About the introduction of the minimum price limit system in consignment related to construction
Updated: September 21, 2022
Inagi City has decided to introduce a minimum price limit system in consignment contracts related to construction ordered by the city.
The setting of the minimum price limit in the consignment contract for construction will be applied from October 3, 2022 onwards.
Target project
Consignment contracts for surveying, geological surveys, other surveys (including inspections and diagnoses), and design with an estimated price exceeding 500,000 yen, which are subject to competitive bidding.
Setting range
Consumed for the total amount of (1) to (4) ((1) to (3) in surveying) listed in the table below, which was the basis for calculating the planned price, for each industry category of consignment related to the ordered construction. The amount will be calculated by adding the amount equivalent to tax.
| Industry classification | （1） | （2） | （3） | （4） | Setting range |
|---|---|---|---|---|---|
| Surveying work | Amount of direct survey cost | Amount of Survey Expenses | Amount obtained by multiplying the amount of miscellaneous expenses by 4.8/10 | none | From 6/10 to 8.2/10 |
| Building-related construction consulting business | Amount of direct labor costs | Amount of special expenses | Amount obtained by multiplying the amount of expenses such as technical fees by 6/10 | Amount obtained by multiplying the amount of miscellaneous expenses by 6/10 | From 6/10 to 8/10 |
| Construction consulting services related to civil engineering | Amount of direct labor costs | Amount of direct expenses | Amount obtained by multiplying the amount of other costs by 9/10 | Amount obtained by multiplying the amount of general administrative expenses by 4.8/10 | From 6/10 to 8/10 |
Geological survey work |
Amount of direct research expenses | Amount obtained by multiplying the amount of indirect research expenses by 9/10 | Amount obtained by multiplying the amount of research work expenses such as analysis by 8/10 | Amount obtained by multiplying the amount of miscellaneous expenses by 4.8/10 | 2/3 to 8.5/10 |
| Compensation-related consulting services | Amount of direct labor costs | Amount of direct expenses | Amount obtained by multiplying the amount of other costs by 9/10 | Amount obtained by multiplying the amount of general administrative expenses by 4.5/10 | From 6/10 to 8/10 |
If the calculated base price is within the setting range listed in the table above, the base price will be the minimum price limit.
However, the calculated standard amount is
If the set range is exceeded: (minimum limit price) = (scheduled price) x (upper limit of set range)
If it is less than the set range: (minimum limit price) = (scheduled price) x (lower limit of set range).
Note: The minimum price limit is not announced at all before bidding.
Note: We will not disclose the breakdown of the design cost, regardless of whether it is before or after the bidding.
Related Links
How to set the minimum price limit in the construction contract (internal link)
Inquiries about this page
Inagi City General Affairs Department General Affairs and Contract Section
2111 Higashi Naganuma, Inagi City, Tokyo
Phone: 042-378-2111 Fax: 042-377-4781
