Replacing of a mast in an existing membrane structure without dismanteling or disturbing the usage area.

Fine adjustment of poles, mast, membrane and tie downs.  Covering the tie downs with material to prevent casualties among the visitors.

Lifting a pre-assembeled mast into a special tubelar foundation unit.

By filling sand into the foundation the mast will rise and tension the membrane.

Investigating and documentation of an old membrane structure. the membrane has belt edges.

Big lift of a cone structure.

Installation of the second layer membrane to a frame structure. The membrane structure is like a cushion and has on top as on the bottom a double curvature.

Mounting of a high-point with rope and lever-technology

Montages of a high-point with qualified height-workers