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Expansion and renovation
Rhein-Maas-Gymnasium 2025

G8-G9 extension and refurbishment of science rooms

Current: Construction site photos November 2025

In the time bar of the project phases, this project is in the construction phase.
0715-RMG-Perspective schoolyard


Occasion and goal

The switch from G8 to G9 will create additional space requirements for around 930 pupils.

  • Key data

    • Addition of one storey to the administrative NW wing
    • New rooms: 4 classrooms, 1 substitute classroom, 3 course rooms, 2 differentiation rooms, 1 multifunctional room, open learning center
    • Renovation on the first floor: biology rooms (2 classrooms, collection, preparation) Renovation of the staff room due to the roof construction
    • Barrier-free access to all floors thanks to elevator installation
    • Photovoltaic system on the roof
    • Timber panel construction, transparent inside and out
    • Sound-absorbing rear walls
    • Net floor space: Upper floor new 1,050 m², ground floor renovation 375 m²
    • Gross volume: Upper floor new 5,080 m³, ground floor renovation 1,770 m³
    • Preliminary measure: refurbishment of basement, completed in 2024
    • Architects: Hahn Helten Planungs GmbH
    • Start of execution: July 2024
    • Expected completion date: June 2026

  • Legal basis

    In 2018, the state parliament of North Rhine-Westphalia passed the 13th School Law Amendment Act and reorganized the duration of the educational courses at lower secondary level. The grammar schools in NRW were thus given the option of conducting the Abitur examination after eight or nine school years in future. In this unique decision, all eight municipal grammar schools in Aachen have opted to switch to nine years (G9).

    The Department for Children, Youth and Schools (FB 45) currently assumes that around 930 additional pupils (SuS) will be educated at the grammar schools in Aachen as a result.

    All municipal grammar schools were examined from this perspective. As a first step, four grammar schools will be expanded through structural measures in order to accommodate the expected increase in the number of pupils.

Construction site photos

  • November 2025

    The exterior walls were erected in the first construction phase and fitted with the roof beams.
    The exterior walls were erected in the first construction phase and fitted with the roof beams.
    Classroom with roof beams
    Classroom with roof beams
    Classroom and corridor area with roof beams
    Classroom and corridor area with roof beams
    Bearing of the roof beams
    Bearing of the roof beams
    New staircase made of precast concrete elements with a total weight of approx. six tons
    New staircase made of precast concrete elements with a total weight of approx. six tons
    The wooden panel walls are erected.
    The wooden panel walls are erected.
    The façade facing the inner courtyard has been completed.
    The façade facing the inner courtyard has been completed.
    Additional supports and beams are installed.
    Additional supports and beams are installed.
    Wooden panel walls are erected.
    Wooden panel walls are erected.
    New ceiling above the first floor and panel walls
    New ceiling above the first floor and panel walls
    Storage of the wooden panel walls
    Storage of the wooden panel walls

  • October 2025

    The wooden construction for the staff room was erected.
    The wooden construction for the staff room was erected.
    Wooden construction in the new staff room
    Wooden construction in the new staff room
    View of the new staff room from the courtyard
    View of the new staff room from the courtyard
    The ceiling above the new staff room has been installed.
    The ceiling above the new staff room has been installed.
    The scaffolding for the extension has been erected. It gives a first impression of the new cubature.
    The scaffolding for the extension has been erected. It gives a first impression of the new cubature.
    The demolished staff room is rebuilt.
    The demolished staff room is rebuilt.
    The floor slab for the new staff room is poured.
    The floor slab for the new staff room is poured.
    Start of the elevator construction site
    Start of the elevator construction site
    Completion of one of the biology rooms on the first floor
    Completion of one of the biology rooms on the first floor
    The completed biology room, showing the mobile tables and the fixed work columns.
    The completed biology room, showing the mobile tables and the fixed work columns.
    The left picture shows the biology collection, the right picture shows the preparation area
    The left picture shows the biology collection, the right picture shows the preparation area


  • July 2025

    Demolition work is progressing and, after the demolition of parts of the thermal insulation composite system, the original blue tiled façade is exposed.
    Demolition work is progressing and, after the demolition of parts of the thermal insulation composite system, the original blue tiled façade is exposed.
    The emergency roof and the "demolition wounds" on the existing cubature can be seen.
    The emergency roof and the "demolition wounds" on the existing cubature can be seen.
    The staff room is demolished.
    The staff room is demolished.
    Further demolition work
    Further demolition work


  • May 2025

    The demolition of the double roof is underway in preparation for the extension.
    The demolition of the double roof is underway in preparation for the extension.
    Work has begun on the roof.
    Work on the emergency sealing has begun.
    The insulation panels were installed.
    The drywall walls are in place.
    The plastering work has been completed.
    The plastering work has been completed and the basic installation has been carried out.
    The roof covering is removed.
    Once the pollutants have been removed and the plaster removed, it is replaced.
    The load transfer profiles on the ground floor were installed.
    The load transfer profiles on the ground floor were installed and the masonry walls were set.

  • January 2025

    The construction sign has been erected
    The construction sign has been erected
    Ground floor Bioroom
    Bio room on the first floor
    Work began on the renovation of the biology rooms and structural strengthening on the ground floor.
    Work began on the renovation of the biology rooms and structural strengthening on the ground floor.

  • December 2024

    Chemical refurbishment UG
    Renovation of chemical basement
    The preliminary refurbishment of the chemistry rooms in the basement has been completed.
    The preliminary refurbishment of the chemistry rooms in the basement has been completed.

  • October 2023 Preliminary measures

    Preliminary measures such as the gutting of the chemical rooms in the basement are underway.
    Preliminary measures such as the gutting of the chemical rooms in the basement are underway.

Description

Design and façade:
A single-storey building of the same dimensions will be built on top of the existing administration and special classroom wing.

The extension is a timber construction. The new façade protrudes slightly above the existing building and alternates between vertical base and top formwork and horizontal tongue and groove formwork. The timber is pre-greyed.

Wood-aluminum windows form a ribbon façade with light-colored blind panels that come alive with the sculptural wood cladding. External blinds are installed and the walls are built using timber panel construction.

The existing façades are designed as bands across the entire width of the building and finished with light gray ETICS. The two areas stand out from each other due to their different design.

Floor plan and interior design:
The extension is accessed from the main classroom wing. A circular corridor surrounds a large learning center, the inner courtyard and two differentiation rooms. The other rooms are oriented towards the outside.
Another differentiation room is located between the new staircase and the learning center with a view of the cafeteria.

The floor plan is divided into three fire compartments to allow for many wood-visible surfaces.

With the exception of the technical rooms, all rooms will have suspended ceilings with acoustic effectiveness. Classrooms and course rooms will be fitted with sound-absorbing wooden slat walls at the rear.

The interior perspective gives an impression of the visible wooden surfaces.
The interior perspective gives an impression of the visible wooden surfaces.


Energy concept

Sustainability is playing an increasingly important role in the City of Aachen's construction projects. The exemplary function as a public building owner, the desire for healthy buildings and economical and ecological operation over the entire service life lead to requirements that go far beyond those of an energy-efficient building.
Planning should therefore be based on the following assessment criteria:

  • Ecological quality
  • Economic quality
  • Socio-cultural quality
  • Technical quality
  • Process quality
  • Location features

The extension is based on the principles of future-oriented construction.

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