Zetica Brochure

1. environment and archaeology
utility services
foundations and geotechnics
infrastructure
ground stability
surveying
and monitoring
unexploded ordnance
Reduce the risk of the unknown

2. contents
How Zetica can assist 03
Infrastructure 04
Environment AND Archaeology 05
Foundations and Geotechnics 06
Ground Stability 07
Unexploded Ordnance (UXO) 08
Utility Services 09
Surveying and Monitoring 10
Zetica’s notable projects 11
02

3. how zetica can assist
Zetica can help you to quickly characterise the Why choose Zetica?
above- and below-ground conditions across a Zetica has a fast-growing customer base. Our
site and reduce the risk of encountering hazards customers tell us that we have a reputation for
unidentified during a desk study or a traditional providing practical and innovative solutions. Our
site investigation. Our approach can reduce the service is based on
number of boreholes or trial pits required to • making an effort to fully understand your
characterise the subsurface. requirements
• offering objective and straightforward advice on a
Non-intrusive survey methods range of mapping requirements
We 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 using
traditional topographic survey methods and advanced
3D LiDAR and inSAR technology.
03

4. infrastructure
seismic · electrical · electromagnetic · magnetic
microgravity · ground penetrating radar · radiometric
What do we do? WHAT CAN our surveys help YOU with?
Our non-intrusive survey methods can be • Optimising the selection of a linear route
applied throughout the life cycle of an • Optimising the location of foundations and
engineered structure. This extends from an containment structures
initial ground investigation, providing design • Maintaining flood defences
and safety information, monitoring the impact • Preventing damage to existing infrastructure
of construction on surrounding structures and (e.g., drilling through reinforcement)
ongoing monitoring of the integrity of structures • Filling in the missing detail between intrusive sample
through to helping to determine when to locations
schedule essential maintenance tasks. • Information for proactive maintenance of roads and
rail trackbeds
Examples 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. environment and archaeology
seismic · electrical · electromagnetic · magnetic
microgravity · ground penetrating radar · radiometric
What do we do? WHAT CAN our surveys help YOU with?
Our non-intrusive survey methods can be used • Reducing the uncertainty associated with
to map a wide range of man-made features encountering buried hazards
and possible hazards to uniquely inform • Quickly identifying the source of contamination
environmental 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. foundations and geotechnics
seismic · electrical · electromagnetic · magnetic
microgravity · ground penetrating radar · radiometric
What do we do? WHAT CAN our surveys help YOU with?
It has been estimated that over 50% of • Survey resolution and area coverage many times
construction claims and change orders are related greater than is achievable with boreholes or probing
to insufficient subsurface information. Our • Taking the guesswork out of conceptual models
surveys aim to properly characterise subsurface by identifying features that would be missed by a
conditions to assist in developing structures, borehole investigation
including foundations and drainage and • Saving money through more accurate targeting of
communication infrastructure. We help to reduce subsurface features
the uncertainty and the risks associated with the • Avoiding ground disturbance on sensitive sites
design 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. ground stability
seismic · electrical · electromagnetic · magnetic
microgravity · ground penetrating radar · radiometric
What do we do? WHAT CAN our surveys help YOU with?
We can help to reduce the risk associated with • Efficient identification of hazards without the
structures built on potentially unstable ground. This expense of a dense grid of boreholes
help may be proactive by identifying the ground • Identifying the areas most prone to structural failure
that is best suited to development (i.e., avoiding • An early warning system to identify when a failure
risky areas) or reactive by monitoring ground could occur
movement 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. unexploded ordnance
electrical · electromagnetic · magnetic
ground penetrating radar · radiometric
What 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 risk
management of potential UXO risks. We offer a • Zoning of the risk instead of common designation of
seamless service from risk assessment through to the entire site under a single risk category
risk mitigation. Our services have set the quality • Reducing and removing the health, safety and
benchmark for the industry. environmental hazards of UXO
• Ensuring you understand the risks and helping you
Examples 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. utility services
electrical · electromagnetic · magnetic
ground penetrating radar
What do we do? WHAT CAN our surveys help YOU with?
We survey utility services to build accurate asset • Preventing the health, safety and environmental
registers and minimise the risk of damage during consequences associated with damaging a utility
construction. Confirmation of the position and service
the depth of existing utilities facilitates the • Reducing the costs associated with damaging a
planned diversion of essential services and ensures utility service
that excavations, construction or site investigation • Enabling an assessment for the reuse of existing
exploratory points can be safely positioned to infrastructure
avoid damaging utilities. • Improving the accuracy of asset mapping by
We approach utility services detection with a combining utility and topography surveys
broad suite of passive and active techniques. One
benefit 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 operators
buried tanks, piles and infilled ground, and depth • Utility service and infrastructure operators
to bedrock. • Site investigation contractors
• Construction companies
Examples 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. surveying and monitoring
total station · 3D LiDAR · inSAR
remote sensing · seismic · electrical
What do we do? WHAT CAN our surveys help YOU with?
We offer a broad range of topographic survey and • Mapping of developments
monitoring solutions. Geophysical measurements • Accurate positioning of development and exploratory
of changes in shear modulus, moisture level and points
fluid flow acquired using seismic and electrical • Baseline measurements or permanent records of site
methods can provide a unique, relatively early development
warning system. • Accurate measurement of the movement of
structures and ground
Examples 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. zetica’s notable projects
Project Stakeholder Service
CrossRail, London CrossRail Mapping of utility services, structures
and topography. UXO risk assessments
and mitigation
Nord Stream gas pipeline, Baltic Sea Nord Stream Peer review and guidance for a marine
UXO survey
National carbon capture and gas National Grid Various mapping services to
pipelines inform route selection and reduce
construction costs
Olympic development, London Olympic Development Authority UXO risk assessment for the whole
development
South African freight railways Transnet Trackbed quality measurements
Capital city, Abu Dhabi Abu Dhabi Urban Planning Peer review and advice on a
Department geophysical survey to map voids
National parks and nature reserves RSPB, English Nature and National UXO risk assessment and risk
Parks mitigation, including disposal
Station redevelopment, Reading Network Rail Utility services and buried structures
mapping before the redevelopment a
major junction and station
Nuclear facility British Nuclear and Sellafield Ltd Mapping of structures and
utility services before drilling of
sensitive structures. Geotechnical
characterisation of deep soils
UK road network Highways Agency and Atkins Measurement and assessment of road
pavement construction
Proposed power station, RWE npower Geotechnical and bedrock profiles for
Northumberland a proposed power station
UK rail network Network Rail Provision of a trackbed quality
assessment system
International port development, Mouchel Survey to map voids associated with
Central America dissolution features
Coventry Rolls-Royce Provision of geotechnical parameters
and location of buried structures
National framework Environment Agency Utility services mapping, UXO
assessments and geophysical surveys
National Electricity Network National Grid, Electricity Alliances Mapping of utility services, structures
and topography. UXO risk assessments
and mitigation
Central Asia, Kyrgyzstan and Arup Mapping of soil cover changes,
Kazakhstan bedrock depth and fault locations
US rail network BNSF and UP Assessment of trackbed condition
RAF sites Ministry of Defence Mapping of utility services, buried
waste, structures and topography.
UXO risk assessments and mitigation
11

12. contact us
UK head office
15–16 Hanborough Business Park
Long Hanborough
OX29 8LH
UK
Tel: +44 (0)1993 886682
Fax: +44 (0)1993 886683
Email: info@zetica.com
www.zetica.com