Acting as group leader and principle civil/structural engineer in Enppi Company. My Experience 21 years, 17 in Structural Engineering + 4 project Management. I joined Enppi in 2004 for 19 years. Different Experience in EPC project with various Owners (British Petroleum, Saudi Aramco, Yasref, UGDCO, KBR and Technip as a main contractor. Soil Improvement techniques, actually, my graduate project was Soil Mechanics and Foundation systems. So, I studies a lot of special and selective coursed as deep excavation, dewatering, Soil Improvement. Then in YASREF project, a lot of geotechnical knowledge support me how to deal with SABKHA soil in yanbu. how to review Keller and MENARD design report. we used a lot of improvement techniques, Vibro-compaction, Dynamic compaction, Dynamic Replacement. Soil improvement technique is most feasible in cost and schedule wise especially when it comes with superstructure can withstand differencial settlement.