An-Najah Blogs : Nabil Moh. Dmaidi

Thursday, January 1, 2009
دراسة مدى استعداد العمال لاستعمال معدات الوقاية الشخصية في مواقع
Due to the frequent occurrence of accidents in the construction work sites in Palestine, the issue of health and safety measures is becoming increasingly an urgent matter. This research was conducted to investigate the readiness of the construction workers to use personal protection equipment in the construction sites in the city of Nablus. This was done through the distribution of a questionnaire, collecting data and analyzing it. The results then were related to different variables, like type of work, years of experience and the duration of work. The study revealed that the majority of workers showed readiness to use protection equipment, especially helmets and safety footwear. The need for other protection equipment depends on the type of work and the degree of danger. The study also revealed no difference in the degree of willingness to use such equipment between the workers of form-work
0 comments | Show Full Article

Monday, January 1, 2007
Integration of Cost and Time Models
Published at:Not Found
Cost and time are interdependent by their very nature. However, cost and time are generally treated in isolation both informally and within the terms of the contract. In reality, cost and time interact throughout the construction cycle. Thus, cost and time models and modelling systems must facilitate the integration of cost with time. Recognition must also be given to the need to integrate cost and time, and suitable contractual procedures for utilising more advanced styles of modelling must be implemented. In this paper traditional and emerging models of cost and time are reviewed and the contractual context of cost and time integration is explored. This review seeks to ascertain if and why models and contracts have failed to satisfy this particular requirement, as well as the other requirements placed upon them.
0 comments | Show Full Article

Wednesday, January 1, 2003
Resource Significant Cost and Time Models for Building Projects
Published at:Not Found
Cost and time models have been developed for road and bridge projects using resource significance analysis, which is in turn based on the 80/20 rule. The work packages in these models are designed to relate to site operations. They serve as the basis for measurement, estimating, planning, valuation and control in civil engineering projects. For defined categories of work, a standard set of work packages have been developed which consistently contribute about 90% of a project's resource costs and hours. The resource significant cost and time models for bridges and roads predict cost to an accuracy of 4% Cv and 3% Cv respectively. The resource hours for a project can be predicted to an accuracy of 6% Cv for bridges and 3% Cv for roads. The bridge model contains 26 work packages and the road model contains 22 work packages. Coarser models have also been developed for situations where the road or bridge is only part of an overall project, with only a small loss of accuracy.
0 comments | Show Full Article

Wednesday, January 1, 2003
Classifying and Coding Design and Construction Information
Published at:Not Found
The search for new approaches to design-construction information integration through the use of computer-based systems is invariably hindered by the need to adopt appropriate representational schemes for the design information by several professions (architects, structural engineers, service engineers, and quantity surveyors, and by small groups of sub-constructors. This has been the cause of major problems in the transfer of information between these various bodies (1,14). A proposed design and construction information classifying and coding scheme that facilities the exchange and manipulation of information in construction projects, while maintaining compatibility with existing classification systems involved in documents like specifications and bills of quantities will be presented.
0 comments | Show Full Article

Wednesday, January 1, 2003
واقع الصحة والسلامة المهنية في مواقع العمل الإنشائية في مدينة نابلس
Published at:Not Found
Construction sites, especially in third world countries, often constitute a source of risk to workers’ health and safety. Accidents on construction sites can be greatly reduced or prevented if safety codes and regulations are honored.

This study aimed at investigating the extent to which such codes are implemented on construction sites in Nablus. The findings of the study show while safety measures are usually taken with heavy machinery (e.g. cranes, excavators and tools), there is a serious lack of health facilities and of equipment needed for personal safety.
0 comments | Show Full Article

An-Najah National University