DIN Standards Committee Water Practice
Sands and gravels for well construction - Requirements and testing
Sande und Kiese für den Brunnenbau - Anforderungen und Prüfverfahren
This standard is an updated new edition. The requirement and tests for sands and gravels for well construction are specified. The sands and gravels are introduced as filter layers during construction of drilled wells. The standard has been prepared by Working Committee NA 119-04-11 AA "Brunnenbau" ("Well construction") at NAW.