The Federal Highway Administration (FHWA) intends to negotiate a sole source purchase order with Malvern Instruments for the Dynamic Shear Rheometer (DSR).  The DSR will have a broad range of test modes, oscillatory flows, frequencies from 0.001 to 100 Hz is required.  Additionally, the DSR shall perform testing of asphalt binders, advanced materials research, and forensic analyses.  This method will improve asphalt binder characterization methods and insure long-life of pavement performance.  The DSR will work in conjunction with the Kinexus Pro MRK 1089 that has the capability to work with the currently installed Peltier system for temperature control and intelligent heat exchanger.  Because Malvern is the manufacturer they are considered the only source that can provide the DSR.  This is Simplified Acquisition and the anticipated award date is September 10, 2010.