◆ CGGC has received a national record for the underground 76.6m-deep cut-off wall for the shaft fening of Lot II-A across Yellow River of South-to-North Water Transfer (Middle Line Phase I).
◆ CGGC has received a world record for removal quantity and difficulty on 6 June, 2006 when the TGP RCC Cofferdam Removal was Blasted with a total removal 186,300m³, boring 15000m³, charging 191.3t and water filling 3.46million m³.
◆ CGGC has completed the TGP dam section before the powerhouse in Phase III completed within 33 months and 7 days from 2003 to 2006, 9 months ahead of schedule with annual average rate of 63.7m and maxi rate of 68m.
◆ National Record of river closure:river closure of Pubugou HPP on Daduhe river in 2005 with maxi flow of 8.1m/s and drop of 4.35m at the gap.
◆ 2005: “First Prize of Computer Simulation for Bench Blasting” by Sinohydro Corporation to the Construction Science and Technology Research Institute of CGGC.
◆ 2005: “Top 100 Construction Material Enterprises” to the Gezhouba Cement Factory of CGGC by China Building Material Industry Association and Department of Industry & Transporation, National Bureau of Stastics of China.
◆ National Record at highest elevation: cut-off wall under and above the cavern on thick overburden on right bank of Yele HPP in 2004 at EL. 2639 with maxi depth of 160m and depth of single wall of 84m;
◆ National Record at maxi depth: cut-off wall in the thick overburden on right bank underneath of which is curtain grouting of 120m deep and vertically impermeable treatment is 220m deep inside the 420m deep overburder on right bank;
◆ National record of deepest impervious curtain in overburden: curtain grouting of Xiabandi HPP in Xinjiang constructed by CGGC in 2003 was of 158m deep
◆ 2003: Turbo-generator units installation: No. 4, 5, 6 units were installed and operated for power generation in 2003 by CGGC, which established a national record for annual installed capacity of 2100MW in the same project by same construction company.
◆ 2003: CGGC created new world records in phase III RCC cofferdam construction as maxi placement area of 19,012m2 , monthly rate of 476,000m3 , daily rate of 21,066m3 , shift rate of 7438.5m3 , hourly rate of 1278m3 and so on.
◆ 2000: Luban Prize to Geheyan HPP wholly constructed by CGGC, first time to a company who built a HPP of 1000MW solely.
◆ 2000: World record of annual concrete placement of 2,581,000m3 by a hydroelectric construction enterprise (CGGC) in a hydroelectric project (phase II of TGP).
◆Shuibuya Dam, the highest CFRD in the world, Longtan Dam, the highest RCC dam in the world, Xiaowan HPP, the highest concrete arch dam.
◆ Gezhouba Cement Factory: largest special cement production base with annual production of 3 million tons in 1999 and one of the Top 10 of Chinese cement factories.
◆ 1999: national record of building one HPP and installing four turbo-generator units (4*550MW) with one erection bay in Ertan HPP by the JV of CGGC and a Germany Company. The turbo-generator unit (550MW) of Ertan HPP was the single unit with largest installed capacity in China in 20 century and the successful installation of the unit indicated that CGGC ranked top one of E & M installation in China.
◆ 1997: T GP river closure on main channel established four world records as inflow 8,480~ 11,600m3 /s, water depth of 60m , daily rock riprap of 194,000m3 and hourly riprap of 17,100m3.
◆ National records of daily and monthly earth-rock excavation of 30,000m3 and 5.8million m3 were established by CGGC during the construction of right bank open channel in Phase I of TGP, the largest open channel in the world. National record of monthly advance of 223.4m by CGGC in the excavation of Maopingxi Discharge Tunnel of TGP.
◆ National records of daily and monthly earth-rock excavation of 30,000m3 and 5.8million m3 were established by CGGC during the construction of right bank open channel in Phase I of TGP, the largest open channel in the world. National record of monthly advance of 223.4m by CGGC in the excavation of Maopingxi Discharge Tunnel of TGP.
◆ 18 Dec, 1994: CGGC group company established and become the sole architecture company among those in the first trial group of large companies approved by the State Council.
◆ 1993: annual installed turbo-generator units of 6 sets and installed capacity of 1540MW such as Geheyan HPP in Hubei, Manwan HPP in Yunnan and Tianshengqiao HPP II in Guangxi, 54% of the national installed capacity.
◆ 1991 ～ 1995 ： underground powerhouse of Ertan HPP, largest underground powerhouse in Asia in 20 th century, constructed by the Joint Venture of CGGC and Germany Company.
◆ 1970' s ~ 1980' s: Gezhouba Project solely built by CGGC established more than 100 national records in hydroelectric field, pushing Chinese hydropower technology to world level.
◆ 1987: three Top One in China by CGGC as annual installed number of units, installed capacity and progress by that time.
◆ 1981: first river closure on Yangtze River by CGGC, which made Chinese river closure technology rank in top level in the world.
◆ CGGC has received Chinese Society for Electrical Engineering Power Science & Technology Advance Award 2005.
◆ CGGC has been recognized by Hubei Provincial Government for it sophisticated Science & Technology.
◆ CGGC has received Ministry of Construction and Chinese Association of Architecture Luban Prize 2005, the top prize in architecture, for its excellence in Dachaoshan HPP.
◆ CGGC has been mentioned by National Engeering Quality Commission in the Silver Medal of National High Quality Projects 2005 for its sound performance in Shuibuya HPP.
◆ Guizhou-Guangzhou AC 500kv transmission line and Fengmeng 500kv transmission line, a project contracted by Power Company Ltd. has been voted “ High Quality Projects in 2005” by National Engeering Quality Commission.
◆ CGGC Real Estate Company has been crowned Habitat Scroll of Honour Award in UN International Week of Science & Peace and Top 200 Real Estate Enterprises in China by Association of Chinese Estate Developers in 2005.
◆ CGGC has received“Top Prize of Power Science Technology for Shaipai RCC Arch Dam Technology Research 2005” & “First Prize of Application Research of Soft Rock Face Rockfill Dam” from Chinese Society of Electrical Engineering and Office of Chinese Power Science Technology Awards.
◆ CGGC has been awarded “Top Prize of Computer Simulation for Bench Blasting 2005”, an award jointly sponsored by Sinohydro Corporation to the Construction Science and Technology Research Institute of CGGC
“Top 100 Construction Material Enterprises 2005” has found its way to the Gezhouba Cement Factory of CGGC from China Building Material Industry Association, Department of Industry & Transportation and National Bureau of Statistics.
◆ CGGC has received Luban Prize 2004, top architecture prize from the Ministry of Construction & CCIA for its excellence in Dongshen Water Supply Project.
◆ CGGC has installed the No. 4, 5, 6 units for power generation, setting a new national record for annual installed capacity of 2100MW in the same project by same constructor in 2003.
◆ CGGC has created new world records in 2003 in phase III RCC cofferdam construction at the maximum placement area 19,012m³, monthly rate 476,000m³, daily rate 21,066m³ , shift rate 7438.5m³ and hourly rate 1278 m³.
◆ CGGC has received Luban Prize 2000 to Geheyan HPP, a project wholly constructed by CGGC. It is also the first time that the award was granted to a company which built a HPP of 1000MW on its own efforts.
◆ CGGC has attained a world record in 2000 with an annual concrete placement of 2,581,000m3 in its exposure to Phase II of TGP of a hydroelectric project.
◆ Since its initiation in 1970s, CGGC has built more than 100 dams of different types on large rivers within and without China. With the construction of these dams came two sophisticated technologies for RCC and CFRC. CGGC is the contractor of a multitude of high-profile dams in China. Name but a few: Gezhouba Dam, the largest gate dam in China in the 20th century, Maopinxi Protective Dam, Daguangba earth-rock dam ,the first asphalt concrete core wall dam 100m high and the longest earth-rock dam in Asia in the 20th century and Xibeikou dam, the first CFRC trial dam 100m high in China.
◆ Gezhouba Cement Factory is the largest special cement producer with an annual production capacity of 3 million tons in 1999 and one of the Top 10 Chinese cement factories.
◆ CGGC has scored a national record in 1999 for its building one HPP and installing four turbo-generator units (4*550MW) with one erection bay in Ertan HPP by the JV of CGGC and a Germany Company. The turbo-generator unit (550MW) of Ertan HPP was the single unit with largest installed capacity in China in the 20th century and the successful installation indicated that CGGC ranked top in China’s E & M installation.
◆ CGGC has hit four world records in 1997 for its outstanding performance in TGP river closure on main channel with inflow 8,480~ 11,600m³ /s, water depth 60m ,daily rock riprap 194,000m³and hourly riprap 17,100m³ .
◆ 1997 saw the founding of China Gezhouba Group Co. Ltd., the first listed company of hydropower construction companies in China
◆ CGGC has registered national records of daily and monthly earth-rock excavation of 30,000m³and 5.8million m³ during the construction of right bank open channel in Phase I of TGP, the largest open channel around the world. It has also attained a national record with an monthly excavation of 223.4m in the Maopingxi Discharge Tunnel, a apart of the Three Gorges Project.
◆ On Dec.18, 1994, CGGC set up the sole architecture company among those in the first trial group of large SOEs approved by the State Council
◆ In 1993, 6 unites represented by Geheyan HPP in Hubei, Manwan HPP in Yunnan and Tianshengqiao HPP II in Guangxi,were installed with an annual installed capacity of 1540MW, or 54% of the national installed capacity
◆ Between 1991 and 1995, the underground powerhouse of Ertan HPP, largest underground powerhouse in Asia in the 20th century was constructed by the Joint Venture of CGGC and a Germany Company.
◆ Between 1970s and 1980s, CGGC set more than 100 national records in Gezhouba Project, a dam project it solely built, pushing Chinese hydropower technology to world level.
CGGC attained three No.1s in 1987 with an annual installed number of units, installed capacity and progress in the construction of Gezhouba Project.
◆ The first river closure on Yangtze River by CGGC in 1981 enabled Chinese river closure technology to rank top worldwide.
