NA 005

DIN Standards Committee Building and Civil Engineering

Standards [CURRENT]

DIN 4123
Excavations, foundations and underpinnings in the area of existing buildings

Title (German)

Ausschachtungen, Gründungen und Unterfangungen im Bereich bestehender Gebäude


This standard applies to excavations and foundation works next to existing buildings, as well as common underpinning of parts of the building in narrow strips, using brickwork, concrete or reinforced concrete. It states how these works can be carried out such that stability and usability of the existing buildings are maintained, and which evidence is to be provided for this. The committee responsible for this standard is NA 005-05-14 AA "Unterfangungsarbeiten" ("Underpinning work") at DIN.

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 005-05-14 AA - Underpinning works 

Edition 2013-04
Original language German
Price from 67.90 €
Table of contents


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