Notice regarding revision of the calculation standard

May 1, 2015
East Nippon Expressway Co., Ltd.

At East Nippon Expressway Co., Ltd., we would like to inform you that the accumulation standard has been revised.

May 1, 2015 revision summary

[Civil engineering work integration standard]
  • Review various expense ratios
[Facility construction cost standard]
  • Review various expense ratios

Details of the revision Here Please refer to the.

Outline of revision April 1, 2015

[Civil engineering work integration standard]

  • Market unit price method is applied to slope work (seed spraying, vegetation base material spraying), traffic safety/management facility construction (guardrail), floor slab thickening (floor slab waterproofing/grade I)
The market unit price method is a method of grasping the transaction price in the market per construction unit including material cost, labor cost and direct cost (machine cost, etc.) and using it directly for accumulating, without using a step rate.

[Cumulation criteria for surveys, etc.]

  • Review the ratio (β) of general administrative expenses for design work (including work related to machinery, electricity, communications) and soil geological survey (technical work)
  • Review various expense ratios for surveying and soil geological survey (research work)
  • Review the ratio of other costs (α) and the ratio of general administrative expenses (β) for construction management work

[Other]

  • We plan to revise various expense ratios (site management costs, general management costs, etc.) based on the civil engineering work calculation standard and facility work calculation standard in May 2015.

October 1, 2014 revision summary

  • The material price is the average of the actual prices listed in the construction prices (General Construction Costs Survey Committee) and the estimated materials (General Economics Research Committee).
  • To support small-scale earthwork, special small-scale earthworks (approximately 5,000m 3 Less than) newly established
  • Reassessed the type of labor and employment by taking a step-by-step survey on traffic control work on Expressway
  • Considering the current situation where it is difficult to procure truck cranes, change the model of truck cranes (5t to less than 100t) to rough terrain cranes

Revision summary on September 1, 2014

  • Review the handling of material costs for temporary bridges and piers for construction

July 1, 2014 revision summary

  • For concrete, support work, formwork, scraping countermeasure work, etc., review the steps, construction machines, job types by fact-finding