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General notes
Standards and regulations
In general, all regulations for the technology are to be adhered to for the planning, mounting and operation of
solar installations.
Important standards and regulations are:
- BGI 656 Personal safety equipment against falling
- BGR 203 Working on roofs
- BGV A1 Basics of prevention
- BGV A2, A3 electrical equipment and machinery
- BGV C22 Building work
- Chemical act (ChemG)
- DIN 1055 Load assumptions for buildings
- DIN EN 1057 copper and copper alloys – seamless, round copper tubes for water and gas in sanitary and
heating applications
- Technical regulations of the DVGW
- DIN 1988 Technical regulations for drinking water – installations (TWRI)
- DIN EN 806 1-3 Technical regulations for drinking water – installations
- DIN EN 1717 Protection against pollution of potable water installations and general requirements of devices to
prevent pollution by backflow
- DIN 4753 Water heaters and hot water systems for drinking and service water
- DIN EN 1991 parts 1-4 Euro code 1
- DIN 4102 fire behaviour of building materials and building components
- DIN 4807 expansion vessels
- DIN EN 12897 water supply – specification for indirectly heated unvented (closed) storage water heaters
- DIN EN 12975 thermal solar systems and components parts 1 and 2
- DIN EN 12976–2 thermal solar systems and components parts 1 and 2
- DIN V ENV 12977-1 thermal solar systems and components parts 1 and 3
- DVGW work sheet GW2 connecting copper pipes for gas and water installations
- KTW recommendations 1-6
- DGVW work sheet W 270 propagation of microorganisms on materials for water supply systems – testing and
appraisal
- DGWV work sheet W551 heating and pipework systems for domestic water. Technical operations to reduce
the excessive growth of legionella, Planning, installation, operation and cleaning of drinking water installations
- EU pressure equipment directive DGR 97/23/WG
- EWG directive 89/336/EWG electromagnetic compatibility
- EWG directive 73/23/EWG low voltage
- EWG 89/292/EWG machinery directive
- EC regulation 91/155/EWG safety data sheets
- Dangerous substances order (GefStoffV)
- Technical guidelines for dangerous substances (TRGS 519)
- Rules of the Central Association of German Roofers (Zentralverband des Deutschen Dachdeckerhandwerks-
Fachverband Dach, Wand– und Abdichtungstechnik e.V.)
- Germany energy saving act (EnEV) – act on energy-saving heat insulation and energy-saving systems engi-
neering in buildings
- Directive on the promotion of measures on the use of renewable energy
- VDI 2067 Economic efficiency of building installations
- VDI 6002 Solar domestic hot water heating
- VDI 6012 Local energy systems in buildings
- Administrative regulation on the classification of substances hazardous to waters (VwVwS)
- Drinking water act (TrinkwV)
- VDEW directive
- DIN VDE 0100 (IEC 60364), Section 712 "Requirements for special installations or locations – Solar photo-
voltaic (PV) power supply systems"
- Regulations of local energy suppliers
- National building regulations
- Local building regulations
- Employers' Liability Insurance Association of the building industry -– working on roofs
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