Multiple Ground Investigation Techniques on Site in Cornwall
A combination of trial pits and dynamic sampling (windowless sample boreholes) with in-situ and laboratory testing has been undertaken as part of an ongoing ground investigation for a large residential development.
Trial Trenches Expose Historical Coal Mining Entries near Bristol
A combination of trial pitting and trenching was undertaken at a site in an area of historical coal mining to the north of Bristol as part of a coal mining risk assessment.
Dynamic Sampling was Preferred Method of Investigation in Devon
Dynamic sampling (windowless sample boreholes) was utilised in a scheme of works for the proposed stabilisation and reinstatement of a quay wall.
Cable Percussive Boreholes for Piled Foundation Design and Settlement Analysis
Cable percussive boring was undertaken as part of a geotechnical investigation to determine the ground profile for piled foundation design and settlement analysis.
Rotary Borehole Rig Craned-In, in Devon
Rotary cored boreholes were undertaken as part of a geotechnical investigation for the proposed retaining wall in North Devon.
Boreholes for Retaining Wall, North Devon
To aid the design of a large retaining wall at a former glove factory in North Devon, Ruddlesden geotechnical were commissioned to undertake a geotechnical investigation to provide information on the ground conditions.
BRE DG 365 Soakaway Testing, Cornwall
In-situ soakaway testing was undertaken in accordance with BRE DG 365, as part of a wider geotechnical investigation and contaminated land assessment for the residential redevelopment of land near Newquay, in Cornwall.
Deep Bore Soakaway Testing, Devon
A combination of in-situ constant and variable (falling) and constant head testing was undertaken to provide information for the design of a number of deep-bore soakaway drains at a residential development site in Torbay.
Highway Investigation Works Adjacent to Live Highway, Cornwall
In-situ California Bearing Ratio (CBR) testing was undertaken to provide a design CBR value for road pavement design.
Plate Bearing Testing for Wind Turbine, Devon
Ruddlesden geotechnical have recently undertaken plate bearing testing at a number of farms in Cornwall to validate geotechnical parameters, provided as part of a previous geotechnical investigation, used in the design of the wind turbine.
Sand Replacement Testing Undertaken to Validate Earthworks, Torbay
Following the production of an earthworks specification, Ruddlesden geotechnical undertook in-situ sand replacement testing, to confirm the dry density of compacted material...
UKAS Accredited Testing for Residential Development in Somerset
Extensive geotechnical and contamination laboratory testing was recently undertaken as part of a ground investigation for proposed residential development site on the outskirts of Weston-super-Mare.
Gas Monitoring for Residential Development in Cornwall
Ruddlesden geotechnical have been undertaking ground gas monitoring to provide data for a ground gas assessment for the proposed residential development of land near Newquay, Cornwall.
Groundwater Monitoring for Retaining Wall Design, Devon
Following a geotechnical investigation, groundwater monitoring was undertaken to provide data for the design of a proposed retaining wall.
Near-surface geophysics, comprising ground penetrating radar (GPR) and resistivity, was used to identify the presence, geometry and depth of limestone solution features at a proposed residential development.
Rope Access Work for Cliff Stability Survey, Dorset
Ruddlesden geotechnical were commissioned to undertake a cliff stability survey for a property situated on the Isle of Portland.
CPT Testing Used to Supplement Borehole Data
Following an initial phase of geotechnical investigation, comprising cable percussive boreholes, cone penetration (CPT) testing was undertaken to obtain a greater resolution of data, to confirm the ground and groundwater conditions beneath the site.
Combined Geotechnical Consultancy Services Provided for Residential Development, Devon
Ruddlesden geotechnical has provided a combination of several geotechnical consultancy services for a large and on-going residential development site in Torbay.
Pre-Purchase Phase 1 Geotechnical Assessment Provides Cost-Effective Information
Ruddlesden geotechnical were commissioned to undertake a Phase 1 Geotechnical Assessment on behalf of a national housebuilder at an existing golf course in Dorset.
Foundations Options Appraisal, Somerset
The Somerset Levels typically comprise a thick sequence of Tidal Flat Deposits, made up of layers of peat, clay, silt, sand and gravel, underlain by the Triassic and Jurassic bedrock deposits.
Foundation Inspections Reduce Construction Costs, East Devon
Ruddlesden geotechnical are currently undertaking foundation inspections on a plot-by-plot basis for a regional housing developer at a new residential development site in East Devon.
BRE 470 Platform Design, Paignton
A significant thickness of made ground and underlying soft clay soils were encountered during a geotechnical investigation, necessitating the use of piled foundations for a proposed residential development site in Paignton. To facilitate the piling works, a working platform was required.
Coal Mining Assessment, Somerset
A Phase 1 Geotechnical Assessment and Coal Mining Risk Assessment indicated that a proposed residential development site in Nailsea was potentially at risk from mining-related subsidence as a result of shallow mine workings within the coal seam beneath the site.
Mining Supervision, Somerset
Following a coal mining risk assessment, which indicated the proposed residential development site in Kingswood, Bristol, to potentially be at risk from historical coal mining, a geotechnical Investigation was undertaken to ascertain the depth (and thickness) of any historical mine workings.
Subsidence Investigation, Exeter
A void was encountered during construction works beneath an existing residential property in Exeter.
Solution Feature Investigation, Brixham
A solution feature investigation and assessment was undertaken by Ruddlesden geotechnical at the site of a proposed residential development in Brixham.
Economical Recommendations Provided for Ground Floor Slab Design, Devon
Ruddlesden geotechnical were commissioned to review historical site investigation data to form a ground model and provide guidance on the use of a ground bearing slab.
Large Retaining Wall, Devon
As part of the redevelopment of an existing large, residential property in Chagford, Devon, a large retaining wall was proposed.
Temporary Works Excavation Stability Assessment, North Devon
It was proposed to construct a retaining wall as part of the proposed redevelopment of a residential site in north Devon.
Assessment of Groundwater Pressures Critical for Retaining Wall Design
Long-term groundwater level and pressure monitoring of standpipe piezometers installed in rotary boreholes was undertaken to provide information for the design of a new retaining wall for a school in Dorset.
Geotechnical Considerations for Basement Construction for Proposed Hospital
For a proposed basement car park at a hospital in Dorset, Ruddlesden geotechnical were commissioned to undertake a geotechnical investigation.
Conventional soakaway drains, combined with sustainable drainage systems (SuDS), were proposed as a means of surface water drainage at a proposed residential development site in Cornwall.
Deep Bore Soakaways, Devon
Deep-bore soakaway drains were recommended by Ruddlesden geotechnical following observations made during conventional soakaway testing in accordance with BRE DG 365 at a proposed residential development site in Torbay.
Successful Foul Drainage Tests Facilitate Residential Development in Devon
It was proposed to construct a foul water drainage field at a proposed residential development site in South Devon.
CBR Values for Road Pavement Design, Cornwall
Ruddlesden geotechnical were commissioned to undertake California Bearing Ratio (CBR) testing to provide a design CBR value for road pavement design.
Slope Stability Assessment at Holiday Park, Dorset
It was proposed to locate several holiday lodges on the bank of a lake at a holiday park in Dorset.
Cliff Stability Assessment, Dorset
There was a stability risk at a cliff-top site on the Isle of Portland, as indicated by a Phase 1 Geotechnical Assessment, previously undertaken by Ruddlesden geotechnical.
Earthworks Materials Suitability Assessment Enables Re-Use of Site-Won Soils, Devon
A materials suitability assessment was undertaken as part of a wider geotechnical investigation and contaminated land assessment for a proposed residential development.
Earthworks Specification, Devon
Following a materials suitability assessment, Ruddlesden geotechnical produced an earthworks specification for the proposed material movements at a residential development site in Paignton.
Ground Improvement, Shropshire
To inform the design of an embankment for a proposed highway, as part of the residential redevelopment of a site in Shropshire, Ruddlesden geotechnical were instructed to undertake a geotechnical investigation and assessment.
Pile Mat Design, Plymouth
Geogrids were used as part of a pile mat design for a site in Plymouth.
Ground Investigation Report, Cornwall
A Ground Investigation Report, fulfilling the requirements set out in BS EN 1997-2: Ground Investigation & Testing, was produced for an extension to a school in Dorset.
Minerals Resource Assessments, Dorset
Minerals Resource Assessments have been undertaken for three sites in close proximity to each other for the same developer on the outskirts of village near Poole, in Dorset, where minerals resource assessments are commonly required due to the quarrying of sand and gravel deposits.
Multiple Contamination Assessment and Consultancy Services at Holiday Park, Cornwall
A full range of contamination investigation and assessment services have been provided for a large and on-going holiday accommodation development in Cornwall.
Pre-Purchase Phase 1 Contamination Assessment
Phase 1 Contaminated Land Assessment for the proposed redevelopment of a brownfield site in Devon, as part of the pre-purchase appraisal for the construction of a new supermarket.
Residential Redevelopment of Former Garage
A human health risk assessment at a proposed residential development site in North Devon was undertaken as part of a wider scope of works comprising a Phase 1 and Phase 2 contamination assessment, followed by the production of a remediation strategy and subsequent validation testing.
Bioaccessibility Testing Negates Remediation
The chemical laboratory test results obtained as part of a Phase 2 contamination investigation for a proposed residential development in South Devon indicated elevated levels of arsenic to be present in natural soils.
P20 Groundwater Risk Assessment Demonstrates No Remediation Required
At a former engineering works near Exeter, elevated levels of polyaromatic hydrocarbons (PAH) and total petroleum hydrocarbons (TPH) were recorded in both the soil and groundwater beneath the site.
Ground Gas Assessment for Large Residential Development Site
After completing a Phase 1 contamination assessment, Ruddlesden were instructed to undertake a ground gas risk assessment for a proposed residential development near Rugby.
Radon Protection General Requirements
Although outside the scope of services usually provided, Ruddlesden geotechnical were able to help with a recent enquiry from a private individual.
Water Supply Pipe Assessment for Residential Development
Ruddlesden geotechnical were commissioned to undertake a preliminary site assessment report for water supply pipe selection at a proposed residential development site in North Devon.
Correct Waste Classification Saves Costs
Waste classification was undertaken on surplus soil at a residential development site in Exeter.
Asbestos Testing Allays the Concerns of Locals
As part of a larger contamination investigation and assessment for the residential development of a former power station, asbestos testing was undertaken.
Iron and Manganese Testing undertaken Instead of Remediation
An effervescent (oily) and rusty sheen was noted on water within initial foundation excavations and concern was raised about possible contamination from a nearby former railway siding.
TPH, PAH, VOC and SVOC Testing for Contamination Risk Assessments
Extensive speciated total petroleum hydrocarbon (TPH), polyaromatic hydrocarbon (PAH), volatile organic compound (VOC) and semi-volatile organic compound (SVOC) soil and groundwater testing was...
Contamination Remediation Strategy Outlines Requirements for Residential Development
In order to satisfy a planning and NHBC land quality conditions, Ruddlesden produced a contamination remediation method statement...
Validation Testing in Somerset to Satisfy NHBC and Local Authority
Ten years after carrying out the original contamination investigation and assessment, Ruddlesden geotechnical returned to the site to carry out the validation testing of the remedial works.
Supervision of Contamination Remediation of Former Petrol Filling Station
Ruddlesden geotechnical recently supervised the contamination remediation works for residential development of a former petrol filling station site in Exeter.
Foundation Works Risk Assessment Allows Development to Proceed
Ruddlesden geotechnical were commissioned to undertake a Foundation Works Risk Assessment for a proposed commercial development within the centre of Cirencester.
Materials Management Plan Avoids Unnecessary Landfill Disposal
Ruddlesden geotechnical produced a Materials Management Plan (MMP) in accordance with CL:AIRE Definition of Waste (DoW): Code of Practice (CoP) for the movement of topsoil from a donor site to a receiver site.
Ground Conditions Chapter for Environmental Statement for Large Residential Development
Ruddlesden geotechnical produced a ground conditions chapter for an Environmental Statement (ES) as part of the Environmental Impact Assessment (EIA)...
Close Liaison with Local Authority and NHBC Saves Time and Money
Ruddlesden geotechnical often liaise with the NHBC and local authority’s environmental health officer (EHO).