Specifications include, but are not limited to: Work on which proposals are invited consists of the repair and/or replacement of sidewalks and concrete for the City of Biloxi. Due to the nature of this contract, the exact scope of work is unknown at the time of bidding and may include, but is not limited to new construction, sidewalks, driveways, low traffic concrete streets, curbs and gutters for the City of Biloxi. Work may also include removal and replacement work. No minimum or maximum amount of work is guaranteed. Concrete tasks will be ordered by individual purchase orders which will include drawings, specifications, and administrative details such as period of performance and start date unique to each task.