What stage of construction will need to perform in the first place

You can not start building a house without a well-defined project carried out by skilled craftsmen this case. Please refer to the architect and designers to the appropriate orientation. They allow your problem. A qualified specialist will calculate the possible options and it will help prevent many errors and irregularities in the subsequent construction. Do this if do not want to get at the end of construction or destruction of buildings, even worse, the destruction during the operation, along with all residents.