Hydrographic survey is one of the very important work items for input data to serve the design of waterway structure. In order to improve measurement accuracy and increase efficiency to create 3D hydrographic maps (with a dense point density (points cloud)) by applying the most modern survey technology in the world.

Portcoast is the first unit in Vietnam that had invested in a complete system for surveying shallow water areas by OTTER UNMANNED SURFACE VEHICLE [USV].

The OTTER Pro had integrated system between a Norbit's iWBMS Multibeam and a NORBIT's iLiDAR Laser Sensor to recorded underwater data and both sides. This system is an efficient solution (reduce cost and schedule) for surveying in shallow water areas such as lakes, canals, rivers, ponds and harbour areas.

STORMBEE is a user-friendly Unmanned Aerial Vehicle (UAV) custom designed for lasers canning with a FARO Focus laser scanner. User-friendliness was one of the primary requirements during its development ensuring that both flying the UAV and post- processing the data is as simple as possible. STORMBEE can be flown fully automatic from take-off to landing using the dedicated iPad app. It has advanced safety features ensuring it always comes home even when one of its motors has failed. In addition, STORMBEE is also transport user-friendly. It’s arms and legs are foldable ensuring it fits in your car booth. Post-processing the laser scan data into a cm-accurate geo-referenced point cloud using our in-house developed BEEFLEX software package is straightforward and takes very little time.

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The Trimble MX50's is a practical field to finish moblie mapping solution for asset management, mapping, road maintenance. Mobile mapping system combining precise LiDAR data and immersive panoramic imagery at highway speed.

The Trimble MX50's accurate point cloud underpins your ability to locate and measure your assets, whilst 360° imagery allows for the determination of inspection data and feature attribute information.

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SHARE 203S PRO has a flight height of 272 meters at the required 3 cm resolution for urban 3D projects, ensuring safety flight height for operations.Equipped with aerial plug interface as standard, adaptable to fixed-wing to launch urban large-area data collection. The operating altitude is 454 meters, corresponding 5 cm ground resolution.

PSDK 102S V3,the 5-lens oblique camera with 3-Axis Stabilized Gimbal, is a highly integrated surveying camera specialized in aerial photogrammetry. Full-on efficiency booster brings unprecedented operating experience. The adjustable parameter allows camera applicated in various scenarios. Also widely compatible with open-source payloads. Capable to do high precision imaging with no GCPs needed. Fast, stable, accurate data transmission up to 300m/s. The camera is seamlessly docking with a DJI Matrice 300 RTK through SkyPort.

The DJI Matrice 350 RTK is an advanced unmanned aerial vehicle equipped with a modern control system and 6-directional sensors, ensuring high performance and safety.
The Zenmuse L2 integrates a precise IMU system combined with RTK positioning, providing absolute accuracy in location, velocity, and altitude—ideal for surveying and mapping tasks.
LiDAR accuracy: 2 cm @ 150 m
Survey range:
- Altitude: 450 m
- Area: 2.5 km²
- Data acquisition rate:
- Single beam: 240,000 points/second
- Multi-beam: 1,200,000 points/second
Supports 5 reflection signals (Penta Return).

This is one of the most advanced drones. The device has a modern control system with sensors in 6 directions, camera for the user, RTK navigation system. Equipping sensors in multiple directions gives the Matrice 300RTK outstanding safety. Combined with Zenmuse L1, which is a device with synchronous Lidar and Camera, the Matrice 300RTK - ZENMUSE L1 system is capable of capturing image and point cloud data, based on 3 times response signal from the Lidar and penetrating through the foliage….This helps to expand the exploitation capacity in the fields of: industry, agriculture, construction, energy, mapping..

DJI’s Newest Drone can fly in heavy rain — and has its own Robotic Dock:
- Powerful Flight Performance
- Max Flight Time: 41-min
- Wind Resistance: 15 m/s
- Service Ceiling: 7000 m
- Max Speed: 23 m/s

Environmental Adaptability:
- With IP55 protection, the M30 can easily handle adverse weather and temperatures ranging from -20° C～50° C

For industry professionals looking to scan inaccessible places and find new business opportunities, Leica ScanStation P50 is the fastest and safest, long range 3D laser scanner. Unlike any other laser scanner, the P50 solution maximises productivity by scanning inaccessible places at a safe position on site, reducing time in the field with less setups.
- Highest quality 3D data and HDR imaging
- Extremely high - speed scan rate of 1 mio points per second
- Ranges of up to 1 kilometre
- Low range noise
- Survey-grade dual-axis compensation.

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The Leica RTC360 3D reality capture solution empowers users to document and capture their environments in 3D, improving efficiency and productivity in the field and in the office through fast, simple-to-use, accurate, and portable hardware and software. The RTC360 3D laser scanner is the solution for professionals to manage project complexities with accurate and reliable 3D representations and discover the possibilities of any site.
Highly portable, highly automated, intuitive and designed for maximum productivity, the RTC360 solution efficiently combines the RTC360 a high-performance 3D laser scanner, Leica Cyclone FIELD 360 mobile-device app for edge computing for automatically registering scans in real time, and Leica Cyclone REGISTER 360 office software to integrate your 3D model seamlessly into your workflow.

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The Leica BLK360 captures the world around you with full-colour panoramic images overlaid on a high-accuracy point cloud. Simple to use with the single push of one button, the BLK360 is the smallest and lightest imaging laser scanner of its kind. Anyone who can operate an iPad can now capture the world around them with high resolution 3D panoramic images.

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The Leica iCON iCR80 construction total station keeps its ‘eye’ on only one thing: the user’s target. Layout more points per day thanks to ATRplus, the most robust automated-aiming, lock and re-lock technology in the market. The iCR80 is especially useful in congested sites with many distractions, such as reflections, machines and people moving around. Challenging and changing site conditions should not be an obstacle.

The iCON iCR80 feature:

• Faster prism search by patented technology, PowerSearch
• Stable data communication with long-range Bluetooth® (up to 400m)
• Easy hand-over control from pole to machine and vice versa
• ATRplus technology, maximising the total station’s ability to remain locked on your target for highest point-to-point layout speed
• “Tune out targets” feature to ignore other distractions in the field
• Fastest re-lock in case of interrupted line of sight
• Dynamic Lock (optionally available) – ability to search and lock onto moving targets

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Ultimate GNSS Rover and field solution for maximum efficiency. Speed up – anytime, anywhere. Leica Geosystems introduces the most efficient construction GNSS rovers, the Leica iCON gps 70 Series. Combining the latest GNSS technology and inertial measurement unit (IMU), the Leica iCON gps 70 T is equipped with permanent tilt compensation and as well resistant to any magnetic interferences. Being calibration-free, the iCON gps 70 T is ready when you are – anytime, anywhere. The iCON gps 70 T releases the limitations of working with the pole in vertical positions and increases the productivity compared to conventional methods.

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The new Leica Nova TS60 total station is the world’s most accurate total station, designed to tackle your most demanding projects. The ground-breaking angular accuracy of 0.5” (sub-second) and distance accuracy of 0.6mm + 1ppm (sub-millimetre) enables you to work at the same high performance levels, even in the harshest of conditions. Be it in rain, fog, dust, sun, heat shimmer or reflections, the TS60 offers the fastest re-lock in case of an interrupted line of sight.

When to use the Leica Nova TS60:

• Highest accuracy for stakeout tasks in construction projects: stakeout design data, guiding pre-fabricated elements to the right position
• Reference network measurements for construction and infrastructure projects: define the reference network frame with precise angle and distance measurements
• Measuring buildings and structures: bridge condition/clearance analysis, BIM and as-built
• Checking pre-fabricated elements in shipbuilding and for wind turbines: as-built checks and dimension control
• Monitoring measurements: permanent or campaign monitoring of bridges, buildings and steel structures
• Control of slab track installation and clearance surveys of railways

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You no longer need to hold the pole vertical to level the bubble with the new Leica GS18 T, the fastest and easiest-to-use GNSS smart antenna and RTK rover. This latest innovation combines GNSS and Inertial Measurement Unit (IMU) to be the first true tilt compensation solution immune to magnetic disturbances and is calibration-free.

As you no longer need to watch and level the bubble, you can focus on your task at hand and save time over conventional surveying practices. Uninterrupted, accurate positioning when surrounded by or in close proximity to metallic objects - measure where others simply couldn’t before. The GS18 T works directly out of the box without any calibration procedure.

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Introducing Leica GS18 I, a versatile, survey-grade GNSS RTK rover with Visual Positioning. Designed for surveying professionals to measure points which previously could not be measured with a GNSS rover easily and accurately. Now, you can quickly capture the site in images and measure points from them, either in the field or later in the office.

Sensor fusion of GNSS, IMU and a camera come together to create Visual Positioning technology, resulting in a GNSS RTK rover so powerful that it enables you to measure what you see. GS18 I has all the functionality of the Leica GS18 T: in addition to Visual Positioning, users can for example map points with either tilted or levelled pole.

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Leica LS10 Digital Levels alleviate demanding levelling tasks on any site. Automated functions and industry-leading 0.2mm accuracy allow users to easily demonstrate their measuring skills while effectively completing any project.

This is a 2-in-1 device, it has the features of a modern high-precision robotic total station (1" angle measurement, 1mm+1.5ppm edge measurement) and the features of a standard laser scanner. When scanning, vertical and horizontal angle measurement accuracy is up to 5". The SX12 is an ultra-precise laser scanner. The ability of automatically catching target up to 300m with a 360⁰ prism helps the device improve data collection productivity. Intuitive operations on the controller screen make controlling the device easier and more enjoyable than ever.

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The Trimble X9 enables users to create accurate as-builts of complex industrial facilities for modeling and revamp designs. Also use it to: Take high-resolution area scans for more detail on points of interest and safely capture inaccessible areas from a distance.

The Trimble R12i delivers unmatched GNSS performance, speed and accuracy to boost your productivity like never before. With improved performance in challenging GNSS conditions and robust IMU-based tilt compensation that lets you forget about leveling the pole, you'll get more done faster than you thought possible.

Redesigned from the ground up, the Trimble® TSC7 controller with Trimble Access™ field software combines the power of a tablet, laptop and survey-rugged design into one device. Bringing the latest in field technology, this powerful combination of hardware and software unleashes a competitive advantage for how you survey in the field.

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The Trimble DiNi Level is a digital height measurement sensor from Trimble’s Integrated SurveyingTM portfolio. The Trimble DiNi is a field-proven tool designed for any job site requiring fast and accurate height determination. Use the Trimble DiNi for applications such as precise leveling of flat and sloping surfaces, establishing the vertical component of grade and ground profiles, subsidence monitoring, and establishing the vertical component of control networks.

This is a standard laser scanning device with high accuracy and high scanning speed that can scan and capture images at the same time. The device uses wave with wavelength of 1064nm, so it has the advantage in collecting data from surfaces covered by foliage. The ability catches the prism at a distance of 200m makes the device suitable for large construction sites. The device has 8 measurement modes and can be controlled remotely. The device is suitable for all applications in industry, construction, BIM, surveying for infrastructure as well as the heritage conservation.

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Topcon raises the standard once again by adding Vanguard Technology’s 226 channels and fence antenna into a versatile, configurable receiver, HiPer V. The additional channels and precision antenna element make RTK positioning faster and more productive than any other receiver on the market.

This is a lidar scanner that has the same features as a standard laser scanner. The device mainly serves topographic surveys with outstanding features such as a large range up to 2km, receiving 4 reflected signals. This gives the advantages for surveying work in areas covered by foliage. There is a built-in GNSS sensor that can determine the position of the device in the field, so that the operator can place the device in the optimal location for data collection. When combined with the Novatel IMU, the device becomes a mobile scanning station that can be mount on a car or boat with third-party software.

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The FARO Focus S350-A is specially designed for outdoor applications due to its small size, extra light weight and extended scanning range. The Focus S350-A provides scanning results even in challenging environments, narrow job-sites, dusty or humid areas, in rain or direct sunlight applications. An on-site compensation tool allows data quality optimization on-site. Integrated GPS & GLONASS receiver enable easy positioning. HDR imaging and HD photo resolution ensure true-to-detail scan results with high data quality. Focus S350A Laser Scanner truly mobile for fast, secure and reliable scanning.

The FARO Scanner Freestyle3D X is especially designed for challenging scanning projects which require highest accuracy. It is suitable for all applications in which demanding projects must be quickly scanned from various perspectives. The high-precision 3D scan data can easily be imported into all commonly used software solutions for architecture, accident reconstruction, civil engineering, construction, facility management, forensics or industrial manufacturing.

FARO ScanPlan, an innovative, handheld device that dramatically speeds up the process of capturing 2D floor plans. It is an ideal tool for anyone who needs to quickly obtain as-built floor plans of buildings for threat assessment, pre-incident planning and fire protection engineering, 2D as-built documentation, or optimal scan job planning. Use the ScanPlan to document floor plans of buildings large and small, including houses, schools, shopping malls, public venues, office buildings, construction sites, and more.

Unitree Go1 is capable of running at 4.7m/s, and is featured with Intelligent Side-Follow System (ISS), Super Sensory System (SSS) and built-in powerful AI. The all-new Leica BLK360 is an advanced precision imaging laser scanner. At the push of a button, users can capture a full scan with spherical images in only twenty seconds - over five times faster than the BLK360 G1. Blaze through job sites with best-in-class rapid scanning that doesn’t compromise on quality, while the Visual Inertial System (VIS) Technology automatically combines your scans on-site to speed up your workflow and help you make sure your datasets are complete. The BLK360 enables users to work faster and smarter while getting the data they need immediately.

Matterport is the standard for 3D space capture. Our all-in-one platform transforms real-life spaces into immersive digital twin models. So much more than panoramic scans, Matterport empowers people to capture and connect rooms to create truly interactive 3D models of spaces.

Modern bathymetric & hydraulic survey equipment include tide/ current gauge of latest generation (Sontek Triton Wave Gauge) which could determine the wave frequency and directional spectrum, tidal WSL with high accuracy; the complex equipment OBS-5 & OBS-3A which can measure the temperature, pressure, salinity, turbidity and concentrated sediment, the meteorological station AWS-2, the wind velocity and direction station EL,... To serve for survey work, Portcoast has invested the modern equipment for bathymetric survey such as DGPS Dual Frequency and RTK technology (Real Time Kinematic), Echotrac MKIII echo sounder dual frequency and STRATA BOX Marine Geophysical Instrument, Electronic Total Station 6001C, Leica digital levels alleviate demanding leveling tasks on any site (Model LS10), Automatic Leveling Equipment (Model AT-G3).

Nortek AWAC is a revolutionary instrument that gives you both a current profiler and a wave directional system in one unit. You can measure the current speed and direction in 1-m thick layers from the bottom to the surface and you can measure long waves, storm waves, short wind waves, or transient waves generated by local ship traffic.

The Argonaut-XR offers exceptional value for near shore deployments in less than 40 m of water. Designed specifically for mounting on the bottom of a river, channel, or harbor, the XR features a special mode that automatically adjusts one of its measurement cells for changing water level. Its small size, rugged build, and flexible system architecture make the XR attractive for both real-time operation and autonomous deployments.

Providing robust velocity measurements in a compact, easy-to-use package, the SonTek Argonaut-ADV is the ultimate instrument for shallow water flow monitoring. Ideal for low-flow applications in shallow streams, marshes, lakes, or water treatment facilities, the 3-axis (3D) Argonaut-ADV's advanced Doppler technology measures single-point velocity away from flow obstructions. All signal processing is done internally, allowing the Argonaut-ADV to be readily integrated with a wide range of additional sensors.

Odom ES3-M is the echo sonar multibeam which integrates the best features of products from two industry leaders in one compact package. In the ES3-M Odom Hydrographic's paradigm changing ES3 multibeam sonar is united with Teledyne TSS's survey proven DMS line of motion sensors. The two companies technical cooperation has resulted in a system with virtually zero fixed offsets (rollandpitch) between the two central components of a Hydrographic Multibeam System. Eliminating offsets means quicker installations, faster calibrations and reduced setup errors, helping you maximize productivity. Range resolution: 2cm in 100m water depth.

The OBS-3A combines our OBS® probe with pressure, temperature, and conductivity sensors in a battery- powered recording instrument. ... The heart of the OBS-3A monitoring system is an OBS sensor for measuring turbidity and suspended solids concentrations.

The OBS-5+ monitors high sediment concentrations using an infrared laser and a proprietary dual photo-detection system (U.S. Patent No. 5,796,481). The probe transmits sediment concentration and depth to a PC via an RS-232 or RS-485 link. Data are also stored internally. The OBS-5+ is ideal for monitoring dredging and site-remediation operations, determining dredge efficiency, providing data for sediment transport research, and supporting undersea mining and trenching.

EdgeTech 4200-MP Side Scan Sonar System provides a unique advantage over conventional dual frequency side scan systems by combining EdgeTech’s Full Spectrum and Multi-Pulse technologies into one unit. Providing high resolution images of seabed in oceans, lakes and rivers. The 4200-MP comes available with a choice of two dual simultaneous frequency sets; either 100/400 kHz or 300/600 kHz, and offers two software selectable modes of operation:
- High Definition Mode (HDM) – conventional dual simultaneous frequency operation with extra long array for superior resolution; excellent tool for Mine Countermeasures (MCM).
- High Speed Mode (HSM) – Multi-Pulse operation on either selected frequency for speeds up to 10 knots, while meeting NOAA and IHO-44 requirements for Hydrographic Survey for "hits on target" compared to conventional systems at 4 knots. This is an additional feature for high-speed navy patrol vessels.
Resolution across track: 15cm with 600khz frequency

EdgeTech 3200-XS Sub-bottom Profiling System is a high-resolution wideband Frequency Modulated (FM) sub-bottom profiler utilizing EdgeTech’s proprietary Full Spectrum CHIRP technology. The system transmits a FM pulse that is linearly swept over a Full Spectrum frequency. The acoustic return received at the hydrophones is passed through a pulse compression filter, generating high-resolution images of the sub-bottom stratigraphy in oceans, lakes, and rivers. Vertical resolution: 8-20cm Penetration: 30m in coarse and calcareous sand 250m in soft clay.

The Echotrac MKIII is the only sounder on the market offering you the choice of either a high resolution thermal paper recorder or a full-sized high bright color LCD chart in interchangeable module format. Both high and low channels feature frequency agility, enabling the operator to precisely match the transceiver to almost any existing transducer. This ability minimizes near-surface noise caused by transducer ringing while increasing echo return strength. The MKIII is capable of both shallow and deep water operations and features unsurpassed interfacing flexibility with four serial ports and high speed Ethernet capability for maximum efficiency.

Specifically designed for work in less-than-ideal circumstances on small survey boats and inflatable watercraft, the Hydrotrac offers compact portability and the confidence of knowing you're using an Odom product. It is completely waterproof and comes equipped with the same advanced features you've come to trust and depend on in Odom echo sounders.

The DMS range of motion sensors is designed specifically for the motion measurement needs of the marine industry.
The DMS provides accurate motion measurement in all sea conditions. Incorporating an enhanced external velocity and heading aiding algorithm for improved accuracy during dynamic manoeuvres, the solid state angular rate sensors offer reliability in the highest performing vertical reference unit.
The DMS is rated to 3000m as standard with 6000m available on request. The sensor can be supplied in various configurations for integration with towed vehicles and other applications. As with all TSS system, the DMS is certified to meet all current and anticipated European legislation for electromagnetic compatibility and electronic emissions.
Dynamic accuracy:
- Heave: 5cm.
- Roll-pitch: 0.05o.

The innovative design of SymphoniePLUS3 allows you to log time-stamped data from up to 15 sensors. Six counter (anemometer) channels and two analog wind direction channels are built-in, while three “flex” channels and the remaining four analog channels allow for numerous sensor configuration options depending on the requirements of your particular measurement campaign.

Meteorological station AWS-2 is a modern equipment which can record meteorological data through 6 sensors:
- 2 sensors of wind measuring (wind direction and velocity).
- 1 sensor of temperature measuring.
- 1 sensor of rain volume measuring.
- 1 sensor of solar radiation measuring.
- 1 sensor of humidity measuring.

These sensors are connected with control box through ports of the control box.

Odom Digibar Pro™ is the most cost-efficient and accurate means of determining water column sound velocities. It quickly calibrates acoustic systems regardless of sea state or current, and is faster and safer than the traditional bar check method. Digibar Pro™ uses “sing-around” technology, which automatically compensates for all factors influencing sound velocity, including salinity, depth and temperature. Resolution: 0.1m/sec Accuracy: +(-) 0.3m/sec.

Drone solutions collect accurate, geo-tagged data quickly, while photogrammetry software processes these data to deliver standardized outputs.

The drilling rig XY-1 (China) with 20HP capacity is used to make a borehole to 100m depth into soil or rock. The hole is made by rotary method combined with circulatory solution to lift the drilling mud upward. Some in-situ tests are also performed inside the drilled borehole such as: Standard Penetration Test (SPT), Field Vane Shear Test (FVST), Pressuremeter (PMT) and other tests. Besides, the drilled borehole is also used to install geotechnical instrumentations.

Standard Penetration Test (SPT) Equipment is used to determine consistency of soil and using as visual identification sample and disturbed samples for laboratory testing (if required).
The SPT tools consist of:
- A 63.5 kg free drop hammer with a guide rod.
- Anvil.
- A split-barrel sampler of 50 mm outer diameter and a driving shoe with constant inside diameter of 35 mm.

The Osterberg piston sampler is used for taking the soft soil samples (very soft/soft Clay).

Thin-walled tube (Shelby tube) sampler is used for sampling of undisturbed (UD) samples.

The AIMIL Field Vane Shear Tester (India) is used to determine the undrained shear strength of clayey soils at site. This test is done in both casing and borehole. When the vane reaches the desired depth, push the vane rods downward direction about 3 times vane diameter from the borehole bottom then rotate the gauge to record moment value. The expected result is the undrained shear strength at the depth.
The AIMIL Field Vane Shear Tester consists of:
- Torque gauge housing – Aimil (India).
- The set of vane consist of 3 types: small, medium and large with area ratio of 9.00 %; 9.12 % and 9.25 %, respectively.
- Loadcell Sensor and data acquisition system.
- Laptop.
- Vane rod has one meter of length and outside diameter of 19 mm.

Electric Cone instrument of Envi AB (Sweden) is a versatile equipment and provide fast in-situ results. Based on recorded data, the soil strata are determined faster than other equipment. Data recorded by sounding transfer from memo-cone to the datalogger on surface. The inclinometer sensor is attached in the memo-cone to control inclination during penetration.

Soil parameters are recorded such as: cone resistance (q_c), sleeve friction (f_s) …This equipment can also be performed pore water pressure dissipation test at the field – an important soil parameter in term of calculation the horizontal consolidation coefficient.

The PDA uses signals from reusable sensors to collect data. It consist of 2 Accelerometers and 2 strain gages. When a hammer or weight strikes top of pile, the compressive stress wave travel down its shaft and reflect up. Soil resistance forces along the shaft and at the toe cause wave reflection and are felt at the top of the pile. The measured force and velocity near pile top thus provides necessary and sufficient information to estimate soil resistance and its distribution.

The Pile Driving analyzer technology applies dynamic measurements to solve pilling problems. Force and acceleration measurements taken near the top of a pile during impact provide the necessary information for determining:
- Activated bearing capacity
- Hammer performance
- Maximum driving stresses
- Pile or Shaft Integrity
PDA test can be applied on all types of pile, such as pre-cast concrete pile, in-cast placed pile, steel pile, timber pile, composite pile…

Inclinometer system is used to monitor lateral movement of slope embankment during construction stage or slope protection. The inclinometer probe, datalogger box and casing are manufactured by Geokon Co., (USA).
There are 02 types of conventional Piezometer: vibrating-wire piezometer and standpipe piezometer.
The Piezometer is designed to measure fluid pressures such as ground water elevations and pore pressures when buried directly in embankments, fills, etc.
Electrical measuring tape is used for monitoring ground water level in observation well.
Magnetic extensometer is utilized to measure settlement of soft soil under the influence of loading during soil improvement or construction stage. The magnetic extensometer consists of components spider magnet, plate magnet, datum magnet, telescoping coupling, access tube and cable reel with audible.
The Earth Pressure Cells are designed to measure total pressure in earth fills and embankments.

The Menard pressuremeter equipment (APAGEO) provides a tress-strain response of the insitu soil. A deformation modulus called the pressuremeter modulus (Ep) and a limit pressure (PL) can be obtained from the stress-strain relationship for geotechnical analysis and foundation design.
The pressuremeter test is performed by applying pressure to the sidewalls of a borehole. The pressuremeter consists of two parts, the read-out unit, which rests on ground surface, and the probe that inserted into the borehole. The probe consists of three independent cells, a measuring cell and two guard cells.
Once the probe is at the test depth, the guard cells are inflated to brace the probe in place. Then the measuring cell is pressurized with water, inflating its flexible rubber bladder, which exerts a pressure on the borehole walls. As the pressure in the measuring cell increases, the borehole deforms. The pressure within the measuring cell is held constant for approximately 60 seconds, and the increase in volume required maintaining the constant pressure is recorded. A load-deformation diagram is recorded for each test run.

Hydrometer & Sieves are used for grain size distribution analysis. The test is conducted in two stages: sieve analysis for coarse-grained soils (>0.075mm) and hydrometer analysis for fine-grained soils (< 0.075mm).
The results are presented by a grain size distribution curve which is combined as the percentage of sample smaller than, by weight, versus the log of the particle diameter. The curve provides the parameters about effective diameter (D₉₀, D₆₀, D₅₀ & D₁₀), and coefficient of uniformity (C_u). Tests are performed in accordance with ASTM D422.

Vacuum pycnometer is used to determine specific gravity of soil in accordance with ASTM D854.

Equipment for Atterberg limits test is used to determine liquid limit (LL) and plastic limit (PL) which are very important indices used for classification of cohesive soil. The testing equipment is manufactured by HUMBOLDT – USA and procedures are according to ASTM, BS.

One-dimension consolidometer (Humboltd, USA) can be reached to maximum pressure of 64 kG/cm². Displacement transducer MLT system connect with datalogger supplied by M-System (Japan). During test, data will be controlled and updated by M-System software, continuously. Warning will be activated when strain gauge out of safety limitation.

CRS equipment is used to complete a consolidation test within one day instead seven by conventional one-dimension consolidometer. Process of loading and unloading shall be automatically controlled by ICON software. Fully automation of testing procedure aimed to reduce human error and enhance accuracy of testing, that is dependent on the data transmission and processing capacity of transducer reached to 22 bits.

The CRS test is carried out to determine soil compressibility parameters such as compression index (C_c), recompression index (C_r), reconsolidation pressure (P_max), and the coefficient of consolidation (C_v90), pore water pressure.

The Direct Shear test equipment manufactured by Humboldt using Loadcell and MLTs to monitor the shear force and MLTs are used to monitor both vertical and horizontal deformation. The data are automatically recorded and stored by Datalogger.
The test purposed to evaluate soil shear strength in condition of undrain and drain according to ASTM 3080.
The test equipment can apply maximum normal stress up to 32 kG/cm², the dimensions of square shear box is appropriate for soil specimen of 2.5 inches in diameter and height of 1 inch.
Load cell with capacity of 1KN.
Strain gauge to measuring vertical and horizontal displacement with capacity of 0.6 inch.

LoadTrac II / FlowTrac II system (GeoComp-USA) are used to carry out the triaxial compression test. The system consists of flow pump system FlowTrac II and machine with multiple capability LoadTrac II. The system will be connected to the computer network by network card, thereby tesing process will be fully automatically controlled by Triaxial professional programme. It includes saturation stage, consolidation stage (Isotropic and K0 condition), and shearing with constant rate or any stress path. In report, the programme will automatically output the detail report for test.
Triaxial tests for cohesive soil with models such as: UU, CIU, CID, CKoU, Multistage.

Tools for chemical test are used to determine the sulphate, carbonate, chloride and pH contents in water/ soil samples to evaluate the natural corrosion influenced to reinforced concrete or steel structures.

Hydraulic compressive machine TYA-2000 (China) is used to measure uniaxial compression strength (q_u), deformation modulus (E_s50) of cylindrical rock specimen. The deformation is measured by load cell and displacement transducer which are recorded by datalogger and stored to computer.
ASTM D 2938 is used to applying for this test.

The point load test equipment is used to determine point load strength for rock specimen. In this test, the rock specimen will be placed between two conical platens of compressive machine, and then close the platens to increasing applied load until the specimen fails. The maximum value of load shall be recorded to compute the point load strength. The test conducted according to ASTM 5731.

Tools for laboratory compaction and CBR test consist of compaction mold and hammer are used to determine compaction characteristics and bearing resistance of soil. This test is performed in according to ASTM D1557 and ASTM D1883.

Pocket penetration tester is used to determine compressive strength of soil (up to 4.5Kg/cm²).

Pocket torvane tester is used to determine the maximum cutting force (up to 10Kg/cm²).

Constant head Permeameters is used to determine permeability coefficient of of granular soils. This test is performed in according to ASTM D2434.

The optical rebound hammer - Silver Schmidt OS8200 (Proceq) is used to evaluate the concrete strength and uniformity. The rebound hammer technology has long been the global benchmark for non-destructive compressive strength estimation. The “Silver Schmidt OS8200” is as accurate, reliable, and versatile as ever — and now, connected, thanks to its optical measurement technology paired with digital productivity features and user-friendly mobile apps.

The optical technology delivers compressive strength measurements with a higher range and far lower dispersion than any classical rebound hammer; and the versatile connectivity increases operator productivity and makes instantaneous reporting possible, from anywhere, anytime.

The 45MG is an advanced ultrasonic thickness gauge packed with standard measurement features and software options. This unique instrument is compatible with the complete range of Olympus dual element and single element thickness gauge transducers. It can be using for measurement of true metal and coating thicknesses of steel structures.

In it's basic configuration the 45MG is a simple and straightforward gauge that requires minimal operator training to tackle most common thickness gauging applications. With additional optional software options and transducers, the 45MG can become significantly more advanced and take on fully applications as measured needs change. Depending on the inspection material, the thickness range measured by the 45MG varies from 0.080 mm to 635 mm.

Ultrasonic equipment is used to check and evaluate the quality of constructions built under non-destructive testing methods. The server supersonic is a compact, easy-to-use and highly accurate handheld device.

The concrete ultrasound equipment used in combination with the rebound hammer will make the assessment more accurate as well as the deeper waves, thereby giving us more extensive and complete information, making the assessment more accurate. better results in terms of reinforcement position, crack depth, pitted and delaminated areas as well as substandard concrete areas.

The concrete ultrasonic equipment meets the purpose of evaluating the experimental technical criteria for the works, thereby limiting risks, increasing practical use efficiency, saving costs and always ensuring absolute safety for users. The ultrasonic testing test method is one of the most commonly applied and convenient experimental methods today.