§ 32-a. Entry by town engineer on private lands. The town engineer and any deputy, assistant or employee of the town engineer's office designated by him may enter upon any lands, waters or waterways, public or private, within the town, without hindrance, for the purpose of making surveys, examinations or investigations, including the making of test pits and test borings, necessary or convenient in the exercise of performance of any of the other powers or duties conferred or imposed on the town engineer, provided that any test pits or borings made hereunder shall be refilled and the real property so disturbed shall be restored to its previous condition.