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Home My WebLink AboutSETFCD Regional Sensor Network Brake LUDEPLOYMENT OF LOW COST SENSORS (LCS) IN SOUTHEAST TEXAS Department of Civil and Environmental Engineering Lamar University, Beaumont, TX Prepared and Presented by: Nicholas Brake, Ph.D.Mubarak Adesina Hossein Hariri Asli Project Overview •Objective: Deploy and manage 75 IoT flood sensors in SE Texas. •Sensor Manufacturer: Intellisense Systems, Inc. –Torrance, CA •Client: U.S Department of Homeland Security (DHS), Science and Technology Directorate (S&T) •Southeast Texas received 75 sensors •73 sensors have been installed and reporting 2 Project Stakeholders Lamar University Southeast Texas Flood Control District Government Agencies City of Beaumont Sabine River Authority Lower Neches Valley Authority Drainage District 6 Drainage District 7 Chambers County Hardin County Jasper County Emergency Management Jefferson County (Precincts 1 –4) Newton County Emergency Management Orange County Drainage District Texas Park and Wildlife Private ExxonMobil Refinery Enterprise Chemical Plant 3 Overview of Sensing System Image Reference: DHS S&T Sensors and Platforms Technology Center 4 Box Content •AWARE Flood Node with IoT Module and Cellular Antenna •Stainless Steel Universal Mounting Plate •Water Level Pressure (WLP) Module (50 ft. Length) •Stainless Steel Hose Clamps (2) •Torx Head Mounting Screws (2) •Waterproof Camera Flood Node with Cellular Antenna Mounting Plate with Torx Head Screws Water Level Pressure Sensor Camera 5 Stainless steel Hose Clamps AWARE Flood Node Features Image Reference: Intellisense Systems 6 Additional Items Required for Installation (Not in the Box) ➢1-⅝”Galvanized Fence Post ➢¾”x 24”Steel Stake ➢¾”Flexible Conduit /¾”Rigid conduit ➢Angle Brackets (1”x2”x4”) ➢Signage ➢Fence Post Pipe Clamp ➢Landscape Staples or J-hooks ➢Misc.Mounting Hardware WLP Sensor Mounting Plate (from Intellisense) Alternative Design using Angle Brackets Landscape StaplesJ-hooks Signage PVC Flexible Conduit Fence Post T-post 7 Sample Installation –Jasper County •¾” Flexible conduit with a Junction Box (housing the pressure sensor) •The junction box is covered with a strainer to prevent debris •Flexible conduit is placed in a shallow trench and J-hooked to the ground •Flood Node setup and Signage 8 Sample Installation –Port Neches •Flood sensor and Rain gauge installation •Place rain gauge closer to the ground for best result (wind effects at higher elevation) •The rain gauge has a 2” threaded plate underneath •Rain gauge is attached to the 2” threaded galvanized pipe inside a 3” post •Pressure sensor placed inside a Junction box attached to the end of the 1.5” Rigid conduit •Flood Node is mounted on the 3” post facing south 9 Sample Installation - LNVA •1.5” Galvanized pipe with Pressure Sensor inside the Junction Box •The pipe is anchored to the pedestrian bridge with U clamps and angle plate 10 Sample Installation Newton County •Installed at a decommissioned TxDOT Steel Bridge •Flood Node is about 80 ft away from location of Pressure sensor; elevation difference approx. 20 ft •1” Rigid Conduit is buried underground •Node is placed for maximum exposure to sunlight 11 Data Display -Intellisense 12 Sample Data Display –Orange County Before Rain After Multiple Rain events 13 Data Display -OneRain •Sensor data pushed onto Sabine River Authority (SRA)OneRain Server. •Sensor data is available to the public - https://setexasrain.onerain.com/ •USGS and Intellisense data is also currently transferred to TranStar Highway flood alert system. 14 Surveying •39 sites have been surveyed •To establish thresholds, key elevations need to be determined •Sensor elevation •Top of ditch •Bottom of ditch •Node elevation •Elevation of surrounding infrastructure e.g •Edge of pavement •Bottom of bridge deck •Trimble Geo7x Handheld Device •Trimble Zephyr 3 Rover 15 External Antenna Trimble Handheld device Sample Thresholds (Visual Description) •3 thresholds 16 Sensor (Bottom of ditch) Threshold 1 –Top of drain Threshold 2 –Top of ditch / edge of pavement Threshold 3 – Node Sensor (Bottom of ditch) Threshold 1 –Low Top of ditch Threshold 2 –High Top of ditch Threshold 3 –Bottom of bridge deck Node Remaining Tasks •Transfer/share sensor data onto OneRain and Transtar •Survey elevation data for remaining sites to establish flood elevation thresholds. •Establish flood alert thresholds on both the Intellisense and OneRain platform 17 18