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Infrastructure of the PAP “An der Schmëtt”

Road construction & various networks

The PAP “An der Schmëtt” in Wecker is located in the municipality of Biwer. It covers an area of 5.5 ha and plans for 164 housing units with a mix of typologies:

  • single-family houses, multi-family houses, and apartment buildings, resulting in a density of approximately 25 housing units per gross hectare. The transfer to the communal public domain amounts to approximately 37%, allowing for open-air stormwater retention and the renaturation of the Syre River.

In addition to services directly linked to execution, our office implemented innovative solutions to meet the expectations of the client, including:
• 3D modeling to optimally reprofile the land,
• implementation of the open-air sanitation concept as defined in the PAP,
• optimization of lighting to reduce light pollution,
• geotechnical assistance for lime treatment of site excavated material to prepare private land for direct construction.

Through this project, our team was able to demonstrate its ability to:
• understand the requirements and expectations of the client in terms of planning and execution,
• work in close collaboration with the various stakeholders involved in a complex and large-scale project.

  • Contracting authority Fonds du Logement / SIDEST

  • Etude 2020-2021

  • Construction 2022-2023 (Phase 1) / 2027-2028 (Phase 2)

Key features

  • Earthworks: 30,000 m³

  • Sewer / stormwater pipes: 3,000 m

  • Drinking water pipes: 2,320 m

  • Dry utility networks (Post – Eltrona – lighting): 3,550 m

  • Dry utility networks Creos (low + medium voltage): 9,800 m

  • Road surfaces:

    • Paved area: 3,650 m²

    • Asphalted area: 5,500 m²

    • Permeable paved area: 800 m²

  • Total volume of retention basins (open-air and underground): 670 m³

  • Stormwater discharge entirely open via granite-paved channels (widths 0.70 m to 1.60 m): 1,400 m

  • Lime treatment of excavated soils and their reuse: 13,250 m³

  • Pedestrian steel bridge, 80 m long in 6 spans, usable width 1.5 m

  • Rehabilitation of a reinforced concrete road bridge over the Syre for restoration and safety: deck 25 m × 9.7 m

Our missions

  • Preliminary, tender, and execution studies

  • Landscape design and playground areas

  • Lighting optimization study to reduce light pollution

  • Stability study of an existing bridge and its restoration

  • Study of a pedestrian bridge over the watercourse

  • Geotechnical assistance for lime treatment of site excavated soils

  • Authorization requests with MECDD, AGE, and P&CH

  • Construction supervision and financial monitoring

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