This document appears to be a bid or request for proposal (RFP) for the purchase of concrete by the City of Hurst. The document includes information about the requirements for suppliers, references, specifications, bonds, insurance, and indemnity. It states that suppliers must comply with Chapter 176 of the Texas Local Government Code and provides a link to additional information and a form for filing a notice. The document also includes estimated annual quantities, minimum quality specifications, and delivery location requirements for the concrete. It specifies different classes of concrete and their composition. The document also includes a section for suppliers to provide their quotes for the different types of concrete and their contact information. It concludes with a section for suppliers to indicate if they are willing to serve as a secondary supplier if not selected as the primary supplier, and a section for providing references.