Technical map view of SGD Nord in Rhineland-Palatinate marking Koblenz as a location for explosive ordnance assessment and surveying by FONTANA-EOD

Explosive ordnance surveys for your construction project in Neuwied

If your planning documents contain explosive ordnance guidance, what it means for the construction area must be clarified before groundworks. FONTANA-EOD supports clients, planning consultancies and site management in Neuwied with this assessment. We compare guidance with existing reports and planned interventions: which investigation exists, which documents are missing, and what still needs commissioning?

Planning-document version

Record the date and origin of documents.

Existing investigations

Distinguish reports from outstanding tasks.

Planned groundworks

Show areas and depths on the current plan.

Discuss planning guidance for your projectExplosive ordnance assessment in Rhineland-Palatinate
Assess the construction project

Derive a specific investigation question from planning guidance

For your project in Neuwied, planning guidance, official communications and specialist reports are read together with planned groundworks. We distinguish existing results from investigations still proposed. The outstanding question is assigned to the area affected so that a further commission can be prepared with traceable scope and appropriate prerequisites.

Project references

Selected project examples

Project site

Connect the site with the specific construction task

Schematic map with coat of arms, beside a tablet, hard hat, pen and notebook.

Consider the two marina documents together

In the preliminary drafts for development plan 350 Part II of December 2025, the explanatory statement has a different focus from the explosive ordnance guidance in the written provisions. For an affected project, both documents are read together with later responses and existing reports. Your own planning then identifies the findings required for the specific intervention and clarifies prerequisites still outstanding. Neuwied lies in the district of the same name in Rhineland-Palatinate, Germany. The enquiry identifies the specific project address, land parcels and construction section affected. For riverbank, harbour, rail, development or commercial projects, additional work areas and proposed use are described traceably. For projects outside the city, the actual municipality is identified. The locally competent body is clarified using this project location and the task ahead.

The overview of the SGD Nord provides further local information for the regional context of your construction project.

Rhineland-Palatinate
Local context

Distinguish planning guidance from investigation reports in Neuwied

Research planning documents and recognise their purpose

You can research planning documents for the property in Neuwied's geoportal. According to the city's notice, online information does not replace binding advice from the responsible specialist administration. For the explosive ordnance question, read carefully what a statement concerns: existing knowledge, an authority consultation still proposed or an investigation already performed.

The city of Neuwied documents bomb damage to the chancel of the Feldkirche in 1944 and its restoration in 1952. Such local evidence of wartime impacts receives a reference to the specific project location and historical investigation question. Significance for a present construction area is assessed using available sources and proposed groundworks. A local example describes neither investigation status nor a particular contamination of all properties.

For projects on riverbank, harbour, rail or commercial land, previous use, known ground changes and current intervention planning are brought together. The former Bundeswehr harbour described in the marina explanatory statement is usage information for that specific planning area. Periods and documents required from it for an investigation are determined by specialists. Later dismantling, fill, utilities or changed access remain identifiable as known conditions of the present construction task.

Read the marina guidance within the shared planning version

The preliminary drafts for development plan 350 Part II “Yachthafen Neuwied” of December 2025 contain different guidance: the explanatory statement identifies no known explosive ordnance and provides for consultation of the state service. The written provisions describe the planning area as an aerial bombing area and require systematic surveys there before construction and geotechnical investigation. Both statements belong to this planning version and must be read together. They establish no completed investigation and provide no information about other properties.

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 addresses the agreed investigation and documentation scope. Official requirements and decisions are clarified with the respective competent authorities. Documents required for a specific procedure depend on the site and project. The technical report describes the specialist service carried out with its spatial scope and limits of findings. Its applicability to further groundworks is checked against the specific intervention. Official decisions are made by the competent authorities.

The ADD describes the Rhineland-Palatinate explosive ordnance clearance service as supporting the locally responsible hazard-prevention authorities with specific explosive ordnance hazards. The responsible local regulatory authorities, or the police where delay would create danger, initiate official steps. General preventive investigations before construction, historical research and aerial photograph analyses are commissioned as private specialist services. Necessary official decisions on recovery, render-safe procedures or destruction remain with the competent authorities.

Investigation task

Which specialist task comes next?

Determine the method from the outstanding specialist question

The investigation commission identifies findings still required for the planned intervention. Existing knowledge and local measurement conditions inform method selection. A general survey recommendation does not automatically define equipment and scope. Suitability of the specific approach is justified traceably for the construction area concerned.

Assess historical documents

Make incomplete findings specific before execution

If a report does not cover an area or can assess it only to a limited extent, the remaining question is described. Additional needs are agreed using the proposed groundworks. A summary must not remove the limitation. The next service is agreed only with an identifiable spatial objective and appropriate prerequisites.

Compare investigation methods
Project types

Bring different statements in planning documents together

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

Identify each document version unambiguously

Designation, date and origin help assign planning documents correctly. A preliminary draft and later statement may reflect different processing stages. Therefore provide documents with their context. The version applicable to the specific project is clarified with the responsible body before individual statements are used in further planning.

Keep the explanatory statement, plan drawing, written provisions and supplementary communications as a coherent document set. Record which version is used for which spatial task and who can clarify an outstanding allocation. A newly received statement is added with its date and appendices. The statement relevant to construction planning thus remains available in full context. An isolated sentence removed from a plan is compared with the other requirements.

Document findings and their limitations
Illustration: two people review plans and documents at a table beside a construction vehicle.

Distinguish knowledge from proposed measures

A statement about known indications initially describes the knowledge recorded in that document. A recommended or requested investigation identifies a further task. Check whether its result now exists. The step actually addressed and specialist question still outstanding for forthcoming groundworks thus remain traceable.

For an outstanding task, identify who obtains the document required or commissions the specialist service. Once received, check which question is actually answered and which area the result concerns. A report still missing retains an outstanding status. If a statement merely recommends further investigation, its permissible scope is agreed separately. The project overview thus distinguishes existing knowledge, planned work and services already performed.

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

Relate the statement to the intervention area affected

Mark the area covered by guidance and where planned work lies. Add depth and type of intervention. A statement from a larger planning area does not become a result for every part without checking. Groundworks proposed outside the building also belong in the spatial comparison.

Alongside structural elements, show work areas, slopes, shoring, connecting trenches and other planned groundworks where part of the project. Depth information is linked to the relevant ground surface. For a changed planning option, ground volumes added and removed are identified. Existing report maps are compared spatially with these. An enquiry receives a specific area or starting position so that the specialists responsible can clearly define the findings still needed.

Specialist services and investigation tasks
Preparation

Prepare the scope and commission together

Establish what needs to be known before commissioning the work

Attach associated planning documents, existing responses and actual investigation reports with their respective status. The commission identifies findings still required for the proposed intervention: assessment of sources, investigation of specific areas or further work on an assessed finding. Current construction planning determines location and depth. Specialist work and result documents required can thus be described even where older planning guidance shows different processing stages.

Define the specialist task

Coordinate preparatory work with the investigation

Before execution, an investigation method proposed in documents needs genuinely suitable measurement conditions. Clarify access available, existing utilities, work areas to keep clear and coordination with other trades. Preparatory work required is determined for the location and specific method. Surface changes or additional ground interventions receive their own specialist planning and coordination with those responsible; merely mentioning an investigation in the plan does not replace this preparation.

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

What must be clarified before commissioning investigation

01

Compile current documents

Record each document's designation, date and origin. Ask the responsible body which version applies to your project. A preliminary draft, later statement and investigation report serve different tasks; individual sentences cannot be adopted without their context.

Ensure plans and text sections can be retrieved under the same designation in the project file. Extracts supplied remain linked to the complete document. For an enquiry, identify the property affected, document version and disputed statement. Responses are passed on with the plan version used. Addressing an explosive ordnance question and establishing the relevant planning-law status retain their respective responsible contacts and own purpose.

02

Mark the area on the plan

Show where groundworks are proposed and compare that area with the area the guidance concerns. A statement about the neighbouring property does not answer the question for your construction area. Work areas outside the building also belong in this comparison.

03

Existing and missing reports

Check whether an announced statement or requested report now exists. Recommending investigation does not mean it has already occurred. Record documents available and those still to be obtained.

For an outstanding investigation, describe the question required with location, intervention depth and proposed construction condition. Available results are assigned with their actual service scope. Missing appendices or unclear elevation references are requested specifically from the issuer. Documents supplied later are compared again with the current construction plan. It thus remains clear whether existing findings suit the groundworks now imminent or a specific addition is needed.

04

Describe the forthcoming construction work

Is the decision about choosing a planning option, an imminent investigation or preparation of specific construction work? Describe the decision ahead. The investigation commission must fit it and identify the outstanding question.

Identify the next step proposed so that it defines a specific specialist task. An excavation may require different investigation volumes from individual utility crossings or borehole points. The quotation describes areas to be addressed and access and preparatory work assumed for them. If parts of planning remain open, they are marked as options or outstanding information. The agreed investigation is prepared according to findings actually required and their specialist limits.

Project documents

Documents that establish the next step

Keep complete documents at result handover

Pass on reports with their maps and appendices. Link them with the respective commission and plan version. Official communications remain identifiable as separate documents. Site management needs this context to assign answered questions and conditions still applicable reliably to the next work step.

The results report and plan appendices identify investigated areas, relevant depths and the elevation reference used. Limited measurability or areas not addressed also remain traceable. For execution by section, documents are assigned to each section. Subsequent specialists receive the coherent document set and outstanding tasks. After clearance work, the clearance record, stating scope, results and remaining limits, is assigned to the section actually addressed and associated plan version. Investigation or adjustment needed for the next intervention is agreed with the body actually concerned.

Track statements still missing visibly

Mark documents requested and identify the body expected to supply them. On receipt, their content and area reference are compared with ongoing planning. An earlier announcement is thus not inadvertently treated as a result. Outstanding specialist tasks remain identifiable until actually clarified.

Assign an enquiry a specific recipient and record the document version used. A later answer is connected with its original purpose and current construction planning. If the proposed area changes in the meantime, this is communicated in further work. Site management can identify answers already usable and tasks still requiring supplementation. If participants change, this information is passed on with complete original documents.

Construction sequence

Coordinate investigation and construction sections

Bring decisive documents together before commissioning

Place the current intervention plan alongside local planning guidance, statements and existing specialist reports. Mark outstanding or apparently contradictory information. The investigation still required can be determined on this basis. The commission remains related to the specific specialist question rather than adopting a blanket statement from another planning context.

Coordinate the construction phase with us

Update planning with the new status after results

Assign the service performed to the area affected and proposed groundworks. The project overview is updated with answered questions and remaining limits. Earlier guidance remains traceable with its status at that time. The next work step can thus build on knowledge actually achieved.

Coordinate the construction phase with us
Method selection

Select methods according to the task and survey conditions

Historical records and aerial photographs

For historical assessment, planning guidance is combined with available aerial photographs and old records for the area affected. Photographic period, spatial coverage and limits of findings must fit the question. The absence of a recognisable finding in an analysis and an actually investigated ground area remain different types of knowledge. Present intervention planning determines which additional specialist needs must be clarified. Historical sources support this planning but document neither measurement of the present ground nor every later task.

Understand aerial photograph assessment

Magnetometric survey

Magnetometry selection is justified for the magnetic question in the ground volume required. Existing installations, fences or utilities may affect measurement signals and interpretation. Expected objects, ground conditions and accessible areas are therefore considered before execution. Results document specialist assessment and possible further clarification steps. An anomaly's strength alone establishes neither a particular object nor that it is explosive ordnance. Magnetometry measures the magnetic field passively. The magnetic effect of the target object is decisive; electrical conductivity alone does not establish its detectability by this method.

Understand the scope of magnetometry

Electromagnetic methods

An electromagnetic investigation is checked for suitability for the metallic objects sought and actual measurement conditions. Interfering installations, accessible work areas and findings required are included in planning. After execution, results receive positional reference and information about conditions. It remains clear which part of a proposed investigation was performed and what supplementation may be technically necessary. Method selection follows this task rather than merely equipment availability. In transient electromagnetic methods, TDEM, the time-dependent electromagnetic response of conductive objects is evaluated. The method is selected according to the investigation objective and actual measurement conditions.

Understand electromagnetic surveying

Ground-penetrating radar

For ground-penetrating radar investigation, the purpose must be defined in the context of present planning. Interpretable structures and reflections also depend on ground conditions, moisture and existing installations. Before a dataset produced for other construction questions is used for the explosive ordnance question, its actual scope of findings is checked. The report identifies interpretation and limits. An anomaly does not automatically identify explosive ordnance; unremarkable data establish neither arbitrary depths nor work areas extending spatially beyond them.

GPR and limitations

Deep-ground and downhole surveys

If planning guidance identifies investigation before deep interventions, its required scope is determined using actual construction geometry. What surface measurement can establish and whether deep-ground or borehole surveys are needed must be assessed. Starting positions, depths, layout and existing utilities belong in specialist planning alongside suitable investigation access. A general depth figure or standard scheme is insufficient. The subsequent report identifies ground volumes actually addressed and the method used.

Prepare deep interventions

Survey during construction

For areas where necessary advance investigation cannot be completed, specialists assess the suitability of an approach during construction. Planning determines the construction phase concerned, investigation and interpretation steps and communication of new findings. Announced supervision thereby becomes a specific workflow. Merely observing excavation does not replace the survey required. Site management needs the status actually achieved and outstanding areas for subsequent work.

Agree the approach during construction
Technical assessment

From existing documents to the investigation required

Read historical analysis with its appendices

A historical aerial photograph analysis is assessed for the specific investigation area. Read the sources used and limits of findings. General planning guidance does not replace analysis; the absence of a reported find does not establish completed investigation either. Where historical knowledge gaps remain, a suitable specialist company carries out research and aerial photograph analysis required. Results receive a reference to the areas and interventions proposed today. Limitations of usable sources remain identifiable in assessment and documentation.

Define the measurement task and conditions

For a survey, the investigation objective, planned interventions and local conditions must be known. Describe access, installations and possible interference. The method is chosen according to suitability for this task. Merely naming it in another document is insufficient. Investigation objective, intervention depth and target objects are compared with ground structure, existing utilities and interference. Magnetometry records magnetic anomalies; active electromagnetic methods and ground-penetrating radar each have different operating conditions. For ground-penetrating radar, propagation conditions in the ground are decisive. For deeper interventions, the deep-ground or borehole survey required is planned by specialists. Borehole clearance certification or associated technical evidence remains assigned to the ground volume actually investigated and its documented scope.

Retain limitations in the report

If an area is insufficiently interpretable, this limitation must remain identifiable even after the report is passed on. The clearance documentation applies to the service scope described. If results are summarised, uninterpretable or uninvestigated areas must remain identifiable. A summary must not extend the report to blanket findings about the whole project.

Next steps

Bring commissioning documents together

01

Collect plan versions and reports

Record planning documents, official responses and investigation reports with their dates. At first contact, provide the project location, construction task and clarification sought. Existing documents are checked for plan version, spatial reference, completeness and gaps.

02

Assign guidance to the area

Compare described areas with the current groundworks plan. Where historical questions remain open, a suitable specialist company carries out research and aerial photograph analysis required. The method is chosen according to the knowledge sought, intervention depth, ground structure, utilities, interfering objects and actual measurement conditions.

03

Clarify missing information

Request outstanding documents and agree further investigation needs. The specialist commission, access, preparatory work and necessary protective measures are clarified with responsible participants before affected ground interventions. This also includes interventions for preparatory geotechnical investigation where proposed.

04

Perform the agreed investigation

The agreed survey or proper specialist investigation accompanying construction is carried out within the permissible specialist commission on the coordinated areas and points. Survey data and observations receive a traceable spatial and elevation reference. 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

Hand over results to site management

Incorporate new reports with plans and limitations into construction preparation. The responsible participants use the associated documents to decide on additions or adjustments required for the next specific ground intervention.

Documentation

Pass on reports and official responses together

Findings and their scope

Site management must be able to identify the investigation performed and tasks outstanding. Pass on the complete report with its plans. Official communications are retained as separate documents. Results, conditions and remaining questions can then be assigned to the correct area.

Project responsibilities

ADD distinguishes support by the state service in specific hazards from preventive private investigations. FONTANA-EOD provides the commissioned specialist service and documents its scope. Official requirements and decisions are clarified with responsible bodies. The BFR KMR apply directly to construction and operation of federal properties; outside that scope, their specialist principles provide guidance alongside local requirements.

Working approach

How FONTANA-EOD works

Document the agreed specialist service clearly

FONTANA-EOD bases the agreed investigation on the clarified document set and described construction task. Specialist work performed is documented with its results, local conditions and limits. Further steps proposed remain distinguishable from the investigation status achieved. If planning or actual accessibility changes, the agreed scope is compared before the work affected. The subsequent construction decision thus receives a traceable basis of existing knowledge and tasks still required.

Discuss the investigation task

The task before the equipment

The outstanding specialist question for the specific intervention is first determined from planning guidance. A method already mentioned is checked for suitability for this task and local conditions. The method at an adjoining site or available equipment does not replace this specialist allocation.

Keep limitations visible

Documentation shows areas actually investigated and where access or interpretation was limited. Work still proposed remains identifiable as outstanding tasks. Planners and site management can thus connect it with prerequisites required and each construction section.

Clarify changes before intervening in the ground

New work areas, changed depths or different construction methods are marked in current planning before the intervention affected. Specialist assessment compares this change with existing reports and the agreed commission. The previous plan name or an earlier announcement does not describe additional investigation needs.

Hand over the report and plan together

The planning explanatory statement, provisions, later responses and investigation results actually available are kept together with their versions. The report and location appendices establish each scope of findings. A short handover identifies status achieved and outstanding tasks; the complete basis remains available even if site management or specialist company changes.

Understand the results

Use technical statements for the next decision

An absent indication is not yet investigation evidence

A statement that a body has no particular knowledge describes its respective state of knowledge. A technical investigation needs its own documentation. Planning assesses both types of information separately. Only comparison with the actual project shows which further specialist clarification may be required.

Understand investigation reports and their limitations

Summaries must retain spatial scope

A short project overview may make reports easier to find but must not extend their limits. Identify affected areas and refer to complete documents. Limited or missing results remain visible. Site management can thus interpret a shortened communication correctly without deriving broader findings from it.

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 planning guidance and explosive ordnance investigation in Neuwied

Does “no explosive ordnance known” mean no investigation is required?

The wording describes the knowledge recorded in the respective document. It does not in itself establish a technical investigation. Read the other guidance too and clarify whether further investigations are required using the planned groundworks.

What findings do the marina documents permit?

The preliminary drafts cited date from December 2025. The explanatory statement and written provisions address different aspects of the explosive ordnance question. Their information must be read together; it establishes neither the present legally binding status nor the investigation status of other properties.

What should be attached to a project enquiry?

Send planning documents, official statements and existing investigation reports with appendices. Add the current groundworks plan and identify documents still missing. Describe the work to be prepared next.

Does a development plan already determine suitable measurement equipment?

No. Planning guidance does not replace specialist method selection. The investigation objective and local conditions are decisive. The service required, its prerequisites and limits of findings are defined in the commission.

Where should a possible explosive ordnance find be reported?

ADD identifies the competent regulatory office or, in urgent danger, the police. Stop affected work, keep your distance and do not touch or move the object. For an urgent find, notify the police on 110; a contact form is unsuitable.

How is an investigation that has only been announced recorded in the overview?

As a proposed or outstanding task until the actual result exists and can be assigned to the area concerned.

What helps with differently worded planning guidance?

Compiling the complete documents with their versions and context and clarifying their significance for your own project with the responsible participants.

Which cost factors matter for further investigations?

Work involved depends on usable preliminary documents, preparatory work and access required, area size or number and depth of investigation points, suitable method, measurement conditions, interpretation and documentation. Identify findings still outstanding in the existing documents and the specific intervention requiring them. The precautionary specialist service required is offered with its permissible scope; other official or specialist tasks remain separately assigned.

Project enquiry

Assess planning guidance for your construction project in Neuwied

Bring versions and responses together

Attach planning guidance and specialist reports with dates and associated appendices. State the project address, land parcels and current processing status. The relevant intervention plan is combined with existing planning guidance, statements and specialist reports. Mark outstanding documents and the body expected to provide them. Identify the next planned work step and knowledge required for it. FONTANA-EOD discusses outstanding questions and the scope of an investigation required with you. Responses supplied later remain linked to their purpose and area affected.

Identify the next decision

Describe groundworks and specialist findings still needed for them. Show the location, depths and elevation reference of the excavation, route or borehole points on the current plan. State planned construction periods, known existing utilities, installations and access limitations. Where several options exist, the ground volumes actually affected are shown distinguishably. For preparatory work, investigation and protection needs required are clarified before ground interventions. Changed execution is supplied with the new plan version and specific areas added.

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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