• Abdulloh Abdulloh
  • Wateno Oetomo


The work contract for the Surabaya-Gempol toll road relocation project Porong-Gempol
package 2 Porong-Kejapanan has been signed, namely in the form of a lump sum contract.
Due to a request from BPJT to change the design from 2 x 4 lanes to 2 x 6 lanes on the
Surabaya-Gempol toll road relocation project, Porong-Gempol 2 Porong-Kejapanan, the
contractor intends to propose a contract change from a lump sum to a unit price contract.
This study aims to determine and determine the factors that influence changes in the contract.
It turns out that by distributing questionnaires, it can be found that there are five main
variables, namely service users (X1), service providers (X2), third parties (X3), contracts (X4)
and environment (X5) that affect the final outcome of contract change (Y). By using factor
analysis and stepwise regression analysis aided by the SPSS program, it was found that only
the service user variable (X1) and the service provider variable (X2), which significantly
affected the contract change dependent variable (Y). And that influence is expressed by the
relationship Y = -1,171 + 0,268 X1 + 0,529 X2.
Keywords: lump sum contract, unit price contract,  factor analysis, multiple regression


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