Conducting non-state examination of construction documents allows time to identify and correct possible errors and omissions. The company "Volga-Examination" offers services of non-state examination of design and estimate documents, results of engineering-geological surveys when conducting renovation, repair or construction. The company has all necessary allowing documents and accredited to conduct independent investigations of these types of documents. Experienced specialists of the company are professional engineers, estimators, designers who are ready to provide expert assistance in the passage of the expert surveys.