Specifications include, but are not limited to: The objective of the City is to convert various properties in the City to the Calsense Central Irrigation Control System to utilize water resources more efficiently. This project also incorporates the replacement of double check valve backflow prevention devices. The objective of this portion of the project is focused on replacing double check vale backflow prevention devices into compliance with current codes and regulations. The separate elements of this project have been combined into one bid because ten sites require both elements to be performed. On the sites that require the installation of both elements, it is the City’s desire to complete the projects simultaneously to capture cost savings on the project. The backflow replacement portion of this proposal is to be completed prior to the Calsense Central Irrigation Control System portion of the project.