Painpoints
Traditional methods of roof inspection expose personnel to significant risks.
Manual assessments and documentation are required, making the process inefficient and prone to inaccuracies.
Some roof defects are not easily detectable through visual inspection alone.
Advantages
Enhance safety by eliminating the need for personnel to climb or be exposed to hazardous environments.
Drone data can be easily verified, stored, and monitored over time for consistency and accuracy.
Aerial thermal imagery offers additional insights into the condition of the roof, revealing issues not visible to the naked eye.
Drone Platform
DJI Matrice 4E
Weight: 1219 g (with propellers)
Max Flight Time (without wind): 49 minutes
Environment Adaptability: Max takeoff altitude 6000 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Mechanical Shutter Speed: 2–1/2000 s, minimum photo interval 0.5 s
Wide-Angle Camera: 4/3-inch CMOS, 20MP effective pixels
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Laser Rangefinding: 1800 m measurement range (1 Hz) @20% reflectivity target
Payload and Software
DJI Pilot 2
Ground control.
DJI Terra
Modeling and flight mission plan
Workflow
1 Data Collection:
– Perform a quick test flight to verify building height, then plan a 2D map mission about 50-100 (15-30 Meters) feet above the rooftop.
2 Data Processing:
– Import to DJI Terra to process a high quality 2D map of the roof and 3D model of the building.
3 Data Analysis:
– Highlight problem areas in Terra or third-party processing software, then export issues flagged to an internal ERP software for maintenance team to fix.
Drone Platform
DJI Matrice 4T
Weight: 1219 g (with propellers)
Max Flight Time (without wind): 49 minutes
Environment Adaptability: Max takeoff altitude 6000 m, max wind speed resistance 12 m/s
Sensing System: Omnidirectional binocular vision system, supplemented with a 3D infrared sensor at the bottom of the aircraft
Wide-Angle Camera: 1/1.3-inch CMOS, 48MP effective pixels (Matrice 4T)
Medium Tele Camera: 1/1.3-inch CMOS, 48MP effective pixels
Telephoto Camera: 1/1.5-inch CMOS, 48MP effective pixels
Infrared Thermal Camera: 1280 × 1024@30fps (Super Resolution enabled, Night Mode not activated)
Laser Rangefinding: 1800 m measurement range (1 Hz) @ 20% reflectivity target
Payload and Software
DJI Pilot 2
Ground control.
DJI Thermal Analysis Tool 3
By identifying the temperature information of critical areas of the target, the software can be used to analyze objects across many industrial applications.
Workflow
1 Data Collection:
– Perform a quick test flight to verify building height, then plan a 2D map mission about 50-75 (15 – 25 meters) feet above the rooftop.
2 Data Processing:
– Import the visual imagery to DJI Terra to process a high quality 2D map of the roof and 3D model of the building.
3 Data Analysis:
– Highlight problem areas in Terra or third-party processing software from the visual data. Also analyze individual thermal imagery in DJI Thermal Analysis Tools. Then export issues flagged to an internal ERP software for maintenance team to fix.
Contact Us
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