supply, testing, installation and commissioning of equipment- lab testing- field testing etc for rrnmu.-2 distance measuring device:-vehicle mounted distance meters 3 surface irregularity:-merlin surface irregularity, merlin the principle is based on travelling straight edge and is for measuring , marking and recording irregularities of roads and runways pavement of both concrete and bituminous material modified roughness indicating machine which is simple to measure roughness also called merlin- machine for evaluating roughness using low-cost instrumentation. ( detailed specification as per trl, rr 301. ) 4 measuring the temperature:- digital thermometer digital thermometer – range: 50degree c-280 degree c 5 undulation recording device:-straight edge and metric wedge straight edge and metric wedge 3 meter staight edge and metric wedge 6 distance measuring device:-walking measuring wheel – manual walking measuring wheel – manual small wheel of known circumference to indicate distance travelled i ) through mechanical meter 7 distance measuring device:-walking measuring wheel –digital walking measuring wheel – digital small wheel of known circumference to indicate distance travelled ii ) through a digital meter 8 soil sampler:-auger sampling equipment auger sampling equipment handle, extension rod, jarring link, stainless steel tube 38x230 mm length 9 axle weighing device:-portable axle weigh pad portable axle load pad capacity for single wheel – 20 tons. designed for heavy duty trucks. maximum overload: 25 tons approx. ultimate overload: 28 tons approx. platform size – 670x560x28mm approx. ( body weight 30kgs approx ) low profile: 28mm height approx. battery backup in working upto 72hrs. ( max ) temperature tolerance: 1⁰c to 50⁰c ( working temperature ) power requirement: 220v ac / 12v dc high accuracy: 2% shielded wire connectors ( operational in harsh condition ) . calibration certificate. operating manual. digital load indicator with led display rubberised ramps with wire shielding inside for heavy duty trucks.