Wooden shoring, with a cross-sectional dimension of 4" X 4" should not be longer than __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — 10 feet
Standard damage control doctrine dictates that wooden shores must obey length-to-thickness ratios to prevent premature buckling under load. For a 4-inch by 4-inch wooden shore, the maximum unsupported length must not exceed 10 feet to maintain structural integrity.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.