GB Land Engineering Limited (GBLE) offer geotechnical investigations to all geo-environmental consultants as well as public and private sector clients. GBLE have the capability to offer an extensive variation of exploratory drilling techniques to accommodate a comprehensive range of surface and underground conditions to ensure that specific project and technical requirements are achieved.
OUR EXPERTISE IN THIS FIELD COVERS:
Various multi-functional drilling rigs available from 3 tonne to 15 tonne (maximum weight).
Rotary Open Hole to a maximum depth of 100 metres.
Rotary Core from 76mm up to 100mm.
Drilling mediums: Water, mist, mud or foam as per client requirements.
Dynamic Sampling: SPT’s and CPT’s.
Rotary Percussive Drilling.
Down the hole (DTH) and Symmetrix systems.
PW type Casing available.
Rotary casing up to 150mm diameter.
INSTALLATION AND MONITORING
Installation of temporary or permanent casing for monitoring, down hole surveys and sampling.
Installation of stand pipes, piezometers and divers.
In-situ borehole tests including, hydrological tests (modified falling head, pumping and single packer tests) and discrete water sampling.
Trial pits and trenches.
Sampling, logging (to BS5930) and testing.
Investigation of contaminated sites.
Geotechnical correlated borehole logs upon request.
Gas monitoring undertaken using GFM426-1.
Groundwater monitoring available.
GBLE can also provide a range of specific survey and testing techniques through our well established connections with specialist geotechnical service providers.
PRE-SITE CHECKS AND FACTUAL REPORTING PROCEDURES
Pre-site work walkover assessments.
Extensive historic geological archive data available.
Production of AGS borehole Data (HoleBase)
Schedule samples for analysis.
Engineering borehole logs available on request.
Surveying of borehole positions – data provided in DWG or XLS format.