The provisions of this section apply to ship repairing, shipbuilding and shipbreaking.
Table E-1 - Dimensions and Spacing of Wood Independent-Pole Scaffold
Members
____________________________________________________________________
|
| Light duty (Up to 25 pounds
| per square foot)-Height in feet
Structural members |____________________________________
| | |
| <24 | >24<40 | >40<60
_______________________________|____________|____________|__________
| | |
Poles or uprights (in inches)..| 2x4 | 3x4 or 2x6 | 4x4
Bearers (in inches) ...........| 2x6 | 2x6 | 2x6
Ledgers (in inches) ...........| 2x6 | 2x6 | 2x6
Stringers (not supporting | | |
bearers) (in inches) .........| 1x6 | 1x6 | 1x6
Braces (in inches) ............| 1x4 | 1x6 | 1x6
Pole spacing-longitudinally | | |
(in feet) ....................| 7 1/2 | 7 1/2 | 7 1/2
Pole spacing-transversely | | |
(in feet) ....................| 6 1/2 min | 7 1/2 min |8 1/2 min
Ledger spacing-vertically | | |
(in feet) ....................| 7 | 7 | 7
Poles or uprights (in inches)..| 3x4 | 4x4 | 4x6
Bearers (in inches) ...........| 2x8 | 2x8 | 2x10
Ledgers (in inches) ...........| 2x8 | 2x8 | 2x8
Stringers (not supporting | | |
bearers) (in inches) .........| 1x6 | 1x6 | 1x6
Braces (in inches) ............| 1x6 | 1x6 | 1x6
Pole spacing-longitudinally | | |
(in feet) ....................| 7 | 7 | 7
Pole spacing-transversely | | |
(in feet) ....................| 6 1/2 | 10 | 10
Ledger spacing-vertically | | |
(in feet) ....................| 4 1/2 | 4 1/2 | 4 1/2
_______________________________|____________|____________|__________
Table E-2 - Specifications for Side Rails of Ladders
______________________________________________________
|
| Cross section (in inches)
Length (in feet) |___________________________________
| |
| At ends | At center
__________________|________________|__________________
| |
15 ...............| 1 7/8 x 2 3/4 | 1 7/8 x 3 3/4
16 ...............| 1 7/8 x 2 3/4 | 1 7/8 x 3 3/4
18 ...............| 1 7/8 x 3 | 1 7/8 x 4
20 ...............| 1 7/8 x 3 | 1 7/8 x 4
24 ...............| 1 7/8 x 3 | 1 7/8 x 4 1/2
__________________|________________|__________________
Table E-3 - Specifications for the Construction of Horses
__________________________________________________________
|
| Height in feet
Structural members |___________________________________
| | |
| <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 | Lumber dimensions in inches
in |_________________________________________________________
feet | | | | | |
| A | B | A | B | A | B
______|______|__________|______|_________|_____|________________
| | | | | |
| 2x10 | 1 5/8 x | 2x12 | 1 5/8 x | 3x8 | 2 5/8 x 7 1/2
| | 9 1/2 | | 11 1/2 | |
|______|__________|______|_________|_____|________________
| | | | | |
6 ....| 256 | | 309 | | 526 |
8 ....| 192 | | 232 | | 395 |
10 ...| 153 | | 186 | | 316 |
12 ...| 128 | | 155 | | 263 |
14 ...| 110 | | 133 | | 225 |
16 ...| | | 116 | | 197 |
6 ....| 667 | | 807 | | |
8 ....| 500 | | 605 | | |
10 ...| 400 | | 484 | | |
12 ...| 333 | | 404 | | |
14 ...| 286 | | 346 | | |
16 ...| 250 | | 303 | | |
______|______|__________|______|_________|_____|_________________
Footnote(A) Rough lumber.
Footnote(B) Dressed lumber.
Table G-1 - Manila Rope
[In pounds or tons of 2,000 pounds]
____________________________________________________________________
| | | | |
| Diameter | Single | 60 deg. | 45 deg. | 30 deg.
Circumferences| in inches | leg | bridle | bridle | bridle
______________|___________|________|_________|_________|____________
| | lbs. | lbs. | lbs. | lbs.
3/4 ..........| 1/4 | 120 | 204 | 170 | 120
1 ............| 5/16 | 200 | 346 | 282 | 200
1 1/8 ........| 3/8 | 270 | 467 | 380 | 270
1 1/4 ........| 7/16 | 350 | 605 | 493 | 350
1 3/8 ........| 15/32 | 450 | 775 | 635 | 450
1 1/2 ........| 1/2 | 530 | 915 | 798 | 530
1 3/4 ........| 9/16 | 690 | 1190 | 973 | 690
2 ............| 5/8 | 880 | 1520 | 1240 | 880
2 1/4 ........| 3/4 | 1080 | 1870 | 1520 | 1080
2 1/2 ........| 13/16 | 1300 | 2250 | 1830 | 1300
2 3/4 ........| 7/8 | 1540 | 2660 | 2170 | 1540
3 ............| 1 | 1800 | 3120 | 2540 | 1800
| | Tons | Tons | Tons | Tons
3 1/4 ........| 1 1/16 | 1.0 | 1.7 | 1.4 | 1.0
3 1/2 ........| 1 1/8 | 1.2 | 2.1 | 1.7 | 1.2
3 3/4 ........| 1 1/4 | 1.35 | 2.3 | 1.9 | 1.35
4 ............| 1 5/16 | 1.5 | 2.6 | 2.1 | 1.5
4 1/2 ........| 1 1/2 | 1.8 | 3.1 | 2.5 | 1.8
5 ............| 1 5/8 | 2.25 | 3.9 | 3.2 | 2.25
5 1/2 ........| 1 3/4 | 2.6 | 4.5 | 3.7 | 2.6
6 ............| 2 | 3.1 | 5.4 | 4.4 | 3.1
6 1/2 ........| 2 1/8 | 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]
____________________________________________________________________
|
| Single leg
Rope diameter |____________________________________________________
| |
| Vertical | Choker
_______________|__________________________|_________________________
| | | | | |
| A | B | C | A | B | C
_______________|________|________|________|________|________|_______
6 x 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
1 1/8" ........| 11 | 10 | 9.0 | 8.5 | 7.8 | 6.8
_______________|________|________|________|________|________|_______
6 x 37 Classification
____________________________________________________________________
| | | | | |
1 1/4" ........| 13 | 12 | 10 | 9.9 | 9.2 | 7.9
1 3/8" ........| 16 | 15 | 13 | 12 | 11 | 9.6
1 1/2" ........| 19 | 17 | 15 | 14 | 13 | 11
1 3/4" ........| 26 | 24 | 20 | 19 | 18 | 15
2" ............| 33 | 30 | 26 | 25 | 23 | 20
2 1/4" ........| 41 | 38 | 33 | 31 | 29 | 25
_______________|________|________|________|________|________|_______
Footnote(A) - Socket or Swaged Terminal attachment.
Footnote(B) - Mechanical Sleeve attachment.
Footnote(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
____________________________________________________________________
| | |
| Vertical | 60 deg. Bridle | 45 deg. Bridle
Rope |____________________|____________________|________________
diameter | | | | | | | | |
| A | B | C | A | B | C | A | B | C
_________|______|______|______|______|______|______|_____|_____|____
6 x 19 Classification
____________________________________________________________________
| | | | | | | | |
1/4" ....| 1.2 | 1.1 | 1.0 | 1.0 | .97 | .92 | .83 | .79 | .75
3/8" ....| 2.6 | 2.5 | 2.3 | 2.3 | 2.1 | 2.0 | 1.8 | 1.8 |1.6
1/2" ....| 4.6 | 4.4 | 3.9 | 4.0 | 3.8 | 3.4 | 3.2 | 3.1 |2.8
5/8" ....| 7.2 | 6.8 | 6.0 | 6.2 | 5.9 | 5.2 | 5.1 | 4.8 |4.2
3/4" ....| 10 | 9.7 | 8.4 | 8.9 | 8.4 | 7.3 | 7.2 | 6.9 |5.9
7/8" ....| 14 | 13 | 11 | 12 | 11 | 9.6 | 9.8 | 9.3 |7.8
1" ......| 18 | 17 | 14 | 15 | 15 | 12 | 13 | 12 | 10
1 1/8" ..| 23 | 21 | 18 | 19 | 18 | 16 | 16 | 15 | 13
_________|______|______|______|______|______|______|_____|_____|____
6 x 37 Classification
____________________________________________________________________
| | | | | | | | |
1 1/4" ..| 26 | 24 | 21 | 23 | 21 | 18 | 19 | 17 | 15
1 3/8" ..| 32 | 29 | 25 | 28 | 25 | 22 | 22 | 21 | 18
1 1/2" ..| 38 | 35 | 30 | 33 | 30 | 26 | 27 | 25 | 21
1 3/4" ..| 51 | 47 | 41 | 44 | 41 | 35 | 36 | 33 | 29
2" ......| 66 | 61 | 53 | 57 | 53 | 46 | 47 | 43 | 37
2 1/4" ..| 83 | 76 | 66 | 72 | 66 | 57 | 58 | 54 | 47
_________|______|______|______|______|______|______|_____|_____|____
Table G-3 - Rated Capacities for Improved Plow Steel,
Independent Wire Rope Core, Wire Rope Slings
(Continued)
[in tons of 2,000 pounds]
__________________________________
Two-leg bridle or basket hitch
__________________________________
|
| 30 deg. Bridle
Rope |____________________
diameter | | |
| A | B | C
_________|______|______|______
6 x 19 Classification
______________________________
| | |
1/4" ....| .59 | .56 | .53
3/8" ....| 1.3 | 1.2 | 1.1
1/2" ....| 2.3 | 2.2 | 2.0
5/8" ....| 3.6 | 3.4 | 3.0
3/4" ....| 5.1 | 4.9 | 4.2
7/8" ....| 6.9 | 6.6 | 5.5
1" ......| 9.0 | 8.5 | 7.2
1 1/8" ..| 11 | 10 | 9.0
_________|______|______|______
6 x 37 Classification
______________________________
| | |
1 1/4" ..| 13 | 12 | 10
1 3/8" ..| 16 | 15 | 13
1 1/2" ..| 19 | 17 | 15
1 3/4" ..| 26 | 24 | 20
2" ......| 33 | 30 | 26
2 1/4" ..| 41 | 38 | 33
_________|______|______|______
Footnote(A) - Socket or Swaged Terminal Attachment.
Footnote(B) - Mechanical Sleeve Attachment.
Footnote(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 2000 pounds]
____________________________________________________________________
|
| Single leg
Rope diameter |_____________________________________________________
| |
| Vertical | Choker
______________|__________________________|__________________________
| | | | | |
| A | B | C | A | B | C
______________|________|________|________|________|________|________
6 x 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
1 1/8" ........| 10 | 9.5 | 8.4 | 7.9 | 7.1 | 6.3
_______________|________|________|________|________|________|_______
6 x 37 Classification
____________________________________________________________________
| | | | | |
1 1/4" ........| 12 | 11 | 9.8 | 9.2 | 8.3 | 7.4
1 3/8" ........| 15 | 13 | 12 | 11 | 10 | 8.9
1 1/2" ........| 17 | 16 | 14 | 13 | 12 | 10
1 3/4" ........| 24 | 21 | 19 | 18 | 16 | 14
2" ............| 31 | 28 | 25 | 23 | 21 | 18
_______________|________|________|________|________|________|_______
Footnote(A) - Socket or Swaged Terminal attachment.
Footnote(B) - Mechanical Sleeve attachment.
Footnote(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
____________________________________________________________________
| | |
| Vertical | 60 deg. Bridle | 45 deg. Bridle
Rope |____________________|____________________|________________
diameter | | | | | | | | |
| A | B | C | A | B | C | A | B | C
_________|______|______|______|______|______|______|_____|_____|____
6 x 19 Classification
____________________________________________________________________
| | | | | | | | |
1/4" ....| 1.1 | 1.0 | .99 | .95 | .88 | .85 | .77 | .72 | .70
3/8" ....| 2.4 | 2.2 | 2.1 | 2.1 | 1.9 | 1.8 | 1.7 | 1.6 |1.5
1/2" ....| 4.3 | 3.9 | 3.7 | 3.7 | 3.4 | 3.2 | 3.0 | 2.8 |2.6
5/8" ....| 6.7 | 6.2 | 5.6 | 5.8 | 5.3 | 4.8 | 4.7 | 4.4 |4.0
3/4" ....| 9.5 | 8.8 | 7.8 | 8.2 | 7.6 | 6.8 | 6.7 | 6.2 |5.5
7/8" ....| 13 | 12 | 10 | 11 | 10 | 8.9 | 9.1 | 8.4 |7.3
1" ......| 17 | 15 | 13 | 14 | 13 | 11 | 12 | 11 |9.4
1 1/8" ..| 21 | 19 | 17 | 18 | 16 | 16 | 15 | 13 | 12
_________|______|______|______|______|______|______|_____|_____|____
6 x 37 Classification
____________________________________________________________________
| | | | | | | | |
1 1/4" ..| 25 | 22 | 20 | 21 | 19 | 17 | 17 | 16 | 14
1 3/8" ..| 30 | 27 | 24 | 26 | 23 | 20 | 21 | 19 | 17
1 1/2" ..| 35 | 32 | 28 | 30 | 27 | 24 | 25 | 22 | 20
1 3/4" ..| 48 | 43 | 38 | 41 | 37 | 33 | 34 | 30 | 27
2" ......| 62 | 55 | 49 | 53 | 48 | 43 | 43 | 39 | 35
_________|______|______|______|______|______|______|_____|_____|____
Table G-5 - Rated Capacities for Improved
Plow Steel, Fiber Core, Wire Rope Slings
(Continued)
[in tons of 2,000 pounds]
______________________________
Two-leg bridle or basket hitch
______________________________
|
| 30 deg. Bridle
Rope |____________________
diameter | | |
| A | B | C
_________|______|______|______
6 x 19 Classification
______________________________
| | |
1/4" ....| .55 | .51 | .49
3/8" ....| 1.2 | 1.1 | 1.1
1/2" ....| 2.1 | 2.0 | 1.8
5/8" ....| 3.3 | 3.1 | 2.8
3/4" ....| 4.8 | 4.4 | 3.9
7/8" ....| 6.4 | 5.9 | 5.1
1" ......| 8.4 | 7.7 | 6.7
1 1/8" ..| 10 | 9.5 | 8.4
_________|______|______|______
6 x 37 Classification
______________________________
| | |
1 1/4" ..| 12 | 11 | 9.8
1 3/8" ..| 15 | 13 | 12
1 1/2" ..| 17 | 16 | 14
1 3/4" ..| 24 | 21 | 19
2" ......| 31 | 28 | 25
_________|______|______|______
Footnote(A) - Socket or Swaged Terminal Attachment.
Footnote(B) - Mechanical Sleeve Attachment.
Footnote(C) - Hand Tucked Splice Attachment.
Table G-6 - NUMBER AND SPACING OF U-BOLT WIRE ROPE CLIPS
____________________________________________________________________
| |
| Number of clips |
Improved plow steel, |_____________________| Minimum spacing,
rope diameter, inches | Drop | Other | inches
| forged | material |
_______________________|_________|___________|______________________
| | |
(1) ...................| ....... | ......... | ..................
1/2 ...................| 3 | 4 | 3
5/8 ...................| 3 | 4 | 3 3/4
3/4 ...................| 4 | 5 | 4 1/2
7/8 ...................| 4 | 5 | 5 1/4
1 .....................| 4 | 6 | 6
1 1/8 .................| 5 | 6 | 6 3/4
1 1/4 .................| 5 | 7 | 7 1/2
1 3/8 .................| 6 | 7 | 8 1/4
1 1/2 .................| 6 | 8 | 9
_______________________|_________|___________|______________________
Footnote(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)
________________________________________________________________
| | | |
| Single | 60 deg. | 45 deg.| 30 deg.
Nominal size chains stock | leg | bridle | bridle | bridle
__________________________|________|_________|________|_________
| | | |
1/4" (1) .................| 1060 | 1835 | 1500 | 1060
5/16" (1) ................| 1655 | 2865 | 2340 | 1655
3/8" (1) .................| 2385 | 2.1 | 3370 | 2385
7/16" (1) ................| 3250 | 2.8 | 2.3 | 3250
1/2" .....................| 2.1 | 3.7 | 3.0 | 2.1
9/16" (1) ................| 2.7 | 4.6 | 3.8 | 2.7
5/8" .....................| 3.3 | 5.7 | 4.7 | 3.3
3/4" .....................| 4.8 | 8.3 | 6.7 | 4.8
7/8" .....................| 6.5 | 11.2 | 9.2 | 6.5
1" .....................| 8.5 | 14.7 | 12.0 | 8.5
1 1/8" ...................| 10.0 | 17.3 | 14.2 | 10.0
1 1/4" ...................| 12.4 | 21.4 | 17.5 | 12.4
1 3/8" ...................| 15.0 | 25.9 | 21.1 | 15.0
1 1/2" ...................| 17.8 | 30.8 | 25.2 | 17.8
1 5/8" ...................| 20.9 | 36.2 | 29.5 | 20.9
1 3/4" ...................| 24.2 | 42.0 | 34.3 | 24.2
1 7/8" ...................| 27.6 | 47.9 | 39.1 | 27.6
2" .......................| 31.6 | 54.8 | 44.8 | 31.6
__________________________|________|_________|________|________
Footnote(1) These sizes of wrought iron chain are no longer
manufactured in the United States.
TABLE G-8 - ALLOY STEEL CHAIN
(In tons of 2,000 pounds)
________________________________________________________________
| | | |
| Single | 60 deg. | 45 deg.| 30 deg.
Nominal size chains stock | leg | bridle | bridle | bridle
__________________________|________|_________|________|_________
| | | |
1/4" .....................| 1.62 | 2.82 | 2.27 | 1.62
3/8" .....................| 3.30 | 5.70 | 4.65 | 3.30
1/2" .....................| 5.62 | 9.75 | 7.90 | 5.62
5/8" .....................| 8.25 | 14.25 | 11.65 | 8.25
3/4" .....................| 11.5 | 19.9 | 16.2 | 11.5
7/8" .....................| 14.3 | 24.9 | 20.3 | 14.3
1" .......................| 19.3 | 33.5 | 27.3 | 19.8
1 1/8" ...................| 22.2 | 38.5 | 31.5 | 22.2
1 1/4" ...................| 28.7 | 49.7 | 40.5 | 28.7
1 3/8" ...................| 33.5 | 58.0 | 47.0 | 33.5
1 1/2" ...................| 39.7 | 68.5 | 56.0 | 39.7
1 5/8" ...................| 42.5 | 73.5 | 59.5 | 42.5
1 3/4" ...................| 47.0 | 81.5 | 62.0 | 47.0
__________________________|________|_________|________|________
TABLE G-9 - MAXIMUM ALLOWABLE WEAR AT
ANY POINT OF LINK
____________________________________
|
| Maximum
| allowable
Chain size in inches | wear in
| fractions
| of inches
_______________________|____________
|
1/4 (9/32) ............| 3/64
3/8 ...................| 5/64
1/2 ...................| 7/64
5/8 ...................| 9/64
3/4 ...................| 5/32
7/8 ...................| 11/64
1 .....................| 3/16
1 1/8 .................| 7/32
1 1/4 .................| 1/4
1 3/8 .................| 9/32
1 1/2 .................| 5/16
1 3/4 .................| 11/32
_______________________|____________
TABLE G-10 - SAFE WORKING LOADS FOR SHACKLES
(In tons of 2000 pounds)
____________________________________________
| |
| Pin | Safe
Material size (inches) | diameter | working
| (inches) | load
_______________________|__________|_________
| |
1/2 ...................| 3/8 | 1.4
5/8 ...................| 3/4 | 2.2
3/4 ...................| 7/8 | 3.2
7/8 ...................| 1 | 4.3
1 .....................| 1 1/8 | 5.6
1 1/8 .................| 1 1/4 | 6.7
1 1/4 .................| 1 3/8 | 8.2
1 3/8 .................| 1 1/2 | 10.0
1 1/2 .................| 1 5/8 | 11.9
1 3/4 .................| 2 | 16.2
2 .....................| 1 1/4 | 21.2
_______________________|__________|_________
[61 fr 26321, May 24, 1996; 67 FR 44543, July 3, 2002]
Regulations (Standards - 29 CFR) - Table of Contents
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