Kediri airport is the first privately developed airport in Indonesia. Situated 150 kilometres south-west of Surabaya, the airfield and associated buildings cover a vast area of 330 hectares.

The airport is being built to provide improve connectivity and boost the economy of the southern part of the East Java province, as well as to supplement the operation of Juanda International Airport. Davy Sukamta & Partners was appointed as the earthwork consultant for this project.


Design and construction of the earthwork for the platform are considered complex. The project consists of a cut and fill excavation up to 35 metres high on the slope of Mount Willis, which requires the use of various ground improvement techniques.


Some ground improvement works at certain areas are required to overcome the settlement. Settlement analysis is evaluated using finite element analysis performed using Plaxis 2D software. The work of Stone Column (SC) and Down-hole Dynamic Compaction (DDC) with a total of approximately 41,412 piles have been completed.


Two huge Reinforced Concrete box culverts, buried underneath the Dhoho Kediri airport runway embankment, will serve as the main infrastructure facilitating diversion of two main crossing rivers. The soil embankment height above the box culverts ranges up to 24 meters above the box culverts.


Davy Sukamta & Partners was also requested to conduct value engineering services to evaluate, modify, and optimize the design of the box culverts. The box culverts were originally designed by a world-class engineering consultant. With our value engineering, we were able to provide an alternative design solution, providing a substantial value to the project. This has resulted in massive amount of cost savings.

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  • Location

    Kediri, East Java
  • Year

    Under Construction 2020
  • Client

    Surya Dhoho Investama
  • Contractor

    LMA Konsorsium
  • Site Area

    330 ha
  • Scope of Work

    Geotechnical Engineering & Value Engineering