Walking Profiler Specifications; World Bank Class 1 Profilometry Device; High-precision measurement instrument for collecting surface condition information as a reference device for inertial profiler certification meeting AASHTO R-56 standards. Must be capable of collecting data on a variety of surface types including dense mix asphalt, open graded asphalt, ground asphalt or concrete and grooved concrete. Must include MPD texture laser. Must have low operator susceptibility due to separate rolling platform. Must produce ERD and PPF data files for use in ProVAL software. It must be an Android tablet operated system. Data unloadable via Wi-Fi or downloadable via USP data port. Must comply with ASTM E1656 and ISO 13473-1