Investigations

TOUCH ROOT VOCATIONAL CENTER (DESIGN-BUILD PROTOTYPE): Southeast / Tropical Rainforest 

LOCATION: Enugu, Nigeria 

CLIMATE ZONE: High Humidity / Heavy Seasonal Rainfall 

CLIENT/PARTNER: The Touch Root Foundation 

FOCUS: Stabilized Earth-Block Assemblies, Breathable Mass, and Applied Material Translation

01. THE COMMISSION: FROM FORENSICS TO APPLICATION 

While Cases 001 and 002 focus on the extraction of thermodynamic data from historical structures, Case File 003 represents the real-world application of that data. A|WA has been commissioned by the Touch Root Foundation as the Principal Investigator and Lead Designer to design-build a new vocational training facility in Enugu, Nigeria. This structure will serve not only as an educational campus for the local community but as a full-scale "Living Laboratory" for post-carbon tropical architecture.

02. THE THERMODYNAMIC CHALLENGE 

The tropical rainforest zone of southeastern Nigeria presents the most extreme climatic stress test for building materials. Standard concrete-block construction in this region traps moisture, promotes rapid fungal/mold growth on interior surfaces, and acts as a thermal battery that bakes the interior during the dry season. To combat this, the Touch Root facility must achieve two seemingly contradictory goals:

• High Thermal Mass: To delay heat transfer during peak solar hours (Decrement Delay).

• High Permeability (Breathability): To prevent moisture entrapment and structural degradation in a high-humidity environment.

03. APPLIED METHODOLOGY: STABILIZED EARTH ASSEMBLIES 

To bypass the ecological and thermal failures of concrete, A|WA is prototyping a localized Compressed Earth Block (CEB) system. By synthesizing the indigenous soil-mix ratios documented in Node 01 with modern hydraulic pressing techniques, we are engineering a load-bearing material ecology that breathes.

• Soil Characterization: On-site analysis of Enugu’s laterite soil composition to determine precise aggregate-to-clay ratios.

• Hydraulic Stabilization: Utilizing manual/hydraulic block presses to compress local earth stabilized with minimal (sub-5%) cementitious binders, radically reducing the carbon footprint of the structural walls.

• Passive Envelope: Integrating the aerodynamic roof-pitch data harvested from Node 02 (The Impluvium) to design deep overhangs that shield the earth walls from driving rain while inducing continuous cross-ventilation.

04. THE PROJECTED TIMELINE

• Phase I (Current): Site analysis, material testing, and digital prototyping of CEB joinery.

• Phase II (Summer 2027): Deployment of the A|WA Mobile-Field Studio (DRU-01) to Enugu. Initiation of foundation site works and on-site block fabrication with local trade guilds.

• Phase III: Installation of internal environmental data loggers (HOBO UX100) into the completed structure to empirically track the building's thermal performance against a standard concrete baseline.