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Joan Nalianya | Architecture Portfolio

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In a country where majority of people use public transport it is imperative to generate spaces which users seek.

This proposed facility is located along Haile Selassie Avenue in Nairobi.

The site offers interesting challenges due to its proximity to the Central Business District and the Nairobi Railways Station, coupled with challenges present at the existing site which included circulation and spatial conflict.

A focus on vast public spaces that allow the natural interplay of commute and socioeconomic activities was the guiding principle of this project

There's emphasis on connection and fluidity of movement which shows on the planning concept The upper block and visually 'heavier' part of the building focuses on retail and support services for the interchange.

The butterfly roofs acts as a light shelf to light the deeper spaces in the building, large courtyards bring the outside in. The interchange services are at the lower levels of the building.

The staggered form the building takes, is meant to emphasize on movement while also providing vital sun shading elements.

The woven fabric wraps around the naturally well lit spaces in the interior, punctured by atria at the centre of the individual blocks.

Academic Project: 6th Year Thesis - Bachelor of Architecture

Location - Haile Selassie Avenue, Nairobi, Kenya 2018

Analysing factors such as noise around the site, and views available for the proposal.

Analysing the orientation, sun path, wind patterns and climatic factors in the area.

CONCEPT EVOLUTION

Gap for access to long-haul buses loading zone

Access from front main street

Secondary Access from Railway Station

Pedestrian/ bicycle lobby

Plaza Trading Space Loading Zone

■ Vehicular Routes

Commercial

Retail/Administration Spaces

Transit Spaces

MASSING OF FORM

Staggered form creates a perception of fluid movement echoing the activities in the interchange

Pedestrian entry zones

Atria provide natural light into the spaces falling into centrally placed courtyards in the interior. The building envelope provides a ciritcal sun shade against the eastwest facing sun

PLANNING CONCEPTS

The daily rhythm shaped by an informal choreography between pedestrians, matatus, vendors, and vehicles is chaotic, but also creative. Clear separation of vehicular routes using bollards and level changes is critical to ensure safety for pedestrians and cyclists.

■ Pedestrian/Non-motorised transport

Users of this interchange are ensured a seamless integration of transit, social and economic activities with large plazas connecting the main streets and spaces for rest and play. Wayfinding signs, accessibility and inclusive spaces were key benchmarks in the transit experience.

■ Economic and Social Components

Informal traders are synonymous with most transit spaces in Kenyan cities. Creating large plazas that tap in pedestrian movement from major traffic routes and integrating social spaces and areas for rest, provides a much needed connection, between customer and seller in a safe space, away from vehicular traffic.

HaileSelassieAvenue
Connection

Air Outlet

Roof shingles fixed onto concrete roof trusses

150mm thick concrete slab to S.E.'s specifications

Porous curtain wall allows panoramic views while sun shading from direct sunlight

Light shelf bounces natural light into deeper spaces Open atrium allows light into interior courtyard space

Glazing with porous curtain wall allows panoramic views of the city

Perforated steel curtain wall screwed onto R.C. beam

8mm thick laminated glass curtain wall within powder coated aluminium frame

300mmx450mm R.C. beam to S.E.'s specifications

8mm thick laminated glass curtain wall within powder coated aluminium frame

MAIN ENTRANCE

ENTRANCE LOBBY

Professional Project: Sole Practitioner - Residential Development

Location - Kajiado County, Kenya

Set in the lush savannah in Kajiado. This project offers spectacular views of the hills and valleys synonymous with the region.

The positioning of the primary spaces maximises on the excellent views of the grassy plains.

The rotated mass at the centre houses the living, dining and kitchen areas, and the rotation allows these spaces to have a maximum view, while keeping the right proportions of the building.

The crux of the space is the outdoor verandah that brings the outside in but serves a critical function of sun shading against the west facing facade.

To maintain privacy amongst the different occupants the house is divided into two wingsallowing a separated primary bedroom.

The cathedral ceiling in the main mass provides an excellent volume, allowing for clerestory windows, and sufficient ventilation and lighting in the warm climate.

MASSING OF FORM

GROUND FLOOR LAYOUT

The rotated mass at the centre houses the living, dining and kitchen areas, and the rotation allows these spaces to have a maximum view, while keeping the right proportions of the building.

To maintain privacy the house is divided into three wings

ELEVATION SKETCH

The positioning of the primary spaces maximises on the excellent views of the grassy plains.

Built with typical construction materials available in the region, masonry blocks were left unfinished, treated with plaster and paint, and clad with natural stone on different spaces for contrast in materiality. Iron roofing sheets were selected for their affordability and ease of installation.

FORM EVOLUTION

Living Room

Kitchen/Dining Room

Circulation Spaces

Washroom

Bedroom

This project consists of two units, a 3 bedroom house and a 2 bedroom house in a semi-detached setting. A focus on the courtyard provides both occupants of the units with access to the outdoors and offers an opportunity to light the inner spaces.

Walk-in-Closet
Pantry
Skylight
Unit 1 (3 Bedroom House)
2 (2 Bedroom House )
Permeable

KATANI HOUSE

Professional Partnership - Residential Development

Role: Detail Design

Location - Kajiado County, Kenya 2023

PROJECT MANAGEMENT

Firm: Canaan Developers

Role: Project Manager

Project 1: Aura Riverside

Location: Nairobi, Kenya

Year: 2023

Architect: Bowman Architects

Engineers:Ngasi C/S.E., Rex M.E./E.E

Visualisation: Karim CG visuals

Project 2: Reflections

Location: Nairobi, Kenya

Year: 2022-2023

Architect: Torrens

Engineers: Rex M.E./E.E

Visualisation: Karim CG visuals

Project 3: Altura

Location: Nairobi, Kenya

Year: 2022-2023

Architect: Bowman Architects

Engineers: Rex M.E./E.E & S.E.

Visualisation: Karim CG visuals

My role at Canaan Developers involved the project management of multiple developments around Nairobi.

I was tasked with ensuring quality control, through efficient coordination with multidisciplinary teams including engineers, quantity surveyors, and project managers.

I played a key role in translating client needs into functional and aesthetically compelling spaces, ensuring compliance with regulatory standards and project timelines. A breakdown of my roles were the following:

■ Correspondence

I took minutes and prepared documentation of all key deliverables critical to the construction schedule. This included contractual agreements and Gantt charts.

■ Conceptualisation

I ensured the architects, interior designers and visualisers translated the client's requirements into a comprehensive design brief. I also prepared supplementary design drawings crucial for the construction process.

■ Drawing reviews

I reviewed all consultants' drawings and gave recommendations as per the client's requirements.

■ Meeting coordination/Site inspection

I organised joint design and site inspection meetings to ensure all drawings and deliverables were well coordinated across different consultants.

■ Tendering/Procurement and Payments

I assisted in the tendering and procurement of services and supplies from sub-contractors and managed their payments. I also ensured payments were made as per contractual agreements.

2. 3.

Reflections Villas
Altura Apartments

Market Development

Role: Architect

State Department for Housing and Urban Development

Akala, Siaya County

2021

Some of the biggest challenges facing our markets in Kenya today is pedestrian and vehicular circulation conflicts, safety and sanitation.

The construction materials proposed are cheap and easily available to the local authorities. The use of corrugated sheets easily replacable and natural stone native to the area make the project fit in it's context.

The extroverted stalls on the periphery draw the user in while securing the market site's boundaries.

The main node is a central passage that cuts through the main market building, all the way from the main entrance, it is highlighted by a skylight that brings in natural light, eliminating the need for mechanical lighting

Natural ventilation and lighting techniques were employed to provide an ideal trading space for market users.

The single pitched roofs allow for high ceilings to allow for warm air to escape upwards.

The long extended eaves prevent the direct rain and heat into the building.

There was no use of glazing to allow for maximum flow of air in the building

The extroverted stalls on the periphery draw the user in while securing the market site's boundaries

GROUND FLOOR

The main node is a central passage that cuts through the main market building, all the way from the main entrance, it is highlighted by a skylight that brings in natural light, eliminating the need for mechanical lighting

Rodi, Homa Bay County

3 block housing scheme linked by bridges with centrally placed social space for community

FORM MASSING

SITE PLAN

Voids introduced to masses to light deeper spaces

Mass split into 3 blocks
Voids
Housing Block
Housing Block
Atrium
Housing Block

Academic Project: 5th Year

Bachelor of Architecture

Location - Ruiru, Kenya 2017

The proposed housing project is located in Ruiru which is a rapidly expanding town in Kenya with a massive demand for affordable housing. This project sought to solve a housing crisis while factoring in the socio-economic needs of the user.

GROUND FLOOR

INTERIOR COURTYARD

The project consists of three blocks linked together with bridges that allow children to play on with connecting seating spaces at the centre of the blocks.

The underlying principle was to offer the users of these houses income generate opportunities while still living in the same vicinity-synonymous with New Urbanism principles. Retail spaces were therefore integrated into the design.

In order to foster social interaction, public open shared community spaces that have been designed around atria allow light to stream in coupled with sitting spaces surrounded by voids that allow natural ventilation.

ELEVATIONS

THANK YOU

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