In response to an expanding workload Quantum Geotechnical have just purchased a third Tei HEM 560 Drill mast. This fleet expansion will allow us to undertake larger soil nailing, rock bolting and ground anchoring projects nationwide as well as increasing capacity in preparation for the upcoming workstream flowing from our inclusion on the Highways England framework.
Quantum are delighted to have been awarded the second phase of investigation works at the National Botanic Garden of Wales, Llanarthne as part of the prestigious Regency Restoration Project. Having completed the first phase in 2016, Quantum mobilised to site mid-September to further investigate the former dam structures. This work forms the initial stages of what will be a spectacular restoration project bringing the former intricate and stunning water features back to life as they were over 200 years ago! Quantum are privileged to be part of this local scheme.
In June 2017, Quantum was appointed as one of the preferred contractors on the Wessex Water Site Investigation & Contaminated Land Services Framework, which will run for a period of five years. Wessex Water covers an area of over 10,000 sq. km in the South West of England and Quantum are pleased to have completed its first site investigation at Cromhall STW at Baden Hill, South Gloucestershire. The Framework will be managed by Quantum’s South West regional office, headed up by Jim Dennis and Ben Tucker.
Quantum’s Senior Engineering Geologist, Phil Darby, takes up his new role as Ground Investigation Operations Co-ordinator. Responsible for the South Wales based geotechnical team, Phil will administer and co-ordinate all ground investigation and consultancy contracts. Having been with Quantum for just over five years and in the industry as a whole for over 10 years, Phil will now lead a team of Engineering Geologists and Senior Technicians, driving the Geotechnical and Ground Investigation sections forward. We wish Phil every success in his new role.
Coming up to his 15th year with Quantum and having formerly worked for Thyssen Geotechnical, from which Quantum evolved, Ross takes over all operational, commercial and SHEQ matters within the company. With an emphasis on quality and efficiency, Ross will seek to develop the company going forward based on its greatest asset, its employees. Quantum’s long serving and dedicated staff and operatives are the basis upon which Quantum has been built, and will continue to build its fine reputation.
Quantum are delighted to announce that Quantum’s Senior Engineering Geologist and International Projects Manager, Jim Dennis, has taken up his new role as Regional Manager of Quantum’s South West region based out of our Exeter office. Jim has been with Quantum for over five years and will head up the region with a focus on development, growth and building upon existing working relationships across the South West.
The latter half of September sees Quantum complete the second phase of ground investigation works at Shoeburyness Ministry of Defence base, Essex. The works are part of ongoing developments and comprised cable percussive boreholes with rotary follow on through the overlying alluvium deposits and into the deeper lying London Clay strata to assist with piled foundation design on behalf of the Client and in conjunction with the Main Contractor, Dawnus Construction Holdings Ltd, London office.
Quantum continues to increase its capability and capacity by purchasing a third TEI drill mast. Our Contracting section have enjoyed a thriving Summer with increased soil nailing and rock anchor projects. The need for additional plant was critical and ensures that we continue to offer highly competitive rates and a diverse range of ground stabilisation and improvement services. Supported by a fleet of Commachio drilling rigs, drill masts, auxiliary equipment and heavy construction plant, instils our Clients with confidence in quality of workmanship.
Carmarthenshire based construction company, Lloyd and Gravell Ltd, in conjunction with Carmarthenshire County Council, appointed Quantum to undertake a second phase of ground investigation at the proposed location of a new Primary School, located in the heart of Gorslas, Carmarthenshire. Following a review of past studies, Quantum scoped the ground investigation including an assessment of historic coal mining risks, environmental and geotechnical appraisals. We are due to complete all investigation works by the end of September 2017.
Quantum’s Geotechnical Team successfully completed a three phased ground investigation in Welshpool on behalf of Dawnus Construction Holdings Ltd. The site works included rotary and dynamically sampled boreholes, trial pits, window sampling and in-situ testing at three closely sited areas for the development of an existing school and construction of a new school. The road network that currently serves the existing school and will also serve the new school was also investigated as part of the scheme. The £57k investigation was completed ahead of schedule during the school summer break.
Quantum welcomes back Ben Tucker as a Senior Engineering Geologist based out of the Exeter office. Ben previously worked for Quantum at its Llanelli office back in 2012. Following a move back home to Devon in 2014, Quantum are delighted to have Ben back on board. With a wealth of ground investigation experience and industry knowledge having been in the industry for over 10 years, Ben will be tasked with assisting to develop Quantum’s Client base and working relationships in the South West.
Quantum are one of the preferred contractors on the Coal Authority Framework, and were awarded the investigation works associated with an existing abandoned tin mine shaft to aid with stabilisation and capping design parameters. A series of open hole drilled boreholes were undertaken in August 2017 managed by Quantum’s South West Regional Office based in Exeter. The works were successfully completed and Quantum’s excellent relationship with the Coal Authority continues to thrive.
Quantum have completed a challenging ground anchoring project at Teignmouth Point, Devon. The works comprised the installation and testing of Dywidag double corrosion protected ground anchors and Ischebeck TITAN 52/26 self drilling anchors during the construction of a new sea wall and promenade by local marine specialists TMS Maritime Ltd. The works were carried out intertidally using our Comacchio MC600 drill rigs and Tei HEM 560 drill masts.
Quantum continue to establish themselves in the West Midlands, successfully completing its first ground investigation scheme on behalf of Worcester County Council. The £45k ground investigation formed part of the Council’s Strategic Economic Plan for the Highway Flood Adaptation Programme across Worcestershire to establish flood alleviation schemes. Comprising cable percussive boreholes, trial pits and cone penetration testing, in both the highway and adjacent lands, the two week site works were completed on time and to the satisfaction of the Client and scheme Engineers CH2M Hill (UK) Ltd.
The Ground Investigation site works at Plas Uchaf Reservoir, Llannefydd, North Wales is now completed. Working on behalf of Skanska Construction UK Ltd, Quantum were instructed in June 2017 to undertake a challenging investigation along the existing reservoir spillway. With intricate scaffold structures, procured by Quantum, required to create access for Quantum’s rotary drill rigs across the sensitive dam crest and into the spillway. The £200k contract and 8 week site works programme has been delivered successfully, with all interested parties extremely happy with Quantum’s service.
Following our recent annual Railway Industry Supplier Qualification Scheme ‘RISQS’ audit we are pleased to announce that Quantum Geotechnical Limited have maintained our 5 Star RISQS Achilles Rating. With an increasing number of Quantum’s specialist site operatives and fully trained geotechnical engineers fully PTS and ICI certified; Quantum continue to increase their client base and work areas within the rail sector.
Quantum Geo-Contracting were awarded the contract to install a new rotork unit base and sluice gate at Milford Haven Lock on behalf of Milford Haven Port Authority. Works comprised temporary access works to the vertical access shaft, controlled demolition of the original concrete structures and the construction of a new reinforced concrete base. The final stage of the works was the removal by divers of the temporary steel sluice blanking plates allowing the new sluice gate to become operational.
Quantum Geotechnical’s Soils and Materials Testing Laboratory has recently extended its scope under the existing UKAS Accreditation to ISO/IEC 17025:2005. In addition to the existing UKAS Accredited Schedule for soils classification testing and concrete cube testing, we can now offer our Clients UKAS Accredited in-situ testing. This includes Plate Bearing Tests, CBR Tests by the plate bearing method and CBR Tests by dynamic cone penetrometer. This allows us to provide Clients with a high quality testing service, with the Accreditation required on most Public, Private, highways, building and infrastructure projects.
Inaugural Contract Award on the Hertfordshire County Council (HCC) Framework. Quantum have been awarded its first ground investigation contract for a site in St. Albans (£85k). Tasked with undertaking deep CP boreholes, DPSH probes and WS boreholes, the works are programmed for three weeks commencing last week in July. Two CP and two DPSH rigs will be drilling to depths of up to 40m through the local Chalk geology targeting zones of microgravity anomalies identified by pre-works Geophysical scanning. Opus International (UK) Ltd will be the Scheme Engineer.
Employed to undertake a series of probe holes along the scenic headland of Annis’s Knob in Beer, the project presented many challenges none more so than physically accessing the top of the headland with suitable drilling equipment adapted specifically for the job. With over 300m of narrow steep footpath to traverse, Quantum successfully installed a number of 25m deep Inclinometers and Extensometers through the chalk strata along with surface Settlement Plates to permit long term monitoring of the headland.
Quantum Geo-Contracting has completed slope stabilisation works on behalf of J N Bentley Ltd at Hook Water Treatment Works, Pembrokeshire. Excavation for an extension to the water treatment plant required temporary support. Works comprised the drilling of 140 soil nails up to 10.5m long and the installation of 400sq.m of rockfall netting. Using our TEi Hem 560 drill masts we were able to achieve high production rates at varied orientations up to 7.5m above working platform.
Quantum Laboratories recently purchased an additional Premier Modular 100 Rig to continue expanding their testing capabilities and capacity. With Quantum experiencing an increased rail workload, the specialist light weight and highly versatile rig is ideal for the often difficult and restricted accesses rail sites pose, whilst also offering our Clients a variety of options. Complementing our existing Dando Terrier Rigs, the Modular 100 Rig is capable of Super Heavy Dynamic Probing, SPT/CPT Testing and Windowless Sampling, the rig can also undertake U38, U70, UT100 and Concrete Coring.
Ground investigation, earthworks assessment and design and construction of a grout curtain at the Mount Coffee Hydroelectric Project. The scheme comprised the rehabilitation of a hydroelectric power plant that had fallen into disrepair during the Liberian Civil War. Quantum undertook a number of ground investigation packages for a variety of elements associated with the redevelopment of the site including proposed transmission line towers, proposed sub-stations and new dams. A geological mapping exercise backed up by extensive trial pitting was undertaken to characterise the available residual soil materials in the locality. View Article
Quantum have been awarded the Site Investigation contract for the proposed new Torfaen Sixth Form College at the former Meritor Site in Cwmbran. Quantum will be working directly for Principal Contractor, Interserve, alongside the Scheme Engineering Consultants, Opus.
Quantum completed works for Cormac Solutions on the A39 at Treluswell. Works comprised design and execution of temporary rock stabilisation as well as bulk hard rock excavation beneath the live highway. Using one of our TEi Hem 560 drill masts mounted on a 25T excavator we installed 35 6m long rockbolts before carrying out controlled excavation and removal of 40 cubic metres of hard granite bedrock. Works concluded with the placement of a temporary A393 structural mesh overlain with rockfall netting; securing the embankment whilst the retaining structure was constructed.