{"id":8207,"date":"2026-08-03T17:01:39","date_gmt":"2026-08-03T14:01:39","guid":{"rendered":"https:\/\/terra-drone.com.sa\/?p=8207"},"modified":"2026-08-05T17:01:50","modified_gmt":"2026-08-05T14:01:50","slug":"aerial-volumetric-surveying-for-canal-excavation-and-earthworks-tracking","status":"publish","type":"post","link":"https:\/\/terra-drone.com.sa\/ar\/aerial-volumetric-surveying-for-canal-excavation-and-earthworks-tracking\/","title":{"rendered":"Aerial Volumetric Surveying for Canal Excavation and Earthworks Tracking"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">ROSHN Group&#8217;s landmark MARAFY development encompasses over<\/span><a href=\"https:\/\/www.roshn.sa\/marafy\"> <span style=\"font-weight: 400;\">9.4 million square meters<\/span><\/a><span style=\"font-weight: 400;\"> of integrated waterfront districts in northern Jeddah.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The central centerpiece of this master plan is Saudi Arabia&#8217;s first navigable urban water channel, extending 11 kilometers in length and over 100 meters in width to connect Obhur Creek inland.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Executing a civil project of this magnitude requires extensive earthmoving operations. Ground engineering crews have completed 80% of Phase 1 excavation along the initial 2.5-kilometer canal section, displacing approximately<\/span><a href=\"https:\/\/www.bncnetwork.net\/news\/Marafy-Canal-Works-Progress-Within-Roshns-Jeddah-Development\/MzU3MDA=\/\"> <span style=\"font-weight: 400;\">2.45 million cubic meters<\/span><\/a><span style=\"font-weight: 400;\"> of soil and rock along the coastal corridor.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">To manage this civil phase, ROSHN awarded a<\/span><a href=\"https:\/\/www.mepmiddleeast.com\/projects\/project-news\/roshn-breaksground-project-marafy-jeddah\"> <span style=\"font-weight: 400;\">SAR 690 million contract<\/span><\/a><span style=\"font-weight: 400;\"> to PC Marine Services to handle primary canal trenching, marine structures, and bridge installations.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Mass Earthworks Workflow<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Initial Excavation: 2.45 Million m\u00b3 Soil &amp; Rock<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aerial Data Capture: Matrice 350 RTK + Zenmuse L2 \/ P1<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">3D Processing: Digital Elevation Models (DEMs) &amp; Point Clouds<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Volumetric Auditing: Cut\/Fill Calculations vs. CAD Design Models<\/span><\/li>\n<\/ol>\n<h2><b>Earthwork Tracking Challenges in Mega-Civil Engineering<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Managing earthwork volumes across multi-kilometer linear corridors introduces complex logistical and financial challenges for project managers:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>High Material Volumes:<\/b><span style=\"font-weight: 400;\"> Tracking millions of cubic meters of soil cut, backfill placement, and temporary stockpiles requires rapid data collection to keep site work on schedule.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Limitations of Manual Ground Surveys:<\/b><span style=\"font-weight: 400;\"> Traditional surveying using total stations or handheld GNSS rovers is slow, labor-intensive, and presents safety risks for survey crews walking near active excavation pits and heavy equipment.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Financial and Billing Disputes:<\/b><span style=\"font-weight: 400;\"> Inaccurate soil volume estimations lead to contractor billing disputes, unverified earthmoving claims, and project delays across adjacent developments\u2014such as the adjoining<\/span><a href=\"https:\/\/www.spa.gov.sa\/en\/N2388775\"> <span style=\"font-weight: 400;\">4 million square meter ALAROUS community<\/span><\/a><span style=\"font-weight: 400;\">, where ROSHN has finalized land sub-development agreements valued at<\/span><a href=\"https:\/\/www.roshn.sa\/news-and-events\/press-releases\/article-92\"> <span style=\"font-weight: 400;\">SAR 115.9 million<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Drone Photogrammetry and LiDAR\u00a0<\/b><\/h2>\n<figure id=\"attachment_8209\" aria-describedby=\"caption-attachment-8209\" style=\"width: 1167px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-8209\" src=\"https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1.webp\" alt=\"3D digital elevation model and cut-and-fill volumetric earthworks calculation display of soil stockpiles.\" width=\"1167\" height=\"778\" srcset=\"https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1.webp 1167w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1-300x200.webp 300w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1-1024x683.webp 1024w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1-768x512.webp 768w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-1_11zon-1-18x12.webp 18w\" sizes=\"(max-width: 1167px) 100vw, 1167px\" \/><figcaption id=\"caption-attachment-8209\" class=\"wp-caption-text\">Photogrammetry and LiDAR software generate georeferenced 3D point clouds to automatically calculate net cut-and-fill volumes against baseline CAD design models.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Implementing drone survey systems provides a fast, non-contact method for measuring site topography and calculating exact soil volumes across active construction zones.<\/span><\/p>\n<h3><b>Generating High-Density 3D Terrain Models<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">By flying pre-programmed grid patterns over canal excavation zones, survey drones capture high-resolution aerial imagery and laser return points. Photogrammetry and LiDAR processing software convert these raw inputs into high-density 3D point clouds, Digital Elevation Models (DEMs), and Digital Surface Models (DSMs). These digital terrain models represent exact ground conditions at the time of flight.<\/span><\/p>\n<h3><b>Automated Cut and Fill Volume Calculations<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Volumetric software compares current 3D terrain surfaces against baseline pre-construction models or original CAD design profiles. By overlaying the two digital surfaces, the software automatically calculates net cut and fill volumes across specific project sectors. This automated comparison allows site engineers to verify how much earth has been removed against design specifications within hours rather than weeks.<\/span><\/p>\n<h3><b>Non-Contact Stockpile Volume Measurement<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Soil and rock stockpiles excavated from the canal trench often feature irregular shapes that make manual rod measurements imprecise. Aerial LiDAR and photogrammetry map the entire surface of every stockpile, capturing micro-contours without requiring surveyors to climb hazardous piles. The software establishes a base plane beneath the pile and calculates absolute volume metrics ($\\text{m}^3$) with high spatial precision.<\/span><\/p>\n<h3><b>Seamless BIM and GIS Integration<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Georeferenced volumetric datasets export directly into standard CAD, GIS, and Building Information Modeling (BIM) platforms. This digital workflow provides project owners, main contractors, and sub-contractors with transparent, auditable records of daily earthmoving progress, streamlining monthly progress billing and material tracking.<\/span><\/p>\n<h2><b>Drone Technical Execution<\/b><\/h2>\n<figure id=\"attachment_8210\" aria-describedby=\"caption-attachment-8210\" style=\"width: 1167px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-8210\" src=\"https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1.webp\" alt=\"DJI Zenmuse L2 LiDAR payload mounted on DJI Matrice 350 RTK performing topographic laser scan.\" width=\"1167\" height=\"778\" srcset=\"https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1.webp 1167w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1-300x200.webp 300w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1-1024x683.webp 1024w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1-768x512.webp 768w, https:\/\/terra-drone.com.sa\/wp-content\/uploads\/2026\/08\/Image-2_11zon-1-18x12.webp 18w\" sizes=\"(max-width: 1167px) 100vw, 1167px\" \/><figcaption id=\"caption-attachment-8210\" class=\"wp-caption-text\">Capturing up to 240,000 points per second, the Zenmuse L2 LiDAR sensor penetrates dusty construction environments to generate dense 3D terrain models.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">High-precision volumetric tracking requires an industrial flight platform paired with specialized geospatial payloads capable of operating in dusty desert environments.<\/span><\/p>\n<h3><b>Aircraft Performance and Reliability<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The DJI Matrice 350 RTK serves as the primary survey flight platform. Built with an IP55 ingress protection rating, the aircraft operates reliably in high temperatures, wind, and airborne coastal dust along the Red Sea.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The platform offers up to 55 minutes of flight time and features a dual-battery system with hot-swapping capabilities, allowing continuous survey coverage over extended linear corridors.<\/span><\/p>\n<h3><b>Laser Scanning via the Zenmuse L2<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The DJI Zenmuse L2 integrates a high-accuracy frame LiDAR module, a custom-developed IMU system, and a 4\/3 CMOS RGB mapping camera.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Operating at up to 240,000 points per second with a detection range up to 250 meters, the L2 captures fine ground topography even through dust or sparse vegetation along unexcavated canal boundaries.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The integrated IMU requires no warm-up time, ensuring stable elevation data collection immediately upon takeoff.<\/span><\/p>\n<h3><b>Photogrammetric Mapping with Zenmuse P1<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">For high-resolution orthomosaic mapping and visual documentation, the DJI Zenmuse P1 integrates a 45-megapixel full-frame sensor with interchangeable fixed-focus lenses on a 3-axis stabilized gimbal.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The P1 utilizes a mechanical shutter to eliminate rolling shutter distortion, capturing millimeter-level Ground Sample Distance (GSD) imagery for precise 3D surface mesh generation.<\/span><\/p>\n<h3><b>Centimeter-Level RTK Positioning<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">The Matrice 350 RTK utilizes dual-antenna Real-Time Kinematic positioning receivers. By receiving real-time differential corrections, the aircraft embeds centimeter-level coordinate data 1 cm + 1 ppm horizontal, 1.5 cm + 1 ppm vertical directly into image geotags and LiDAR point cloud files.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This spatial accuracy minimizes the need for extensive Ground Control Point (GCP) networks along the 11-kilometer canal route.<\/span><\/p>\n<h2><b>Integrated Site Oversight and Interlinking<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A comprehensive drone survey strategy combines volumetric earthwork tracking with structural health monitoring to provide complete civil asset intelligence.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">While LiDAR and photogrammetry verify excavation depths and earthmoving volumes, aerial thermal imaging ensures that exposed structures remain stable.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For an in-depth analysis of how aerial remote sensing protects completed canal structures, read it here.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">That analysis details how radiometric thermal payloads detect subterranean water seepage behind precast quay walls and monitor deep dewatering systems along active excavation modules.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Integrating 3D volumetric tracking with thermal leak detection enables civil engineering teams to verify contractor earthmoving progress while protecting structural stability.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Utilizing automated drone survey workflows safeguards project budgets, reduces field survey risks, and maintains construction schedules on world-class infrastructure developments.<\/span><\/p>\n<h3><b>Consult with Our Experts<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Are you looking to optimize your site excavation tracking, stockpile volume calculations, and contractor progress audits? <\/span><a href=\"https:\/\/terra-drone.com.sa\/ar\/%d8%ae%d8%af%d9%85%d8%a7%d8%aa-%d8%a7%d9%84%d8%b7%d8%a7%d8%a6%d8%b1%d8%a7%d8%aa-%d8%a8%d8%af%d9%88%d9%86-%d8%b7%d9%8a%d8%a7%d8%b1\/\"><span style=\"font-weight: 400;\">Talk to our geospatial expert<\/span><\/a><span style=\"font-weight: 400;\"> to implement aerial surveying solutions for your civil infrastructure projects.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>ROSHN Group&#8217;s landmark MARAFY development encompasses over 9.4 million square meters of integrated waterfront districts in northern Jeddah.\u00a0 The central centerpiece of this master plan is Saudi Arabia&#8217;s first navigable urban water channel, extending 11 kilometers in length and over 100 meters in width to connect Obhur Creek inland. Executing a civil project of this [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":8208,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[151,8,115,149,154,150,152,156],"tags":[19,55,116,84,12,18],"class_list":["post-8207","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application","category-article","category-construction-infrastructure","category-content-type","category-geospatial-solution","category-industry-vertical","category-solution-type","category-survey-mapping","tag-digital-transformation","tag-drone-applications","tag-drone-for-construction-progress-monitoring","tag-drone-services","tag-drone-technology","tag-drones"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aerial Volumetric Surveying for Canal 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