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 Code of Federal Regulations (Last Updated: November 8, 2024)
 Title 29 - Labor
 Subtitle B - Regulations Relating to Labor
 Chapter XVII - Occupational Safety and Health Administration, Department of Labor
 Part 1918 - Safety and Health Regulations for Longshoring

  Appendix II to Part 1918 - Tables for Selected Miscellaneous Auxiliary Gear (Mandatory)  

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  • Appendix II to Part 1918 - Tables for Selected Miscellaneous Auxiliary Gear (Mandatory)

    Note:

    This appendix is mandatory and is to be used in the appropriate sections of part 1918 when certificates or the manufacturers' use recommendations are not available.

    Table 1 - Wire Rope Clips

    Improved plow steel, rope (Inches (cm)) Minimum number of clips Minimum spacing (Inches (cm))
    Drop forged Other
    material
    1⁄2 or less (1.3) 3 4 3 (7.6)
    5⁄8 (1.6) 3 4 33⁄4 (9.5)
    3⁄4 (1.9) 4 5 41⁄2 (11.4)
    7⁄8 (2.2) 4 5 51⁄4 (13.3)
    1 (2.5) 5 6 6 (15.2)
    11⁄8 (2.9) 6 6 63⁄4 (17.1)
    11⁄4 (3.2) 6 7 71⁄2 (19.1)
    13⁄8 (3.5) 7 7 81⁄4 (21.0)
    11⁄2 (3.8) 7 8 9 (22.9)

    Table 2 - Natural Fiber Rope and Rope Slings - Load Capacity in Pounds (lbs.) Safety Factor = 5 - Eye and Eye Sling - Basket Hitch

    [Angle of rope to horizontal - 90 deg. 60 deg. 45 deg. 30 deg.]

    Rope diameter nominal inch Vertical hitch Choker hitch Angle of rope to vertical
    0 deg. 30 deg. 45 deg. 60 deg.
    1⁄2 550 250 1,100 900 750 550
    9⁄16 700 350 1,400 1,200 1,000 700
    5⁄8 900 450 1,800 1,500 1,200 900
    3⁄4 1,100 550 2,200 1,900 1,500 1,100
    13⁄16 1,300 650 2,600 2,300 1,800 1,300
    7⁄8 1,500 750 3,100 2,700 2,200 1,500
    1 1,800 900 3,600 3,100 2,600 1,800
    11⁄16 2,100 1,100 4,200 3,600 3,000 2,100
    11⁄8 2,400 1,200 4,800 4,200 3,400 2,400
    11⁄4 2,700 1,400 5,400 4,700 3,800 2,700
    15⁄16 3,000 1,500 6,000 5,200 4,300 3,000
    11⁄2 3,700 1,850 7,400 6,400 5,200 3,700
    15⁄8 4,500 2,300 9,000 7,800 6,400 4,500
    13⁄4 5,300 2,700 10,500 9,200 7,500 5,300
    2 6,200 3,100 12,500 10,500 8,800 6,200
    21⁄8 7,200 3,600 14,500 12,500 10,000 7,200
    21⁄4 8,200 4,100 16,500 14,000 11,500 8,200
    21⁄2 9,300 4,700 18,500 16,000 13,000 9,300
    25⁄8 10,500 5,200 21,000 18,000 14,500 10,500
    Endless Sling
    1⁄2 950 500 1,900 1,700 1,400 950
    9⁄16 1,200 600 2,500 2,200 1,800 1,200
    5⁄8 1,600 800 3,200 2,700 2,200 1,600
    3⁄4 2,000 950 3,900 3,400 2,800 2,000
    13⁄16 2,300 1,200 4,700 4,100 3,300 2,300
    7⁄8 2,800 1,400 5,600 4,800 3,900 2,800
    1 3,200 1,600 6,500 5,600 4,600 3,200
    11⁄16 3,800 1,900 7,600 6,600 5,400 3,800
    11⁄8 4,300 2,200 8,600 7,500 6,100 4,300
    11⁄4 4,900 2,400 9,700 8,400 6,900 4,900
    15⁄16 5,400 2,700 11,000 9,400 7,700 5,400
    11⁄2 6,700 3,300 13,500 11,500 9,400 6,700
    15⁄8 8,100 4,100 16,000 14,000 11,500 8,100
    13⁄4 9,500 4,800 19,000 16,500 13,500 9,500
    2 11,000 5,600 22,500 19,500 16,000 11,000
    21⁄8 13,000 6,500 26,000 22,500 18,500 13,000
    21⁄4 15,000 7,400 29,500 25,500 21,000 15,000
    21⁄2 16,500 8,400 33,500 29,000 23,500 16,500
    25⁄8 18,500 9,500 37,000 32,500 26,500 18,500

    Table 3A

    Polypropylene Rope and Rope Slings
    Load Capacity in Pounds (lbs.) Safety Factor = 6
    Eye and Eye Sling
    Basket Hitch
    Angle of rope to horizontal
    Rope diameter nominal in. Vertical hitch Choker hitch Angle of rope to vertical
    0 deg. 30 deg. 45 deg. 60 deg.
    1⁄2 650 350 1,300 1,200 950 650
    9⁄16 800 400 1,600 1,400 1,100 800
    5⁄8 1,000 500 2,000 1,700 1,400 1,000
    3⁄4 1,300 700 2,700 2,300 1,900 1,300
    13⁄16 1,600 800 2,600 2,300 2,200 1,600
    7⁄8 1,800 900 3,100 2,700 2,600 1,800
    1 2,200 1,100 3,600 3,100 3,100 2,200
    11⁄16 2,500 1,300 4,200 3,600 3,600 2,500
    11⁄8 2,900 1,500 4,800 4,200 4,100 2,900
    11⁄4 3,300 1,700 6,700 5,800 4,700 3,300
    15⁄16 3,700 1,900 7,400 6,400 5,300 3,700
    11⁄2 4,700 2,400 9,400 8,100 6,700 4,700
    15⁄8 5,700 2,900 11,500 9,900 8,100 5,700
    13⁄4 6,800 3,400 13,500 12,000 9,600 6,800
    2 8,200 4,100 16,500 14,500 11,500 8,200
    21⁄8 9,700 4,800 19,500 16,500 13,500 9,700
    21⁄4 11,000 5,500 22,000 19,000 15,500 11,000
    21⁄2 12,500 6,300 25,500 22,000 18,000 12,500
    25⁄8 14,500 7,100 28,500 24,500 20,000 14,500

    Table 3B

    Polypropylene Rope and Rope Slings
    Load Capacity in Pounds (lbs.) Safety Factor = 6
    Endless Sling
    Basket Hitch
    Angle of rope to horizontal
    90 deg. 60 deg. 45 deg. 30 deg.
    Rope diameter nominal in. Vertical hitch Choker hitch Angle of rope to vertical
    0 deg. 30 deg. 45 deg. 60 deg.
    1⁄2 1,200 600 2,400 2,100 1,700 1,200
    9⁄16 1,500 750 2,900 2,500 2,100 1,500
    5⁄8 1,800 900 3,500 3,100 2,500 1,800
    3⁄4 2,400 1,200 4,900 4,200 3,400 2,400
    13⁄16 2,800 1,400 5,600 4,900 4,000 2,800
    7⁄8 3,300 1,600 6,600 5,700 4,600 3,300
    1 4,000 2,000 8,000 6,900 5,600 4,000
    11⁄16 4,600 2,300 9,100 7,900 6,500 4,600
    11⁄8 5,200 2,600 10,500 9,000 7,400 5,200
    11⁄4 6,000 3,000 12,000 10,500 8,500 6,000
    15⁄16 6,700 3,400 13,500 11,500 9,500 6,700
    11⁄2 8,500 4,200 17,000 14,500 12,000 8,500
    15⁄8 10,500 5,100 20,500 18,000 14,500 10,500
    13⁄4 12,500 6,100 24,500 21,000 17,500 12,500
    2 15,000 7,400 29,500 25,500 21,000 15,000
    21⁄8 17,500 8,700 35,500 30,100 24,500 17,500
    21⁄4 19,500 9,900 39,500 34,000 28,000 19,500
    21⁄2 23,000 11,500 45,500 39,500 32,500 23,000
    25⁄8 25,500 13,000 51,500 44,500 36,500 25,500

    Table 4A - Rated Load for Grade 80 Alloy Steel Chain Slings1 (Chain per NACM)

    Chain size nominal Single leg sling-90 deg. to horizontal loading Rated load double leg sling horizontal angle (note 2)
    inch mm lb kg 60 deg.
    Double at 60 deg.     		45 deg.
    Double at 45 deg.     		30 deg.
    Double at 30 deg.
    lb kg lb kg lb kg
    1⁄4 7 3,500 1,570 6,100 2,700 4,900 2,200 3,500 1,590
    3⁄8 10 7,100 3,200 12,300 5,500 10,000 4,500 7,100 3,200
    1⁄2 13 12,000 5,400 20,800 9,400 17,000 7,600 1,200 5,400
    5⁄8 16 18,100 8,200 31,300 14,200 25,600 11,600 18,100 8,200
    3⁄4 20 28,300 12,800 49,000 22,300 40,000 18,200 28,300 12,900
    7⁄8 22 34,200 15,500 59,200 27,200 48,400 22,200 34,200 15,700
    1 26 47,700 21,600 82,600 37,900 67,400 31,000 47,700 21,900
    11⁄4 32 72,300 32,800 125,200 56,800 102,200 46,400 72,300 32,800

    Notes:

    (1) Other grades of proof tested steel chain include Proof Coil (Grade 28), Hi-Test (grade 43 Chain, and Transport (grade 70) Chain. These grades are not recommended for overhead lifting and therefore are not covered by this standard.

    (2) Rating of multi-leg slings adjusted for angle of loading between the inclined leg and the horizontal plane of the load.

    Table 4B - Maximum Allowable Wear at any Point of Link

    Nominal chain or coupling link size Maximum allowable wear of cross-sectional diameter, in.
    inch mm
    1⁄4 7 0.037
    3⁄8 10 0.052
    1⁄2 13 0.060
    5⁄8 16 0.084
    3⁄4 20 0.105
    7⁄8 22 0.116
    1 26 0.137
    11⁄4 32 0.169

    Note: For other sizes, consult chain or sling manufacturer.

    Table 5 - Safe Working Loads for Shackles

    [In tons of 2,000 pounds]

    Material size Pin diameter Safe working load in 2,000 lb tons
    Inches (cm) Inches (cm)
    1⁄2 (1.3) 5⁄8 (1.6) 1.4
    5⁄8 (1.6) 3⁄4 (1.9) 2.2
    3⁄4 (1.9) 7⁄8 (2.2) 3.2
    7⁄8 (2.2) 1 (2.5) 4.3
    1 (2.5) 11⁄8 (2.9) 5.6
    11⁄8 (2.9) 11⁄4 (3.2) 6.7
    11⁄4 (3.2) 13⁄8 (3.5) 8.2
    13⁄8 (3.5) 11⁄2 (3.8) 10.0
    11⁄2 (3.8) 15⁄8 (4.1) 11.9
    13⁄4 (4.4) 2 (5.1) 16.2
    2 (5.1) 21⁄4 (5.7) 21.2

    Wire Rope Table - Rate Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Improved Plow Steel Grade Rope With Fiber Core (FC)

    [Rated loads [note 1], tons (2,000 lb)]

    Vertical Choker
    Rope diameter, inch HT MS S HT, MS&S
    1⁄4 0.49 0.51 0.55 0.38
    5⁄16 0.78 0.79 0.85 0.6
    3⁄8 1.1 1.1 1.2 0.85
    7⁄16 1.4 1.5 1.7 1.2
    1⁄2 1.8 2.0 2.1 1.5
    9⁄16 2.3 2.5 2.7 1.9
    5⁄8 2.8 3.1 3.3 2.3
    3⁄4 3.9 4.4 4.8 3.3
    7⁄8 5.2 6.0 6.4 4.5
    1 6.7 7.7 4.8 5.9
    11⁄8 8.4 9.5 11 7.4
    11⁄4 10 12 13 9.0
    13⁄8 12 14 15 11
    11⁄2 15 17 18 13
    15⁄8 17 19 21 15
    13⁄4 20 22 25 17
    2 26 29 32 22

    HT = Hand Tucked Splice.

    For Hidden Tuck Splice (IWRC), use vales in HT (FC) columns.

    MS = Mechanical Splice.

    S = Poured Socket or Swaged Socket.

    Note: (1) These values are based on slings being vertical. If they are not vertical, the rated load shall be reduced. If two or more slings are used, the minimum horizontal angle between the slings shall also be considered.

    Wire Rope Table - Rated Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Extra Improved Plow Steel Grade Rope With Independent Wire Rope Core (IWRC)

    [Rated loads [note 1] , tons (2,000 lb)]

    Vertical Choker Vertical basket
    Rope diameter, inch HT MS S HT, MS&S [Note (2)] HT [Note (3)] MS&S
    1⁄4 0.53 0.59 0.59 0.31 1.1 1.1
    5⁄16 0.82 0.87 0.92 0.64 1.6 1.7
    3⁄8 1.2 1.2 1.3 0.92 2.3 2.5
    7⁄16 1.5 1.7 1.8 1.2 3.1 3.4
    1⁄2 2.0 2.2 2.3 1.6 4.0 4.4
    9⁄16 2.5 2.8 2.9 2.0 1.9 5.5
    5⁄8 3.0 3.4 3.6 2.6 6.0 6.8
    3⁄4 4.2 4.9 5.1 3.6 8.4 9.7
    7⁄8 5.5 6.6 6.9 4.8 11 13
    1 7.2 8.5 9.0 6.3 14 17
    11⁄8 9.0 10 11 7.9 18 20
    11⁄4 11 13 14 9.7 22 26
    13⁄8 13 15 17 12 27 31
    11⁄2 16 18 20 14 32 37
    15⁄8 18 21 23 16 37 43
    13⁄4 21 25 27 19 43 49
    2 28 32 34 24 55 64

    HT = Hand tucked Splice

    For Hidden Tuck Splice (IWRC), use values in HT columns of Table 3.

    MS = Mechanical Splice. S = Poured Socket or Swaged Socket.

    Notes:

    (1) These values are based on slings being vertical. If they are not vertical, the rated load shall be reduced. If they are not vertical, the rated load shall be reduced. If two or more slings are used, the minimum horizontal angle between the slings shall also be considered.

    (2) These values only apply when the D/d ratio is 15 or greater.

    (3) These values only apply when the D/d ratio is 25 or greater.

    D = Diameter or curvature around which the body of the sling is bent. d = Diameter of rope.

    Wire Rope Table-Rated Loads for Single Leg Slings 6 × 19 or 6 × 37 Classification Extra Improved Plow Steel Grade Rope With Independent Wire Rope Core (IWRC)

    [Rated loads [note 1], tons (2,000 lb)]

    Vertical Choker Vertical basket
    [note (2)]
    Rope diameter MS S MS&S MS&S
    1⁄4 0.65 0.68 0.48 1.3
    5⁄16 1.0 1.1 .074 2.0
    3⁄8 1.4 1.5 1.1 2.9
    7⁄16 1.9 2.0 1.4 3.9
    1⁄2 2.5 2.7 1.9 5.1
    9⁄16 3.2 3.4 2.4 6.4
    5⁄8 3.9 4.1 2.9 7.8
    3⁄4 5.6 5.9 4.1 11
    7⁄8 7.6 8.0 5.6 15
    1 9.8 10 7.2 20
    11⁄8 12 13 9.1 24
    11⁄4 15 16 11 30
    13⁄8 18 19 13 36
    11⁄2 21 23 16 42
    15⁄8 24 26 18 49
    13⁄4 28 31 21 57
    2 37 40 28 73

    HT = Hand tucked Splice

    For Hidden Tuck Splice (IWRC), use values in HT columns of Table 3.

    MS = Mechanical Splice.

    S = Poured Socket or Swaged Socket.

    Note: (1) These values are based on slings being vertical. If they are not vertical, the rated load shall be reduced. If they are not vertical, the rated load shall be reduced. If two or more slings are used, the minimum horizontal angle between the slings shall also be considered.

    (2) These values only apply when the D/d ratio is 25 or greater.

    [62 FR 40202, July 25, 1997, as amended at 65 FR 40947, June 30, 2000]