supply, installation, transportation, testing, execution & commissioning of bpac using ufsbi for single line, double line operations., supply, installation, transportation, testing, execution and commissioning of block proving by axle counter [ bpac ] using block panel and ufsbi for double line operation as per spec no. irs: s-105 / 2012 [ ver.0 ] with latest and 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 double 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 relays 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-2 nos. with all type lighting protection and inbuilt automatic media change over with voice, e1 and dark fibre port. ****** or ******** supply of microprocessor based station master block panel for double line block instrument 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%u2019s block panel for double line instrument 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 ) - qty-2 nos. ( 2 ) supply of microprocessor based ssbpac ( d ) block instrument for double 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 or power line 24 v dc, class-c ( inspection by , 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: s105 / 2012 [ ver.0 ] with latest version and 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 accessories as per rdso drg. no. rdso / s / 32019 for single line ( latest amdt. ) -qty-02 nos. ( iii ) relay rack with due locking and sealing arrangement as per rdso drg.no. rdso / s / 32020 including relays for each relay rack ( qn1-22 nos, qna1-06 nos. ql1-02 nos. & timer-1 no. ) qty- 2 nos. and wiring as wiring diagram as per rdso drg no. rdso / s / 32020 with latest amdt. ( iv ) block telephone with accessories as per rdso spec.no. rdso / spn / 191 / 2006, qty-2 nos. with all type lighting protection and inbuilt automatic media change over with voice, e1 and dark fibre port. or supply of microprocessor based station master block panel for single line block instrument with block telephone as per rdso / spn / 175 / 2005 with automatic media change over material and description: 1. supply of ( a ) microprocessor based station master%u2019s block panel for single line instrument 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 ( insp. by rdso ) -qty-2 nos. ( 2 ) supply of microprocessor based ssbpac ( d ) block instrument for single lines per rdso / spn / 175 / 2005 version 1 or latest ( insp. by rdso ) qty-2 nos ( 3 ) supply of lighting and surge protection devices or power line 24 v dc, class-c ( insp. by