supply and installation of low voltage switchboard at hurl sindri project supply and installation of low voltage switchboard at hurl sindri project , supply, loading, handling, storage, transportation within site, erection, installation, testing and commissioning etc. of following lt panel , 415 v, 3 ph. & n, ip54, floor mounted sheet steel enclosed main power board with al bus bar of 250a which consists of 2 nos. incoming 4p, 250 a, 50ka mccb incomer with earthfault, overcurrent protection and mechanical interlock with 250 / 1 ct, mfm, voltmeter, vss & ryb indications & 8nos. 63 a tpn rccb outgoing feeders indications & 7 nos. 63 a tpn sfu outgoing feeders on indoor bus & 2 nos. 4p, 100a, 30ka mccb outgoing feeders on outdoor bus with timer controlled feeders with suitable power contactor to operate outdoor bus. , 415 v, 3 ph. & n, ip55, outdoor type, structural mounted, weatherproof ( ip 55 ) lighting distribution board type db with bus bar - 200 a, 415v having 2 nos. tpn, incomer - 3p, 100a, 30kamccb withvoltmeter, vss & ryb indications and6 nos. 63 a tpn rccboutgoing feeder circuit and 16a, dp mcb, 6nos. , 415 v, 3 ph. & n, ip54, floor mounted sheet steel enclosed main power board with al bus bar of 400a which consists of 2 nos. incoming [ 4p, 400a, 50ka mccb incomer and 4p, 250a, 50ka mccb ] incomer with earthfault, overcurrent protection and mechanical interlock with 400 / 1 ct& 250 / 1 ct, mfm, voltmeter, vss & ryb indications &10 nos. 100 a mccb outgoing feeders & 4 nos. 63 a tpn rccb outgoing feeders& 2nos. 3p, 36a sfuoutgoing feeders and 16a, dp mcb, 6nos. , 415 v, 3 ph. & n, ip54, floor mounted sheet steel enclosed main power board with al bus bar of 100a which consists of 2 nos. incoming 4p, 100 a, 30ka mccb incomerwith earthfault, overcurrent protection and mechanical interlock with 100 / 1 ct, mfm, voltmeter, vss & ryb indications & 63 a tpn rccb outgoing feeders& 2 nos. 3p, 63a sfuoutgoing feeders and 32a, dp mcb, 6nos. , 415 v, 3 ph. & n, ip54, floor mounted sheet steel enclosed main power board with al bus bar of 630a which consists of 2 nos. incoming 4p, 630 a, 50ka mccb incomer with earthfault, overcurrent protection and mechanical interlock with 630 / 1 ct, mfm, voltmeter, vss & ryb indications & 10 nos. 63 a tpn rccb outgoing feeders indications & 6 nos. 250 a tpn sfu outgoing feeders & 2 nos. 3p, 63a sfuoutgoing feeders and 32a, dp mcb, 6nos.