Valorization in agriculture by controlled spreading of lime-treated sludge from the Lantin post-liming center located rue de la Berwinne 2 in 4450 Juprelle (lot 1), from the Wegnez water treatment plant, rue de Vovegnez, 47 to 4860 Pepinster (lot 2), the Grosses-Battes wastewater treatment plant located rue du Canal de l'Ourthe in 4030 Liège (lot 3) and the Membach wastewater treatment plant located rue du Moulin, 4 at 4837 Baelen ( lot 4).

Carrying out the sludge samples and analyzes required on the four sites concerned by lots 1 to 4 (lot 5).

- transport of sludge to spreading plots or storage location (s) other than the edges of fields with, with the exception of the Wegnez wastewater treatment plant, immediate exchange of containers to be evacuated by identical empty containers ;

- storage of sludge, excluding spreading plots, if required;

- the recovery of percolation juices if the sludge is stored, outside the edges of fields, on a sealed surface and the transport of these to a purification station, if required;

- loading and transport, if any, of sludge from the storage location (s) to the spreading plots;

- spreading of sludge on agricultural plots;

- complete agronomic monitoring of agricultural development;

- complete preparation of agronomic and administrative monitoring documents relating to the agricultural valuation sector;

- sending to the contracting authority all the documents required by the latter, in particular all the results of analyzes of the stored sludge;

- drafting of a final sludge recovery report;

- the provision by the successful tenderer of eight sludge containers with a minimum useful unit volume of 20 m 3 ;

- weighing of limed sludge on the weighbridge on the Lantin site.

- transport of sludge to spreading plots or storage location (s) other than the edges of fields with, with the exception of the Wegnez wastewater treatment plant, immediate exchange of containers to be evacuated by identical empty containers ;

- storage of sludge, excluding spreading plots, if required;

- the recovery of percolation juices if the sludge is stored, outside the edges of fields, on a sealed surface and the transport of these to a purification station, if required;

- loading and transport, if any, of sludge from the storage location (s) to the spreading plots;

- spreading of sludge on agricultural plots;

- complete agronomic monitoring of agricultural development;

- complete preparation of agronomic and administrative monitoring documents relating to the agricultural valuation sector;

- sending to the contracting authority all the documents required by the latter, in particular all the results of analyzes of the stored sludge;

- drafting of a final sludge recovery report;

- weighing of limed sludge on a weighbridge outside the treatment plant;

- the transfer, if it occurs, of the unlimed sludge to the Lantin post-liming center.

- transport of sludge to spreading plots or storage location (s) other than the edges of fields with, with the exception of the Wegnez wastewater treatment plant, immediate exchange of containers to be evacuated by identical empty containers ;

- storage of sludge, excluding spreading plots, if required;

- the recovery of percolation juices if the sludge is stored, outside the edges of fields, on a sealed surface and the transport of these to a purification station, if required;

- loading and transport, if any, of sludge from the storage location (s) to the spreading plots;

- spreading of sludge on agricultural plots;

- complete agronomic monitoring of agricultural development;

- complete preparation of agronomic and administrative monitoring documents relating to the agricultural valuation sector;

- sending to the contracting authority all the documents required by the latter, in particular all the results of analyzes of the stored sludge;

- drafting of a final sludge recovery report;

- the provision by the successful tenderer of six sludge containers with a minimum useful unit volume of 12 m 3 ;

- weighing of limed sludge on a weighbridge outside the treatment plant;

- the transfer, if it occurs, of the unlimed sludge to the Lantin post-liming center.

- transport of sludge to spreading plots or storage location (s) other than the edges of fields with, with the exception of the Wegnez wastewater treatment plant, immediate exchange of containers to be evacuated by identical empty containers ;

- storage of sludge, excluding spreading plots, if required;

- the recovery of percolation juices if the sludge is stored, outside the edges of fields, on a sealed surface and the transport of these to a purification station, if required;

- loading and transport, if any, of sludge from the storage location (s) to the spreading plots;

- spreading of sludge on agricultural plots;

- complete agronomic monitoring of agricultural development;

- complete preparation of agronomic and administrative monitoring documents relating to the agricultural valuation sector;

- sending to the contracting authority all the documents required by the latter, in particular all the results of analyzes of the stored sludge;

- drafting of a final sludge recovery report;

- the provision by the successful tenderer of three sludge containers with a minimum useful unit volume of 12 m 3 ;

- weighing of limed sludge on a weighbridge outside the treatment plant;

- the transfer, if it occurs, of the unlimed sludge to the Lantin post-liming center.

- the samples of sludge on the four sites concerned by lots 1 to 4,

- analyzes of the sludge from the four sites concerned by lots 1 to 4,

- sending to the adjudicator all the results of sludge analyzes.