Geotechnical Drilling & Sampling Services

Purpose: To determine SPT value, collect soil samples (disturbed and undisturbed), and extract rock cores for comprehensive subsurface profiling.

Standards Followed: IS 1892, IS 4464

Capabilities:

• Borehole diameters: 100/150 mm

• Drilling up to 300 m depth using rotary, hydraulic, and mechanical rigs

• Rock coring with NX double/triple tube barrels

• Auto trip hammer & conventional SPT setups

Special Equipment:

• Hydraulic & rotary core rigs

• Diamond-tipped core bits

• Drilling rods & casing

In-Site Testing Services

1. Static Cone Penetration Test (SCPT)
   Application: Soil profiling, foundation recommendation, compaction studies

2. Vane Shear Test
   Application: In-site shear strength of saturated and soft clay soils
   Standard: IS 4434

3. Permeability Testing
   Standards: IS: 5529 (Part 1 & 2)
   Methods: Constant head, falling head, single/double packer methods

4. Plate Load Test
   Application: SBC estimation, settlement prediction, modulus evaluation
   Standard: IS 1888

5. California Bearing Ratio (CBR) Test
   Application: Pavement layer design for roads, highways

6. Proctor Density Test
   Purpose: Determine max dry density & optimum moisture content

Laboratory Soil & Rock Testing

• Gradation & Index Properties: Sieve analysis, hydrometer, Atterberg limits

• Strength Testing: Triaxial shear, direct shear tests for design input

• Consolidation Testing: Estimation of settlement and time factor

• Swelling & Collapse Potential: Behaviour under wet conditions

• UCS & PLI (Crushing Strength): Deformability and compressive strength

• Elastic Modulus & Poisson Ratio: For design of foundations and retaining systems

• Brazilian Tensile Strength Test: Indirect tensile strength of rocks

• Cerchar Abrasively Index: Tool wear prediction for tunnelling and rock cutting

Industries Served:

• Metro & Railways

• Highway & Bridge Infrastructure

• Industrial Plants & Refineries

• Power Projects (Thermal, Solar, Wind)

• Mining & Water Resources

Why Choose CMPL?

• Accredited Testing Facility

• Skilled and Certified Engineering Team

• Advanced Equipment and In-House Lab Setup

• Pan-India Presence with Onsite Sample Collection

• Transparent Reporting & Digital Record Keeping