The purpose of Amendment 0002 is to extend the closing date to 13 September 2021 at 4pm central. All other terms and conditions remain the same. The purpose of Amendment 0001 is to extend the closing date to 8 September 2021 and to change the Acquisition Set Aside from a 100% Small Business Set Aside to full and open competition. All other terms and conditions of this solicitation remain the same. This requirement is for the inspection/calibration/repairs of Granite Surface Plates at the Rock Island Arsenal. Contractor must be ISO 17025