Project Description

Lead geotechnical consultant that provided design and construction oversight for the $120 million Worli-Bandra Sea-Link Project. The project is located in Mumbai, India and includes a 5.6 km bridge with a 500 m cable stay portion. The geotechnical services included planning and monitoring of the subsurface investigations consisting of over 800 borings, the design for (700), 2.0 m and 1.5 m large diameter drilled shafts, embankment and seawall design, seismic analysis, borrow source selection, reclamation, and inspection services during construction. Working loads on the shafts range from 2 MN to 25 MN and were constructed from a jack-up platform using a reverse circulation drilling unit and ranged in length from 4 m to 40 m in up to 7 m of water. In addition, four Osterberg cell load tests in a split cell configuration were performed to validate design assumptions and assess construction practices.