supply of ssdac etc., supply, installation testing & commissioning of high availability single section digital axle counter system ( hassdac ) complete as per rdso specification no rdso / spn / 177 / 2012 with version 3.0 or latest. [ warranty period: 30 months after the date of delivery ] , supply of high availability single section digital axle counter system ( hassdac ) as per rdso specification no. rdso / spn / 177 / 2012 ver 3 or latest with dual track sensor device. [ warranty period: 30 months after the date of delivery ] , ( 1 ) supply of high availability single section digital axle counters ( hassdac ) with dual sensor system as per rdso / spn / 177 / 2012 ( ver.3 ) or latest. this includes the supply of high frequency web mounting type tx coil / rx coil, vr / pr box duly wired, vital relays, pr relays, clamp with deflector plates & hardware, dual display reset box with auto resetting facility, surge voltage protection devices and filter card to be mounted on din rail etc as per oem for complete installation & testing & commissioning of ( hassdac ) system. note: one set of hassdac system will include equipment required to monitor one up line or one dn line of a full block section between two stations. ( 2 ) installation, testing & commissioning of high availability single section digital axle counter ( hassdac ) , single section type system complete with track devices and other associated accessories. this include fixing of device, relays, wiring, lacing / dressing, cable termination with lug eyelet, drilling holes in rails, installation of track devices and make it functional along with existing ufsbi / block instrument. material required other than supply item of hassdac in item no. 1 above shall be arranged by firm to make it functional. [ warranty period: 30 months after the date of delivery ]