Abstract
The cost of construction materials forms a large proportion of the total cost of construction projects Thus, the lack of a sound time and cost management planning for construction materials procurement will lead to deficiencies in the supply and flow of construction materials, not to mention its negative consequences of delays and financial losses which are often cited as major causes of product degradation. This research will present the development of an applicable procurement management system model particularly for UPVC & Ductile pipes used in water and sewage water infrastructure Projects in Iraq. Actual data are collected from seven Iraqi infrastructure projects. These data are analyzed by using SBSS v. 23 statistical analysis programs. On the bases of analyses results, four mathematical relationships have been developed by using MATLAB R2015B & CurveExpert Basic software to be used on building a realistic procurement management system with accurate, acceptable, and appropriate results for the construction materials procurement conditions in Iraq, the system was finally tested by using actual data from Al-Latifiyia sewer project in Baghdad governorate, where the system showed an accuracy results of 86%.
Highlights
All kinds of construction projects constitute one of the most important civilization aspects and advancement in society, often referred to the civilization of many nations, including the creativity and the facilities creativity and monuments
This research presents the development of applicable management system model for Construction Materials Procurement on infrastructure Projects in Iraq, which is capable of simultaneously integrating the critical planning decisions of procurements, to avoid the productivity retraction, financial losses, delays and to reduce the total capital detained in inventory, at the time making sure that production never stops because of lack of construction material
To reflect the objectives of the study, this research will focus on examining the procurement process of UPVC& Ductile pipes for water and wastewater in infrastructure projects, because of its large cost for the total cost of the execution, the below table (Table 1) illustrated an example of the cost of procuring pipes with respect to the cost of the network and the total cost of the project
Summary
All kinds of construction projects constitute one of the most important civilization aspects and advancement in society, often referred to the civilization of many nations, including the creativity and the facilities creativity and monuments. Cost Management: “Cost management is defined in projects as the set of processes involved in cost planning, budget planning and cost control and control These operations are called project cost management, which means managing project costs and the cost of resources required because they are project activities and scheduling taking into account the cost of maintenance and support of the project product, service or results during the life cycle of the project” [7]. Government offices, hospitals, restaurants, hotels and other businesses cannot work without such types of infrastructures “many industries - food, chemical and electricity plant, for instance cannot run unless there is good water, which is a part of completed product or utilized in industry processing or refrigeration” [13]. Government offices, hospitals, restaurants, hotels and other businesses cannot work without such types of infrastructures” [15]
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