Zweckverband Thermalsolbad Bad Staffelstein Tender

Contract notice: domestic water wells For the irrigation of outdoor facilities and for cooling purposes of the thermal wastewater, the obermain therme in bad staffelstein needs two further, quaternary, domestic water wells in addition to the existing domestic water wells.Essentially, the contractor (to) ff. has to provide the following construction work: securing evidence of used areas and access routes adapting the drilling equipment installation areas to your own requirements performing two bores with a final boring diameter of 600 mm and depths of 8.50 m and 9.60 m . · execution of clear pumping in the cased borehole or flushing exchange · expansion of the bores to pvc domestic water wells in accordance with the expansion plan according to dvgw regulations with pvc hard, wall thickness adapted to the static conditions and installation depths, connections must be secured with shrink sleeves. specifications for bü · intensive sanding · place clay pellets as a counter-filter in the annular space · place a barrier up to 6.0 m and gok using a cement-bentonite suspension · carry out a pumping test lasting approx. 72 h to determine quantitative and qualitative parameters as a basis for later further planning · installation of buoyancy-protected concrete eighth approx. 2x2x2.50 m · tv-inspection of the wells for acceptance according to vob / b · documentation (expansion plan, list of shifts, pumping tests) taking into account the records of the office