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Maintenance & Inspection of your tank system
Safety inspection & maintenance to prevent damage and extend service life
In the "Ordinance on Facilities for Handling Substances Hazardous to Water" (AwSV), the legislator has regulated the monitoring and inspection obligations of the operator as well as the plant documentation of tank systems.
Regular testing of the system's tightness and the functionality of the safety devices are also part of the
§46 AwSV regulated.
What many operators of a heating oil tank system do not know is that if there is damage to the building or even to the environment, the owner is liable, even if he is insured, unless he provides proof of regular inspections or the heating oil tank system no longer corresponds to the state of the art .
We recommend that you carry out regular maintenance and safety inspections of your tank system once a year, also as part of a maintenance contract, where we automatically remind you of the annual inspection due and arrange an appointment.
Scope of the safety inspection
Verification of functional safety by means of an optical inspection of the system and the visible connected lines and fittings
Each functional test of the oil tank includes the following criteria:
tightness on all sides
Brittleness of plastic and battery tanks
Corrosion and rust on metal tanks (external inspection)
condition of the supply and discharge lines
tightness and fit of the connections
Functional test of the limit switch
oil leak
Functional test of anti-siphon valve, if present
Checking the drip tray (for battery tank/basement tank systems)
Checking the dome shaft for leaks and cleanliness (for underground tanks)
Safety inspection and maintenance of the leak detector
With a leak warning device, leaks in the tank are reported in good time with a visual and acoustic signal. An annual inspection of the leak warning device by a WHG specialist company is required by law in accordance with the type approval.
In addition to the above-mentioned safety inspection, the maintenance of the leak detector includes the following service:
Checking the electrical connections.
Checking the individual switching points of the device (if there are deviations from the required values, the device is readjusted.)
Checking the general functional reliability, such as: checking the pump pressure and pump performance as well as leak testing the suction and measuring lines.
Cleaning of any filter in the suction line.
Final inspection (ventilation of the system until alarm pressure and testing of the alarm signal). After the final inspection has been carried out, the device is resealed.
For underground tanks, additionally check the flow of the leak fluid and check the leak warning device by pulling the leak probe out of the leak fluid container
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tank check before expert inspection
As a heating oil tank operator, you are certainly already familiar with the inspection periods for expert approval :
Underground heating oil tanks (stored in the ground) must be inspected every 5 years.
Above-ground heating oil tanks (e.g. stored in the basement) with a capacity of more than 10,000 liters must be inspected every 5 years.
The following applies to tank systems in water protection and flood areas :
Underground tank systems (stored in the ground) must be inspected every 2 1/2 years.
Above-ground tanks (e.g. stored in the basement) with a capacity of more than 1,000 liters must be inspected every 5 years.
Have your tank checked by us before the expert inspection so that any small defects can be repaired. We are also happy to advise you on the current state of the art and carry out small repairs on site so that the expert inspection is carried out without any defects.
Preparation of an audit report / functional report
After the inspection/maintenance, you will receive an inspection report from us including a functional assessment for your records . This will provide proof to both the authorities and the insurance company that you are fulfilling your operating obligations and that you can also be assured that your tank system complies with current legal regulations and is state-of-the-art.
Leaflet Operating Instructions § 44 AwSV
As an operator, you must have operating instructions that contain a monitoring, maintenance and emergency plan and specify immediate measures to prevent adverse changes in the properties of water bodies. Feel free to download the leaflet here and display it in a clearly visible place near the facility.
Depending on when the tank system is first put into operation, the inspection and control obligations for existing systems according to Section 70 of the Ordinance on Systems for Handling Substances Hazardous to Water (AwSV) are regulated as follows:
What are the inspection periods for existing systems?
Your responsible authority can also provide you with information about the respective inspection times and intervals for heating oil consumer systems inside and outside protected areas, risk areas or flood areas. The responsible authority can also provide you with information about whether your system is located in a risk, flood or protected area.
TAK – Umweltservice GmbH is your specialist company for the maintenance, cleaning, repair and renovation of all types of tanks, containers, technical systems, drains, channels and separators.
Call us today, we will be happy to advise you!