Gas stations and tank farms
Filling stations and tank storage facilities are LAU facilities in the classic sense, with the “A” for filling (Abfüllen) substances hazardous to water in the foreground. The requirements formulated in § 62 of the Water Resources Act (WGH) for the handling of substances hazardous to water are specified for the water technical installations listed here in accordance with DWA-A 781 (TRwS 781) : applies to filling stations for motor vehicles:
All of these regulations generally require double-walled tanks and at least fully welded or bonded drainage piping. In addition, all other components such as road gullies and wall penetrations must comply with the regulations.