Purchase of Equipments for Materials Testing Lab for Civil Department

SPRING TESTING MACHINE Load & Displacement Sensing • Load Cell • Capacity: 0–10 kN • Accuracy: ±1% FS (better if ±0.5%FS) • Displacement Sensor • LVDT / Digital encoder • Accuracy: ±0.5 mm Machine Design • Frame: Rigid steel frame with crosshead • Movement Type: • Mechanical Screw with Hand Wheel (simple & robust) or • Electromechanical Actuator (for smoother, controlled motion) • Crosshead Travel: ~150–200 mm • Safety Guards: Transparent shields around moving parts Fixtures & Accessories Spring Testing • Compression Plates (ground & parallel) • Tension Hooks / Eyelets • For extension springs • Set of spacers / adapters for small springs Tensile Testing • Standard Tensile Grips • Wedge or screw type • Calibration certificate for load cell Standards Compliance Ensure compliance with basic material test standards such as: • ASTM E4 / ISO 7500-1 — Calibration of force measurement • ASTM E8 / ISO 6892 — Tensile Performance & Accuracy • Load accuracy: ±1% FS • Displacement accuracy: ±0.5% • Repeatability: ±0.5%

Rockwell cum Brinell hardness testing machine Min Initial test force :10kgf, Total test force Range : 60kgf,100kgf,150 kgf, Max. height of specimen :215 mm Min Distance from indenter center to machine wall :132 mm Accessories : Steel Ball Preferred Indentor Ø1/16" Preferred Steel Ball:Ø1/16" And with all standard Accessories to run the machine

DIRECT SHEAR MACHINE Standard Compliance: The equipment shall confirm to Bureau of Indian Standards IS 2720 (Part 13) and equivalent ASTM International ASTM D3080. Technical Specifications: Shear Box Size: 60 mm × 60 mm × 25 mm specimen size (complete with grid plates, porous stones, and specimen cutter). Normal Load Capacity: Minimum 5 kN with loading yoke and calibrated loading hanger set. Shear Load Capacity: Minimum 2.5 kN or 5 kN with calibrated proving ring (with calibration certificate). Rate of Strain (Shear Displacement): Variable speed drive with controlled displacement ranging from 0.01 mm/min to 1.25 mm/min (motorised model preferred for uniform rate control). Displacement Measurement: Horizontal displacement dial gauge: 0.01 mm least count Vertical displacement dial gauge: 0.002 mm or 0.01 mm least count Loading Frame: Rigid, heavy-duty loading frame with corrosion-resistant finish. Drive System: Motorised with single phase 220–230 V, 50 Hz power supply. Accessories (to be supplied complete): Shear box assembly, Proving ring with calibration chart, Two dial gauges Loading weights and hanger, Porous stones (2 Nos.), Specimen cutter, Tool kit

Flow Table Test Apparatus Dimensions and specifications as per IS 9103, • Table top made from flat metal plate, minimm thickness 1.5 mm. • Table top size: 700 mm × 700 mm, with flatness tolerance of ±1.5 mm. • Table top marked with: Scribed cross at centre, lines parallel to table edges and Central circle of 200 mm diameter • Underside of table top reinforced to prevent distortion. • Total mass of table top: 16 ± 1 kg. • Table top, Base frame front and Upper stops provided as per IS 9103. • Lower front edge fitted with two rigid stops to transfer load directly to base frame. • Base frame designed to transfer impact load directly to supporting surface, minimizing bounce. • Stop watch – digital - 2 Nos • Scale 1 mtr – 2 Nos • Mounting wooden platform 300 mm height • AMC for 3 years inclusive.