Apr. - Dec. 2018 

- Overview -

Proposal of IoT-based rapid fire escape solutions by linking mobile applications to fire detectors considering the characteristics
high-rise buildings are vulnerable to

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Key words

Product-Service System, Fire Escape Guidance,
Design Research, Design Scenario

My role

As a design researcher: conducted user research and design scenarios

Collaborative with

LDT, KIDP(Korea Institute of Design Promotion), KNUT(Korea National University of Transportation)

* This project has been supported by the R&D programme for Design Innovation Capability of the Korea Evaluation Institute of Industrial Technology(KEIT) for 3 years


Opportunity Identification

- Desk research

- Field research

- Persona

- Stakeholder Interviews

- Service safari

- Service blueprint



- Co-creation workshop

- Positioning map

- Kano model

- Idea prioritization



- Service scenario

- As-is / To-be model

- App UX tree

STEP 01.

Opportunity Identification

Interpret issues in emergency situations by considering the environmental factors of the high-rise building

Desktop Research

Since fires do not occur frequently, thorough desktop research was needed. Therefore we had to scrutinize the major causes of fire and the current countermeasures in place.
In particular, when a fire breaks out in a high-rise building, evacuation manuals developed for regular buildings are insufficient and often make it difficult to evacuate. 

Field Research

Three high-rise buildings located in Busan were visited in person to understand the current process related to fire evacuation.

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Evacuation scenarios for Service safari

Service Safari

Card sorting method


The participants attached cards based on their priorities to the feelings and thoughts they felt in each situation.

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In-depth Interview

After the card sorting, we conducted 1:1 interviews and watched the recorded video together in order to ask in-depth questions about the reasons behind their choices. 

Since fire is not a common phenomenon around us, we found a demand from 10 participants for 8 situations by creating a virtual environment for fire evacuate. They were encouraged to use prepared cards, including emotions and needs in a given situation, and put them on the board in order of priority.

Clarify relations
with each stakeholder 

We had an in-depth interview with 6 experts with expertise on this subject. (fireman, building manager, psychologist etc.) 
All of this basic data helped to clarify a tangled relations of the stakeholders.     

Stakeholder map

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Service blueprint

To identify the service context according to the order of the refuges, the face-to-face and other services of building managers and fire stations were arranged in context by drawing the Service Blueprint.

STEP 02.

Concept Design

Develop into proven ideas and prioritize them

Co-creation Workshop

A carefully designed co-creation workshop took place twice. The first workshop was aimed at creating ideas, and the second one was  designed to assess and modify improved ideas from the perspective of investment effectiveness, feasibility and viability

Second Workshop

: Evaluation for Priority of ideas

The weighing of the evaluation factors was  calculated with experts to assess the suitability and importance of the ideas derived through brainstorming.    

- Positioning Map

- KANO model


STEP 03.

Value Proposition

PSS for Rapid Fire Escape of High-rise Buildings

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Provide the optimized direction based on GPS location

Real-time information provision ensures mental security

Voice and visual elements make it easier to find the correct path of evacuation

Provide regular training and education even before a fire occurs

PSS for Rapid Fire Escape of High-rise Buildings

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Design scenarios

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