Construction project: Site clearance and bored pile foundation in the Zeitz Industrial Park together with our consortium partner Naumburger Bauunion GmbH

Client: Infra-Zeitz Servicegesellschaft mbH

Place of execution: Zeitz

Construction time: 12 months (May 2024-May 2025)

Scope of services:

• Clearance of construction site of approx. 90,000 m²

• Removal of contaminated soil and munitions from World War II (10 tons of ammunition scrap (splinters) and 10 bomb finds; 9 American and British unexploded bombs were successfully defused on site by the bomb disposal team and one was detonated in a controlled manner)

• Approximately 300,000 m³ of excavated soil was moved and screened in a screening plant over the project period

• Demolition and subsequent crushing of unknown foundations of old buildings and underground facilities totalling almost 20,000 m³ of concrete rubble using a crushing plant

• Subsequent special foundation engineering together with Jacbo Bohrpfahlgründung GmbH: Erection of 650 bored piles with a diameter of up to 1 m to a depth of almost 20 m

• Loading of contaminated drilling material into gas-tight containers and subsequent disposal

Technical and device- specific features:

• Earth-moving machines (crawler excavators) equipped with reinforced underbody, bulletproof glass and pressurised cabins