This is a non-personal services contract to provide nondestructive testing (NDT) with all personnel, equipment, tools, materials, supervision and other items and services necessary to provide NDT testing of hydraulic steel structures as described in Part 5 of this document. The Government will not exercise any supervision or control over the contract service providers performing the services herein. Such contract service providers shall be accountable solely to the Contractor who, in turn is responsible to the Government.