PART XVIII EXCAVATION, UNDERGROUND WORK AND ROCK CRUSHING — Pre-excavation requirements
406(c)
hazards are created by vibration from nearby equipment or passing vehicular traffic.
406
(1) Before beginning excavation work with power tools or equipment in an area likely to have underground conduits, cables or pipelines, the location of the service facilities shall be accurately determined by the employer, marked by suitable means and communicated to the employee.
406(2)
Powered equipment shall not be used in a manner that exposes workers to harmful effects resulting from the damage to service facilities.
406(3)
Trees, boulders or other unsecured material located within 1.83 metres of the area to be excavated shall be secured or removed before excavation begins.
406(4)
A worker shall not enter an excavation over 1.22 metres deep unless
406(a)
the sides of the excavation are sloped to a safe angle and have been secured by the use of sheet piling, shoring and bracing or a trench box; or equipment or other heavy objects are located or operated close to the edge of excavations;
406(b)
the worker is protected by other effective means. excavations are adjacent to or abutting buildings or other structures; or
406(5)
Added loads shall be considered in the design of the support system where
406(6)
Where there is a danger of undermining adjacent foundations, excavation work shall be done in short sections and the building walls shall be effectively shored or braced.
Not legal advice. Verify the cited article against the signed agreement.