With over 10 years of expertise

Hospital hygiene during renovation – RKI-compliant construction measures in Frankfurt

Compliance with strict hygiene requirements during construction work in healthcare facilities requires specialized expertise and detailed knowledge of RKI guidelines. Patients with weakened immune systems, open wounds, and sterile treatment areas must not be contaminated by construction work. As an experienced general contractor for hygiene-compliant renovation in Frankfurt am Main and the surrounding area, chore bauen GmbH implements demanding healthcare projects in accordance with the strictest hygiene standards—without endangering patients and staff.

Get advice now

The CHORE approach

What distinguishes chore as hygiene specialists?

Comprehensive hygiene expertise

Over ten years of experience in the healthcare sector have shaped our understanding of the special requirements of medical facilities. This expertise is incorporated into every phase of planning and execution:

  • RKI compliance: Detailed knowledge of all guidelines
  • Hospital hygiene: Practical experience in all areas
  • Microbiology: Understanding contamination risks
  • Quality assurance: Systematic monitoring and documentation

Special hygiene services

Specialized services for healthcare projects:

  • Hygiene consulting: Support with planning
  • Staff training: Instructions for all involved
  • Monitoring service: Continuous monitoring
  • Documentation help: Complete verification management
Get advice now

Legal requirements

What legal framework and RKI guidelines apply to construction work in healthcare facilities?

Construction work in healthcare facilities is subject to a complex set of medical, technical, and legal requirements. Precise knowledge and consistent implementation of these standards form the indispensable basis for any renovation work in the healthcare sector. Only by systematically taking all relevant guidelines into account can the necessary patient protection be guaranteed throughout the entire construction phase.

Protection concepts and construction site organization

How do protection concepts and construction site organization protect patients?

The physical separation of construction and patient areas forms the basis of any hygienic renovation in a hospital. Precise process planning and consistent monitoring of all movements between zones ensure the continuous protection of sensitive areas and prevent the spread of contamination.

Zoning according to contamination risk

The spatial division of the construction site into different hygiene areas enables the targeted control of all material flows and personnel movements.

  • Contaminated area (construction site)

    • Active construction site with dust and dirt: separated from patient operations
    • Access for construction workers and material delivery: minimizes contamination spread through separate routes
    • Tool and material storage: avoids unnecessary transport through patient areas
    • Waste and debris disposal: removes contaminated materials directly
  • buffer zone

    • Transition area between construction and operation: as an additional safety barrier against contamination
    • Decontamination airlocks: eliminate pathogens before entering clean areas
    • Cleaning tools and materials: prevents the spread of particles and germs
    • Change of protective clothing: eliminates particles and germs before entering clean areas
  • Clean zone (patient area)

    • Normal hospital operations: enables uninterrupted patient care despite construction work
    • Sterile areas and intensive care units: to ensure the highest hygiene standards
  • Lock systems and access control

    Multi-stage lock systems regulate all transitions between the defined hygiene zones and ensure complete decontamination.

  • Personnel airlocks

    • Three-chamber airlocks for personnel: for step-by-step decontamination without risk of contamination
    • Changing areas with separation between unclean and clean: to prevent the spread of germs through contaminated clothing
    • Hand disinfection and changing shoes: eliminate the most common transmission routes for pathogens
  • Material locks

    • Separate infeed for building materials: prevents contamination from external materials
    • Decontamination and cleaning: removes germs and particles before they enter sensitive areas
    • Packaging in sterile envelopes: protects decontaminated materials from recontamination
  • Waste locks

    • Safe removal of contaminated materials: to protect areas that have already been cleaned
    • Separate disposal routes: prevents crossing with material transport and passenger traffic
    • Disinfection of transport containers: eliminates germs on container surfaces before reuse
  • area requirements

    What are the specific hygiene requirements for different areas of the hospital?

    Different areas of a hospital each have specific requirements for hygiene measures during construction work. The intensity of the protective measures is always based on the individual risk potential for patients. Highly sensitive areas require particularly comprehensive safety concepts and seamless monitoring.

    technical aspects

    What technical hygiene measures ensure protection against contamination?

    The technical infrastructure forms the backbone of all hygiene protection concepts during construction work in hospitals. Only through the interaction of all technical components can the required hygiene standard be maintained throughout.

    Ventilation and air conditioning technology

    Controlled airflows and highly efficient filter systems act as a central barrier against the spread of contamination.

    construction site extraction

    • HEPA-filtered extraction systems: remove particles at the source for maximum protection
    • Negative pressure in the construction area: to prevent the uncontrolled spread of contamination into patient areas
    • Separate exhaust air duct to the outside: eliminates contamination risks through direct external discharge

    protective ventilation

    • Overpressure in patient areas: as protection against particles entering from construction areas
    • Directed airflows: specifically direct contaminants away from the patient area
    • Fresh air supply via HEPA filter: guarantees germ-free room air for safe treatment
    • Temperature and humidity control: maintains optimal treatment conditions and patient comfort

    emergency ventilation

    • Backup systems in case of failure: for continuous patient protection without interruption
    • Rapid response to contamination: minimizes exposure periods through automatic switching
    • Mobile filter devices for critical areas: offer flexible protection in the event of unforeseen incidents

    Building materials and hygienic design

    The selection of suitable materials and the use of low-dust processing techniques minimize the risk of contamination at source.

    Hygienic material selection

    • Seamless, disinfectable surfaces: eliminate bacterial niches and facilitate surface disinfection
    • Resistance to disinfectants: for long-term functionality despite aggressive cleaning
    • Dust-free, bonded insulation materials: prevent particle release during processing and use
    • Antimicrobial coatings: actively reduce germ growth on surfaces

    Low-dust machining

    • Wet process for sawing and drilling work: immediately binds dust and prevents air contamination
    • Vacuum extraction on all tools: captures particles directly at the point of origin
    • Minimization of spraying and grinding work: reduces the risk of contamination through the choice of process
    • Prefabrication outside patient areas: to prevent unnecessary dust exposure in sensitive areas

    Cleaning & disinfection

    How do cleaning, disinfection, and microbiological control ensure hygiene standards?

    Systematic cleaning and professional disinfection form the basis for lasting protection against contamination during construction work in hospitals. Accompanying laboratory checks confirm compliance with the required limit values and ensure safety for hospital operations.

    Systematic hygiene measures

    Structured cleaning and disinfection processes ensure that all relevant surfaces remain free of germs.

  • routine cleaning

    • Daily wet cleaning of all surfaces: continuously removes dust and particles from all areas
    • Disinfectants according to the RKI list: for effective germ inactivation in accordance with scientific standards
    • Separate cleaning utensils for different areas: Prevention of cross-contamination between zones
  • Final disinfection

    • Comprehensive cleaning after completion of construction: completely eliminates all construction site-related contamination
    • Fog disinfection for hard-to-reach areas: also reaches hidden surfaces and cavities
    • Microbiological checks before commissioning: prove compliance with hygiene standards before patient contact
  • Training of cleaning staff

    • Special hygiene training: teaching understanding of contamination risks in the hospital environment
    • Identification of contamination risks: for proactive hazard prevention for personnel
    • Regular training: keeps knowledge up to date with changing guidelines
  • Microbiological monitoring

    Regular measurements and laboratory analyses can be used to document the effectiveness of all hygiene measures and adjust them if necessary.

  • airborne germ count

    • Regular measurements in critical areas: objectively document the effectiveness of protective measures
    • Comparison with limit values: Compliance with purity classes according to DIN 1946-4
    • Documentation of all measurement results: enables trend analysis and early problem detection
    • Immediate measures in case of exceedance: to prevent patient risk through rapid intervention
  • surface inspections

    • Swab samples from critical surfaces: show residual contamination after cleaning
    • Checking the effectiveness of disinfection: verifies correct use of disinfectants
    • Trend documentation during the construction period: Identification of weak points in the hygiene concept
  • water quality

    • Inspection of drinking water installations: prevents contamination due to construction work on pipes
    • Legionella prevention during shutdown: protects against dangerous infections after recommissioning
    • Preventing biofilm in pipes: maintaining drinking water quality through regular flushing
    • Flushing before recommissioning: removes stagnant water and reduces bacterial contamination
  • limit values

    • < 500 KBE/m³ in Normalstationen
    • < 200 KBE/m³ in Intensivbereichen
    • < 50 KBE/m³ in OP-Bereichen
    • < 10 KBE/m³ in Transplantations-Bereichen
    • staff training

      How do staff training and qualifications ensure hygiene standards?

      The professional competence of all persons involved is a decisive factor in the success of hygienic construction measures in hospitals. For this reason, specialized training courses are available to provide construction workers and cleaning staff with the necessary understanding of contamination risks and protective measures. 

      Construction worker training courses

      All persons involved in construction need in-depth knowledge of the special hygiene requirements in the healthcare sector. Knowledge of the following aspects is therefore essential:

    • Hygiene basics

      • Transmission routes of pathogens: Understanding invisible hazards
      • Importance of hygiene measures: raising awareness of patient safety as the top priority
      • Risks for patients and staff: highlighting the consequences of hygiene violations
      • Individual responsibility: strengthening personal commitment to hygiene discipline
    • Practical instructions

      • Correct use of airlocks: prevents contamination spread due to incorrect handling
      • Handling protective clothing: ensures the effectiveness of personal protective equipment
      • Tool disinfection: eliminates germs on work equipment before changing zones
      • What to do in case of hygiene problems: rapid damage control in the event of incidents
    • Emergency response

      • Contamination incidents: trains correct response to hygiene incidents
      • Reporting channels and communication: ensures rapid information flow to all responsible parties
      • Evacuation procedure: for safe evacuation in hazardous situations
    • Continuous monitoring

      Specially trained hygiene officers monitor all work processes and take immediate corrective action in the event of deviations.

    • hygiene officer

      • Specially trained supervisors: reliably identify hygiene deficiencies thanks to their professional expertise
      • Rapid intervention in the event of problems: prevent escalation through early intervention
      • Documentation of all hygiene activities: creates transparency and learning opportunities
    • Regular checks

      • Unannounced hygiene checks: uncover negligence and promote continuous discipline
      • Verification of protective measures: confirm the functionality of technical safety devices
      • Feedback and suggestions for improvement: continuously optimize processes by learning from practical experience
    • documentation

      Complete documentation of all hygiene measures ensures full compliance with official requirements and enables seamless traceability.

    • Construction hygiene plan

      • Detailed planning of all hygiene measures: binding standards for all project phases
      • Responsibilities and accountabilities: create clear structures for hygiene management
      • Schedules and milestones: coordinating hygiene measures with construction progress
      • Emergency plans and escalation procedures: prepare for rapid response to critical incidents
    • Proof of implementation

      • Daily hygiene protocols: document the implementation of all routine measures without exception
      • Measurement documentation: Compliance with limit values through objective data
      • Training certificates: confirm the qualifications of all persons involved
      • Deviation reports: enable analysis and prevention of recurring problems
    • quality control

      • Microbiological testing: objectively assessing hygiene status through laboratory analysis
      • Acceptance reports: document successful handover after completion of construction
      • Approval certificates: confirm operational safety for patient care
    • chore - Quality is our foundation

      Contact for hygienic renovation

      Are you planning construction work in your healthcare facility and need a partner with comprehensive hygiene expertise? As a specialized general contractor for RKI-compliant renovation, we are at your disposal with our expertise.

      Contact us for a no-obligation consultation. Our hygiene specialists will work with you to develop a customized concept that meets the highest hygiene standards and provides optimal protection for patients and staff.

      Put your trust in over 10 years of healthcare expertise and detailed knowledge of RKI guidelines. Together, we will realize your construction project—hygienically flawless, patient-friendly, and compliant with standards.

      +49 69 6066 4500

      info@chore.de