supply of bpac using ufsbi for double line, supply, installation and commissioning of complete set of block proving axle counter using ufsbi for double line as per irs:s-105 / 2012, ( ver-0 ) or latest consists of ( a ) block panel as per rdso drawing no. rdso / s / 32017=2no.s ( b ) wired relay rack consisting of rdso approved & pre-inspected ufsbi and rdso approved & pre-inspected relays with bases as per rdso drawing no .rdso / s / 32018=2 no. ( c ) block telephone as per rdso drawing no. rdso / spn / 191 / 2006=2no. ( d ) universal fail safe block interface=2no. [ warranty period: 30 months after the date of delivery ] senior section engineer ( const. ) gujarat 3.00 set