The candidates for the 2022 first-degree bid examination are now expected to be ready, so that the preparatory process can move forward steadily, a high-frequency knowledge point for engineering prices has been compiled here: the reserve is expected to help prepare for the examination, and a free trial course for the construction of the engineering education network. In 2022, the class of price builders must work hard! I hope this will help you。
Knowledge point 3: reserve costs
(i) basic reserve
The concept of basic reserve costs, which are reserved for the investment estimate or the proposed phase of construction, may also be described as unforeseeable costs due to unforeseen changes in construction and communications, general natural disaster treatment, underground barrier disposal, transportation of ultra-restrictive equipment, etc. During the execution of the project。
[segment] provisional amount
(1) for the procurement of materials, engineering equipment, services not identified or foreseeable at the time of the signing of the construction contract
(2) the costs of possible works changes in construction, adjustments to the price of the works when contractual adjustments arise, and claims, confirmation of on-site visas, etc.
(3) the construction unit estimates, if any, the balance。
Composition of the basic reserve:
(1) change of works and communication. Within the approved initial design, additional engineering costs for the technical design, the construction map design and the construction process; increased costs for design changes, engineering changes, replacement of materials, local ground-based processing, etc。
(2) loss and prevention costs of natural disasters in general (with appropriate reduction for insured persons)。
(3) unforeseen costs of underground barrier disposal。
(4) increased costs of transportation of excess equipment。
Basic reserve: basic reserve = rate (engineering + other construction costs) x
(ii) reserve for price differential
The price margin provision is for: price differentials for people, materials, machines and equipment; adjustments for construction works and other construction costs; and increased costs for interest rates, exchange rate adjustments, etc。
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