Specifications include, but are not limited to: Bid Items #1 – Concrete Blocks – 2’x2’x4’ These items are used as needed at the City's Public Works Facility to create dividing walls at the facility. Blocks shall meet ASTM standards, they shall be interlocking with each other. Bid price shall be per each and shall include delivery to Davenport Public Works Facility at 1200 E 46th Street Davenport IA, 52807 on or by May 15, 2020. Bid Items #2 – Concrete Blocks – 2’x2’x2’ (Half Block) These items are used as needed at the City's Public Works Facility to create dividing walls at the facility. Blocks shall meet ASTM standards, they shall be interlocking with each other. Bid price shall be per each and shall include delivery to Davenport Public Works Facility at 1200 E 46th Street Davenport IA, 52807 on or by May 15, 2020.