6-0.ii.two.21 Rope. e. 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. Meetings and discussions regarding safety on cranes, derricks, and hoists were held from 1920 to 1925, involving the ASME Rubber Code Correlating Commission, the Clan of Iron and Steel Electrical Engineers, the American Museum of Safe, The American Engineering Standards Committee (later changed to American Standards Association and subsequently to the United states of america Standards Institute), Department of Labor, State of New Jersey, Department of Labor and Manufacture, Land of Pennsylvania, and Locomotive Crane Manufacturers Clan. Learn more about the eCFR, its status, and the editorial process. South. (3) Hardness: As wire rope has a hardness of about 50-55RC we recommend that the hardness of sheaves . At the time B30.6 was approved by the committee, the membership and increased to 58 members and alternates representing 35 organizations. 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. If power fails during operations, the person in accuse of derrick functioning shall investigate and have necessary action earlier functioning is resumed. (5) (ii) b. Technical Products Company, Folcroft, PennsylvaniaC. d. Greiner*, For exceptions, see Section III of the Introduction. a. 18 times 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. Binders for holding Standards are available. Bells of different tone shall be used for boom, load, runner and swinger. 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 site when drafting amendatory language for Federal regulations: The repairs of booms of derricks shall either be fabricated when the booms are lowered and adequately supported or safely tied off. Type III rotation resistant rope is stranded rope constructed to have limited resistance to rotation. information or personal data. A claw with a latch to prevent slings or load from accidentally slipping off the claw. 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. No response shall exist fabricated unless signals are conspicuously understood. A rope used to steady or secure the mast or other member in the desired position. C. Sinclair, Massachusetts Department of Labor, Boston, MassachusettsF. 1To secure compatible application and interpretation of this Lawmaking, administrative or regulatory authorities are urged, before rendering decisions on disputed points, to consult the committee which formulated it through the office of The American Society of Mechanical Engineers, United Applied science Middle, 345 E 47th Street, New York, New York 100 17. The guys shall be secured to the ground or other firm anchorage. ASSOCIATED GENERAL CONTRACTORS OF AMERICA, INC.A. developer resources. (1) pitch diameters of drums shall be a minimum of 24 times the. Particular care shall be taken in the inspection of nonrotating rope. 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. Deficiencies shall be advisedly examined and a determination made as to whether they institute a safety chance: (1) a. A standard hoist rope like an 819 seale consists of 8 strands with 19 wires in each strand. Load hoist sheaves and boom tip sheave shall have pitch diameters not less than _____ times the normal diameter of the rope used> Shall be held directly responsible for the safe operation of equipment under his direction. J. Bushong, The ThewLorain Segmentation of Koehring Company, Lora in, OhioTrevor Davidson, Alternate, BurcyrusErie Company, South Milwaukee, Wisconsin, Order OF AUTOMOTIVE ENGINEERS, INC.F. The direction of lay of the outer strands is opposite to that of the underlying layer. 6, 1979, OSHA reprinted without change the entire text of 29 CFR part 1926 together with certain General Industry Occupational Safety and Health Standards contained in 29 CFR part 1910, which have been identified as also applicable to construction work. half-dozen-0.2.1.four Breast Derrick. a. Navigate by entering citations or phrases Selection of replacement wire rope must be in accordance with the recommendations of the wire rope manufacturer, the equipment manufacturer, or a qualified person. Means should exist provided, if necessary, to foreclose chafing of the ropes. Chapman, contact the publishing agency. 1/1.1 full text search results ratio required for hoisting blocks by ANSI B30.5 (Crawler, Locomotive and Truck a. When not in employ, the derrick boom shall: b. a. c. Hooks showing defects described in half-dozen-2.1.2-a.6 shall be discarded. (ii) Operations must be conducted in such a manner and at such speeds as to minimize dynamic effects. Derricks may exist permanently installed or installed for temporary use as in construction work. Machinery shall be stationary while lubricants are being applied and protection provided every bit called for in 6-ii.3.2-a.i, .ii, and .3 unless equipped for automatic lubrication. Deterioration or leakage in air or hydraulic systems. Pitted or burned electrical contacts should exist corrected only by replacement and in sets. Fig. Title 29 was last amended 2/24/2023. Be secured to a stationary member, as near nether the head as possible, by attachment of a sling to the load cake, or. (2) Special attention shall be given to the end fastenings. Products Are Invented And Revised By Which Department. Hooks shall meet the manufacturersouthward recommendations and shall not be overloaded. WHEN TEMPORARILY STOPPED: Ii bells or lights alternately on nail and load mean Dog IT OFF or STOPPING FOR SOME TIME. A. Samsonoff, Alternate, National Electrical Manufacturers Clan, New York, New York, NATIONAL SAFETY CouncilB. formatting. Such prior uses must be considered by the qualified person in determining whether to use the rope again. and the rims should run true near the axis of rotation. permit slight deflection of the mast without binding; (iii) Main hoist ropes shall be of a suitable size, grade and structure to withstand the maximum load imposed. Eyes shall be made in an canonical way and rope thimbles should be used in the eye. The nominal breaking strength of each rope shall be no less than three times the load practical to the rope. 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. Load hoisting sheaves have a pitch diameter not less than 18 times the nominal Larchmont, New YorkD. When rotating a derrick, sudden stars and stops shall exist avoided. 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. F. Olander, Displaying title 29, up to date as of 2/27/2023. c. Section of the Navy, Agency of Yards and Docks and the ASME as sponsors. 0000002992 00000 n What is the design FACTOR of a BOOM HOIST reeving system when using NON ROTATION rope. j. 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. (3) Hearing, with or without hearing aid, must be adequate for the specific operation. Firemendue south Fund American Insurance Companies, New York, New YorkWinston Trimmer, Alternate, Maryland Casualty Company, Chicago, Illinois, AMERICAN Atomic number 26 AND STEEL ConstituteD. half-dozen-0.two.two.nine Designated. A. Wilson, Factory Mutual Engineering Partitioning, Norwood, Massachusetts, HEAVY-SPECIALIZED CARRIERS CONFERENCE (CRANE AND RIGGING OPERATIONS)H. West. The boom hoisting sheave must have pitch diameters of no less than ___ times the nominal diameter of the rope used. (2) Ropes in the primary hoisting organisation shall be of sufficient length for the entire range of movement specified for the awarding with at least two full wraps of rope on the hoist drum at all times. 3704; 29 U.S.C. 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. (2) 1 a. Advertisement (barricades) the boom hoisting sheave must have pitch diameters of no. a. a. A derrick in which the blast is hinged from a cross member between the bottom ends of two upright members spread apart at the lower ends and joined at the top; the nail point secured to the junction of the side members, and the side members are braced or guyed from this junction indicate. b. The derrick to be repaired shall be arranged and then it will cause the least interference with other equipment and operations in the area. (v) M. Byrne, The Jack Establish, New York, New York, MASSACHUSETTS DEPARTMENT OF LABOR AND INDUSTRIESA. c. Necessary clothing and personal holding shall be stored in such a mode as to not interfere with access or operation. b. Such prior uses must be considered by the qualified person in determining whether to use the rope again. 15 Times ___ Equipment Must Have The Recommended Operating. %%EOF The mast is prevented from tipping forward by guys connected to its top. 0000001738 00000 n Corroded, cracked, bent, worn, or improperly applied end connections. Original equipment wire rope and replacement wire rope must be selected and installed in accordance with the requirements of this section. (1) Fiber core ropes must not be used for boom hoist reeving, except for derricks. Background and more details are available in the Mandatory rules of this Code are characterized by the use of the word shall. If a rule is of an informational nature it is indicated past the employ of the word should or is stated as a recommendation. 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) Nomenclature changes to part 1926 appear at 84 FR 21597, May 14, 2019. We recommend you directly contact the agency responsible for the content in question. half-dozen-2.1.four Derricks Not in Regular Utilize. Hooks; magnetic particle or other suitable crevice detecting inspection should be performed at least in one case each twelvemonth. The Boom Hoisting Sheave Must Have Pitch Diameters. Enhanced content is provided to the user to provide additional context. a. Ropes of material other than steel may be used simply in accord with the manufacturers recommendation. 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. (3) 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. Carlson, United States Steel Corporation, Pittsburgh, PennsylavaniaJ. Engage transmission locking devices in the absence of automatic holding equipment. (B) The requirements in 1926.1426(a) (irrespective of the date of manufacture of the equipment), and 1926.1426(b). 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. If the load must remain suspended for any considerable length of time, a dog, or pawl and ratchet or other equivalent ways, rather than the brake alone, shall be used to agree the load. (1) Pitch diameters of drums shall be a minimum of 24 times the nominal rope diameter. f. Initial Inspection. No derrick shall be loaded beyond the rated load. A block consisting of two sheaves in the same plane held in identify past the same cheek plates. Comments or questions about document content can not be answered by OFR staff. 6-0.ii.2.15 Load, Working. 6-0.2.2.23 Side Loading. Northward. (b) Wire rope design criteria: Wire rope (other than rotation resistant rope) must comply with either Option (1) or Option (2) of this section, as follows: (1) Option (1). East. Matrimony Carbide Corporation, Oak Ridge, TennesseeWest. From the 8-page document, referred to in the first paragraph, came the Safety Code for Cranes, Derricks, and Hoists ASA B30.2-1943. adequately withstand the loads imposed by the action of the stiff legs; (3) a. Maximum horizontal and up and downwards vertical thrusts encountered while handling rated loads stipulated for the application with the particular stiff-leg spacing and gradient are amidst the factors for which provision must exist fabricated. a. When loads approach the maximum rating of the derrick, the person responsible for the job shall define that the weight of the load has been determined inside plus or minus ten percent before information technology is lifted. (i) Rotation resistant ropes must not be used for boom hoist reeving, except where the requirements of paragraph (e)(4)(ii) of this section are met. (two) Electrical apparatus for malfunctioning, signs of excessive deterioration, dirt, and moisture aggregating. For lines rates over fifty kV minimum clearance betwixt the lines and any part of the derrick or load shall be 10 feet plus 0.4 inch for each 1 kV over 50 kV, or use twice the length of the line insulator only never less than x feet. 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. Groove radii maximum: 0.55 to 0.56x d. Sheave Groove depth: 1.5 x d. Drum Pitch for SINGLE layer minimum: 2.065 x groove radii. What is a diameter? If hooks are of the swivelling type, they should rotate freely. 1801-1819 and 5 U.S.C. due east. This Code presents a coordinated set of rules which may serve as a guide to government and other regulatory bodies and municipal regime responsible for the guarding and inspection of the equipment falling inside its scope. Its guys are so bundled from its top to permit leaning the mast in any management. The Term Rooster Sheave Is A Common Term In The Industry For What Is Known As The Auxiliary Lifting Sheave Or The Auxiliary Boom Head. Why and how boom hoist wire ropes wear out. Rotation resistant ropes must be used for boom hoist reeving only where the requirements of paragraph (e)(4)(ii) of this section are met. In March 1926 invitations were issued to 50 organizations to engage representatives to a Sectional Commission. Fifty. Stand-by derricks shall be inspected at least semiannually in accordance with requirements of 6-2.ane.two and 6-2.4.i-c. Those exposed to adverse environment should be inspected more frequently. 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. The Cambridge Wire Material Company, Cambridge, MarylandE. 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. Reductions from nominal diameter of more than:3/64 inch for diameters to and including 3/4 inch 1/16 inch for diameter 7/8 inch to 1 1/8 inches inclusive.3/32 inch for diameter i 1/iv inches to i 1/2 inches inclusive. (1) 18. There is no sudden acceleration or deceleration of the moving load. The sheaves in the lower load block shall exist equipped with close-fitting guards that volition prevent ropes from becoming fouled when the block is lying on the ground with ropes loose. (5) a. Sheave grooves shall be shine and free from surface defects which could cause rope damage. J. Meese, National Agency of Standards, U. S. Department of Commerce, Washington, D. C. NATIONAL CONSTRUCTORS ASSOCIATIONEastward. Frequent Inspection Daily to monthly intervals. Maintenance, test personnel, and inspectors when it is necessary in the performance of their duties. The hoisting ropes shall be secured to the drum by clamps or by an approved equivalent means. Run into The rope must be used only if the qualified person determines that there are no deficiencies constituting a hazard. result, it may not include the most recent changes applied to the CFR. b. Evidence of any estrus damage from whatever cause. 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 Rotational speed shall be such that the load does not swing out beyond the radius at which it tin be controlled. Occupational Safety & Health Administration. The rules given in the Lawmaking must be interpreted accordingly and judgment used in the determining awarding. H. Deeg, 1926.1414(d) Cranes and Derricks in Construction. Guy ropes shall be of suitable size, grade and construction to withstand the maximum load imposed. 0000000556 00000 n 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. 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. b. Those sections of rope which are located over sheaves or otherwise hidden during inspection and maintenance procedures require special attention when lubricating rope. Occupational Safety and Health Administration, Outreach Training Program (10- and 30-hour Cards), OSHA Training Institute Education Centers, Severe Storm and Flood Recovery Assistance. 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. Andrews, The boom hoisting sheave must have pitch diameters of no less than _____ times the nominal diameter of the rope used. vi-0.2.1.6 Gin Pole Derrick. 6-0.2.2.14 Guy. The plumbing fixtures at the top of the mast to which the guys are connected. half-dozen-0.2.two.25 Standby Derrick. The load is raised and lowered by ropes through a sheave or block secured to the top crosspiece. F. Reid, The boom point sheave, or sheaves, is mounted for rotation on the bearing carrier assembly. a. 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. (three) The boom hoisting sheave must have pitch diameters answers answer from: What is the minimum pitch diameter for load hoisting sheaves? Size and construction of rope may exist shown either on the rating chart or in the operating manual. (3) xref exist secured to the mast to forestall dis-engagement during erection; (4) Welding repairs shall be canonical by an appointed person. d. No precise rules tin exist given for determination of the exact time for replacement of rope, since many variable factors are involved. Earlier leaving the operator should: (3) The mast, broad at the bottom and narrow at the tiptop, is hinged at the lesser and has its top secured by a multiple reeved guy to allow treatment loads at various radii by ways of load tackle suspended from the mast top. (E) The operating design factor for the boom hoist reeving system must be not less than five. switch to drafting.ecfr.gov. c. 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. What is the minimum pitch diameter for load hoisting sheaves? a. 1926.1414 (e) (4) (ii) (E) The operating design factor for the boom hoist reeving system must be not less than five. A separate drafting site This republication developed a single set of OSHA regulations for both labor and management forces within the construction industry. The official, published CFR, is updated annually and available below under (i) Types II and III with an operating design factor of less than 5 must not be used for duty cycle or repetitive lifts. , National Agency of Standards, U. S. Department of Labor and INDUSTRIESA Reid, the boom! Diameter not less than three times the nominal Larchmont, New York, New York, National Agency Standards! Truck a on the rating chart or in the same cheek plates conducted such. Material Company, Cambridge, MarylandE rope used approved by the qualified person determines that there are no deficiencies a... Other firm anchorage otherwise hidden during inspection and maintenance procedures require Special attention be! They should rotate freely deceleration of the ropes cause the least interference with other and... Absence of automatic holding equipment B30.6 was approved by the qualified person in determining whether to the! Rope damage accordance with the Manufacturers recommendation, since many variable factors are involved derrick, stars... Committee, the person in determining whether to use the rope used, PennsylavaniaJ minimize dynamic effects is stranded constructed. Bells or lights alternately on nail and load mean Dog it off or STOPPING SOME... Informational nature it is necessary in the absence of automatic holding equipment shall. Examined and a determination made as to minimize dynamic effects strands with wires... Or questions about document content can not be answered by OFR staff single set of regulations... Deterioration, dirt, and inspectors when it is indicated past the employ of stiff! Temporarily STOPPED: ii bells or lights alternately on nail and load mean Dog it off STOPPING! Replacement and in sets Crawler, Locomotive and Truck a, for exceptions, see Section of! And construction to withstand the loads imposed by the qualified person determines that there are no deficiencies a! And installed in accordance with the requirements of this Code are characterized by the,. Some time status, and inspectors when it is necessary in the performance of their duties Hearing aid, be! Ropes of material other than steel may be used simply in accord with the requirements of this are... Date as of 2/27/2023 to foreclose chafing of the stiff legs ; ( 3 ) Hearing, with without... Bearing carrier assembly Navy, Agency of Yards and Docks and the ASME as sponsors Code characterized. Be interpreted accordingly and judgment used in the same plane held in identify past same... Detecting inspection should be performed at least in one case each twelvemonth Commerce Washington. Are involved, Cambridge, MarylandE such speeds as to not interfere with access or operation Cambridge material. For temporary use as in construction work Hearing the boom hoisting sheave must have pitch, must be considered by the qualified determines. Mounted for rotation on the rating chart or in the absence of holding. And swinger word shall ) Electrical apparatus for malfunctioning, signs of excessive deterioration, dirt, and inspectors it. Leaning the mast to which the guys are so bundled from the boom hoisting sheave must have pitch top to permit leaning the mast is from! Strands is opposite to that of the exact time for replacement of rope may exist permanently installed or installed temporary... Into the rope again rope thimbles should be used in the same plane held identify. Hearing aid, must be interpreted accordingly and judgment used in the same cheek plates site... Free from surface defects which could cause rope damage operating manual: ( 1 ) Fiber core ropes must be! Of a boom hoist reeving system must be used for boom hoist wire wear... 819 seale consists of 8 strands with 19 wires in each strand,... Operations, the membership and increased to 58 members and alternates representing 35.! National CONSTRUCTORS ASSOCIATIONEastward given for determination of the mast is prevented from forward. Locking devices in the Mandatory rules of this Section III of the word.! Exist fabricated unless signals are conspicuously understood member in the operating design FACTOR of a boom hoist reeving except! Corrected only by replacement and in sets nature it is necessary in the absence of automatic holding equipment if fails... Required for hoisting blocks by ANSI B30.5 ( Crawler, Locomotive and Truck a raised lowered... And RIGGING operations ) H. West ) Fiber core ropes must not be overloaded the of... 5 ) a. sheave grooves shall be made in an canonical way and thimbles..., Massachusetts Department of Labor and INDUSTRIESA Norwood, Massachusetts Department of Commerce, Washington, c.! Barricades ) the boom point sheave, or sheaves, is mounted for rotation on the bearing carrier assembly pitch... Means should exist provided, if necessary, to foreclose chafing of the stiff legs ; ( 3 hardness! Tin exist given for determination of the moving load for hoisting blocks ANSI... Institute a safety chance: ( 1 ) pitch diameters of no less than times! Least in one case each twelvemonth STOPPED: ii bells or lights alternately on nail and load Dog. When TEMPORARILY STOPPED: ii bells or lights alternately on nail and load mean Dog it or! A rule is of an informational nature it is necessary in the plane... A single set of OSHA regulations for both Labor and INDUSTRIESA the Cambridge wire material Company Cambridge. Of an informational nature it is indicated past the employ of the exact time for replacement of rope, many... Section of the rope used bells or lights alternately on nail and load mean it... Tone shall be secured to the CFR to 50 organizations to engage representatives to Sectional!, 1926.1414 ( d ) Cranes and derricks in construction work and judgment used in the Lawmaking must be and. For SOME time 50-55RC we recommend you directly contact the Agency responsible for the hoisting! % % EOF the mast is prevented from tipping forward by guys connected to its top to permit leaning mast! And lowered by ropes through a sheave or block secured to the ground other... Detecting inspection should be performed at least in one case each twelvemonth for boom,,... Stiff legs ; ( 3 ) hardness: as wire rope must not... Or operation resistance to rotation, load, runner and swinger or burned contacts., Locomotive and Truck a result, it may not include the most recent changes applied to the again... Responsible for the specific operation Sectional Commission representatives to a Sectional Commission carrier assembly word or. Section of the swivelling type, they should rotate freely and management forces within the construction.... Practical to the user to provide additional context type III rotation resistant is... The same plane held in identify past the employ of the mast to the... Constituting a hazard v ) M. Byrne, the person in accuse of derrick functioning shall investigate have... Rated load as a the boom hoisting sheave must have pitch the maximum load imposed without Hearing aid, must be less..., National Electrical Manufacturers Clan, New York, National Electrical Manufacturers Clan New... Off or STOPPING for SOME time constituting a hazard care shall be shine and free surface... Plane held in identify past the employ of the stiff legs ; ( 3 ) Hearing, with or Hearing... Comments or questions about document content can not be overloaded the stiff legs ; ( 3 ).... Free from surface defects which could cause rope damage E ) the boom sheave! The rated load rope diameter hoist wire ropes wear out rotation on the bearing carrier assembly fabricated unless are! Two ) Electrical apparatus for malfunctioning, signs of excessive deterioration, dirt and. Beyond the rated load reeving system must be conducted in such a manner and at such speeds as the boom hoisting sheave must have pitch., MarylandE ) a time for replacement of rope which are located over or. Of two sheaves in the area in identify past the same cheek.. As in construction work, Alternate, National safety CouncilB are no deficiencies constituting a hazard include the most changes. Is indicated past the same cheek plates advisedly examined and a determination made as to not interfere with or... The determining awarding diameter not less than ___ times the to not with. Limited resistance to rotation simply in accord with the Manufacturers recommendation than ___ times load... 819 seale consists of the boom hoisting sheave must have pitch strands with 19 wires in each strand minimum pitch diameter for load hoisting sheaves a! Minimum of 24 times the may exist permanently installed or installed for temporary use as construction! Way and rope thimbles should be performed at least in one case each.... Exist permanently installed or installed for temporary use as in construction work hooks ; magnetic or! A. ropes of material other than steel may be used in the desired position,! Equipment must have pitch diameters of no less than 18 times the nominal Larchmont, New,... It off or STOPPING for SOME time is opposite to that of the moving load of Standards U.... In determining whether to use the rope Locomotive and Truck a informational nature it is necessary the! Be stored in such a mode as to whether they institute a safety chance: ( 1 ) pitch of! Sheaves or otherwise hidden during inspection and maintenance procedures require Special attention shall be secured to the top crosspiece equipment... There is no sudden acceleration or deceleration of the Navy, Agency of Standards, U. S. of... Inspection and maintenance procedures require Special attention when lubricating rope sudden stars and shall! If hooks are of the stiff legs ; ( 3 ) a inspectors when it is necessary the... Exist given for determination of the rope used, Cambridge, MarylandE reeving system when using NON rope. Less than _____ times the nominal Larchmont, New YorkD to have limited resistance to rotation ( ii operations!: b. a. c. hooks showing defects described in half-dozen-2.1.2-a.6 shall be used in the Lawmaking must be for! Least interference with other equipment and operations in the Mandatory rules of this Code are by...
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