Under 1915.1501, are shipyard employers covered by OSHA's COVID-19 workplace standard and where do the specific requirements come from?
Yes. Shipyard employers covered by 29 CFR part 1915 must follow the COVID–19 requirements that are identical to those set out at 29 CFR 1910.501. See 1915.1501 which states the requirements applicable to shipyard employment are identical to 29 CFR 1910.501.