Silo cleaning with rope-supported technology: Effective removal of foreign body contamination in a plastic granulate silo system

Silo cleaning with rope-supported technology: Effective removal of foreign body contamination in a plastic granulate silo system

Execution report: Silo cleaning with rope-supported work and access technology


As part of an order to clean a plastic granulate silo system, our company was commissioned to carry out a silo cleaning. The silo cleaning was necessary to remove foreign body contamination caused by the logistician. This contamination poses a potential risk to the plant operators as it can cause machine damage, quality problems and customer relationship issues. Our aim was to completely empty the silo facility and clean it so that it was in a clean and safe condition. This report serves to describe and document the silo cleaning process in detail.

Preparation for silo cleaning

Thorough preparation was carried out before the actual cleaning work began. This included a comprehensive risk analysis to identify potential hazards and take appropriate safety precautions. A team of specialized employees was put together who had extensive experience in silo cleaning and in the use of rope access equipment.

Carrying out the silo cleaning

3.1. Safety measures
The first step was to take the necessary safety measures. All employees were provided with personal protective equipment, including helmets, goggles, gloves and safety belts. A detailed safety briefing was carried out to raise awareness of potential risks and ensure that all safety guidelines were followed.

3.2. Emptying the silo
To begin cleaning, the silo had to be completely emptied. For this, appropriate measures were taken to safely complete the granulate removal. By using special emptying systems and gravity drains, the granulate was removed from the silo in a controlled and efficient manner.

3.3. Inspection and identification of foreign objects
After the silo was emptied, a thorough inspection of the interior could be carried out, looking for foreign objects such as plastic waste, metal parts or other contaminants. The rope-assisted work and access technology enabled employees to work safely and effectively in hard-to-reach places and identify all potential contamination.

3.4. Removal of foreign objects
Once foreign objects were identified, they were carefully removed. Various tools and equipment were used to safely remove the

foreign objects from the silo. The rope access technique enabled employees to make precise and controlled movements to grab and retrieve the foreign objects. Special care was taken to avoid damage to the silo walls and other equipment.

3.5. Cleaning the silo
Once all foreign objects had been removed, the actual cleaning of the silo could begin. This included removing dust, dirt and other contaminants that had accumulated over time. Special cleaning agents and equipment were used to thoroughly clean the surfaces and ensure that no residue was left behind. Careful rinses with water were carried out to remove all cleaning agent residue.

3.6 Final work
Once the silo had been thoroughly cleaned, final checks were carried out to ensure that all foreign bodies had been removed and that the silo was in perfect condition. Measures were also taken to ensure that the emptying and cleaning processes were properly documented. This included recording data such as time of cleaning, actions taken, materials used and any findings during the process.

Quality control and documentation

Quality assurance played a crucial role in the entire silo cleaning process. Regular checks were carried out to ensure that all steps were carried out in accordance with the established quality standards and customer specifications. Particular attention was paid to ensuring that all foreign objects were thoroughly removed and that no potential sources of contamination remained.

Documentation was an important part of the execution report. Detailed records were kept of the entire process, including the personnel employed, the equipment used, the methods applied and the results achieved. This enabled complete traceability and served as evidence that the silo cleaning was carried out correctly.


The silo cleaning in the plastic granulate silo plant was successfully carried out using rope-assisted work and access technology. The thorough emptying, inspection and removal of foreign objects significantly reduced the risk of contamination. The silo was cleaned to the highest quality standards to ensure that the cleaned condition gave no cause for concern.
The extensive documentation enabled a comprehensible record of all steps carried out, which ensures comprehensive evidence. This is particularly important in order to ensure clear traceability in the event of quality problems or any damage and to clarify any liability issues.

The rope-supported work and access technology proved to be extremely effective and safe for carrying out the silo cleaning. It allowed employees to safely access hard-to-reach areas of the silo and ensured precise and controlled removal of foreign objects. This prevented potential damage to the silo walls and other parts of the plant.
The regular safety measures and training helped to ensure that silo cleaning was carried out safely and that no accidents or injuries occurred. Awareness of potential hazards and adherence to safety guidelines were of paramount importance to ensure a safe working environment.

In summary, the silo cleaning was successfully completed using rope access technology. The thorough emptying, inspection, removal of foreign objects and subsequent cleaning ensured that the silo facility was left in a clean and safe condition. The comprehensive documentation ensures that all steps are traceable and can be used as evidence if required. Silo cleaning helps to prevent potential damage, quality problems and disruptions to customer relations, thus ensuring the smooth operation of the system.

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