CFR > Title 29 - Labor > SUBTITLE B—Regulations Relating to Labor > CHAPTER XVII—OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR (parts 1900 to 1990) > PART 1915—OCCUPATIONAL SAFETY AND HEALTH STANDARDS FOR SHIPYARD EMPLOYMENT > SUBPART G—Gear and Equipment for Rigging and Materials Handling (§1915.111 to §1915.120) > 1915.118—Tables.

1915.118—Tables.

The provisions of this section apply to ship repairing, shipbuilding and shipbreaking.
Table E-1—Dimensions and Spacing of Wood Independent-Pole Scaffold Members
Structural members Light duty (Up to 25 pounds per square foot)—Height in feet Heavy duty (25 to 75 pounds per square foot)—Height in feet
≤24 >24≤40 >40≤60 ≤24 >24≤40 >40≤60
Poles or uprights (in inches) 2 x 4 3 x 4 or 2 x 6 4 x 4 3 x 4 4 x 4 4 x 6
Bearers (in inches) 2 x 6 2 x 6 2 x 6 2 x 8 2 x 8 2 x 10
Ledgers (in inches) 2 x 6 2 x 6 2 x 6 2 x 8 2 x 8 2 x 8
Stringers (not supporting bearers) (in inches) 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6
Braces (in inches) 1 x 4 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6
Pole spacing—longitudinally (in feet) 71/2 71/2 71/2 7 7 7
Code of Federal Regulations 89
Pole spacing—transversely (in feet) 61/2 min 71/2 min 81/2 min 61/2 10 10
Ledger spacing—vertically (in feet) 7 7 7 41/2 41/2 41/2
Table E-2—Specifications for Side Rails of Ladders
Length (in feet) Cross section (in inches)
At ends At center
15 17/8 x 23/4 17/8 x 33/4
16 17/8 x 23/4 17/8 x 33/4
18 17/8 x 3 17/8 x 4
20 17/8 x 3 17/8 x 4
24 17/8 x 3 17/8 x 41/2
Table E-3—Specifications for the Construction of Horses
Structural members Height in feet
≤10 >10≤16 16≤20
inches inches inches
Legs 2 x 4 3 x 4 4 x 6
Bearers or headers 2 x 6 2 x 8 4 x 6
Crossbraces 2 x 4 2 x 4 2 x 6
or
1 x 8
Longitudinal braces 2 x 4 2 x 6 2 x 6
Table E-4—Safe Center Loads for Scaffold Plank of 1,100 Pounds Fibre Stress
Span in feet Lumber dimensions in inches
A B A B A B A B A B
2 x 10 15/8 x 91/2 2 x 12 15/8 x 111/2 3 x 8 25/8 x 71/2 3 x 10 25/8 x 91/2 3 x 12 25/8 x 111/2
6 256 309 526 667 807
8 192 232 395 500 605
10 153 186 316 400 484
12 128 155 263 333 404
14 110 133 225 286 346
16 116 197 250 303
(A)—Rough lumber.
(B)—Dressed lumber.
Table G-1—Manila Rope
[In pounds or tons of 2,000 pounds]
Circumferences Diameter in inches Single leg 60° bridle 45° bridle 30° bridle
lbs. lbs. lbs. lbs.
3/4 1/4 120 204 170 120
1 5/16 200 346 282 200
11/8 3/8 270 467 380 270
11/4 7/16 350 605 493 350
13/8 15/32 450 775 635 450
11/2 1/2 530 915 798 530
13/4 9/16 690 1190 973 690
2 5/8 880 1520 1240 880
21/4 3/4 1080 1870 1520 1080
21/2 13/16 1300 2250 1830 1300
Code of Federal Regulations 90
23/4 7/8 1540 2660 2170 1540
3 1 1800 3120 2540 1800
Tons Tons Tons Tons
31/4 11/16 1.0 1.7 1.4 1.0
31/2 11/8 1.2 2.1 1.7 1.2
33/4 11/4 1.35 2.3 1.9 1.35
4 15/16 1.5 2.6 2.1 1.5
41/2 11/2 1.8 3.1 2.5 1.8
5 15/8 2.25 3.9 3.2 2.25
51/2 13/4 2.6 4.5 3.7 2.6
6 2 3.1 5.4 4.4 3.1
61/2 21/8 3.6 6.2 5.1 3.6
Table G-2—Rated Capacities for Improved Plow Steel, Independent Wire Rope Core, Wire Rope and Wire Rope Slings
[In tons of 2,000 pounds]
Rope diameter Single leg Vertical A B C Choker A B C
6×19 Classification
1/4″ .59 .56 .53 .44 .42 .40
3/8″ 1.3 1.2 1.1 .98 .93 .86
1/2″ 2.3 2.2 2.0 1.7 1.6 1.5
5/8″ 3.6 3.4 3.0 2.7 2.5 2.2
3/4″ 5.1 4.9 4.2 3.8 3.6 3.1
7/8″ 6.9 6.6 5.5 5.2 4.9 4.1
1″ 9.0 8.5 7.2 6.7 6.4 5.4
11/8″ 11 10 9.0 8.5 7.8 6.8
6×37 Classification
11/4″ 13 12 10 9.9 9.2 7.9
13/8″ 16 15 13 12 11 9.6
11/2″ 19 17 15 14 13 11
13/4″ 26 24 20 19 18 15
2″ 33 30 26 25 23 20
21/4″ 41 38 33 31 29 25
(A)—Socket or Swaged Terminal attachment.
(B)—Mechanical Sleeve attachment.
(C)—Hand Tucked Splice attachment.
Table G-3—Rated Capacities for Improved Plow Steel, Independent Wire Rope Core, Wire Rope Slings
[in tons of 2,000 pounds]
Two-leg bridle or basket hitch Rope diameter Vertical A B C 60° bridle A B C 45° bridle A B C 30° bridle A B C
6×19 Classification
1/4″ 1.2 1.1 1.0 1.0 .97 .92 .83 .79 .75 .59 .56 .53
3/8″ 2.6 2.5 2.3 2.3 2.1 2.0 1.8 1.8 1.6 1.3 1.2 1.1
1/2″ 4.6 4.4 3.9 4.0 3.8 3.4 3.2 3.1 2.8 2.3 2.2 2.0
5/8″ 7.2 6.8 6.0 6.2 5.9 5.2 5.1 4.8 4.2 3.6 3.4 3.0
3/4″ 10 9.7 8.4 8.9 8.4 7.3 7.2 6.9 5.9 5.1 4.9 4.2
7/8″ 14 13 11 12 11 9.6 9.8 9.3 7.8 6.9 6.6 5.5
1″ 18 17 14 15 15 12 13 12 10 9.0 8.5 7.2
11/8″ 23 21 18 19 18 16 16 15 13 11 10 9.0
6×37 Classification
Code of Federal Regulations 91
11/4″ 26 24 21 23 21 18 19 17 15 13 12 10
13/8″ 32 29 25 28 25 22 22 21 18 16 15 13
11/2″ 38 35 30 33 30 26 27 25 21 19 17 15
13/4″ 51 47 41 44 41 35 36 33 29 26 24 20
2″ 66 61 53 57 53 46 47 43 37 33 30 26
21/4″ 83 76 66 72 66 57 58 54 47 41 38 33
(A)—Socket or Swaged Terminal Attachment.
(B)—Mechanical Sleeve Attachment.
(C)—Hand Tucked Splice Attachment.
Table G-4—Rated Capacities for Improved Plow Steel, Fiber Core, Wire Rope and Wire Rope Slings
[in tons of 2,000 pounds]
Rope diameter Single leg Vertical A B C Choker A B C
6×19 Classification
1/4″ .55 .51 .49 .41 .38 .37
3/8″ 1.2 1.1 1.1 .91 .85 .80
1/2″ 2.1 2.0 1.8 1.6 1.5 1.4
5/8″ 3.3 3.1 2.8 2.5 2.3 2.1
3/4″ 4.8 4.4 3.9 3.6 3.3 2.9
7/8″ 6.4 5.9 5.1 4.8 4.5 3.9
1″ 8.4 7.7 6.7 6.3 5.8 5.0
11/8″ 10 9.5 8.4 7.9 7.1 6.3
6×37 Classification
11/4″ 12 11 9.8 9.2 8.3 7.4
13/8″ 15 13 12 11 10 8.9
11/2″ 17 16 14 13 12 10
13/4″ 24 21 19 18 16 14
2″ 31 28 25 23 21 18
(A)—Socket or Swaged Terminal attachment.
(B)—Mechanical Sleeve attachment.
(C)—Hand Tucked Splice attachment.
Table G-5—Rated Capacities for Improved Plow Steel, Fiber Core, Wire Rope Slings
[In tons of 2,000 pounds]
Two-leg bridle or basket hitch Rope diameter Vertical A B C 60° bridle A B C 45° bridle A B C 30° bridle A B C
6 × 19 Classification
1/4″ 1.1 1.0 .99 .95 .88 .85 .77 .72 .70 .55 .51 .49
3/8″ 2.4 2.2 2.1 2.1 1.9 1.8 1.7 1.6 1.5 1.2 1.1 1.1
1/2″ 4.3 3.9 3.7 3.7 3.4 3.2 3.0 2.8 2.6 2.1 2.0 1.8
5/8″ 6.7 6.2 5.6 5.8 5.3 4.8 4.7 4.4 4.0 3.3 3.1 2.8
3/4″ 9.5 8.8 7.8 8.2 7.6 6.8 6.7 6.2 5.5 4.8 4.4 3.9
7/8″ 13 12 10 11 10 8.9 9.1 8.4 7.3 6.4 5.9 5.1
1″ 17 15 13 14 13 11 12 11 9.4 8.4 7.7 6.7
11/8″ 21 19 17 18 16 14 15 13 12 10 9.5 8.4
6 × 37 Classification
Code of Federal Regulations 92
11/4″ 25 22 20 21 19 17 17 16 14 12 11 9.8
13/8″ 30 27 24 26 23 20 21 19 17 15 13 12
11/2″ 35 32 28 30 27 24 25 22 20 17 16 14
13/4″ 48 43 38 41 37 33 34 30 27 24 21 19
2″ 62 55 49 53 48 43 43 39 35 31 28 25
(A)—Socket or Swaged Terminal attachment.
(B)—Mechanical Sleeve attachment.
(C)—Hand Tucked Splice attachment.
Table G-6—Number and Spacing of U-Bolt Wire Rope Clips
Improved plow steel, rope diameter, inches Number of clips Minimum spacing, inches
Drop forged Other material
(1)
1/2 3 4 3
5/8 3 4 33/4
3/4 4 5 41/2
7/8 4 5 51/4
1 4 6 6
11/8 5 6 63/4
11/4 5 7 71/2
13/8 6 7 81/4
11/2 6 8 9
1 Three clips shall be used on wire size less than 1/2-inch diameter.
Table G-7—Wrought Iron Chain




[In pounds or tons of 2,000 pounds]
Nominal size chains stock Single leg 60° bridle 45° bridle 30° bridle
1/4″ 1 1060 1835 1500 1060
5/16″ 1 1655 2865 2340 1655
3/8″ 1 2385 2.1 3370 2385