This project is at Jebel Ali area in Dubai. The project is about Construction of a deep-tunnel storm water network, which will collect rain and surface water in deep tunnels and then discharge it into the sea. Dubai needs a supportable answer for give flexibility to outrageous precipitation occasions and oversee elevated amounts of groundwater in a growing urban zone. The arrangement, planned by our group in Dubai, is one of the biggest incorporated seepage burrows in the area. The Dubai Deep Tunnel Storm Water System will deplete 40% of the whole urban territory of the city. It will serve the entire of Duba. The framework has five components, a groundwater and stormwater gathering system; a 10km, 10m distance across, 45m profound passage; a holding lake; high productivity siphoning station; and an ocean outfall. The structure additionally takes into consideration future sun oriented power age from a gliding sun based park on the holding lake. This isn't only a physical answer for a noteworthy framework challenge - our group took our customer on an adventure of arrangement advancement to permit appropriation of Sustainable urban Drainage Systems without precedent for the district. By constraining tempest streams at source, the fabricated arrangement, albeit still amazing in scale, is enhanced in size, cost and natural execution. It has been divided into three packages: - Contract DS 233-01 - Pumping Station: Proposed works consist of a Pumping Station with capacity of 30 cubic meters/second @55m head screen/gate structure 1 connecting Tunnel 1 overflow structure 1 outfall 3 2000mm diameter pipes 600m long with diffusers. - Contract DS 233-02 - Main Tunnel: Proposed works under this design-build tender package include a Main Tunnel Main tunnel, which will have a total length of 12 kilometers and a diameter of 10 meters, construction shafts - 3, converted later to drop shafts, drop shafts-2, connecting chambers - near surface structures connected to shafts, tunnel connection - connection to Contract DS 233-03 tunnel shaft and to DS 233-01 screen/gate structure of pumping station by sequential excavation methods. - Lateral tunnel: Proposed works under the design-build tender package include a lateral tunnel 9m ID, 11,150m, construction shafts 3, converted later to drop shafts, drop shafts 2, micro-tunnel launch shaft and trench-less connection 1, connecting chambers near surface structures connected to shafts, tunnel connection stub connect to Contract DS 233-02 tunnel at Interchange No. 10 at Sheikh Zayed Road. The current design has been prepared to the preliminary design level. Final design is to be carried out by the design-build contractor. The storm water tunnel network has been identified as a key project to prevent any future flooding of Al-Maktoum International Airport and the surrounding area, which will include the Expo 2020 site. Client has invited contractors to prequalify for the main contract by February 28, 2016.