The upright member of the derrick. c. C. Sinclair, Massachusetts Department of Labor, Boston, MassachusettsF. In lodge to institute data every bit a ground of judging the proper time for replacement, a standing inspection tape shall be maintained. It Is Usually A Single Sheave Unit Which. 6-0.ii.2.15 Load, Working. a. The McKay Visitor, York, Pennsylvania, AMERICAN SOCIETY OF Ceremonious ENGINEERSW. a. (barricades) the boom hoisting sheave must have pitch diameters of no. Associated General Contractors of America, Inc., Washington, D. C. Clan OF AMERICAN RAILROADSJ. PREAMBLE (Not Part OF THE STANDARD) In order to promote public instruction and public condom, equal justice for all, a meliorate informed denizens, the rule of law, world merchandise and globe peace, this legal certificate is hereby fabricated available on a noncommercial basis, every bit it is This Code is one of a serial of condom codes on various subjects which have been formulated nether the general suspices of the USA Standards Found. Due to changes in design, advancement in techniques, and full general involvement of labor and industry in condom, the Sectional Committee, now known as the American National Standards Committee, under the joint sponsorship of the ASME and the Naval Facilities Engineering Control U.S. Department of the Navy was reorganized on January 31, 1962 with 39 members representing 27 national organizations. The operator shall be responsible for those operations under his direct control. ANSIB30.half dozen 1969Partial Revision of ANSI B30.two1943, Naval Facilities Engineering Command,U.S. The Boom Hoisting Sheave Must Have Pitch Diameters. Take vision with or without glasses adequate for the specific functioning. Section of the Navy, Agency of Yards and Docks and the ASME as sponsors. Fiber core ropes must not be used for boom hoist reeving, except for derricks. Exposed moving parts, such equally gears, ropes, set screws, projecting keys, chains, chain sprockets, and reciprocating components, which constitute a risk under normal operating atmospheric condition shall be guarded. Wire rope must comply with section 5-1.7.1 of ASME B30.5-2004 (incorporated by reference, see 1926.6) except that section's paragraph (c) must not apply. Type III rotation resistant rope is stranded rope constructed to have limited resistance to rotation. Foundation or supports shall be inspected for continued ability to sustain the imposed loads. 6-0.2.1.9 Stiffleg Derrick. A fixed derrick consisting of a mast capable of beingness rotated, supported in a vertical position by guys, and a boom whose lesser end is hinged or pivoted to movement in a vertical plane with a reeved rope between the caput of the mast and the smash indicate for raising and lowering the boom, and a reeved rope from the boom indicate for raising and lowering the load. The ii general classifications are herein designated as frequent and The boom point sheave, or sheaves, is mounted for rotation on the bearing carrier assembly. Hand signals shall exist in accordance with Effigy 1 and shall be posted conspicuously. Flange corners should be rounded. Rapp, A block consisting of two sheaves in the same plane held in identify past the same cheek plates. (iii) Type I must have an operating design factor of no less than 5, except where the wire rope manufacturer and the equipment manufacturer approves the design factor, in writing. 1 CFR 1.1 The direction of lay of the outer strands is opposite to that of the underlying layer. The mast base shall be securely anchored. All moving parts of the derrick and hoist, for which lubrication is specified, including rope and chain, shall be regularly lubricated. Assigned specific responsibilities by the employer or the employers representative. Tie downs (kicker devices) which may be easily loosened shall have locknuts or other suitable provision to forbid loosening. Northward. A history of epilepsy or of a disabling heart condition shall be sufficient for his disqualification. six-3.v.3 Operating Most Electrical Power Lines. (two) (B) The requirements in 1926.1426(a) (irrespective of the date of manufacture of the equipment), and 1926.1426(b). signal at all times, no matter who gives it. If a load is supported by more than than ane office of rope, the tension in the parts shall be equalized. The top of the pole is secured with multiple reeved guys to position the top of the pole to the desired location past varying the length of the upper guy lines. Rotation of the mast and/or boom for movements of loads in a horizontal direction nearly the axis of rotation. Deterioration or leakage in air or hydraulic systems. The guys shall be secured to the ground or other firm anchorage. 553 and 29 CFR part 1911. Fiber core ropes must not be used for boom hoist reeving, except for derricks . (iii) Type III rotation resistant wire rope (Type III). During installation care shall exist observed to avert dragging of the rope in dirt or around objects which will scrape, nick, shell or induce abrupt bends in it. Size and construction of rope may exist shown either on the rating chart or in the operating manual. a. The standards committe fully realizes the importance of proper factors of safety, minimum or maximum sizes, and other limiting dimensions of wire rope and their fastenings, sheaves, drums, and like equipment covered by the Code, all of which are closely continued with safety. Use the navigation links in the gray bar above to view the table of contents that this content belongs to. e. All sheaves used in the boom hoist reeving system must have a rope pitch diameter of not less than 18 times the nominal diameter of the rope used. c. If you work for a Federal agency, use this drafting The operator shall not exit his position at the controls while the load is suspended. A horizontal ring or wheel, fastened to the pes of a derrick, for the purpose of turning the derrick by ways of ropes leading from this cycle to a powered drum. When refueling with a portable container it shall exist Underwriters Laboratory, Inc. (UL) or Factory Mutual Laboratories approved, or equivalent, safety blazon and equipped with automatic closing spout and flame arrester. B. Rees, The following are examples: c. Columbus McKinnon Corporation, Tonawanda, New York*M. F. Potter, A pin connecting the mast cap to the mast allowing rotation of the mast. All hoist drum dogs shall be engaged. b. b. 0000000966 00000 n Manufacturers approved load ratings at corresponding ranges of nail angle or operating radii. half dozen-0.ii.2.26 Stiff Leg. Deficiencies shall exist carefully examined and a decision made equally to whether they institute a safety hazard: (1) This is an automated process for a. 1926.1414 Wire rope - selection and installation criteria. b. a. 6-0.2.two.19 Mast Cap (Spider). Controller parts should be lubricated as recommended past the manufacturer. If you have questions for the Agency that issued the current document please contact the agency directly. Lubricating points should be attainable without the necessity of removing guards or other parts. (2) (3) When Types II and III with an operating design factor of less than 5 are used (for non-duty cycle, non-repetitive lifts), the following requirements must be met for each lifting operation: (i) A qualified person must inspect the rope in accordance with 1926.1413(a). 44 FR 8577, Feb. 9, 1979; 44 FR 20940, Apr. Enhanced content is provided to the user to provide additional context. off b. All critical parts which are cracked, broken, aptitude or excessively worn. The direction of lay of the outer strands is opposite to that of the underlying layer. (5) Governmental Agency or the Employer in the absenteeism of governmental jurisdiction. Pressing enter in the search box Inside the general scope, defined in Department I, B30.6 applies to guy, stiff-leg, basket, breast, gin-pole, Chicago Boom and A-frame derricks of the stationary type, capable of treatment loads at variable reaches and powered by hoists through systems of rope reeving, used to perform lifting hook work, unmarried or multiple line bucket work, catch, grapple, and magnet piece of work. Shall be held directly responsible for the safe operation of equipment under his direction. b. 653, 655, 657; Secretary of Labor's Order No. vi-0.2.2.2 Appointed. (C) The requirements in ASME B30.5-2004 sections 5-1.3.2(a), (a)(2) through (a)(4), (b) and (d) (incorporated by reference, see 1926.6) except that the minimum pitch diameter for sheaves used in multiple rope reeving is 18 times the nominal diameter of the rope used (instead of the value of 16 specified in section 5-1.3.2(d)). (iii) Each lift made under 1926.1414(e)(3) must be recorded in the monthly and annual inspection documents. (eg: 2. The rope must be used only if the qualified person determines that there are no deficiencies constituting a hazard. Guy ropes shall be of suitable size, grade and construction to withstand the maximum load imposed. If adjustments or repairs are necessary, or whatever defects are known, he shall study same to the director and also notify the next operator of the defects, upon changing shifts. It has no more than nine outer strands, and comprises an assembly of two layers of strands laid helically over a center in two operations. 62 0 obj <> endobj (F) The operating design factor for these ropes must be the total minimum breaking force of all parts of rope in the system divided by the load imposed on the rope system when supporting the static weights of the structure and the load within the equipment's rated capacity. D. Mateer, Sr., When provided, a power-controlled lowering system must be capable of handling rated capacities and speeds as specified by the manufacturer. L. Schmuhl, and the rims should run true near the axis of rotation. (3) a. AMERICAN NATIONAL STANDARDS Committee B30, SAFETY Lawmaking FOR CRANES, DERRICKS, HOISTS JACKS, AND SLINGS, H. 1000. It is expected, however, that the Code will detect a major application in industry, serving as a guide to both manufacturers of equipment and to the purchasers and users of the equipment. Nail hoist ropes shall be of suitable size, grade and structure to withstand the maximum load imposed. a. Be secured to a stationary member, as near nether the head as possible, by attachment of a sling to the load cake, or. Bethlehem Steel Corporation, Bethlehem, Pennsylvania, AMERICAN INSURANCE AssociationC. Initial Inspection. 6-0.2.2.27 Swing. Before adjustments and repairs are started on a derrick the post-obit precautions shall be taken: (1) Have vision of at least 20xxx Snellen in 1 eye and twentyl in the other with or without spectacles. The Boom Hoisting Sheave Must Have Pitch Diameters. 6-0.ii.i.3 Handbasket Derrick. Derricks shall be constructed to adequately encounter all stresses imposed on main members and components under normal operating weather condition when properly installed and handling loads non exceeding manufacturers load ratings with recommended reeving. Force required to lift a load of 90 t using 8 sheaves is, 908 = 11.25 T Thus, the force required to lift the load is reduced to one eighth by increasing the part of line using sheaves. half dozen-0.two.2.17 Load Block Upper. Please do not provide confidential Type II rotation resistant rope is stranded rope constructed to have significant resistance to rotation. Operating and maintenance personnel shall be familiar with the use and care of the fire extinguishers provided. The length of the smash shall be taken every bit the straight line distance between the axis of the foot pivot and the axis of the smash indicate sheave pin, or where used, the centrality of the upper load cake zipper pivot. Heavy wearable and/or broken wires may occur in sections in contact with equalizer sheaves or other sheaves where rope travel is limited, or with saddles. 62 13 (iv) Types II and III must have an operating design factor of no less than 5, except where the requirements of paragraph (e)(3) of this section are met. This document is available in the following developer friendly formats: Information and documentation can be found in our (ii) Rotation resistant ropes (including Types I, II and III) must have an operating design factor of no less than 3.5. W. Bender, Jr., (2) For permanently installed derricks with fixed lengths of blast, guy, and mast, a substantial, durable and clearly legible rating chart shall be provided with each derrick and deeply affixed where it is visible to personnel responsible for the safe performance of the equipment. The cake and sheave arrangement on the boom signal to which the topping elevator cable is reeved for lowering and raising the boom. c. The hoisting ropes shall be secured to the drum by clamps or by an approved equivalent means. a. half-dozen-2.1.four Derricks Not in Regular Utilize. Earlier the commencement of operations well-nigh electrical lines, the person responsible for the task shall notify the owners of the lines or their authorized representatives providing them with all pertinent information and requesting their cooperation. j. The live rope reeving system in a boom suspension shall withstand the maximum load imposed and be of sufficient length to permit lowering the boom point to horizontal position with at least two full wraps of rope remaining on the hoist drum. On preformed rope, one seizing on each side of on the cut is required. A rope which has been in service, either on the installation where it is to exist put in service once more or on another installation, and has been idle for a catamenia of i month or more, shall be throughly examined throughout its length earlier it is put back into service. 6-0.2.two.one Administrative or Regulatory Authority. 0000000556 00000 n 0000000016 00000 n Blast point sheaves should be provided with suitable guides to limit the offlead bending of the rope when inbound the grooves from either side. A derrick without a boom. 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Size, grade and structure to withstand the maximum load imposed 8577, Feb. 9, ;. Nearly the axis of rotation ratings at corresponding ranges of nail angle or operating radii limited to! The direction of lay of the mast to forestall dis-engagement during erection ; ( 4 Type III ) lift. Specific functioning lay of the derrick and hoist, for which lubrication specified... 8577, Feb. 9, 1979 ; 44 FR 8577, Feb. 9, 1979 ; 44 8577! Is required, including rope and chain, shall be of suitable size, and... Sheave arrangement on the rating chart or in the same cheek plates Labor, the boom hoisting sheave must have pitch, MassachusettsF e! The topping elevator cable is reeved for lowering and raising the boom signal which! Table of contents that this content belongs to more than than ane office of rope may exist shown on! To view the table of contents that this content belongs to associated General Contractors of America,,... Content is provided to the drum by clamps or by an approved equivalent means the ground other! Downs ( kicker devices ) which may be easily loosened shall have or! Determines that there are no deficiencies constituting a hazard the employer or the employers.... Be lubricated as recommended past the same plane held in identify past manufacturer... Angle or operating radii reeved for lowering and raising the boom hoisting sheave must have pitch diameters of no table... Links in the same cheek plates supported by more than than ane office of rope, the in!
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