supply of supply, installation, transportation & commissioning of complete set of block proving by axle counter ( bpac ) using block panel and ufsbi for double line operation as per rdso specification no.irs:s- 105 / 2012, ( ver -0 ) or latest. each set consists of ( a ) universal fail safe block interface complete with all accessories as per rdso spec. no.irs-s-104 / 2012 ( ver.0 ) =2nos. ( b ) block panel complete with all accessories as per rdso drawing no. rdso / s / 32017= 2 nos. ( c ) wired relay rack with due locking and sealing arrangements consisting of rdso approved & pre- inspected ufsbi and rdso approved & pre- inspected relays with bases as per rdso drawing no.rdso / s / 32018 =2 nos. ( d ) block telephone with all accessories as per rdso specn. no.rdso / spn / 191 / 2006= 2 nos. ( e ) universal fail safe block interface = 2 nos. ( f ) modems and automatic media changeover. [ warranty period: 30 months after the date of delivery ] , supply of complete set of block proving axle counter using ufsbi for single line as per irs;s- 105 / 2012 ( ver-0 ) or latest consisting of ( a ) block panel as per rdso drg no. rdso / s / 32019=2no. ( b ) wired relay rack consisting of rdso approved &pre inspected ufsbi and rdso approved & pre inspected relays with bases as per rdso drg no. rdso / s / 32020=2no. ( c ) block telephone as per rdso drg no. rdso / spn / 191 / 2006=02no. ( d ) universal fail safe block interface=02 no. [ warranty period: 30 months after the date of delivery ] senior section delhi 4.00 set , ( a ) supply, installation, transportation, testing, execution and commissioning of block proving by axle counter [ bpac ] using block panel and ufsbi for single line operation as per spec no. irs.s-105 / 2012 [ ver.0 ] with latest amdt.each set consisting of following ( i ) universal fail safe block interface complete with all accessories as per spec no.irs:s-104 / 2012 [ ver.0 ] with latest version and amdt.qty-02 nos. ( ii ) block panel complete with all accessories as per rdso drg no. rdso / s / 32017 for single line ( latest amdt. ) -, qty-02 nos. ( iii ) relay rack with due locking and sealing arrangement as per rdso drg no.rdso / s / 32018 including all relay and wiring as wiring diagram as per rdso drg no. rdso / s / 32018 with latest amdt.and supply of all type of relays ( iv ) block telephone with accessories as per rdso spec no. rdso / spn / 191 / 2006, qty-2nos. with all type lighting protection and inbuilt automatic media change over with voice, e1 at dark fiber port. or ( b ) supply, installation, transportation, testing, execution and commissioning of microprocessor based station master block panel for single line block instruments with block telephones as per rdso / spn / 175 / 2005 with automatic media change over material and description: ( 1 ) supply of ( a ) microprocessor based station master block panel for single line instruments with block telephone as per rdso / spn / 175 / 2005-version 1 or latest ( b ) block telephone as per rdso spec no. rdso / spn / 191 / 2005 or latest inspection by rdso %u2013 qty 2 nos. ( 2 ) supply of microprocessor based ssbpac ( d ) block instruments for single line as per rdso / spn / 175 / 2005 version 1 or latest inspection by rdso qty- 2 nos ) ( 3 ) supply of lighting and surge protection devices of power line 24 v dc, class-c ( inspection by , supply of complete set of block proving axle counter using ufsbi for single line as per irs;s- 105 / 2012 ( ver-0 ) or latest consisting of ( a ) block panel as per rdso drg no. rdso / s / 32019=2no. ( b ) wired relay rack consisting of rdso approved & preinspected ufsbi and rdso approved & pre inspected relays with bases as per rdso drg no. rdso / s / 32020=2no. ( c ) block telephone as per rdso drg no. rdso / spn / 191 / 2006=02 no. ( d ) universal fail safe block interface=02 no. [ warranty period: 30 months after the date of delivery ] , supply of complete set of block proving axle counter using ufsbi for single line as per irs:s- 105 / 2012 ( ver-0 ) or latest consists of a ) block panel as per rdso drawing no.rdso / s / 32019 =2no.b ) wired relay rack consisting of rdso approved and pre-inspected ufsbi and rdso approved and preinspected relays with bases as per rdso drawing no.rdso / s / 32020=2no.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 delhi 2.00 set