• Following the Aanwijzing process of technical and administrative explanations of a tender to ensure BoQ data.• Conducting location checks (if needed) to ensure the project location is in accordance with the BoQ and DED drawings from the User/Project Owner.• Calculating unit prices by checking material prices on the market.• Compiling a price offer letter (RAB price offer) based on valid data and calculations obtained.• Accompanying the Sales unit in the negotiation process with the Project Owner if necessary.• Harmonizing the RAB according to the results of the negotiation agreement and giving it back to the User.• Making RAB justification with partners (suppliers) for approval to superior.

Data processing on surface coordinates of petroleum exploitation drilling locations at PT. Pertamina EP Regional 2 Zone 7 on the Jatiasri site (JAS-F and JAS-F/2) and making a site plan map (initial) to detail the situation (final) of the Jatiasri site.

Land data processing using Autocad and survey document validation