tender for calibration of various types of laboratory equipment/ instruments/ apparatus installed in the civil engineering laboratories at rctrc, kalyani, nadia , ring & ball apparatus , pensky martens closed apparatus , los angeles abrasion testing machine , compression testing machine (2000 kn) , compression testing machine (500 kn) , digital compression testing machine (100kn) , aggregate impact value , california bearing ratio testing machine , flakiness index measuring device , elongation index measuring device , universal penetrometer , casagrande apparatus , penetrometer , indian standard sieve (250 mm) , indian standard sieve (106 mm) , indian standard sieve (100 mm) , indian standard sieve (90 mm) , indian standard sieve (80 mm) , indian standard sieve (75 mm) , indian standard sieve (63 mm) , indian standard sieve (53 mm) , indian standard sieve (50 mm) , indian standard sieve (45 mm) , indian standard sieve (40 mm) , indian standard sieve (37.5 mm) , indian standard sieve (31.5 mm) , indian standard sieve (26.5 mm) , indian standard sieve (25 mm) , indian standard sieve (22.4 mm) , indian standard sieve (20 mm) , indian standard sieve (19 mm) , indian standard sieve (16 mm) , indian standard sieve (14 mm) , indian standard sieve (13.2 mm) , indian standard sieve ( 12.5 mm) , indian standard sieve ( 11.2 mm) , indian standard sieve ( 10 mm) , indian standard sieve ( 9.5 mm) , indian standard sieve ( 8.6 mm) , indian standard sieve ( 8 mm) , indian standard sieve ( 6.7 mm) , indian standard sieve ( 6.3 mm) , indian standard sieve ( 6 mm) , indian standard sieve ( 5 mm) , indian standard sieve (4.75 mm) , indian standard sieve (4 mm) , indian standard sieve (3.35 mm) , indian standard sieve (2.8 mm) , indian standard sieve (2.36 mm) , indian standard sieve (2 mm) , indian standard sieve (1.7 mm) , indian standard sieve (1.6 mm) , indian standard sieve (1.4 mm) , indian standard sieve (1.18 mm) , indian standard sieve (850 microns) , indian standard sieve (710 microns) , indian standard sieve (600 microns) , indian standard sieve (500 microns) , indian standard sieve (425 microns) , indian standard sieve (355 microns) , indian standard sieve (300 microns) , indian standard sieve (250 microns) , indian standard sieve (212 microns) , indian standard sieve (180 microns) , indian standard sieve (160 microns) , indian standard sieve (150 microns) , indian standard sieve (125 microns) , indian standard sieve (106 microns) , indian standard sieve (90 microns) , indian standard sieve (80 microns) , indian standard sieve (75 microns) , indian standard sieve (63 microns) , indian standard sieve (53 microns) , indian standard sieve (45 microns) , indian standard sieve (38 microns) , weighing machine (0.1 gms to 220 gms) , weighing machine (0.02 grams - 620 grams) , weighing machine (0.2 grams - 300 grams) , weighing machine (5 grams - 3000 grams) , weighing machine (0.2 grams - 600 grams) , weighing machine (1 kg - 300 kg) , weighing machine (40 grams - 20 kg) , weighing machine (40 grams - 20 kg)