Specifications include, but are not limited to: Rock County Parks Division shall remove both sets of current porta potties and remove any existing structure from the area. The selected contractor shall then installation one, double vault toilet solely on the west side only. The proposed placement of the new double vault toilet shall be in the current location of the existing porta potties on the west side of the river. The new double vault model shall be a 10 foot by 14 foot, Huffcutt Woodduck style toilet or equivalent, preassembled with both men and women’s facilities in one building. It shall have a concrete vault with ABS black plastic liners, 4-inch reinforced concrete walls and a steel door. This model utilizes a dark vent tube heated by the sun creating an airflow pattern called “sweet smelling technology” that is the same as the vault toilets in many other Rock County Parks. It shall be the contractor’s responsibility to excavate and bed the new vault as well as placement of the new structure.