Title 29: Labor
PART 1915—OCCUPATIONAL SAFETY AND HEALTH STANDARDS FOR SHIPYARD EMPLOYMENT
Subpart G—Gear and Equipment for Rigging and Materials Handling
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§ 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---------------------------------------------------------------------------------------------------------------- Light duty (Up to 25 pounds per square Heavy duty (25 to 75 pounds per square foot)_Height in feet foot)_Height in feet Structural members ----------------------------------------------------------------------------------- [le]24 >24[le]40 >40[le]60 [le]24 >24[le]40 >40[le]60----------------------------------------------------------------------------------------------------------------Poles or uprights (in 2 x 4 3 x 4 or 2 x 4 x 4 3 x 4 4 x 4 4 x 6 inches).................... 6Bearers (in inches)......... 2 x 6 2 x 6 2 x 6 2 x 8 2 x 8 2 x 10Ledgers (in inches)......... 2 x 6 2 x 6 2 x 6 2 x 8 2 x 8 2 x 8Stringers (not supporting 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6 bearers) (in inches).......Braces (in inches).......... 1 x 4 1 x 6 1 x 6 1 x 6 1 x 6 1 x 6Pole spacing_longitudinally 7\1/2\ 7\1/2\ 7\1/2\ 7 7 7 (in feet)..................Pole spacing_transversely 6\1/2\ min 7\1/2\ min 8\1/2\ min 6\1/2\ 10 10 (in feet)..................Ledger spacing_vertically 7 7 7 4\1/2\ 4\1/2\ 4\1/2\ (in feet)..................----------------------------------------------------------------------------------------------------------------
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/ 1\7/8\ x 3\3/ 4\ 4\16.......................................... 1\7/8\ x 2\3/ 1\7/8\ x 3\3/ 4\ 4\18.......................................... 1\7/8\ x 3 1\7/8\ x 420.......................................... 1\7/8\ x 3 1\7/8\ x 424.......................................... 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 ------------------------------------- [le]10 >10[le]16 16[le]20------------------------------------------------------------------------ inches inches inchesLegs.............................. 2 x 4 3 x 4 4 x 6Bearers or headers................ 2 x 6 2 x 8 4 x 6Crossbraces....................... 2 x 4 2 x 4 2 x 6 or 1 x 8Longitudinal 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-------------------------------------------------------------------------------------------------------------------------------------------------------- Lumber dimensions in inches Span in feet -------------------------------------------------------------------------------------------------------- A B A B A B A B A B-------------------------------------------------------------------------------------------------------------------------------------------------------- 2 x 10 1\5/8\ x 2 x 12 1\5/8\ x 3 x 8 2\5/8\ x 3 x 10 2\5/8\ x 3 x 12 2\5/8\ x 9\1/2\ 11\1/2\ 7\1/2\ 9\1/2\ 11\1/2\ --------------------------------------------------------------------------------------------------------6.............................................. 256 .......... 309 .......... 526 .......... 667 .......... 8078.............................................. 192 .......... 232 .......... 395 .......... 500 .......... 60510............................................. 153 .......... 186 .......... 316 .......... 400 .......... 48412............................................. 128 .......... 155 .......... 263 .......... 333 .......... 40414............................................. 110 .......... 133 .......... 225 .......... 286 .......... 34616............................................. ....... .......... 116 .......... 197 .......... 250 .......... 303--------------------------------------------------------------------------------------------------------------------------------------------------------(A)_Rough lumber.(B)_Dressed lumber.
Table G-1_Manila Rope [In pounds or tons of 2,000 pounds]-------------------------------------------------------------------------------------------------------------------------------------------------------- Diameter in Circumferences inches Single leg 60° bridle 45° bridle 30° bridle-------------------------------------------------------------------------------------------------------------------------------------------------------- ............... lbs. lbs. lbs. lbs.\3/4\.............................................................. \1/4\ 120 204 170 1201.................................................................. \5/16\ 200 346 282 2001\1/8\............................................................. \3/8\ 270 467 380 2701\1/4\............................................................. \7/16\ 350 605 493 3501\3/8\............................................................. \15/32\ 450 775 635 4501\1/2\............................................................. \1/2\ 530 915 798 5301\3/4\............................................................. \9/16\ 690 1190 973 6902.................................................................. \5/8\ 880 1520 1240 8802\1/4\............................................................. \3/4\ 1080 1870 1520 10802\1/2\............................................................. \13/16\ 1300 2250 1830 13002\3/4\............................................................. \7/8\ 1540 2660 2170 15403.................................................................. 1 1800 3120 2540 1800 ............... Tons Tons Tons Tons3\1/4\............................................................. 1\1/16\ 1.0 1.7 1.4 1.03\1/2\............................................................. 1\1/8\ 1.2 2.1 1.7 1.23\3/4\............................................................. 1\1/4\ 1.35 2.3 1.9 1.354.................................................................. 1\5/16\ 1.5 2.6 2.1 1.54\1/2\............................................................. 1\1/2\ 1.8 3.1 2.5 1.85.................................................................. 1\5/8\ 2.25 3.9 3.2 2.255\1/2\............................................................. 1\3/4\ 2.6 4.5 3.7 2.66.................................................................. 2 3.1 5.4 4.4 3.16\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---------------------------------------------------------------------------------------------------------------- 6x19 Classificati on----------------------------------------------------------------------------------------------------------------\1/4\[inch]................. .59 .56 .53 .44 .42 .40\3/8\[inch]................. 1.3 1.2 1.1 .98 .93 .86\1/2\[inch]................. 2.3 2.2 2.0 1.7 1.6 1.5\5/8\[inch]................. 3.6 3.4 3.0 2.7 2.5 2.2\3/4\[inch]................. 5.1 4.9 4.2 3.8 3.6 3.1\7/8\[inch]................. 6.9 6.6 5.5 5.2 4.9 4.11[inch]..................... 9.0 8.5 7.2 6.7 6.4 5.41\1/8\[inch]................ 11 10 9.0 8.5 7.8 6.8---------------------------------------------------------------------------------------------------------------- 6x37 Classificati on----------------------------------------------------------------------------------------------------------------1\1/4\[inch]................ 13 12 10 9.9 9.2 7.91\3/8\[inch]................ 16 15 13 12 11 9.61\1/2\[inch]................ 19 17 15 14 13 111\3/4\[inch]................ 26 24 20 19 18 152[inch]..................... 33 30 26 25 23 202\1/4\[inch]................ 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--------------------------------------------------------------------------------------------------------------------------------------------------------- Vertical 60° bridle 45° bridle 30° bridle Rope diameter ----------------------------------------------------------------------------------------------------------- A B C A B C A B C A B C-------------------------------------------------------------------------------------------------------------------------------------------------------- 6x19 Classif ication--------------------------------------------------------------------------------------------------------------------------------------------------------\1/4\[inch]................................. 1.2 1.1 1.0 1.0 .97 .92 .83 .79 .75 .59 .56 .53\3/8\[inch]................................. 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\[inch]................................. 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\[inch]................................. 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\[inch]................................. 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\[inch]................................. 14 13 11 12 11 9.6 9.8 9.3 7.8 6.9 6.6 5.51[inch]..................................... 18 17 14 15 15 12 13 12 10 9.0 8.5 7.21\1/8\[inch]................................ 23 21 18 19 18 16 16 15 13 11 10 9.0-------------------------------------------------------------------------------------------------------------------------------------------------------- 6x37 Classif ication--------------------------------------------------------------------------------------------------------------------------------------------------------1\1/4\[inch]................................ 26 24 21 23 21 18 19 17 15 13 12 101\3/8\[inch]................................ 32 29 25 28 25 22 22 21 18 16 15 131\1/2\[inch]................................ 38 35 30 33 30 26 27 25 21 19 17 151\3/4\[inch]................................ 51 47 41 44 41 35 36 33 29 26 24 202[inch]..................................... 66 61 53 57 53 46 47 43 37 33 30 262\1/4\[inch]................................ 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]---------------------------------------------------------------------------------------------------------------- Single leg ----------------------------------------------------------------------------------- Rope diameter Vertical Choker ----------------------------------------------------------------------------------- A B C A B C---------------------------------------------------------------------------------------------------------------- 6x19 Classificati on----------------------------------------------------------------------------------------------------------------\1/4\[inch]................. .55 .51 .49 .41 .38 .37\3/8\[inch]................. 1.2 1.1 1.1 .91 .85 .80\1/2\[inch]................. 2.1 2.0 1.8 1.6 1.5 1.4\5/8\[inch]................. 3.3 3.1 2.8 2.5 2.3 2.1\3/4\[inch]................. 4.8 4.4 3.9 3.6 3.3 2.9\7/8\[inch]................. 6.4 5.9 5.1 4.8 4.5 3.91[inch]..................... 8.4 7.7 6.7 6.3 5.8 5.01\1/8\[inch]................ 10 9.5 8.4 7.9 7.1 6.3---------------------------------------------------------------------------------------------------------------- 6x37 Classificati on----------------------------------------------------------------------------------------------------------------1\1/4\[inch]................ 12 11 9.8 9.2 8.3 7.41\3/8\[inch]................ 15 13 12 11 10 8.91\1/2\[inch]................ 17 16 14 13 12 101\3/4\[inch]................ 24 21 19 18 16 142[inch]..................... 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--------------------------------------------------------------------------------------------------------------------------------------------------------- Vertical 60° bridle 45° bridle 30° bridle Rope diameter ----------------------------------------------------------------------------------------------- A B C A B C A B C A B C-------------------------------------------------------------------------------------------------------------------------------------------------------- 6 x 19 Classification--------------------------------------------------------------------------------------------------------------------------------------------------------\1/4\[inch].............................................................................................................................................\3/8\[inch].............................................................................................................................................\1/2\[inch].............................................................................................................................................\5/8\[inch].............................................................................................................................................\3/4\[inch].............................................................................................................................................\7/8\[inch].............................................................................................................................................1[inch].................................................................................................................................................1\1/8\[inch]............................................................................................................................................-------------------------------------------------------------------------------------------------------------------------------------------------------- 6 x 37 Classification--------------------------------------------------------------------------------------------------------------------------------------------------------1\1/4\[inch]............................................................................................................................................1\3/8\[inch]............................................................................................................................................1\1/2\[inch]............................................................................................................................................1\3/4\[inch]............................................................................................................................................2[inch].................................................................................................................................................--------------------------------------------------------------------------------------------------------------------------------------------------------(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------------------------------------------------------------------------ Number of clips -------------------- MinimumImproved plow steel, rope diameter, inches Drop Other spacing, forged material inches------------------------------------------------------------------------(\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 61\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------------------------------------------------------------------------\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° 45° 30° Nominal size chains stock leg bridle bridle bridle------------------------------------------------------------------------\1/4\[inch] \1\...................... 1060 1835 1500 1060\5/16\[inch] \1\..................... 1655 2865 2340 1655\3/8\[inch] \1\...................... 2385 2.1 3370 2385\7/16\[inch] \1\..................... 3250 2.8 2.3 3250\1/2\[inch].......................... 2.1 3.7 3.0 2.1\9/16\[inch] \1\..................... 2.7 4.6 3.8 2.7\5/8\[inch].......................... 3.3 5.7 4.7 3.3\3/4\[inch].......................... 4.8 8.3 6.7 4.8\7/8\[inch].......................... 6.5 11.2 9.2 6.51[inch].............................. 8.5 14.7 12.0 8.51\1/8\[inch]......................... 10.0 17.3 14.2 10.01\1/4\[inch]......................... 12.4 21.4 17.5 12.41\3/8\[inch]......................... 15.0 25.9 21.1 15.01\1/2\[inch]......................... 17.8 30.8 25.2 17.81\5/8\[inch]......................... 20.9 36.2 29.5 20.91\3/4\[inch]......................... 24.2 42.0 34.3 24.21\7/8\[inch]......................... 27.6 47.9 39.1 27.62[inch].............................. 31.6 54.8 44.8 31.6------------------------------------------------------------------------\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° 45° 30° Nominal size chain stock leg bridle bridle bridle------------------------------------------------------------------------\1/4\[inch].......................... 1.62 2.82 2.27 1.62\3/8\[inch].......................... 3.30 5.70 4.65 3.30\1/2\[inch].......................... 5.62 9.75 7.90 5.62\5/8\[inch].......................... 8.25 14.25 11.65 8.25\3/4\[inch].......................... 11.5 19.9 16.2 11.5\7/8\[inch].......................... 14.3 24.9 20.3 14.31[inch].............................. 19.3 33.5 27.3 19.81\1/8\[inch]......................... 22.2 38.5 31.5 22.21\1/4\[inch]......................... 28.7 49.7 40.5 28.71\3/8\[inch]......................... 33.5 58.0 47.0 33.51\1/2\[inch]......................... 39.7 68.5 56.0 39.71\5/8\[inch]......................... 42.5 73.5 59.5 42.51\3/4\[inch]......................... 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 fraction 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 2,000 pounds]------------------------------------------------------------------------ Pin Safe Material size (inches) diameter working (inches) load------------------------------------------------------------------------\1/2\............................................... \5/8\ 1.4\5/8\............................................... \3/4\ 2.2\3/4\............................................... \7/8\ 3.2\7/8\............................................... 1 4.31................................................... 1\1/8\ 5.61\1/8\.............................................. 1\1/4\ 6.71\1/4\.............................................. 1\3/8\ 8.21\3/8\.............................................. 1\1/2\ 10.01\1/2\.............................................. 1\5/8\ 11.91\3/4\.............................................. 2 16.22................................................... 2\1/4\ 21.2------------------------------------------------------------------------
