29 CFR § 1918.91 - Housekeeping.

(a) General. Active work areas shall be kept free of equipment, such as lashing gear, and materials not in use, and clear of debris, projecting nails, strapping and other objects not necessary to the work in progress.

(b) Slippery surfaces. The employer shall eliminate conditions causing slippery walking and working surfaces in immediate areas used by employees.

(c) Free movement of drafts. Dunnage shall not be placed at any location where it interferes with the free movement of drafts.

(d) Dunnage height. Dunnage racked against sweat battens or bulkheads shall not be used when the levels of such racks are above the safe reach of employees.

(e) Coaming clearance. Dunnage, hatch beams, tarpaulins or gear not in use shall be stowed no closer than three feet (.91 m) to the port and starboard sides of the weather deck hatch coaming.

(f) Nails.

(1) Nails that are protruding from shoring or fencing in the work area shall be rendered harmless.

(2) Dunnage, lumber, or shoring material in which there are visibly protruding nails shall be removed from the work area, or, if left in the area, the nails shall be rendered harmless.

(g) Ice aloft. Employees shall be protected from ice that may fall from aloft.