This procurement is for a firm fixed-price supply contract for the supply, replacement, and commissioning of the DC battery system, inverter, and chargers at the Cordell Hull Project. Equipment to be ... This procurement is for a firm fixed-price supply contract for the supply, replacement, and commissioning of the DC battery system, inverter, and chargers at the Cordell Hull Project. Equipment to be furnished and installed will be in accordance with the specifications. The contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items to perform the work herein.