The services of the construction status documentation (lot 1) and for vibration measurements for the two flood protection projects

Closure of the dike gap in the village of Himmelgeist, 1st area - "Schlossmeierhof", project abbreviation DIH01_1B

and

Closure of the dike gap in the village of Himmelgeist, 2nd area - "Direct location", project abbreviation DIH01_2B

are to be provided by a publicly appointed and sworn expert in the case of Lot 1 and by an engineering firm for vibration measurements in the case of Lot 2

As part of the dike rehabilitation and the construction of the flood protection systems, construction work

of various kinds, as well as the installation of sheet piles up to the normal earthworks with

to carry out appropriate compaction work. In this case, impairments of neighboring

Building fabric due to the general operation of the construction site, vibrations as a result of the introduction of

sheet piling and necessary compaction and subsoil subsidence.

The roads opened to construction site traffic are also subject to increased load and use.

delivered during the construction period.

On the basis of this state of affairs and the stipulations of the planning approval decisions of the district government

Düsseldorf on the redevelopment projects and the findings of the approval and

Implementation planning is intended to provide documentation of the state of construction for the planning and adjacent

area, as well as for the roads used. The commissioning of the

Documentation of the state of construction of roads and buildings by the municipal drainage company of the

The state capital of Düsseldorf is intended to prevent unjustified claims for damages.

but to prevent any damage that may have occurred to the neighbouring and direct building fabric.

and find a basis for compensation.

Measures are in place in the area of several buildings (see also Appendix Building Description)

where tremors are to be expected. Therefore,

Vibration measurements required. Vibration measurements must be carried out on

relevant bodies in the context of this work.

Decisive for the execution of the measurements are the conditions and requirements of the

DIN 4150. The vibration measurements are carried out with standardized measuring instruments and -

procedures in accordance with DIN 45669.

Construction of both areas is scheduled to begin at the end of 2023. The execution of the

In some cases, construction work is carried out in parallel in several construction phases.

at the same time in two or more construction phases work, such as earthworks, the insertion

of sheet piles, compaction during road construction, etc. executed. The duration of the

Vibration measurements depend on the progress of construction. It's about two years

Construction time planned. The construction work must not be hindered, the

The authority to issue instructions is incumbent on the construction management. In the event of imminent flooding, the protection of the

Flood facility and construction site priority.

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The clearing work still to be carried out for the 2nd area - direct location

(DIH01_2B) are planned for the period from October 2023 to Feb. 2024 and will take place

if necessary in the run-up to the construction project. These are also determined by vibration measurements

to accompany.