Supply And Installation Of Apparatus / Test Machineries To Establish A Central Laboratory At Annex Building, Uttarkanya, Jalpaiguri For Quality Control Of Different Works Under Nbdd. -1 Field Density Test Apparatus By Sand Replacement Method N N ( Sand Pouring Cylinder 100Mm, Complete As Per Is : 2720 ( P–28 ) – 1974. Small 100 Mm. Dia. Cylinder With Calibrating Can And Metal Tray Having Central Hole. ) N 2 Weighing Machine – Up To 10 Kg Capacity ( Digital ) N Nelectronic Digital Weighing Balance 10 Kg. Capacity Digital Direct Reading Type Electronic Balance, Mains –Cum – Rechargeable Battery Operated, Having Tare Facility. Na. Balance : Led Display Nb. Capacity : 10 Kg. Nc. Resolution : 0.5 Gm With Certificate N 3 Weighing Machine – Up To 30 Kg Capacity ( Digital ) N Nelectronic Digital Weighing Balance 30 Kg. Capacity Digital Direct Reading Type Electronic Balance, Mains –Cum – Rechargeable Battery Operated, Having Tare Facility. Na. Balance : Led Display Nb. Capacity : 30 Kg. Nc. Resolution : 1 Gm With Certificate 4 Aggregate Impact Value Testing Machine N Naggregate Impact Value Testing Machine ( A.I.V. ) With Automatic Blow Counter As Per Is 2386 ( Part-Iv ) Ndetermining The Aggregate Impact Value Of Coarse Aggregate. Consists Of A Base Weighing Between 22-30Kg With A Lower Surface Of Not Less Than 30Cms And Support Columns To From A Rigid Frame Work Around The Quick Release Trigger Mechanism To Ensure An Effective Free Fall Of The Hammer During Test. The Free Fall Can Be Adjusted Through 380 + 5.0Mm. The Hammer Is Provided With A Locking Arrangement. A Metal Top ( Hammer ) Weighing13.5 To 14.0 Kg. The Lower End In Cylindrical Shape, 100Mm In Diameter And 5Cm Long With A 2Mm Chamber At The Lower Edge And Case Hardened. Ncomplete With A Cylindrical Cup, 102Mm Dia X 50Mm Depth, One Measure 75Mm Dia X 50Mm Deep And Tamping Rod Of Circular Cross Section 10Mm In Diameter And 230Mm Long Rounded At One End. 5 Sieve:- Test Sieves – N450 Mm Internal Dia Of G.I. Frame, As Per Iss. Sizes: 75 Mm, 63Mm, , 53 Mm, 45 Mm, 26.5Mm, 22.4 Mm, 13.20 Mm. Nlid & Pan For Above 6 Sieve:- Test Sieves – N N200 Mm Internal Dia Of Brass Frame, As Per Iss. Sizes: 11.20 Mm, 10 Mm, 4.75 Mm, 2.36 Mm, 600 Micron, 300 Micron, 150 Micron, 75 Micron. Nlid & Pan For Above 7 Flakiness Index Test Apparatus- Nflakiness Gauge ( Thickness Gauge ) : As Per Is 2386 ( P-I ) N 8 Elongation Index Test Apparatus— Nelongation Gauze ( Length Gauge ) As Per Is 2386 ( P-I ) N 9 Bitumen Penetration Test Apparatus— N Nbitumen Penetrometer As Per Is : 1203, With Digital Automatic Timer To Accurately Control Penetration Time To Exact Five Seconds, Electrically Operated: Used To Determine Grade Of Bitumen. The Penetration Tests Determine Consistency Of Bitumen For The Purpose Of Grading Depth In Units 1 / 10 Of Millimeter To Which A Standard Needle Having A Standard Weight Will Penetrate Vertically In A Duration Of Five Seconds At A Temperature Of 25 ºc Determines Penetration For Gradation. Nconsists Of A Vertical Pillar Mounted On A Base Provided With Leveling Screw The Head Together With Dial Gauge Rod And Needle Slides On A Pillar And Can Be Clamped At Required Height. A Rack And Pinion And Pointer Assembly Provides Adjustment Of Needle Tip To Sample. It Incorporates A Slipping Clutch Mechanism Which Make Reading Of Penetration And Subsequent Resetting A Simple And Accurate Operation The Dial Is Graduated In 400 1 / 10Th Mm Sub-Divisions, And The Needle Pointer Against Black Figures Makes For Easy Reading. Nsupplied Complete With One 50 Gram Weight, And One 100 Gram Weight And One Needle And One Bitumen Container 55Mm X 35Mm For Above. N N 10 Electric Operated And Digital Concrete Compressive Strength Test Apparatus Digital Compression Testing Machine: Ncompression Testing Machine, Digital Capacity 2000Kn ( 200Tonn ) ( With Peak Hold Facility ) Electrically Operated . Heavy Type, Ncompression Testing Machine Electrically-Cum-Hand Operated. The Machine Embodies An Hydraulic System Designed To Meet The Requirement Of Indian Standards Specification 516-1959 For Compression Tests On Concrete Cubes Upto 5Cm X 5Cm X 5Cm , 7.06Cm X 7.06Cm X 7.06Cm, 10Cm X 10Cm X 10Cm And 15Cm X 15Cm X15cm And Also Concrete Cylinders Upto 10 X 20Cm, 15 X 30 Cm Height. N Nloading Unit : The Hydraulic Jack Is Fixed To The Base. The Upper Platen Has Got A Self-Aligning Action And Is Attached To A Screw Which Passes Thru The Cross-Head Plate, And Can Be Raised Or Lowered For Initial Clearance Adjustment. The Lower Platen Rests On The Jack Ram And Is Positioned With The Help Of A Centering Pin. Loading Is Accomplished By The Upward Movement Of The Lower Platen. A Dust Cover Is Provided On The Jack To Prevent Any Dust From Going Into The Cylinder. A Spacer With A Centering Locating Pin Is Provided To Test Small Specimens. The Lower And Upper Platens Of The Machine Are Hardened, Ground And Polished. Guidelines Are Marked On To Test Small Specimens. The Lower And Upper Platens Of The Machine Are Hardened, Ground And Polished. Guidelines Are Marked On The Lower Platen To Keep The Specimen Coaxial With The Hydraulic Jack N Npumping Unit : Motorized Pumping Unit, Which Is Housed In An Elegant Console, Is Of Double Plunger Type And Is Driven By A 3 Phase 440 Volts 50 Cycles Electric Motor. The Pumping Unit Is A Separate Unit Connected To The Loading Unit By Means Of A Steel Connecting Tube. A Junction Box Is Suitably Fixed To Connect The Motor To The Mains Thru A Push Button Starter. The Pumping Unit Is Fitted With A Digital Load Indicator To Indicate Load , Peak Load , Calibrated Against Tested Proving Ring. The Digital Load Indicator Is Fixed At An Angle For Easy Readability. The Machine Is Fitted With A Hand Wheel Control. Nthe Electric Pumping Unit Is Fixed With A Micro-Switch Off The Motor Automatically As The Load On The Machine Approaches The Rated Capacity. Relays Are Incorporated In The Pumping Unit So That In Case Of Break-Down Of Power Supply The Motor Will Stop And Would Not Restart Unless The Starting Switch Is Operated. As Fully Described Above Ni ) Calibration Certificate For Digital Indicator Of Above Machines Have To Be Supplied From Authorised Testing Lab. N 11 Reinforcement Bend-Re-Bend Test Machine – Nuniversal Testing Machine Digital 40 Tonne Capacity With Bend - Rebend Test Attachment As Per Bs 4449 – 1997 For Bar Upto 40 Mm Dia. With Bending Tools Of Dia. 8, 10, 12, 16, 20, 24, 32, 40 Mm N 12 Schmidt ( Re-Bound ) Hammer Test Apparatus- Nproceq Make Original Schmidt Concrete Test Hammer, Type N Part No: 31001001, Consisting Of: Test Hammer, Carrying Case, Grinding Stone, Operating Instructions And Certificate Of Conformity. ( Analog Model ) Hsn:9031 N Ntechnical Specification: Nmeasuring Range : 10 – 60 Mpa Nimpact Energy : 2.207 +-0.1 J ( 0.225Kgf.M ) Nlength Of Spring Stretch ( Impact Stroke ) : 75+-0.3Mm Nspherical Radius Of Impact Pole : 25+- 1Mm Ncalibration Value On Test Anvil : 80 +- 2 N N 13 Dumpy Level-- Nauto Level Sokkia Make - B40a With Tripod Stand N 14 Steel Staff-- Nlevelling Staff 6 Meter N 15 Electric Oven Nhot Air Oven : Electric, Ngravity Convention Type, Thermostatically Controlled Double Walled, Inner Made Of Aluminum, Outer Of M. S. Nicely Hammerton Spray Painted In Between Wall Heavily Insulated With Thick Layer Of Glass Wool, With Double Walled Insulated Door, Temperature Controlled By Capillary Type Thermostatic, Temp. Range 50ºc To 250ºc. ( Can Be Set At 100 To 110*C Or As Per Your Desire Within Range ) Also Fitted With 3 Heat Control Switch For Low, Medium And High, Neon Indication Lamp For Main & Load. Air Ventilator & Other Meter Hole Provided On Top. Complete With Plug & Cord & Trays, Operated On 230 V A. C. Whole Oven Mounted On 4 Nos. Heavy Type Rubber Buffer. Ninner Chamber Size : N ( A ) 15 X 15 X 18 N N N 16 Bitumen Extractor Apparatus-- N Ncentrifuge Extractor, Capacity 1500 G Electrically Operated Bitumen Extractor ( Centrifuge Extractor ) Electrically Operated ( Motorised ) As Per Astm D 2172, Aasho T 58, 5 164 Nshaft Is Rotated By An Electric Motor And Gear. This Instrument Is Used For Determination And Checking Of Bitumen Percentage In Bituminous Mix, The Mix Is Added With A Solvent And Dissolved Bitumen Is Removed By Centrifugal Action. Consists Of A Removable Aluminiujm Rotor Bowl, Cap 1500Gm, With A Cap And Tightening Nut. The Bowl Assembly Is Mounted On A Vertical Shaft, Which Protrudes From A Cast Housing. Variable Speed From 2000 To 3500 Rpm. Care Is Taken To Prevent Solvent Entering Into The Rotor Of Electrical Motor. Operated On 220 / 230V Single Phase Ac Mains. Nfilter Paper For Above Having Central Hole Pkt. Of 100 N 17 Commercial Benzene---- 18 I ) Thermometer---Mercury In Glass Type Range 0-110*C / 250*C / 360*C N 19 Tray Of Size---- Nsampling Tray Enamel ( 300Mm * 250Mm ) N N 20 Tray Of Size---- N Nsampling Tray Enamel ( 300Mm * 450Mm ) N N 21 Tray Of Size---- N Nsampling Tray Enamel ( 600Mm * 450Mm ) N N 22 Hammer- ( 1 Kg Wt ) -
