Public Works Department

Public Works Department has published Calibration Of Various Types Of Laboratory Instruments, Equipment, Apparatus Installed At The Laboratories Of Road And Building Research Institute, P. W. Roads Directorate-2 Water Bath (DTC) Range 0-100°C 3 Aggregate Impact Value Apparatus 4 Digital Balance 600 gm 5 Theoretical maximum specific gravity apparatus 6 Electrically operated bitumen extractor (RPM) 7 Marshal stability and flow testing apparatus load cell and SVDT 8 Constant Temperature apparatus (DTC) 9 Bitumen Mixture apparatus 10 Digital Balance 30 kg 11 Flakiness Index and Elongation Gauge Apparatus 12 Vicat apparatus 13 Universal Testing Machine Laboratory 14 Universal testing machine,0-2000 KN 15 Bitumen Laboratory 16 Saybolt viscometer with four saybolt tube 17 Loss of Heating App (DTC) range 0-400°C 18 Soil Laboratory 19 Electric Oven (DTC) Range 0-400°C 20 Dial gauge 21 Digital Tachometer (60-50000 RPM) 22 Soil Hydrometer (0.995- 1.030 sp) 23 Digital Triaxial testing Machine 24 2 KN capacity digital direct shear testing apparatus with different stain control silent feature. (Weight) 25 Consolidation apparatus gauge 0.002 X 5 mm, Three-gang digital summary 26 Electrically operated unconfined compression testing machine apparatus. 27 Measuring cylinder (1000 ml) 28 Measuring cylinder (100 ml) 29 Electric Oven (DTC) Range 0-400°C 30 CBR Mould 31 IS Sieve of the following sizes: 32 i) 75 mm 33 ii) 63 mm 34 iii) 53 mm 35 iv) 50 mm 36 v) 45 mm 37 vi) 40 mm 38 vii) 37.5 mm 39 viii) 31.5 mm 40 ix) 26.5 mm 41 x) 25 mm 42 xi) 22.4 mm 43 xii) 20 mm 44 xiii) 19 mm 45 xiv) 16 mm 46 xv) 13.2 mm 47 xvi) 12.5 mm 48 xvii) 11.2 mm 49 xviii) 10 mm 50 xix) 9.5 mm 51 xx) 8 mm 52 xxi) 6.3 mm 53 xxii) 4.75 mm 54 xxiii) 4 mm 55 xxiv) 2.36 mm 56 xxv) 1.7 mm 57 xxvi) 1.18 mm 58 xxvii) 850 micron 59 xxviii) 600 micron 60 xxix) 425 micron 61 xxx) 300 micron 62 xxxi) 150 micron 63 xxxii) 75 micron . Last date of submission for this tender is 2025-08-08. This is a Laboratory Equipment tender in 24 Paraganas South, West Bengal