procurement of equipment, instrument, machineries, tools etc. related to laboratories and workshop related to civil engineering department of the calcutta technical school , vicat apparatus , 70.6 mm. cube mould , 150 mm. cube mould , 150x300 cylindrical mould , pan mixer ( 40 ltr ) , le-chatelier mould , graduated ( glass ) measuring cylinder-1000 cc , graduated ( glass ) measuring cylinder-500 cc , graduated ( glass ) measuring cylinder-100 cc , porcelain mixing bowl -2000 cc , sieve shaker ( motorised ) , porcelain tray ( 150 dia., 25 mm depth ) , digital weighing machine of accuracy 1 mg. , 100x200x300 slump cone , ring-ball apparatus with heater and thermometer , rebound hammer ( schmidt hammer ) , digital weighing machine of max. wt. 100 kg. , levelling staff ( aluminium ) for survey work , cross-staff , telescopic alidade , prismatic compass , dumpy level , auto level , vernier transit theodolite , spectrophotometer , flocculator ( jar test apparatus ) , arsenic test kit , cod digestor , ductility testing machine of bitumen , tile abrasion testing machine , concrete needle vibrator electric operated , equipment for sp gravity and water absoption of aggregates , equipment for aggregate impact value test mannual , electronic distance measurer , ultrasonic pulse velocity test equipment for concrete