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Underwater Acoustics International

News

Underwater Structural Inspections

Scour & Undermining inspections
Concrete Spalling & Crack Detection
ROV HD Video Inspections
ROV DYE Release leak detection
(UT) Ultrasonic-thickness measurements

Scour & Undermining inspections

STRUCTURE: HYDRO DAM - DOWNSTREAM TOE

SONAR: HIGH-RES 360° SCANNING

Scour & Undermining inspections

STRUCTURE: HYDRO DAM - DOWNSTREAM CONCRETE APRON / TAILRACE

SONAR : 3D MULTIBEAM ECHOSOUNDER (MBES)

Scour & Undermining inspections

STRUCTURE: HYDRO DAM - UPSTREAM INTAKE AREA (River Bottom)

SONAR : SIDE SCAN & 3D MULTIBEAM ECHOSOUNDER (MBES) - (Combined Data)

Concrete Spalling & Crack Detection

STRUCTURE: HYDRO DAM - DOWNSTREAM TOE & WALL

SONAR : HIGH-RES 360° SCANNING

Concrete Spalling & Crack Detection

STRUCTURE: HYDROELECTRIC DAM - DOWNSTREAM TOE & WALL

SONAR : HIGH-RES 360° SCANNING

Concrete Spalling & Crack Detection

STRUCTURE: HYDROELECTRIC DAM - AFTERBAY

SONAR : HIGH-RES 360° SCANNING

ROV HD Video Inspections

STRUCTURE: HYDRO DAM - DOWNSTREAM TOE & WALL

SONAR/SENSOR: (FLS) FORWARD LOOKING, 360° SCANNING & HIGH-RES ROV VIDEO

ROV HD Video Inspections

STRUCTURE: HYDRO DAM - TRASH RACKS

SENSOR: HIGH-RES ROV VIDEO

ROV HD Video Inspections

STRUCTURE: HYDRO DAM - FISH PASSAGE TROUGH

SENSOR: HIGH-RES ROV VIDEO

ROV DYE Release leak detection

STRUCTURE: HYDRO DAM - TOE

TOOLING/SENSOR: LEAK DETECTION DYE-RELEASE PUMP & HIGH-RES ROV VIDEO

ROV DYE Release leak detection

STRUCTURE: HYDRO DAM - TOE

TOOLING/SENSOR: LEAK DETECTION DYE-RELEASE PUMP & HIGH-RES ROV VIDEO

(UT) Ultrasonic-thickness measurements

STRUCTURE: HYDRO DAM - SURGE TOWER (Steel)

TOOLING/SENSOR: (UT) ULTRA-SONIC THICKNESS GAUGE & HIGH-RES ROV VIDEO

(UT) Ultrasonic-thickness measurements

SEAMOR CHINOOK (ROV) - REMOTELY OPERATED VEHICLE

TOOLING/SENSOR: (UT) ULTRA-SONIC THICKNESS GAUGE & BRUSH SCRUBBER

Hydrographic Services

Penstocks & Tunnels

Flooded Inspection Services
Dewatered Inspection Services

Flooded Inspection Services

STRUCTURE: UAI TEST TUNNEL (FLOODED) - 5ft Diameter

SONAR: 3D MULTIBEAM (MBES) TUNNEL PROFILER

Flooded Inspection Services

STRUCTURE: Partially Flooded Box Culverts

SONAR: LiDAR & 3D (MBES) Tunnel Profiling Sonar

Flooded Inspection Services

STRUCTURE: HYDROELECTRIC TUNNEL (FLOODED) - (Rock, Steel & Concrete)- 28ft - 40ft Diameter

SONAR: 3D MULTIBEAM (MBES) TUNNEL PROFILER

Dewatered Inspection Services

STRUCTURE: HYDROELECTRIC TUNNEL (DEWATERED) - (Steel) 28ft Diameter

SENSOR: SLAMM BASED LiDAR MOBILE 3D MAPPING UNIT

Dewatered Inspection Services

STRUCTURE: HYDROELECTRIC TUNNEL (DEWATERED) - (Steel) 28ft Diameter

SENSOR: SLAMM BASED LiDAR MOBILE 3D MAPPING UNIT

Dewatered Inspection Services

STRUCTURE: HYDROELECTRIC TUNNEL (DEWATERED) - (Concrete) 40ft Diameter

SENSOR: SLAMM BASED LiDAR MOBILE 3D MAPPING UNIT

Intake Gates & Trash Racks

3D Laser Scanning & Lidar

3D Laser/LiDAR Services
Data Analysis

3D Laser/LiDAR Services

STRUCTURE: HYDRO DAM

SONAR: SLAMM BASED LiDAR MOBILE 3D MAPPING UNIT

3D Laser/LiDAR Services

STRUCTURE: HYDRO DAM

SONAR/SENSOR: 3D MULTIBEAM ECHOSOUNDER (MBES) & 3D LASER SCANNING UNIT

3D Laser/LiDAR Services

STRUCTURE: HYDRO DAM

SENSOR: 3D LASER SCANNING UNIT

Data Analysis

STRUCTURE: Partially Flooded Box Culverts

SENSOR: LiDAR & 3D (MBES) Tunnel Profiling Sonar

Data Analysis

STRUCTURE: Partially Flooded Box Culverts

SENSOR: LiDAR & 3D (MBES) Tunnel Profiling Sonar

Data Analysis

STRUCTURE: HYDRO DAM - DOWNSTREAM FACE

SENSOR: 3D LASER SCANNING UNIT

before
after

why uai

  • Leading-edge inspections using advanced remote sensing solutions in 2D and 3D.

  • Data collection above and below water to track and manage change over time.

  • Leveraging technology to minimize downtime and costs.

  • Comprehensive 360-degree view of the Dam Infrastructure, below and above water.

  • Safety first by placing technology at risk, not people.

  • Specializing in FERC Part 12D Inspections

Services

Underwater Structural Inspections

Hydrographic Services

Penstocks & Tunnels

Intake Gates & Trash Racks

3D Laser Scanning & Lidar

Measuring change

Technology

rov

usv

crawler

UAV

3d Laser scanner

sonars

rov

SEAMOR CHINOOK ROV

  • Depth Rating 300m (1000’)

  • Tether Length 600m (2000’)+

SENSORS :

  • HD Video

  • Forward Looking Sonar

  • 360 Scanning Sonar

  • 3D Tunnel Profiling Multibeam Sonar

  • Underwater GPS Tracking

  • Ultrasonic Thickness Gauge

rov

SAAB FALCON ROV

  • Depth Rating 300m (1000’)

  • Tether Length 3000m (10,000’)

SENSORS :

  • HD Video

  • Forward Looking Sonar

  • 3D Tunnel Profiling Multibeam Sonar

  • Underwater GPS Tracking

  • Ultrasonic Thickness Gauge

  • Five function manipulating arm

rov

BLUE ROV2

  • Depth Rating 100m (330’)

  • Tether Length 100m (330’)

SENSORS :

  • HD Video 1080p

  • High Accuracy Depth Sensor

rov

SEABOTIX vLBV300 ROV

  • Depth Rating 100m (330’)

  • Tether Length 275m (900’)

SENSORS

  • HD VIDEO

  • FORWARD LOOKING SONAR

  • 360 SCANNING SONAR

  • ARIS EXPLORER 3000 ACOUSTIC CAMERA

  • UNDERWATER GPS TRACKING

  • ULTRASONIC THICKNESS GAUGE

  • THREE JAW GRABBER

usv

UAI – MINI-HYDRO USV

  • Custom Built Platform

  • Waypoint Mission Planning

  • WiFi Communication

SENSORS :

  • 4K HD Video

  • LiDAR Mobile Unit (SLAM Based 3D Mapping)

  • Side Scan Sonar

  • Multibeam Echo Sounder (MBES)

  • AutoNav Control System

  • Global Navigation Satellite System (GNSS)

usv

SEAFLOOR HYDRONE USV

  • Top Speed 6kn

  • Remote Range Up to 1Km

SENSORS :

  • AutoNav Control System

  • SonarMite MILSpec Echosounder

  • Dual Frequency Echosounder 200/30 KHz

crawler

AMPHIBIOUS TUNNEL CRAWLER

  • Max Operating Depth 300msw

  • Dimensions (LxWxH) 2.6m x 2m x 0.8m

  • Weight in Air 680 kg

  • Battery Life 8-12 Hours

  • Tether Length 4570m (15000’)+

  • Propulsion Electro/Hydraulic

SENSORS :

  • Above Water:

  • 4K HD Video (Multiple Cameras)

  • LiDAR Mobile Unit (SLAM Based 3D Mapping)

  • Below Water:

  • Forward Looking Sonar

  • 3D Tunnel Profiling Multibeam Sonar

  • Underwater GPS Tracking

crawler

INUNKTUN V150 CRAWLER

  • Max Operating Depth 60m (200’)

  • Dimensions (LxWxH) 41.7in x 13.4in x 18.2in

  • Weight in Air 45 kg (100lb)

  • Tether Length 1000m (3300’)+

  • Propulsion Electro

SENSORS :

  • Above Water:

  • 4K HD Video

  • LiDAR Mobile Unit (SLAM Based 3D Mapping)

crawler

    crawler

      UAV

      MATRIX 600 PRO

      • Max Operating Altitude 4000m (12,000’)

      • Dimensions (LxWxH) 1.6m x 1.5m x 0.7m

      • Weight 10 kg

      • Max. Flight Endurance 32 min

      • Max horizontal Speed 65 km/h

      SENSORS :

      • LiDAR Mobile Unit (SLAM Based Mapping)

      • Gimbaled HD Camera (Photogrammetry)

      UAV

      RIEGL RICOPTER

      • Max Operating Altitude 4000m (12,000’)

      • Dimensions (LxWxH) 1.9m x 1.8m x .47m

      • Weight 8 kg

      • Max. Flight Endurance 30 min

      • Cruise Speed 20-30 km/h

      • Max horizontal Speed 60 km/h

      SENSORS :

      • RIEGL VUX-1UAV LIDAR

      • Position Accuracy (typ) 0.05m – 0.3m

      UAV

        UAV

          3d Laser scanner

          LEICA ScanStation P50

          • Range accuracy

          • 1.2 mm + 10ppm over full range (120 m / 270 m mode)

          • 3 mm + 10ppm over full range (570 m / >1 km mode)

          • Angular accuracy

          • 8” horizontal; 8” vertical

          • 3D Position Accuracy

          • 4.4 mm @ 50 m (> 1 km mode)

          • 6.8 mm @ 100 m (> 1 km mode)

          3d Laser scanner

          FARO Focus Series S150

          • Range accuracy ±1mm

          • Angular accuracy

          • 19 arcsec for vertical / horizontal angles

          • 3D Position Accuracy

          • 10m: 2mm / 25m: 3.5mm

          • Field-of-View

          • Horizontal-300° Vertical-360°

          • Color Unit

          • Resolution 165 Megapixel Color

          3d Laser scanner

            3d Laser scanner

              sonars

              Sonar Model

              • High-resolution scanning sonar

              • Multibeam tunnel profiling sonar

              • Side Scan Sonar

              • Multibeam Echosounder Sonar (MBES)

              • 3D Mechanical Scanning MBES Sonar

              • ARIS EXPLORER 3000 ACOUSTIC CAMERA

              Projects

              • HYDROELECTRIC DAM SONAR & LiDAR STUDY

                Underwater Acoustics International executed an above and below water Sonar & LiDAR imaging study of the hydroelectric dam facility utilizing multibeam sonar, side scan sonar and high-resolution scanning sonar. The purpose of this project was to provide a comprehensive underwater 2D and 3D sonar imaging study of the submerged areas of the dam as well as the upstream and downstream areas of the river. The intent of the study was to create a digital baseline of the facility to be use for change over time comparison against subsequent underwater surveys.

              • HYDROELECTRIC DAM SONAR & LiDAR STUDY

                Underwater Acoustics International executed an above and below water Sonar & LiDAR imaging study of the hydroelectric dam facility utilizing multibeam sonar, side scan sonar and high-resolution scanning sonar. The purpose of this project was to provide a comprehensive underwater 2D and 3D sonar imaging study of the submerged areas of the dam as well as the upstream and downstream areas of the river. The intent of the study was to create a digital baseline of the facility to be use for change over time comparison against subsequent underwater surveys.

              • SONAR SURVEY FOR CANAL LINING CONDITION ASSESSMENT

                The primary objective of the canal lining investigation was to conduct a hydrographic and geophysical survey to evaluate the condition of the canal concrete lining. The UAI team successfully deployed an Unmanned Surface Vessel (USV) with multi-beam sonar and high-definition side scan sonar, proving that sonar is an effective predictive maintenance technology to evaluate the condition of the canal's concrete lining which is inaccessible due to being primarily beneath the water surface.

              MapAnalyst 3D

              • State-of-the Art Data Visualization

              • MapAnalyst3D Features

                • Secure and Easy to Use Interface using any Browser

                • State-of-the-Art 2D and 3D Project Data Visualization

                • Integrated Document Management System for all Project Data

                • Printing to Scale, A to E Size

                • Shareable Annotation and Markup Tool

                • Robust toolkit for 2D and 3D measurement and cross-sectioning

                • Easily add additional GIS Layers

              • Interactive 3D Viewer

                Please visit our website on desktop computer to experience the Interactive 3D Viewer

                • Left Click: Pan & Zoom
                • Right Click: Rotate
                • Scroll: Zoom in & Out

              Contact us

              • ALAN DAY

                PRESIDENT

              • RYAN WALLACE

                DIRECTOR OF BUSINESS DEVELOPMENT

              • RICK ZAUNBRECHER

                DIRECTOR OF FIELD SERVICES

              • JAMES FENSTERMAKER

                DATA PROCESSING MANAGER

              • Mike Holloway

                UNDERWATER SERVICES MANAGER

              © 2021 Underwater Acoustics International L.L.C.

              135 Regency Square • Lafayette, Louisiana 70508

              (337) 237-2200