Excavation permit for minor construction work on a public utility line

Do you want to carry out minor construction work on a public utility line? Find out here how to obtain a permit for excavation.

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Detailed description

If you are carrying out minor structural modifications to existing factory, pipe or cable lines for public supply or drainage, you will need a permit to excavate.

 

Information

Prerequisites

  • They are
    • Manager or manager (male/female)
    • Network operator of a public supply line or
    • their service provider
  • You already have a right of way (for example, through a concession agreement).
  • Your application refers to a street in the sense of its naming.
  • Your request relates to an existing service to which a minor structural modification is to be carried out, or
  • Their request extends an already approved route by a maximum of 30 meters in longitudinal alignment.

Documents required

  • Current site plans at a scale of 1:500 based on the official real estate cadastre information system ALKIS digital, from which the following can be seen:
    • Location and extent of the area used
    • Space for necessary equipment, excavated material, barriers
    • Street and house numbers of the affected public roads
    • Clear identification and demarcation of the traffic types on the affected public roads (for example, roadway, footpath or cycle path),
    • Trees up to a distance of 5 meters from their crown drip line,
      • with exact location and diameter of trunk and crown drip line (in public spaces according to the data from the digital tree register)
  • If applicable: Permits relating to historic preservation, dike law and water law
  • If applicable: Approval from the construction site coordination
  • In case of representation: Written power of attorney

Please note

If you do not meet all the requirements, please refer to the linked services.

Deadlines

You need a permit before you begin excavating. The permit becomes invalid if you do not start work within 7 days of the date you specified in your application.

Procedure

  • They apply for permission to excavate a small area around existing pipes, submitting all necessary documents.
  • If several streets are affected in terms of naming, please submit a separate application for each street.
  • The responsible authority will review your application and may request further necessary documents or information from you.
  • The result of the test will be communicated to you in writing.

Processing time

Your application will usually be processed within 10 working days. More complex projects may take longer.

Fees

Administrative fees apply. The amount depends on the number of excavation sites and can therefore vary.

Legal remedies

Contradiction

Legal basis

Section 22 of the Hamburg Roads Act (HWG)


https://www.landesrecht-hamburg.de/bsha/document/jlr-WegeGHAV10P22

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Keywords: Excavation certificate Routes BauWeiser Supply lines

Last updated: 06.02.2026