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Tender For provision of auto signaling in visakhapatnam (vskp) complex area of waltair division. i. construction of auto signaling goomtis(8 no.s) at 1) km.872/dl/2-3(between scmn-block hut cabin), 2) km.871/19a-20a(between scmn-concor cabin, 3) km.tp/2/6-7(near ntpc lc.no.1 between vdpd cabin-dvd), 4) km.en/192-193(near lc sp-6(between vdpd cabin- gate jn.), 5) km.gpl/2/1-2(near en/90 near br.no.4), 6) auto signaling goomty between km.en/89 to en/90 near br.no.752 on a&s line, 7) auto signaling goomty between km.gr/29 to gr/30 near hwh flyover between ryd to scmn, 8) concor north goomty between km.en/71 engine line under aden/myd/wat. ii.construction of 7 no.s extension of relay room goomties i.e 1) rri@ a cabin, 2) concor north goomty(between scmn cabin-concor cabin), 3) relay room goomty(jaggayyapalem-concor end), 4) relay room goomty(jaggayyapalem -vpd end), 5) extension rri (between km.4/4to km4/6 vdpd cabin-dvd east on ntpc line), 6) wagon works shop(between gate junction-vdpd cabin), 7) rri cabin(gate junction) under aden/myd/wat.
Tender For supply of the integrated microprocessor based numerical feeder protection module suitable with existi ng m/s. alind make 25kv traction substation control and relay panel as per rdsos spec. no. - ti/spc/psi/p rotct/6072 or latest comprising of two zone polygonal characteristic distance protection, wrong phase co upling (wpc), regenerative current relay (rcr), 2 stage (stage 1 instantaneous & stage 2 definite time) o ver current relay (ocr), potential transformer fuse failure (ptff) alarm and trip, auto reclosure relay, c b trip circuit supervision relay, breaker backup (lbb) and contact multiplication function for annunciation and tele-signaling of ap/gp low alarm and ap/gp low trip & lock out of feeder cb shall be incorporated in th e same module. [ warranty period: 30 months after the date of delivery ]