Hamburg Street Cleaning Tests New Spreading Agents for Cycle Paths
Hamburg, February 8 – The Hamburg Street Cleaning department has initiated two pilot projects to test new spreading agents on cycle paths. These trials, focusing on sodium formate and liquid brine, aim to identify the most effective, environmentally friendly, and economical solutions for keeping cycle paths clear of snow and ice. The tests are expected to run for five years.
Sodium Formate Trial on Heidenkampsweg
One of the new agents being tested is sodium formate, a granular substance that can be applied using standard spreading vehicles. Johann Gerner-Beuerle from the Street Cleaning department explained that while sodium formate is effective and found in formic acid, it is also quite expensive to procure. This trial is being conducted on the Heidenkampsweg test section.
Liquid Brine Tested at Veritas- and Sandtorkai
Conversely, liquid brine is being tested on cycle paths at Veritas- and Sandtorkai. Gerner-Beuerle noted that while brine requires a technical conversion for application, the department can produce it themselves, making it a potentially more cost-effective option in the long run.
Long-Term Evaluation and Criteria
The decision on which agent will be used to clear Hamburg’s cycle paths of snow and ice will take time, as the pilot projects are designed to last for five years. Key criteria for evaluation include the effectiveness of the spreading agent in various weather conditions, its environmental compatibility, and its overall economic efficiency. These comprehensive trials underscore Hamburg’s commitment to finding sustainable and practical solutions for winter road maintenance.
Temporary Lifting of De-icing Salt Ban
In a related development, the city of Hamburg temporarily lifted its ban on de-icing salt for private use until February 13. This decision was made by the Senate in response to persistent sub-zero temperatures and the associated dangers for pedestrians. This temporary measure allows residents to use de-icing salt on their own paths and driveways to enhance safety.
Praise for Street Cleaning Efforts
Following the heaviest snowfall in 15 years, the Hamburg Street Cleaning department received commendation from the city hall for its efforts in managing the winter conditions.
Context: Broader Winter Maintenance Strategies
The testing of new spreading agents is part of a broader strategy by the Hamburg authorities to improve winter maintenance. While traditional methods like grit and sand are commonly used, the search for more efficient and environmentally sound alternatives is ongoing. The focus on cycle paths reflects the city’s commitment to promoting cycling as a sustainable mode of transport, even during winter months.
The current trials are crucial for gathering data on the performance of sodium formate and brine under real-world conditions. This data will inform future decisions regarding the city’s long-term winter service strategy, aiming to balance public safety with environmental protection and financial considerations.
The results of these pilot projects will be closely monitored, and insights gained will contribute to the development of best practices for winter maintenance in urban environments. The five-year duration allows for a thorough assessment across multiple winter seasons, accounting for varying weather patterns and their impact on the effectiveness of the tested materials.
Source: https://www.ndr.de/nachrichten/hamburg/neue-streumittel-hamburger-stadtreinigung-startet-pilotversuche,streusalz-112.html