Fundamentals
Cleaning measures
Development of the cleaning plan
Cleaning strategy
Optimization of the cleaning effort
Determination of cleaning intervals
Objectives of a demand and condition orientated cl...
Development of a demand and condition oriented cle...
Step 1: Review and description of the drain and se...
System and Network data
System and Network data – Example invert gradien...
System and Network data – Example invert gradien...
System and Network data – Further aspects
System and Network data – „On site knowledge�...
Step 2: Development of a cleaning plan
Development of a cleaning plan – Steps
Determination of the required cleaning effort
Manhole inspection – Visual method
Manhole inspection – Mirroring
Manhole inspection – CCTV camera
Special methods for measuring the deposit amounts
Special methods for measuring the deposit amounts ...
Classification and assessment of deposits
Classification and assessment of deposits Determi...
Strategic cleaning planning
Strategic cleaning planning: Prioritization and ar...
Strategic cleaning planning: Determination of the ...
Strategic cleaning planning: Updating
Operative cleaning planning
Operative cleaning planning (2)
Operative cleaning planning: Aspects to be conside...
Operative cleaning planning: Aspects to be conside...
Operative cleaning planning: Aspects to be conside...
Operative cleaning planning: Aspects to be conside...
Operative cleaning planning: Optimization of the o...
Optimization of the operating parameters: Example ...
Optimization of the operating parameters: Example ...
Optimization of the operating parameters: Example ...
Optimization of the operating parameters: Example ...
Example of a flushing plan
Step 3: Carrying out the respective cleaning servi...
Cleaning
Cleaning – Disposal of the waste material
Cleaning – Disposal of waste material
Cleaning – Disposal of waste material (2)
Cleaning – Disposal of waste material (3)
Cleaning – Disposal of waste material (4)
Cleaning – Disposal of waste material (5)
Step 4: Quality control
Inspection specifications
Performance indicators
Quality control – Diagram
Acceptance protocol
Acceptance protocol (2)
Acceptance protocol (3)
Acceptance protocol (4)
Assessment methods
Other questions
Summary
The visual inspection of the manhole is used to determine the deposit amounts, and to assess the structural condition of the manhole including defective grates, access ladders, and trash traps.
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