Hydrographic Survey Division
Pramitee Engineering & Surveys Pvt. Ltd. specializes in acquiring and processing geophysical data using a variety of sensors. We support companies, construction firms, consultants, and engineering organizations with detailed surveys and assessments of the seabed and sub-seabed. Our services also help with cost-effective design, project risk reduction, enhanced safety, and route and project planning for marine structures and subsea installations.
- Bathymetry Surveys
- Shallow and Deep Water Multibeam Surveys
- Rivers, Lakes and Reservoir Surveys
- Port and Harbour Surveys
- Dredging Support Surveys
- Geophysical Surveys
- Diving Support and Positioning Services
- Offshore Construction Projects
- Positioning Services for Rigs and Barges
- Route Surveys for Railways and Roads
- Shallow Water Oceanography
- AutoCAD and PDF Chart Preparation
- Piling in River and Shore Areas
- Bridge Construction Surveys
- River Surveys
- High-Rise Building Surveys
- Shore Pipeline Surveys
- Geotechnical Surveys
Our Services
Differential Global Positioning Services (DGPS)
Using a range of DGPS receivers, Pramitee Engineering & Surveys Pvt. Ltd. establishes land control points with millimetre-level accuracy through static differential techniques. We offer UHF/HF-linked Differential Global Positioning Services to support positioning activities with an accuracy of up to sub-metre level, as described in our existing company documentation.
- Our DGPS positioning services support:
- Vessel navigation and offshore surveys
- Rig positioning, offshore vessel positioning and barge positioning
- Land surveys and GIS (Geographical Information System) application surveys
- Vessel management services
- Navigation assistance and pilotage for vessel movement in and out of ports and harbours
Construction Support Survey Services
Pramitee Engineering & Surveys Pvt. Ltd. provides survey and navigation services on a turnkey basis to marine and offshore construction companies.
- Our construction support activities include: -
- Jacket, SPM, SBM and CALM buoy installation
- Pipe laying, jetty construction and dolphin hook-up activities
- Pre-engineering and pre-lay support services
- Jacket installation and pipe-lay support services
- Post-construction support, pre-burial and post-burial surveys
- As-built and cathodic protection surveys
- Cable laying surveys
Geophysical Surveys
We have experience in acquiring and processing geophysical data using a variety of sensors, including echo sounders, side-scan sonar, sparker/boomers, pipe liners, piston gravity corers, magnetometers, sector sonar and other survey equipment.
Our services support oil companies, construction companies, consulting and engineering firms, and other organizations involved in geophysical activities.
- Our capabilities include: -
- Pre-engineering and pre-construction surveys for offshore installations and sites
- Pre-engineering and pre-construction surveys for submarine pipeline routes
- Post-construction surveys and pre-burial surveys
- As-built and cathodic protection surveys
- Feasibility studies for port development and expansion
- As-built and cathodic protection surveys
- Identification of suitable locations for harbours, jetties, SPMs, SBMs, water intakes and disposal sites for refineries and thermal power plants
Oceanographic Surveys
Pramitee Engineering & Surveys Pvt. Ltd. can acquire and process tidal, current, wind and wave data, along with soil samples and measurements of salinity and water samples. These services support marine assessments and project planning.
Dredging Support Services
We provide dredging support services to assist with survey requirements before, during and after dredging operations.
- Our services include: -
- Pre-dredging and post-dredging surveys and positioning during dredging operations
- Quantity calculation of dredged material and sediment transport
- Siltation studies
- Feasibility studies for maintenance dredging patterns
- Beach replenishment surveys
GIS and Mapping Services
We use GIS and automated mapping technologies to produce map-based analysis for informed decision-making. Our services also include CAD/CAM-related project support.
- Our capabilities include: -
- Drawing conversion and archiving
- Plotting and scanning
- 2D drafting and 3D modelling
- Document conversion and management
Resources & Equipment
Pramitee Engineering & Surveys Pvt. Ltd. maintains equipment to carry out survey activities professionally and efficiently.
Differential Global Positioning Systems -
- Trimble SPS 855 and Trimble R6 DGPS
- Leica GS16 System
- Spectra Precision SPS 80
- Trimble R12/12i
- Trimble SPS 351
- Trimble SPS 356
Depth Measuring Systems -
- Atlas Deso 20 Dual Frequency Echo Sounder
- Raytheon 719C Single Frequency Echo Sounder
- Bathy 500DF Dual Frequency Echo Sounder
- Multibeam/Geo-Swath Echo Sounder
- Sub-bottom Profiler
- Side Scan Sonar
Oceanographic Equipment -
- Automatic Tide Gauge
- Sub-bottom Profiler
- Current Meter
- Bottom Sampler
- Water Sampler
- Anemometers
Plant and Machinery -
- Batteries and battery chargers
- Voltage stabilizer
- UPS
- Vehicles
- Computers
Hydrographic Survey Software
Our hydrographic survey and data-processing activities are supported by the following software:
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- Hydro Pro
- Hypack/Hysweep
- World Tides
- World Currents
- Windmill
- Qinsy
- MATLAB
- CODA