Drainage and Sewer Maintenance Work
Published 5 January 2026
Location
Hannover, Lower Saxony, Germany
Suggested bid value
~EUR 250,000
Source
oev
Description
This public procurement notice from Hannover, Lower Saxony, Germany concerns maintenance of drainage and sewer systems. The core activity is likely to involve cleaning of sewers and drainage lines, which could include removing debris, blockages, and sediment using techniques such as jetting, rodding, or vacuuming. The 'TV inspection' requirement suggests a need for CCTV drain surveys to assess the condition of the pipes and identify defects. The reference to 'ISYBau standards' is notable. ISYBau refers to standards concerning electronic construction cost documentation, which implies a rigorous approach to record-keeping and data management throughout the project.
The project's scale and complexity are difficult to assess precisely without knowing the specific locations, lengths, and conditions of the sewer lines included. The location in Hannover suggests a potentially significant urban network. The 'general' trade category may indicate that the procurer is seeking a single contractor to handle all aspects of the maintenance work, from cleaning and inspection to potential minor repairs identified during the surveys. Contractors should consider their capacity to meet ISYBau documentation requirements.
Given the lack of a published deadline, contractors should promptly investigate to determine if the opportunity is still available and gather detailed tender documents. Obtaining the full tender will be vital to assess specific requirements, project scope, and evaluation criteria.
Original description
This is a contract for drainage and sewer maintenance work, including cleaning and TV inspection according to ISYBau standards.