Civil Lab Machinery

Direct Shear Machine: Standard Compliance: The equipment shall conform 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

Auger Boring (Or) Any Boring -Soil Sampling Apparatus: • Engine Type: 4-stroke, air-cooled, single-cylinder petrol engine • Displacement: 196 cc • Power Output: minimum 6.5 – 7 HP (≈3.5 kW) • Maximum Engine Speed: ~3600 – 4000 RPM • Starting System: Recoil (manual) start • Fuel Type: Pure petrol • Fuel Tank Capacity: minimum 1.5 – 1.6 L • Supported Auger Bit Sizes: 4″, 6″, 8″, 10″, 12″, 14″ (100 – 350 mm) • Bit Material: Heavy-duty mild steel with powder coating • Typical Drilling Depth: minimum 3.5 – 4 ft per bit (800 mm – 1.2 m) • Bit Coupling: Quick-coupling system for easy bit replacements • Frame: Robust tubular steel frame with ergonomic handles and vibration absorbers • Weight: minimum 20 – 22 kg (without auger bit)

Flow Table Test Apparatus: Dimensions and Specifications as per IS 9103, • Table top made from flat metal plate ,minimum 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+_ 1kg •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.

Drying Oven: Temperature Range: Ambient (room) up to 250 ° Temperature Control: Digital PID controller / thermostat for accurate heating. prestogroup Accuracy: Typically ±1–2 °C. Chamber Material: Stainless steel inner chamber for durability and easy cleaning. Air Circulation: Forced convection fan for uniform temperature. Shelves: Usually 2–3 adjustable shelves. Power Supply: Single phase 220–230 V AC, 50 Hz.