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Zetica Ltd All Services Brochure


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Zetica Ltd All Services Brochure

  1. 1. environment and archaeology utility servicesfoundations and geotechnicsinfrastructure ground stabilitysurveying and monitoring unexploded ordnance Reduce the risk of the unknown
  2. 2. contentsHow Zetica can assist 03Infrastructure 04Environment AND Archaeology 05Foundations and Geotechnics 06Ground Stability 07Unexploded Ordnance (UXO) 08Utility Services 09Surveying and Monitoring 10Zetica’s notable projects 11 02
  3. 3. how zetica can assistZetica can help you to quickly characterise the Why choose Zetica?above- and below-ground conditions across a Zetica has a fast-growing customer base. Oursite and reduce the risk of encountering hazards customers tell us that we have a reputation forunidentified during a desk study or a traditional providing practical and innovative solutions. Oursite investigation. Our approach can reduce the service is based onnumber of boreholes or trial pits required to • making an effort to fully understand yourcharacterise the subsurface. requirements • offering objective and straightforward advice on aNon-intrusive survey methods range of mapping requirementsWe use non-intrusive methods to • supplying survey designs that deliver the• Inform infrastructure planning and maintenance information you need at the least cost• derive geotechnical properties using surface and • providing surveys that are always of high quality borehole geophysical measurements and have reliable and repeatable results• detect buried utility services and shallow voids • presenting clear survey results with information• detect buried hazards such as solution features, that is accessible to all levels in your organisation underground storage tanks and buried pits • constant innovation. If the technology is not• locate unexploded ordnance (UXO) available to help, we can develop it for you• inform route selection for cable routes, pipelines, railways and roads• characterise geological structures for carbon capture and storage, and nuclear waste disposal• monitor containment structures, e.g., dams and landfills• monitor landslide-prone slopes• map archaeological features.We map above-ground features and settlement usingtraditional topographic survey methods and advanced3D LiDAR and inSAR technology. 03
  4. 4. infrastructure seismic · electrical · electromagnetic · magnetic microgravity · ground penetrating radar · radiometricWhat do we do? WHAT CAN our surveys help YOU with?Our non-intrusive survey methods can be • Optimising the selection of a linear routeapplied throughout the life cycle of an • Optimising the location of foundations andengineered structure. This extends from an containment structuresinitial ground investigation, providing design • Maintaining flood defencesand safety information, monitoring the impact • Preventing damage to existing infrastructureof construction on surrounding structures and (e.g., drilling through reinforcement)ongoing monitoring of the integrity of structures • Filling in the missing detail between intrusive samplethrough to helping to determine when to locationsschedule essential maintenance tasks. • Information for proactive maintenance of roads and rail trackbedsExamples of our work • An early warning of a threat to a containment• Detecting shallow voids beneath proposed or structure existing structures • Parameters for foundation design• Mapping detailed pavement construction• Characterising structure reinforcement and thickness Who uses our surveys?• Mapping trackbed condition • Energy infrastructure operators• Measuring the length of existing piles • Geotechnical and structural engineers• Measuring low-strain elastic moduli • Nuclear installation operators• Detailed mapping of soils and soil cover thickness • Road and rail trackbed maintenance contractors• Determining flood defence composition and integrity • Flood defence managers• Monitoring containment structure integrity • Waste facility operators • Facility managers 04
  5. 5. environment and archaeology seismic · electrical · electromagnetic · magnetic microgravity · ground penetrating radar · radiometricWhat do we do? WHAT CAN our surveys help YOU with?Our non-intrusive survey methods can be used • Reducing the uncertainty associated withto map a wide range of man-made features encountering buried hazardsand possible hazards to uniquely inform • Quickly identifying the source of contaminationenvironmental and archaeological studies and to (avoids peppering the site with boreholes)reduce uncertainty in the site concept model. • Identifying pathways for contaminants (e.g., drains, culverts and granular soil channels)Examples of our work • Reducing the number of intrusive exploratory points• Mapping the location and extent of buried pits that may exacerbate the contamination and landfills • Early warning of a breach in a containment structure• Identifying variations in the composition of buried • Identifying the occurrence of archaeology to assist in waste planning• Detecting buried structures such as cellars, culverts and drains Who uses our surveys?• Locating underground storage tanks • Energy infrastructure operators• Identifying geological boundaries, aquifers and • Brownfield site developers aquitards • Environmental engineers• Identifying saltwater ingress into a freshwater aquifer • Earthworks contractors• Detailed mapping of industrial and pre-industrial • Regulators archaeological features • National parks and reserves• Monitoring leaks in landfill liners using permanent • Waste facility operators installations and to quality control liner construction • Landowners• Monitoring the integrity of containment structures such as waste dams and tanks 05
  6. 6. foundations and geotechnicsseismic · electrical · electromagnetic · magneticmicrogravity · ground penetrating radar · radiometricWhat do we do? WHAT CAN our surveys help YOU with?It has been estimated that over 50% of • Survey resolution and area coverage many timesconstruction claims and change orders are related greater than is achievable with boreholes or probingto insufficient subsurface information. Our • Taking the guesswork out of conceptual modelssurveys aim to properly characterise subsurface by identifying features that would be missed by aconditions to assist in developing structures, borehole investigationincluding foundations and drainage and • Saving money through more accurate targeting ofcommunication infrastructure. We help to reduce subsurface featuresthe uncertainty and the risks associated with the • Avoiding ground disturbance on sensitive sitesdesign and construction process. Who uses our surveys?Examples of our work • Energy infrastructure developers• Mapping boundaries between soil and rock types • Geotechnical and structural engineers• Measuring low-strain elastic moduli • Environmental engineers• Contouring the depth to pile-bearing strata • Construction companies• Mapping the presence of groundwater • Road and rail contractors and operators• Locating sinkholes, voids and fractures• Mapping the extent of disturbed ground• Assessing the risk of trench collapse• Determining the need for catholic protection on below-ground installations 06
  7. 7. ground stability seismic · electrical · electromagnetic · magnetic microgravity · ground penetrating radar · radiometricWhat do we do? WHAT CAN our surveys help YOU with?We can help to reduce the risk associated with • Efficient identification of hazards without thestructures built on potentially unstable ground. This expense of a dense grid of boreholeshelp may be proactive by identifying the ground • Identifying the areas most prone to structural failurethat is best suited to development (i.e., avoiding • An early warning system to identify when a failurerisky areas) or reactive by monitoring ground could occurmovement that could threaten existing structures. • Identifying potential hazards during construction (e.g., voids hazardous to heavy plant)Examples of our work • Revealing areas that require remediation• Mapping underground voids associated with former • Identifying areas where trench stability is lower structures • Geotechnical information for structural designs• Mapping dissolution features• Mapping natural caves and mine workings Who uses our surveys?• Mapping settlement • Energy infrastructure developers and operators• Identifying changing soil and rock types • Geotechnical and structural engineers• Providing soil strength information and identifying • Construction companies looking to understand the presence of groundwater ground stability during excavation• Characterising the shear modulus along • Port, marine and waterway infrastructure operators embankments and the slopes of cuttings • Road and rail contractors and operators• Mapping and monitoring unstable ground such as • Government waterway and coastal agencies slopes and embankments • Regulators 07
  8. 8. unexploded ordnance electrical · electromagnetic · magnetic ground penetrating radar · radiometricWhat do we do? WHAT CAN our surveys help YOU with?We provide a full range of services relating to the • Pragmatic and realistic assessments of riskmanagement of potential UXO risks. We offer a • Zoning of the risk instead of common designation ofseamless service from risk assessment through to the entire site under a single risk categoryrisk mitigation. Our services have set the quality • Reducing and removing the health, safety andbenchmark for the industry. environmental hazards of UXO • Ensuring you understand the risks and helping youExamples of our work to make an informed judgment on mitigation• Detailed desk studies and risk assessments • Detection assurance by quantifying detectability• Peer review of third-party risk assessments and across a site detection surveys • Reassurance for your stakeholders with respect to• Providing a formalised statistical approach to assess this potentially emotive issue – after all, UXO is just a risk and quantify the impact on site investigation type of contaminant and construction• Guidance and advice on options to mitigate Who uses our surveys? identified risks • Military and brownfield site developers• Services to detect, locate, identify and remove UXO • Construction companies working in cities that were• Liaising with local authorities on our clients’ behalf bombed during the First and Second World Wars • Operators of vulnerable establishments such as nuclear sites • Energy infrastructure developers • Port, marine and waterway operators • National parks and reserves • Transport infrastructure operators • Government agencies 08
  9. 9. utility services electrical · electromagnetic · magnetic ground penetrating radarWhat do we do? WHAT CAN our surveys help YOU with?We survey utility services to build accurate asset • Preventing the health, safety and environmentalregisters and minimise the risk of damage during consequences associated with damaging a utilityconstruction. Confirmation of the position and servicethe depth of existing utilities facilitates the • Reducing the costs associated with damaging aplanned diversion of essential services and ensures utility servicethat excavations, construction or site investigation • Enabling an assessment for the reuse of existingexploratory points can be safely positioned to infrastructureavoid damaging utilities. • Improving the accuracy of asset mapping byWe approach utility services detection with a combining utility and topography surveysbroad suite of passive and active techniques. Onebenefit of an integrated approach is that we can Who uses our surveys?also report on other in-ground features, such as • Energy infrastructure developers and operatorsburied tanks, piles and infilled ground, and depth • Utility service and infrastructure operatorsto bedrock. • Site investigation contractors • Construction companiesExamples of our work • Operators of sensitive establishments such as power• Standard utility services detection using techniques generation or nuclear sites such as radio frequency location and ground • Transport infrastructure operators penetrating radar• Surveying to any of the specified TSA or ASCE levels• Enhanced utility services detection for sites unsuitable for industry-standard techniques• CAD drawings of detected utility services• Basic marking out of cable or pipe locations• Statutory undertaker plans in CAD format 09
  10. 10. surveying and monitoring total station · 3D LiDAR · inSAR remote sensing · seismic · electricalWhat do we do? WHAT CAN our surveys help YOU with?We offer a broad range of topographic survey and • Mapping of developmentsmonitoring solutions. Geophysical measurements • Accurate positioning of development and exploratoryof changes in shear modulus, moisture level and pointsfluid flow acquired using seismic and electrical • Baseline measurements or permanent records of sitemethods can provide a unique, relatively early developmentwarning system. • Accurate measurement of the movement of structures and groundExamples of our work • Early warning of possible ground movement• Pre-development surveys for planners and engineers • Indications of relative changes in site development• Measured building and elevation surveys • Quantity measurements• Structure and ground stability monitoring • Proving ownership boundaries• Rail and road route and infrastructure surveys• Cable substation and overhead line surveys Who uses our surveys?• Earthwork and quarry volumes • Railway and road operators and contractors• Setting out • Energy infrastructure developers and operators• Structure clearance LiDAR surveys on rail and • Infrastructure operators road infrastructure • Architects• Satellite-based ground movement surveys (inSAR) • Consulting engineers and contractors• Monitoring leachate migration and containment • National parks and reserves structure leaks• Volume measurements 10
  11. 11. zetica’s notable projectsProject Stakeholder ServiceCrossRail, London CrossRail Mapping of utility services, structures and topography. UXO risk assessments and mitigationNord Stream gas pipeline, Baltic Sea Nord Stream Peer review and guidance for a marine UXO surveyNational carbon capture and gas National Grid Various mapping services topipelines inform route selection and reduce construction costsOlympic development, London Olympic Development Authority UXO risk assessment for the whole developmentSouth African freight railways Transnet Trackbed quality measurementsCapital city, Abu Dhabi Abu Dhabi Urban Planning Peer review and advice on a Department geophysical survey to map voidsNational parks and nature reserves RSPB, English Nature and National UXO risk assessment and risk Parks mitigation, including disposalStation redevelopment, Reading Network Rail Utility services and buried structures mapping before the redevelopment a major junction and stationNuclear facility British Nuclear and Sellafield Ltd Mapping of structures and utility services before drilling of sensitive structures. Geotechnical characterisation of deep soilsUK road network Highways Agency and Atkins Measurement and assessment of road pavement constructionProposed power station, RWE npower Geotechnical and bedrock profiles forNorthumberland a proposed power stationUK rail network Network Rail Provision of a trackbed quality assessment systemInternational port development, Mouchel Survey to map voids associated withCentral America dissolution featuresCoventry Rolls-Royce Provision of geotechnical parameters and location of buried structuresNational framework Environment Agency Utility services mapping, UXO assessments and geophysical surveysNational Electricity Network National Grid, Electricity Alliances Mapping of utility services, structures and topography. UXO risk assessments and mitigationCentral Asia, Kyrgyzstan and Arup Mapping of soil cover changes,Kazakhstan bedrock depth and fault locationsUS rail network BNSF and UP Assessment of trackbed conditionRAF sites Ministry of Defence Mapping of utility services, buried waste, structures and topography. UXO risk assessments and mitigation 11
  12. 12. contact usUK head office15–16 Hanborough Business ParkLong HanboroughOX29 8LHUKTel: +44 (0)1993 886682Fax: +44 (0)1993 886683Email: