§ 1915.118. Tables.
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/us/cfr/t29/s§ 1915.118·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The provisions of this section apply to ship repairing, shipbuilding and shipbreaking. ::: {width="100%"} ::: {.table_head} Table E-1---Dimensions and Spacing of Wood Independent-Pole Scaffold Members ::: ::: {.gpotbl_div} 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 × 4 3 × 4 or 2 × 6 4 × 4 3 × 4 4 × 4 4 × 6 Bearers (in inches) 2 × 6 2 × 6 2 × 6 2 × 8 2 × 8 2 × 10 Ledgers (in inches) 2 × 6 2 × 6 2 × 6 2 × 8 2 × 8 2 × 8 Stringers (not supporting bearers) (in inches) 1 × 6 1 × 6 1 × 6 1 × 6 1 × 6 1 × 6 Braces (in inches) 1 × 4 1 × 6 1 × 6 1 × 6 1 × 6 1 × 6 Pole spacing---longitudinally (in feet) 7 1/2 7 1/2 7 1/2 7 7 7 Pole spacing---transversely (in feet) 6 1/2 min 7 1/2 min 8 1/2 min 6 1/2 10 10 Ledger spacing---vertically (in feet) 7 7 7 4 1/2 4 1/2 4 1/2 ::: ::: ::: {width="100%"} ::: {.table_head} Table E-2---Specifications for Side Rails of Ladders ::: ::: {.gpotbl_div} Length (in feet) Cross section (in inches) At ends At center 15 1 7/8 × 2 3/4 1 7/8 × 3 3/4 16 1 7/8 × 2 3/4 1 7/8 × 3 3/4 18 1 7/8 × 3 1 7/8 × 4 20 1 7/8 × 3 1 7/8 × 4 24 1 7/8 × 3 1 7/8 × 4 1/2 ::: ::: ::: {.table_head} Table E-3---Specifications for the Construction of Horses :::
Structural members Height in feet ≤10 \>10≤16 16≤20 inches inches inches Legs 2 × 4 3 × 4 4 × 6 Bearers or headers 2 × 6 2 × 8 4 × 6 Crossbraces 2 × 4 2 × 4 2 × 6 or 1 × 8 Longitudinal braces 2 × 4 2 × 6 2 × 6 ::: {.table_head} 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 × 10 1 5/8 × 9 1/2 2 × 12 1 5/8 × 11 1/2 3 × 8 2 5/8 × 7 1/2 3 × 10 2 5/8 × 9 1/2 3 × 12 2 5/8 × 11 1/2 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 ::: {.table_foot} (A)---Rough lumber.
(B)---Dressed lumber. ::: ::: {width="100%"} ::: {.table_head} Table G-1---Number and Spacing of U-Bolt Wire Rope Clips ::: ::: {.gpotbl_div} 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 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 ::: ::: {.table_foot} 1 Three clips shall be used on wire size less than 1/2-inch diameter. ::: ::: ::: {width="100%"} ::: {.table_head} Table G-2---Maximum Allowable Wear at Any Point of Link ::: ::: {.gpotbl_div} Chain size in inches Maximum allowable 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 ::: ::: \[47 FR 16986, Apr. 20, 1982, as amended at 61 FR 26351, May 24, 1996; 67 FR 44543, July 3, 2002; 76 FR 33610, June 8, 2011\]