Hello, dear

Well, you have to draw with the help of  drafter,roller scale , the main theme was there did you imagine the drawing , you have to study one subject for drawing i.e ED(engineering drawing).so, if are good in measurements then you can persue civil,it's not about drawing only.

Visit the below read this article there is full description about civil engineering in full elaborate form it will help you so much !!

https://www.careers360.com/civil-engineering-course

hope this will help you!!