Hamburg-Bergedorf, Germany Phone 040 66969 120Mobile 040 66969 121info@kalwer-netzbau.example
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References

References

What we have built – from our photo documentation, with date and place.

1Reference list

Reference list
YearPlaceTradeWorkScopeClient
2022Großhansdorf (Stormarn district)Civil works · FTTH networkCable trench, microduct bundle, surface4.2 km route, 310 house connectionsGeneral contractor
2024Neu Wulmstorf (Harburg district)E-mobilityBuilding a rapid charging park, testing8 charging pointsCharging infrastructure operator
2025Hamburg-BergedorfFibre installationSplicing in the street cabinet12 street cabinetsNetwork operator
2025Service area on the A 1E-mobilityRapid charging station4 charging pointsCharging infrastructure operator

2Area

Sites of recent years in Hamburg and the surrounding area, between the Alster, Bille and Elbe.

ElbeAlsterBilleStormarnVierlandeHarburger BergeSachsenwaldHamburgNorderstedtWedelHarburgPinnebergBergedorfBase · Fibre installation 2025Großhansdorf2022 · Civil works, FTTHNeu Wulmstorf2024 · E-mobility10 kmN
Schematic. Grey: orientation, blue: base and sites.

3Site diary

Entries from our photo documentation – with date and place, as network operators require.

  • Crew in high-visibility clothing at a narrow trench in the footpath, a brick church tower in the backgroundEnlarge photo
    Crew on the footpathCivil works
  • Flatbed truck and mini excavator at a site secured with red and white barriersEnlarge photo
    Site set-up with truck, mini excavator and barriersCivil works
  • Coils of orange microduct at the edge of the trench, a plate compactor behind themEnlarge photo
    Duct coils and compactor along the routeCivil works · 14 June 2022
  • Workers resetting grey paving stones on a footpath, a wheelbarrow of grit beside themEnlarge photo
    Paving being resetCivil works
  • Residential street with a freshly asphalted strip along the kerb, brick houses behindEnlarge photo
    Route closed, asphalt reinstatedCivil works · 20 September 2022 · Großhansdorf
  • Open trench beside the footpath, orange microducts at the bottomEnlarge photo
    Open trench with duct bundleFTTH network · 12 September 2022 · Großhansdorf
  • View into the trench: microduct bundle in the sand bed next to an orange marker ballEnlarge photo
    Microduct bundle in the sand bedFTTH network · 2 June 2022 · Großhansdorf-Schmalenbeck
  • Installer kneeling in lifted paving in front of a brick house, guiding microducts to the house wallEnlarge photo
    Microducts for the house connectionFTTH network
  • Seen from above: two installers with helmets in a pit sorting microducts and fibre cablesEnlarge photo
    Ducts and fibres in the pitFTTH network
  • Installer lying in a basement room working on the building entry below the ceilingEnlarge photo
    Building entry in the basementFTTH network
  • House wall with the building transfer point, orange microduct and fibre cable next to the yellow gas pipeEnlarge photo
    Building transfer point and entryFTTH network
  • Two installers at the van with cable drum and blowing equipment in front of an open street cabinetEnlarge photo
    Blowing at the street cabinetFibre installation
  • Yellow splicing tent over an open street cabinet, a cable drum in frontEnlarge photo
    Splicing tent at the cabinetFibre installation
  • Open splice tray with colour-coded fibres in a street cabinetEnlarge photo
    Splice tray in the street cabinetFibre installation · 9 September 2025 · Hamburg-Bergedorf
  • Open street cabinet with splice trays and colour-coded microductsEnlarge photo
    Street cabinet after splicingFibre installation
  • Two electricians at an open distribution cabinet, cables and material in frontEnlarge photo
    Low-voltage distribution for the charging parkE-mobility
  • Installers at a rapid charger in a cordoned-off car parkEnlarge photo
    Building a rapid charging parkE-mobility · 5 March 2024 · Neu Wulmstorf
  • Heavy underground cables in the open trench beside the paving, installers pulling cableEnlarge photo
    Cable pulling to the charging pointE-mobility
  • Installer on a ladder at the open power unit of a rapid charging stationEnlarge photo
    Installing the power unitE-mobility
  • Crimped cable lugs on the busbars of a charging stationEnlarge photo
    Cable connection with lugsE-mobility
  • Test instrument in front of an open distribution cabinet, test leads connectedEnlarge photo
    Testing at the distribution cabinetE-mobility · 14 March 2024 · Neu Wulmstorf
  • Covered rapid charging stations at a motorway service areaEnlarge photo
    Charging station on the motorwayE-mobility
  • Finished rapid chargers in a car parkEnlarge photo
    Rapid chargers in operationE-mobility

Contact

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Send us your bill of quantities, route plan or simply location and scope. We will get back to you personally.

Enquire now040 66969 121

Contractor
Kalwer Netzbau, Bergedorf
Phone
040 66969 120
Mobile
040 66969 121
Contact person
Jens Kalwer · j.kalwer@kalwer-netzbau.example
Working hours
Monday to Friday, 8 am – 5 pm