To detect these violations should be applied to compare the instruments in the form of COP-2 prices, indices, values of overhead and profit from their estimates normative values, test the validity of other costs, to control the instrumental measurements of the physical volume of work. When using individual unit prices to be checked validity of their application and scope of work included in these prices. Not allowed unauthorized inclusion in unit prices of the coefficients, increasing rates of consumption of material resources due to inconvenience, complexity and urgency of the work. The procedure of raising factors to the estimated regulated standards in the technical part of the collection corresponding unit prices. The most detailed verification subject acts on Form CF-2, when the construction contracts signed without tenders in the prescribed manner, and in the absence of expert opinion on the construction documents. From acts to form the COP-2 is necessary to without recourse to exclude: – increasing the odds for the reconstruction – the cost of works to address the marriage – the contractor expenses, including taxes and fees attributable to the financial results of the (property taxes, formation and maintenance of housing, cost of infrastructure development contractor, etc.) – the costs associated with predmontazhnymi work – the amount of work not covered by the design-budget documentation. In addition, the regulations in the form of COP-2 in the form of certain costs not be paid to the contractor costs associated with: – The contents of the fire patrol and protection (including non-departmental provided by bodies of internal affairs) – holding surveying during operations; – beautification of the site (cleaning and clearing debris) – training facility for commissioning (washing floors and windows, the cost of detergents, cleaning and removal debris after construction) – the compulsory insurance of property in the means of production – the use of loans and advances to non-construction of the facility; – advertising.