Fire damage clearance in Quartz Works Hohenbocka

Client:

Quarzwerke GmbH

Project management TVF:

Region South/East

Time frame:

Begin: 01 March 2007; End: 24 April 2007

Job description:

The processing facilities in Quartz Works Hohenbocka were destroyed in a large fire.

Special factors:

The intense heat caused serious deformation of the buildings leaving them under tension, in some cases load-bearing girders were torn from their mountings.

The deconstruction was completed on the basis of a special working plan in conformance with mining laws, some sections requiring appropriate statically calculated technology. All operations were completed from the safety cage from top to bottom.

Quantity details:

Building length circa 60 metres, width circa 25 metres, height circa 30 metres

Steel construction circa 2,000 tons

Machinery used:

• Two 100 ton cranes
• Hitachi KH 125 cable excavator with 35 metres operational range
• Various smaller cranes
• Hydraulic excavator LH 932 with a scrap shear for the preparation and loading of the scrap