bids are invited for custom bid for services - biennial round the clock maintenance contract of signaling and telecommunication/electrical of mgr & wayside stations ntpc farakka operation and maintenance power house / power plant round-the-clock maintenance of s&t system along the mgr track and in plant premises at fstps. boq items for bmc for round the clock maint. of s&t system: 40.10 s&t (commn sys) opn/mtc 40.20 ftsnt24gn556 s&t (locn box) lifting 40.30 ftsnt25gn400 s&t (tel poles) install/remove 40.40 cv0238003100 painting with synth. enamel paint (new) 40.50 cv1478003153 earthing & loop earthing gi earth pipe 40.60 ftsnt13oh001 s&t (dg set) oh 40.70 ftdrn11gn120 drain (trench linr) cutting 40.80 ftsnt01gn552 s&t (cables) laying total quantity :