{"id":6660,"date":"2025-09-09T08:56:55","date_gmt":"2025-09-09T06:56:55","guid":{"rendered":"https:\/\/openbim-knowledgebase.org\/docs\/level-of-information-need-basics\/chapter-1-situation\/"},"modified":"2026-01-08T15:20:50","modified_gmt":"2026-01-08T14:20:50","slug":"chapter-1-situation","status":"publish","type":"docs","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/level-of-information-need-basics\/chapter-1-situation\/","title":{"rendered":"Chapter 1 &#8211; Situation"},"content":{"rendered":"<style>.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-content-wrap{background-color:var(--global-palette7, #EDF2F7);}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title{font-size:var(--global-kb-font-size-md, 1.25rem);font-family:var( --global-heading-font-family, inherit );font-weight:bold;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:before{background-color:var(--global-palette7, #EDF2F7);}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}<\/style>\n<p class=\"wp-block-paragraph\">The BIM method is predestined to support those involved in the development of solutions in the areas of planning, construction and operation. The reason is obvious &#8211; BIM is the approach that creates the link between established construction processes and information management and data-based collaboration. <\/p>\n\n<p class=\"wp-block-paragraph\">The prerequisite is a common understanding of the required information or depth of information requirements. This is from the perspective of provision (supplier) as well as from the perspective of use (recipient). The focus is on the level of information required by the actors involved at a specific point in the process: the &#8220;level of information need&#8221;. The SN EN ISO 19650 series of standards, Organization of data on construction works &#8211; Information management with BIM, identifies the processes and roles in the provision of information from the perspective of the information recipient and the information provider.   <\/p>\n\n<p class=\"wp-block-paragraph\">SN EN 17412-1:2020 Building information modeling &#8211; Level of information need &#8211; Part 1: Concepts and principles provides the methodological basis for defining the level of information need. It serves to precisely describe the information deliveries in a machine-readable form in BIM processes. <\/p>\n<style>.kb-imagedpp_fig01 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-imagedpp_fig01 size-full\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/LOIN_Fig01.png\" alt=\"Scheme for defining the \"level of information need\", SN EN 17412-1:2020 (source: own illustration)\" class=\"kb-img\"><figcaption>Figure 1: Scheme for defining the &#8220;level of information need&#8221;, SN EN 17412-1:2020 (source: own illustration)<\/figcaption><\/figure>\n\n<p class=\"wp-block-paragraph\">The methodology is essentially based on two steps. In the first step, the prerequisite is defined (why, when, who, what) and in the second step the depth of information required is described (how). <\/p>\n\n<p class=\"wp-block-paragraph\">Step 1: <strong>Definition of the prerequisite<\/strong><br\/>why, when, who, what<\/p>\n\n<p class=\"wp-block-paragraph\">Step 2: <strong>Definition of the level of information need<\/strong><br\/>Required depth of information on geometry, alphanumerics<br\/>and documentation<\/p>\n\n<p class=\"wp-block-paragraph\">This publication by Bauen Digital Schweiz \/ buildingSMART Switzerland takes up this new definition and establishes a link to current practice and to further norms and standards.<\/p>\n\n<p class=\"wp-block-paragraph\">The result of the project-specific definition of the Level of Information Need is part of a BIM Execution Plan (BEP). These relationships are described in detail in the standards SN EN ISO 19650 and guidelines, documents such as &#8220;BIM Execution Model&#8221; and &#8220;BIM Utilization Plan&#8221;, which are also published by Bauen digital Schweiz \/ buildingSMART <sup>Switzerland1<\/sup> and SIA Swiss Society of Engineers and <sup>Architects2<\/sup>. <\/p>\n\n<p class=\"has-theme-palette-7-background-color has-background wp-block-paragraph\"><sup>1<\/sup> Building Digital Switzerland \/ buildingSMART Switzerland: <a rel=\"nofollow\" href=\"https:\/\/bauen-digital.ch\/de\/produkte\/\">https:\/\/bauen-digital.ch\/de\/produkte\/<\/a> <\/p>\n\n<p class=\"has-theme-palette-7-background-color has-background wp-block-paragraph\"><sup>2<\/sup> SIA Swiss Society of Engineers and Architects <a href=\"https:\/\/www.sia.ch\/de\/dienstleistungen\/normen\/themen\/bim\/\">https:\/\/www.sia.ch\/de\/dienstleistungen\/normen\/themen\/bim\/<\/a><\/p>\n\n<div class=\"wp-block-group has-theme-palette-7-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Copyright<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This document is licensed under a &#8220;Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License&#8221; as Attribution-NonCommercial-ShareAlike under the same conditions<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/LOIN_Fig15.png\" alt=\"Creative Commons\"\/><\/figure>\n<\/div><\/div>\n","protected":false},"featured_media":0,"parent":6654,"menu_order":2,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_is_vendor_doc":"0","footnotes":""},"doc_tag":[],"class_list":["post-6660","docs","type-docs","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"The BIM method is predestined to support those involved in the development of solutions in the areas of planning, construction and operation. 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