The following occupations in excavation operations are dangerous and prohibited to minors:

1. (1) excavating, working in, or backfilling (refilling) trenches except

   1. (A) manually excavating or manually backfilling trenches that do not exceed four feet in depth at any point; or
   2. (B) working in trenches that do not exceed four feet in depth at any point;

2. (2) excavating for buildings or other structures or working in such excavations, except

   1. (A) manually excavating to a depth not exceeding four feet below any ground surface adjoining the excavation; or
   2. (B) working in an excavation not exceeding such depth; or
   3. (C) working in an excavation where the side walls are shored or sloped to the angle of repose;
3. (3) working within tunnels prior to the completion of all driving, and shoring operations;
4. (4) working within shafts prior to the completion of all sinking and shoring operations.

(Eff. 10/27/73, Register 48)

Authority: AS 23.10.350, AS 23.10.360