Del. Code tit. 9, § 2401

The County Council may acquire land or any interest therein at any place within the County that it deems advisable and may construct and operate upon the land so acquired an incineration or garbage disposal plant or plants. The County Council may enter into contracts and agreements with persons, firms or corporations relative to the purchase of the land and to the building, constructing and equipping of an incineration or garbage disposal plant or plants and may require from such persons, firms or corporations proper security for the faithful performance of the work to be done. The County Council may engage the services of competent architects and engineers in connection with the construction of the plant or plants and shall award any contract to the lowest responsible bidder with the right to reject any and all bids.