Project pathway
The quickest route to the right decision.
Explosive ordnance surveying in Böblingen
For part of the Flugfeld site, the development plan records explosive ordnance clearance already completed. FONTANA-EOD helps project owners, designers and construction managers in Böblingen compare the associated results with new groundworks and define the further specialist commission. Send the complete reports, their maps and the current ground disturbance plan with the required depths.
Assign existing results.
Compare today's design.
Address outstanding questions directly.
Assess the construction project
How are earlier clearance results used for new work in Böblingen?
Explosive ordnance assessment before construction in Böblingen connects complete existing documentation with the current site plan and ground disturbance depths. The areas covered, investigation objectives and results achieved must be clear. Usable earlier work is considered; additional services depend on outstanding questions. Reports on other contamination are included separately in construction planning for their own technical purpose.
Project site
Construction areas in Böblingen and their results documents
Use the Flugfeld written provisions as a starting point for the file
The written provisions for Flugfeld – Südlich Konrad-Zuse-Straße 6.0, dated 5 November 2007, record completed clearance and then address remediation of other contamination separately. The associated records are obtained for today's work. The specific ground disturbance is compared with their documented scope to establish the further specialist commission. Böblingen is listed in the official municipality directory as a Große Kreisstadt in the Böblingen district, Stuttgart administrative district, in Baden-Württemberg. Give the actual project location with land parcels and a site plan. Local contacts are identified for this area; for a site in another municipality, its authorities must be involved. The KMBD at Stuttgart Regional Council carries out state explosive ordnance duties statewide. Further locations are available in the regional overview.
Local context
Aerial warfare, Flugfeld and documented clearance
Relate the Flugfeld clearance note to its planning area
The written provisions for the Flugfeld – Südlich Konrad-Zuse-Straße 6.0 development plan, dated 5 November 2007, state that the explosive ordnance disposal service had confirmed the absence of explosive ordnance after clearance was completed. The plan then addresses remediation of other contamination separately. These details concern the identified planning area and must not be used as a current conclusion for all of Böblingen.
Böblingen was heavily bombed during the Second World War on the night of 7 to 8 October 1943. The City Archives' account of the air raid describes the extensive destruction of the area south of Marktstraße and damage to the city church and old town hall. The administrative registry and historical documents were also lost with the town hall. Historical investigation of a plot brings together available aerial photographs, other records and site plans. The later Flugfeld clearance note, by contrast, identifies a specific planning area and completed work. Both types of evidence are related to your own project with their respective locations and periods.
Compare earlier documentation with new ground disturbance
For a plot in an area already addressed, earlier clearance documentation is an important starting point. Its spatial boundaries and details of the investigation objective achieved are needed. Only comparison with the proposed excavation, foundations or utility shows whether further questions remain. A short note in a development plan does not replace this comparison.
When land is purchased or project parties change, technical appendices should also be handed over. They include the locations of areas addressed, available depth information and the scope actually agreed. Planning text may record completion at the time, while execution documents contain the details. If these are missing, obtaining them is the first step. An assumption about the earlier scope is treated as an outstanding question. This keeps clear which results are already reliably available and which information is still needed for the new construction task.
Requirements
Clarify technical requirements and responsibilities within the project
Relate requirements to the specialist task
For the commissioned work, the applicable technical requirements, permits, competence and responsibilities are clarified. The actual scope of work is what matters. Tasks and interfaces are described for the project and checked against the required authorisations.
Link occupational safety to the construction sequence
The risk assessment, work areas and communication arrangements must suit the planned activities. Specialist explosive ordnance work is coordinated with the other construction activities. Site organisation, traffic safety and other technical assessments retain their own responsible parties. Joint coordination assigns the relevant specialist work and responsibilities to the affected construction sections.
Use technical findings correctly
A measurement anomaly first requires specialist assessment; its appearance alone does not identify it as explosive ordnance. If an object is genuinely suspected to be ordnance, the prescribed reporting procedures and the measures set by the responsible authorities apply. Investigation reports specify the work completed and its limitations, so that results are not extended to unexamined areas or later design changes.
The Flugfeld written provisions of 5 November 2007 record completion of clearance in their area at the time and address remediation of other contamination separately. The city's KMBD service information page describes the application, site plan and state service's duties. For your own project, the required results documents are related to the current ground disturbance.
The BFR KMR guidelines on clearance planning connect the investigation task with subsequent steps. Guidance on geophysics supports method selection, while guidance on Documentation supports a clear results handover. The DGUV FAQs on explosive ordnance clearance explain occupational safety and the suitability of the working method. The Baden-Württemberg state information describes the state's duties.
The BFR KMR are used as technical guidance; locally applicable requirements and responsibilities must be clarified separately.
Permits, competence and responsibility for the specific activity are considered under the Explosives Act and the First Ordinance to the Explosives Act. The risk assessment under Section 5 of the Occupational Safety and Health Act relates to the planned activities. The DGUV Information 201-027 covers preventive investigation and clearance of conventional explosive ordnance and defines its scope. Its references to DGUV Rule 113-003 concern particular activities involving explosives; they are not applied indiscriminately to every construction-site investigation.
Working together
Distinguish the tasks of client, designers and specialist contractor
Client and operator
The client describes the project and provides the available project records. The operator adds requirements for use, access and timing. A coordinating contact brings the parties together; individual tasks remain assigned to the named parties. Before commissioning, it is clearly recorded what information is missing, who will obtain it and what decision the result is intended to prepare.
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 carries out the agreed investigation and documentation scope. Official requirements and decisions are clarified with the competent authorities concerned. The documents needed for a particular procedure depend on the location and project. The technical report describes the specialist service performed with its documented area, depth and service scope.
Investigation task
Which specialist task comes next?
Assess existing results before a new investigation
Earlier work that is usable is considered in planning. Comparison with the new areas, depths and requirements establishes any additional need. A repeat investigation is therefore not inferred solely from the age of the clearance note. Equally, an unevidenced scope is not treated as already fully investigated.
Establish service requirements from existing resultsMatch additional work to the specific task
Where further investigation is needed, define its objective, area and local prerequisites. Known structures or restricted access may influence the approach. The appropriate method is selected by specialists. Documented limits and outstanding areas remain clear for subsequent construction.
For Surveying, the suspected target objects, ground structure, depth range and interference determine method selection. Known utilities, reinforcement, foundations and metallic fill form part of investigation preparation. Borehole clearance identifies the point location and documented depth range. Any required deep investigation is given a specific task for deep ground disturbance; area clearance is described by its area and agreed scope. The appropriate method must be capable of addressing the defined investigation objective under the actual conditions. Areas with limited interpretability or no access remain identifiable in the report with their location and further requirements.
Compare investigation methodsProject types
Carry completed work clearly into the new design
Obtain the documents behind the clearance note
A short reference in a development plan may lead to the relevant case record. Further use needs the complete report and maps of the work carried out. Keep the date, brief and appendices together. Missing scope details are expressly identified and clarified technically before the conclusion is used for new ground disturbance.
Understand execution reports and spatial scope
Compare the new construction task with the boundaries
Show the excavation, foundations and additional connections on the current site plan. Add planned depths and known changes from the earlier project. Specialist planning checks which areas existing results cover. A new plot layout or changed building position is considered in this comparison.
New ground disturbance may also be required outside the eventual building. Mark working areas, drainage, utility connections and structurally changed access routes. A connection moved sideways may affect a different area even if its planned depth stays the same. For a plot taken over from another owner, former and current boundary identifiers are matched. The comparison considers whether the planned ground volume actually lies within the documented investigation limits. Outstanding interfaces are addressed technically before work starts rather than inferred from a shared project name.
Compare specialist servicesAdd supplementary work clearly to the project file
New results have their own drawing and area references. They are handed over together with earlier documents still in use. Construction management must be able to see which conclusion applies to the next ground disturbance. Outstanding questions remain visible; an additional report replaces earlier documents only to the extent it actually describes.
Document findings and their limitationsPreparation
Prepare the scope and commission together
Establish what needs to be known before commissioning the work
First establish which decision the commission needs to support. Is the task an initial assessment of existing documents, an investigation of a specific area or examination of an anomaly that has already been assessed? These tasks require different evidence. A general wish for safety does not define an investigation that can be carried out. The enquiry therefore specifies the groundworks, location, depth and available findings. Suitable specialist work and the required reporting are then agreed on that basis.
Define the specialist taskCoordinate preparatory work with the investigation
Required access and survey conditions are clarified before the site visit. This may include keeping areas clear, obtaining service information and coordinating with other trades. The method and site determine which preparations are actually needed. Changes to the surface or additional groundworks are not undertaken unilaterally simply to prepare for a survey. Their sequence is agreed with the specialist designers and responsible parties.
Clarify preparatory work in the programmeAgree a clear scope and schedule
A sound workflow distinguishes work already clarified technically from outstanding prerequisites. If an area will be accessible only in part, commissioning must take this into account. Handover and assessment of results also need time in the construction sequence. Dates and the work involved are agreed after clarifying scope, access and required prerequisites. For the section concerned, establish which documents must be available before work starts and who hands the results to the contractor.
Discuss the scope and scheduleTasks at the site
Use the existing completion record correctly
01
Obtain the documents behind the planning note
Ask for the report and maps of the completed work. Anyone taking over part of a plot does not always automatically receive the complete technical documentation. Identify missing appendices in the enquiry. A copy of the planning note helps locate the case record but does not answer every question about the original commission.
02
Transfer the boundaries to the current site plan
Check where the area addressed lies in relation to today's property boundary. Later subdivision or a different building position can complicate assignment. Also show connections outside the building itself. The specialist brief must account for all planned ground disturbance whose coverage is not established by existing results.
03
Compare investigation depth with the construction design
An earlier measure may have been designed for a different construction project. State today's planned ground disturbance depths and set them alongside existing information on investigated depths. If a limit is not clearly described, it should be clarified by specialists. The word cleared alone does not establish an unlimited investigation scope.
The ground surface level at the time also matters when assigning depths. If fill or excavation followed an investigation, the relationship between the old depth value and today's terrain must be clear. Add known demolition, old excavations and available as-built drawings. A new foundation may affect a different ground volume from earlier work. The additional commission addresses that difference. Where details are incomplete, establish which documents or investigations can answer the outstanding question before selecting a method.
04
Keep evidence of other contamination separate from explosive ordnance
The Flugfeld written provisions expressly distinguish the two subjects. For your project too, assessment of soil under waste legislation and explosive ordnance investigation answer different questions. Provide both types of documents where available. A positive result in one discipline does not automatically satisfy the requirements of the other.
Project documents
Documents that establish the next step
Read explosive ordnance and other contamination documents separately
The two disciplines may concern the same area yet answer different questions. Provide existing reports together and identify their respective purposes. Their results are coordinated for the construction sequence. Completion in one discipline is not used without justification as evidence for the other.
Contaminant testing, ground investigation and explosive ordnance work may depend on one another in the project schedule. Each commission has its own investigation objective and technical assessment of results. Planning brings the information needed for the construction sequence together. Known fill may, for example, affect both material assessment and measurement conditions without either report replacing the other investigation. Disposal route questions are handled with the responsible specialists; the explosive ordnance commission describes the services and documents required in that discipline.
Ask specifically about unclear scope
If maps or depth details are missing, identify the outstanding question precisely. A general reference to earlier clearance can help the research. Today's construction task, however, needs a clear assignment. From the documents available, specialist planning establishes which information still needs to be obtained. A clearance record is therefore also requested where completed clearance is named as earlier work. Areas addressed, methods, findings and remaining tasks must be relatable to today's ground disturbance.
Construction sequence
Coordinate investigation and construction sections
Prepare the first enquiry with complete supporting records
Send earlier documentation with the current design. Describe the reason for the new work and identifiable differences. List missing appendices explicitly. The technical comparison can then use existing results and relate additional tasks to the requirements actually outstanding.
For tendering, research, investigation, assessment of findings and documentation are described as defined services. All bidders receive the same ground disturbance plan and existing results documents. State usable access and known constraints, such as utilities or a prescribed construction sequence. For work in stages, define which results are needed for which section. Also agree who obtains missing baseline information and which preparatory work is required. Changes to areas, depths or construction dates must be considered in investigation preparation before deployment.
Hand over the updated status before work starts
Reports and execution plans are passed on in the relevant versions. New results and earlier work still in use remain clearly assigned. Further changes are reviewed before the affected ground disturbance. Earlier completion is therefore used within its scope, without extending it unchecked to every later construction task.
A survey report describes investigation areas, methods, measurement limits and specialist assessment of findings. A clearance record documents the clearance scope actually completed. The report and associated drawing version stay together when passed on. A new report may supplement older documents for a particular area without repeating every conclusion still in use. For execution, identify which document covers which section and which task remains outstanding. These details stay in the project file when the designer or contractor changes. The Clearance documentation records the documented area, depth and service scope.
Method selection
Select methods according to the task and survey conditions
Historical records and aerial photographs
Historical aerial photograph assessment and other old records help place the basis for suspicion in its spatial context. The available images, their evidential value and the limits of the area considered matter. The absence of an identifiable indication must be distinguished from a technically surveyed ground area. The assessment is considered together with the planned intervention and other available findings. It can support the choice of a survey, but is not a measurement of the present-day subsurface or confirmation for all future works.
Understand aerial photograph assessmentMagnetometric survey
Magnetometric methods detect magnetic anomalies. Whether they can address the specific survey task depends, among other things, on the expected objects, ground conditions, interference and required survey area. Fences, utilities or existing structures may affect interpretation. A measurement signal is therefore not described as ordnance solely because of its strength. Method, interpretation and any further investigation are planned as a connected specialist task.
Understand the scope of magnetometryElectromagnetic methods
Electromagnetic investigations can be suitable for particular metallic targets and site conditions. Their suitability must be explained for the task, rather than inferred simply from the availability of equipment. Interfering installations, accessible areas and the findings required must also be considered. Results are documented with their location and survey conditions. The specialist assessment determines whether a supplementary method is needed; this remains a project-specific decision.
Understand electromagnetic surveyingGround-penetrating radar
Under suitable conditions, ground-penetrating radar can provide information about subsurface structures and reflections. Ground conditions, moisture, installations and the particular survey task affect interpretability. An anomaly is not automatically ordnance, and an area with no apparent anomalies is not general evidence for arbitrary depths. The specialist interpretation and its limits are documented with the instruction. A survey for another purpose is not adopted without checking as ordnance evidence.
GPR and limitationsDeep-ground and downhole surveys
For deeper groundworks, it may be necessary to establish whether a surface investigation can provide the required findings or another approach is needed. Preparation includes the location, depth, borehole layout and existing services. Creating access for the investigation must also be properly planned by specialists. A general depth figure or standard grid cannot replace that work. Findings remain limited to the areas actually investigated and the method used.
Prepare deep interventionsSurvey during construction
If a necessary preliminary investigation cannot be completed, the specialists assess whether a planned approach during construction is suitable. This includes coordinated investigation, interpretation and communication of findings within the intended work sequence. Visual observation of excavated material is not an interchangeable substitute for a necessary survey. Site management needs a clear description of when specialist work will take place, how new findings will be handled and which areas remain unresolved.
Agree the approach during constructionTechnical assessment
What additional work is actually needed
Complete missing baseline information
Where the existing file has gaps, a Historical aerial photograph analysis may form part of further clarification. An existing investigation that can be used must be considered. What matters is which question remains outstanding for the planned groundworks. Existing evidence and its limitations are therefore read before a technical measure is selected.
If a suspected explosive ordnance area in Böblingen is to be assessed, the outstanding question is first described alongside the existing investigation status. Where baseline information is missing, historical research and aerial photograph assessment use suitable dated imagery and supplementary sources. A completed clearance commission and an earlier preliminary investigation provide different kinds of results. The new commission considers each within its own scope. Only then can it be justified whether further technical investigation is required, which area it should cover and which result is needed for the planned groundworks.
Limit the investigation to outstanding areas
If Surveying is required, the area, objective and site conditions are agreed. Remaining structures or other interference can affect what a method can reliably assess. Areas not sufficiently investigated must also be documented clearly. A blanket statement about the whole plot would be too imprecise.
Plan additional work before groundworks
A required Clearance plan connects remaining work with the planned construction sequence. This includes preparatory ground disturbance where relevant to the investigation. Simply watching excavation does not replace proper specialist clarification. Whether explosive ordnance clearance during construction is suitable must be assessed case by case.
For agreed excavation supervision, the technical prerequisites, working areas and cooperation with the contractor are defined. The work sequence considers findings from existing reports and the purpose of the supervision. Access, the approach and required protective measures are agreed for work on findings. Actual suspicious finds are reported to the police, who arrange further action. Construction management receives the relevant results and outstanding prerequisites for follow-on work. Preparatory ground disturbance is also considered with its location and depth. Any required Ordnance recovery is coordinated according to the particular technical task and responsibility.
Next steps
Enquire with existing clearance documentation
State the reason for the new work
Describe what is to be built or changed and why a further technical assessment is needed. It may concern a new utility, deeper foundations or missing documents. This starting point helps define a sensible commission. Simply repeating the earlier service scope is not always appropriate. The initial contact records the project location, construction task and decision needed. Document review assigns existing reports and maps to the current ground disturbance plan.
Hand over results and plans together
Send the current site plan with all available reports in full. If area identifiers have changed, explain their correspondence. Conflicting information should remain visible until clarified. Selecting the most favourable individual statement from several documents does not provide a sound basis for construction. Historical research and aerial photograph assessment are carried out where baseline questions remain. Method selection considers their results, target objects, ground volume, interference sources and access.
Define the scope of services and prerequisites
After comparison, agree which specialist services are still needed. These may include obtaining further information or on-site investigation. Coordinate access, preparatory work and scheduling needs. Existing official requirements are taken into account. The competent state authorities make official decisions. The agreed survey or suitable supervision addresses the defined areas. The analysis assesses findings with their measurement limits and relates them to the planned ground disturbance.
Give construction management the valid results
Bring the relevant reports together so that their scopes are identifiable. New results can supplement earlier documents without replacing them completely. For a later design change, check whether the additional ground disturbance is covered. Documentation should therefore be passed on with the current execution plans. The report and spatial appendices document the scope carried out. The subsequent decision defines further investigations or coordination for outstanding areas; the responsible parties receive the results.
Documentation
Your specialist commission and the state service's duties
Findings and their scope
The Böblingen procedural information refers to the statewide explosive ordnance disposal service at Stuttgart Regional Council. An aerial photograph assessment requires, among other things, a site plan with clearly defined investigation boundaries. The service provides advice, searching and recovery within its capacity on a cost-reimbursement basis; if it cannot carry out this work, private specialist companies must be engaged.
Project responsibilities
FONTANA-EOD agrees the specialist services needed for your planned groundworks with you. Defusal of recovered explosive ordnance by the state service remains separate. The BFR KMR may be used for technical planning; outside their direct federal scope, they do not thereby establish additional blanket duties for every plot in Böblingen.
Working approach
How FONTANA-EOD works
Document the agreed specialist service clearly
We assess the planned groundworks against the available documents and their design revision. Before attending site, we agree with you what needs to be investigated, which areas are accessible and what findings are required. If the design or site conditions change, we check whether the agreed scope remains appropriate. The report states what was actually investigated and the limits of the findings. This allows designers and site management to see which findings they can use and where questions remain.
Discuss the investigation taskThe task before the equipment
We first establish the investigation objective: which question must it answer? We then select a technically suitable method. The availability of a particular device or experience on a similar neighbouring site is not enough to justify the choice of method on its own.
Keep limitations visible
Inaccessible areas and limited conclusions are identified. They do not disappear into a total area figure. Designers and site management can then decide specifically which areas still need attention and when a suitable survey becomes possible.
Clarify changes before intervening in the ground
A new location, additional depth or different construction method is compared with previous results. A familiar project name does not replace this comparison. Feedback is provided before the affected work so that an outstanding question can be included in the sequence.
Hand over the report and plan together
The technical conclusion remains connected to its location references and appendices. A brief summary helps orientation but does not replace the documented survey scope. This basis is retained even if site management or contractors change.
Understand the results
Use technical statements for the next decision
Understand fully what a cleared area means
Further use depends on the investigation objective, depth and documented limitations as well as the area boundary. These details follow from the actual documents. A short planning note cannot reproduce them fully. The technical assessment therefore connects the historical completion record with the requirements of today's project.
Understand investigation reports and their limitationsKeep plans and results together
Later use of documentation needs its original spatial reference. Keep reports, maps and associated plans together. Additions are included with their own dates and clear scopes. For new connections or deeper foundations, it is then possible to check specifically which conclusions still apply. In an enquiry, explain subdivisions, changed area names, new building positions and additional connections so that earlier work can be assigned correctly.
Understand the service scopeDesign and findings
Documents for the next construction decision
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 assessmentSpecialist 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
Further technical topics
Further technical information for your project
Determine the specialist service from the planned groundworks
Historical assessment, technical investigation and further work answer different questions. Describe the planned groundworks and investigation results needed in your enquiry. Operating conditions at industrial and infrastructure projects also belong in the enquiry.
Compare servicesCoordinate the project sequence with everyone involved
Preparation connects the commission, site work and handover of findings. Changes to the project can then be incorporated into technical coordination in good time.
Process and documentationQuestions from planning
Questions about cleared areas and new construction projects
Does the Flugfeld clearance note apply to all of Böblingen?
No. The statement appears in the written provisions for Flugfeld – Südlich Konrad-Zuse-Straße 6.0. For your own project, the areas actually covered and investigation scope at the time must be compared with the new design.
Is a new survey always needed despite earlier clearance?
No. First check whether earlier results sufficiently cover the planned ground disturbance. Further services depend on outstanding questions, changed requirements and the specific project.
What documents belong in an initial enquiry?
A site plan of the planned groundworks, intended depths and existing investigation and clearance reports, including maps. Describe changes from the earlier project and identify missing appendices. Clarify requirements before the affected groundworks. For preliminary investigation by the statewide KMBD at Stuttgart Regional Council, an application and precisely bounded site plan are submitted according to its documentation. The process connects document review, any required historical assessment and method selection with investigation or suitable supervision, assessment and documentation.
Does remediation of contaminated land replace explosive ordnance assessment?
No. Contaminants and explosive ordnance are different subjects of investigation. Their respective technical documents must be assessed for their own questions.
What should be done if a suspicious item is found?
Stop work, do not touch or move the object, and keep other people away. Call the police on 110 from a safe distance and follow the authorities' instructions.
Why is a short clearance note insufficient for every new ground disturbance?
It does not necessarily contain all details of areas, depths and investigation objectives. These are compared with the new design using the complete documents. For supplementary investigation, suitable methods are selected according to target objects, ground conditions and interference. Measurement limits and points with restricted interpretability remain documented in the report with their locations and further requirements.
How are new results connected to older evidence?
Each report retains its drawing and area references. Conclusions still in use and supplementary areas are handed over together with a clear record.
What determines the cost of additional specialist work?
Research requirements, investigation areas and depths, access and interference determine the work involved. Analysis, documentation and any further work on findings add to this. Complete, usable clearance records help define the additional commission. KMBD services and costs are considered separately from private specialist commissions.
Project enquiry
Prepare the first technical discussion
Send complete clearance records
Include the report, maps and known additions together. Add the project address, land parcels, requirements, existing aerial photograph assessments, utility plans and as-built plans with their respective versions.
Describe the new construction task
Mark areas, depths and changes from the earlier project. Identify the construction area, routes, borehole positions, ground disturbance depths and intended construction dates. State the project status, work due first and decision sought. For several sections, assign the respective documents and contacts.
Project process and documents
Project process and documentsMethods and technology
Methods and technology
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.
