supply of supply, installation, testing & commissioning of high availability single section digital axle counters (hassdac).supply, installation, testing & commissioning of high availability single section digital axle counters (hassdac).,supply, installation, testing & commissioning of high availability single section digital axle c ounters (hassdac) with dual sensor system as per spec.no. rdso/spn/177/2012 version 3 or latest. this i ncludes the supply of high frequency web mounting clamp 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 facilit y, surge voltage protection devices and filter card to be mounted on din rail etc. as specified in spec.no.rd so/spn/177/2012 version 3 or latest and as per oem. note: one set of hassdac system will include equip ment required to monitor one up line or one dn line of a full block section between two stations. length of cables supplied for track devices should be 15m. make/brand-g.g. tronics india pvt ltd. or similar. [ warra nty period: 30 months after the date of delivery ] ]