asset management of drainage facilities using advanced ...a4-2).pdf · 24/04/2007 · drainage...
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Asset Management of Drainage Facilities Using Advanced Technologies
Albert T. Yeung, BSc(Eng)(Hon) MS PhD FHKIE
FICE FASCE RPE(Civ, Env, Gel) CEng PE
Department of Civil Engineering
University of Hong Kong
E-mail: [email protected]
13th November 2014
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Asian Civil Engineering Coordinating Council
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American Society of Civil Engineers (ASCE)
Chinese Institute of Civil and Hydraulic Engineering (CICHE)
Engineers Australia (EA)
Indonesian Society of Civil and Structural Engineers (HAKI)
Institution of Civil Engineers, India (ICE India)
Institution of Engineers, Bangladesh (IEB)
Institution of Engineers, Pakistan (IEP)
Japan Society of Civil Engineers (JSCE)
Korean Society of Civil Engineers (KSCE)
Mongolian Association of Civil Engineers (MACE)
Philippine Institute of Civil Engineers (PICE)
Vietnam Federation of Civil Engineering Associations (VFCEA)
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Immediate Past Director of Region 10
Chair of Region 10 Assembly
Sustainability
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ASCE Region 10
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Infrastructure Condition Curve
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Asset Management
To derive the best performance from an asset at the lowest cost from acquisition to disposal
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Asset Management
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Risk to Water Utilities
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Data-centered Approach
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Data Management
Accuracy
Strategic & representative locations
Up-to-date
Inter-active
Accountability
Sustainability
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Accuracy
Objective
Efficiency
Consistency
Free of human errors
Prevention of loss of data
Compliance
Convenience
Why uses IT?
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Automatic and continuous collection of data
Effective management of data
Quality control and assurance of data
Pro-active control of indoor air quality
Uses of IT in Asset Management
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Compliance of statutory requirements: sensing methods, automatic and continuous
Integrated CO & CO2 sensors
Real-time collection of data
Real-time wireless transmission of data
Web-based and real-time processing and recording of data
Prevention of tempering of data
Real-time publication of data
Gas Management (CO & CO2 )
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Integrated sensor for CO and CO2
Sensor is powered by battery
In-situ calibration is not necessary
Sensors for different types of gases, TVOC, PM10, PM2.5 and other chemicals available
Data transmission by SIM card
Collection of Data
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Transmission of Data
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Data on the Web
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Data on the Web
CO concentration
CO2 concentration
Date and time
Sensor ID
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Data on the Web
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SMS and e-mail warnings of exceedance of limits
Interactions with ventilation control system for necessary corrective actions
Data Management (CO & CO2)
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RFID contactless card reader
Radio-frequency fingerprint sensor
GPS
3G / WiFi
Mobile Biometric Authentication System
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Human Skin Structure
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RF Sensing Technology
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Privacy Protection
The enrolled fingerprint is transformed into a biometric template by a proprietary algorithm
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Technician ID Card
Biometric Reader
Real-Time Security System
Head Office
Client
Laboratory
Technician’s Fingerprint
3G / WiFi Network
All Data Stored into a Database System
via Internet
Real-time Security System
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Recording of field samples
When? Where? Who? What?
Chain of custody
Laboratory testing
Checking and recording of laboratory results
Inspection records
Maintenance records
Example Uses in Asset Management
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Ground Subsidence
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Ground Subsidence
April 24, 2007
Li Yuen Street East, near the junction of the street with Queen's Road Central, Hong Kong
Sudden collapse
4 m wide, 8 m long and 4 m deep hole
Five stalls, selling clothes, watches, hosiery and jade; and 4 persons collapsed into the hole
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Danger of Underground Voids
The incident alerts engineers and the general public alike the potential danger of the existence of undetected underground voids
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Water-carrying Utilities
Leakage of water from these water-carrying utilities may create underground voids by soil erosion
If undetected, these underground voids can increase in size progressively, leading to Maintenance issues Difficulties during installation of new pipes Sudden collapse of ground surface
Unfortunately, these underground voids would probably be undetected until accidents occur
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In-line Sensing Device
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He lived without compro-mising, served his chosen profession to the best of his abilities, and died without having anything to regret.
Karl Terzaghi
(October 25, 1963)
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7th CECAR Honolulu, Hawaii, 2016
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Thank you!