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Joint Hydrographic Re-Survey in the Straits of Malacca and Singapore
The 5th Hydrographic Survey Technical Working Group Meeting
September 28th, 2016
Aero Asahi Corporation
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1. About Aero Asahi Corporation 2. Experiences of Hydrographic and Marine Survey in Foreign
Countries 3. Proposals for Project Implementation Plan
‒ Implementation Arrangement of the Project ‒ Plan of Work and Outline of Survey ‒ Tide Observation for Three years ‒ Tide Observation and Chart Datum ‒ Technical Approach - Installation of Equipment - ‒ Technical Approach - Equipment and Software - ‒ Technical Approach - Data Acquisition - ‒ Technical Approach - Data Processing - ‒ Technical Approach - Create Fair Sheet file - ‒ Formation of the Survey Team ‒ Personnel Assignment ‒ Type of ship used for sounding ‒ Suggestions
Contents of Presentation 2
1. About Aero Asahi Corporation
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About Aero Asahi Corporation
Founded: July 20, 1955 Capital: JPY3,192.5 million (≒USD31 million )
Principal Shareholder: Toyota Motor Corporation Employees: 1,223 (As of July 2016)
Aero Asahi Corporation is one of the major leading company and have the most international experiences of hydrographic survey in JAPAN.
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1. Organization
Aviation Business • Private Jet charter • Helicopter charter • Heliport Consulting • Training of Pilots and
Mechanics
Spatial Information Business • Hydrographic Survey • Oceanographic Survey • Airborne Bathymetric Lidar
Survey • Aerial and Land Survey
About Aero Asahi Corporation 5
2. Main Business
2. Experiences of Hydrographic and Marine Survey
in Foreign Countries
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Experiences of Hydrographic and Marine Survey in Foreign Countries
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Years Country Project Name 2013-2017 Cambodia Project for Productions of Integrated Digital Terrain Model and Electronic Navigational Chart
2013 Cambodia Develop a detailed plan of the Project for Production of Integrated Digital Terrain Model and ENC in and around the International Harbors and Trade Routes
2011 Vietnam Process of Electronic Navigational Chart Production and Management 2010- Indonesia Java-Sumatra Interconnection Transmission Line Project
2009-2010 Papua New Guinea Promotion of Development of Electronic Navigational Chart in PNG 2008-2009 Sri Lanka Promotion of Development of Electronic Navigational Chart in Sri Lanka
2008 Myanmar Bathymetric Survey at Yangon Port 2008 Philippines Enhancement of Hydrographic Capabilities for navigational Safety by Short-term expert 2005 Philippines Preparatory study for Enhancement of Hydrographic Capabilities for navigational Safety
2004 Mauritius Technical Assistance and Training on the Hydrographic Survey of Approach Channel for Newly Constructed Jetty
2002 Mauritius Engineering Consulting Services for Trial Hydrographic Survey of Port Luis Harbor by Short-term Expert 2001 Japan / S. Korea Pusan Landing Site Survey for APCN-2 2000 Japan / Russia Offshore Pipeline Route Survey for Pacific Ocean Route of Sakhalin to Japan Gas Pipeline 2000 Japan / Hong Kong NACS-Taiwan Spurs Route Survey 1999 Japan / Russia Offshore Pipeline Route Survey for Japan Sea Route of Sakhalin to Japan Gas Pipeline
1996-1997 Fiji Islands The Study on Watershed Management & Flood control for Four Major Viti Levu Rivers
1997 China Offshore Route Along the Chinese Waters for Marine Cable in the SEA-ME-WE3 Interconnection Project Linking South East Asia, Mediterranean and Western Europe
1996 Philippines The Submarine Cable System for Leyte-Bohol Interconnection Project 1996 Malaysia The Detailed Survey for Langkawi Submarine Cable Project
1995 Philippines The Furnishing & Installing Complete HVDC Submarine Cables under Leyte-Luzon HVDC Power Transmission Project(Detailed Survey)
1995-1999 Fiji Islands Preparation of Nautical Charts in the Northern Lau Islands Region
• 167 projects in 48 countries
Philippines : 2005
Preparatory Study on Enhancement of Hydrographic Capabilities for Navigation
Promotion of Development of Electronic Navigation Chart in PNG
Papua New Guinea : 2009-2010
Promotion of Development of Electronic Navigation Chart in Sri Lanka
Sri Lanka : 2008-2009
Cambodia : 2013-2017
The Project for Productions of Integrated Digital Terrain Model and Electronic Navigation Chart in the Kingdom of Cambodia
Java-Sumatra Interconnection Transmission Line Project
Indonesia : 2010-
The Detailed Survey for LangKawi Submarine Cable Project
Malaysia : 1996
Myanmar : 2008
Bathymetric Survey at Yangon Port
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Preparation of Nautical Charts in the Northern Lau Island Region
Fiji Islands : 1996-1997
Mauritius : 2002 Engineering Consulting Services For Trial Hydrographic Survey of Port Luis Harbor by Short-term Expert
Experiences of Hydrographic and Marine Survey in Foreign Countries
Vietnam : 2011
Process of Electronic Navigational Chart Production and Management
3. Proposals for Project Implementation Plan
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Implementation Arrangement of the Project 10
Main Contact Network
Implementing agency A
A1:Indonesia Directorate General of
Sea Transportation(DGST)
Dinas Hidro-Oseanografi TNI Angkatan Laut(DISHIDROS)
A2:Malaysia Marine
Department Malaysia
National
Hydrographic Centre(NHC)
A3:Singapore Maritime and Port
Authority of Singapore(MPA)
Embassy of Japan in Indonesia Embassy of Japan in Malaysia Embassy of Japan in Singapore
Survey equipment company
Implementing agency B
Malacca Strait Council
Implementing agency C
Aero Asahi Corporation
Survey team
ASEAN Sec. JMT
for Joint Hydrographic Re-Survey
in the Straits of Malacca and Singapore
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Purpose of the Project : To carry out the hydrographic survey in TSS area of the
Straits of Malacca and Singapore less than 30m depth by Multi Beam Sounding.
Plan of Work and Outline of Survey
Plan of Work 12
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017
2018
2019
2020
Digital Hydrographic Survey
Digital Hydrographic Survey
Data Analysis
Data Analysis
Tidal Observation
Singapore Strait South Malacca Strait
North Malacca Strait
Tidal Observation
W/S
Harmonization of ENC
PG/R
PG/R
IC/R
Digital Hydrographic Survey
Data Analysis
Tidal Observation PG/R
Central Malacca Strait
Implementation Committee
Q/C
Implementation Committee
Q/C
Q/C Implementation Committee
Final Report
Outline of Survey (1)
1. Survey Methodology Multi Beam Sounding should be carried out as the following condition.
• Survey Ship: Charter an multi purpose ship (about 200tons) with tender boat (Survey team (4) ,Observers (1 or 2), Supervisor (2~3 infrequently)
• Sounding time: 8 hours / day (anchoring at near the sounding area)
• Working condition: 5 days sounding and 1day rest in principle
• Sounding speed: 5~6 knots in principle (less than WMO sea state 3)
• Swath angle: 140°
• Sounding Interval: about 100m (depending on the depth)
• Overlap ratio of adjoin footprint between sounding lines : 30%
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• Projection : UTM (Universal Transverse Mercator) Zone (47/48), Scale factor (0.9996), Central meridian (Center of Zone (47/48) * Geographical coordinate system : Based on WGS-84 * Ellipsoid : WGS84(a: 6378137.0m, f: 298.257222101) * Chart Datum : LAT (Lowest Astronomical Tide) * Vertical Datum : Based on the height of existing Benchmarks • Hydrographic Survey Standard : IHO Standard for Hydrographic Survey SP 44 5th Edition, February 2008, Order 1a • IHO Transfer Standard for Digital Hydrographic Data :(S-57) of IHO
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Outline of Survey (2)
2. Standardizations
Tide Observation for Three years 15
First year : 2017 Second year : 2018 Third year : 2019
Permanent Tide Station
Horsburgh Lt (S), Sultan Shoal Lt (S) Raffles Lt (S), Tanah Merah (S)
Port Klang(JUPEM) Maritime Academy (M)
Kukup(JUPEM) Muar Marine Dept (M)
Temporally Tide Station
Nipah Island (I), Tolop Island (I) Mudah Selatan (M),
Sungai Rengit (M)
One Fathom Bank Lt (M)
Angler Resort Jetty (M)
Tanjung Gabang (M)
Tanjung Medang (I) Port Dickson (M)
Tanjung Labuh (M)
The details of observation dates will be decided in the Implementation Committee
The tidal data at each station should be provided by the Littoral States to the survey team.
First year
Second year
Third year
Tide Observation and Chart Datum 16
• Comprehend the importance of tide observation to produce ENCs.
• Need close cooperation with the Littoral States for collecting tidal data.
• Ask the Littoral States to make us visit temporary tide stations with officials.
In the tidal corrections, the Zo zone divided into 1cm increment interpolated from the 10 cm standard zone shall be identified.
Chart Datum Level (CDL))=MSL-Z0
Technical Approach - Installation of Equipment -
Example of Installation of Survey Equipment
High quality, low noise data can only be acquired by the rigid installation of Transducer/equipment onto the hull
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Equipment Description Specification Remarks
Multi Beam Echo Sounder SeaBatT20-P
Frequency : 200-400kHz Beam Width:1.0°×1.0°(400kHz)
Number of Beam :256 Swath angle :10~160°
Resolution:0.6cm
Hydrographic Survey
Single Beam
Echo Sounder PDR-1300 Frequency:200kHZ
Accuracy:±(0.03 + depth/100)m Hydrographic Survey
Inertial GPS System POS/MV SurfMaster
Position Accuracy Horizontal :<0.1m, Vertical:<0.2m
Movement and Position of survey vessel Azimuth Accuracy:0.08°(Baseline2m)
Heave:5%/5cm Roll/Pitch:0.04°
Surface Sound Velocity meter MicroX SV (AML)
SV Accuracy:±0.006m/s Depth Accuracy:±0.03%FS
SV correction
Each layer Sound Velocity meter MinosX SVP (AML)
SV Accuracy:±0.006m/s Depth Accuracy:±0.03%FS
SV/Sound Refraction correction
Data Acquisition and Processing Software
HYPACK, CAD, Arc-GIS Laptop Data Acquisition and
Processing
Non-prism laser rangefinder - - Measurements of nav - aids
Technical Approach - Equipment and Software -
Digital Hydrographic Survey Data Acquisition System (DHSDAS)
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Technical Approach - Data Acquisition -
Setting various parameters for DHSDAS
• Accuracy of survey ship’s position is within 1m. • Sounding Accuracy is kept within 1a of S-44. • Data Acquisition time is the International Standard Time. • HYPACK SURVEY & HYSEEP Software are used of Data acquisition.
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Technical Approach - Data Acquisition -
green:less th
an 10m
, blue:10-20m
, Pin
k:20-30m, R
ed:30-40m, brow
n: m
ore than
40m
* Carry out the MB sounding by round trip in the TSS of the one way route. Prior to the survey, We notify the each sounding area in advance and would like to request to issue Notice to Marinas & Navigation Warning to HOs
• Plan parallel sounding line along contour line • Measure of each layer’s Sound Velocity in
water by SVP meter • Acquire good S/N depth data in order to get
high quality depth • Synchronize output time between each
equipment -----------------------------------------------------------------
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Technical Approach - Data Acquisition -
Digital Hydrographic Survey Data Processing System (DHSDPS) 22
Technical Approach - Data Processing -
Patch Correction
Survey
Raw Data
SV
Corr.
Patch Correction
Suevey
Raw Data
Corrected Survey
Data
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Example 1 (Correction of tides, SV, pitch, roll, yaw, latency & Patch test)
Technical Approach - Data Processing -
c) Area-based data processing
Filtering by“ 0.5 2 + (0.013 × 𝐝𝐞𝐩𝐭𝐡)2
a) line survey noise deletion data processing b) Comparison with adjacent sounding and cross line
Verification of overall depth data • Combine the "XYZ file" of each survey line file, • Create a "intermediate XYZ File" of the entire survey area • Create and "three-dimensional bird's-eye view DTM file“ & “1m Contour file“ • Examine unnatural depths relate to continuity and geomorphology of the adjacent
survey line on "1m Contour file" and "three-dimensional bird's-eye view DTM file“ • Examine the consistency by collating the existing charts
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Example 2 (process of noise reduction)
Technical Approach - Data Processing -
Methodology of Creating fair sheet file and Selecting radius sorting
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Technical Approach - Creating Fair Sheet file-
The Fair Sheet (file) is created by considering a suitable scale for ENC compilation in response to request of the littoral State as following method.
• To create "SOUNDG_5m" from "MBES sounding edit file“ • To create "SOUNDG" file of the density to describe the depth in
Fair sheet by using HYPACK sort function from "SOUNDG_5m“ • To create contour file "DEPCNT“ by TIN function of HYPACK from
"SOUNDG_5m in automatic processing. • To create a "SURVEY_AREA" from "SOUNDG_5m“ • Create Fair Sheet file (XYZ format) using "SOUNDG", "DEPCNT“,
"SURVEY_AREA" and Nav-Aid file • To create Data Processing Report in a series of data processing
Formation of the Survey Team 26
Team Leader ・Mr. Kokuta Shoichi Sub-Leader ・Mr. Watanabe Toshiaki
Coordinator/ Assistant Hydrographer
Career of the team leader
40 years-experience of hydrographic survey in JHOD
Taking part in 3rd and 4th Four Nations Joint Hydrographic Survey Project in the SOMS(1972-1975)
Supervising Four Nations Hydrographic Re-Survey Project in the SOMS(1997-1998)
Hydrographic Survey/ General
・Mr. Kokuta Shoichi
Hydrographic Survey/ Data acquisition processing
Hydrographic Survey/ Data acquisition processing
Data processing 5 staffs in Japan
Hydrographic Survey/ Data acquisition processing ・Mr. Watanabe Toshiaki
Personnel Assignment 27
Type of ship used for sounding
<Image> General Built and flag : Singapore Year Built : 1995 Type of vessel : Work Boat Crew Capacity : 4 persons Surveyor : 8 persons Principal Dimension Capacities Length of Overall : 26.2 M Breadth : 7.6 M Depth : 3.5 M Gross Tonnage : 186.0 Tons Hull : Steel Performance Maximum Speed : 12 Knots
A tender boat for loading observers and hydrographers for transportation
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• Investigate variation/change of remarkable Sand Wave area by comparison with previous data of same SW area.
• Capture a soaring phenomenon of sand in digital and analog records at the top of Sand Wave terrain at the time of strong tidal current of Spring tide, and check the difference of them.
• Positioning measurement of Navigation buoys using non-prism laser from survey vessel in the survey area.
Suggestions 29
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Aero Asahi Corporation will
• Observe administrative requirements of the Littoral States
• Communicate frequently with observers
• Do strictly management of all acquired and processed data
Aero Asahi Corporation appreciate if the HSTWG meeting approves Aero Asahi Corporation as an appropriate survey company to be participated in this significant project.
Thank you for your attention !