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Erscheinungsdatum
2022-08
Englischer Titel

VDI-Handbuch Wärme-/Heiztechnik - Kauf Regelwerk Online

Seitenanzahl
6607
Erhältlich in
Deutsch

Richtlinie bestellen

Enthaltene Richtlinien

  • Richtlinie
    01.02.2021

    VDI 1000

    VDI Standardisation Work - Principles and procedures

    Zu den Details
  • Richtlinie
    01.03.2021

    VDI 2035 Blatt 1

    Prevention of damage in water heating installations - Scale formation and waterside corrosion

    Zu den Details
  • Richtlinie
    01.07.2014

    VDI 2035 Blatt 3

    Prevention of damage in water heating installations - Corrosion by fuel gases

    Zu den Details
  • Richtlinie
    01.07.2022

    VDI 2036

    Building installations for district heating

    Zu den Details
  • Richtlinie
    01.11.2013

    VDI 2050 Blatt 1

    Requirements for technical equipment rooms - Technical bases for planning and execution

    Zu den Details
  • Richtlinie
    01.07.2017

    VDI 2050 Blatt 1.1

    Requirements for technical equipment rooms - Space for service shafts

    Zu den Details
  • Richtlinie
    01.11.2018

    VDI 2050 Blatt 3

    Requirements for technical equipment rooms - Heating systems

    Zu den Details
  • Richtlinie
    01.09.2012

    VDI 2067 Blatt 1

    Economic efficiency of building installations - Fundamentals and economic calculation

    Zu den Details
  • Richtlinie
    01.09.2013

    VDI 2067 Blatt 10

    Economic efficiency of building installations - Energy demand for heating, cooling, humidification and dehuminification

    Zu den Details
  • Richtlinie
    01.04.2018

    VDI 2067 Blatt 20

    Economic efficiency of building installations - Energy effort of benefit transfer for water heating systems

    Zu den Details
  • Richtlinie
    01.05.2023

    VDI 2067 Blatt 22

    Economic efficiency of building installations - Energy effort of benefit transfer for heating drinking water

    Zu den Details
  • Richtlinie
    01.06.2013

    VDI 2067 Blatt 30

    Economic efficiency of building installations - Energy effort for distribution

    Zu den Details
  • Richtlinie
    01.12.2013

    VDI 2067 Blatt 40

    Economic efficiency of building services installations - Energy effort for generation

    Zu den Details
  • Richtlinie
    01.04.2024

    VDI-EE 2068

    Measurement and calculation method for determining the angle-dependent solar radiation transmission of building enclosures with extended patterns

    Zu den Details
  • Richtlinie
    01.03.2018

    VDI 2069

    Preventing freezing of water-carrying pipes

    Zu den Details
  • Richtlinie
    01.11.2019

    VDI 2072

    Heat transfer station with water/water heat exchangers for continuous-flow water heating/space heat supply

    Zu den Details
  • Richtlinie
    01.05.2014

    VDI 2073 Blatt 1

    Hydraulic systems in building services - Hydraulic circuits

    Zu den Details
  • Richtlinie
    01.11.2014

    VDI 2073 Blatt 1 Berichtigung

    Hydraulic systems in building services - Hydraulic circuits - Corrigendum concerning standard VDI 2073 Part 1:2014-05

    Zu den Details
  • Richtlinie
    01.02.2024

    VDI 2073 Blatt 2

    Hydraulic systems in building services - Hydraulic balancing

    Zu den Details
  • Richtlinie
    01.07.2025

    VDI-MT 2073 Blatt 3

    Hydraulics in building services installations - Trainings

    Zu den Details
  • Richtlinie
    01.07.2014

    VDI 2074

    Recycling in the building services

    Zu den Details
  • Richtlinie
    01.07.2003

    VDI 2075

    Ice sport facilities - Building Services

    Zu den Details
  • Richtlinie
    01.11.2012

    VDI 2077 Blatt 3.1

    Energy consumption accounting for the building services - Determination of reimbursable costs of heat generation by CHP systems

    Zu den Details
  • Richtlinie
    01.10.2013

    VDI 2077 Blatt 3.1 Berichtigung 1

    Energy consumption accounting for the building services - Determination of reimbursable costs of heat generation by CHP systems - Corrigendum concerning guideline VDI 2077 Part 3.1:2012-11

    Zu den Details
  • Richtlinie
    01.06.2013

    VDI 2077 Blatt 3.2

    Energy consumption accounting for the building services - Heat and hot-water supply installations - Cost allocation in connected installations

    Zu den Details
  • Richtlinie
    01.08.2016

    VDI 2077 Blatt 3.3

    Energy consumption accounting for the building services - Heat and hot-water supply installations - Cost allocation for solar systems

    Zu den Details
  • Richtlinie
    01.11.2016

    VDI 2077 Blatt 3.3 Berichtigung

    Energy consumption accounting for the building services - Heat and hot-water supply installations - Cost allocation for solar systems - Corrigendum concerning standard VDI 2077 Part 3.3:2016-08

    Zu den Details
  • E
    Richtlinie
    01.10.2024

    VDI 2077 Blatt 3.4

    Energy consumption accounting for the building services - Heat and hot-water supply installations - Cost allocation for heat pumps and installations with several energy sources

    Zu den Details
  • Richtlinie
    01.05.2018

    VDI 2077 Blatt 3.5

    Energy consumption accounting for the building services - Method for the consideration of heat loss through pipes

    Zu den Details
  • Richtlinie
    01.07.2018

    VDI 2077 Blatt 3.5 Berichtigung

    Energy consumption accounting for the building services - Method for the consideration of heat loss through pipes - Corrigendum concerning standard VDI 2077 Part 3.5:2018-05

    Zu den Details
  • Richtlinie
    01.09.2023

    VDI 2089 Blatt 1

    Building services in swimming baths - Indoor pools

    Zu den Details
  • Richtlinie
    01.01.2024

    VDI 2089 Blatt 1 Berichtigung

    Building services in swimming baths - Indoor pools - Corrigendum concerning standard VDI 2089 Part 1:2023-09

    Zu den Details
  • Richtlinie
    01.08.2009

    VDI 2089 Blatt 2

    Building services in swimming baths - Efficient use of energy and water

    Zu den Details
  • Richtlinie
    01.09.2011

    VDI 2089 Blatt 3

    Building installations in swimming baths - Open-air pools

    Zu den Details
  • Richtlinie
    01.12.2016

    VDI 2164

    PCM energy storage systems in building services

    Zu den Details
  • Richtlinie
    01.10.2012

    VDI 2169

    Functional checking and yield rating of solar thermal systems

    Zu den Details
  • Richtlinie
    01.11.2011

    VDI 2715

    Noise control in heating systems

    Zu den Details
  • Richtlinie
    01.09.2023

    VDI 3464 Blatt 1

    Emission control - Storage and handling of wood pellets at the point of end use - Requirements under environment, health, and safety aspects

    Zu den Details
  • Richtlinie
    01.03.2023

    VDI 3464 Blatt 2

    Emission control - Storage and handling of wood chips for energy use in the private and commercial sector - Requirements under environmental, health, and safety aspects

    Zu den Details
  • Richtlinie
    01.03.2017

    VDI/VDE 3512 Blatt 1

    Temperature measurement for building automation - Basic principles

    Zu den Details
  • Richtlinie
    01.03.2017

    VDI/VDE 3512 Blatt 2

    Temperature measurement for building automation - Temperature sensors, temperature sensing elements and their measurement parameters

    Zu den Details
  • Richtlinie
    01.02.2009

    VDI/VDE 3512 Blatt 3

    Temperature measurements for building automation - Installation of temperature sensors

    Zu den Details
  • Richtlinie
    01.03.2017

    VDI/VDE 3512 Blatt 4

    Temperature measurement for building automation - Testing of temperature sensors

    Zu den Details
  • E
    Richtlinie
    01.01.2025

    VDI 3670 Blatt 2

    Waste gas cleaning - Downstream dust control devices for small-sized solid fuel combustion systems - Boilers

    Zu den Details
  • Richtlinie
    01.07.2017

    VDI 3781 Blatt 4

    Environmental meteorology - Discharge conditions for exhaust gases - Small and medium combustion systems and other installations

    Zu den Details
  • Richtlinie
    01.04.2022

    VDI 3786 Blatt 5

    Environmental meteorology - Meteorological measurements - Radiation

    Zu den Details
  • Richtlinie
    01.07.2022

    VDI 3805 Blatt 1

    Product data exchange in the building services - Fundamentals

    Zu den Details
  • Richtlinie
    01.04.2019

    VDI 3805 Blatt 24

    Product data exchange in the building services - Actuators used in building services

    Zu den Details
  • Richtlinie
    01.10.2018

    VDI 3805 Blatt 26

    Product data exchange in the building services - Combined heat and power generation

    Zu den Details
  • Richtlinie
    01.02.2022

    VDI 3805 Blatt 28

    Product data exchange in the building services - Electric and gas-fired radiant heaters

    Zu den Details
  • Richtlinie
    01.07.2020

    VDI 3805 Blatt 29

    Product data exchange in the building services - Pipes, ducts, and fittings

    Zu den Details
  • Richtlinie
    01.09.2018

    VDI 3805 Blatt 33

    Product data exchange in the building services - Controls and accessories

    Zu den Details
  • Richtlinie
    01.04.2019

    VDI 3805 Blatt 43

    Product data exchange in the building services - Pressure maintaining devices

    Zu den Details
  • Richtlinie
    01.07.2025

    VDI 3805 Blatt 44

    Product data exchange in the building services - Heat transfer stations

    Zu den Details
  • Richtlinie
    01.04.2014

    VDI 3805 Blatt 99

    Product data exchange in the Building Services - General components

    Zu den Details
  • Richtlinie
    01.06.2018

    VDI 3805 Blatt 100

    Product data exchange in the building services - Systems

    Zu den Details
  • Richtlinie
    01.06.2013

    VDI 3807 Blatt 1

    Characteristic consumption values for buildings - Fundamentals

    Zu den Details
  • Richtlinie
    01.11.2014

    VDI 3807 Blatt 2

    Characteristic consumption values for buildings - Characteristic heating-energy, electrical-energy and water consumption values

    Zu den Details
  • Richtlinie
    01.11.2014

    VDI 3807 Blatt 5

    Characteristic consumption values for buildings - Partial characteristics for thermal energy

    Zu den Details
  • Richtlinie
    01.03.2021

    VDI 3808

    Assessment of energy efficiency of buildings and building services - Application of existing techniques

    Zu den Details
  • Richtlinie
    01.09.2011

    VDI 3809 Blatt 1

    Acceptance of building installations - Heating

    Zu den Details
  • Richtlinie
    01.03.2023

    VDI-MT 3810 Blatt 1

    Operation and maintenance of buildings and building installations - Fundamentals

    Zu den Details
  • Richtlinie
    01.10.2023

    VDI-MT 3810 Blatt 1 Berichtigung

    Operation and maintenance of buildings and building installations - Fundamentals - Corrigendum concerning standard VDI-MT 3810 Part 1:2023-03

    Zu den Details
  • Richtlinie
    01.08.2018

    VDI 3810 Blatt 3

    Operation and maintenance of buildings and building installations - Heating systems

    Zu den Details
  • Richtlinie
    01.07.2016

    VDI 3811

    Refurbishment of heating installations

    Zu den Details
  • Richtlinie
    01.03.2010

    VDI 3812 Blatt 1

    Home automation technologies - Requirements for electrical installations and building automation and control systems

    Zu den Details
  • Richtlinie
    01.05.2011

    VDI 3813 Blatt 1

    Building automation and control systems (BACS) - Fundamentals for room control

    Zu den Details
  • Richtlinie
    01.02.2025

    VDI/WTA 3817 Blatt 3

    Listed and historical buildings - Building Services

    Zu den Details
  • Richtlinie
    01.10.2016

    VDI 3819 Blatt 1

    Fire protection for buildings - Fundamentals for building services - Terminology, acts, ordinances, technical rules

    Zu den Details
  • Richtlinie
    01.07.2013

    VDI 3819 Blatt 2

    Fire protection building services - Functions and correlations

    Zu den Details
  • Richtlinie
    01.01.2009

    VDI 3819 Blatt 3

    Fire protection in building services - Fire protection planning and briefing - Obligations, contents and documentation

    Zu den Details
  • Richtlinie
    01.12.2023

    VDI 3822

    Failure analysis - Fundamentals and performance of failure analysis

    Zu den Details
  • Richtlinie
    01.12.2017

    VDI 3822 Blatt 1.2

    Failure analysis - Failures of metallic products caused by corrosion in aqueous media

    Zu den Details
  • E
    Richtlinie
    01.01.2025

    VDI 3822 Blatt 1.2

    Failure analysis - Failures of metallic products caused by corrosion in aqueous media

    Zu den Details
  • Richtlinie
    01.06.2021

    VDI/BTGA/GIH 3922 Blatt 1

    Energy consultancy - Energy consultancy process and methods

    Zu den Details
  • Richtlinie
    01.01.2019

    VDI/BTGA-MT 3922 Blatt 2

    Energy consultancy - Competence assessment of energy consultants

    Zu den Details
  • Richtlinie
    01.06.2018

    VDI 3985

    Principles for the design, construction, and acceptance of combined heat and power plants with internal combustion engines

    Zu den Details
  • Richtlinie
    01.04.2020

    VDI 3988

    Solar thermal process heat

    Zu den Details
  • Richtlinie
    01.01.2012

    VDI 4600

    Cumulative energy demand (KEA) - Terms, definitions, methods of calculation

    Zu den Details
  • Richtlinie
    01.08.2015

    VDI 4600 Blatt 1

    Cumulative energy demand - Examples

    Zu den Details
  • Richtlinie
    01.12.2022

    VDI 4608 Blatt 1

    Energy systems - Combined heat and power - Fundamentals and examples

    Zu den Details
  • Richtlinie
    01.06.2025

    VDI 4608 Blatt 2

    Energy systems - Combined heat and power - Allocation and evaluation

    Zu den Details
  • Richtlinie
    01.01.2018

    VDI 4610 Blatt 1

    Energy efficiency of industrial installations - Thermal insulation

    Zu den Details
  • Richtlinie
    01.12.2018

    VDI 4610 Blatt 2

    Energy efficiency of operational installations - Thermal bridges catalogue

    Zu den Details
  • E
    Richtlinie
    01.12.2021

    VDI 4640 Blatt 1

    Thermal use of the underground - Fundamentals, approvals, environmental aspects

    Zu den Details
  • Richtlinie
    01.06.2019

    VDI 4640 Blatt 2

    Thermal use of the underground - Ground source heat pump systems

    Zu den Details
  • Richtlinie
    01.04.2020

    VDI 4640 Blatt 2 Berichtigung

    Thermal use of the underground - Ground source heat pump systems, Corrigendum concerning standard VDI 4640 Part 2:2019-06

    Zu den Details
  • Richtlinie
    01.04.2023

    VDI 4645

    Heating systems with heat pumps in single and multi-family houses - Planning, construction, operation

    Zu den Details
  • E
    Richtlinie
    01.03.2026

    VDI 4645

    Heating systems with electrically powered heat pumps in single and multi-family houses - Planning, construction, operation

    Zu den Details
  • Richtlinie
    01.07.2023

    VDI 4645 Berichtigung

    Heating systems with heat pumps in single and multi-family houses - Planning, construction, operation

    Zu den Details
  • Richtlinie
    01.04.2023

    VDI-MT 4645 Blatt 1

    Heating systems with heat pumps in single- and multi-family houses - Planning, construction, operation - Trainings, examinations, certifications of qualification

    Zu den Details
  • Richtlinie
    01.01.2026

    VDI-MT 4645 Blatt 2

    Heating systems with heat pumps in single- and multi-family houses - Planning, construction, operation - Training, examinations, certifications of qualification - Integration into university courses and curricula of in-service educational institutions

    Zu den Details
  • Richtlinie
    01.02.2024

    VDI 4650 Blatt 1

    Calculation of the seasonal coefficient of performance of heat pumps - Electric heat pumps for space heating and domestic hot water

    Zu den Details
  • Richtlinie
    01.08.2024

    VDI 4650 Blatt 1 Berichtigung

    Calculation of the seasonal coefficient of performance of heat pumps - Electric heat pumps for space heating and domestic hot water - Corrigendum concerning standard VDI 4650 Part 1:2024-02

    Zu den Details
  • Richtlinie
    01.01.2013

    VDI 4650 Blatt 2

    Simplified method for the calculation of the annual heating energy ratio and the annual gas utilisation efficiency of sorption heat pumps - Gas heat pumps for space heating and domestic hot water

    Zu den Details
  • Richtlinie
    01.07.2024

    VDI 4650 Blatt 3

    Calculation of the seasonal coefficient of performance of heat pump systems - Fundamentals, terms, and definitions of multifunctional ventilation units with heat pumps

    Zu den Details
  • Richtlinie
    01.07.2021

    VDI 4655

    Reference load profiles of residential buildings for power, heat and domestic hot water as well as reference generation profiles for photovoltaic plants

    Zu den Details
  • Richtlinie
    01.09.2013

    VDI 4656

    Design and dimensioning of micro combined heat and power plants

    Zu den Details
  • Richtlinie
    01.12.2025

    VDI 4657 Blatt 2

    Planning and integration of energy storage tanks into building energy systems - Thermal energy storage tanks (TES)

    Zu den Details
  • Richtlinie
    01.08.2023

    VDI 4657 Blatt 3

    Planning and integration of energy storage systems in energy building systems - Electrical storage

    Zu den Details
  • Richtlinie
    01.04.2018

    VDI 4682 Blatt 1

    Principles for servicing work on heat and power producers - Fundamentals and notes for the drafting of service contracts from the technical perspective

    Zu den Details
  • Richtlinie
    01.04.2018

    VDI 4682 Blatt 2

    Principles for servicing work at heat and power producers - Micro-combined heat and power systems

    Zu den Details
  • Richtlinie
    01.10.2018

    VDI 4682 Blatt 3

    Principles for servicing work on heat and power producers - Gas and oil condensing boilers

    Zu den Details
  • Richtlinie
    01.10.2015

    VDI 4700 Blatt 1

    Terminology of civil engineering and building services

    Zu den Details
  • Richtlinie
    01.11.2015

    VDI 4700 Blatt 1 Berichtigung

    Terminology of civil engineering and building services - Corrigendum concerning guideline VDI 4700 Part 1:2015-10

    Zu den Details
  • E
    Richtlinie
    01.08.2018

    VDI 4700 Blatt 1.1

    Terminology of civil engineering and building Services - Addition 1

    Zu den Details
  • E
    Richtlinie
    01.07.2018

    VDI 4700 Blatt 1.2

    Terminology of civil engineering and building services - Addition 2

    Zu den Details
  • E
    Richtlinie
    01.03.2019

    VDI 4700 Blatt 1.3

    Terminology of civil engineering and building Services - Addition 3

    Zu den Details
  • Richtlinie
    01.05.2015

    VDI 4700 Blatt 3

    Terminology of civil engineering and building services - Symbols (building services)

    Zu den Details
  • Richtlinie
    01.05.2015

    VDI 4703

    Facility Management - Life-cycle-cost-based tender

    Zu den Details
  • Richtlinie
    01.07.2014

    VDI 4704

    Water heating installations - Water quality, pressure maintenance, deaeration - Trainings

    Zu den Details
  • Richtlinie
    01.07.2012

    VDI 4708 Blatt 1

    Pressure maintenance, venting, deaeration - Pressure maintenance

    Zu den Details
  • Richtlinie
    01.04.2022

    VDI 4708 Blatt 2

    Pressure maintenance, venting, deaeration - Venting and deaeration

    Zu den Details
  • Richtlinie
    01.03.2013

    VDI 4710 Blatt 1

    Meteorological data for building-services purposes - Non-European climatic data

    Zu den Details
  • Richtlinie
    01.03.2011

    VDI 4710 Blatt 3

    Meteorological data for the building services - t,x correlations from 1991 to 2005 for 15 climatic zones in Germany

    Zu den Details
  • Richtlinie
    01.09.2015

    VDI 4710 Blatt 4

    Meteorological data for the building services - t,x correlations and wind statistics for 122 European cities

    Zu den Details
  • Richtlinie
    01.03.2014

    VDI 6002 Blatt 1

    Solar heating for potable water - Basic principles - System technology and application in residential buildings

    Zu den Details
  • Richtlinie
    01.03.2014

    VDI 6002 Blatt 2

    Solar heating for potable water - Application in students accomodations, senior citizens' residences, hospitals, swimming baths and camping sites

    Zu den Details
  • Richtlinie
    01.06.2006

    VDI 6004 Blatt 1

    Protection of Building Services - Flood - Buildings, installations, equipment

    Zu den Details
  • Richtlinie
    01.05.2009

    VDI 6004 Blatt 3

    Protection for building services - Vandalism or destruction of property

    Zu den Details
  • Richtlinie
    01.06.2015

    VDI 6007 Blatt 1

    Calculation of transient thermal response of rooms and buildings - Modelling of rooms

    Zu den Details
  • Richtlinie
    01.03.2012

    VDI 6007 Blatt 2

    Zu den Details
  • Richtlinie
    01.06.2015

    VDI 6007 Blatt 3

    Calculation of transient thermal response of rooms and buildings - Modelling of solar radiation

    Zu den Details
  • Richtlinie
    01.04.2014

    VDI 6012 Blatt 1.1

    Integration of distributed and renewables based energy systems in buildings - Fundamentals - Project planning and execution

    Zu den Details
  • Richtlinie
    01.01.2016

    VDI 6012 Blatt 1.2

    Integration of distributed and renewables-based energy systems in buildings - Fundamentals - System selection

    Zu den Details
  • Richtlinie
    01.01.2016

    VDI 6012 Blatt 1.4

    Integration of distributed and renewables-based energy systems in buildings - Fundamentals - Fixing of solar modules and solar collectors on buildings

    Zu den Details
  • Richtlinie
    01.12.2015

    VDI 6012 Blatt 2.1

    Integration of distributed and renewables-based energy systems in buildings - Thermic systems - Biomass firing systems

    Zu den Details
  • Richtlinie
    01.12.2016

    VDI 6014

    Energy conservation by application of variable speed drives (VSD) in building services

    Zu den Details
  • Richtlinie
    01.12.2022

    VDI 6020

    Requirements to be met by calculation methods for the simulation of thermal-energy efficiency of buildings and building installations

    Zu den Details
  • Richtlinie
    01.11.2012

    VDI 6025

    Economy calculation systems for capital goods and plants

    Zu den Details
  • Richtlinie
    01.08.2022

    VDI 6026 Blatt 1

    Documentation in the building services (BS) - Contents and format of planning, execution, and review documents

    Zu den Details
  • Richtlinie
    01.04.2015

    VDI 6026 Blatt 1.1

    Documentation in the building services - Contents and format of planning, execution and review documents - Requirements to be met by the documentation to satisfy the needs of the FM

    Zu den Details
  • Richtlinie
    01.09.2022

    VDI 6028 Blatt 1

    Assessment criteria for building services - Fundamentals

    Zu den Details
  • Richtlinie
    01.11.2013

    VDI 6028 Blatt 1.1

    Assessment criteria for Building Services - Technical quality for sustainable buildings

    Zu den Details
  • Richtlinie
    01.05.2025

    VDI 6030 Blatt 1

    Planning and dimensioning of space heating and cooling - Fundamentals

    Zu den Details
  • Richtlinie
    01.12.2020

    VDI 6036

    Fasteners of radiators - Requirements for planning and design

    Zu den Details
  • Richtlinie
    01.06.2011

    VDI 6039

    Facility management - Managing of building commissioning - Methods and procedures for building-services installations

    Zu den Details
  • Richtlinie
    01.07.2017

    VDI 6041

    Facility management - Technical monitoring of buildings and building services

    Zu den Details
  • Richtlinie
    01.04.2023

    VDI/BTGA 6044

    Prevention of damage in cold and cooling water circuits

    Zu den Details
  • Richtlinie
    01.12.2017

    VDI 6050

    Assessing the sustainability of the built environment - Training of professionals

    Zu den Details
  • Richtlinie
    01.06.2024

    VDI 6070 Blatt 1

    Room book - General requirements and fundamentals

    Zu den Details
  • Richtlinie
    01.10.2006

    VDI 6600 Blatt 1

    Project engineer - Knowledge profile

    Zu den Details
  • Richtlinie
    01.01.2009

    VDI 6600 Blatt 2

    Project engineer - Requirements for qualification

    Zu den Details
  • Richtlinie
    01.05.2021

    VDI-MT 6602 Blatt 1

    Project engineer in projects with external team members - Knowledge profile

    Zu den Details
  • Richtlinie
    01.09.2021

    VDI-MT 6602 Blatt 2

    Project engineer in projects with external team members - Requirements for qualification

    Zu den Details
  • E Entwurf
  • Ü Überprüft und bestätigt
  • ZA Zurückziehung angekündigt
  • Zurückgezogen
  • P Projekt