Region Hannover Team Zentrale Submissionen -30.02- | Published October 17, 2016 - Deadline November 15, 2016
. Demolition and renovation of an observation tower on Steinhude carpentry Scope: The wooden structure of the existing tower is dismantled down to the 4 fountain ring foundations and their concreted steel plates. The new wooden structure of the tower is to build on the foundations vorhanenden fountain ring and has dimensions of about 3.60m x 3.60m x 7,90m (see structure diagram). The armature structure (steel plates from wells Ring foundations) for connecting the timber structure remains. The exact dimensions are to be taken before the start of production on site. The wooden structure is adapted if necessary. The existing bar construction before the tower is, as far as necessary, dismantled, temporarily store and restore after the completion of the tower. 2. Specifications for wood type and quality leisure exposed to weathering and subsequently difficult exchanged woods (supports, edge beams, diagonals and ridge beams are made of oak (LH D30, duration haftigkeitsklasse 2) corresponding to the hazard class 3 according to DIN EN execute 460th There are only the species quercus petraea and / or quercus robur to use. All other woods are made of larch (NH C24) perform.