Inspection Entity
As an officially recognized testing center for flow measuring systems and throttle devices we offer the following testing services to you:
- Inspection of throttle devices according to SüwV Kan and EKVO
- Inspection of flow measurement points according to SüwV-kom and EKVO
Experience and expertise from the inspection of about 1,000 flow-measurement devices and about 2,300 throttling devices, combined with state-of-the-art measurement engineering guarantee reliable inspection results and a minimal effort for the operators.
Also check Service & Downloads for our current certificates.
Inspection of flow measurement points according to SüwV-kom and EKVO
Motivation
Flow measurement devices in sewage plants serve, among other things, the purpose of assessing and calculation sewage charges. Our experience shows that measurement results are often too high and thus unjustly lead to excessive sewage charges – often without the operator of the plant being aware of it.
Demands of the Regulations
The federal self-monitoring ordinances for operators of such plants lead to an obligation for verification.
Planning
- Inspection of technical documents of the flow measurement devices as well as construction and site plans
- Establishing an exact schedule for the measurement campaign (Of course, in coordination with you!)
Execution
- Visual assessment of the flow measurement devices
- Installation of the reference instruments of measurement
- Reference measurement under conditions of operation
- Inspection report
Inspection of flow control or metering valves according to SüwVO Abw and EKVO
Motivation
Flow control and metering valves restrict the effluent flow into the following channel or sewer network. False tuning or settings result in an imbalance of the system of sewage network/rainwater basin and outlet channels/sewage plant.
This imbalance can cause extensive consequences:
- Lower deviation of the water supposed to go through the throttle
- Increased input of dirt load into the water due to increased discharge
- More frequently exhaustion of the basin level
- Exceedance of the water supposed to go through the throttle
- The capacity of the basis is not exploited.
- Hydraulic overload of the following channel/ sewer network and the sewage plant.
- Violation of the discharge rates noted in the permit notification.
Demands of the Regulations
There has to be an inspection of the flow control and metering valves every 5 years according to SüwVO Abw and EKVO.
Planning
- Inspection of technical documents of the flow control and metering valves as well as construction and site plans
- Establishing an exact schedule for the measurement of the throttles (Of course, in coordination with you!)
Execution
- Filling the retention system (client´s responsibility); options for a long-term measurement are available if filling the basin is not possible.
- Visual assessment of the throttles
- Installation of the reference instruments of measurement (flow rate and filling level)
- Reference measurement under conditions of operation in order to issue the QH curve
- Inspection report
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