osha conveyor safety 1910
b. Malleable iron (min. (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. 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. The hood shall be so mounted as to insure that its operation will be positive, reliable, and in true alignment with the saw; and the mounting shall be adequate in strength to resist any reasonable side thrust or other force tending to throw it out of line. 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. (iii) Paragraph (e)(1)(ii) of this section does not apply to presses that comply with paragraphs (b)(13) and (14) of this section. d. When the change of state is motion, the measurement shall be made at the completion of the motion. For design certification, in the first stage, the manufacturer (which can be an employer) certifies that the PSDI safety system meets the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A, based on appropriate design criteria and tests. (1) Cup wheels. If belt is eight (8) inches or more in width. The spreader shall be made of hard tempered steel, or its equivalent, and shall be thinner than the saw kerf. Regulations Respecting Occupational Health and Safety, Decree 885-2001, 5-2.1, r.19.01, July 2001. OSHA intends that PSDI continue to be prohibited where present state-of-the-art technology will not allow it to be done safely. The provisions of paragraph (h) of this section shall apply to boltheading. (C) A check shall be made to determine that all supplemental safeguarding is in place. The certifications are made to the validation organization. (i) A main power disconnect switch capable of being locked only in the Off position shall be provided with every power press control system. Overhead belt guards shall be at least one-quarter wider than belt which they protect, except that this clearance need not in any case exceed six (6) inches on each side. A positive-type lockout device for disconnecting the power to the shear shall be provided. (b) Attachments shall be adjusted to prevent the operator from reaching into the point of operation or to withdraw the operator's hands from the point of operation before the dies close. (14) Operators shall not ride the carriage of a veneer slicer. (vi) Type of feeding (manual with hands in dies or with hands out of dies, semiautomatic, automatic, or other). All drip cups and pans shall be securely fastened. (B) The safety distance shall be checked for compliance with (h)(9)(v) of this section. (1) Types of guarding. (ix) Diamond wheels, except certain vitrified diamond wheels. 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. (iv) Records of the installation certification and validation and the most recent recertification and revalidation shall be maintained for each safety system equipped press by the employer as long as the press is in use. [39 FR 23502, June 27, 1974, as amended at 39 FR 41846, Dec. 3, 1974; 53 FR 8353, Mar. Sprockets and chains. (D) The requirements for hand tools that may be used in the PSDI mode. If you need more than just a PowerPoint, be sure to hop over to . 1910.132 General requirements. (c) Safeguarding the point of operation -. (ii) Posts shall be not more than eight (8) feet apart; they are to be permanent and substantial, smooth, and free from protruding nails, bolts, and splinters. 1910.183 Helicopters. 5. All dies shall be: (i) Stamped with the tonnage and stroke requirements, or have these characteristics recorded if these records are readily available to the die setter; (ii) Stamped to indicate upper die weight when necessary for air counterbalance pressure adjustment; and. b. Safety Standard for Guarding of Machinery and Mechanical Power Transmission Apparatus. (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 subparagraph does not apply to manually operated sprockets. For installation certification/validation and annual recertification/revalidation, in the first stage the employer certifies or recertifies that the employer is installing or utilizing a PSDI safety system validated as meeting the design requirements of 29 CFR 1910.217 (a) through (h) and this appendix A by an OSHA-recognized third-party validation organization and that the installation, operation and maintenance meet the requirements of 29 CFR 1910.217 (a) through (h) and this appendix A. Public review and comment period. A slot opening for jack bar will be permitted. If unitized tooling is used, the opening between the top of the punch holder and the face of the slide, or striking pad, shall be safeguarded in accordance with the requirements of paragraph (c) of this section. How someone is dressed loose clothing, long hair, and jewelry when working on or around conveyors can present the risk of conveyor entanglement. If made of wood, the posts shall be two by four (2 4) inches or larger. 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. 1910.178 Powered industrial trucks. (3) Manually operated controls. The label shall indicate the press serial number, the minimum safety distance (Ds) required by paragraph (h)(9)(v) of this section, the fulfillment of design certification/validation, the employer's signed certification, the identification of the OSHA-recognized third-party validation organization, its signed validation, and the date the certification/validation and recertification/revalidation are issued. Where guard is exposed to contact with moving equipment additional strength may be necessary. Cranks and connecting rods, when exposed to contact, shall be guarded in accordance with paragraphs (m) and (n) of this section, or by a guardrail as described in paragraph (o)(5) of this section. Class 20. Selection of PSDI mode and the number of interruptions/withdrawals of the light sensing field required to initiate a press cycle shall be by means capable of supervision by the employer. Further, each operator shall be provided with a set-up/reset means that meets the requirements of paragraph (h)(6) of this section, and which must be actuated to initiate operation of the press in the PSDI mode. Guards for horizontal overhead belts shall run the entire length of the belt and follow the line of the pulley to the ceiling or be carried to the nearest wall, thus enclosing the belt effectively. If the cone is located less than 3 feet from the floor or working platform, the cone pulley and belt shall be guarded to a height of 3 feet regardless of whether the belt is endless or laced with rawhide. The regular oilers shall wear tight-fitting clothing. The validation organization shall notify the appropriate product manufacturer(s) of any reports from employers of point of operation injuries which occur while a press is operated in a PSDI mode. 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. (s) Inspection and maintenance of woodworking machinery. (4) Flywheels and bearings. In powerplants only the lower run of the belt need be guarded. Grinding machines shall be equipped with flanges in accordance with paragraph (c) of this section. (xi) Where there is more than one operator of a press used for PSDI, each operator shall be protected by a separate, independently functioning, presence sensing device. A validation organization may be considered independent even if it has ties with manufacturers, employers or employee representatives if these ties are with at least two of these three groups; it has a board of directors (or equivalent leadership responsible for the certification/validation activities) which includes representatives of the three groups; and it has a binding commitment of funding for a period of three years or more. Lubrication. 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. (3) Guards for horizontal overhead belts. 1910.5 Applicability of standards. Preliminary disapproval. (1) Each hand-fed planer and jointer with horizontal head shall be equipped with a cylindrical cutting head, the knife projection of which shall not exceed one-eighth inch beyond the cylindrical body of the head. (3) Bearings. c. The recognized validation organization shall continue to satisfy all the requirements of this appendix and the letter of recognition during the period of recognition. Expanded metal, sheet or perforated metal, and wire mesh shall be securely fastened to frame. The maximum angular exposure above the horizontal plane of the wheel spindle as specified in paragraphs (b) (3) and (4) of this section shall never be exceeded, and the distance between the wheel periphery and the adjustable tongue or the end of the peripheral member at the top shall never exceed one-fourth inch. The upper run shall be so guarded as to prevent contact therewith either by the worker or by objects carried by him. 1910.1051 1,3-Butadiene. Prior to use, both the employer and manufacturer must certify that these requirements and all the other applicable requirements of this section are met and these certifications must be validated by an OSHA-recognized third-party validation organization to meet these additional requirements and all the other applicable requirements of paragraphs (a) through (h) and appendix A of this section. Each time the systems hardware is significantly changed, modified, or refurbished; b. (iv) The ram shall be blocked when dies are being changed or other work is being done on the hammer. (v) The sweep device may not be used for point of operation safeguarding. 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. 11. While the brake monitor setting is based on the stopping time it actually measures, i.e., the normal stopping time at the top of the stroke, it is important that the safety distance be computed from the longest stopping time measured at any of the indicated three downstroke stopping positions listed in the explanation of Ts. (7) Feeder attachments shall have the feed rolls or other moving parts so covered or guarded as to protect the operator from hazardous points. [Reserved] (vii) Means used to actuate press stroke (foot trip, foot control, hand trip, hand control, or other). 1910.111 Storage and handling of anhydrous ammonia. 1 Flanges for wheels under 2 inches diameter may be unrelieved and shall be maintained flat and true. [39 FR 23502, June 27, 1974, as amended at 43 FR 49750, Oct. 24, 1978; 49 FR 5323, Feb. 10, 1984]. 1910.272 Grain handling facilities. (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. A slot opening for jack bar will be permitted. (ii) Straight flanges of the adaptor or sleeve type (Table O-7 and Figures O-33 and O-34) shall be undercut so that there will be no bearing on the sides of the wheel within one-eighth inch of the arbor hole. The requirement in paragraph (h)(3)(i)(C) is intended to prevent degradation in stoping speed from higher air pressure. 1910.39 Fire prevention plans. 1910.212 General requirements for all machines. Wall thickness at the back is normally greater than at the grinding face (W). (1) Mills. Provision shall be made in both the upper and lower shoes for securely mounting the die to the bolster and slide. If you have questions or comments regarding a published document please (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. 1910.16 Longshoring and marine terminals. Test results obtained from development testing may be used to certify/validate the design. "They . (8) Die handling. When repairing or cleaning a conveyor, all equipment must be locked or blocked and operating controls tagged. (n) Planing, molding, sticking, and matching machines. 1910.509Incorporation by reference. It is the intent of paragraph (h)(7) that control components be provided with inherent design protection against operating stresses and environmental factors affecting safety and reliability. All mechanical power transmission apparatus located in basements, towers, and rooms used exclusively for power transmission equipment shall be guarded in accordance with this section, except that the requirements for safeguarding belts, pulleys, and shafting need not be complied with when the following requirements are met: The intensity of illumination conforms to the requirements of ANSI A11.1-1965 (R-1970), which is incorporated by reference as specified in 1910.6. The exception in paragraph (b)(7)(xi) of this section for controls manufactured and installed before August 31, 1971, is not applicable under this paragraph (c)(5). (xvii) Controls with internally stored programs (e.g., mechanical, electro-mechanical, or electronic) shall meet the requirements of paragraph (b)(13) of this section, and shall default to a predetermined safe condition in the event of any single failure within the system. Diamond and reinforced wheels are included. 6.a. This exposure shall begin at a point not more than 65 above the horizontal plane of the wheel spindle. (PDF) Best Practices on Conveyor Safety - ResearchGate and fell backwards and hit my head on the frame of the conveyor . Validation for Design Certification/Validation. a. Pulleys with cracks, or pieces broken out of rims, shall not be used.