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Hydrographic Survey
From multibeam bathymetry to oceanographic studies, YJP Surveyors provides the precise seabed intelligence needed to power confident decisions at sea.
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Trusted by Industry Leaders Across Singapore and Overseas
What We Do
Hydrographic Survey Services
Bathymetric Mapping
Get precise seabed depth and topography for safer navigation and marine development — achieved through multi-beam sonar and bathymetric survey techniques.
Bathymetric Mapping
Get precise seabed depth and topography for safer navigation and marine development — achieved through multi-beam sonar and bathymetric survey techniques.
Bathymetric Mapping
Get precise seabed depth and topography for safer navigation and marine development — achieved through multi-beam sonar and bathymetric survey techniques.
Seabed Classification
Understand seabed composition to guide construction and engineering projects — using side-scan sonar and geophysical investigations for detailed analysis.
Seabed Classification
Understand seabed composition to guide construction and engineering projects — using side-scan sonar and geophysical investigations for detailed analysis.
Seabed Classification
Understand seabed composition to guide construction and engineering projects — using side-scan sonar and geophysical investigations for detailed analysis.
Underwater Obstacle Detection
Reduce risks from wrecks, pipelines, or natural obstructions — identified through high-resolution geophysical surveys and advanced sonar imaging.
Underwater Obstacle Detection
Reduce risks from wrecks, pipelines, or natural obstructions — identified through high-resolution geophysical surveys and advanced sonar imaging.
Underwater Obstacle Detection
Reduce risks from wrecks, pipelines, or natural obstructions — identified through high-resolution geophysical surveys and advanced sonar imaging.
Environmental Baseline Surveys
Support sustainable marine operations with accurate environmental data — collected through oceanographic studies, sand search analysis, and habitat assessments.
Environmental Baseline Surveys
Support sustainable marine operations with accurate environmental data — collected through oceanographic studies, sand search analysis, and habitat assessments.
Environmental Baseline Surveys
Support sustainable marine operations with accurate environmental data — collected through oceanographic studies, sand search analysis, and habitat assessments.
Case Study
Proven Hydrographic Survey Projects
Helping clients secure safer navigation, optimise marine routes, and build sustainable offshore developments through precise seabed data.




Multibeam Survey for Port Development: Tuas Basin & Punggol Jetty
Executed high-accuracy Multibeam Bathymetric Surveys at critical locations like Tuas Basin Shipyard and Punggol Jetty. This work delivered the precise seafloor mapping data required for major port infrastructure expansion, dredge volume calculation, and certifying safe navigational approach depths for large vessels.
Geophysical Survey for Cable Route Optimization (Batangas Region)
Sand Search and EIA Support (Manila Bay & South East Asia)
Integrated Aerial, Topographic, and Hydrographic Survey (Bulacan, Philippines)




Multibeam Survey for Port Development: Tuas Basin & Punggol Jetty
Executed high-accuracy Multibeam Bathymetric Surveys at critical locations like Tuas Basin Shipyard and Punggol Jetty. This work delivered the precise seafloor mapping data required for major port infrastructure expansion, dredge volume calculation, and certifying safe navigational approach depths for large vessels.
Geophysical Survey for Cable Route Optimization (Batangas Region)
Sand Search and EIA Support (Manila Bay & South East Asia)
Integrated Aerial, Topographic, and Hydrographic Survey (Bulacan, Philippines)




Multibeam Survey for Port Development: Tuas Basin & Punggol Jetty
Executed high-accuracy Multibeam Bathymetric Surveys at critical locations like Tuas Basin Shipyard and Punggol Jetty. This work delivered the precise seafloor mapping data required for major port infrastructure expansion, dredge volume calculation, and certifying safe navigational approach depths for large vessels.
Geophysical Survey for Cable Route Optimization (Batangas Region)
Sand Search and EIA Support (Manila Bay & South East Asia)
Integrated Aerial, Topographic, and Hydrographic Survey (Bulacan, Philippines)
Why Choose Us
YJP's Hydrographic Advantage
Decades of experience, certified expertise, and rigorous internal control guarantee your project's success at sea.
Years of Regional Authority
We have 32+ years of industry experience in Geospatial surveys and a strong presence in the South East Asian market since founding in 1993.
Registered Surveyors
Experienced management includes 4 registered surveyors on board to ensure compliance and technical excellence on every project.
Internal Quality Control
90% of work is done internally, ensuring accountability, consistency, and an extremely limited need for outsourcing or sub-contraction.
R&D Focus
Continuous improvement driven by R&D investments, equipping our team with AI-driven software and the latest LiDAR technology.
Years of Regional Authority
We have 32+ years of industry experience in Geospatial surveys and a strong presence in the South East Asian market since founding in 1993.
Registered Surveyors
Experienced management includes 4 registered surveyors on board to ensure compliance and technical excellence on every project.
Internal Quality Control
90% of work is done internally, ensuring accountability, consistency, and an extremely limited need for outsourcing or sub-contraction.
R&D Focus
Continuous improvement driven by R&D investments, equipping our team with AI-driven software and the latest LiDAR technology.
Years of Regional Authority
We have 32+ years of industry experience in Geospatial surveys and a strong presence in the South East Asian market since founding in 1993.
Registered Surveyors
Experienced management includes 4 registered surveyors on board to ensure compliance and technical excellence on every project.
Internal Quality Control
90% of work is done internally, ensuring accountability, consistency, and an extremely limited need for outsourcing or sub-contraction.
R&D Focus
Continuous improvement driven by R&D investments, equipping our team with AI-driven software and the latest LiDAR technology.
Ready to Move Your Offshore Project Forward?
Partner with YJP for surveys backed by advanced technology, proven expertise, and full regulatory compliance. Let’s make your next project a success.
Ready to Move Your Offshore Project Forward?
Partner with YJP for surveys backed by advanced technology, proven expertise, and full regulatory compliance. Let’s make your next project a success.
Ready to Move Your Offshore Project Forward?
Partner with YJP for surveys backed by advanced technology, proven expertise, and full regulatory compliance. Let’s make your next project a success.


YJP Surveyors
PTE LTD
Land & Hydrographic Surveyors since 1993
Land & Hydrographic Surveyors Since 1993.
Land & Hydrographic Surveyors since 1993






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