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Underwater topographic survey in Vung Tau province

Underwater topographic survey is very necessary, especially for embankment and wharf design work… Hop Nhat Bach Viet Co., Ltd specializes in surveying construction (topography, geology), we have experience in underwater topographic survey: riverbed, seabed. The following is an underwater topographic survey project in Vung Tau province – topographic survey of riverbed.

CONTACT FOR CONSULTATION AND QUOTATION OF UNDERWATER TOPOGRAPHIC SURVEY 0903692185

The purpose of underwater topographic survey – Topographic survey of seabed

Underwater topographic survey for surveying the shape of underwater topography, depth and shallowness of each location. Thereby, the investor can search pre-feasibility or consult the planning design, project design. For example:

Embankment design
Ship channel design
Barrage design
Dredging the riverbed mud
Undersea wharf design
Marina design
…A lot of work is related to the construction of structures and reinforcement to ensure the safety of the works on the shore.

Khảo sát địa hình dưới nước phục vụ thiết kế kè sông — Underwater topogaphic survey for river embankment design

Equipments and method of underwater topographic survey – Topographic survey of riverbed

There are many suitable methods and equipments for underwater reverd depth measurement.

Methods that can be referred to are the RTK method and the PPK method

Method of combining reverd depth measurement with RTK is quite simple by 1 base station and 1 RTK mounted on the boat.

In the topographic survey project of Vung Tau riverbed, the contractor used ECHOTRACK CV100 device and GPS Trimble RS8 device.

Data results are processed on Hypack software.

Thiết bị và phương pháp khảo sát địa hình dưới nước — Equipments and method of underwater topographic survey

Unit price of underwater topographic survey

The unit price of underwater topographic survey depends on the level of river, seabed. Read more: cấp địa hình của khảo sát địa hình dưới nước

Underwater topographic survey depending on the rate has different unit prices. The unit price for topographic survey of seabed, riverbed and lake bed:

Topographic survey of lake bed: 1-3 million dong/ha
Topographic survey of seabed: 3- 5 million dong/ha
Topographic survey of river bed: 2-4 million dong/ha

However, depending on your project, we have a flexible pricing policy. For price reference, please contact: 0903692185

Some pictures of underwater topographic survey in Vung Tau province

Contractor Hop Nhat Bach Viet Co., Ltd. performed underwater topographic survey in Phu My town, Vung Tau province with a scope of 110Ha.

Total length of riverbed survey is 6km.

Some pictures of reverd depth measurement

hình ảnh khảo sát địa hình dưới nước Vũng Tàu — Picture of underwater topographic survey in Vung Tau province

This is the estuary area, affected by high tide. Therefore, the contractor surveyed the underwater topography on 2 shifts: at 4 am to 8 am and at 2 pm to 6 pm.