Modernization of the Stadthalle Karlsruhe:
Execution of civil engineering and paved surfaces
Pipeline trench and excavation pit
approx. 200 m Construction of a pipeline trench 1.2m wide, 1.2m deep with a sand bed by means of shoring and manual shaft in the area of pipeline routing and tree roots
approx. 150 m3 disposal excavation
approx. 7 pcs excavation pit 5x5mx2.7m deep around well borehole with RCL
Bedding and compaction for wellhead prefabricated installation
approx. 2 pcs excavation pit 2x2x2m connection pipe entry building
Removal, storage and reinstallation of paved surfaces and production of new surfaces
Dismantling:
Pick up approx. 600 m² of concrete block pavement, clean it and store it on the property
Pick up approx. 300 m² of natural stone pavement, clean it and store it on the property
Pick up and dispose of approx. 20 m of damaged curbs
Dismantle approx. 5 manhole covers and store them on the property
Dismantle approx. 20 m of drainage channels and store them on the property
Replacement:
approx. 120 m² of new concrete block paving laid in bedding on base course
Approx. 480 m² of concrete block paving from storage site to bedding on base course
approx. 60 m² of new natural stone paving laid in bedding on base course
approx. 220 m² of natural stone paving from storage site to bedding on base course
Lay approx. 150 m² of top layer of sand-chippings mixture on a dynamic layer and base course
approx. 20 m installation of deep shelves
approx. 20 m insertion of new drainage channels
Well water shaft head structures
approx. 3 pcs extraction well shaft head as a prefabricated part consisting of
- Rectangular shaft clear dimension 2.4m x 1.6m x 2.0m (LxWxH) with
Recess in base plate 1x DN800 and 1x DN100
Recess wall pipe entry 1x DN250, 4x DN200
and 10x shaft stairs
- Cover plate SLW30 suitable for rectangular shaft with
Annular gap seal and annular shaft connection DN625
- Ring shaft DN625 400mm high
- Ring shaft lid SLW30 tight
- Steel truss IPE 100 over short shaft side with two
Head plates for wall mounting, centered over floor recess
DN800 to accommodate a chain hoist
- Well overflow slide flange DN 800 made of V4A for production
Transition between well filter pipe and shaft
- Manhole flange cover V4A DN 800 with coulters for 2x
Pump pipe flange DN80 (flange plate DN 200 for
Screw connection with flange cover with pipe flange at the top and
DN80, V4A) and 1x pump pipe flange DN50
(Flange plate DN 150 for screw connection with flange cover with
Pipe flange above and below DN50, V4A)
approx. 4 pcs swallowing well shaft head as a prefabricated part consisting of
- Rectangular shaft clear dimension 2.4m x 1.6m x 2.0m (LxWxH) with
Recess in base plate 1x DN800
Recess wall pipe entry 1x DN250, 3x DN200
and 10x shaft stairs
- Cover plate SLW30 suitable for rectangular shaft with
Annular gap seal and annular shaft connection DN625
- Ring shaft DN625 400mm high
- Ring shaft lid SLW30 tight
- Steel truss IPE 100 over short shaft side with two
Head plates for wall mounting, centered over floor recess
DN800 to accommodate a chain hoist
- Well overflow sliding flange DN 600 made of V4A for production
Transition between well filter pipe and shaft
- Manhole flange cover V4A DN 600 with coulters for 1x
Return pipe flange DN80 (flange plate DN 200 for
Screw connection with flange cover with pipe flange at the top and
below DN80, V4A)