{"id":4395,"date":"2026-10-19T06:53:18","date_gmt":"2026-10-19T06:53:18","guid":{"rendered":"https:\/\/www.elogictech.com\/blog\/?p=4395"},"modified":"2026-10-22T13:32:09","modified_gmt":"2026-10-22T13:32:09","slug":"level-of-accuracy-loa-in-scan-to-bim-the-specification-that-decides-whether-your-as-built-model-holds-up-on-site","status":"publish","type":"post","link":"https:\/\/www.elogictech.com\/blog\/level-of-accuracy-loa-in-scan-to-bim-the-specification-that-decides-whether-your-as-built-model-holds-up-on-site\/","title":{"rendered":"Level of Accuracy (LOA) in Scan-to-BIM: The Specification That Decides Whether Your As-Built Model Holds Up on Site"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4395\" class=\"elementor elementor-4395\">\n\t\t\t\t<div class=\"elementor-element elementor-element-855e0e3 e-flex e-con-boxed e-con e-parent\" data-id=\"855e0e3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-631519b sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"631519b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a768967 e-flex e-con-boxed e-con e-parent\" data-id=\"a768967\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e005c9 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"6e005c9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A <a href=\"https:\/\/www.elogictech.com\/services\/bim-services\">Scan-to-BIM<\/a> scope usually arrives with a line that says something like &#8220;model to LOD 300&#8221; or &#8220;LOD 350 as-built.&#8221; It rarely says how close that model has to be to the building that was scanned.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aca1ac3 e-flex e-con-boxed e-con e-parent\" data-id=\"aca1ac3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b99b63 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"4b99b63\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>That gap is where renovation problems start. A model can be rich in detail, correctly classified, and cleanly built, and still sit several centimeters away from the real structure. The ductwork looks right. The new riser still doesn&#8217;t fit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0289383 e-flex e-con-boxed e-con e-parent\" data-id=\"0289383\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-70b2217 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"70b2217\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>LOD and LOA answer two different questions. LOD asks how much detail and information the model elements carry. LOA asks how closely those elements match measured reality. Specifying one and skipping the other is one of the most common and least visible risks in existing-conditions work.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d44aeba e-flex e-con-boxed e-con e-parent\" data-id=\"d44aeba\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe5de98 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"fe5de98\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Executive Summary \/ Key Takeaways <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e193fc2 e-flex e-con-boxed e-con e-parent\" data-id=\"e193fc2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d61b8bd sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"d61b8bd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>LOA is the USIBD framework for defining existing-conditions accuracy: five levels, LOA10 to LOA50, each stated at a 95 percent confidence level.<\/li><li>LOA and LOD are separate specifications. A model can be high on LOD and still be wrong on the site.<\/li><li>LOA separates measured accuracy (the captured data) from represented accuracy (the model). A model cannot be more accurate than the data beneath it. <\/li><li>LOA applies to elements, not whole projects. Tier it: tight where the design collides with existing conditions, relaxed where the model is for reference. <\/li><li>Most accuracy disputes come from two gaps: no defined level, and no agreed way to verify it. <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b25b876 e-flex e-con-boxed e-con e-parent\" data-id=\"b25b876\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f27829b sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"f27829b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Industry Overview: What LOA Actually Is<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8d0e341 e-flex e-con-boxed e-con e-parent\" data-id=\"8d0e341\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-562295b sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"562295b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The Level of Accuracy specification comes from the U.S. Institute of Building Documentation (USIBD), which describes it as its most downloaded document. Version 3.0 was published on August 20, 2019, and the current specification guide is v3.1, which simplifies how tolerances are computed. The five levels were inspired by the tolerance classes in the German DIN 18710 standard.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-58a1b8c e-flex e-con-boxed e-con e-parent\" data-id=\"58a1b8c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-987af88 sc_fly_static elementor-widget elementor-widget-image\" data-id=\"987af88\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-1024x341.png\" class=\"attachment-large size-large wp-image-4397\" alt=\"\" srcset=\"https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-1024x341.png 1024w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-300x100.png 300w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-768x256.png 768w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-1536x512.png 1536w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-2048x683.png 2048w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-370x123.png 370w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOA-Tolerance-Range-Table-760x253.png 760w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-42187ef e-flex e-con-boxed e-con e-parent\" data-id=\"42187ef\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02b9707 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"02b9707\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Two details in how the framework works matter more than the table itself.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-127f051 e-flex e-con-boxed e-con e-parent\" data-id=\"127f051\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-add7b78 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"add7b78\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The 95 percent confidence level is part of the spec. A stated tolerance means 95 percent of measured points fall within it, not every point. A scope that says &#8220;within 10 mm&#8221; without a confidence level is not a complete LOA statement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-096b74d sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"096b74d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>LOA applies to elements, not whole projects. Each level can be applied to individual building elements within the same project. A structural frame, an MEP riser, and an interior finish do not need the same accuracy. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9e1253b sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"9e1253b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The framework also does not tell anyone how to capture data. It defines the outcome that has to be achieved, and leaves the method to the project. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-13e5063 e-flex e-con-boxed e-con e-parent\" data-id=\"13e5063\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dd4ff20 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"dd4ff20\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">LOA vs LOD: Why One Doesn't Cover the Other<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0d6f9f4 e-flex e-con-boxed e-con e-parent\" data-id=\"0d6f9f4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5894996 sc_fly_static elementor-widget elementor-widget-image\" data-id=\"5894996\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"300\" src=\"https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-1024x300.png\" class=\"attachment-large size-large wp-image-4399\" alt=\"\" srcset=\"https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-1024x300.png 1024w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-300x88.png 300w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-768x225.png 768w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-1536x450.png 1536w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-2048x600.png 2048w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-370x108.png 370w, https:\/\/www.elogictech.com\/blog\/wp-content\/uploads\/2026\/10\/Centered-LOD-and-LOA-Comparison-Table-1-760x223.png 760w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5bebab5 e-flex e-con-boxed e-con e-parent\" data-id=\"5bebab5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b65391 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"4b65391\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The dangerous combination is high LOD with low or unspecified LOA. The model looks fabrication-ready, so the team treats it that way. Nothing in the file warns them that the underlying accuracy was never defined. Ideally both are specified against the same element categories, so nobody has to translate between two tables.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5169d7b e-flex e-con-boxed e-con e-parent\" data-id=\"5169d7b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-536fd3d sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"536fd3d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Problem Statement<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-696326c e-flex e-con-boxed e-con e-parent\" data-id=\"696326c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cdce720 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"cdce720\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Point clouds look authoritative. They are dense and easy to rotate on a screen, and that appearance earns more trust than the data may have earned. When accuracy has not been defined or validated, registration shifts and accumulated drift can hide inside a dataset that looks seamless. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82e2ff9 e-flex e-con-boxed e-con e-parent\" data-id=\"82e2ff9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8ac835 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"a8ac835\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The problem surfaces weeks later, when dimensions don&#8217;t reconcile across a long floor plate or an element that looked aligned in the model sits somewhere else on site. At that point the question is contractual: was the data wrong, was the model wrong, or was the expectation never written down?<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aba24b3 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"aba24b3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Challenges: Where Unspecified Accuracy Costs Money<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-761bf64 e-flex e-con-boxed e-con e-parent\" data-id=\"761bf64\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7241cc sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"a7241cc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Tight retrofit zones<\/strong><strong><br \/><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-927df68 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"927df68\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>New MEP routing through existing ceilings, shafts, and structure leaves very little margin. Centimeter-level drift in the model removes it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2fd6b0a e-flex e-con-boxed e-con e-parent\" data-id=\"2fd6b0a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e820d2c sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"e820d2c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Prefabrication<\/strong> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29f7cf1 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"29f7cf1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Any off-site fabricated component that has to land against existing structure is only as good as the as-built dimensions behind it.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1c02d8b e-flex e-con-boxed e-con e-parent\" data-id=\"1c02d8b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b23d8a sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"7b23d8a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Contract disputes<\/strong> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee05bb3 e-flex e-con-boxed e-con e-parent\" data-id=\"ee05bb3\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f6fcc0 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"1f6fcc0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When a model&#8217;s accuracy was never specified, nobody can say whether a mismatch is a modeling error, a scanning error, or a scope gap. The argument starts from zero. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-91213da e-flex e-con-boxed e-con e-parent\" data-id=\"91213da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-60926c4 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"60926c4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Validation that doesn&#8217;t match the target<\/strong> <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cd3b2f sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"7cd3b2f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Checking a room by measuring wall to wall stacks the deviation of two separate surfaces, each of which may be inside tolerance on its own. Good data can look bad, and rework follows. The validation method has to suit the level being claimed. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffac217 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"ffac217\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Precision mistaken for accuracy <\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03574cf sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"03574cf\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Scanners produce highly repeatable measurements. Repeatable is not the same as correct. A dataset can be consistently offset by weak control, registration error, or drift along a long run of scans and still look clean. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bee8b8 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"3bee8b8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Solutions: Specify LOA by Element, Not by Project \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b241d6a sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"b241d6a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The instinct on many projects is to pick one accuracy level for the whole building, and the safe-sounding choice is &#8220;high.&#8221; That is expensive and usually unnecessary. Higher LOA means tighter scanning control, more registration discipline, and more modeling verification time. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38f28ca sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"38f28ca\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A more defensible approach is to tier it. Tighten accuracy where the design will actually collide with existing conditions: structure, shafts, risers, slab edges, and anything receiving new fabricated work. Relax it where the model is for reference or space planning. This puts the accuracy budget where the risk is and keeps the scope price honest. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30e3f30 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"30e3f30\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Step-by-Step Process: What a Scan-to-BIM Scope Should State <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-adf3013 e-flex e-con-boxed e-con e-parent\" data-id=\"adf3013\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff202dd sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"ff202dd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li>LOA level per element category, not a single project-wide number <\/li><li>The confidence level the tolerance is stated at <\/li><li>The reference frame, absolute or relative, the accuracy is measured against <\/li><li>A statement of intent: what the accuracy is for, so everyone reads the number the same way <\/li><li>How accuracy will be verified before the model is accepted <\/li><li>Whether the specified accuracy refers to the captured data, the final model, or both <\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2ca729 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"b2ca729\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>On that last point, the USIBD framework distinguishes between how accurately something is measured and how accurately it is represented in the model. Modeling translates accuracy. It does not improve it. A scope that blurs the two leaves room for both sides to be right and still disagree. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebe87ff sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"ebe87ff\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Representation also involves judgment. Real walls are rarely perfectly flat or parallel. Where measured conditions are slightly irregular, a best-fit orthogonal representation can be valid, as long as the modeled condition stays within the stated tolerance of the measured data. Model what matters correctly, and record what was simplified. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a68a5a9 e-flex e-con-boxed e-con e-parent\" data-id=\"a68a5a9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8cb9edd sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"8cb9edd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Benefits<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc042cd e-flex e-con-boxed e-con e-parent\" data-id=\"bc042cd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81d795f sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"81d795f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>One shared definition of &#8220;accurate&#8221; across architecture, MEP, structure, and construction. <\/li><li>Accuracy spend aimed at the elements that carry risk.<\/li><li>Fewer coordination surprises when trades check the model against real conditions. <\/li><li>A defensible record if a dimension is questioned later. <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32dfbc0 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"32dfbc0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Features \/ Key Highlights: Where eLogicTech Fits <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac5a42b sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"ac5a42b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.elogictech.com\/\">eLogicTech&#8217;s<\/a> Scan-to-BIM team builds as-built models from point cloud data for U.S. architecture, engineering, and construction firms, working as an extension of in-house BIM teams. When a project specifies LOA, we model to it. When it doesn&#8217;t, we raise the question during scoping, because an unstated accuracy requirement is a risk for the client and for us.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9bef530 e-flex e-con-boxed e-con e-parent\" data-id=\"9bef530\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b800db5 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"b800db5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Point cloud to BIM across architecture, structure, and MEP, with Revit modeling up to LOD 400 <\/li><li>Model-to-point-cloud checks within a structured 3-stage QA\/QC review before delivery <\/li><li>BIM model auditing against current scan data <\/li><li>Element-level agreement on modeling tolerance and abstraction before production starts <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4c7a75 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"a4c7a75\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For firms that need existing-conditions models they can design and coordinate against without second-guessing the dimensions, defining LOA up front is the cheapest quality control step available. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a34a7e sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"9a34a7e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Best Practices<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9edf2b6 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"9edf2b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Put LOA in the contract documents and the BIM execution plan, not in a side email. <\/li><li>Use the same element categories for LOA and LOD. <\/li><li>Match the validation method to the level being claimed, and agree it before the scan is delivered. <\/li><li>Ask the capture provider to document control and registration, and the modeling team to document its abstraction rules. <\/li><li>Revisit the LOA when scope shifts toward prefabrication or fabrication. <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f66cf5c sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"f66cf5c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Common Mistakes to Avoid<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c83c90 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"8c83c90\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Writing &#8220;survey-grade&#8221; or &#8220;high accuracy&#8221; into a scope with no defined LOA behind it. <\/li><li>Stating a tolerance without a confidence level. <\/li><li>Assuming the model improves on the data it was built from. <\/li><li>Reusing data captured for one purpose, such as visualization, for another, such as coordination, without re-checking the level. <\/li><li>Treating LOA and LOD as one specification. <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c19796 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"7c19796\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Statistics & Industry Data<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fbd86ce e-flex e-con-boxed e-con e-parent\" data-id=\"fbd86ce\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-973334d sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"973334d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>USIBD published LOA Specification v3.0 on August 20, 2019, adding a statement of intent, a defined upper range for LOA10, a user-defined LOA option, and a redesigned reference frame specification (USIBD, via LiDAR News). <\/li><li>Five levels, LOA10 to LOA50, with tolerances specified at the 95 percent confidence level (USIBD LOA Specification). <\/li><li>The current guide, v3.1, keeps the measured versus represented accuracy distinction and simplifies tolerance computation (LIDAR Magazine, 2025). <\/li><li>The LOA defines the outcome that must be achieved and does not prescribe how data is captured (LIDAR Magazine, June 2026). <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1620c0f sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"1620c0f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Case Study \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2909aae sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"2909aae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Consider an AEC firm in Georgia taking an existing office floor through a full interior renovation. The scan data came from an outside provider, the scope said &#8220;accurate as-built model,&#8221; and no LOA was written. The architectural model was built to a level of development that worked fine for partitions and finishes. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97c0a9b sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"97c0a9b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Months later the MEP team routed new ductwork through a tight corridor ceiling and found that several clearances did not hold on site. The corridor data had never been specified to the tighter level that coordination needed, and nobody had agreed how it would be checked. The arguments that followed were about responsibility, not ductwork. A one-page LOA statement, tighter on the corridor and mechanical areas and looser on general partitions, would have settled it before the first model element was placed. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-013399f sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"013399f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Expert Insights \/ Tips<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9297b1c sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"9297b1c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Ask one question at kickoff: what decision will someone make from this model that they cannot easily undo? Set the tightest LOA around that decision. <\/li><li>When a provider quotes an accuracy figure, ask what it was validated against, and how. <\/li><li>A high-LOD model with no LOA reads as more reliable than it is. Treat it with extra suspicion, not less. <\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95d337b sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"95d337b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Future Trends<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dd41c90 e-flex e-con-boxed e-con e-parent\" data-id=\"dd41c90\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a29735 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"3a29735\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Capture and processing keep getting faster, and faster data is easier to over-trust. USIBD now backs the framework with a practitioner&#8217;s guide, training, and certification, which points to LOA becoming a routine line in procurement. Owners and general contractors who have been through one avoidable dispute are already asking for it by name. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bf6c036 e-flex e-con-boxed e-con e-parent\" data-id=\"bf6c036\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c92fb14 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"c92fb14\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions \u2753<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cfbb7a5 e-flex e-con-boxed e-con e-parent\" data-id=\"cfbb7a5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cb2437c sc_fly_static elementor-widget elementor-widget-n-accordion\" data-id=\"cb2437c\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;expanded&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2130\" class=\"e-n-accordion-item\" open>\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"true\" aria-controls=\"e-n-accordion-item-2130\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Q: What does LOA stand for in scan-to-BIM?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2130\" class=\"elementor-element elementor-element-141ef5b e-con-full e-flex e-con e-child\" data-id=\"141ef5b\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2130\" class=\"elementor-element elementor-element-acf1204 e-flex e-con-boxed e-con e-child\" data-id=\"acf1204\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e201794 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"e201794\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Level of Accuracy, the USIBD framework defining how closely existing-conditions documentation must match real conditions, from LOA10 to LOA50. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2131\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2131\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Q: How is LOA different from LOD?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2131\" class=\"elementor-element elementor-element-5083af9 e-con-full e-flex e-con e-child\" data-id=\"5083af9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09bb67d sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"09bb67d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>LOD describes how developed and information-rich a model element is. LOA describes how close its position and dimensions are to the real building. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2132\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2132\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Q: What is the difference between measured and represented accuracy?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2132\" class=\"elementor-element elementor-element-0a105a8 e-con-full e-flex e-con e-child\" data-id=\"0a105a8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f81e8b6 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"f81e8b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Measured accuracy covers the captured data. Represented accuracy covers the model built from it. The model cannot exceed its data. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2133\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2133\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Q: Can different parts of a building have different LOA?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2133\" class=\"elementor-element elementor-element-a89b545 e-flex e-con-boxed e-con e-child\" data-id=\"a89b545\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f643f2 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"3f643f2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Yes. Each level can be applied to individual elements within the same project. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2134\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2134\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Q: Who is responsible for meeting the LOA? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2134\" class=\"elementor-element elementor-element-6a31ac4 e-flex e-con-boxed e-con e-child\" data-id=\"6a31ac4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c30d8f0 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"c30d8f0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Usually the capture side owns measured accuracy and the modeling side owns represented accuracy. The contract should say so. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-84b73f8 e-flex e-con-boxed e-con e-parent\" data-id=\"84b73f8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b231a76 sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"b231a76\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-06c2608 e-flex e-con-boxed e-con e-parent\" data-id=\"06c2608\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cfa117 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"4cfa117\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Most as-built models don&#8217;t fail because of bad scanning or bad modeling. They fail because nobody wrote down what &#8220;close enough&#8221; meant, or how anyone would prove it. LOA costs a conversation at kickoff and a page in the scope, and it protects every discipline that touches the model afterward. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eefefa7 e-flex e-con-boxed e-con e-parent\" data-id=\"eefefa7\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5504a0a sc_fly_static elementor-widget elementor-widget-heading\" data-id=\"5504a0a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Call-to-Action <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b38454b sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"b38454b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Scoping a renovation or retrofit and not sure what accuracy your as-built model needs? <a href=\"https:\/\/www.elogictech.com\/contact-us\">Talk to our team<\/a> about setting an LOA by element before the scan is booked. <a href=\"https:\/\/www.elogictech.com\/services\">https:\/\/www.elogictech.com\/services<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduction A Scan-to-BIM scope usually arrives with a line that says something like &#8220;model to LOD 300&#8221; or &#8220;LOD 350 as-built.&#8221; It&hellip;<\/p>\n","protected":false},"author":1,"featured_media":4403,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Level of Accuracy (LOA) in Scan-to-BIM: The Specification That Decides Whether Your As-Built Model Holds Up on Site - Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.elogictech.com\/blog\/level-of-accuracy-loa-in-scan-to-bim-the-specification-that-decides-whether-your-as-built-model-holds-up-on-site\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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