Section 12-25-54 - Occupations involved in excavation operations(a) Except as otherwise provided in this section, the following occupations in excavation operations are declared hazardous for minors under eighteen years of age: (1) Excavating, working in, or backfilling (refilling) trenches, except: (A) Manually excavating or manually backfilling trenches that do not exceed four feet in depth at any point; or(B) Working in trenches that do not exceed four feet in depth at any point;(2) Excavating for buildings or other structures or working in such excavations, except: (A) Manually excavating to a depth not to exceed four feet below any ground surface adjoining the excavation; or(B) Working in an excavation not exceeding such depth; or(C) Working in an excavation where the side walls are shored or sloped to the angle of repose as required by the occupational safety and health standards of the department;(3) Working within tunnels prior to the completion of all driving and shoring operations; and(4) Working within shafts prior to the completion of all sinking and shoring operations.(b) This section shall not apply to the employment of any apprentice, trainee, student-learner, or enrollee under conditions prescribed in section 12-25-43.[Eff. OCT. 5, 1981] (Auth: HRS §§ 390-2, 390-6) (Imp: HRS § 390-2)