After backfilling the cable trench, the power cables are unrolled from cable drums and pulled into the conduits.

The ends of the prefabricated cables are then connected in a joint pit (see Fig. 3), creating a continuous power line.

In soil-related construction supervision, it is sometimes necessary to push back against the project schedule in order to protect the soil—making decisions that may not always be well received by construction companies. Nevertheless, Ginger HPC remains firm in safeguarding the soil, as every construction project carries the risk of harmful soil changes, such as compaction damage.

Installation of conduits and backfilling of cable trenches

During long-term construction projects, such as in Ganderkesee, both favorable and unfavorable weather conditions are encountered over time. To preserve natural soil functions despite challenging conditions, careful planning prior to construction and continuous consultation during the project can significantly reduce the risk of harmful soil compaction. The primary focus is always on maintaining natural soil functions.

Soil protection must also be ensured during construction activities.

This is achieved through proper instruction of machine operators on site and the selection of suitable equipment. Personnel on the construction site are trained and made aware of the importance of careful soil handling. In this way, many potential damages can be avoided in advance. If issues do arise, practical solutions are developed and implemented directly on site, helping to reduce follow-up costs for land restoration.

Ginger HPC acts both as an advocate for farmers and other landowners and as an advisory partner for construction companies on site.

The goal of soil-related construction supervision is the complete restoration of the used areas, making it appear as though no construction work had taken place. This includes preventing harmful soil alterations. Yield losses for landowners can be significantly reduced through soil-friendly construction practices.

Not only the visual appearance of predominantly agricultural land after construction is important, but also the proper restoration of soil functions as grassland or arable land, as well as creating optimal conditions for the cable route. During construction, strict separation of soil types is maintained, and machinery routes are specifically protected against compaction damage.

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For underground cable installation, the topsoil is first carefully removed and stored alongside the construction area in a stockpile running parallel to the trench. The underlying subsoil horizons are then excavated separately and stored in distinct stockpiles.

In the next step, the welded conduits are laid along the trench, which is then backfilled in accordance with the original soil layer sequence and thickness. During backfilling, the soil is screened using a sieving machine to remove coarse stones that could damage the conduits (see Fig. 2).