{"id":10390,"date":"2026-11-04T12:16:45","date_gmt":"2026-11-04T09:16:45","guid":{"rendered":"https:\/\/terra-drone.com.sa\/?p=10390"},"modified":"2026-11-04T12:16:45","modified_gmt":"2026-11-04T09:16:45","slug":"handheld-lidar-scanning-before-mep-ceiling-close-up","status":"publish","type":"post","link":"https:\/\/terra-drone.com.sa\/ar\/handheld-lidar-scanning-before-mep-ceiling-close-up\/","title":{"rendered":"Handheld LiDAR Scanning Before MEP Ceiling Close-Up"},"content":{"rendered":"

Once a ceiling is closed, every duct, pipe and cable tray above it is hidden, and so is any clash or installation error. Fixing it then means cutting open finished work.<\/span><\/p>\n

The period after MEP first fix and before close-up is the last and cheapest chance to check what was actually installed.<\/span><\/p>\n

That check matters at Saudi Arabia’s scale. Saudi giga-projects awarded contracts worth about SAR 735 billion in the first eight months of 2025, according to Knight Frank’s <\/span>Saudi Arabia Giga Projects Report<\/span><\/i>, as<\/span> reported by Enterprise AM<\/span><\/a>.<\/span><\/p>\n

This article explains how a handheld LiDAR scanner fits into that check, walks through a three-step workflow, and shows how the same scan becomes the as-built record at handover.<\/span><\/p>\n

Why Now: Giga-Projects Are Building at Speed<\/b><\/h2>\n

Vision 2030 has turned Saudi Arabia into one of the busiest construction markets in the world. New cities, resorts, stadiums, hospitals and mixed-use districts are being built at the same time, often on tight schedules.<\/span><\/p>\n

The numbers show how much work is moving from plans to sites.<\/span> Knight Frank’s figures, as reported by Enterprise AM<\/span><\/a>, show that NEOM alone has awarded about SAR 90 billion in construction contracts. These are contract awards for the giga-projects, not total construction spending in the Kingdom, but they give a clear sense of scale.<\/span><\/p>\n

Fast delivery puts pressure on MEP work in particular. On a typical floor, mechanical, electrical, plumbing and fire protection trades all share the same ceiling void. They often work in parallel, sometimes from different drawing revisions. Late design changes reach some installers and not others. Each of these gaps can leave services in the wrong place.<\/span><\/p>\n

Most projects already run clash detection in the BIM model during design. That is useful, but it only checks the design against itself. It cannot show what the installers actually built on site. A duct that was coordinated perfectly in the model can still be installed 200 mm lower to get around an unplanned obstacle.<\/span><\/p>\n

That is why the installed work also needs checking, not just the model. On projects of this size, the check has to be fast, complete and repeatable across hundreds of floors.<\/span><\/p>\n

The Hold Point: After MEP First Fix, Before Close-Up<\/b><\/h2>\n

MEP first fix is the stage where the main services are installed and supported: ductwork, pipework, cable trays, conduits and sprinkler mains. Ceilings, drywall and access panels are not yet in place, so everything is still exposed.<\/span><\/p>\n

A hold point is a stage where work stops until an inspection is done and the area is released. Placing a hold point between first fix and close-up makes sense for three reasons:<\/span><\/p>\n