bids are invited for steel roofing trough , ismb 200mm x 100mm x 5 point 7mm of length 5 m , ismb 200mm x 100mm x 5 point 7mm of length 3 point 40 m , hdpe sand bag , hdpe sheet 400 micron 11 point 50 x 4 point 30 black oblique og , steel ventilators , ms door , pvc door , pre fabricated lintel , pbs roll , smoke alarm , solar lantern , fire extinguisher 1 kg ball type , fire extinguisher 2 kg dry powder type , mini lightening conductor , non skid tiles first grade of 10mm thick for toilet floor , septic tank soakage pit cover , sanitary fittings as per ts para 27 and para 26 , puf tank 200 ltr with frame as per ts , pcc blocks 400 x 300 x 200mm as per ts , quick setting compound , white cement , bitumen , erection tools as per ts total quantity : 21693