PORTCOAST CONSULTANT CORPORATION 92 Nam Ky Khoi Nghia, District 1

Ho Chi Minh CityVietnam

Tel: +84 28 62970341Fax: +84 28 62970344Email: portcoast@portcoast.com.vn

TOPOGRAPHIC AND HYDROGRAPHIC SURVEY

August 2017

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! All kinds of topographic survey for construction project;! Structural Deformation Monitoring;! Hydrographic survey;! Marine construction positioning.

- We were and are doing many projects using RTK (Real Time Kinematic) technologyfor onshore and offshore area. This is a modern technology, combined dual frequencyTopcon GPS receivers (Japan) with echo sounder Odom (USA) and professionalsoftware HypackMax (Coastal Oceanographics, Inc. - USA) (for offshore surveying).

- Motion sensor and Sound velocimeter are also used in the bathymetric survey toimprove the accuracy.

- Besides, we have applied remote sensing (using satellite images) in the topographicsurvey to hasten the progress and save cost.

- Portcoast have many kinds of modern and high technique equipment (cetificatedtesting periodly and satisfy all survey requirements of various projects) include:

- Some of modern equipment at Portcoast for hydrological survey as folowing:

! GPS : have 8 dual frequency Topcon GPS receivers (Japan) GB-1000, GB-500, LegacyH& HiperGD, Hiper Ga/Gb, Hiper+ and 2 single frequency GPS receiver Promark2.

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RTK method, where:

Xb

Yb

Hb

Xr = Xb + dX

Yr = Yb + dY Hr = Hb + dH

dX, dY, dH

Xb, Yb, Hb

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HB = HC – D

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"h different height between two antennas of the base station and the rover station.

HA is elevation of benchmark with reference elipsoid surfce. Hc is elevation of sensor with reference elipsoid surfce. hA is antenna height at the base station, measured by tape with accuracy of about

5mm. hB is height from the antenna of the GPS receiver at the rover station (on boat) to

transduce of echo sounder D is river-bottom depth, measured by an echo sounder. HB is river-bottom height, calculated by formula.

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Some of modern equipment at Portcoast for hydrological survey as folowing?!

EQUIPMENT MOBILISATION TO SITE FOR SURVEYING:

))

AWAC (ACOUSTIC WAVE AND CURRENT METER) – AS:

* Features: * Application:• External battery pack and cable.• Base mounting plate.• Internal compass/Tilt sensor.• Temperature Sensor.

• Measuring tidal.• Measuring current direction and

current velocity.• Measuring frequency and direction

)!• Internal recorder.• Pressure sensor.• Installing work mode, analyzing and

processing data by software.

spectrum of wave. • Located at the sea/river bed.

T!34'U'.2,,4/%'54%4,'V'1(/%4B'!,+(/!2%S'

* Features: * Application:• Argonaut-XR (3.0 MHz, 1.5 MHz, hay

0.75 MHz).• External battery pack and cable.• Multi cell current profiling (10 cells

plus one dynamic cell).• Base mounting plate.• Compass/Tilt Sensor.• Temperature Sensor.• Internal recorder.• Pressure sensor.

• Measuring tide, speed and directioncurrent.

• Located at the sea bed.

)"WAVE GAUGE - SONTEK TRITON:

* Features: * Application:• Small dimension, light weight.• Integrated temperature and pressure

sensor.• Internal compass/Tilt sensor.• Internal batteries.• Set up, analyzed and processed by

software.

• Measuring tidal and wave.• Located at sea bed.

)#AWS2-METEOROLOGICAL

* Features: * Application:- Wind speed:• Range : 0.1 ÷ 45m/s.. • Accuracy : ± 2% full scale.

- Wind direction:• Range : 0.10 ÷ 359.90. • Accuracy : ± 10.

- Air temperature:• Range : -400 ÷ 1000. • Accuracy : ± 0.10C-20 ÷ 600 ±

0.20C.- Barometric pressure:• Range : 600 ÷ 1100hPa.. • Accuracy : ± 2%.

- Rain gauge:• Range : up to 720mm/hr.. • Accuracy : ± tip per rainfall event.

- Solar radiation:• Range : 0 ÷ 2000W/m2. • Accuracy : ± 5%.

- Humidity:• Range : 0 ÷ 100%RH. • Accuracy : RH ± 2%.

• Measuring Wind speed.• Measuring Wind direction.• Measuring Air temperature.• Measuring Barometric pressure.• Measuring Rain gauge.• Measuring Solar radiation.• Measuring Humidity.

)$NRG-METEOROLOGICAL

* Features: * Application:- Wind speed:• Range : 1 ÷ 96m/s.. • Accuracy : ± 1% full scale.

- Wind direction:• Range : 00 ÷ 3600.

• Measuring Wind speed.• Measuring Wind direction.• Measuring Air temperature.• Measuring Barometric pressure.• Measuring Rain gauge.

)&LEVEL METER - LEVEL2000

)'CONTINUOS LEVEL MEASUREMENT - SITRANS PROBE LU HART

)(WATER QUALITY OBSERVATOR - OBS-3A:

WATER QUALITY OBSERVATOR - OBS-5:

C I S: A AI A I C C MPA

ocation: hu uoc sland, ien iang rovince, ietnam

• Bathymetric survey, scale 1/10.000, 2m contour line: 28 ha.• Wave measurement: 2 stations/ days.• urrent measurement: 2 stations/ days.• urrent measurement: 1 section/ days.• Tide gauge: 1 station/ days.• Water sampling and analysis: 24 samples• Bottom sampling and analysis: 20 samples.

(201 )

C I S: R P AP R UP C (CAM IA)

ocation: West South ampot province am odia and orth hu uoc sland, ien iang rovince ietnam

• Bathymetric survey, scale 1/25.000, 2m contour line: 6696ha• Topographic survey, scale 1/1000 scale, 1m contour line: ha

(201 )

C I S: A R UP ( I AM)

ocation: an hong conomic one, hanh oa rovince, ietnam

• Bathymetric survey, scale 1/500, 1m contour line: 68ha• Topographic survey, scale 1/500, 1m contour line: 11ha

(201 )

C I S: I AMARI - I AM MI IS R RA SP R

ocation: Ba ia ung Tau rovince, ietnam

• Bathymetric survey, scale 1/5000, 2m contour line: 2280 ha.• Bathymetric survey, scale 1/1000, 1m contour line: 240 ha.• Sidescan survey: 2280 ha.• Topographic survey, scale 1/2000, 1m contour line: 90 ha.• Wave and marine stream measurement: 6 stations/15 days.• Tide gauge: 4 station/ 1 year.

(2012)

C I S: I IA PR I C

ocation: hu uoc sland, ien iang rovince, ietnam

• Topographic survey, scale 1/1.000, 1m contour: 1.2ha scale 1/5.000, 2m contour line: 21ha.• Bathymetric survey, scale 1/1.000, 1m contour line: 44.45ha scale 1/5.000, 2m contour line:

1112ha and scale 1/10.000, 2m contour line: 1658ha.• Wave measurement: 2 stations/1 month.• urrent measurement: 2 stations/1 month.• Tide gauge: 1 station/ 1 month.

(201 201 )

(201 201 )

C I S: I S R I R A P R C MICA C

ocation: ghi Son conomic one Thanh oa rovince , ietnam

• Bathymetric survey, scale 1/1.000, 1m contour line: 184 .6ha.• Topographic survey, scale 1/1.000, 1m contour line: 45. ha.• Side scan survey: 184 .6ha.• Su ottom pro ile survey: 184 .6ha.• agnetic survey: 184 .6ha.• Wave measurement: 2 stations/40 months.• urrent measurement: 2 stations/40 months.• Tide gauge: 2 stations/ 40 months.• Wave measurement: 1 station at S Berth/ 1 months.• urrent measurement: 1 station at S Berth/ 1 months.• Tide gauge: 1 station at S Berth/ 1 months.• eteorological survey: 1 station/ 6 months.

(200 201 )

C I S: I AM A I A C A A MI RA I US RI S R UP ( I AC MI )

ocation: e ong elta , ietnam

• Bathymetric survey, scale 1/5.000, 2m contour line: 504ha.• Wave measurement: 2 stations/1 month.• servation o lo velocity, direction measuring tur idity, salinity and temperature

o sea ater: 2 stations/1 month.• Tide gauge: 1 station/ 1 month.• Water sampling and analysis: 20 samples• Bottom sampling and analysis: samples.

(201 )

C I S: U C IS P R I S ( - C I A)

ocation: Sihanou ville province ampodia

• Bathymetric survey, scale 1/5000, 1m contour line : 800 ha.• Bathymetric survey, scale 1/25000, 2m contour line: 150 m2• Topographic Survey, scale 1/5000, 2m contour line: 1 0 ha.• Sidescan survey: 800 ha.• Su ottom ro iling Survey: 800 ha.• agnetic Survey: 800 ha.• Wave and Sea current o servation: stations/ days.• Tide gauge: 1 station/ 1 month.

( )

( ) (2012)

C I S: RM SA A I S C RP RA I ( S) Cor oration ( S)

ocation: ung ng conomic one in a Tinh rovince, ietnam

• Topographic survey, scale 1/10.000: 20 ha, scale 1/5.000: 60ha in ort rea and scale 1/2.000:2095ha in and rea.

• Bathymetric survey, scale 1/10.000: 8416ha, scale 1/5.000: 910ha in ort rea• eophysical rospecting Su ottom ro iling : 26 m• Wave measurement: 1 station/12 months.• Wind o servation: 1 station/12 months.• servation o lo velocity, direction measuring tur idity, salinity and temperature o sea

ater: 4 stations/ days.• Tide gauge: 1 station/ 6 months.

(200 200 )

Client: Chan May Port - Royal Caribbean International (USA)

ocation: Thua Thien ue province, ietnam

• Bathymetric survey, scale 1/2000, 1m contour line: 46.5 ha.• Sidescan survey: 46.5 ha.

Chan May Port - Upgrading existing Jetty

Chan May Port - Upgrading existing Jetty (2014)

Typical Projects Of Hydrographical Survey

No. Project name Place Clients Duration

1 Dredging maintenance project in 2016for Dinh An - Can Tho Channel Dinh An - Can Tho Vinamarine 2016

2 Dredging and maintenance project in2016 for Nghi Son Channel Thanh Hoa Vinamarine 2016

3 Low Cai Mep Logistics Center Vung Tau Ba Ria Vung Tau Province Department of Transport

2016

4 ICD Long Binh Transshipment Port Project Ho Chi Minh City Duc Khai Corporation 2016

5 Low Cai Mep General Port BRVT Cai Mep General Port

Company Ltd.

2016

6

International Cruise Port Work to DenDo cap park and urban residential area Project at Phu Thuan Ward,District 7, HCMC

HCMC Saigon Peninsula Group

Corporation

2016

7 Kampot multipurpose port development Kampot, Cambodia TRY PHEAP GROUP CO,.

LTD.

2016

8 Transit port providing coal for thermal power centers in the Mekong Delta Tra Vinh

Vietnam National Coal - Mineral Industries Holding

Corporation Ltd (Vinacomin)

2015

9 Phu Quoc International Passenger Port Kien Giang

Department of Traffic and Transport Kien Giang

Province

2015

10 Vinh Tan 1 BOT coal - fired power plan project in Binh Thuan province Binh Thuan China Harbour Engineering

Company Ltd 2015

11 Vietnam Lee & Man Paper International Port Hau Giang

Vietnam Lee & Man Paper Manufacturing Ltd

2015

12 POSCO SS VINA Port Ba Ria Vung Tau POSCO SS-VINA Co., Ltd 2015

13 Cai Mep General Port Ba Ria Vung Tau Cai Mep General Port Co., Ltd 2015

14 Posco Vietnam Port Ba Ria Vung Tau Posco Vietnam Co., Ltd 2015

15 Ong Keo General Port Dong Nai Long Thuan Investment Corp 2015

16 PVGAS Port Vung Tau Ba Ria Vung Tau

PetroVietnam Gas Vung Tau

Processing Company

2015

17 Dredging and maintenance project in2015 for Vung Tau - Thi Vai Channel Ba Ria Vung Tau Vietnam Maritime

Administration 2015

18 Dredging and maintenance project in2015 for Hiep Phuoc - Soai RapChannel Ho Chi Minh City Vietnam Maritime

Administration 2015

19 Dredging and maintenance project in2015 for Nghi Sơn Channel Thanh Hoa Vietnam Maritime

Administration 2015

20 Dredging and maintenance project in2015 for Da Nang Channel Da Nang Vietnam Maritime

Administration 2015

Typical Projects Of Hydrographical Survey

No. Project name Place Clients Duration

21 Dredging and maintenance project in2015 for Quy Nhon Channel Binh Dinh Vietnam Maritime

Administration 2015

22 Dredging and maintenance project in2015 for Dinh An - Can Tho Channel Dinh An – Can Tho Vietnam Maritime

Administration 2015

23 Navigational channel to Gianh estuary Quang Binh Vietnam Construction

Materials Company Ltd

2015

24 Protection bank for Lee&Man plant Viet Nam Hau Giang Vietnam Lee & Man Paper

Manufacturing Ltd 2015

25 Phu Quoc International Passenger Ship Port Kien Giang VINAMARINE 2014

26 Dinh An - Can Tho Channel Tra Vinh Southern Vietnam Maritime Safety Corporation (VMS-

South) 2014

27 Package 6A - The Improvement Project of Navigational Channel to the Bassac River

Tra Vinh

Vinamarine / Maritime Project

Management Unit III

2014

28 Package 6B - The Improvement Project of Navigational Channel to the Bassac River

Tra Vinh

Vinamarine / Maritime Project

Management Unit III

2014

29 Package 9 - The Improvement Project of Navigational Channel to the Bassac River

Tra Vinh

Vinamarine / Maritime Project

Management Unit III

2014

30 Package 10B - The Improvement Project of Navigational Channel to the Bassac River

Tra Vinh

Vinamarine / Maritime Project

Management Unit III

2014

31 Package 11 - The Improvement Project of Navigational Channel to the Bassac River

Tra Vinh

Vinamarine / Maritime Project

Management Unit III

2014

32 Coal Transshipment Terminal Project Tra Vinh Vinacomin /Nippon Koei 2014

33

Establishment of navigational channel and maritime signal system for Dong Tranh river and navigational channel from Tat Ong Cu - Tat Bai confluence to Go Gia river

Dong Nai Southern Vietnam Maritime Safety Corporation (VMS-

South) 2014

34

Mekong Delta Region Urban Upgrading Project (MDR-UUP) - My Tho city sub-project - Item of Tien River Embankment

Tien Giang

Project Management Unit of Mekong Delta Region

Urban Upgrading Project (MDR-

UUP) - My Tho city sub-project

2014

35

Socializion and Dredging to gather products - Dong Tranh and Tat Ong Cu - Tat Bai Navigational Channel to Go Gia river

Dong Nai Hai Hung Thinh Investment Joint Stock Company 2014

36 Quy Nhon channel Binh Dinh Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

37 Soai Rap - Hiep Phuoc Channel HCMC Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

Typical Projects Of Hydrographical Survey

No. Project name Place Clients Duration

38 Vung Tau - Thi Vai Channel Ba Ria – Vung tau Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

39 Cho Gao Upgrading Project - Phase 1 Tien Giang

Vietnam Inland Waterways Administration (VIWA) /

Project Management Unit of

Southern Inland Waterways (PMU-

SIW)

2013

40 Song Dinh Channel Ba Ria – Vung Tau Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

41 Sai Gon - Vung Tau Channel HCMC-BRVT Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

42 Nghi Son Refinery Petrochemical Complex Project Thanh Hoa

Nghi Son Refinery and Petrochemical Limited

Liability Company (NSRP)/ JGCS

2013

43 Sihanoukville International Terminals - SITC Campuchia

Sihanoukville International Terminals Limited /

Hutchison Port Holdings

2013

44 Dinh An - Can Tho Channel Tra Vinh Southern Vietnam Maritime Safety Corporation (VMS-

South) 2013

45 Tien Sa port extension and upgrade project Da Nang

Ministry of Transport (MOT)/

Project Management Unit 85

2013

46 Posco Vietnam Port Ba Ria - Vung Tau Posco Vietnam Co., Ltd. 2013

47 LDC Potential project Ba Ria - Vung Tau LOUIS DREYFUS

COMMODITIES VIETNAM LTD

2013

48 PVGAS Port Ba Ria - Vung Tau PVGAS / Vung Tau Gas Processing Joint Stock

Company 2013

49 Pilot pick-up and drop-off zone at Ba Ria - Vung Tau province Ba Ria - Vung Tau Vung Tau Port Authority 2013

50 Overall and comprehensive study of Cai Mep - Thi Vai Navigational Channel

Ba Ria - Vung Tau Vinamarine / Maritime

Project Management Unit III

2012

51 Posco Vietnam Port Ba Ria - Vung Tau Posco Việt Nam Co, Ltd 2012

52 POSCO SS-VINA Port Ba Ria – Vung Tau Posco SS-VINA Co., Ltd 2011

53 The Integrated Steel Mill and Son Duong Port Formosa Ha Tinh Project Ha Tinh

Formosa Ha Tinh Steel Corporation / Samsung

C&T Corporation

2011

54 Nam Van Phong General Port Khanh Hoa Thanh Yen - Van Phong

Joint Stock Company

2011

55 Preliminary study on site selection for Coal Terminal in Mekong Delta Tra Vinh Vinacomin / Sumitomo

Corporation 2011

Typical Projects Of Hydrographical Survey

No. Project name Place Clients Duration

56 The Improvement project of Navigational Channel to the Bassac River - Package 1

Tra Vinh Vinamarine / Maritime

Project Management Unit III

2011

57 Quang Trach Power Center Infrastructure Construction Project Quang Binh

PetroVietnam Construction Joint Stock Corporation

(PVC) 2011

58 Dredging of Soai Rap River Navigation Channel Project - Phase IIs

HCMC

Tan Thuan Industrial Promotion Co., Ltd (Tan

Thuan IPC)

2011

59 Saigon Center Container Terminal HCMC SAIGON PREMIER

CONTAINER TERMINAL (SPCT)

2011

60 Cai Mep - Thi Vai International Terminal Ba Ria – Vung Tau Project Management Unit

85 2010

61 Cai Lan Port Quang Ninh

Cai Lan Transport and Storage

Joint Stock Company

2010

62 Port at Van Phong - Khanh Hoa Khanh Hoa Luckyland Corporation 2010

63 SP-PSA International Terminal Ba Ria – Vung Tau SP-PSA International Port

Co., Ltd

2010

64 Ba Son Warehouse and Port HCMC PMU No.9 - Department of Defense 2009

65 Saigon Premier Container Terminal HCMC Saigon Premier Container Terminal (SPCT) 2009

66 Soai Rap Channel HCMC Tan Thuan Industrial Promotion Company (IPC) 2009

67 Long Son channel Port Ba Ria – Vung Tau Long Son Petrochemical Complex Ltd. 2009

68 Duyen Hai Sea Port Project Tra Vinh Vietnam Electricity/Thermal Power Project Management

Unit No.3 2009

69 Nghi Son Refinery Petrochemical Complex Project Thanh Hoa

Nghi Son Refinery And Petrochemical Limited

Liability Company

2009

70 The South Vietnam Petrochemical Complex Ba Ria – Vung Tau Long Son Petrochemical

Co.Ltd 2009

71 SP-SSA International Container Terminal Ba Ria – Vung Tau

SP-SSA International Container Services Joint

Venture Company 2008-2011

72 The Integrated Steel Mill and Son Duong Port Ha Tinh Formosa Plastics Group 2008

73 Study of dredging till -11.00 for Soai Rap Navigation Channel - Phase II HCMC Tan Thuan Industrial

Promotion Company 2007-2008

74 My Xuan International General Port Ba Ria – Vung Tau Formosa International Development Company 2007

75 SP-PSA International Terminal Ba Ria – Vung Tau SP-PSA International Port Co.,Ltd 2007

76 VLCC Bonded Warehouse - Port Ba Ria – Vung Tau PETROVINA 2007

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Typical Projects Of Hydrological Survey

No. Project name Place Clients Duration

1 Phu Quoc International Passenger Port Kien Giang

Department of Traffic and Transport Kien Giang

Province 2015

2 Nghi Son Petro-Chemical Refinery Conjugate Nghi Son TOYO Construction Co.,

Ltd 2015

3 Navigational channel to Gianh estuary Quang Binh Vietnam Construction Materials Company Ltd 2015

4 Phu Quoc International Passenger Ship Port Kien Giang VINAMARINE 2014

5 Coal Transshipment Terminal Project Tra Vinh Vinacomin /Nippon Koei 2014

6 Tien Sa port extension and upgrade project Da Nang

Ministry of Transport (MOT)/

Project Management Unit 85

2013

7 Nghi Son Refinery Petrochemical Complex Project Thanh Hoa

Nghi Son Refinery and Petrochemical Limited

Liability Company (NSRP)/ JGCS

2013

8 Sihanoukville International Terminals - SITC Campuchia

Sihanoukville International Terminals Limited /

Hutchison Port Holdings

2013

9 Overall and comprehensive study of Cai Mep - Thi Vai Navigational Channel

Ba Ria – Vung Tau Vinamarine / Maritime

Project Management Unit III

2012

10 Study and impact assessment of Vung Tau - Go Cong embankment project to maritime traffic

Cai Mep River, Soai Rap River

Vietnam Port - Waterway - Continental Association 2012

11 Preliminary study on site selection for Coal Terminal in Mekong Delta Tra Vinh Vinacomin / Sumitomo

Corporation 2011

12 Lach Huyen Port Infrastructure Construction Project Hai Phong Vinamarine / JICA Study

Team 2011

13 Quang Trach Power Center Infrastructure Construction Project Quang Binh

Petro Vietnam Construction Joint Stock Corporation

(PVC) 2011

14 Cai Mep Ha General & Container Port Ba Ria – Vung Tau Vung Tau Shipyard Corporation 2011

15 Cai Lan International Container Terminal Quang Ninh

Cai Lan Port Investment Joint Stock

Company

2010

16 Port of Van Phong - Khanh Hoa Khanh Hoa Lucky Land Investment Trading Corporation 2010

17 Low Cai Mep Container and General Terminal Ba Ria-Vung Tau Vung Tau Shipyard 2009

18 SP-SSA International Terminal Ba Ria-Vung Tau SP-SSA International Container Services

Joint Venture Company 2009

19 Long Son General Terminal Ba Ria-Vung Tau Long Son Petrochemical Complex Ltd. 2009

20 The Integrated Steel Mill and Son Duong Port Ha Tinh Formosa Plastics Group 2008

Typical Projects Of Hydrological Survey

No. Project name Place Clients Duration

21 Bathymetric survey for product export jetties and material import jetties for Refinery No. 3

Ba Ria-Vung Tau PMU for Refinery No. 3 2007

22 Detailed Plan with Scale of 1/500 for Vinh Dam (Phu Quoc) Kien Giang

Saigon Investment Construction and

Commerce Ltd.

2007

23 Study of Experimental Dredging till -11.00 for Soai Rap Navigation channel - Phase II

HCMC Tan Thuan Industrial Promotion Company (IPC) 2007

24 Hydrographic survey for Soai Rap River HCMC Tan Thuan Industrial

Promotion Company 2004

25 Cai Mep - Thi Vai area, Ganh Rai bay Ba Ria-Vung Tau VINAMARINE 2003

26 Nghi Sơn Petro-chemical Refinery Conjugate Thanh Hoa Petro Vietnam 2003

27 Cai Mep - Thi Vai General Terminal Ba Ria-Vung Tau

Executing based upon the Agreement between

Vietnam and Belgium Governments

2001