William is interning in the construction of clusters of 3-story residential houses 225 units and has a sports lounge by PT Bangun Prima Sentosa. The location is Lingkar Barat street, Panunggangan Tim, Pinang District, Tangerang City 15143. As the field engineer intern, William carries out supervision of work in the field, such as checking the arrangement of steel structures on beams and columns, carrying out administrative interests in projects, assisting project logistical readiness, supervising casting and plumbing activities, carrying out a series of tests on construction readiness.