Purpose In build-operate-transfer (BOT) transportation projects, design and construction
phases are critical in terms of their effect on time and cost overruns. The purpose of this …

Purpose Delays represent one of the most critical factors that affect the cost of a construction
project. They have to be therefore analysed comprehensively using appropriate techniques …

Purpose This study aims to examine the mutual influence of causes of variation orders
(VOs), claims/disputes (CDs) on project performance (PP) and stakeholder performance …

Purpose Variations due to errors and mistakes have caused cost overruns in building
projects. Therefore, it is undeniable that the gravity of such variations will be a critical factor …

With the rapid development in Sri Lanka, a number of highway projects are on the increase.
Quite often, these projects suffer cost and time overruns predominantly because of …

Detrimental variations are variations which negatively impact the project performance
resulting into scenarios such as cost overruns, time overruns, project abandonment, rework …

This study investigates the key causes of variation order in public construction projects in the
South-South Zone of Nigeria. Primary data obtained from 338 validated questionnaires …

A number of research studies have been carried out on the causes and effects of variation
on construction project delivery, thereby taking for granted the susceptibility of building …

Change orders have a substantial impact on construction projects. In the Change orders,
there is no" optimal solution", but we are always trying to get as close to the" optimality" as …

The purpose of this research was to identify the major causes of variation order and their
effects on road construction project performance in Addis Ababa. Variation order is pointed …