Well installation Contractors shall demonstrate their expertise and experience to provide all the services required to site, design, permit, drill, construct, develop, and leave the well structure and site ready for the installation of pumping equipment and connection to the existing site distribution system. Typical scope of services required for a domestic well include: • Preparation of well designs that consider the design of the well to be replaced, current water levels, and projected water levels as determined by well driller and accepted by landowner • Preparation of detailed work plans and cost estimates to install a new well per the requirements of this RFQ • Provide an itemized invoice clearly delineating costs eligible for mitigation under the Program and those to be paid by the landowner (if any) • Well siting consistent with all applicable state and local laws and ordinances • Obtaining well location clearance from USA North 811 • Obtaining all required permits to drill and install a new domestic well • Keeping a daily record of all project activities • Mobilization and demobilization of all required workers, equipment, and materials to and from the project site • Drilling a borehole using the direct rotary method of drilling • Collection of drill cuttings for inspection for every 10-feet of hole drilled and • Conducting downhole geophysical surveys (e-log). Surveys shall include Single Point, 16 and 64-inch Resistivity, Natural Gamma, and Spontaneous Potential. An e-log will be required for each well that is installed • Preparation of final well design with either 6-inch diameter PVC or steel blank casing and screen • Installation of well casing • Installation of a gravel envelope via tremie pipe • Installation of a sand/cement grout annular seal via tremie pipe. Seal depth must comply with all State and local requirements • Development of the well via airlifting and pumping until the water produced is clear (5 NTU or less) and sand free • Installing a concrete pad at the surface around the well casing • Site cleanup/restoration • Submission of Water Well Completion Report (WCR) to the California Department of Water Resources and appropriate County • Delivery of daily project records, WCR, as-built well diagram, and copies of project permits to the well owner within the required timeframe
