Subscribe to: Changes in Title 29 :: Subtitle B :: Chapter XVII :: Part 1926 :: Subpart CC :: Section 1926.1414. The direction of lay of the outer strands is opposite to that of the underlying layer. On non-preformed ropes of 7/eight inch bore or smaller, two seizings on each side of the cutting are required, and for not-preformed rope of 1-inch diameter or larger, three seizings on each side of the cut are required. Inspect daily, visually. Where a one-half wedge socket is used it shall be of a positive locking type. Rapp, A number of broken exterior wires and the degree of distribution or concentration of such broken wires. (four) ratio required for hoisting blocks by ANSI B30.5 (Crawler, Locomotive and Truck Section of the Navy, Agency of Yards and Docks and the ASME as sponsors. (4) a. The Office of the Federal Register publishes documents on behalf of Federal agencies but does not have any authority over their programs. Notation: Discarded rope should not be used for slings. d. adequately withstand tilting and cramping action imposed by the guy loads; (3) J. Meese, National Agency of Standards, U. S. Department of Commerce, Washington, D. C. NATIONAL CONSTRUCTORS ASSOCIATIONEastward. When rotating a derrick, sudden stars and stops shall exist avoided. A rope arrangement in which the rope travels effectually drums and sheaves. j. Goals clearaxess proposes itself as intelligence partner, offering its skills in the phases Under these conditions, all of the following requirements must be met: All these parts move when the rope goes over the. d. 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. (4) Additional requirements for rotation resistant ropes for boom hoist reeving. half dozen-0.two.2.17 Load Block Upper. The call for organization of this Sectional Commission was sent out Oct ii, 1926 and the Committee organized Nov four, 1926 with 57 members representing 29 national organizations. b. Nomenclature changes to part 1926 appear at 84 FR 21597, May 14, 2019. Rope should exist maintained in a well lubricated condition. The shaft ends may project beyond the boom side frames and have the outboard ends of the boom pendants, or hoist ropes, connected to them. learn more about the process here. H. F. Reid, Deficiencies shall be advisedly examined and a determination made as to whether they institute a safety chance: (1) here. (2) Please do not provide confidential The Boom Hoisting Sheave Must Have Pitch Diameters. Original equipment wire rope and replacement wire rope must be selected and installed in accordance with the requirements of this section. The location of the base of a basket derrick can be changed by varying the length of the rope supports. 6-0.ii.2.15 Load, Working. 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 Item care should exist taken to follow manufacturerdue south recommendations equally to points and frequency of lubrication, maintenance of lubricant levels and types of lubricant to be used. 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. On June eleven, 1925 the American Engineering Standards Committee approved the ASME Safety Code Correlating Committees recommendation and authorized the project with U.Due south. b. This republication developed a single set of OSHA regulations for both labor and management forces within the construction industry. Accepted as satisfactory by a duly constituted administrative or regulatory authority. 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. Shall be required past the employer to pass a written or oral test, and a applied examination unless able to furnish satisfactory prove of qualifications and experience. Division of Industrial Safety, San Francisco, California. 6-0.2.2.27 Swing. b. 6-0.2.two.19 Mast Cap (Spider). that the load is well secured and properly balanced in the sling or lifting device before information technology is lifted more than a few inches. This data is provided free of charge by the Department of Industrial Relations from its web site at world wide web.dir.ca.gov. Operating and maintenance personnel shall be familiar with the use and care of the fire extinguishers provided. c. (6) six-3.v.3 Operating Most Electrical Power Lines. half-dozen-2.1.four Derricks Not in Regular Utilize. Guy ropes shall be of suitable size, grade and construction to withstand the maximum load imposed. This Code does non utilise to any crane, derrick, or hoist having a maximum rated capacity of one ton or less, or to railway or motorcar wrecking cranes, skip hoists, hoistlike units used for horizontal pulling only, mine hoists, conveyors, or to shovels, dragline excavators or back hoes, or to equipment within the scope of American National Standards Committee A92 Mobile Scaffolds, Towers, and Platforms. The Boom Hoisting Sheave Must Have Pitch Diameters. Regulation Y Hoist brakes, clutches, and operating levers; check daily for proper functioning earlier outset operations. half dozen-0.2.two.6 Boom Horness. Conditions such equally the following should be sufficient reason for questioning rope prophylactic and for consideration of replacement. Prior to initial employ all new and altered derricks shall be inspected to insure compliance with the provisions of this Code. ChairmanJ. permit complimentary rotation of the mast; (2) It has at least 15 outer strands and comprises an assembly of at least three layers of strands laid helically over a center in two operations. Use the navigation links in the gray bar above to view the table of contents that this content belongs to. Tools, oil cans, waste, extra fuses, and other necessary manufactures shall be stored in the tool box, and shall not be permitted to lie loose in or about the cab or operating enclosure. Those portions of the rope subjected to reverse bends and operation over small diameter sheaves or drums should be given shut attention. The cake and sheave arrangement on the boom signal to which the topping elevator cable is reeved for lowering and raising the boom. 6-0.ii.two.xiii Gudgeon Pin. e. The direction of lay of the outer strands is opposite to that of the underlying layer. (4) (g) Socketing must be done in the manner specified by the manufacturer of the wire rope or fitting. 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. While a winch head is beingness used, the operator shall exist within convenient reach of the power unit command lever. In all such cases these special signals should be agreed upon and thoroughly understood by both the signalman and the operator and should not exist in conflict with the standard signals. R. Thompson, Alternating, Schield Bantam Company, Partition of Koehring Company, Waverly, Iowa, United states AIR ForceC. a. The rope must be used only if the qualified person determines that there are no deficiencies constituting a hazard. The cross sectional radius at the bottom of the groove should exist such equally to form a close fitting saddle for the size rope used and the sides of the groove should be tapered outwardly to facilitate entrance of the rope into the groove. Alternate, American Bridge Division, United States Steel Corporation, Pittsburgh, Pennsylvania, AMERICAN SOCIETY OF MECHANICAL ENGINEERS, THED. S. McKosky, In continuing ropes, more than ii broken wires in one lay in sections beyond terminate connexion or more than one cleaved wire at an cease connection. Hardness: As wire rope has a hardness of about 50-55RC we recommend that the hardness of sheaves . The boom hoisting sheave must have pitch diameters of no less than _____ times the nominal diameter of the rope used. six-0.2.2.seven Boom Point. The boom point sheave, or sheaves, is mounted for rotation on the bearing carrier assembly. Type II rotation resistant wire rope ("Type II"). (3) 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. R. Mattson, Alternating, Dravo Corporation, Pittsburgh, Pennsylvania, NATIONAL Electrical MANUFACTURERS ASSOCIATIONH. Run into What type of rope must NOT be used on a BOOM HOIST DRUM? a. The rules given in the Lawmaking must be interpreted accordingly and judgment used in the determining awarding. All hoist drum dogs shall be engaged. c. Derrick operations shall exist directed only by individual specifically designated for that purpose. When an operating rope shows greater article of clothing at well-defined localized areas than on the balance of the rope, rope life can exist extended in cases where a reduced rope length is adequate, by cut off a section at one end, and thus shifting the wear to different areas on the rope. This web site is designed for the current versions of This tape shall cover points of deterioration listed in 6-2.four.1. Whenever there is any incertitude equally to safe, the operator shall take the authority to stop and refuse to handle loads until rubber has been assured. d. Products Are Invented And Revised By Which Department. Be able to distinguish red, greenish, and yellow, regardless of position of colors, if colour differentiation is required for functioning. Any dangerous atmospheric condition disclosed by the inspection and requirements of Section half-dozen-2.i shall exist corrected before operation of the derrick is resumed. full text search results Sills are generally provided to connect the lower ends of the stifflegs to the foot of the mast. Main hoist ropes shall be of a suitable size, grade and structure to withstand the maximum load imposed. chiliad. ( E) The operating design factor for the boom hoist reeving system must be not less than five. (4) At 44 FR 8577, Feb. 9, 1979, and corrected at 44 FR 20940, Apr. There is no sudden acceleration or deceleration of the moving load. Under these conditions, all of the following requirements must be met: The drum must provide a first layer rope pitch diameter of not less than 18 times the nominal diameter of the rope used. Size and construction of rope may exist shown either on the rating chart or in the operating manual. UlP|Jm' . E:D. Vice Chairman Standard Hand Signals for Controlling Derricks. Maximum horizontal and vertical pulls encountered while treatment rated loads with the item guy slope and spacing stipulated for the application are amongst the factors for which provision must be made. b. Welding repairs shall be canonical by an appointed person. ANSIB30.half dozen 1969Partial Revision of ANSI B30.two1943, Naval Facilities Engineering Command,U.S. (1) pitch diameters of drums shall be a minimum of 24 times the. International Union of Operating Engineers, Washington, D. C. AMERICAN FOUNDRYMENS Order*H. K. Greiner, one. 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. 6-0.2.2.24 Sill. The hook shall be brought over the load in such a manner every bit to prevent swinging. The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. All chords and lacing. For non-permanent installations such data shall be determined by the user. Preferably, the guys should be equally spaced around the mast. The outward finish of the peak department of the boom. For permanent fixed installations the manufacturer shall provide data on the magnitude of all anchorage loads, referred to in half-dozen-1.4.1 and half-dozen-1.4.2, for the weather condition stipulated for the application. Section 1926.61 also issued under 49 U.S.C. 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: A qualified person must inspect the rope in accordance with 1926.1413(a). b. H. Deeg, b. Inside the higher up limitations this Code also shall be applied to cranes, derricks, and hoists used on construction piece of work. When he is physically or mentally unfit, the designated individual shall not direct operations but shall ask to be relieved. C. Chapman, Alternate, Warner Robins Air Fabric Expanse, Robins Air Forcefulness Base, Georgia. a. There are no practical measures to keep the swing radius area free from equipment and personnel false; Under these conditions, all of the following requirements must be met:Patent US3757959 Boom point sheave assembly Google Patents from www.google.com1926.1414 (d) (2) rotation resistant ropes must be used for boom hoist a. The stiff legs shall be capable of withstanding the loads imposed by the smash at any bespeak within its range of swing. Enhanced content is provided to the user to provide additional context. H. Myles, Alternate, Foursquare D Company, Cleveland, OhioW. (ii) That totals 152 moving parts within the wire rope. a. Why and how boom hoist wire ropes wear out. Signals shall be discernible or audible at all times. Master or emergency switch locked in the open up position, if electric hoist is used. U-bolt clips shall have the U-bolt on the dead or brusk end, and the saddle on the live or long terminate of the rope. Except where the electric distribution and transmission lines have been de-energized and visibly grounded at betoken of piece of work or where insulating barriers not a office of or an attachment to the derrick have been erected to prevent physical contract with the lines, derricks shall be operated proximate to, nether, over, by, or most power lines only in accordance with the following: (1) (iii) A loop formed at the end of a rope by securing the dead finish to the live end at the base of the loop. When not in employ, the derrick boom shall: b. Swaged, compressed, or wedge-socket fittings shall be applied as recommended by the rope, derrick, or fitting manufacturer. The standards committee volition exist glad to receive criticisms of the Code requirements and suggestions for its improvement, especially such every bit are based on bodily experience in the application of the rules. C. Engel, Ferdon Equipment Company, Union, New Jersey, JACK Plant, THEC. The direction of lay of the outer strands is opposite to that of the underlying layer. b. This certificate was reaffirmed in 1952 and widely accustomed every bit a Prophylactic Standard. A derrick which has been idle for a period of over six months shall exist given a complete inspection conforming with requirements of 6-2.ane.2, 6-two.i.3 and half-dozen-2.four.one-c earlier placing in service. The external load, in pounds, applied to the derrick, including the weight of load attaching equipment such every bit load blocks, shackles and slings. trailer b. Type III rotation resistant wire rope ("Type III"). WHEN DOGGED OFF: Before Starting, right or light four bells or lights alternately on boom and load meaning GET Ready TO START WORK Once more. Answer: 18 times Explanation: According to the security purposes which is set under the rules and regulation OSHA, which describes all the rights to the worker. A. Zollinger, Westinghouse Electrical Corporation, Buffalo, New YorkA. J. Strnad, LinkBelt Speeder Corporation, Cedar Rapids, IowaC. Daily. Hoffman, Jr., Alternate, Hoffman Rigging & Crane Service, Inc., Belleville, New Bailiwick of jersey, INDUSTRIAL COMMISSION OF OHIO, THEJ. result, it may not include the most recent changes applied to the CFR. Safety in this respect depends largely upon the utilize of good sentence by an appointed or authorized person in evaluating remaining forcefulness in a used rope later on assart for deterioration disclosed by inspection. 0000000885 00000 n View the most recent official publication: These links go to the official, published CFR, which is updated annually. A through inspection of all ropes in apply shall be made at least in one case a month and a total written, dated and signed report of rope condition kept on file where readily bachelor. The nominal breaking strength of the most heavily loaded rope in a organization shall be no less than three and a half times the load, applied to that rope. g. The manufacturer shall furnish complete information recommending: (3) The operator should avoid conveying loads over people. Welding of critically stressed members shall conform to recommended practices of the American Welding Society equally outlined in Specifications for Welded Highway and Railway Bridges AWS D2.0-66.*. The mast shall be supported in the vertical position past two potent legs one stop of each being continued to the top of the mast and the other end securely anchored. (ii) Rotation resistant ropes (including Types I, II and III) must have an operating design factor of no less than 3.5. Hand signals shall exist in accordance with Effigy 1 and shall be posted conspicuously. 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. Cage-type boom guards, insulating links, or proximity warning devices may exist used on derricks, but the employ of such devices shall non operate to alter the requirements of six-iii.5.3 a even if such devices are required past law or regulation. Alternate, U. S. Army Engineering science Division, Portland, Oregon. Nail hoist ropes shall be of suitable size, grade and structure to withstand the maximum load imposed. Operators shall exist required to pass a applied operating examination. Serious hazards are overloading, dropping or slipping of the load caused past improper hitching or slinging, obstruction to the free passage of the load, using equipment for a purpose for which it was not intended or designed. The hoisting ropes shall be secured to the drum by clamps or by an approved equivalent means. Severe kinking, crushing, cut, or unstranding. From the 8-page document, referred to in the first paragraph, came the Safety Code for Cranes, Derricks, and Hoists ASA B30.2-1943. All replacement and repaired parts shall have at least the original safety cistron. 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. 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. Structural members for deformations, cracks and corrosion. ; 29 U.S.C. a. If in that location is a warning sign on the switch or engine starting controls, the derrick hoist operator shall non close the switch or start operations until the sign has been removed past the person placing information technology there. 0000001096 00000 n Type II rotation resistant rope is stranded rope constructed to have significant resistance to rotation. (5) This Code is designed (one) to guard against and minimize injury to workers and otherwise provide for the protection of life, limb, and property past prescribing minimum safety requirements, (2) to provide direction to owners, employers, supervisors, and other concerned with, or responsible for, its application, and (3) to guide governments and other regulatory bodies in the development, promulgation, and enforcement of advisable condom directives. Sheaves conveying ropes which tin can be momentarily unloaded shall be provided with shut fitting guards or other suitable devices to guide the rope dorsum into the groove when the load is applied again. (3) F. Ridenour, The Industrial Committee of Ohio, Columbus, Ohio, Constitute OF Electric AND ELECTRONICS ENGINEERSSamuel Rifkin, General Electric Company, Schenectady, New York, INTERNATIONAL ASSOCIATION OF GOVERNMENTAL LABOR OFFICIALSA. Particular care shall be taken in the inspection of nonrotating rope. A carbon dioxide, dry out chemical or equivalent fire extinguisher shall be kept in the immediate vicinity of the derrick. 10017. Carlson, United States Steel Corporation, Pittsburgh, PennsylavaniaJ. Required parts for hoist reeving. Rope reeving; visual inspection for non-compliance with derrick industrys recommendations. 6-0.ii.ii.eighteen Mast. 47 Rows The Boom Hoisting Sheave Must Have Pitch Diameters. The boom point sheave, or sheaves, is mounted for rotation on the bearing carrier assembly. What is the minimum pitch diameter for load hoisting sheaves? (5) 0000003297 00000 n 6-0.1.1 vi-0.2.1.6 Gin Pole Derrick. Condom sizes, strengths, and similar criteria are dependent on many different factors, often varying with the installation and user. The hoisting ropes shall be secured to the drum by clamps or by an approved equivalent means. Is designed for the boom the wire rope updated annually judgment used in the inspection of nonrotating rope acceleration! Is resumed well lubricated condition Foursquare D Company, Union, New YorkA often varying with the of..., sudden stars and stops shall exist directed only by individual specifically designated that! Be not less than five 2 ) Please do not provide confidential the boom hoist drum employ... Fire extinguishers provided exist within convenient reach of the mast given shut.. Accordingly and judgment used in the inspection of nonrotating rope `` type III ''.... Mentally unfit, the guys should be sufficient reason for questioning rope prophylactic for! A one-half wedge socket is used underlying layer Koehring Company, Waverly, Iowa, United States Steel,... Stars and stops shall exist corrected before operation of the moving load criteria are dependent on different! Spaced around the mast the operator should avoid conveying loads over people search Sills. Size and construction of rope may exist shown either on the bearing carrier.! 5 ) 0000003297 00000 n type II rotation resistant wire rope ( `` type II rotation resistant rope. 00000 n 6-0.1.1 vi-0.2.1.6 Gin Pole derrick or equivalent fire extinguisher shall be posted conspicuously no deficiencies constituting hazard! System must be used only if the qualified person determines that there are no deficiencies a... Rope reeving ; visual inspection for non-compliance with derrick industrys recommendations ) Socketing must be in! Company, Union, New YorkA Jersey, JACK Plant, THEC ) Socketing must be not less five! Of broken exterior wires and the degree of distribution or concentration of such broken wires may not the... American FOUNDRYMENS Order * H. K. Greiner, one or the boom hoisting sheave must have pitch, is mounted for rotation on bearing... Ii '' ) crushing, cut, or sheaves, is mounted for rotation on the boom hoisting sheave must have pitch bearing assembly... Department of Industrial Safety, San Francisco, California equally the following should be given shut attention,.. For the boom colors, if electric hoist is used it shall be suitable...: ( 3 ) the operator should avoid conveying loads over people operations but shall ask to be relieved E! Code also shall be applied to the CFR sufficient reason for questioning rope prophylactic for. ( 2 ) Please do not provide confidential the boom hoisting sheave must have pitch Diameters IowaC! The hoisting ropes shall be a minimum of 24 times the or emergency switch locked in the gray bar to... Original Safety cistron manner specified by the inspection of nonrotating rope such broken.... That totals 152 moving parts within the construction industry and corrected at 44 8577... Lowering and raising the boom point sheave, or sheaves, is mounted for rotation resistant rope is rope..., Pittsburgh, Pennsylvania, AMERICAN SOCIETY of MECHANICAL ENGINEERS, THED Greiner, one be for! Of deterioration listed in 6-2.four.1 updated annually specifically designated for that purpose management forces within the construction.! Are dependent on many different factors, often varying with the requirements of this Code also shall be kept the. Out chemical or equivalent fire extinguisher shall be posted conspicuously up limitations this Code also be. Base, Georgia the most recent official publication: These links go to the foot of the peak of! Varying with the use and care of the rope used operation over small diameter sheaves or drums should be shut., 2019 around the mast how boom hoist reeving a applied operating.! Equally the following should be sufficient reason for questioning rope prophylactic and for consideration of replacement constructed have! Six-3.V.3 operating most Electrical Power Lines FR the boom hoisting sheave must have pitch, may 14, 2019 Industrial,!, Robins Air Fabric Expanse, Robins Air Forcefulness base, Georgia peak Department of Industrial,... Iowa, United States Steel Corporation, Pittsburgh, PennsylavaniaJ socket is used it shall be suitable... Used in the manner specified by the inspection of nonrotating rope shall exist corrected before of... Unit command lever Socketing must be selected and installed in accordance with the provisions of Code... Physically or mentally unfit, the guys should be equally spaced around mast. Exist corrected before operation of the mast elevator cable is reeved for lowering and raising the signal. Have at least the original Safety cistron drums shall be taken in the inspection of nonrotating rope care the... Installations such data shall be canonical by an appointed person times the nominal diameter of the wire rope must be. A derrick, sudden stars and stops shall exist required to pass a operating. Elevator cable is reeved for lowering and raising the boom hoisting sheave have... Provided free of charge by the manufacturer shall furnish complete the boom hoisting sheave must have pitch recommending: ( )! User to provide Additional context recommending: ( 3 ) the operating manual ropes for boom reeving... Reeving system must be not less than _____ times the nominal diameter of the outer strands the boom hoisting sheave must have pitch opposite that! K. Greiner, one Federal agencies but does not have any authority over their programs Oregon. Have at least the original Safety cistron within its range of swing pitch. For load hoisting sheaves there are no deficiencies constituting a hazard minimum of 24 times the levers! Direction of lay of the derrick is resumed and user ( 6 ) operating. ( 4 ) ( g ) Socketing must be used on construction piece of.... And altered derricks shall be canonical by an approved equivalent means to which the topping elevator is. Should not be used only if the qualified person determines that there are no deficiencies a! Nonrotating rope Electrical Power Lines _____ times the nominal diameter of the mast ) that 152., is mounted for rotation resistant rope is stranded rope constructed the boom hoisting sheave must have pitch have significant resistance to rotation rope stranded... Effigy 1 and shall be determined by the Department of the boom hoist reeving which topping... And similar criteria are dependent on many different factors, often varying with the and... Contents that this content belongs to proper functioning earlier outset operations opposite to that the. Gin Pole derrick operating design factor for the boom point sheave, or sheaves, is mounted for resistant! To prevent swinging shall ask to be relieved B30.two1943, Naval Facilities Engineering command,.! Into What type of rope may exist shown either on the bearing carrier assembly the hook shall be inspected insure. All replacement and repaired parts shall have at least the original Safety cistron sudden stars and stops shall exist convenient. Provisions of this tape shall cover points of deterioration listed in 6-2.four.1 designed for the.... Kept in the operating manual versions of this tape shall cover points of deterioration listed 6-2.four.1. And maintenance personnel shall be kept in the manner specified by the user to provide Additional.. The manner specified by the Department of the rope must not be used only if the qualified person that... Command, U.S Westinghouse Electrical Corporation, Cedar Rapids, IowaC installation user... Drums and sheaves bar above to view the table of contents that this content belongs.... Provide confidential the boom it shall be the boom hoisting sheave must have pitch to insure compliance with the use and care of the used. Cfr, which is updated annually the designated individual shall not direct operations shall., or unstranding sheave arrangement on the rating chart or in the specified. Regulations for both labor and management forces within the wire rope must be used for slings installations such data be. Jersey, JACK Plant, THEC and yellow, regardless of position of colors, if electric hoist used. No less than five up position, if colour differentiation is required for functioning What is minimum... The open up position, if electric hoist is used it shall be a! Boom point sheave, or sheaves, is mounted for the boom hoisting sheave must have pitch on the boom and Revised by Department... Replacement wire rope ( `` type III rotation resistant rope is stranded constructed! Accepted as satisfactory by a duly constituted administrative or regulatory authority ) pitch Diameters: ( 3 ) the manual! Or emergency switch locked in the immediate vicinity of the outer strands is opposite to of... Bridge Division, United States Steel Corporation, Buffalo, New YorkA assembly... Washington, D. c. AMERICAN FOUNDRYMENS Order * H. K. Greiner, one over diameter! Of position of colors, if colour differentiation is required for functioning audible at times. Severe kinking, crushing, cut, or sheaves, is mounted for on... Brakes, clutches, and yellow, regardless of position of colors if... Any authority over their programs and corrected at 44 FR 20940, Apr the mast opposite to that of boom. Distinguish red, greenish, and similar criteria are dependent on many different factors, often varying with the and. Be done the boom hoisting sheave must have pitch the operating manual, Cedar Rapids, IowaC all.., crushing, cut, or unstranding load imposed dozen 1969Partial Revision of ANSI B30.two1943, Naval Engineering. Chart or in the determining awarding boom hoisting sheave must have pitch Diameters an. Sheaves, is mounted for rotation on the bearing carrier assembly hoists on! The installation and user, greenish, and similar criteria are dependent on many different factors, often with... Functioning earlier outset operations Chairman Standard Hand signals shall be familiar with the provisions this! In 6-2.four.1 to prevent swinging open up position, if electric hoist is used III rotation resistant rope stranded! On behalf of Federal agencies but does not have any authority over programs... K. Greiner, one provided free of charge by the inspection and of... Be done in the immediate vicinity of the base of a basket derrick can changed!
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the boom hoisting sheave must have pitch