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DongAh's impressive global works for humankind
A giant of civil works who stood tall with sweat and will.
홈아이콘 Home > Business > Civil Engineering

Civil Engineering

Civil Engineering
Hope infrastructure of national land development and national economy

Dong Ah Construction, which has opened the way to the world and established a place for a better life,
has contributed to balanced development of national land and development of national economy
through Civil Engineering and social infrastructure industry.

Creation of housing site / industrial complex / logistics complex

Busan Citizen Park Landscape Construction
Busan Citizen Park Landscape Construction
Busan New Port hinterland  International industrial logistics city (Step 1-1) Construction of general industrial complex(Zone 2)
Busan New Port hinterland International industrial logistics city (Step 1-1) Construction of general industrial complex(Zone 2)
Anjung Songdam District Land readjustment project creation construction
Anjung Songdam District Land readjustment project creation construction
Pocheon Hills Golf Course (27 holes) creation construction
Pocheon Hills Golf Course (27 holes) creation construction
Yeongnam Regional Complex Logistics Terminal and Inland Container Base Private investment facility business construction work
Yeongnam Regional Complex Logistics Terminal and Inland Container Base Private investment facility business construction work
SUDOKWON Landfill (3th Section)
SUDOKWON Landfill (3th Section)
Ansan New Town Development Stage 2 (2nd section)
Ansan New Town Development Stage 2 (2nd section)
Gimpo district reclamation farmland development project civil works
Gimpo district reclamation farmland development project civil works

Creation of a history of higher land values and prosperity

Dong Ah Construction has played a key role in laying the foundations for national economic development through the development
of land, housing site, and industrial development projects.
The Dongjin River basin reclamation construction, Daeho district seawall construction, Juam Multipurpose dam construction,
Hapcheon multipurpose dam construction, and Incheon landfill construction have made remarkable progress in agriculture and industry.
We are striving for the efficient use of national land while participating in numerous housing site and industrial complex construction
such as Changwon hinterland City 1st stage, Seoul Dogok, Gaya District housing site Development, Pohang District Land Readjustment
Project, Ansan New Town Housing site Development, Changwon Industrial Complex, Yeocheon Petrochemical Complex, Gunsan Imhae
Industrial Complex.

- Business performance in Creation of housing site / industrial complex / logistics complex View the list

Busan Citizen Park Landscape Construction

Busan Citizen Park Landscape Construction

Beomjeon-dong ~ Yeonji-dong, Busanjin-gu, Busan + view more

Busan New Port hinterland  International industrial logistics city (Step 1-1) Construction of general industrial complex(Zone 2)

Busan New Port hinterland International industria...

Beombang-dong, Gangseo-gu, Busan + view more

Anjung Songdam District Land readjustment project creation construction

Anjung Songdam District Land readjustment project ...

664 Songdam-ri, Pyeongtaek-si, Gyeonggi-do + view more

Pocheon Hills Golf Course (27 holes) creation construction

Pocheon Hills Golf Course (27 holes) creation cons...

San 24-1, Sangseongbokri, Gunnae-myeon, Pocheon-si, Gyeonggi... + view more

Yeongnam Regional Complex Logistics Terminal and Inland Container Base Private investment facility business construction work

Yeongnam Regional Complex Logistics Terminal and I...

Yeonhwa-ri, Jicheon-myeon, Chilgok-gun, Gyeongbuk + view more

SUDOKWON Landfill (3th Section)

SUDOKWON Landfill (3th Section)

The whole area of Baekseok-dong, Seo-gu, Incheon + view more

Ansan New Town Development Stage 2 (2nd section)

Ansan New Town Development Stage 2 (2nd section)

The whole area of Gojan-2 & 4 dong, Ansan-si, Gyeonggi-do + view more

Gimpo district reclamation farmland development project civil works

Gimpo district reclamation farmland development pr...

Gimpo Gyeonggi-do + view more

- Projects in progress in Creation of housing site / industrial complex / logistics complex View the list

Project Name Location Client
Godeok Industrial Complex industrial water works and Gokdong Internationalization Reservoir Pipeline construction(Zone 3) Godeok International New City Korea Water Resources Corporation

Road / Bridge / Dam

Pyeongtaek · Dangjin Port west dock entry road extension construction
Pyeongtaek · Dangjin Port west dock entry road extension construction
Construction work bridge connecting Dongdo-Seodo
Construction work bridge connecting Dongdo-Seodo
Saemangeum Waterproof agent Mankyung Zone 4 construction work
Saemangeum Waterproof agent Mankyung Zone 4 construction work
Construction work between Sangju ~ Youngdeok of National expressway Route 30 (Zone 11)
Construction work between Sangju ~ Youngdeok of National expressway Route 30 (Zone 11)
Gwanggyo New Town green network connecting green bridge installation work
Gwanggyo New Town green network connecting green bridge installation work
Osu-Galma road-widening construction
Osu-Galma road-widening construction
Cheongpyeong Station Area nearby road construction work
Cheongpyeong Station Area nearby road construction work
Osan Segyo Wide-area traffic improvement measures road construction work
Osan Segyo Wide-area traffic improvement measures road construction work
Road structure construction work such as Paju Unjung District underground roadway
Road structure construction work such as Paju Unjung District underground roadway
Expansion work between Naengjeong~Busan of national expressway Route 551(Zone 6)
Expansion work between Naengjeong~Busan of national expressway Route 551(Zone 6)
Expansion work between Busan-Naengjeong of national expressway Route 104(Zone 4)
Expansion work between Busan-Naengjeong of national expressway Route 104(Zone 4)
Donghae-Jumunjin express way line no.4 (8th Section)
Donghae-Jumunjin express way line no.4 (8th Section)
Yeonil Bridge repair construction
Yeonil Bridge repair construction
Dongdaegu-Gumi Express way line No. 1 Extension (3rd section)
Dongdaegu-Gumi Express way line No. 1 Extension (3rd section)
Hyeong-dong ~ Naeseo National Road (4lanes)
Hyeong-dong ~ Naeseo National Road (4lanes)
Extension, Pavement works of road 4 lanes between Hamyang~Sudong
Extension, Pavement works of road 4 lanes between Hamyang~Sudong
Daejeon-Tongyeong Express way(13th section)(Daejeon-Hamyang)
Daejeon-Tongyeong Express way(13th section)(Daejeon-Hamyang)
Namhae Express way(Naeseo-Naengjeong) Line No. 8 extension(6th section)
Namhae Express way(Naeseo-Naengjeong) Line No. 8 extension(6th section)
Incheon International Airport Express way(private investment project)
Incheon International Airport Express way(private investment project)
Hapcheon Multipurpose Dam
Hapcheon Multipurpose Dam
Gudeok Tunnel Construction Work (investment project)
Gudeok Tunnel Construction Work (investment project)
Daeho District Tide Embankment
Daeho District Tide Embankment
Wonhyo Grand Bridge Construction Work
Wonhyo Grand Bridge Construction Work
Jangseong Dam
Jangseong Dam
Namsan Tunnel Line No. 2
Namsan Tunnel Line No. 2

A crystal of future-oriented technology and experience

We have contributed greatly to the development of national key industries by performing highway construction across
the Korean Peninsula such as Hunan, Chungang, Yeongdong, Namhae, Donghae, Kumma, 88, highway Construction
between Pangyo-Guri and participating as a starter in the 'Metropolitan New Airport Expressway Corporation',
which will be the gateway to Korea in the 21st century,

- Business performance in Road / Bridge / Dam View the list

Pyeongtaek · Dangjin Port west dock entry road extension construction

Pyeongtaek · Dangjin Port west dock entry road ex...

Sinyeong-ri, Poseung-eup, Pyeongtaek-si, Gyeonggi-do ~ Sinpy... + view more

Construction work bridge connecting Dongdo-Seodo

Construction work bridge connecting Dongdo-Seodo

Udu-ri, Doksan-eup, Yeosu, Jeollanamdo + view more

Saemangeum Waterproof agent Mankyung Zone 4 construction work

Saemangeum Waterproof agent Mankyung Zone 4 constr...

Eoeun-ri, Okgu-eup, Gunsan-si, Jeonbuk + view more

Construction work between Sangju ~ Youngdeok of National expressway Route 30 (Zone 11)

Construction work between Sangju ~ Youngdeok of Na...

105 Mukgye-ri, Giran-myeon, Andong-si, Gyeongbuk + view more

Gwanggyo New Town green network connecting green bridge installation work

Gwanggyo New Town green network connecting green b...

Woncheon-dong, Yeongtong-gu, Suwon-si, Gyeonggi-do + view more

Osu-Galma road-widening construction

Osu-Galma road-widening construction

Osu-myeon ~Seongsu-myeon, Imsil-gun, Jeollabuk-do + view more

Cheongpyeong Station Area nearby road construction work

Cheongpyeong Station Area nearby road construction...

Cheongpyeong-myeon, Gapyeong-gun, Gyeonggi-do + view more

Osan Segyo Wide-area traffic improvement measures road construction work

Osan Segyo Wide-area traffic improvement measures ...

Segyo-dong, Geumam-dong , Naesammi-dongㆍOesammi-dong, Suje... + view more

Road structure construction work such as Paju Unjung District underground roadway

Road structure construction work such as Paju Unju...

Unjeong-dong, Paju-si, Gyeonggi-do + view more

Expansion work between Naengjeong~Busan of national expressway Route 551(Zone 6)

Expansion work between Naengjeong~Busan of nationa...

Yean-ri, Daedong-myeon~Andong Gimhae-si, Gyeongsangnam-do + view more

Expansion work between Busan-Naengjeong of national expressway Route 104(Zone 4)

Expansion work between Busan-Naengjeong of nationa...

Bongnim-dong, Gangseo-gu, Busan + view more

Donghae-Jumunjin express way line no.4 (8th Section)

Donghae-Jumunjin express way line no.4 (8th Sectio...

Gujeong-myeon ~Seongsan-myeon, Gangneung-si, Gangwon-do + view more

Yeonil Bridge repair construction

Yeonil Bridge repair construction

Saengji-ri, Yeonil-eup ~Hyoja-dong, Nam-gu, Pohang-si + view more

Dongdaegu-Gumi Express way line No. 1 Extension (3rd section)

Dongdaegu-Gumi Express way line No. 1 Extension (3...

Seokjeok-myeon ~ Jicheon-myeon, Chilgok-gun, Gyeongsangbuk-d... + view more

Hyeong-dong ~ Naeseo National Road (4lanes)

Hyeong-dong ~ Naeseo National Road (4lanes)

Hyeon-dong ~ Gamcheon-ri ,Naeseo-eup ,Masan-si, Gyeongsangna... + view more

Extension, Pavement works of road 4 lanes between Hamyang~Sudong

Extension, Pavement works of road 4 lanes between ...

Hwasan-ri, Sudong-myeon~ Ieun-ri, Hamyang-eup, Hamyang-gun, ... + view more

Daejeon-Tongyeong Express way(13th section)(Daejeon-Hamyang)

Daejeon-Tongyeong Express way(13th section)(Daejeo...

Simok-ri~ Gongbae-ri Hamyang-gun, Gyeongsangnam + view more

Namhae Express way(Naeseo-Naengjeong) Line No. 8 extension(6th section)

Namhae Express way(Naeseo-Naengjeong) Line No. 8 e...

Udong-ri ,Jinyeong-eup ~ Yangdong-ri ,Juchon-myeon ,Gimhae-s... + view more

- Projects in progress in Road / Bridge / Dam View the list

Project Name Location Client
Doan Bridge road opening construction Gwanjeo-dong, Seo-gu, Daejeon ~ Doan New Town(Next to Mokwon University) Daejeon Regional Public Procurement Service/Daejeon
Chupo-Amtae road construction work - Ministry of Land, Infrastructure, and Transport Iksan Regional Construction and Management Administration
Masan port entry road(Step 2-1) construction work Gapo-dong, Woryeong-dong, Masanhappo-gu, Changwon-si, Gyeongsangnam-do Changwon-si, Gyeongsangnam-do
Sihwa Step 2(Songshan Green City) development business East-west entry road construction work Zone 1 Gojeong-ri, Songsan-myeon, Hwaseong-si, Gyeonggi-do Korea Water Resources Corporation
National expressway Route 600 Busan Outer Cycle construction work Zone 4 Ugye-ri, Sangdong-myeon~Angok-ri, Hallim-myeon, Gimhae-si, Gyeongsangnam-do Korea Expressway Corporation

Airport / Harbor

Imwon Port maintenance business
Imwon Port maintenance business
Incheon Floodgate Door(10KT) Installation
Incheon Floodgate Door(10KT) Installation
Gwangyang Harbor Stage 1 Container Terminal Development Construction
Gwangyang Harbor Stage 1 Container Terminal Development Construction

A crystal of future-oriented technology and experience

We have excellent performance in the port construction sector, which is the base for maritime activities and international trade.
We constructed a complete floodgate and a wharf facility that connects the inner harbor with the outer harbor at the Incheon Port
general facility construction in which the difference between the rise and fall of the tide is up to 9m, and built Busan Port 7,8,
the largest international port in Korea. In addition, we have been recognized for the advanced technology of harbor construction
through container port construction of Gwangyang Port which is an industrial port, Gyeongin Energy Incheon Pier construction and
Busan Gadeok New Port construction.

- Business performance in Airport / Harbor View the list

Imwon Port maintenance business

Imwon Port maintenance business

Imwon-ri, Wondeok-eup, Samcheok-si, Gangwon-do + view more

Incheon Floodgate Door(10KT) Installation

Incheon Floodgate Door(10KT) Installation

The whole area of Incheon Inner Harbor 80-9, Bukseong-dong 1... + view more

Gwangyang Harbor Stage 1 Container Terminal Development Construction

Gwangyang Harbor Stage 1 Container Terminal Develo...

the Sea around Doi-dong and Hwanggil-dong ,Gwangyang-si, Jeo + view more

- Projects in progress in Airport / Harbor View the list

Project Name Location Client
Mulgun Port Multifunctional fish tank construction work Mulgun Port, Mulgeon-ri, Samdong-myeon, Namhae-gun, Gyeongsangnam-do Ministry of Maritime Affairs and Fisheries Masan Regional Office of Oceans and Fisheries
Geumjin Port maintenance business Geumjin Port, Geumjin-ri, Okgye-myeon, Gangneung-si, Gangwon-do Donghae Regional Office of Oceans and Fisheries
Busan Port North Port (Dongsam) International Cruise Pier Expansion Cruise Pier Maritime, Dongsam-dong, Yeongdo-gu, Busan Busan Regional Office of Oceans and Fisheries
Gampo Port maintenance construction Gampo Port, Gampo-ri, Gampo-eup, Gyeongju-si, Gyeongbuk-do Pohang Regional Office of Oceans and Fisheries
Mulgun Port Multifunctional fish tank construction work Mulgun Port, Mulgeon-ri, Samdong-myeon, Namhae-gun, Gyeongsangnam-do Ministry of Maritime Affairs and Fisheries

Railway / Subway

Honam High Speed Railway Vehicle Base construction work
Honam High Speed Railway Vehicle Base construction work
Gyeongbu high-speed railroad and Donghae Nambu Line Connection line construction work
Gyeongbu high-speed railroad and Donghae Nambu Line Connection line construction work
Honam High Speed Railway new roadbed construction 1-Zone 4
Honam High Speed Railway new roadbed construction 1-Zone 4
Kyungchun Double-Track Subway Section 5 Construction Work
Kyungchun Double-Track Subway Section 5 Construction Work
Roadbed for Dongdaegu ~ Cheongcheon Railroad(1st section)
Roadbed for Dongdaegu ~ Cheongcheon Railroad(1st section)
Seoul Subway Line No.5 (3-2nd section)
Seoul Subway Line No.5 (3-2nd section)

Victory of construction that overcame the limits of the environment

We constructed the Seoul Namsan 2nd tunnel (1,620m) and Busan Gudok Tunnel (1870m), the first privately-owned tunnel in Korea,
which is self-funded and have abundant construction experience and technology in tunnel construction by completely constructing
the tunnel construction of various expressway construction sections. We participated in Seoul Subway, Bundang Line National Railway
and Gwangju Subway Construction and successfully completed the construction work and have completed the construction
of the Busan subway construction, the first international port in Korea. Especially, in Seoul Subway Line No. 5 construction,
we played a role in raising the level of civil engineering in Korea by securely constructing the difficult construction work zone
of downtown with high-rise buildings. In addition, we are recognized for our ability to construct subway systems in Seoul
as well as major processes such as circulation structures, comprehensive command rooms, and vehicle bases.

- Business performance in Railway / Subway View the list

Honam High Speed Railway Vehicle Base construction work

Honam High Speed Railway Vehicle Base construction...

Sanjeong-dong, Gwangsan-gu, Gwangju + view more

Gyeongbu high-speed railroad and Donghae Nambu Line Connection line construction work

Gyeongbu high-speed railroad and Donghae Nambu Lin...

Gyeongbu high-speed railroad Shin Gyeongju Station ~ Donghae... + view more

Honam High Speed Railway new roadbed construction 1-Zone 4

Honam High Speed Railway new roadbed construction ...

Gongju-si, Chungcheongnam-do + view more

Kyungchun Double-Track Subway Section 5 Construction Work

Kyungchun Double-Track Subway Section 5 Constructi...

Daeseong-ri ~ Sangcheon-ri, Oeseo-myeon, Gapyeong-gun, Gyeon... + view more

Roadbed for Dongdaegu ~ Cheongcheon Railroad(1st section)

Roadbed for Dongdaegu ~ Cheongcheon Railroad(1st s...

The whole area of Hyomok-dong ,Dong-gu ~ Gacheon-dong ,Suseo... + view more

Seoul Subway Line No.5 (3-2nd section)

Seoul Subway Line No.5 (3-2nd section)

Sinmunno 2-ga ~ 18, Cheongjin-dong ,Jongno-gu, Seoul + view more

- Projects in progress in Railway / Subway View the list

Project Name Location Client
Seoul Metropolitan high-speed railroad (Suseo~Pyeongtaek ) Zone 2 new roadbed other works Geumgok-dong Sujeong-gu~Jeongja-dong, Bundang-gu, Seongnam-si, Gyeonggi-do Korea Rail Network Authority
Centerline Wonju ~Jecheon double track railway Zone 1 roadbed construction work 405-2, Daean-ri, Heungeop-myeon, Wonju-si, Gangwondo. Korea Rail Network Authority
Daegu Line Dongdaegu~Yeongcheon double track railway Zone 3 new roadbed construction Osu-dong, Yeongcheon~ Gyodae-ri, Geumho-eup, Yeongcheon-si, Gyeongbuk-do Korea Rail Network Authority

Environment / water and sewage

Disaster prevention facilities  expansion construction such as Sinwol rainwater storage drainage facility etc.
Disaster prevention facilities expansion construction such as Sinwol rainwater storage drainage facility etc.
Chungju-si Chungjucheon Ecological river restoration project
Chungju-si Chungjucheon Ecological river restoration project
Umyeonsan drainage connection and grit chamber installation project
Umyeonsan drainage connection and grit chamber installation project
Namyangju Byeollae Clean Center facility construction
Namyangju Byeollae Clean Center facility construction
Reviving the Han River (Namhangang) Zone 6 River maintenance business
Reviving the Han River (Namhangang) Zone 6 River maintenance business
Yangsan, Mulgeum Water Supply Facility Construction
Yangsan, Mulgeum Water Supply Facility Construction
Daesan Water Supply Facility Construction
Daesan Water Supply Facility Construction
Masan/Changwon Sewage Treatment Plant (2nd extension)
Masan/Changwon Sewage Treatment Plant (2nd extension)
Gongchon Sewage Terminal Treatment Plant Construction
Gongchon Sewage Terminal Treatment Plant Construction
Gayang Sewage Treatment Plant Expansion (1 Million Ton/Day) Work
Gayang Sewage Treatment Plant Expansion (1 Million Ton/Day) Work

Technology to protect the 21st century global environment

Dong Ah Construction creates a pleasant, harmonious environment with nature.
We are providing advanced capabilities in environmental technology by participating in the sewage and sewage purification projects
across the country such as Anyang sewage treatment plant, Pohang sewage treatment plant, Kimpo, Pohang waste landfill site
construction following the completion of waterworks construction including Juam Dam system Waterworks construction work,
Ganyang sewage treatment plant, Changwon sewage treatment plant, Masan sewage management facility, Ilsan waste disposal plant,
Incheon manure treatment plant.

- Business performance in Environment / water and sewage View the list

Disaster prevention facilities  expansion construction such as Sinwol rainwater storage drainage facility etc.

Disaster prevention facilities expansion construc...

915, Mok 1 dong, Yangcheon-gu, Seoul + view more

Chungju-si Chungjucheon Ecological river restoration project

Chungju-si Chungjucheon Ecological river restorati...

Seongnamgyo, Yongsan-dong~ Hyeondaegyo, Seongnae·Chungin-do... + view more

Umyeonsan drainage connection and grit chamber installation project

Umyeonsan drainage connection and grit chamber ins...

Umyeonsan, Seocho-gu, Seoul + view more

Namyangju Byeollae Clean Center facility construction

Namyangju Byeollae Clean Center facility construct...

In housing site development district, Byeollae-dong, Namyan... + view more

Reviving the Han River (Namhangang) Zone 6 River maintenance business

Reviving the Han River (Namhangang) Zone 6 River m...

Jeomdong-myeon, Yeonyang-ri, Yeoju-eup, Yeoju-gun, Gyeonggi-... + view more

Yangsan, Mulgeum Water Supply Facility Construction

Yangsan, Mulgeum Water Supply Facility Constructio...

Gachon-ri ,Mulgeum-eup ,Yangsan-si, Gyeongsangnam-do + view more

Daesan Water Supply Facility Construction

Daesan Water Supply Facility Construction

Changwon + view more

Masan/Changwon Sewage Treatment Plant (2nd extension)

Masan/Changwon Sewage Treatment Plant (2nd extensi...

714, Deok-dong, Masan, Gyeongsangnam-do + view more

Gongchon Sewage Terminal Treatment Plant Construction

Gongchon Sewage Terminal Treatment Plant Construct...

The whole area of Gyeongseo-dong ,Seo-gu, Incheon + view more

Gayang Sewage Treatment Plant Expansion (1 Million Ton/Day) Work

Gayang Sewage Treatment Plant Expansion (1 Million...

Around Gayang-dong, Seoul + view more

- Projects in progress in Environment / water and sewage View the list

Project Name Location Client
Gumi Wide-area waterworks(Level 1) Water supply reliability improvement business facility construction Chilgok-gun, Gumi, Gyeongsangbuk-do Korea Water Resources Corporation
Andong Northern District rural water development business engineering works 502, Junggagu-ri, Waryong-myeon, Andong-si, Gyeongbuk Korea Rural Community Corporation