Example of the calculation of the reserve fee for the price increase of construction work???

The construction period of a construction project is 3 years, and the investment plan for each year is as follows: the first year of investment of 7 million yuan, the second year of investment of 8 million yuan, the third year of investment of 6 million yuan, the average annual investment rate of 5%, try to increase the price of the construction project during the preparation fee.

The reserve fee for price increase is calculated based on the sum of construction costs, installation costs, and equipment and equipment purchase costs.

Year 1: 700*[(1+.]

Year 2: 800*[(1+.)

Year 3: 600*[(1+.]

Total: <>

The new formula solution: PC1=22310*20%*(1+6%)-1)=PC2=22310*55%*(1+6%)(1+6%)-1)=PC3=22310*25%*(1+6%)(1+6%)(1+6%)-1)=

The unit is 10,000 yuan.

The reserve fee for the price increase is based on the cost of construction and installation works.

The sum of the purchase costs of equipment and tools is the calculation base. The formula is as follows:

pc = it[(1+f)t-1] t=0---n, then the source sells the pc --- the price increase reserve fee.

IT represents the sum of the construction and installation costs, equipment and equipment purchase costs in the T year;

n represents the construction period;

f represents the **** index of the construction period;

The composition of the reserve fee includes: the basic reserve fee.

and the preparation fee for the increase in grandchildren.

Basic preparation fee = (equipment and tools purchase cost + construction and installation cost + other construction costs) * basic preparation rate.

In other words, the calculation base of the basic reserve fee is (equipment + construction and safety expenses).

Other fees). <

The technology of the price increase reserve fee should be the engineering cost, assuming that the project cost is 20 million, the first year will invest 10 million, and the second year will invest 10 million.

The reserve fee for price increase in the first year is 1000 * [(1 + 10%)-1] = 1 million.

The reserve fee for the price increase in the second year is 1000 * [(1 + 10%) 2-1] = 2.1 million.

Therefore, the reserve fee for price increase should be 100 + 2.1 million yuan.

Spread Reserve Formula: pf=

Among them, PF: spread reserve fee; n: the number of years of the construction period; it ：

the amount of static investment in the first t year of the construction period; f: annual increase or price rate; m: pre-construction period (from the preparation of investment estimates to the start of construction, unit:

years); The annual price increase rate, ** department has provisions to implement the regulations, and there are no provisions by the feasibility researchers**.

The reserve fee for the price difference shall be calculated according to the construction organization and arrangement of the construction project, according to the annual investment amount and different years of the project, according to the annual index of the project cost published by the relevant state departments.

Calculation case: Example: The static investment of a project is 225 million yuan, and the difference between the budget preparation and the start of construction is 1 year, according to the project implementation schedule, the project construction period is three years, and the annual investment allocation and use ratio is:

30% in the first year, 50% in the second year, 20% in the third year, and the annual coefficient is 3%.

Solve according to the above formula:

e1=22500*20%*(1+3%) 1+1)-1)=10,000 yuan.

e2 = 22500 * 50% * (1 + 3%) 2 + 1) - 1) = 10,000 yuan.

e3=22500*30%*(1+3%) 3+1)-1)=10,000 yuan.

e = 10,000 yuan.

That is, the reserve fee for the price difference is 10,000 yuan.