In this Chapter, unless the context otherwise requires,

(97a). "site formation and clearance, excavation and earthmoving and demolition" includes,-

(i) drilling, boring and core extraction services for construction, geophysical, geological or similar purposes; or

(ii) soil stabilization; or

(iii) horizontal drilling for the passage of cables or drain pipes; or

(iv) land reclamation work; or

(v) contaminated top soil stripping work; or

(vi) demolition and wrecking of building, structure or road, but does not include such services provided in relation to agriculture, irrigation, watershed development and drilling, digging, repairing, renovating or restoring of water sources or water bodies;