Laying of 6 / 2 inch dia m.s./ g.i. pipes, for making arrangements for fire fighting at the coal stock near the deep mine zone, in the mine, w.r.t. r.o.c.p., under rajmahal area.

Re arrangement cum laying of 8 inch dia m.s. pipes, required for changing the path of the delivery range of the fire fighting pump, in operation at the intermediate sump in r.o.c.p. mine, w.r.t. r.o.c.p., under rajmahal area.

Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.