osha conveyor safety 1910 osha conveyor safety 1910

They shall be designed to provide adequate holding power for all the thicknesses of material being cut. Appendix A to Subpart T of Part 1910Examples of Conditions Which May Restrict or Limit Exposure to Hyperbaric Conditions 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. (i) Pulleys shall be kept in proper alignment to prevent belts from running off. (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. 3. Where a calender 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 calender, safety control devices listed in paragraph (c) of this section shall not apply. (i) Presses operated in the PSDI mode shall be equipped with a brake monitor that meets the requirements of paragraphs (b)(13) and (b)(14) of this section. (10) It is recommended that each power-driven woodworking machine be provided with a disconnect switch that can be locked in the off position. 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. c. The test(s) specifications and procedures shall be made available upon request to the validation organization. Standards covering issues of occupational safety and health which have general application without regard to any specific industry are incorporated by reference in paragraphs (b) through (m) of this section and in subparagraphs (3) and (4) of this paragraph and made applicable under this section. full text search results The validation organization or the validating laboratory shall own a registered certification/validation mark or logo. (iii) Training personnel for the proper inspection and maintenance of forging machinery and equipment. Pulleys with cracks, or pieces broken out of rims, shall not be used. 1910.159 Automatic sprinkler systems. (i) Under the general component of the inspection program, the employer shall: (A) Conduct periodic and regular inspections of each power press to ensure that all of its parts, auxiliary equipment, and safeguards, including the clutch/brake mechanism, antirepeat feature, and single-stroke mechanism, are in a safe operating condition and adjustment; (B) Perform and complete necessary maintenance or repair, or both, before operating the press; and. Fast and consistent stopping times are important to safety for the PSDI mode of operation. Die keys and shims shall be made from a grade of material that will not unduly crack or splinter. If previous design, history and application are considered to be similar, but not equal to or more exacting than earlier experiences, the additional or partial certification/validation tests should concentrate on the areas of changed or increased requirements. 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. (6) Types 27 and 28 depressed center wheels mean wheels having diameter, thickness, and hole size dimensions. See Table O-10. 1910.504Mini Respiratory Protection Program. Gears shall be guarded in accordance with one of the following methods: (ii) By a standard guard as described in paragraph (o) of this section, at least seven (7) feet high extending six (6) inches above the mesh point of the gears; or. 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. A copy of the test report shall be maintained on file at the validation organization and/or validating laboratory, and shall be available to OSHA upon request. The validation organization shall assign overall responsibility for the validation of PSDI certification to an Administrative Director. (iv) The following are some of the machines which usually require point of operation guarding: (4) Barrels, containers, and drums. Bearings and facilities for oiling. Energy delivered during each stroke may be varied. (2) Belt shippers and shipper poles. All manually operated valves and switches shall be clearly identified and readily accessible. 1910.9 Compliance duties owed to each employee. The third-party validation organization shall validate the manufacturer's certification under paragraphs 2 and 3. 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. However, the guarding of these gears is highly recommended. 1910.151 Medical services and first aid. (2) It is recommended, however, that no projecting setscrews or oilcups be used in any revolving pulley or part of machinery. (v) Two-hand controls for single stroke shall conform to the following requirements: (a) Each hand control shall be protected against unintended operation and arranged by design, construction, and/or separation so that the concurrent use of both hands is required to trip the press. (i) Machines using full revolution clutches shall incorporate a single-stroke mechanism. See paragraph (c)(3)(ii) of this section regarding manual feeding through interlocked press barrier devices. A slot opening for jack bar will be permitted. 4. 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. (b) Each two hand control shall meet the construction requirements of paragraph (b)(7)(v) of this section. a. (ii) Once the PSDI safety system has been certified/validated, adjustment of the brake monitor shall not be done without prior approval of the validation organization for both the brake monitor adjustment and the corresponding adjustment of the safety distance. The clearance between the edge of the rear table and the cutter head shall be not more than one-eighth inch. This trimming operation can also be done cold, as can coining, a product sizing operation. 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. In addition when unthreaded hole wheels are specified the inside flat, K dimension, shall be large enough to accommodate a suitable flange. c. Function completion means for, electrical, electromechanical and electronic devices, when the circuit produces a change of state in the output element of the device. Tail rods or extension piston rods. If the deficiencies are not corrected, OSHA may revoke recognition, effective in 60 days, unless the validation organization requests a hearing within that time. (ii) The ram shall be blocked with a material the strength of which shall meet or exceed the specifications or dimensions shown in Table O-11. here. 1910.216 Mills and calenders in the rubber and plastics industries. An acceptable method for interlocking supplemental guards as required by paragraph (h)(6)(xiii) would be to incorporate the supplemental guard and the PSDI presence sensing device into a hinged arrangement in which the alignment of the presence sensing device serves, in effect, as the interlock. (4) Shot blast. 1/1.1 Shafting shall be kept in alignment, free from rust and excess oil or grease. 5. (iv) For cutting-off wheels 16 inches diameter and smaller and where speed does not exceed 16,000 surface feet per minute, 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) Vibration of 45G for one millisecond per stroke when the item is to be mounted on the press frame. Provision shall be made in both the upper and lower shoes for securely mounting the die to the bolster and slide. 1910.135 Head protection. All metal should be free from burrs and sharp edges. (D) A check shall be made to assure that the barriers and/or supplemental presence sensing devices required by paragraph (h)(9)(ix) of this section are operating properly. (ii) Two-hand trip systems on full revolution clutch machines shall incorporate an antirepeat feature. The adjustment shall not be made with the wheel in motion. 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. 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. The front and back of the band wheels shall be either enclosed by solid material or by wire mesh or perforated metal. (7) Driving flange. A separate pushbutton shall be employed to activate the clutch, and the clutch shall be activated only if the driver motor is deenergized. "Published Edition". Means must be provided to prevent tightener from falling, in case the belt breaks. All manually operated valves and switches shall be clearly identified and readily accessible. (d) Two hand trips shall be fixed in position so that only a supervisor or safety engineer is capable of relocating the controls. (ii) Brake systems on presses used in the PSDI mode shall have sufficient torque so that each average value of stopping times (Ts) for stops initiated at approximately 45 degrees, 60 degrees, and 90 degrees, respectively, of crankshaft angular position, shall not be more than 125 percent of the average value of the stopping time at the top crankshaft position. This portion of the guard shall be self-adjusting to raise and lower with the guide. Inclined and vertical shafts, particularly inclined idler shafts, shall be securely held in position against endwise thrust. It would normally be preferable to limit the adjustment of the time required in paragraph (h)(6)(vi) to a maximum of 15 seconds. (4) Pressure pipes. from the floor or platform may be guarded with a disk covering the spokes. This requirement shall not apply to natural sandstone wheels or metal, wooden, cloth, or paper discs, having a layer of abrasive on the surface. Shaft couplings shall be so constructed as to present no hazard from bolts, nuts, setscrews, or revolving surfaces. (3) Installation/Certification/Validation and Annual Recertification/Revalidation. Materials should be placed on the conveyor so that they will ride safely. (39) Inch means an intermittent motion imparted to the slide (on machines using part revolution clutches) by momentary operation of the Inch operating means. (6) Where two or more workers are employed at the same time on the same power-driven guillotine veneer cutter equipped with two-hand control, the device shall be so arranged that each worker shall be required to use both hands simultaneously on the controls to start the cutting motion, and at least one hand on a control to complete the cut. Search & Navigation 1910.98 Effective dates. Compliance with 1910.217(h)(9)(iv). General. (3) Broken pulleys. The upper hood shall be constructed in such a manner and of such material that it will protect the operator from flying splinters, broken saw teeth, etc., and will deflect sawdust away from the operator. Preliminary disapproval. This is an automated process for (3) An adjustable stop shall be provided to prevent the forward travel of the blade beyond the position necessary to complete the cut in repetitive operations. This subdivision does not apply to flywheels with solid web centers. information or personal data. (iii) A presence sensing point of operation device shall protect the operator as provided in paragraph (c)(3)(i)(a) of this section, and shall be interlocked into the control circuit to prevent or stop slide motion if the operator's hand or other part of his body is within the sensing field of the device during the downstroke of the press slide. The application shall identify the scope of the validation activity for which the applicant wishes to be recognized, based on one of the following alternatives: (1) Design Certification/Validation, Installation Certification/Validation, and Annual Recertification/Revalidation; (2) Design Certification/Validation only; or. 1. If, after review of the application, additional information, and inspection report, the applicant does not appear to have met the requirements for recognition, the Director of the PSDI certification/validation program shall notify the applicant in writing, listing the specific requirements of this appendix which the applicant has not met, and the reasons. (i) Mechanical power presses used in the PSDI mode shall be operated under the control of a safety system which, in addition to meeting the applicable requirements of paragraphs (b)(13) and (c)(5) and other applicable provisions of this section, shall function such that a single failure or single operating error shall not cause injury to personnel from point of operation hazards. 1910.22 General requirements. (24) Ejector means a mechanism for removing work or material from between the dies. (ii) The control system shall incorporate a means of dynamically monitoring for decoupling of the rotary position indicating mechanism drive from the crankshaft. 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. Hangers shall be inspected to make certain that all supporting bolts and screws are tight and that supports of hanger boxes are adjusted properly. 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. 1 For wheels under 114 inches thick F dimension shall not exceed 40 percent of wheel thickness. If there is a valid request for a hearing pursuant to paragraph I.B.7.b. b. Power-transmission apparatus located in basements. Consistency of braking action is enhanced by high brake torque. For hole sizes smaller than shown in this table, use table 12. OSHA does not have a standard that sets a maximum limit on how much weight a person may lift or carry. (45) Point of operation means the area of the press where material is actually positioned and work is being performed during any process such as shearing, punching, forming, or assembling. (b) Guarding of abrasive wheel machinery -. 1910.213 Woodworking machinery requirements. 1910.164 Fire detection systems. A summary of part level content is listed below followed by the table of contents, where you can drill down further. (ii) 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. The fourth regulation in OSHA standard 1910.178(g) requires a "conveyor, overhead hoist, or equivalent material handling equipment" to assist workers in moving forklift batteries. (i) Hand-lever-operated power presses shall be equipped with a spring latch on the operating lever to prevent premature or accidental tripping. Overhead-rope and chain-drive guard construction shall conform to the rules for overhead-belt guard. When mounting wheels which have not been cemented together, or ones which do not utilize separating spacers, care must be exercised to use wheels specially manufactured for that purpose. (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. Shall be free of operational control and influence of manufacturers, suppliers, vendors, employers, or employee representatives that would impair its integrity of performance; and. 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. 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. 2. The employer shall establish and follow an inspection program having a general component and a directed component. In deriving the safety distance required in paragraph (h)(9)(v), all stopping time measurements should be made with clutch/brake air pressure regulated to the press manufacturer's recommended value for full clutch torque capability. 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. (7) All cracked saws shall be removed from service. (2) Rivet making. This appendix prescribes mandatory requirements and procedures for OSHA recognition of third-party validation organizations to validate employer and manufacturer certifications that their equipment and practices meet the requirements of the PSDI standard. 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. Higher voltages that may be necessary for operation of machine or control mechanisms shall be isolated from any control mechanism handled by the operator, but motor starters with integral Start-Stop buttons may utilize line voltage control. 1. It is recommended that old installations be changed to conform to this rule. 1910.423 Post-dive procedures. Filing office location. 12. The objective of the certification/validation program is to demonstrate and document that the system satisfies specification and operational requirements for safe operations. 1910.1051 1,3-Butadiene. ), concerning certification or validation. Production shall not be done in the inch mode. (1) Safety trip control. Subpart O: Machinery and Machine Guarding, OSHA 1910 General Industry | UpCodes Subpart O Machinery and Machine Guarding Authority: 29 U.S.C. 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. (iv) Air piping shall conform to the specifications of the ANSI B31.1.0-1967, Power Piping with Addenda issued before April 28, 1971, which is incorporated by reference as specified in 1910.6. (vi) The presence sensing device location shall either be set at each tool change and set-up to provide at least the minimum safety distance, or fixed in location to provide a safety distance greater than or equal to the minimum safety distance for all tooling set-ups which are to be used on that press. (4) Guards for horizontal overhead rope and chain drives. Subpart GOccupational Health and Environmental Control. (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. The ground shall be provided through use of a separate ground wire and polarized plug and receptacle. (i) The control system on presses used in the PSDI mode shall meet the applicable requirements of paragraphs (b)(7), (b)(8), (b)(13), and (c)(5) of this section. Limitation: These wheels shall be mounted only with a special tapered flange. All power-transmission equipment shall be inspected at intervals not exceeding 60 days and be kept in good working condition at all times. Some metals can be forged at room temperature, but the majority of metals are made more plastic for forging by heating. 1. (2) Arbors and mandrels shall be constructed so as to have firm and secure bearing and be free from play. 1. The guard shall be fastened to the frame carrying the rolls so as to remain in adjustment for any thickness of stock. (1) Each planing, molding, sticking, and matching machine shall have all cutting heads, and saws if used, covered by a metal guard. (13) Control reliability. OSHA 29 CFR 1910.147 outlines "Alternative Protection Measure" procedures that can result in increased efficiency without compromising the safety of the operation. (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. Adjustable guard to be used for starting engine or for running adjustment may be provided at the flywheel of gas or oil engines. The regular oilers shall wear tight-fitting clothing. (6) Multiple wheel mounting. Final decision by Assistant Secretary - a. (See Figures O-6 and O-7 and paragraph (b)(9) of this section. Side grinding wheel having a wall flared or tapered outward from the back. The manufacturer's certification 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. 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. (5) Unitized tooling. 1910.23 Ladders. (33) Die enclosure guard means an enclosure attached to the die shoe or stripper, or both, in a fixed position. (12) Safety guard means an enclosure designed to restrain the pieces of the grinding wheel and furnish all possible protection in the event that the wheel is broken in operation. 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. (1) Each profile and swing-head lathe shall have all cutting heads covered by a metal guard. 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. 1910.421 Pre-dive procedures. (12) Guard design specifications. 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. All projecting keys, setscrews, and other projections in revolving parts shall be removed or made flush or guarded by metal cover. of this appendix, the following procedures will be used: (1) The Assistant Secretary will issue a notice of hearing before an administrative law judge of the Department of Labor pursuant to the rules specified in 29 CFR part 1905, subpart C. (2) After the hearing, pursuant to subpart C, the administrative law judge shall issue a decision (including reasons) based on the application, the supporting documentation, the staff recommendation, the public comments and the evidence submitted during the hearing (the record), stating whether it has been demonstrated, based on a preponderance of evidence, that the applicant meets the requirements for recognition. (35) Interlocked press barrier guard means a barrier attached to the press frame and interlocked so that the press stroke cannot be started normally unless the guard itself, or its hinged or movable sections, enclose the point of operation. Amendments and withdrawals. The letter will provide the specific details of the scope of the OSHA recognition as well as any conditions imposed by OSHA, including any Federal monitoring requirements. Means must be provided to prevent tightener from falling, in case the belt breaks. 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. 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 recognized validation organization may voluntarily terminate its recognition, either in its entirety or with respect to any area covered in its recognition, by giving written notice to OSHA at any time. If center to center distance between pulleys is ten (10) feet or more. 1 Note: Must be large enough to extend beyond the bushing. 14, 1988; 54 FR 24333, June 7, 1989; 61 FR 9240, Mar. user convenience only and is not intended to alter agency intent (B) The air supply for pneumatic clutch/brake control valves shall incorporate a filter, an air regulator, and, when necessary for proper operation, a lubricator. 1910.122 Table of contents. (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.