Technical map of the administrative district of Arnsberg, marking Arnsberg as a location for ordnance investigation and surveying by FONTANA-EOD

Explosive ordnance survey in Herten for purchase and construction planning

A property has contaminated land information, older construction plans and perhaps a letter about ordnance investigation. These documents answer different questions. FONTANA-EOD helps you establish the specialist status of ordnance investigation for a project in Herten and compare it with the planned groundworks.

Property record

Organise documents by source and purpose.

Construction projects

Describe later groundworks with their areas and depths.

Missing evidence

Clarify outstanding points before the affected work.

Discuss the project's technical requirementsExplosive ordnance assessment in North Rhine-Westphalia
Assess the construction project

Clarify existing knowledge before the construction decision

For a property in Herten, existing responses are compared with the intended use and planned groundworks. Contaminated land, ground conditions and ordnance remain identifiable as different assessment tasks. We support specialist assessment and description of the steps still outstanding.

Project site

Connect the site with the specific construction task

Regional map for North Rhine-Westphalia with the state coat of arms, a tablet, safety helmet and notebook.

Direct Herten enquiries to the correct authority

For ordnance matters, the town of Herten identifies its public order office and support from the explosive ordnance disposal service of the Arnsberg District Government. For contaminated land, the town's environment page refers to the Lower Soil Protection Authority of the Recklinghausen district; the town's technical environmental protection service is also named as a contact. For your project, these different responses are assessed separately. For contaminated land information about a property belonging to someone else, the town's environment page specifies a declaration of consent from the owner. This requirement belongs to the contaminated land procedure described there. Documents required for an ordnance enquiry are clarified separately with the public order office.

The overview of the Münster administrative district provides further local information for the regional context of your construction project.

North Rhine-Westphalia
Local context

Assign historical use and current responses

The town of Herten documents use of the former Scherlebeck colliery as a prisoner-of-war camp during the Second World War. This information is assigned to the historical site and period described. For a present-day construction project, what matters is which sources actually cover your own groundworks area and how they were professionally analysed. Comparison with current plans and existing ordnance documents clarifies which findings contribute to the specific construction task.

Distinguish Herten responsibilities for ordnance and contaminated land

For ordnance matters, the town of Herten describes the responsibility of the local public order authority and support from the explosive ordnance disposal service of the Arnsberg District Government. For information from the contaminated land register, by contrast, it refers to the Lower Soil Protection Authority of the Recklinghausen district and the town's technical environmental protection service.

Assign existing responses to the correct subject of assessment

A contaminated land register concerns known or suspected pollutant contamination. Information from it therefore does not establish that the property has been investigated for ordnance. Conversely, an ordnance report does not answer outstanding questions about pollutants in the soil. For planning, the two document groups are assessed separately and their respective results then considered.

Investigation task

Which specialist task comes next?

Identify the missing information first

Comparing documents shows whether historical assessment, further investigation on site or initially more precise groundworks planning is missing. These tasks have different prerequisites. A blanket equipment choice does not answer them. The suitable service scope is derived from the specific need and findings already available.

Assess historical documents

Tie the commission to procedural status

Official information and a privately agreed specialist service are described with their respective tasks. The specific legal prerequisites for an activity in North Rhine-Westphalia must be observed. Before commissioning, content, scope and authorisations required are therefore clarified. Official decisions still outstanding remain explicitly identifiable in the programme.

Compare investigation methods
Project types

Organise property documents by their actual scope of findings

Illustration: two people review plans and documents at a table beside a construction vehicle.

Obtain documents with their attachments

A brief notification about the property may refer to further reports or maps. Request these components too and record their respective revision status. Specialist assessment depends on the complete findings and their limitations. Missing attachments are identified as an outstanding task and are not replaced by an oral summary.

Document findings and their limitations
Illustration: two people with a tablet beside a drawing table and a survey trolley on a construction site.

Describe use and groundworks separately

An intended use does not describe all groundworks. Add the proposed structures, connections and other ground interventions with location and depth, insofar as these are already defined. Preliminary information is identified as such. This establishes which questions can already be assessed and which depend on further design.

Specialist services and investigation tasks
Illustration: two people review plans and documents at a table beside a construction vehicle.

Bring different specialist questions together

Contaminated land, ground conditions and ordnance may concern the same project but each needs suitable findings. A common document overview helps identify those responsible and results still outstanding. Findings are not treated as interchangeable. An existing report is passed on with its own investigation purpose and spatial reference.

Coordinate the sequence and tasks
Working together

Distinguish the tasks of client, designers and specialist contractor

Client and operator

The client describes the project and provides the existing project documents. The operator adds the requirements for use, access and timing. A coordinating contact agrees the assigned tasks with those responsible. Before commissioning, a clear record is made of which information is missing, who will obtain it and which decision the results are intended to inform.

Planning and construction management

The specialist designers describe areas, depths, construction methods and changes. Site management coordinates the planned sequence with the construction contractors and agreed specialist works. Results are assigned to the respective intervention. A technical plan change is communicated early enough for its effect on the survey task to be assessed before construction. Organisational construction stage boundaries remain distinguishable from technical survey boundaries.

Specialist company and competent bodies

The private specialist ordnance contractor carries out the agreed investigation and documentation scope. Official requirements and decisions are clarified with the respective competent authorities. The documents needed for a specific procedure depend on the site and project. The technical report describes the specialist service carried out and assigns its findings to the proposed groundworks. Official decisions and further specialist assessments required are addressed within their respective areas of responsibility.

Preparation

Prepare the scope and commission together

Whether an investigation task may be commissioned privately depends on the specific North Rhine-Westphalia procedure and applicable legal conditions. The permissible activity is clarified before an agreement.

Establish what needs to be known before commissioning the work

For the Herten project, organise property documents by source and purpose. Contaminated land information, a ground investigation report and an ordnance report answer different questions. For the ordnance commission, the findings actually available are linked with the planned groundworks. This determines whether documents first need assessment, an identified area needs investigation or a finding already assessed needs further work. Specialist work and results documents required receive their own scope. Missing ordnance evidence is not replaced merely by completeness of the rest of the property file.

Define the specialist task

Coordinate preparatory work with the investigation

Before the agreed investigation, actual access, utility information and coordination with other trades are clarified. Information from other specialist reports is assessed according to its respective purpose; actual conditions are decisive for measurement. Preparatory work required depends on the method and site. Additional breaking of the surface or other groundworks to provide investigation access are professionally agreed in advance with those responsible and are not undertaken independently. Outstanding prerequisites remain assigned to the area affected.

Clarify preparatory work in the programme

Agree a clear scope and schedule

The commission records the ordnance question still outstanding for the property and planned work. Areas that are only partly accessible are considered in the scope. Effort and timing depend on actual access, documents and coordination; interpretation and handover are also included in planning. Results from other specialist disciplines retain their own purpose. If construction plans or available knowledge change, this is compared with the agreed commission before work is extended. The further decision builds on the documented status of the different assessment tasks in each case.

Discuss the scope and schedule
Tasks at the site

What existing property documents can establish

01

Information with attachments

Check whether a letter has an associated map or assessment. The date, area designation and limitations must be read together. A brief extract in sales documents may omit important limitations; request the complete evidence available. Note the file reference and plans or investigations named in the letter where these details are available. A later covering letter may refer to an earlier report whose attachments are still needed. If area designations differ, their allocation is clarified. For specialist assessment, a clearly legible map, its legend and the description of the area investigated belong together.

02

Application or result

Distinguish an application form from an official response and a report on an investigation carried out. Submitting an enquiry does not establish fieldwork. If an announced result is missing, the record should identify this outstanding status rather than infer completion from it. Historical analysis is also distinguished from a technical investigation carried out. The former may provide findings from earlier periods; the latter describes an investigation task actually performed. The date and document name help assessment but do not replace reading its content. If it is unclear whether announced specialist work was carried out, request the associated report and plan attachments. Existing knowledge remains identified accordingly until clarified.

03

Earlier and new development

An older report may concern different foundations or a smaller construction area. Set the new plans alongside it and compare the location and depth of groundworks. The unchanged property address does not establish that the earlier investigation is sufficient for the new task. For a new use, drainage, fencing with foundations or additional connection areas may be relevant alongside the main building. Describe the groundworks actually proposed. Existing investigation boundaries are related to them. A part of the site already investigated remains identifiable with its results; additional areas receive their own question.

04

Separate specialist questions

Keep questions about pollutants, ground conditions and ordnance distinct. An investigation not needed in one discipline does not automatically remove the other questions. Equally, a contaminated land indication alone provides no findings on whether ordnance is to be expected at the same location. A planned ground investigation borehole or sampling point must also be considered as ground intervention, with its starting position and depth. Specialist planners therefore agree their sequence before work. In the common overview, the investigation purpose, responsible parties and proposed results remain separately identifiable. An ordnance question needs the findings suitable for it; ground parameters or a pollutant analysis are used for their own specialist purpose.

05

Installations and interference

Utilities, reinforced structures or metallic interfering objects can affect measurement and interpretation depending on the method used. Specialist planning considers these conditions during method selection. Ground conditions and possible deposited fill are also assessed for the specific task. The report identifies the findings actually achieved and their limitations; any additions required are agreed before further groundworks.

06

Suspected ordnance in part of the site

If a specific indication of ordnance contamination exists for part of the site, it is brought into coordination with the public order office and explosive ordnance disposal service together with its source and spatial reference. Groundworks planning and the investigation task are related to it. The competent authorities clarify the further procedure; the project record distinguishes the results available from the tasks still outstanding.

07

No access to parts of the site

An area beneath a structure still present or within an inaccessible area is marked on the plan with its boundary. Those involved clarify when and under which conditions a suitable investigation will become possible there. Results for the ground area and volume already investigated are documented with their scope. The next construction decision considers the part of the site still unresolved.

Project documents

Documents that establish the next step

Retain the documented status at handover

Keep existing responses, underlying maps and later results together. An overview identifies each subject matter and outstanding questions. Subsequent planning can then work with the information actually available. A summary label for the property does not extend individual documents' findings. With several construction phases, clear allocation of reports to the respective areas helps. The overview can identify the plan revision, investigation subject and associated attachments. Documents supplied later are assigned by date. Those involved can then identify which findings were updated and which earlier limitations still need observation. For handover to new site management, the related document set is retained. Where clearance work has been carried out, this includes the clearance record with the actual scope and results, unambiguously assigned to the construction phase treated and its site plan.

Relate results to the current plans

Compare the investigation scope described with the work now proposed. Additional connections, changed depths or areas not previously considered are identified separately. Existing findings remain usable within their scope. For questions beyond it, the further coordination or investigation required is defined. Where possible, show the previous and new plans for a change. Additional depth is identified just as clearly as laterally shifted groundworks. The specialist response concerns this specific difference. Site management can trace whether existing results can still be used and which area remains to be investigated. Also identify when the changed evidence is needed for construction.

Construction sequence

Coordinate investigation and construction sections

Check the document set before deciding

Bring together existing property documents, their attachments and the current design. Identify the planned use and groundworks already defined. Dimensions not yet known or responses missing are recorded separately. This enables a traceable next step for further planning. An initial overview can record the date, author, affected area and purpose of each document. If a letter refers to attachments, they are considered together. Where plot numbers have changed, earlier plan attachments help compare the area covered at that time with today's boundaries. Any intervening subdivision or consolidation of the property is also considered during allocation.

Coordinate the construction phase with us

Update the reference as planning develops

New structures, changed connections and different depths of groundworks are compared with previous findings. The document overview receives an identifiable current revision. Additional clarification needs are assigned to each specialist question. Later, site management receives evidence relating to the specific construction work rather than a general statement about the property. An unchanged building footprint may, for example, involve deeper foundations or additional utility trenches. Such changes are assigned to the affected area. The document overview identifies the site plan used and its revision status. The comparison establishes whether existing findings still cover the changed construction activity or a supplementary task needs clarification.

Coordinate the construction phase with us
Method selection

Select methods according to the task and survey conditions

Historical records and aerial photographs

Historical aerial imagery analysis and other older documents help to place the basis for suspected ordnance in its spatial context. Documents on former use are assessed by source, period and area actually considered. The information obtainable from available imagery limits historical assessment. The absence of a visible finding is not a present-day subsurface measurement. For the ordnance question, the findings are linked with further documents and planned groundworks. Historical land-use information may also be important to other disciplines; findings about pollutants do not therefore establish that an ordnance investigation has been carried out.

Understand aerial photograph assessment

Magnetometric survey

Magnetometric methods detect magnetic anomalies. Suitability is assessed according to expected objects, ground conditions, interference and the investigation area required. Fences, utilities and existing structures can influence interpretation. Signal strength alone does not identify an object as ordnance. Measurement, assessment and further investigation required are planned together. The investigation is documented with the findings actually achieved. A magnetometric result must be distinguished from a chemical soil analysis and its pollutant findings.

Understand the scope of magnetometry

Electromagnetic methods

Electromagnetic investigations may be suitable for certain metallic target objects and site conditions. Selection is justified according to the information required, accessible survey areas and interfering installations, rather than equipment availability alone. Results include their location and investigation conditions. Any addition required follows from specialist assessment. Existing documents are assessed according to their actual purpose: the term ground investigation alone does not confirm that this specialist ordnance task has been addressed.

Understand electromagnetic surveying

Ground-penetrating radar

Under suitable conditions, ground-penetrating radar can provide information on subsurface structures and reflections. Ground conditions, moisture and installations affect interpretability. A reflection does not identify ordnance; an unremarkable area does not confirm conditions at any arbitrary depth. Interpretation and limitations are documented with the commission. Before an existing radar report on ground conditions or structures is used as ordnance evidence, its intended findings and actual coverage are checked.

GPR and limitations

Deep-ground and downhole surveys

For deeper groundworks, it may be necessary to check whether investigation from the surface can provide the information required or whether another approach is needed. Location, depth, borehole layout and known utilities then form part of preparation. The provision of suitable investigation access is also professionally planned. A standard grid or general depth figure does not replace this task. Existing drilling documents are assessed according to their actual investigation purpose. The ordnance findings remain tied to the ground areas and volumes investigated and the method used.

Prepare deep interventions

Survey during construction

If a necessary advance investigation cannot be completed in full, it is assessed whether a professionally planned approach during construction is suitable. Investigation, interpretation and communication of findings are linked with the programme. Visual observation of excavated material alone does not replace a necessary ordnance survey. Site management receives an allocation of specialist work and unresolved areas to the proposed activities. Accompanying monitoring from another discipline is treated according to its own purpose; it does not in itself describe an ordnance investigation carried out.

Agree the approach during construction
Technical assessment

Compare ordnance documents with the construction design

Read historical findings

A historical aerial photograph analysis provides findings from its sources. Whether a technical investigation took place later must be substantiated by further documents. The analysis is used with its limitations; missing information must not be interpreted as an unqualified favourable finding. The periods covered and spatial boundaries matter when using an analysis. Therefore also provide the map legend and explanations. A historical indication is assigned to the location described before being related to a present-day design. If parts of the evidence remain outstanding or only a particular section was addressed, this remains identifiable in further assessment.

Align the investigation with the groundworks

For a necessary survey the excavation, foundation elements and utility connections with their proposed depths are relevant, for example. Existing buildings, utilities or installations can affect measurement conditions. A method is selected according to the specific objective, not a blanket statement about the entire property. The investigation area and volume described may also include lateral working areas and individual additional ground intervention points. Record which ground or starting level the depth information refers to. If an area has been filled or excavated since an earlier investigation, provide the available details of its condition then and now. Specialist planning can then compare the documented scope of findings with the new construction task on a traceable basis.

Describe outstanding needs

A clearance plan records the specialist steps required and their limitations. Further investigations follow from comparing findings with plans. Explosive ordnance clearance during construction must not be proposed as a substitute solely because documents are missing; visual observation of excavated material alone is not equivalent evidence.

Next steps

From the property record to proposed construction

The specialist work required depends on the project and existing findings. Those involved agree the steps needed and their sequence for the respective construction phase.

01

Check the enquiry and documents

Collect existing reports, including plans, attachments and later additions. Ask about their source and identify incomplete documents. Initial specialist assessment builds on the documents actually available and a clearly identified list of missing items. An organised compilation with identifiable attachment references helps. For maps, include the complete extracts and legends available. If several people supplied documents, each source remains traceable. Identify responses outstanding and authorities already contacted so that the processing status is understandable. At initial contact, state the project purpose; specialist document assessment then assigns the documents to their task and actual scope of findings.

02

Describe the project

Show the proposed groundworks so that they can be compared with existing results. If a property purchase is being considered and the design remains open, identify the preliminary planning status. A later change may require another specialist comparison. Preparatory activities are also identified with their respective work areas. These may include preparation of a starting point, ground investigation or additional utility work. The description distinguishes which steps are already defined from those still being considered. For coordination, this information is linked with existing ordnance documents. Planning can then assign the knowledge needed to the next ground intervention actually proposed.

03

Involve the competent authorities

Clarify outstanding ordnance questions through the local procedure. Soil protection questions are addressed by the authorities responsible for them. Those involved coordinate their respective contributions; service scope, document handover and responses required are agreed explicitly.

04

Review historical evidence

Existing historical analyses are read to establish which areas, periods and sources they cover. Any supplementary research or aerial imagery analysis required is agreed with its specific question and carried out through the appropriate specialist or official procedure. Its result, together with earlier investigations and the current groundworks plans, informs further specialist assessment.

05

Plan the investigation

The investigation objective and suitable methods are defined on the basis of the findings. Depths of groundworks, existing utilities, accessible areas and local interference are considered. Scope, conditions for carrying out the work and documents required are described for each section. Coordination also identifies prerequisites still to be met before specialist work begins.

06

Carry out the specialist work agreed

Necessary investigations or agreed supervision are carried out on the basis agreed. The competent authority, permissible activities and area of work are established for this purpose. Actual measurement conditions and limitations are recorded. If ordnance is found, work in the affected area is stopped and the competent authorities are notified immediately.

07

Assess findings and their significance

Specialist planning assigns results and findings to the ground area and volume actually investigated. Limitations and outstanding areas remain separately identifiable. For additional suspected ordnance, the further procedure is clarified with the competent authorities. The assessment describes which findings support the next project decision and their spatial and specialist limitations.

08

Secure results for construction

Hand over to site management the documents actually applicable to its groundworks area. Investigated and uninvestigated areas and remaining limitations must remain identifiable. Additional groundworks are compared with the documented status before being carried out. At handover, the relevant plans and report revision are identified together. A contractor joining later receives the information relevant to its work area, including outstanding points. If the construction phase sequence changes, it is checked whether the handover previously planned still fits. The common project record documents this coordination clearly. The documented status provides the basis for deciding which construction phase can be prepared next and which supplementary tasks need clarification beforehand.

Documentation

Relate findings to the area investigated

Findings and their scope

A collection of different responses does not replace a report on the specific ordnance investigation carried out. What matters is which service is actually substantiated for which area and question. Also record which specialist decisions are possible only after more detailed construction planning. The stage of work then remains traceable even when those involved change.

Project responsibilities

FONTANA-EOD addresses the agreed technical ordnance question and documents the scope carried out. The economic assessment of a property purchase is undertaken separately; official decisions lie with the competent authorities. The BFR Kampfmittelräumung serve here as guidance for planning and documentation and apply directly to the federal properties specified in them. Local requirements and the specific task are considered during commissioning.

Working approach

How FONTANA-EOD works

Document the agreed specialist service clearly

FONTANA-EOD carries out the agreed specialist ordnance task according to the groundworks described and relevant document revision. Other property responses are assessed according to their respective purposes. Before work begins, accessible areas and results required are agreed. Changes in planning or site conditions are assessed before the affected work. The report documents the actual work and its limitations. Site management can then identify which ordnance findings are available and which questions in this or other disciplines still need separate clarification.

Discuss the investigation task

The task before the equipment

Method selection begins with the information needed for the ordnance question. Specialist planning considers the ground area and volume, expected objects and actual investigation conditions. Available equipment or a similarly named ground investigation on a neighbouring construction site is not sufficient as the sole basis. The investigation purpose and results scope required are justified on specialist grounds. Selection thus remains distinguishable from the other assessment tasks in a property record.

Keep limitations visible

Inaccessible areas and areas with limited interpretability are identified with their boundaries. Site management can assign the specialist ordnance work and prerequisites still required to them. A general statement of property area is supplemented with these outstanding tasks. Planning and construction teams agree when a suitable investigation will become possible. Results from another discipline do not implicitly change the documented scope. The ordnance knowledge actually available remains traceable for the next groundworks.

Clarify changes before intervening in the ground

A new location, additional depth or different construction methods are compared with existing results before the affected work. Specialist planning receives the changed design and its relationship to the previous investigation status. Its response and additions required are assigned to the ground area and volume affected. An unchanged property name or a new version of another specialist assessment does not replace this comparison. The outstanding ordnance question is addressed according to the groundworks actually changed.

Hand over the report and plan together

At handover, reports and associated plan attachments are provided with their source and purpose. An overview can list ordnance documents, contaminated land information and other specialist reports separately and point to outstanding tasks. It does not replace each documented investigation scope. When ownership, site management or contractors change, the specialist evidence remains assignable with its limitations. Further planning can then identify which evidence contributes to which decision and which question still needs separate clarification.

Understand the results

Use technical statements for the next decision

Read a response with the question it addresses

The date, area enquired about and subject of assessment help correct allocation. A document may provide useful findings for one question without covering other topics. Retain the original application or associated site plan too. The context helps those involved later assess the findings available. Also check whether a response addresses the entire area enquired about or only individual parts. An overview map and detailed investigation plan may serve different purposes. Specialist planning brings these documents together with their respective scales and explanations. If a location is ambiguous, it is clarified before use for a specific construction activity.

Understand investigation reports and their limitations

An early assessment may have provisional limitations

Documents can be reviewed and outstanding questions identified even before a design is complete. Specific investigation planning additionally requires sufficient groundworks information. Identify which assumptions remain provisional. As the design becomes more precise, these assumptions and further needs are compared again. State, for example, whether a basement, individual foundations or new connections are proposed at all. A sketch can explain the initial location context; dimensions still outstanding are identified. Specialist planning can then initially organise the sources available and details required. Once construction is more precisely defined, the proposed starting positions and depths are incorporated into investigation planning.

Understand the service scope
Design and findings

Documents for the next construction decision

Illustration: aerial photographs and maps on two screens and printed on a desk.

Historical evidence and the current design

Aerial photograph interpretation is related to the actual groundworks. Its purpose and geographical scope remain distinct from a technical investigation of the ground as it is today.

Understand aerial photograph assessment
Illustration: two people review plans and documents at a table beside a construction vehicle.

Specialist reports for site management

The findings, their locations and limitations are handed over together. This makes clear to those carrying out the work which area has been investigated and which task remains outstanding.

Assess investigation reports
Person in an orange high-visibility vest with a MALÅ survey cart on a meadow.
Person in a high-visibility vest in front of a marked construction area with piles of soil.
Questions from planning

Questions about property documents in Herten

Does contaminated land information replace ordnance investigation?

No. The documents concern different hazards and questions. Information on pollutant contamination does not establish that an ordnance investigation was carried out or which groundworks it covers.

Which documents should I request for a planned purchase?

Existing analyses, reports, maps and official responses with their date and spatial reference help specialist ordnance comparison. Missing attachments and procedures still outstanding should be identifiable. Whether further information is needed, and what kind, must be clarified for the specific project.

Must a previously developed property be investigated again?

Not solely because it is being developed again. First, existing evidence and the new groundworks plans are compared. This establishes which questions are already answered and where further clarification or investigation needs exist.

Can I start specialist planning before the construction design is complete?

Existing documents can already be reviewed and organised by their findings. A specific investigation task, however, needs reliable details of areas, depths and construction method. Provisional assumptions must be recorded as such and later compared with the actual plans.

What applies if a suspicious object is found in the ground?

Stop the affected work and leave the object untouched. Move away, keep other people away and notify the police immediately by calling 110. Follow the instructions of the responsible emergency services.

How do missing documents affect effort and costs?

They are requested specifically and identified as missing evidence until received. A shortened summary does not replace the complete findings and their spatial reference. Additional research, allocation of older plans or a supplementary investigation required may change the service scope. A quotation therefore also considers investigation area and depth, the method selected, accessibility, interference and construction phases. Known gaps and outstanding decisions are clearly recorded in the service description.

Which details help where construction plans remain provisional?

The intended use, existing designs and groundworks already known. Areas or depths still outstanding are explicitly identified as provisional.

What should a common document overview contain?

The subject of assessment, area, revision and result of each document, together with outstanding questions. Information on contaminated land, ground conditions and ordnance remains separately identifiable.

Project enquiry

Prepare the first technical discussion

Include existing responses

Send complete documents and maps, including known limitations.

Identify the planning status

State the use, proposed groundworks and information still provisional.

GPR on a construction site
Project enquiry

Have your project assessed

Whether historical aerial photograph analysis, explosive ordnance surveying, surface surveying using GPR, magnetometry or TDEM, deep-ground surveys, downhole surveys, excavation supervision, area clearance or ordnance recovery is needed depends on the location, ground disturbance, depth, ground and existing documents. An early ordnance assessment provides clarity for tendering, programming, occupational safety and construction.

FONTANA-EOD combines its Section 7 SprengG licence, specialists holding Section 20 SprengG certificates of competence, suitable survey and clearance methods, and traceable documentation. Send the site plan, depth of ground disturbance, construction phase and existing documents for an initial technical assessment.

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