Capability statements

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Geotechnical laboratory testing

Based at the head office in Coventry, the Company's in-house UKAS accredited laboratory provides geotechnical and geoenvironmental testing in conjunction with or independently of the investigation and consultancy services.

Strength and compressibility data together with soil classification and grading are required for foundation design whilst potential aggression to concrete can be determined from chemical analysis.

Investigation of sites which slope, or where slopes are to be formed, requires the measurement of long term soil behaviour. For roads and earthworks the suitability of soils for use in embankments needs to be assessed together with subgrade characteristics for road pavement design.

Accredited to ISO/IEC 17025:2005

Materials / Properties tested - Aggregates
Type of Test / Properties Measured / Range of Measurement	Standard Specifications / Equipment / Techniques Used
Particle Size Distribution - washing and sieving	BS 812:Part 103 Section 103.1:1:1985
Particle Size Distribution - dry sieving	BS 812:Part 103 Section 103.1:1:1985
Moisture Content - oven drying method	BS 812:Part 109:1990

Materials / Properties tested - Rock
Type of Test / Properties Measured / Range of Measurement	Standard Specifications / Equipment / Techniques Used
Point load strength and anisotrophy indices (loads from 0 to 50 kN)	ISRM Commission on Testing Methods. Suggested Method for Determining Point Load Strength 1985.
Water content - method 1	International Society for Rock Mechanics - suggested methods 1, 2 and 3, p83, 1981

Materials / Properties tested - Soils for civil engineering purposes
Type of Test / Properties Measured / Range of Measurement	Standard Specifications / Equipment / Techniques Used
Organic matter content	BS 1377:Part 3:1990
Mass loss on ignition	BS 1377:Part 3:1990
Sulphate content of soil and ground water gravimetric method	BS 1377:Part 3:1990
Water soluble chloride content	BS 1377:Part 3:1990
Acid soluble chloride content	BS 1377:Part 3:1990
pH Value	BS 1377:Part 3:1990
California Bearing Ratio (CBR) (loads from 0 to 50kN)	BS 1377:Part 4:1990
Unconfined compressive strength - load frame method (loads from 0 to 50kN)	BS 1377:Part 7:1990
Undrained shear strength - triaxial compression without measurement of pore pressure (loads from 0 to 50kN)	BS 1377:Part 7:1990
Undrained shear strength - triaxlial compression with multistage loading and without measurement of pore pressure	BS 1377:Part 7:1990
Moisture content - oven drying method	BS 1377:Part 2:1990
Saturation moisture content of chalk	BS 1377:Part 2:1990
Liquid limit - cone penetrometer	BS 1377:Part 2:1990
Liquid limit - cone penetrometer - one point	BS 1377:Part 2:1990
Plastic limit	BS 1377:Part 2:1990
Plasticity index and liquidity index	BS 1377:Part 2:1990
Linear shrinkage	BS 1377:Part 2:1990
Density - linear measurement	BS 1377:Part 2:1990
Particle density - gas jar	BS 1377:Part 2:1990
Particle density - small pyknometer	BS 1377:Part 2:1990
Particle density - large pyknometer	BS 1377:Part 2:1990
Particle size distribution - wet sieving	BS 1377:Part 2:1990
Particle size distribution - dry sieving	BS 1377:Part 2:1990
Particle size distribution - sedimentation - pipette method	BS 1377:Part 2:1990
Dry density/moisture content relationship (2.5 kg rammer)	BS 1377:Part 4:1990
Dry density/moisture content relationship (4.5 kg rammer)	BS 1377:Part 4:1990
Dry density/moisture content relationship (vibrating rammer)	BS 1377:Part 4:1990
Maximum and minimum dry densities for granular soils	BS 1377:Part 4:1990
Moisture content value (MCV)	BS 1377:Part 4:1990
MCV/moisture content relation	BS 1377:Part 4:1990
MCV - rapid assessment	BS 1377:Part 4:1990
Chalk crushing value	BS 1377:Part 4:1990
One-dimensional consolidation properties	BS 1377:Part 5:1990
Shear strength - small shear box (loads 0.05 to 50kN)	BS 1377:Part 7:1990
Residual shear strength - small ring shear apparatus (loads from 0.05 to 10kN)	BS 1377:Part 7:1990

Materials / Properties tested - Stabilised Materials for civil engineering purposes - cement stabilised and lime stabilised materials
Type of Test / Properties Measured / Range of Measurement	Standard Specifications / Equipment / Techniques Used
Initial consumption of lime	BS 1924:Part 2:1990
California Bearing Ratio (CBR) (loads from 0 to 50kN)	BS 1924:Part 2:1990
Moisture content - oven drying method (definitive)	BS 1924:Part 2:1990
Plastic limit	BS 1924:Part 2:1990
Liquid limit	BS 1924:Part 2:1990
Plasticity index	BS 1924:Part 2:1990
Degree of pulverisation	BS 1924:Part 2:1990
Dry density / moisture content relationship (2.5kg rammer)	BS 1924:Part 2:1990
Dry density / moisture content relationship (4.5kg rammer)	BS 1924:Part 2:1990
Dry density / moisture relationship (vibrating hammer - subsidiary method)	BS 1924:Part 2:1990
Moisture condition value (MCV)	BS 1924:Part 2:1990
MCV/Moisture content relation	BS 1924:Part 2:1990

Capability statements

Geotechnical laboratory testing

Materials / Properties tested - Aggregates

Materials / Properties tested - Rock

Materials / Properties tested - Soils for civil engineering purposes

Materials / Properties tested - Stabilised Materials for civil engineering purposes - cement stabilised and lime stabilised materials