Urban geological surveying in Singapore

Dobbs, M.R; Leslie, A.G.; Dodd, T.J.H.; Gillespie, M.R.; Kearsey, T.I.; Kendall, R.S.; Bide, T.. 2022 Urban geological surveying in Singapore. [Lecture] In: The 2022 International Symposium on Resilient and Sustainable Cities & The 22nd Annual General Meeting of UK-CARE, Online, 6-8 Dec 2022. British Geological Survey. (Unpublished)

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Abstract/Summary

Since its independence in 1965, Singapore has seen unprecedented economic and social improvement, which has also been accompanied by physical growth through land reclamation. This rapid growth, coupled with the increasing cost of land reclamation and a desire to be a City in a Garden, has resulted in competing land-use requirements at the surface. Consequently, Singapore now looks to the subsurface to meet many of its future development needs. A comprehensive understanding of the geology has therefore become critical to Singapore’s continued prosperity and future development. For the last decade, the British Geological Survey has been working with the Geological and Geospatial Development Department of Singapore's Building and Construction Authority to implement a comprehensive urban geological survey and communicate the outcomes to the widest possible stakeholder community in Singapore. Activities within this programme of works included: desk study and literature review; deep borehole drilling and in situ testing; seismic reflection and refractions surveys; field mapping; aerial image analysis; detailed outcrop and borehole logging; a wide range of laboratory analysis testing; 3D geological modelling; comprehensive analysis and interpretation of new and existing data; and training and knowledge exchange. The culmination of this work is a substantially revised interpretation of the geology, including a new International Commission on Stratigraphy (ICS)-compliant stratigraphy and structural framework. The research has been published in six peer-reviewed articles and is now synthesised in a new interactive map and memoir of Singapore geology. A companion volume, Practitioners’ guide to the bedrock geology of Singapore, has also be published to facilitate adoption of the new geological framework by industry professionals. It is the intention of the Building and Construction Authority that the trio of new publications are used by those working in the engineering construction and development planning sectors to make decisions that will reduce the cost and risk of construction, and to ensure future urban development in Singapore in both resilient and sustainable. Keywords: urban geology; surveying; mapping; ground investigation; Singapore. Marcus Dobbs is the Head of Engineering Geology at the British Geological Survey. His specialist expertise includes: urban geology; engineering geological classification, mapping and modelling; experimental rock and soil mechanics; site investigation and interpretation; and project and laboratory facilities management. He is currently a Co-Investigator on the BGS International Geoscience Research and Development programme, responsible for the coordinating urban geoscience research. Prior to this he managed a succession of BGS projects in Singapore and was Co-Investigator on the BGS Official Development Assistance Programme: Geoscience for Sustainable Futures, responsible for coordinating research in Malaysia.

Item Type:	Publication - Conference Item (Lecture)
Additional Keywords:	IGRD
Date made live:	08 Feb 2023 15:40 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/533972

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