How to avoid discrepancies between GPS with SF and total station during construction? I'm sure the building will be distorted accordingly if apply SF.

Calculate the value of the appropriate and accurate scale factor. If a good measure is used, the error in the truncation will be close to the error in the GBS

scal facter atomatic aply in gps as per zoon and distece increas or deqress du to the scal facter but it is adjustible as per total sation by using scal facter