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DGUV Regulation 4 (Public Institutions)
Public institutions are subject to particularly strict safety regulations to protect employees and visitors. As a specialized testing and inspection company, we are thoroughly familiar with the specific requirements of DGUV Regulation 4 and ensure legally compliant implementation through our qualified specialists in accordance with TRBS 1203. We provide maximum safety in your building—reliably, in line with standards, and without disrupting ongoing operations.

Legally compliant DGUV Regulation 4 testing for public institutions
DGUV Regulation 4 (formerly GUV-V A3) governs accident prevention in public institutions and is the counterpart to DGUV V3 in the commercial sector. Whether schools, day-care centers, town halls or municipal depots – public-sector operators and those responsible are under an absolute obligation to provide complete proof of the safety of all electrical systems and equipment. Any incident in areas with high public traffic without a compliant testing record will directly lead to significant liability consequences for the responsible department heads or mayors. Bittermann Elektrotechnik GmbH supports you in professionally securing these sensitive infrastructures and precisely meeting the strict requirements of the accident insurance institutions.
Our testing services in detail
As certified experts, we carry out tests in accordance with DGUV V4, taking into account the specific recommended testing intervals for „operating sites and rooms of a special kind“. Our range of services includes the metrological assessment of portable equipment as well as the inspection of fixed installations in accordance with the latest VDE standards. We document every test in an audit-proof digital database specially tailored to the requirements of public entities and able to withstand any audit. We also provide comprehensive advice on creating risk assessments in accordance with TRBS, in order to maximize safety for employees and visitors alike.
Why Bittermann Testing Technology?
Specialists for the public sector: As experts certified by BDSH e.V., we know the special requirements of accident insurance institutions and municipal insurers in detail.
Legal certainty under TRBS: We guarantee documentation that will stand up in court without exception, in accordance with the latest technical rules, protecting those responsible in the event of damage fully against recourse claims.
Efficient processes in day-to-day operations: Our testing routines are designed so that daily operations in schools or public authorities are hardly disrupted – often we can test completely without shutting down.
Holistic inventory management: We take over the seamless recording and labeling of your entire inventory, giving facility managers a perfect overview of the condition of all properties.
Secure your public facilities now
Do not take risks when it comes to safety in public spaces and rely on state-recognized experts. Contact us today for a consultation and a customized testing concept for your municipal properties.






