bids are invited for curing tank heater , concrete grinder , concrete beaker , triaxial apparatus , marshall stability and compaction equipments with software and computer , concrete permeability appratus, 3-cell model for 150 mm cylinder , cylinder capping set, vertical, for capping 150mm cylinders and cores , concrete mixer, pan type, capacity 40l , laboratory ball mill, 10kg capacity , heat of hydration apparatus , jaw crusher , vibratory sieve shaker for 20cm & 30cm dia sieves , creep test rig, 1000 kn , is sieves of sizes 4.75 mm, 2.36 mm, 2mm, 1.18mm, 1mm, 600micorn, 425 micron, 300micron, 212 micron, 150micron, 90 micron, 75 micron, and pan , is sieves of sizes 8mm, 63mm50mm53mm, 40mm31.5mm, 25mm, 20mm, 16m m, 12.5mm, 10mm, 6.3mm, 4.75mm and pan , cube moulds