background and purpose: in a recent century, the amount of construction waste has increased significantly. although the building industry has a considerable role in the development of a society, it is regarded as an environmentally destructive. source reduction is the highest goal in the waste management hierarchy and is in priority. it also has economic benefits by reducing costs associated wi...

The rate of construction materials is subjected to constant changes. unexpected price changes affect the carrying-out rates projects and even challenges competence finish projects. rapid vast that occur all over world in prices impacts individual market value each country. To avoid this problem, contractor should have a tool or method capable predict future material prices. It essential variati...

Purpose: Wastage of construction material always results in cost overrun not only for the project but also management and disposal such waste. It is interesting to evaluate magnitude waste based on lean approach. Design/Methodology/Approach: The present study adopted both primary as key informant interviews secondary bills documents analyze Percentage Findings/Result: findings reveal that avera...