1. Regulations
  2. title 29
  3. chapter XVII-i2
  4. part 1915
  5. subpart G
  6. § 1915.118

View all text of Subpart G [§ 1915.111 - § 1915.120]

§ 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 × 43 × 4 or 2 × 64 × 43 × 44 × 44 × 6 Bearers (in inches)2 × 62 × 62 × 62 × 82 × 82 × 10 Ledgers (in inches)2 × 62 × 62 × 62 × 82 × 82 × 8 Stringers (not supporting bearers) (in inches)1 × 61 × 61 × 61 × 61 × 61 × 6 Braces (in inches)1 × 41 × 61 × 61 × 61 × 61 × 6 Pole spacing—longitudinally (in feet)7 1/27 1/27 1/2777 Pole spacing—transversely (in feet)6 1/2 min7 1/2 min8 1/2 min6 1/21010 Ledger spacing—vertically (in feet)7774 1/24 1/24 1/2

Table E-2—Specifications for Side Rails of Ladders

Length (in feet) Cross section (in inches) At ends At center 151 7/8 × 2 3/41 7/8 × 3 3/4161 7/8 × 2 3/41 7/8 × 3 3/4181 7/8 × 31 7/8 × 4 201 7/8 × 31 7/8 × 4 241 7/8 × 31 7/8 × 4 1/2

Table E-3—Specifications for the Construction of Horses

Structural members Height in feet ≤10 >10≤16 16≤20 inchesinchesinchesLegs2 × 43 × 44 × 6 Bearers or headers2 × 62 × 84 × 6 Crossbraces2 × 42 × 42 × 6 or 1 × 8 Longitudinal braces2 × 42 × 62 × 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 × 101 5/8 × 9 1/22 × 121 5/8 × 11 1/23 × 82 5/8 × 7 1/23 × 102 5/8 × 9 1/23 × 122 5/8 × 11 1/26256309526667807 8192232395500605 10153186316400484 12128155263333404 14110133225286346 16116197250303

(A)—Rough lumber.

(B)—Dressed lumber.

Table G-1—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)1/2343 5/8343 3/43/4454 1/27/8455 1/41466 1 1/8566 3/41 1/4577 1/21 3/8678 1/41 1/2689

1 Three clips shall be used on wire size less than 1/2-inch diameter.

Table G-2—Maximum Allowable Wear at Any Point of Link

Chain size in inches Maximum allowable wear in fraction of inches 1/4( 9/32)3/643/85/641/27/645/89/643/45/327/811/6413/161 1/87/321 1/41/41 3/89/321 1/25/161 3/411/32
[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]

AUTHORITY: 33 U.S.C. 941; 29 U.S.C. 653, 655, 657; Secretary of Labor's Order No. 12-71 (36 FR 8754); 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017), 5-2002 (67 FR 65008), 5-2007 (72 FR 31160), 4-2010 (75 FR 55355), 1-2012 (77 FR 3912), or 8-2020 (85 FR 58393); 29 CFR part 1911; and 5 U.S.C. 553, as applicable.

SOURCE: 47 FR 16986, Apr. 20, 1982, unless otherwise noted.

CITE AS: 29 CFR 1915.118