ECO-MODULAR LIVING

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Addressing California's Housing Crisis

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Sustainable, Modular Housing Using CLT and Recycled Construction Waste

RUDOLPH BOTHA & SISENATHI MNCUNZWA

TEAM: THE LOFTERS

NELSON MANDELA UNIVERISTY

SOUTH AFRICA

1.INTRODUCTION

California is grappling with a staggering shortage of affordable housing—over 1.3 million homes are needed to meet demand—while simultaneously facing an environmental crisis fueled by staggering amounts of construction waste. Our project presents an innovative and scalable solution: modular homes constructed from Cross-Laminated Timber (CLT) panels, combined with recycled construction materials. By addressing the housing shortage with eco-friendly, cost-effective designs, we aim to create sustainable living spaces that benefit both the community and the environment.

CONSTRUCTION WASTE

REPURPOSED MATERIAL (CLT)

MODULAR CONSTRUCTION

INNOVATIVE SOLUTIONS FOR AFFORDABLE, SUSTAINABLE HOUSING

problem

solution

California faces a severe housing crisis, with a growing demand for affordable housing that often relies on unsustainable building practices and contributes to high carbon emissions.

We propose modular recycled affordable housing with Cross-Laminated Timber (CLT) and reclaimed materials, addressing California’s urgent housing needs and supporting future American expansion with sustainable, cost-effective solutions.

1.KEY CONCEPT

2.SUSTAINABILITY

3.COST EFFICIENCY

2.INNOVATION & UNIQUENESS

4.REINFORCED DURABILITY

5.MODULARITY

6.ENERGY EFFCIENCY

Integrating CLT with Recycled Construction Waste

Recycles construction waste, reducing landfill use and promoting eco-friendly building practices.

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Lower material costs by incorporating recycled wood, concrete, and steel.

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CLT combined with recycled steel or concrete offers hybrid systems that improve load-bearing capacity.

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Prefabricated CLT modules with recycled components allow for fast, scalable construction.

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Using recycled insulation materials such as cellulose, denim, or plastic ensures better energy retention in homes.

3.SCALABILITY

3.1 REPLICATION MODEL FOR URBAN & SUBURBAN SETTING

ADAPTABLE TO URBAN & SUBURBAN SETTINGS:

• Modular CLT designs fit diverse environments.
• Customizable for local regulations and climate.
• Ideal for infill development in underused spaces.

MASS CONSTRUCTION & RAPID ASSEMBLY:

• Factory-made panels reduce construction time and costs.
• Customizable for local regulations and climate.
• Ideal for infill development in underused spaces.

DENSE URBAN

OPEN SUBURBAN & RURAL

3.2 WASTE COLLECTION PARTNERSHIPS

STRATEGIC PARTNERSHIPS WITH CONSTRUCTION COMPANIES:

• Collaborate with waste management firms and local construction companies.
• Source raw materials from demolition sites to reduce sourcing costs.
• Implement a waste tracking system for consistent material flow.

MUNICIPAL WASTE COLLECTION NETWORKS:

• Partner with local municipalities to repurpose collected waste as housing materials.
• Ensure compliance with regulations while keeping costs low.

3.3 PRE-FABRICATION FACTORIES

REGIONAL FACTORIES FOR LOCAL PRODUCTION:

• Establish factories in urban areas to minimize transport costs and time.
• Factories act as hubs for mass production, reducing carbon footprint and increasing efficiency.
• Decentralized model allows scalable production and faster responses to regional demands.

TECHNOLOGY & AUTOMATION:

• Automated systems ensure consistent quality and minimize human error.
• Use CNC machines and robotics to cut and assemble CLT panels, boosting production capacity.

3.4 COMMUNITY-CENTRIC CLUSTERS

CLT HOUSING CLUSTERS:

• Arrangement promotes social interaction
• Shared amenities enhance community development

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COMMUNITY-ORIENTATED SPACES:

• Includes parks and shared gardens
• Community centers foster social sustainability

SCALABILITY:

• Replicable in rural and urban settings
• Designs cater to community needs
• Focus on cost-effectiveness

4.FEASIBILITY

4.1 PROVEN CLT TECHNOLOGIES:

• Sustainable alternative to traditional materials.
• Excellent structural performance and lower carbon footprint.
• Endorsed by construction standards; successfully used globally.

4.2 FASTER CONSTRUCTION WITH PREFABRICATED UNITS:

• Off-site manufacturing reduces labor costs and time.
• Assembly time can be cut by 50% vs. traditional methods.
• Less weather dependency minimizes delays.
• Leads to faster occupancy and revenue generation.

4.3 REDUCING COSTS THROUGH WASTE RECYCLING:

• Recycled materials significantly lower costs.
• Salvaged wood from deconstruction can be repurposed for CLT.
• Using recycled construction waste minimizes landfill use and new material demand.
• Potential savings from tax incentives/grants for sustainability.

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COST ANALYSIS COMPARISON CHART

ANALYSIS OF COST DIFFERENCES

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MATERIAL COST SAVINGS:

• Save $50,000 in material costs for a 1,000 sq. ft. unit using recycled materials.

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LABOUR COST SAVINGS:

• Reduce labor costs by $35,000 with prefabricated units due to faster assembly.

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OVERALL COST EFFICIENCY:

• Total savings of $85,000 compared to traditional building methods.

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TIME EFFICIENCY:

• Shortened construction timeline by 6 months, leading to quicker occupancy.

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SUSTAINABILITY IMPACT:

• Lower waste and carbon footprint enhance environmental sustainability and community perception.

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$85 MILLION

Potential savings by adopting modular CLT construction using recycled materials across 1,000 affordable homes.

5.POTENTIAL RECYCLED MATERIALS

CONSTRUCTION WASTE:

• Reclaimed Wood: Interior finishes & wall panels in modular units.
• Bricks & Concrete: Foundations or ballast in components.

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INSULATION MATERIALS

• Recycled Cotton: Wall panels for thermal and acoustic insulation.
• Denim: Soundproofing in shared spaces.
• Cellulose: CLT wall assemblies for energy efficiency.

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REUSED FIXTURES:

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• Doors & Windows: Salvaged for aesthetics and functionality.

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• Hardware: Recycled for cabinetry and storage.

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PACKAGING WASTE:

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• Recycled Plastics: Composite materials for flooring and wall panels.

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6. DESIGN POTENTIAL & CONCEPTS

PRIVATE PREFABRICATED MODELS:

Our project introduces private prefabricated wooden ergonomic boxes tailored for diverse lifestyles in the U.S., accommodating singles, couples, friends, and multigenerational families. These flexible modules can be added or removed as family needs change, promoting efficient use of space and community reorganization.

Each module includes a kitchen and bathroom for autonomy, featuring innovative furniture solutions like hidden beds and folding elements to maximize functionality. This design supports sustainable, affordable living in California's dynamic housing environment.

Our project promotes sharing communities, showcasing the benefits of collaborative living through shared spaces and resources. By reducing the average living area in the U.S. from about 450 square feet to 220 square feet, we introduce a housing model focused on communal living.

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Smart furniture in prefabricated boxes allows for generous shared spaces like kitchens, dining areas, and workshops, fostering social interaction and community engagement while supporting sustainable, affordable housing solutions in California.

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SHARING COMMUNITIES: A NEW TYPOLOGY OF HOUSING

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Modularity in architecture, rooted in the Metabolist movement of the 1960s, promotes interchangeable living units. This approach is reflected in The Nest's pixelated design, where components can be added or replaced as needed.

In California, our CLT modular affordable housing, using recycled waste and construction materials, aligns with this philosophy. It offers scalable, sustainable solutions that can fit seamlessly into urban environments, addressing the housing crisis while enhancing community resilience and sustainability.

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INTERGRATING MODULARITY & SUSTAINANBILITY IN URBAN HOUSING:

100 YEAR HOME PRECEDENT:

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The Hundred Year Home concept in the Southern United States emphasizes sustainable, adaptable design for affordable housing that can evolve with its occupants over time. This architectural precedent prioritizes the use of durable, locally sourced materials and modular construction techniques, allowing for flexible layouts and functions.

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By involving community members in the design process, the Hundred Year Home fosters a sense of ownership and identity among residents, ensuring that these homes not only meet immediate housing needs but also endure over time, supporting future generations in diverse urban settings.

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CONCLUSION

In summary, our project presents a solution to California's pressing housing crisis through the development of modular recycled affordable housing utilizing Cross-Laminated Timber (CLT) and reclaimed materials. This approach not only addresses immediate housing needs but also emphasizes affordability, sustainability, and scalability. By implementing EcoModular Living, we can create a more sustainable future for California, paving the way for innovative, eco-friendly housing solutions that meet the demands of growth and environmental responsibility.

Thanks!

RUDOLPH BOTHA & SISENATHI MNCUNZWA

TEAM: THE LOFTERS

NELSON MANDELA UNIVERISTY

SOUTH AFRICA