Traditional valuation method

Valuation method of bill of quantities

Terminology explanation

Also known as the comprehensive unit price method, it means that in the construction project bidding, the tenderee provides the bill of quantities according to the national unified Code for Valuation of the Bill of Quantities of Construction Projects (GB50500-20 13), and the bidder calculates all the required expenses according to the bill of quantities, including the partial project fees, measures project fees, other project fees, fees and taxes, and quotes independently, according to the project cost of winning the bid at a reasonable low price after evaluation. In short, the valuation method of bill of quantities is a valuation method that the tenderer (or a cost company with corresponding qualifications) prepares the bill of quantities reflecting the consumption of engineering entities and measures, and provides it to the bidder as part of the bidding documents, and the bidder independently quotes according to the bill of quantities.

Characteristics of valuation method with bill of quantities

Compared with the quota valuation method in the bidding process, the bill of quantities valuation method has the following characteristics:

(1) to meet the needs of competition.

(2) It provides an equal competitive condition.

(3) It is conducive to the allocation of project funds and the final determination of project costs.

(4) It is beneficial to realize reasonable risk sharing.

(5) It is beneficial for the owner to control the investment.

Difference between bill of quantities valuation and traditional quota budget valuation method

1

The units of the prepared quantity are different.

The engineering quantity of traditional quota budget is calculated by the tendering unit and the tendering unit respectively according to the drawings. The quantities priced by bill of quantities shall be uniformly calculated by the tendering unit or entrusted by a unit with engineering cost consulting qualification.

2

The preparation time of bill of quantities is different.

The traditional fixed budget valuation method is to prepare after the tender documents are issued (the tenderer and the bidder prepare at the same time or prepare the bidder first and then the tenderer). Bill of quantities quotation method must be compiled before the tender documents are issued.

three

Different forms of expression

The fixed budget valuation method generally adopts the form of total price. Bill of quantities quotation method adopts the form of comprehensive unit price.

four

The basis of preparation is different.

The traditional fixed budget valuation method is based on drawings; The consumption of labor, materials and machinery is based on the budget quota issued by the construction administrative department; The unit price of labor, materials and machinery shall be calculated according to the price information released by the project cost management department.

The quotation method of bill of quantities shall be implemented in accordance with DecreeNo. of the Ministry of Construction. 107, the preparation of the pre-tender estimate is based on the bill of quantities and related requirements in the tender documents, the construction site conditions, reasonable construction methods and the relevant project cost valuation methods formulated by the construction administrative department. Enterprise bidding quotation is compiled according to enterprise quota and market price information, or with reference to the average social consumption quota issued by the construction administrative department.

five

Different cost components

The project cost of traditional budget quota valuation method consists of direct project cost, on-site funds, indirect costs, profits and taxes. The project cost of the bill of quantities valuation method includes division project cost, measure project cost, other project cost, fees and taxes.

six

The evaluation methods are different.

The traditional budget quota bidding generally adopts the percentage scoring method. When bidding by bill of quantities, the bid winning method with reasonable low price is generally adopted, which not only scores the total price, but also analyzes and scores the comprehensive unit price.

seven

The contract price adjustment method is different.

The traditional contract price adjustment methods of fixed budget valuation include visa change, quota explanation and policy adjustment. The adjustment method of contract price in the valuation method of bill of quantities is mainly claim.

Supplementary knowledge

Quota valuation method

Terminology explanation

Also known as the unit price method of engineering quantity, it refers to the calculation of direct engineering cost according to the bidding documents, the calculation rules of engineering quantity in the Construction Engineering Valuation Quota issued by the provincial construction administrative department, and the calculation of measures fee according to the calculation method stipulated in the Measures for Valuation of Construction Engineering Measures in xx Province with reference to the daily unit price of labor, the unit price of machinery and equipment, and the market price in the same period issued by the provincial construction administrative department. Calculate other project costs, management fees, profits, fees and taxes according to the construction project cost pricing rules of xx province, and summarize and determine the construction and installation project cost pricing method, which is also a traditional project cost pricing method in China and a project cost pricing model relative to the bill of quantities.

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