Specifications include, but are not limited to: The City of Grand Island Utilities Department (City) owns and operates electrical substations around the perimeter of the city. Voltages are 115,000 and 13,800 at each substation. This project is for a contractor to replace existing 8 foot, barb wire topped, chain link fence and gates with a new 9 foot tall precast concrete wall designed for such areas, and new gates, at two substations. The two substations are designated A and B. The project is expected to be turnkey and includes removing and disposing of the old fence and gates, supplying all materials for the new walls and gates, and installing the new walls and gates. The wall does not have to have any particular sound or ballistic rating. Physical security of the substation will have to be maintained throughout the project.
