Any wastewater treatment plant should be installed according to the manufacturer's instructions.

To receive our installation guide, please fill in the contact form and detail your request..

Earthworks companies have the following duties:
- install the wastewater treatment plant according to the manufacturer's instructions;
- follow the specific requirement to install a wastewater treatment plant in Wallonia;
- give use instructions to the final user.

These are the main points to take into consideration when installing a wastewater treatment plant:

Advice to the user, compliance with requirements and final control

Earthworks companies must follow legal requirements. See here the summary (in French). 
Beyond these requirements, earthworks companies must follow manufacturer’s instructions and give use and maintenance instructions to the final user.

Installation of the WWTP

The WWTP must be placed outside the building and its location should consider (non-exhaustive list):
- how to access the construction site;
- the wastewater discharge distance;
- how to access the WWTP to desludge and maintenance it;
- the topography;
- the sewage disposal.

All these installation constraints but also soil type may have influence on the WWTP to choice. Please see the following examples:

 In case of water table

Priority to WWTP made with concrete tanks:
- BIO+® fibré / BIOPUR®  fibré
 Constraint of access and / or manipulation

Priority to WWTP made with polyethylene tanks

No access

Priority to tailored made WWTP


Priority to custom-made WWTP
- BIOPUR® Container
- BIOFRANCE® Container


Respect the tanks installation requirements

All our documentations refer to tanks installation requirements.

To receive our tanks installation requirements, please fill in the contact form and detail your request.

Some basic information (non-exhaustive list):

 Handling is very important 
Handled the tank using a lifting beam

The number of lifting points on the beam
= number of rings on the tank
 Handling is very important
Use lifting chains

- Chains having equal length
- Chains length ≥ tank diameter
Importance of the foundation

- Stable and horizontal base
- Adapted foundation
 Installation adapted according to the resistance of the tank
Always verify the maximal load accepted by the tank
Installation adapted according to the tank resistance
Installation according to the real load
Rackfill using rock-free earth
 After backfill 

Always fill the tank with water tank after backfill


Water and electrical connections, ventilation, access to maintenance service

Evacuation modes allowed in Wallonia