Existing Construction & Repair

Background As the largest city in the state of Jalisco, Guadalajara, the “most Mexican of the Mexican cities,” is renowned for it’s high-tech economy as well as being a major trade and tourist destination centre of which the bustling municipality, Zapopan, is the busiest and most popular among tourists and developers. The vibrant housing market … Read More

Background The Seattle Iron & Metals scrap metal yard is subject to extreme abrasion from bucket loaders feeding an automobile shredder. In 1999, the existing site was paved with 3 inches of asphalt capped with 12 inches of standard concrete pavement. Railroad tracks were set into the concrete so that loader buckets would rest on … Read More

Background Wellington (New Zealand’s capital) is situated alongside Wellington Harbour and is home to many museums, theatres and arts festivals and is a leading centre for creative industries, such as film and computer technology. It is also the new location for the New Zealand Stock Exchange (NZX) which is situated inside the historic Odlins building … Read More

Background In 1999, American Airlines began construction on a USD 1.4 billion terminal complex on the area of 200,000 square kilometres (50,000 acres) to replace Terminals 8 and 9 at New York’s JFK International Airport. Scheduled to be completed in 2007, the complex was meant to serve domestic and international passengers on three concourses and … Read More

Background The Russian Orthodox Church of The Holy Trinity stands beautiful and leak-free, sixty-nine years after it was first built (traditional Byzantine architectural style) in the East New York section of Brooklyn in 1935. It is well known for its unique, colorful and valuable wall paintings. In the summer of 2003, there was great concern … Read More

Background As the major passageway connecting Kunming, the capital city of Yunnan Province, with the South West area of the province, Yuanmo Highway is playing an important role of enabling the province a sustainable economic growth. With two tunnels to separate traffic flow from each direction and each tunnel having two lanes, the 6597 meter long … Read More

Background A villa swimming pool in Mamzar (Dubai) required a waterproofing system that would stop severe leakage due to tremendous hydrostatic pressure. Several previous attempts were made to stop the leaks with various repair materials. However, none were able to withstand the strong hydrostatic pressure. Solution In November 2003, GST was contracted to supply the … Read More

Background A conventional external waterproofing membrane was specified for this Fire Vehicle Repair Facility but during construction concern grew for potential leakage. Many details in the below grade concrete such as mechanics’ trenches, hoist pits and sump pits proved to be difficult for conventional membrane installation. Also, poor soil conditions in high water table areas … Read More

Background A state of the art office building with shops and restaurants, the Greater London Authority Building is also home to the Major’s office along the Thames River, next to the Tower of London. The underground concrete tunnels and transformer room were constructed using conventional waterproofing systems but leaks occurred through the cold joints and … Read More

Background The swimming pool is situated on the 5th floor in the office building of Dalian Sunbetter Group, in the same length of the building and uses the slab of 5th floor as its bottom slab. This kind of design requires the corrosion resistance for rebar, as well as the prevention of cracks and leakages caused by … Read More