Remediation Edewecht

Remediation of a contaminated construction site of the municipality of Edewecht.

Client municipality of Edewecht
Accompanying engineering office Böker and Partner in Oldenburg.

Start of the measure 12.06.2017.

Completion and handover of the construction field 24.07.2017 without defects and with special commendation of the client and the trade supervisory office. Remediation execution was carried out with black/white areas and under supervision of the Trade Inspection Office.

Quantity of disposal to be carried out daily 500 tons. Total amount of contaminated construction area 8850,00 tons. After setting up the individual areas according to specifications by the engineering firm Böker und Partner, the excavated material was prepared, loaded onto truck trains and transported to the Mansie landfill site.

After the necessary soil and water samples had been taken, the excavation pit was backfilled step by step with filling sand and compacted by means of a large roller. The separation of the pit edges from the neighboring properties was carried out with a foil system, seams were joined using a welding process.

Subsequently, topsoil was applied over the entire area and grass seed was sown.

Vehicles and equipment used:

• 2 Atlas wheel loaders
• 1 Bomag large roller
• 1 Atlas wheeled excavator
• 1 excavator with pollutant filter system
• 6 truck-trailer combinations
• 4 trucks 4-axle
• dewatering with vacuum pump, suction baskets and flushing lances