley speeds. PDF All Conveyors - Safety Section - Sukup Standard conditions shall be secured by the use of the following materials. 1910.133 Eye and face protection. For full revolution clutch presses with only one engaging point Tm is equal to the time necessary for one and one-half revolutions of the crankshaft. 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. Mandatory requirements for certification/validation of the PSDI safety system are provided in appendix A and appendix C to this standard. (o) Profile and swing-head lathes and wood heel turning machine. 1910.120 Hazardous waste operations and emergency response. from the floor or platform may be guarded with a disk covering the spokes. 1910.1026 Chromium (VI). 1910.144 Safety color code for marking physical hazards. 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: (i) The basement, tower, or room occupied by transmission equipment is locked against unauthorized entrance. (iv) There are three general types of flanges: (a) Straight relieved flanges (see Figure O-32); (b) Straight unrelieved flanges (see Figure O-30); (c) Adaptor flanges (see Figures O-33 and O-34); (v) Regardless of flange type used, the wheel shall always be guarded. When the periphery of the blades of a fan is less than seven (7) feet above the floor or working level, the blades shall be guarded. Collars. The Federal Register notice of preliminary decision will provide a period of not less than 60 calendar days for the written comments on the applicant's fulfillment of the requirements for recognition. Blocks or wedges shall be made of material the strength and construction of which should meet or exceed the specifications and dimensions shown in Table O-11. (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. Eligibility. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. The employer shall train and instruct the operator in the safe method of work before starting work on any operation covered by this section. Where a mill is so installed that persons cannot normally reach through, over, under, or around to come in contact with the roll bite or be caught between a roll and an adjacent object, then, provided such elements are made a fixed part of a mill, safety control devices listed in paragraph (b) of this section shall not apply. The interior surface of all guards, by which is meant the surface of the guard with which a belt will come in contact, shall be smooth and free from all projections of any character, except where construction demands it; protruding shallow roundhead rivets may be used. Guarding of clutches, cutoff couplings, and clutch pulleys -. The midrail may be one by four (1 x 4) inches or more. (iii) Special handtools for placing and removing material shall be such as to permit easy handling of material without the operator placing a hand in the danger zone. (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). (v) Cause of the accident (repeat of press, safeguard failure, removing stuck part or scrap, no safeguard provided, no safeguard in use, or other). (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. Please do not provide confidential 8. b. (5) Excluded machinery. A U type guard is permissible. 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. Paragraph (f)(1) of this section does not apply to hand-operated gears used only to adjust machine parts and which do not continue to move after hand power is removed. (5) Unitized tooling. Showing movable guard with opening small enough to give required protection for smallest size wheel used. 14, 1988; 54 FR 24333, June 7, 1989; 61 FR 9240, Mar. 7, 1996; 69 FR 31882, June 8, 2004; 76 FR 80739, Dec. 27, 2011; 77 FR 46949, Aug. 7, 2012; 78 FR 69550, Nov. 20, 2013]. Subpart O - Machinery and Machine Guarding. A recognized validation organization may change a test method of the PSDI safety system certification/validation program by notifying the Assistant Secretary of the change, certifying that the revised method will be at least as effective as the prior method, and providing the supporting data upon which its conclusions are based. PDF MNOSHA Instruction STD 1-12.9A Reissued in accessible format - Minnesota Means must be provided to prevent tightener from falling, in case the belt breaks. Agree to terms and conditions established by OSHA in the grant of recognition on matters such as exchange of data, submission of accident reports, and assistance in studies for improving PSDI or the certification/validation process. 1910.26 Dockboards. 1910.332 Training. 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. 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. In the second stage, the OSHA-recognized third-party validation organization validates or revalidates that the PSDI safety system installation meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A and the employer's certification, by reviewing that the PSDI safety system has been certified; the employer's certification, designs and tests, if any; the installation, operation, maintenance and training; and by performing any additional tests and reviews which the validation organization believes is necessary. 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. Minimum requirements for this position are a Bachelor's degree and five years professional experience, at least one of which shall have been in responsible charge of a function in the areas of power press design or manufacture or a broad range of power press use, or in the areas of testing, quality control, or certification/validation of equipment comparable to power presses or their associated control systems. (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. Have unit wired by qualified electrician. Where passage is regarded as necessary, there shall be a platform over the lower run guarded on either side by a railing completely filled in with wire mesh or other filler, or by a solid barrier. (1) Bite means the nip point between any two inrunning rolls. It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. (4) Mill roll heights. This diagram shows the accepted safe openings between the bottom edge of a guard and feed table at various distances from the danger line (point of operation). All upsetters shall be installed so that they remain on their supporting foundations. 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. Saws to which gum has adhered on the sides shall be immediately cleaned. 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. The timer shall be manually adjustable, to a maximum time of 30 seconds. Abrasive wheel machinery guards shall meet the design specifications of the American National Standard Safety Code for the Use, Care, and Protection of Abrasive Wheels, ANSI B7.1-1970, which is incorporated by reference as specified in 1910.6. 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. 'They're more concerned about profit': Osha, DoJ take on Amazon's 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. Appendix A to Subpart T of Part 1910Examples of Conditions Which May Restrict or Limit Exposure to Hyperbaric Conditions (ii) The relevant requirements of paragraphs (a) through (g) of this section also shall apply to all presses used in the PSDI mode of operation, whether or not cross referenced in this paragraph (h). If cracked, there will be a dead sound and not a clear ring.. (7) Feeder attachments shall have the feed rolls or other moving parts so covered or guarded as to protect the operator from hazardous points. Validation for Design Certification/Validation. (OSHA 3170-02R, 2007) Title: Microsoft Word - FS Conveyors2.doc Author: rudnick Created Date: 11/18/2011 5:41:31 PM . 3. (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. (49) Single stroke means one complete stroke of the slide, usually initiated from a full open (or up) position, followed by closing (or down), and then a return to the full open position. screw conveyors and the periphery of an abrasive . The clutch/brake control system shall be designed and constructed to prevent actuation of the clutch if all operating stations are bypassed. (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. (41) Knockout means a mechanism for releasing material from either die. Such flanges shall be at least one-fourth the wheel diameter. (55) Trip or (tripping) means activation of the clutch to run the press. 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. The requirements of paragraph (f)(1) of this section shall also apply to hot trimming presses. (2) Ambient relative humidity of 99 percent. (1) Each circular resaw shall be guarded by a hood or shield of metal above the saw. Table O-8 - Minimum Dimensions for Straight Flanges Used as Wheel Sleeves for Precision Grinding Only. Appendix A to Subpart S of Part 1910 References for Further Information. (iii) Toeboards shall be four (4) inches or more in height, of wood, metal, or of metal grill not exceeding one (1) inch mesh. Suspended counterbalanced tighteners and all parts thereof shall be of substantial construction and securely fastened; the bearings shall be securely capped. While it is permitted to use signs to warn people of hazards in addition to those listed in this area, other accident prevention signs and tags can't have the same design and appearance. Pressing enter in the search box The vertical clearance in passageways between the floor and power transmission beams, ceiling, or any other objects, is not less than five feet six inches (5 ft. 6 in.). OSHA Conveyor Safety Regulations Breakdown | Cisco-Eagle (3) Belt pole (sometimes called a belt shipper or shipper pole,) means a device used in shifting belts on and off fixed pulleys on line or countershaft where there are no loose pulleys. (3) Broken pulleys. Such a device shall not depend for its proper functioning upon any rope, cord, or spring. Flywheels. Filing office location. (ii) An automatic guard which will remove the hands of the operator from the danger zone at every descent of the blade, used in conjunction with one-hand starting devices which require two distinct movements of the device to start the cutting motion, and so designed as to return positively to the nonstarting position after each complete cycle of the knife. This clearance shall not exceed one-sixteenth inch. b. 1910.254 Arc welding and cutting. (v) A covered container shall be provided to store dross skimmings. 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. The recognition of any validation organization will be evidenced by a letter of recognition from OSHA. 2. (vi) A holdout or a restraint device shall protect the operator as specified in paragraph (c)(3)(i)(c) of this section and shall include attachments for each of the operator's hands. (v) The employer shall provide brushes, swabs, lubricating rolls, and automatic or manual pressure guns so that operators and diesetters shall not be required to reach into the point of operation or other hazard areas to lubricate material, punches or dies. (11) Band type guards - general specifications. This trimming operation can also be done cold, as can coining, a product sizing operation. The validation organization and validating laboratory shall have adequate administrative and technical staffs to conduct the validation of the certification of PSDI safety systems. The materials and dimensions specified in this paragraph shall apply to all guards, except horizontal overhead belts, rope, cable, or chain guards more than seven (7) feet above floor, or platform. (ii) All metal should be free from burrs and sharp edges. (iii) A label shall be affixed to the press as part of each installation certification/validation and the most recent recertification/revalidation. It is not an official legal edition of the CFR. The validation organization shall make available upon request a list of PSDI safety systems which have been certified/validated by the program. 1910.241 Definitions. 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. (iii) Type of clutch used on the press (full revolution, part revolution, or direct drive). 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. The results shall document the conditions under which the brake and/or clutch will and will not comply with the requirement. (1) Cup wheels. A report shall be made of each field inspection. 1910.1048 Formaldehyde. 1910.5 Applicability of standards. 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. This monitor shall stop slide motion and prevent successive press strokes if decoupling occurs, or if the monitor itself fails. 1 CFR 1.1 7. OSHA Requirements: Machine Guarding - Grainger KnowHow 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. to 16,5 S.F.P.M.1. b. (i) Diamond wheels, except certain vitrified diamond wheels. 1910.142 Temporary labor camps. Emergency Stop Pull-Cords - Machinery Safety 101 Higher pressures may be permitted, however, to increase clutch torque to free jammed dies, provided positive measures are provided to prevent the higher pressure at other times. (4) of this appendix. (2) Each self-feed circular ripsaw shall be provided with sectional non-kickback fingers for the full width of the feed rolls. 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. In addition, when unthreaded hole wheels are specified, the inside flat, K dimension, must be large enough to accommodate a suitable flange. Die keys and shims shall be made from a grade of material that will not unduly crack or splinter. 2. of this appendix, above, except that a reinspection is not required but may be performed by OSHA. (E) The severe consequences that can result if he or she attempts to circumvent or by-pass any of the safeguard or operating functions of the PSDI system. All guards shall be rigidly braced every three (3) feet or fractional part of their height to some fixed part of machinery or building structure. Click on the image to download the training you need, and they will be automatically downloaded. Solid material used for this purpose shall be of an equivalent strength and firmness. PDF Guarding Floor and Wall Openings and Holes OSHA Standard 1910.23 1 OSHA Conveyor Standards | PDF | Safety | Transmission (Mechanics) - Scribd a. Other material, designs or dimensions affording equal or superior protection are also acceptable. Cold trimming presses shall be safeguarded in accordance with 1910.217(c). (ii) (A) PSDI shall be implemented only by use of light curtain (photo-electric) presence sensing devices which meet the requirements of paragraph (c)(3)(iii)(c) of this section unless the requirements of the following paragraph have been met. Preliminary approval. (2) Rivet making. (12) Presence sensing device means a device designed, constructed and arranged to create a sensing field or area that signals the clutch/brake control to deactivate the clutch and activate the brake of the press when any part of the operator's body or a hand tool is within such field or area. ( a) As used in 1910.213 and 1910.214 unless the context clearly requires otherwise, the following woodworking machinery terms shall have the meaning prescribed in this paragraph. 1910.1052 Methylene chloride. (2) Calenders. As an alternative, supplemental presence sensing devices used only in the safeguard mode may be provided. Stopping distances shall be expressed in inches of surface travel of the roll from the instant the emergency stopping device is actuated. (1) Safety-bit chucks with no projecting set screws shall be used. (2) Lockouts. Tm = Increase in the press stopping time at the top of the stroke, in seconds, allowed by the brake monitor for brake wear. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. (f) Guards shall be used to protect all areas of entry to the point of operation not protected by the presence sensing device. It would not be necessary to repeat the tests on individual safety systems of the same manufacture or design. 7, 1996]. The test(s) shall document the range of object diameter sizes which will produce both single and double break conditions. (ii) The employer shall certify that employees have been trained by preparing a certification record which includes the identity of the person trained, the signature of the employer or the person who conducted the training, and the date the training was completed. Mechanical and electrical equipment and auxiliaries shall be installed in accordance with this section and subpart S of this part. After hearing. Bearings shall be kept in alignment and properly adjusted. On offhand grinding machines, work rests shall be used to support the work. Background and more details are available in the The hood and mounting shall be arranged so that the hood will automatically adjust itself to the thickness of and remain in contact with the material being cut but it shall not offer any considerable resistance to insertion of material to saw or to passage of the material being sawed. The regular oilers shall wear tight-fitting clothing. ANSI B20.1-1976 was an extensive revision from the 1957 code. Flywheels located so that any part is seven (7) feet or less above floor or platform shall be guarded in accordance with the requirements of this subparagraph: Cranks and connecting rods. Appendix B to Subpart L of Part 1910National Consensus Standards Hardwoods recommended are those whose ultimate crushing strengths in compression parallel to grain are 5,000 p.s.i. Equip.) (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. 1910.121 [Reserved]. The bottom of the guard shall come to within three-eighths inch of a plane formed by bottom or contact face of the feed roll where it touches the stock. (3) Surface condition. (iv) Light curtains used for PSDI operation shall have minimum object sensitivity not to exceed one and one-fourth inches (31.75 mm). The test specification and procedure shall be submitted to the validation organization for review and validation prior to the test.
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