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Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]

This paper discusses about the accuracy and capability of underground utility equipment which is Ground Penetrating Radar (GPR) and Electromagnetic Locator (EML). The study area is located at JUPEM Underground Utility Detection Equipment Calibration Laboratory, Jalan Sultan Yahya Petra Kuala Lumpur....

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Main Authors: Hoon, Oliver Leh Ling (Ed.), Saifuddin, Khadijah, Othman, Ainon Nisa, Razali, Mohamad Hezri, Khalid, Nafisah
Format: Article
Language:English
Published: Universiti Teknologi MARA, Shah Alam: Faculty of Architecture, Planning and Surveying 2020
Subjects:
GE Environmental Sciences
Online Access:http://ir.uitm.edu.my/id/eprint/41997/1/41997.pdf
http://ir.uitm.edu.my/id/eprint/41997/
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spelling my.uitm.ir.419972021-02-16T10:19:50Z http://ir.uitm.edu.my/id/eprint/41997/ Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.] Hoon, Oliver Leh Ling (Ed.) Saifuddin, Khadijah Othman, Ainon Nisa Razali, Mohamad Hezri Khalid, Nafisah GE Environmental Sciences This paper discusses about the accuracy and capability of underground utility equipment which is Ground Penetrating Radar (GPR) and Electromagnetic Locator (EML). The study area is located at JUPEM Underground Utility Detection Equipment Calibration Laboratory, Jalan Sultan Yahya Petra Kuala Lumpur. This study focused on accuracy, consistency and reliability of the both equipment due to the density of development especially in urban city areas poses new obstacles to new development which is the conflict of space. These issue raises when a new particular infrastructure needs to deploy in the same area with the crowded underground utilities. Here, the process of installation works for underground utilities need to be conducted carefully in order to avoid any utility accidents and casualties by determining the exact position and alignment of the existing underground utility. The common and the best option in the determination of any underground facilities are by underground utilities survey emphasized with buried objects which need to know the location installed and the depth deployed to ensure the safety of any development up coming. There are several methods with using different types of instruments include GPR, EML, Seismic Boom and Buried method. Thus, this paper is carried out for determining the accuracy of depth values obtained from GPR (Mala ProEx) and EML (RD8000) which are based on radar and electromagnetic concept respectively. Based on the result and analysis, it can be concluded that the accuracy achieved from GPR (Mala ProEx) is better compared with EML (RD8000). It has been proved by statistical data analysis in which the Root Mean Square Error (RMSE) values from GPR Mala ProEx for line A, line B and line C is smaller with millimeter level accuracy (3mm – 8mm) compared to EML RD8000 with centimeter level accuracy (18cm – 43cm). In term of reliability of dataset for the both types equipment for underground utility mapping, it shows that the range value of depth for all the types of utility is not significantly diverse. Fifty-six percent (56%) with centimeter level accuracy and Fourty-four percent (44%) with millimeter level accuracy. Universiti Teknologi MARA, Shah Alam: Faculty of Architecture, Planning and Surveying 2020-12 Article PeerReviewed text en http://ir.uitm.edu.my/id/eprint/41997/1/41997.pdf Hoon, Oliver Leh Ling (Ed.) and Saifuddin, Khadijah and Othman, Ainon Nisa and Razali, Mohamad Hezri and Khalid, Nafisah (2020) Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]. Built Environment Journal (BEJ), 17 (3). pp. 57-66. ISSN 1675-5022
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic GE Environmental Sciences
spellingShingle GE Environmental Sciences
Hoon, Oliver Leh Ling (Ed.)
Saifuddin, Khadijah
Othman, Ainon Nisa
Razali, Mohamad Hezri
Khalid, Nafisah
Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
description This paper discusses about the accuracy and capability of underground utility equipment which is Ground Penetrating Radar (GPR) and Electromagnetic Locator (EML). The study area is located at JUPEM Underground Utility Detection Equipment Calibration Laboratory, Jalan Sultan Yahya Petra Kuala Lumpur. This study focused on accuracy, consistency and reliability of the both equipment due to the density of development especially in urban city areas poses new obstacles to new development which is the conflict of space. These issue raises when a new particular infrastructure needs to deploy in the same area with the crowded underground utilities. Here, the process of installation works for underground utilities need to be conducted carefully in order to avoid any utility accidents and casualties by determining the exact position and alignment of the existing underground utility. The common and the best option in the determination of any underground facilities are by underground utilities survey emphasized with buried objects which need to know the location installed and the depth deployed to ensure the safety of any development up coming. There are several methods with using different types of instruments include GPR, EML, Seismic Boom and Buried method. Thus, this paper is carried out for determining the accuracy of depth values obtained from GPR (Mala ProEx) and EML (RD8000) which are based on radar and electromagnetic concept respectively. Based on the result and analysis, it can be concluded that the accuracy achieved from GPR (Mala ProEx) is better compared with EML (RD8000). It has been proved by statistical data analysis in which the Root Mean Square Error (RMSE) values from GPR Mala ProEx for line A, line B and line C is smaller with millimeter level accuracy (3mm – 8mm) compared to EML RD8000 with centimeter level accuracy (18cm – 43cm). In term of reliability of dataset for the both types equipment for underground utility mapping, it shows that the range value of depth for all the types of utility is not significantly diverse. Fifty-six percent (56%) with centimeter level accuracy and Fourty-four percent (44%) with millimeter level accuracy.
format Article
author Hoon, Oliver Leh Ling (Ed.)
Saifuddin, Khadijah
Othman, Ainon Nisa
Razali, Mohamad Hezri
Khalid, Nafisah
author_facet Hoon, Oliver Leh Ling (Ed.)
Saifuddin, Khadijah
Othman, Ainon Nisa
Razali, Mohamad Hezri
Khalid, Nafisah
author_sort Hoon, Oliver Leh Ling (Ed.)
title Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
title_short Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
title_full Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
title_fullStr Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
title_full_unstemmed Accuracy assessment on underground utility equipment / Oliver Hoon Leh Ling (Ed.) … [et al.]
title_sort accuracy assessment on underground utility equipment / oliver hoon leh ling (ed.) … [et al.]
publisher Universiti Teknologi MARA, Shah Alam: Faculty of Architecture, Planning and Surveying
publishDate 2020
url http://ir.uitm.edu.my/id/eprint/41997/1/41997.pdf
http://ir.uitm.edu.my/id/eprint/41997/
_version_ 1692994660303110144
score 13.211869

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