Brief introduction of No.4 Engineering Co., Ltd. of China Communications No.1 Navigation Bureau

The company was established in 1952. In the course of 60 years' wind and rain, it has moved to the north and south, galloped east and west, and traversed at home and abroad, realizing the all-round development of "land, sea and air" in the construction field. It has left a series of shining footprints in building construction, port waterway, municipal engineering, airport runway, foundation treatment, steel structure engineering, electromechanical installation, pipeline engineering, rail transit and other construction fields.

The company has a registered capital of 2 1069 million yuan, total assets of 2.022 billion yuan and employees of/kloc-0.625 people. In recent years, the company has continuously achieved leap-forward development. 20 1 1 year, the company's independent business amount is 4.5 billion yuan, and the construction output value exceeds 5 billion yuan. The qualified rate of unit project acceptance 100%, the excellent rate of completion acceptance 100%, and the customer satisfaction rate above 95%.

The company has nearly 20 project management departments and branches with comprehensive construction capabilities, which are distributed in Tianjin, Liaoning, Hebei, Shandong, Shanxi, Qinghai, Shanghai, Zhejiang, Jiangsu, Sichuan, Guangxi, Guangdong, Guizhou, Shaanxi and other provinces and cities, as well as overseas countries and regions such as Mauritania and Libya.

At the same time, the company also has specialized companies and institutions such as commercial concrete supply Co., Ltd. and testing center. The company's testing center is the first-class laboratory of water transport engineering of the Ministry of Communications, the first-class laboratory of Tianjin construction enterprises and the quality testing center of coastal construction engineering. Hangbao Commodity Concrete Supply Co., Ltd. was recognized as a small and medium-sized science and technology enterprise in Tianjin.

The first part is casting fine products and building brands.

The company has nine construction qualifications: first-class general contracting of housing construction projects; First-class general contracting for port and waterway construction; Municipal public works construction general contracting level 1; Airport road engineering professional contracting level 1; Foundation and foundation engineering professional contracting level 1; Steel structure engineering professional contracting level 1; Mechanical and electrical equipment installation engineering professional contracting level 2; Pipeline engineering professional contracting level 3; Highway engineering construction general contracting level 3.

building operations

Over the years, the company has built a series of high-rise buildings, such as Tianjin North Building, Comprehensive Building of No.1 Navigation Bureau, Coastal Radio Complex Building of Tianjin Maritime Safety Administration, Qianwan Building of Qingdao, Shandong, and Comprehensive Business Building of Tianjin Port No.24 Company.

Among them, the Crowne Plaza Zhong Yi Qingdao project undertaken by the company, with a main height of188.8m and a construction area of 73,308m2, was rated as a quality project in Qingdao and won the title of "Best Contractor"; The CCCC Terminal 1, which was built by this company, won the "National Customer Satisfaction Project Award" and the "National Silver Award for Quality Project".

Qihang Jiayuan project is the first housing construction project invested and constructed by Yihang Real Estate Company. The project is mainly composed of eight high-rise buildings with a total construction area of108,000 square meters. In Tianjin Dongjiang Port Area, the company undertook the construction project overlooking Haixuan, consisting of eight high-rise buildings, which is the first high-rise seascape project in the port area.

In the construction of industrial workshops and warehouses, the company has undertaken a number of representative projects. Among them, the workshop project of Changxing Island Base of Shanghai Zhenhua Port Machinery Co., Ltd., with a total construction area of 36,000 square meters, is the largest single workshop project undertaken in the history of No.1 Navigation Bureau. In Dongjiang Port Area of Tianjin Port, the company has built 37 terminal logistics processing warehouses with a total area of 365,438+0,000 square meters.

Ports, waterways and water conservancy projects

In the field of port waterway and water conservancy construction, the company has successively participated in the construction of Yingkou Port, Bayuquan Port, Qinhuangdao Port, Jingtang Port, Caofeidian Port, Tianjin Port, Huanghua Port, Binzhou Port, Qingdao Port, Rizhao Port, Beilun Port and Shantou Port, and poured one excellent project after another.

Among them, the waterway regulation project outside Shenhua Huanghua Port, the slipway and wharf project of Qingdao Hyundai Shipbuilding Co., Ltd., the Bayuquan Waterfront Wharf project of Angang and the 65,438+500,000-ton bulk cargo berth project of Shandong Rizhao Lanqiao are the classic works of the company's hydraulic engineering, with the largest caisson loaded and installed weighing 3,850 tons.

The port and waterway project that the company participated in won 3 Luban Awards and 2 Zhan Tianyou Awards, and also won many honorary titles such as 100 classic excellent projects in the 60th anniversary of the founding of New China.

The company has also undertaken water conservancy projects such as the lock water conservancy project of Shangyu section of Hangzhou-Ningbo Canal in Zhejiang, the wharf project of Yanghe Port Area in Liuzhou, Guangxi, and the upper approach channel of the three-line and four-line lock of Changzhou Water Control Project in Wuzhou.

At present, the company has built 9 dumper rooms, which has created the fastest record in the history of dumper room construction for many times. Among them, the dumper room in Jingtang Port with a diameter of 70 meters only took 6 and a half months to complete the main project. The dumper room of Shenhua Huanghua Port Phase III under construction is a "four-wire and four-turn" structure with an inner diameter of 96 meters, which is the largest coal loading and unloading hub project in the world at present.

The third phase coal silo project of Huanghua Port undertaken by the company is the first coal storage silo group in China Port and a major environmental protection project of the national coal port. It consists of 24 silos, with a single silo capacity of 30,000 tons, ranking first in China in terms of single silo capacity and total quantity.

Mechanical and electrical equipment installation

The company has successively undertaken a large number of electromechanical equipment installation projects such as Nanjiang Oil Terminal of Tianjin Port, Qinhuangdao Port Oil Terminal, Qingdao Port Huangdao Phase II oil process pipeline, oil arm and oil tank project, Tianjin Port Nanjiang Petrochemical Terminal, Qingdao Port Huangdao Coal Terminal, etc. At the same time, it has also built a number of high-level industrial electromechanical installation projects, such as Motorola Industrial Workshop in Tianjin Development Zone and Sino-American SmithKline Pharmaceutical Factory.

Roads and bridges

In the field of highway bridge construction, the company has completed more than 400 kilometers of roads and bridges. The company has undertaken many projects such as Tianjin Jiefang South Road Overpass, Zhejiang Hangning Expressway, Zhejiang Yongtaiwen Expressway, Yunnan Gaohai Expressway, Hebei Zhangshi Expressway, Yingkou Development Zone BT Project Road Network, Beijing-Shanghai Expressway Bridge, Beijing-Tianjin Expressway Bridge, Lianyungang Li Anyun Xincheng Guangxin Road Lagoon Bridge, etc.

The total length of Tianjin Haibin Avenue Project is 9. 12 km, of which the bridge is 8.6 km long, which is the longest bridge project on the beach in northern China. In the box girder erection construction, the company's Zhang Zhihua Bridge Erection Team overcame the rare super-long transportation distance and created a single-shift 35m box girder 14 and a single-shift 50m T beam 9. Its beam yard has become a model of "standardization, industrialization and scale" construction of national highway beam yard, which has been highly praised by the inspection team of the Ministry of Communications.

In the Tianjin Avenue project, the company is in the forefront of all the work in the competition of six "Chinese" prefix enterprises on the same stage. The project has won the "Tianjin Gold Award Haihe Cup" and the "National Municipal Gold Cup Demonstration Project Award".

The two sections of Guangxi Longbai Expressway undertaken by the company are 40 kilometers long, and the pavement works of Guidu Expressway are 34 kilometers long, which are the two longest expressway pavement works undertaken by the company in history.

Rail transit engineering

In the field of rail transit engineering, the railway that the company participated in is 88.5 kilometers long, of which the tunnel is 44.5 kilometers long. Participated in the construction of Tianjin Light Rail, Tianjin Subway, Harbin-Dalian Passenger Dedicated Line, Beijing-Shanghai High-speed Railway, lanzhou-chongqing railway-Lanzhou Railway, and South-central Shanxi Railway. Among them, the rapid rail transit project from Tianjin to Binhai New Area won the National Silver Award for Quality Project.

In the labor competition of the first 900-ton box girder of Harbin-Dalian high-speed railway project, the company made great contributions to the first place in the middle traffic control section of No.1 Aviation Administration, and its performance was among the best in Harbin-Dalian Railway.

In the Beijing-Shanghai high-speed rail project, the company has continuously strengthened standardized management and obtained three green notices for Beijing-Shanghai high-speed rail. The construction technology of Zhangtanghe continuous beam has also won the visit and promotion of the whole Beijing-Shanghai line.

Tianjin Metro Line 3 initiated by this company is the first subway project of No.1 Airport Bureau. Its foundation pit is 25 meters deep, which is the deepest foundation pit in the company's history and sets a typical example of no leakage in the 25-meter deep pit.

Foundation and foundation

In recent years, the company has been committed to the research of foundation treatment technology, and the vacuum preloading ultra-soft soil foundation reinforcement technology has been in the leading position in the country, and won the national "Sixth Five-Year Plan" scientific and technological research award and two patents. At present, the total reinforcement area of companies adopting this technology has reached more than 25 million square meters.

Airport engineering

With the rich achievements accumulated over the years, the company became one of the first units to obtain the civil aviation airport construction license issued by the Civil Aviation Administration of China.

Since 1985, the company has successively participated in the construction of Shaanxi Yanliang Airport, Jinan Yao Qiang Airport, Macau International Airport, Tianjin Binhai International Airport, Shanghai Pudong International Airport, Shanghai Hongqiao International Airport, Beijing Capital International Airport, Hangzhou Xiaoshan Airport and Wenzhou Yongqiang Airport.

The company's airport non-stop construction technology is in a leading position in the same industry. Three projects won the highest municipal engineering award-china municipal engineering Jinbei Award, and two of them were "china municipal engineering Jinbei Demonstration Project". In addition, they also won the Luban Award, Zhan Tianyou Award, National Silver Award for High-quality Projects, National Customer Satisfaction Project and 100 Classic Excellent Projects for the 60th Anniversary of the Founding of New China. The company also won the Shanghai Municipal Engineering Gold Award and the first prize of scientific and technological progress.

Energy conservation and environmental protection project

In terms of energy conservation and environmental protection, the company has undertaken Tianjin Dongjiang sewage treatment project, Liaoning Gaizhou sewage treatment plant project, Shandong Rizhao Lanshan harmless garbage treatment plant project and three wind power generation projects in Weifang and Weihai, which sounded the clarion call for the company to enter the field of energy conservation and environmental protection projects.

Gardening project

The Ji Fen Bridge in Taiyuan, Shanxi, undertaken by the company is the largest steel pedestrian landscape bridge project in China and the ninth largest in the world. Its DNA hyperbola design is novel and unique, which is very rare in the history of bridge architecture at home and abroad. After completion, it will become a landmark building in Taiyuan.

In addition, the company also undertook the renovation project of Shanhai Square and Beach in Yingkou Development Zone, which is the crowning touch of Bayuquan. The largest wooden structure project in China, Tianjin Dongjiang Bay Scenic Area, the comprehensive wooden structure supporting project, the Wangershan Landscape Bridge in Yingkou Development Zone and the revetment project outside No.3 Gate of Caofeidian Industrial Zone.

Overseas engineering

Since 1970s, the company has gone abroad, built a 300,000-ton wharf in Malta, built the Indus River Passage in Pakistan, and completed many projects in Mauritania, such as Friendship Port, Nouakchott urban water supply and sewage treatment, Akrout-Atal national highway, Kifa dam, and Kede-Selibabi highway. 20 1 1 Company successfully won the bid for the third section of Maurial-Dujiakejia Highway.

The Rosso-Bogay highway project built by the company was praised by the Mauritanian President and rated as a "model project" by investors, the African Development Bank and the Organization of Petroleum Exporting Countries Foundation.

Towards excellent scientific development

Since the 11th Five-Year Plan, the company has constantly adapted to the new changes in the market competition pattern, seized the historical opportunity of national construction and development, constantly pursued a new realm, constantly managed the soft environment, concentrated on development, and strived to enhance its management advantages, thus building a successful road to a strong market competition.

After 1998 passed the ISO-9002 quality system certification, the company passed the "trinity" management system certification of quality management, environmental management and occupational health and safety management in 2003.

Talent is the core resource of the company. At present, among the company's employees, * * * has senior title 1 18, first-class constructor 136, national excellent project manager 12, national industry excellent project manager 12, national excellent constructor 8 and municipal excellent project manager 25. In addition, the company has 14 "Tianjin Model Workers". Zhang Zhihua was also named "National Model Worker" and Liu Yang was named "Tianjin Worker Inventor".

The company has always adhered to the development path of technical management. By the end of March 20 12, the company had applied for 2 patents1piece and granted 4 patents1piece, including 6 invention patents and 8 utility model patents.

The projects undertaken by the company won 23 national awards such as Luban Award, Zhan Tianyou Award, china municipal engineering Gold Cup Award, National Silver Award for High-quality Projects, 2 "100 Classic Projects" for the 60th anniversary of the founding of New China, and 1 "National AAA safety, civilization, standardization and integrity construction site". The company has won 78 provincial and ministerial awards, established 3 provincial and municipal "civilized construction demonstration sites" and 23 provincial and municipal "civilized construction sites", and won 5 "Golden Haihe Cup Awards" in Tianjin.

The company was rated as "National Excellent Construction Enterprise", "National Customer Satisfaction Construction Enterprise", "National Contract-abiding and Credit-abiding Enterprise", "National Advanced Unit of Customer Satisfaction Project Construction", "National Excellent Construction Enterprise of Safety Production", "National Advanced Unit of Quality Management", "National Excellent Construction Enterprise of Water Transport System", "National Excellent Unit of Cultural Construction of Transportation Enterprise" and "National Home of Model Workers". Since 1994, the company has been continuously approved by the banking system as an AAA credit enterprise.

Sixty years of hard work, sixty years of accumulation. Today's aviation company is like a bright pearl embedded in the vast Bohai Sea. Facing the new situation of national development, the company will follow the strategic deployment of China Communications Construction Co., Ltd. and China Communications No.1 Aviation Bureau Co., Ltd., take Scientific Outlook on Development as the overall development of the enterprise, and stride forward to the goal of a first-class modern construction enterprise with high morale and entrepreneurial pride. ..