After a period of time, the project scope was approved and implemented. Five weeks have passed, and the project is underway. The site has been established, the initial survey set-out work has been completed, and the project's earthworks are ongoing. The project is going as per schedule; however, bad weather has delayed the earthworks by 5 days. In response to the progress report, you have just received an email from the Project Manager and manager ask to road box further 200mm from chainage 40 -160 for North Western lanes. As per the new design, we must import 300 m3 of clean fill (min CBR 15). now reply the email