[{"data":1,"prerenderedAt":174},["ShallowReactive",2],{"service-\u002Fservices\u002Fdrone-aerial-survey":3},{"service":4,"projects":83},{"id":5,"title":6,"body":7,"description":24,"extension":25,"image":26,"includes":27,"includesTitle":46,"meta":47,"navigation":48,"offerTitle":49,"order":50,"path":51,"process":52,"processDescription":77,"processTitle":78,"seo":79,"stem":80,"summary":81,"__hash__":82},"services\u002Fservices\u002Fdrone-aerial-survey.md","Drone & Aerial Survey",{"type":8,"value":9,"toc":20},"minimark",[10,14,17],[11,12,13],"p",{},"Geogambi Surveys uses unmanned aerial systems to survey sites that are large,\nsteep, overgrown or otherwise slow and hazardous to cover on foot. A flight that\ntakes a morning can replace days of ground traverse, and returns far denser data\nthan a walked survey ever could.",[11,15,16],{},"Aerial capture is a survey method, not a photography exercise. Every flight is\ntied to ground control observed with GNSS, so the imagery, terrain model and\nvolumes we deliver sit correctly on the national grid and carry a stated,\nverifiable accuracy.",[11,18,19],{},"The output suits developers scoping a new site, contractors reconciling earthworks\nvolumes, and design teams who need a current base map rather than a dated one.\nWhere a project needs both breadth and legal certainty, we combine aerial capture\nwith ground survey — the drone covers the extent, the ground crew fixes the\nboundaries and critical detail.",{"title":21,"searchDepth":22,"depth":22,"links":23},"",2,[],"UAV photogrammetry and aerial mapping delivering orthomosaics, terrain models and volumetric data over large or difficult sites.","md","\u002Fimages\u002Faerial-relief.jpg",[28,31,34,37,40,43],{"title":29,"body":30},"Aerial Mapping & Orthomosaics","A single seamless, georeferenced and scaled aerial image of your whole site, ready to measure from or drop straight into CAD and GIS.",{"title":32,"body":33},"Photogrammetric Topographic Survey","Dense point clouds, terrain and surface models, and contours generated from overlapping aerial imagery for design and planning work.",{"title":35,"body":36},"Volumetric & Stockpile Surveys","Accurate cut-and-fill quantities, quarry and stockpile volumes computed from surface comparisons — ideal for reconciling earthworks and material claims.",{"title":38,"body":39},"Construction Progress Monitoring","Repeat flights on a fixed schedule build a dated visual and measurable record of how a site changes across the life of a project.",{"title":41,"body":42},"Corridor & Linear Asset Mapping","Efficient capture along roads, pipelines, transmission lines and river courses, where walking the full route on foot is slow or unsafe.",{"title":44,"body":45},"3D Models & Digital Twins","Textured 3D meshes and point-cloud models for visualisation, stakeholder presentation, and inspection of roofs, façades and structures that are hard to reach.","Our Drone & Aerial Survey Services Include",{},true,"What we offer",4,"\u002Fservices\u002Fdrone-aerial-survey",[53,57,61,65,69,73],{"phase":54,"title":55,"body":56},"Phase 1 – Planning","Site Assessment & Flight Planning","We review the site extent, terrain and required accuracy, then design the flight — altitude, overlap and ground sample distance are all set by what the deliverable has to support, whether that is a visual record or a survey-grade terrain model.",{"phase":58,"title":59,"body":60},"Phase 2 – Clearance","Airspace & Regulatory Approval","Before anything flies we confirm the airspace status of the site and obtain the permissions the operation requires. Proximity to aerodromes, restricted zones and populated areas all change what is permitted, and we resolve this ahead of mobilisation rather than on the day.",{"phase":62,"title":63,"body":64},"Phase 3 – Ground Control","Ground Control & Site Setup","We establish and observe ground control points across the site with GNSS, tying the aerial data into the national grid. Ground control is what turns imagery into a survey — without it, the model has shape but no dependable position or scale.",{"phase":66,"title":67,"body":68},"Phase 4 – Flight","Aerial Data Capture","The planned mission is flown, capturing overlapping imagery across the full extent. We check coverage, exposure and image quality on site so any gap is re-flown while the crew is still mobilised.",{"phase":70,"title":71,"body":72},"Phase 5 – Processing","Photogrammetric Processing","The imagery is processed into a dense point cloud, digital surface and terrain models, and a corrected orthomosaic. Control points are used to constrain the solution, and the residuals at those points give us a measured check on the accuracy achieved.",{"phase":74,"title":75,"body":76},"Phase 6 – Delivery","Deliverables & Accuracy Report","You receive the outputs in the formats your team actually works in — CAD, GIS, point cloud or PDF plan — together with a short report stating the datum, projection and accuracy achieved, so the data can be relied on downstream.","Aerial work answers to the airspace regulator as well as to the survey brief. We plan the flight, secure the clearances and tie the imagery to ground control so the output is a measurable survey product, not just a photograph.","How an Aerial Survey Runs",{"title":6,"description":24},"services\u002Fdrone-aerial-survey","Geogambi Surveys captures whole sites from the air. Our UAV flights produce georeferenced orthomosaics, 3D terrain models and volume computations — covering in hours the ground that would take a field crew days to walk.","j2NXG2M5-RZRD0icCKB3d6X--WpYGSWJVV8x1BrSXJ4",[84,121,147],{"id":85,"title":86,"body":87,"client":108,"coordinates":109,"cover":110,"description":111,"extension":25,"featured":112,"location":113,"meta":114,"navigation":48,"path":115,"seo":116,"service":117,"stem":118,"summary":111,"year":119,"__hash__":120},"projects\u002Fportfolio\u002Fkajiado-beaconing.md","Kajiado Boundary Beaconing",{"type":8,"value":88,"toc":104},[89,94,97,101],[90,91,93],"h2",{"id":92},"scope","Scope",[11,95,96],{},"TODO: replace with the real project write-up.",[90,98,100],{"id":99},"outcome","Outcome",[11,102,103],{},"TODO: what was delivered and in what format.",{"title":21,"searchDepth":22,"depth":22,"links":105},[106,107],{"id":92,"depth":22,"text":93},{"id":99,"depth":22,"text":100},"TODO",null,"\u002Fimages\u002Ftotal-station-road.jpg","Re-establishment and beaconing of lost corners across a 40-acre holding.",false,"Kajiado County",{},"\u002Fportfolio\u002Fkajiado-beaconing",{"title":86,"description":111},"Cadastral Survey","portfolio\u002Fkajiado-beaconing",2025,"H8l9SBRMsDq6kDMg59Q_0Vm_AphDUD4PowGmtnBpCMA",{"id":122,"title":123,"body":124,"client":108,"coordinates":109,"cover":138,"description":139,"extension":25,"featured":112,"location":140,"meta":141,"navigation":48,"path":142,"seo":143,"service":144,"stem":145,"summary":139,"year":119,"__hash__":146},"projects\u002Fportfolio\u002Fthika-road-setting-out.md","Thika Road Setting Out",{"type":8,"value":125,"toc":134},[126,128,130,132],[90,127,93],{"id":92},[11,129,96],{},[90,131,100],{"id":99},[11,133,103],{},{"title":21,"searchDepth":22,"depth":22,"links":135},[136,137],{"id":92,"depth":22,"text":93},{"id":99,"depth":22,"text":100},"\u002Fimages\u002Fgnss-crane.jpg","Control and setting out for a commercial development along the highway corridor.","Kiambu County",{},"\u002Fportfolio\u002Fthika-road-setting-out",{"title":123,"description":139},"Engineering Survey","portfolio\u002Fthika-road-setting-out","d9JfEszrn-mrr-KyuneNFoBSh87XwhPMQZj67g8OQWk",{"id":148,"title":149,"body":150,"client":108,"coordinates":109,"cover":164,"description":165,"extension":25,"featured":112,"location":166,"meta":167,"navigation":48,"path":168,"seo":169,"service":170,"stem":171,"summary":165,"year":172,"__hash__":173},"projects\u002Fportfolio\u002Fmachakos-instrument-service.md","Machakos Instrument Servicing",{"type":8,"value":151,"toc":160},[152,154,156,158],[90,153,93],{"id":92},[11,155,96],{},[90,157,100],{"id":99},[11,159,103],{},{"title":21,"searchDepth":22,"depth":22,"links":161},[162,163],{"id":92,"depth":22,"text":93},{"id":99,"depth":22,"text":100},"\u002Fimages\u002Fcta-instrument.jpg","Calibration and servicing of a county survey department total station fleet.","Machakos",{},"\u002Fportfolio\u002Fmachakos-instrument-service",{"title":149,"description":165},"Selling and Servicing Survey Machines","portfolio\u002Fmachakos-instrument-service",2024,"F7dPoZrLfx0BA86kfiSML3cQA9xHgAx163fg-M0KEDw",1788785832343]