bids are invited for in house fabrication of 01 watchtower mild steel square pipe 4 inch , mild steel square pipe 2 inch , mild steel rectangular pipe , mild steel square pipe , mild steel square pipe 1 inch , mild steel l shaped angle 40 x 5 , mild steel l shaped angle 35 x 4 , iron base plate 8 inch , iron base plate 4 inch , welding rod , cutting wheel , grinder blade , red oxide , white paint metal surface , thinner , paint brush , paint roller mild steel square pipe 4 inch, mild steel square pipe 2 inch, mild steel rectangular pipe, mild steel square pipe 1.5 inch, mild steel square pipe 1 inch, mild steel l shaped angle 35 total quantity : 2004