Specifications include, but are not limited to: Pipe shall be driven in 5 foot lengths to refusal or to the depth ordered, and washed out every 5 feet below the water table. Wash samples shall be trapped, allowed to settle, collected, and stored. The Contractor shall provide a log of the subsurface conditions encountered. If suitable water bearing formations are encountered, the Contractor shall set 1 1/4 inch diameter stainless steel well screens as specified under Section 1.2 inside the 2 1/2 inch pipe and expose the screen to the aquifer by retracting the 2 1/2 inch pipe. One or more screen sections may be used. Screen slot size for the test wells shall be determined by examination of the wash samples. If no suitable water bearing formations are encountered, no screens shall be set and the Contractor shall attempt to remove the 2 1/2 inch diameter pipe from the ground, and fill in the resulting void with NSF approved gravel in screen area and 40 ft. of grout. After the screen has been developed, the Contractor shall conduct a short duration pump test with a power pump. Wells left in place shall be capped. It is to be extended above ground surface 2.5 ft. and have a threaded coupling with a threaded plug. The Owner's Representative shall obtain and secure any water samples desired during the pump testing. Bottles for collecting water samples shall be provided by the Owner's Representative.