It is also very important to measure the dimension of the site and building because the direction and deviation will be changing according to the site and buildings’ dimension such as square, horizontal rectangle and vertical rectangle. As already mentioned, that site levels determine the speed of the circuit, the dimension helps to determine the circuit route.
The correction work is a bit challenging one as it can be done only by a well-trained practitioner in an already constructed building. All the site and building can be corrected according to IRUPPIYAL except very few where there is no support by the surrounding, but continuous practice will help to think creatively and do corrections without much investment by the owner.