Development of Computer Aided Model for Digital Estimation of Building Materials and Civil Engineering Quantities


Authors : Abayomi; Oluwajuwon Debola; Akinkuolie; Bisola Oluwaseun; Oguntelure; Temitope Elizabeth; Ubalua; Okechukwu Charles

Volume/Issue : Volume 7 - 2022, Issue 5 - May

Google Scholar : https://bit.ly/3IIfn9N

Scribd : https://bit.ly/3t44euQ

DOI : https://doi.org/10.5281/zenodo.6601058

Over the years, there have been ineffective and inaccurate results being noticed to have been gotten over time when bill of civil and engineering quantities are computed manually. However, with the aid of a developed software package in calculating the bill of quantities, effective and efficient results would be gotten. From the foregoing this study aims at developing a computer aided model to digitally compute building and civil engineering quantities using C# programming language. The approach used in this study is developing the digital computation program and testing the computational program using the manual taking off from both residential building and road plans to validate the software. The results obtained from this study indicate that, with reference to the residential building plan, 100% of the substructure items found in the bill fall within 0 to 0.05 percentage difference and 75% of the superstructure items have 0 to 0.4 percentage differences. In road plan, 100% of the items in site clearing and earthworks (Bill no. 2) have 0 percentage differences, while 86% of the items in bill no. 3 ( drainage and culverts) have 0 percentage differences. All items in bill no.4 (Pavement and surfacing) have 0 percentage differences between the manual and digital computation. Since there are little or no difference in the result obtained from manual computation and digital computation. Therefore, the developed digital computation program is efficient and reliable and can be used in lieu of the manual estimation.

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