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Water Stops : Study on New Type of Flood Control System The purpose of this study is to test a new type of flood control system that can effectively be utilized to respond to and resolve urban floods. Floods in urban areas lead to particular consequences, because the modification of the land surface during urbanization produces changes in the magnitude of runoff processes. Within the urban fabric, floods lead to increased runoff causing drainage control issues. Existing flood control mechanisms are the primary insertions that prevent inundation by the river. Unfortunately, current large scale systems are inappropri- ate to prevent flooding that leads to excessive urban runoff. Furthermore, the urban flooding occurs at unpredict- able times locations within the city, posing further problems and demanding solutions. The project proposes that decentralized small reservoirs be placed in numerous locations throughout the city. The localized reservoirs that span the city can react immediately to unexpected floods and manage runoff. In order for these reservoirs to be more adaptive to the local district of installation, the scale of the reservoirs has to be reduced. Also, for the purposes of sustainable utilization of the flood controller, passive ways of using the system have been thoroughly explored. Lastly and most importantly, these localized small-scale reservoirs are in- tegrated with existing programs in order to capitalize on the newly inserted infrastructure and the collected water within the reservoirs. Thus, the design of a new flood control system that is more reactive and imbued with bus stops, one of the most distributed typologies, is the product of this proposal Night View, Bus Stop +Flood Control System
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Page 1: Ucb Ced March 2013 Lee Jongsun

Water Stops : Study on New Type of Flood Control System

The purpose of this study is to test a new type of flood control system that can effectively be utilized to respond to and resolve urban floods. Floods in urban areas lead to particular consequences, because the modification of the land surface during urbanization produces changes in the magnitude of runoff processes. Within the urban fabric, floods lead to increased runoff causing drainage control issues. Existing flood control mechanisms are the primary insertions that prevent inundation by the river. Unfortunately, current large scale systems are inappropri-ate to prevent flooding that leads to excessive urban runoff. Furthermore, the urban flooding occurs at unpredict-able times locations within the city, posing further problems and demanding solutions.

The project proposes that decentralized small reservoirs be placed in numerous locations throughout the city. The localized reservoirs that span the city can react immediately to unexpected floods and manage runoff. In order for these reservoirs to be more adaptive to the local district of installation, the scale of the reservoirs has to be reduced. Also, for the purposes of sustainable utilization of the flood controller, passive ways of using the system have been thoroughly explored. Lastly and most importantly, these localized small-scale reservoirs are in-tegrated with existing programs in order to capitalize on the newly inserted infrastructure and the collected water within the reservoirs. Thus, the design of a new flood control system that is more reactive and imbued with bus stops, one of the most distributed typologies, is the product of this proposal

Night View, Bus Stop +Flood Control System

Page 2: Ucb Ced March 2013 Lee Jongsun

Ideal Characteristics of the New Flood Control System in Seoul

Urban

Suburban

Decentralized + Networked

Centralized

Exposed + passive

Infrastructural

Versatile

Single-purposed

Initial Concept

Page 3: Ucb Ced March 2013 Lee Jongsun

2-1/8”

400ml1/4”

2”

5ml

300ml

1-3/4”

15/163/4”

5ml

200ml

4.8ml

0ml 100ml 200ml 300ml 400ml0ml 100ml 200ml 300ml 400ml0ml 100ml 200ml 300ml 400ml

Lever Lever:far from the center

Experiment for Passive Operability

Page 4: Ucb Ced March 2013 Lee Jongsun

Phase1

Phase2

Phase3

Phase4

Phase5

Phase6

8

2

11

15

9

3

12

16

10

4

13

17

5

14

18

6 7

19

1

2,500mm

14,000mm7,000mm

5,000mm

3,500mm

5,500mm

51°

7,000mm

10,000mm 1,000mm

Cylinders : Plugged-in Water : Pumped-up Cylinders : Unplugged Cylinders : Transported by Bus Cylinders : Stacked up Cylinders = Temporary Storage

7,000mm

7,000mm

7,700mm

Cylinder-Loading Procedure

Water Transportation Deployment

Page 5: Ucb Ced March 2013 Lee Jongsun

Transportation of the Cylinders by the Public Bus

Page 6: Ucb Ced March 2013 Lee Jongsun

Operable Roof Deployment

Page 7: Ucb Ced March 2013 Lee Jongsun

Lower level(platform), Bus Stop +Flood Control System

Page 8: Ucb Ced March 2013 Lee Jongsun

Interior View, Viewing from the Main Entrance

Page 9: Ucb Ced March 2013 Lee Jongsun

Cross Section, 1:100

Operable Roof

Detail on the next page

2m

Upper Gathering Space

Bus Platform

Primary Reservoir

Secondary Reservoir

Page 10: Ucb Ced March 2013 Lee Jongsun

Sectional Physical Model, 1:25