Technical map view of the Münster administrative district with Münster marked for explosive ordnance investigation and surveys by FONTANA-EOD

Ordnance investigation in Bocholt for individual construction areas

An access road already built does not resolve the ordnance question for the neighbouring building plot. For projects in Bocholt, FONTANA-EOD supports clients, planning offices and site management in comparing the evidence: which works were investigated, which results are available, and which area is needed for the next construction phase?

Planning area

Read the spatial scope of the notes.

Construction area

Define earthworks separately for each section.

Documentation

Hand over complete results to those involved next.

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

Plan infrastructure and plot development with their own evidence

For your construction project in Bocholt, infrastructure works, development of the building plot and supplementary groundworks are assigned spatially. We compare existing findings with the proposed construction work. This keeps it clear which parts of the site are already documented and where new groundworks require further specialist clarification.

Project site

Connect the site with the specific construction task

Schematic map with the North Rhine-Westphalia coat of arms, beside a tablet, safety helmet and notebook.

Clarify the Bocholt procedure for your own project

The environmental report for industrial park extension 8-21 identifies the Public Order Department of the town of Bocholt and the Arnsberg explosive ordnance disposal service for the areas addressed there. The notes relate to this planning area. For your project, the requirements and existing findings applicable to the specific proposed groundworks are clarified with the local public order authority. Bocholt is a town in the Borken district, within the Münster administrative district, in North Rhine-Westphalia. For a project in Mussum or another part of the town, state the specific project address and work areas affected. Documents concerning a larger infrastructure development area are related to the actual groundworks. For projects outside the town, the relevant municipal point of contact is clarified separately.

North Rhine-Westphalia
Local context

A note in a development plan is not an investigation report

Assess the industrial park extension notes in their specific context

The explanatory statement for Bocholt development plan 8-21 for the industrial park extension is dated February 2025 and concerns a supplementary procedure. Section 20 describes indications from an aerial imagery analysis and refers to an ordnance note for the entire planning area. The land-use breakdown distinguishes, among other things, commercial and industrial areas, roads and stormwater retention areas.

Do not transfer infrastructure results to every building plot

This planning document records neither the present investigation status of every part of the site nor clearance for an individual construction project. Anyone planning to build there needs the current documents relevant to their own work. For other properties in Bocholt, their own findings and official requirements need clarification; findings from a particular planning area cannot be transferred.

The Bocholt town encyclopaedia describes the destruction of St.-Agnes-Hospital in a bombing raid in March 1945 and its subsequent reconstruction. For a present-day project, historical findings are connected with the specific project area. Later construction work, deposited fill and changed ground surfaces are assessed using existing documents. General local history and a note from a particular land-use planning procedure remain distinguishable from actual investigation results for your own work area. Further work is based on the findings documented in each case and the groundworks planned.

Working together

Allocate tasks within the construction project

Client and operator

The client describes the project and provides the available project documents. The operator adds requirements relating to use, access and scheduling. The participants agree their respective tasks and decision-making responsibilities. A coordinating contact person brings the project information together. Before an appointment, it is recorded clearly which information is missing, who will obtain it and which decision the result is intended to support.

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 explosive ordnance specialist company carries out the agreed permissible investigation and documentation scope. Authority requirements and decisions are clarified with the respective competent bodies. The documents needed for a specific procedure depend on the site and project. The technical report documents the specialist service performed, including areas, depths and limits of its conclusions. Its applicability to further groundworks is checked against the specific intervention.

The local public order authority and the state explosive ordnance disposal service perform the official duties. The environmental report identifies the Public Order Department of the town of Bocholt for coordination there. For the administrative district of Münster, the Westfalen-Lippe explosive ordnance disposal service at the Arnsberg District Government is responsible. The applications required and subsequent specialist tasks are coordinated through the municipal point of contact. Private services are agreed with their specific permissible scope.

Investigation task

Which specialist task comes next?

Relate method selection to the next groundworks

A larger development area may have different ground and access conditions. A suitable investigation is therefore planned according to the specific part of the site and the question addressed. Existing results are taken into account. A method previously selected for other sections is not justified for the next groundworks solely because they share the same development area name.

Assess historical documents

Coordinate the service scope and official duties

The private specialist service is checked against the conditions of the North Rhine-Westphalia procedure. The authorisations needed and the distinction from state duties are checked before an agreement. The commission identifies the areas actually to be investigated. A general note from land-use planning replaces neither this coordination nor the documentation required for the specific construction work.

Compare investigation methods
Project types

Distinguish shared infrastructure from individual construction areas

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

Show your own construction phase precisely

Identify which work belongs to the current commission and which is being prepared by others. Property boundaries and technical work areas must remain distinguishable. A connection can cross several areas of responsibility. Specialist assessment therefore considers the actual groundworks area and existing findings, rather than merely the contractual name of a construction lot.

Show the transition between shared infrastructure works and work on the individual plot using the same spatial reference. Identify the plan revision relevant to the current commission. Where several construction lots are involved, identify their respective work areas and handovers still outstanding. Specialist planning can then identify which existing findings belong to the ground area and volume affected. Before preparatory or further groundworks, the investigations and protective measures required are clarified. The contractor receives the documents needed for its area.

Coordinate the sequence and tasks
Illustration: two people with a tablet beside a drawing table and a survey trolley on a construction site.

Include interfaces with existing infrastructure

Show connection points with their planned location and depth. Existing infrastructure reports may provide important information, but must match spatially. Areas between two documented parts of the site are also clearly shown. A gap receives its own clarification and is not treated as investigated merely because it is close to a road already treated.

Show connection excavations and working areas on both sides of the interface. For a new or deeper connection, describe the difference from the earlier infrastructure works. Existing results plans are compared with this route. Boundary areas that cannot be clearly assigned remain identifiable as an outstanding task. The addition required is related to the specific information missing and agreed with its permissible scope. The physical connection of a utility and coverage by a specialist investigation are assessed separately.

Specialist services and investigation tasks
Illustration: a person wearing a hard hat and holding a tablet beside a cordoned-off excavation with an excavator.

Include associated groundworks

Stormwater retention, additional utilities or site establishment areas may require their own groundworks. Describe this work where it forms part of the current project. Its scope is compared with the available evidence. Assessment of a building foundation does not automatically answer every question concerning the associated infrastructure and other land use.

For proposed retention works or an additional shaft, state the actual location and depth. A new access route is shown with the groundworks proposed for it. For existing facilities, communicate the known installations. Specialist planning checks which results relate to these work areas and where further clarification is needed. Changes since the original infrastructure works are identified with their plan revision. Those involved receive an understandable description of the conditions relevant to their commission.

Provide specialist supervision of excavation
Preparation

Prepare the scope and commission together

Historical preliminary assessment, technical investigation and specialist work during construction answer different project questions. The permissible private activity under the specific North Rhine-Westphalia procedure is clarified with the information objective and necessary authority involvement before an agreement.

Establish what needs to be known before commissioning the work

For the Bocholt commission, your own groundworks are distinguished from infrastructure works already carried out. The road, plot connection and later construction area are described by location, depth and construction method. Existing ordnance documents are assigned to the areas actually treated. This establishes whether documents first need assessment, further ground areas and volumes need investigation, or previously assessed findings require work. The permissible commissioned specialist service and results required receive this scope. A report on the road corridor is not adopted as evidence for the adjoining plot without a spatial comparison.

Define the specialist task

Coordinate preparatory work with the investigation

Before work begins, the survey areas actually accessible, known utilities and interfaces between infrastructure works and plot development are clarified. An established access route initially demonstrates accessibility, not the state of ordnance knowledge for the construction area. The preparatory work needed depends on the method and site. Additional breaking of the surface or other interventions to provide investigation access are professionally prepared with those responsible and are not undertaken independently. Where work is commissioned separately, the respective prerequisites and work areas remain traceable.

Clarify preparatory work in the programme

Agree a clear scope and schedule

The scope of private specialist work is agreed using the project documents, actual execution conditions and permissible activity. Necessary preparatory works, investigation, evaluation and documentation are described transparently. Costs and dates are related to these prerequisites and the required coordination. Changes to the construction plans are checked against the agreed contract before work is extended.

Discuss the scope and schedule
Tasks at the site

Which area belongs to which construction phase?

01

Separate infrastructure works from plot development

On a common plan, identify public or shared works and subsequent construction work on the individual plot. An investigation for a sewer trench may have different boundaries from one for a hall foundation. A shared project name does not remove these differences. The areas and depths actually documented are decisive.

02

Show connections through to the handover point

A building service connection can link a road corridor already investigated with a plot area requiring a different assessment. Draw the full route, including shafts and connection excavations. For each section, it should be clear which evidence is being used. A property boundary does not automatically create a handover point whose specialist status has been clarified.

03

Include ancillary areas involving groundworks

If earthworks are proposed for stormwater retention, ground shaping or site access routes, include them in the project description. They may lie outside the eventual building footprint. A storage area without ground alteration is assessed differently from an area that needs new excavation; the actual construction work determines assessment needs.

04

Mark the boundaries of the previous investigation

Transfer documented investigation boundaries into the current plans without enlarging them. Identify areas for which documents are missing or limitations are stated. This enables focused questions about outstanding issues. Colouring an entire plot would be misleading if the report actually covers only a narrow strip.

Project documents

Documents that establish the next step

Organise results clearly by part of the site

An overview connects existing reports with the areas investigated in each case. Responsibility, date and limitations are retained. When documents are passed to a new property owner, the complete attachments are included. A shared project name replaces neither evidence for the specific part of the site nor comparison with the construction work now proposed.

Assign each results report its associated map and the reason for the investigation at that time. If only an extract is available, request missing legends and attachments from the issuer. A later purchaser receives these documents in full. The new construction task is compared with the areas and depths actually investigated. Previous elevation references remain assigned to the ground surface used at that time. Changes in ground or construction conditions are considered when assessing applicability; specialist services still required are described for the specific additional needs.

Document handovers between those involved

At the transition from infrastructure works to plot development, record which results are being adopted and which questions remain unresolved. The current plans provide the reference for further steps. Different depths or missing boundary areas are identified. The next commission can then build on substantiated findings without extending their scope.

Record which revision was used for each handover and which areas remain unresolved. A supplementary report receives a traceable link to previous results. Where work proceeds in sections, this allocation remains identifiable even after a property is subdivided. Site management receives the complete results package and outstanding specialist tasks for its work area. After clearance work has been carried out, the clearance record, including its scope, results and remaining limitations, is assigned to the part of the site actually treated and the associated project plan. Organisational section boundaries and actual investigation boundaries are recorded separately before further groundworks rely on existing results.

Construction sequence

Coordinate investigation and construction sections

Bring together existing infrastructure documents

Request complete results reports with maps and attachments for the parts of the site affected. Include the current design and an overview of supplementary groundworks. Missing documents are identified specifically. The next coordination can then distinguish findings already available from areas requiring further specialist work.

State which part of the infrastructure has actually been built and which work is still proposed. Existing reports are assigned to the section investigated in each case. An overview identifies the relevant maps, stages of work and missing components. The new design describes additional working areas, deeper individual structures and changed connections. Coordination can then specify the findings needed for the next groundworks. Missing details are requested specifically from the responsible issuers or specialists involved.

Coordinate the construction phase with us

Compare evidence before moving to plot development

Planned work is compared with the documented infrastructure scope. New depths, connection points and additional areas are considered separately. The next construction step receives an appropriate results package. Unresolved areas remain identifiable even if other sections of the development area are already completed or in use.

Also describe temporary construction stages and advance exploratory openings where these involve groundworks. A relocated excavation or additional connection is shown on the current plan. Specialist planning assesses the effect on the proposed investigation and its findings. Binding and superseded revisions remain distinguishable. Additions still required are agreed for the affected areas. Contractors working in each section receive the relevant documents and responses before carrying out work that relies on them.

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. Images, their information value and area boundaries are linked with the proposed construction area. The absence of a visible finding is not a technical investigation of the ground as it is today. Other existing findings are included. A note concerning a larger planning area is read within its scope. For the individual construction project, its own documents and the ground areas and volumes required are assigned, rather than treating a statement from infrastructure planning as an investigation result already documented.

Understand aerial photograph assessment

Magnetometric survey

Magnetometric methods detect magnetic anomalies. Suitability is assessed according to expected objects, ground conditions and the investigation area and volume required. Utilities, fences and existing structures can influence interpretation. Actual coverage is distinguished between the road corridor, connection and construction area. Signal strength alone does not identify ordnance. Measurement, assessment and further investigation are connected with the specific specialist task. Magnetometry measures the magnetic field passively. What matters is the magnetic effect of the object being sought; electrical conductivity alone does not make it detectable by this method.

Understand the scope of magnetometry

Electromagnetic methods

Electromagnetic investigations may be suitable for certain metallic target objects and site conditions. Selection considers the information required, accessible survey areas and interfering installations, rather than equipment availability alone. Results are documented with their location and actual investigation conditions. Any addition needed follows from assessment and the ground area and volume still unresolved for the property. Transient electromagnetic methods, or TDEM, evaluate the electromagnetic response of conductive objects over time. The method is selected according to the investigation objective and actual measurement conditions.

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 is not automatically ordnance; an unremarkable area does not confirm conditions at any arbitrary depth. Specialist interpretation and limitations are documented with the commission. An existing recording from the road corridor is read according to its purpose and coverage. Its proximity to the connection or future foundations does not in itself confirm suitable investigation of these additional ground areas and volumes.

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. Positions, depths, elevation references, borehole layout and known utilities are prepared for this purpose. The provision of suitable investigation access is also professionally planned. A standard grid or general depth figure does not replace this task. Results remain tied to the areas investigated and the method used. Information from infrastructure works is compared with the elevations and foundation positions of your own construction project.

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 to the groundworks actually proposed. Visual observation of excavated material alone does not replace a necessary ordnance survey. Site management receives an allocation of specialist work and unresolved areas within the sequence. Supervision of infrastructure works is documented with its actual spatial coverage and scope. The further specialist work needed for later plot development is assessed.

Agree the approach during construction
Technical assessment

Derive specific investigation needs from development area documents

Assign preliminary information to the correct area

A historical aerial photograph analysis may have been prepared for a larger area. For the construction project, it must be checked which indications concern your own work area and which further documents are available. A planning note does not replace this allocation. Equally, an earlier investigation of other areas must not be read as an all-clear for the entire development area.

If assessment of existing documents identifies outstanding historical questions, the research required is directed at them. Any official aerial imagery analysis needed is initiated through the local procedure via the municipal point of contact and carried out by the responsible state service. The findings are compared with present-day groundworks areas and subsequent ground changes. The measurement conditions actually present are considered for the technical investigation. Specialist work already carried out and historical indications remain documented with their respective areas and scope of findings.

Align the survey task with the construction plan

The need for an ordnance survey follows from the findings and proposed groundworks. Even neighbouring construction areas can differ in accessibility, existing structures and interference. Selection of a method therefore needs specialist justification. The scope of earlier infrastructure works does not automatically set the standard for later foundations. Method selection considers the investigation objective, depth of groundworks, ground composition, utilities, interfering objects and actual measurability. Any additions required are agreed for the specific task with their permissible scope.

Retain results for further construction phases

A clearance plan can describe the measures required and their sequence. Results already available are considered with their original area and depth references. For subsequent construction phases, it must remain clear which tasks are complete and which prerequisites are still missing. Transfer of a property alone does not replace this specialist assessment. The results documentation records the actual stage of work.

A permissible specialist task during construction is agreed with the affected work areas and existing findings. The work carried out, measurements and observations are assigned spatially. Uninvestigated areas and further investigations required remain identified. The technical report documents the service carried out, its assessment and limitations. Visual observation alone is not an equivalent substitute for professional explosive ordnance clearance during construction. For subsequent construction phases, the applicability of results is checked against the specific groundworks.

Next steps

Hand over evidence between infrastructure works and new construction

01

Request the existing reports

Collect the complete investigation results, including maps and attachments. Do not merely ask whether an assessment took place at some point, but for which work it was commissioned. Record if a report is not yet available. Oral information does not replace traceable allocation to the construction plan. Existing documents are checked for currency, spatial relevance and gaps. Where historical findings are missing, the research required is carried out; any official aerial imagery analysis needed is initiated through the local procedure via the municipal point of contact with the responsible state service.

02

Describe the next groundworks specifically

Define areas, structures and depths for the forthcoming construction phase. Where relevant, these include individual foundation points alongside excavation over a wider area. If the plans remain undecided, this should be apparent during coordination. An investigation can then be directed at its intended purpose without anticipating a later, larger scope. A suitable investigation method is chosen according to the information sought, depth of groundworks, ground composition, existing utilities, interfering objects and measurement conditions. Permissible commissioning and outstanding prerequisites for carrying out the work are agreed with those responsible.

03

Clarify unresolved areas before work starts

Compare the planned earthworks with the documented results and official requirements. If the boundaries do not match, determine the additional clarification needed before the relevant groundworks. This need not mean the same measure everywhere. The specialist decision depends on the findings and the evidence actually required.

04

Perform the agreed investigation

The survey or investigation during construction appointed under North Rhine-Westphalia's requirements is carried out in the agreed areas and points. Measurement data and observations receive traceable location and elevation references. Uninvestigated areas, restricted access and relevant interference are recorded.

05

Assess survey data and findings

The collected data and findings are evaluated against the investigation objective. The technical assessment considers interference, the areas reached and remaining limits of the conclusions. It establishes which further investigation or work is needed for the planned groundworks.

06

Bring the report and plan appendices together

The report and plan attachments document the specialist works performed and their assessment. Worked areas, investigation depths, the relevant ground surface and limitations remain assigned. Reused older results and newly investigated areas are recorded distinctly. The agreed recipients receive the related documents together.

07

Document the handover with the plan revision

Pass the report, spatial reference and limitations together to site management and the other responsible parties. Note which drawing the assessment relates to. If structures are later relocated or deepened, a focused check can establish whether existing documents cover the change or need supplementation.

Documentation

Evidence must retain its spatial reference

Findings and their scope

The result includes the areas treated, depths investigated and documented investigation limitations. A summary must not replace these details with a blanket statement about the entire commercial development area. The original report is important for later owners or contractors so that its scope remains traceable even after a property subdivision or change to the plans.

Project responsibilities

Official hazard prevention and a commissioned specialist service remain different tasks. FONTANA-EOD carries out the agreed permissible investigations and documentation. Official decisions are made by the competent authorities. The findings of the technical report remain tied to the documented specialist task, area, depth and recorded limitations; their applicability is checked against each subsequent ground intervention. The BFR Kampfmittelräumung provide a specialist basis for planning and presenting results. Their direct scope is federal property; for other projects, they serve as specialist guidance alongside local requirements.

Working approach

How FONTANA-EOD works

Document the agreed specialist service clearly

FONTANA-EOD carries out the agreed specialist task for the identified construction area in Bocholt and its associated groundworks. Existing infrastructure results are included with their limitations. Before work begins, accessible areas and the results required are agreed. Changes in planning or site conditions are assessed before the affected work. The report documents the work actually carried out and its limitations. Site management can identify which findings are available for the plot connection or new foundations and which further task remains outstanding.

Discuss the investigation task

The task before the equipment

Method selection begins with the information missing for the next construction phase. Specialist planning considers existing results, ground conditions and actual conditions on site. Available equipment or a similar investigation of the road corridor is not sufficient as the sole basis. Selection is justified for the ground area and volume required. The construction area receives its own traceable investigation scope even if infrastructure works and plot development share the same planning area or project name.

Keep limitations visible

Inaccessible areas and areas with limited interpretability are identified with their actual boundaries. Site management can assign outstanding specialist work and additions required to them. A general statement of the total serviced area does not replace this distinction. Planning and construction teams agree when a suitable investigation will become possible. A corridor already treated remains identifiable with its boundary on the results plan. The findings are not implicitly extended to adjoining construction areas or another connection.

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 identifiable change from the previous revision. Its response and any additions required are assigned to the ground area and volume affected. This also applies to a changed plot connection, additional shaft or relocated foundations. A road already completed or an ongoing project name does not replace comparison of this new work.

Hand over the report and plan together

At handover, reports and associated plan attachments are provided with the section actually treated. An overview can list results from infrastructure works, plot connections and the construction area with their respective limitations. It does not replace the documented investigation scope. At transitions between the infrastructure developer, client, planning team and contractor, the evidence for the individual groundworks remains traceable. Those involved next receive appropriate results and can identify additions still needing clarification before their further groundworks.

Understand the results

Use technical statements for the next decision

A development area contains different investigation scopes

Roads, utilities and individual plots may have been investigated at different times and for different tasks. The documented area of each result is decisive. Bringing the documents together makes these differences visible. A neighbouring section already in use does not in itself provide findings for your own construction area still being planned.

Understand investigation reports and their limitations

A connection point may form an unresolved boundary

The transition from an investigated road to the plot is assessed using the maps and planned depth. If the areas do not fully match, the gap remains a question in its own right. The physical connection of two installations does not automatically connect their evidence. The further step required is related to the actual groundworks.

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
Four people in orange high-visibility vests in front of two excavators on a construction site.
Person with a yellow survey cart on a footpath in front of a hedge.
Questions from planning

Questions about construction areas and investigation evidence in Bocholt

Does the note in development plan 8-21 constitute clearance?

No. The explanatory statement of February 2025 addresses indications for that planning area. It does not replace a current investigation report for your construction area. Which results are already available and which steps your project requires must be clarified separately.

Is an investigated access road sufficient for the neighbouring plot?

This depends on the documented investigation scope, not proximity. Check whether the report covers the proposed plot area and the depth required. A result for road or sewer works must not be transferred to foundations without this comparison.

What matters for a connection crossing several parts of the site?

Show the entire route with excavations, shafts and depths. Assign existing documents to each section and identify missing evidence. Different clients or owners do not alter the need for specialist clarification of the specific groundworks.

Which documents should be passed on when a property changes hands?

Complete reports with maps, plan revisions, investigation boundaries and limitations are helpful. A shortened statement about infrastructure works alone is insufficient for later construction planning. Those newly involved must be able to identify which work the result actually relates to. The new plans are compared with these findings.

How should I respond to possible ordnance?

Stop the affected work and leave the object where it is without disturbing it. Move away, keep other people away, and do not touch or move it. From a safe distance, call the police immediately on 110; the competent authorities determine what happens next.

Which cost factors matter for the individual construction area?

The effort depends on usable previous documents, preparatory work and access required, the area or number and depth of investigation points, a suitable method, measurement conditions, and interpretation and documentation. State whether existing infrastructure results cover the proposed work areas and which documents are still missing. Any specialist services still required are offered for the specific outstanding task with their permissible scope.

Is the area between two investigated parts of the site automatically covered?

No. The documented boundaries are compared with the proposed groundworks. An intervening area needs its own traceable assessment.

Why should additional rainwater facilities appear in the overview?

They may require their own groundworks affecting different areas or depths. These are compared with the existing findings relevant to them.

Project enquiry

Prepare the first technical discussion

Show parts of the site and connections

Show infrastructure works, plot development and supplementary groundworks clearly. For your Bocholt project, send the construction plan and existing results from earlier investigations. Identify the forthcoming section and any connections or ancillary areas involving groundworks. If infrastructure documents are missing, identify this gap too so that specialist clarification needs can be discussed openly. State the project address, plan revision and any file reference. The document overview identifies the original purpose of existing results. Show the areas and depths proposed for the current commission. Outstanding construction alternatives remain identifiable as such. The specialist enquiry then has a traceable connection with the next construction phase.

Hand over complete results

Include maps, attachments and boundaries of existing investigations. Show the associated work areas and intended recipients of results. Note known utilities, interfering objects and restrictions on access. Before preparatory or further groundworks, the investigations and protective measures required are clarified. For area clearance or recovery tasks, the scope required and permissible commissioning are agreed with the competent authority. Additional information remains linked to the common project revision.

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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