a.
Spoil Material
"Spoil-material" shall mean material excavated in accordance with these specifications from
any of the classes specified, and which, being obtained from the excavation of side drains,
cuttings or below the road, embankment is unsuitable for the requirements of the Works.
Spoil material shall be removed from the Site to a spoil tip which should be to a site
acceptable by respective local authorities and shall be approved by the Project Manager.
b. Expansive Material
When expansive material is encountered, it shall be removed to a depth 600 mm below the
formation or the existing ground level, whichever is greater. Material removed shall be
stockpiled for later use in slope protection or spoiled to a tip as instructed by the Project
Manager.
c. Surplus Material
"Surplus-material" shall mean material excavated in accordance with these specifications
from any of the classes specified and which is temporarily surplus to the fill requirements and
shall be carted to a designated stockpile for re-use later elsewhere in the Works, or to an
approved spoil tip.