Making and confirming daily and monthly construction quality documents to ensure the conformity between design requirements and reality at the construction project. - Make a dossier of the volume of arising and changing items compared to the construction design dossier already approved by the investor. - Prepare project payment and settlement documents. - Prepare cost estimates and pay for the arising volume of the work, adjust the price of the work when the policy regime changes. - Maintain records and related documents according to the progress and quality of the project.