• Provide detailed 3D Models of steel structure building to estimate the quantity and volume until misc. material for vendor bidding• Review Detailed Assembly Shop Drawings, Erection General Arrangement Drawing, and 3D Model from the fabricator, as per calculation, the standard, and the latest design drawing revision.• Answer any technical query from vendor fabricators regarding design and other matters• Make a progress report for Assembly drawing and Erection drawing submission from the fabricator.• Coordinate with engineering consulting services regarding unclear design.• Checking clash between steel structure to other interface material• Creating a Method Statement for Steel Structure Installation• Creating a Lifting Plan • Create a 4D schedule erection simulation.• Controlling construction phase including fabrication and erection as per Schedule• Controlling material steel structure as per packing list and installation• Designing and Calculating Structure as per site condition.

• Provide a 3D drawing of site surface condition, designing grading stockyard, lay down, and access road using Autocad Civil 3D• Calculate Bridge material estimation• Calculate the volume of cut and fill using Autocad Civil 3D• provide a shop drawing of the temporary office and facility• Support Quantity Surveyor to create BOQ

- Calculate material requirements for culvert box- calculate the need for retaining wall reinforcement- Analyzed tendon tension in the box girder- Created a girder box erection box- Model 3d Sentul interchanges- Take aerial photos of the Sentul interchange project area- Processed aerial photography into 3D models- Oversee the installation of the pier and pile cap reinforcement- Oversee the implementation of the pier and pile cap casting- Oversee the installation of the pier and pile cap formwork- Identify the density of the pavement layers