15 KEY CONCEPTS THAT A BIM USER SHOULD.pdf

15 KEY CONCEPTS THAT A BIM USER SHOULD KNOW A
GUIDE TO THE MOST USED TERMS TO WORK IN THE NEW
METHODOLOGY OF COLLABORATIVE WORK IN THE
CONSTRUCTION SECTOR
info@marsbiminternational.com
www.marsbiminternational.com

One of the main characteristics of the
language in BIM (Building
Information Modeling) is the
increasingly widespread use of
acronyms.
This means that on numerous
occasions when they are used, their
explanation is dispensed with, which
is why many of the professionals who
work with the BIM methodology end
up using them without knowing
precisely what they mean.
Discover the 15 key concepts that
every BIMer must master.

BIM Protocol
A Legal Agreement That Allows The Development Of A Project In Bim Without
Problems. This Document Establishes The Role Of The Information Manager And
The Incorporated Standards To Be Followed By All Team Members. In Addition, It
Obliges Providers To Provide Bim Data At Specified Levels Of Detail And Provides
The Necessary Protection To Producers Of The Information Through Bim-specific
Licenses.
"A Bim Protocol Helps Establish A Chain Of Responsibility So If There Is An Error
In The Data, It Would Be Possible To Detect To The Person Who Made The Original
Mistake."
It Is Important To Note That This Protocol Has Different Requirements Depending
On The Jurisdiction. For Example, According To Bentley Systems In The United
States, The Bim Protocol Serves The Same Purpose In The United States As It Does
In The United Kingdom, But It Is Not Considered A Legal Agreement.

• Technical Requirements:
They Can Include Aspects Such As Software Platforms, The Data Exchange Format, The Levels Of
Detail, And Training That They May Need.
• Management Requirements:
This May Include Stakeholder Roles And Responsibilities, Security, Collaboration Processes, And
Delivery Strategies.
• Commercial Requirements:
They Refer To The Synchronization Of Data, The Presentation Of Results, And An Evaluation Of The
Competition.
EIR (Employers Information Requirements)
This Document Should Be One Of The First To Be Issued When
Starting To Work With BIM Technology. Defines The Client's
Needs For Each Stage Of The Construction Process In Terms Of
Modeling. Under Current English Regulations, This Document
Is Essential For Writing The BEP. Typically, The EIR Is Made
Up Of Three Different Areas:

MET (Model Element Table)
The table of modeled elements is a table that is normally found in the BEP and that accurately
and visually defines the LOD, level of detail, at which the elements for the different 3D
Modeling categories will be modeled.
MIDP (Master Information Delivery Plan)
Imagine this document as the task list for a BIM project. You will be told exactly who is doing
what and when.
This plan is a necessary part of the EIR. It enters the scene after the contracts have been
awarded to the suppliers and the list of which part of the project information will be delivered
when it will be delivered, and what protocols will be used for each stage is defined.

CDE (Common Data Environment)
As Its Name Suggests, The CDE Is A Digital Twin (Either In The Cloud Or A Local Server) Where All
Project Information Is Stored. All Team Members Have Access And Can Make Changes When Necessary,
This Reduces The Risk Of Duplication And Miscommunication.
This Space Must Be Structured And Subdivided Into Different Areas By Information Categories. Design
Teams Will Normally Work On An Area Called WIP (Work In Progress) Or Work In Progress.
The Cde Is Maintained And Monitored By The Information Manager (Indicated In The Bim Protocol).
Information Managers, Generally Appointed By The Client, Are Responsible For Ensuring That Protocols
Are Followed And That Data Is Properly Secured.

Data classification is probably a familiar topic, but BIM takes it to another level. In many cases, individual
companies and organizations have proprietary ways of classifying data, which undermines the entire purpose
of BIM. There are several data classification systems out there, including those MasterFormat, OmniClass
Classification System, and Uniclass.
Whichever system the team chooses, it shows that it bears in mind the classification of the data and that these
are shared by all the actors involved. This does not only apply to the design team: it includes manufacturing,
construction, and even international operators. PIM (Project Information Model)
This model, which is commonly referred to as the digital engineering model, sets the whole project in
motion. "This is a virtualization of the design for its visualization and to carry out the detailed engineering
analysis and optimize the construction systems", is how Andy Smith, of Bentley Systems, says. understands
this concept "All design disciplines contribute to the model, which is used from design conceptualization
through the production of contract documents.“
It is how the BIM project is called during the process stage and up to the moment before delivering it to the
client. Once completed and delivered, this project is renamed AIM (Asset Information model).
DATA CLASSIFICATION

AIM (Asset Information Model)
This Information Model Is Generated From The Pim And Is Used To Manage, Maintain, And Operate
The Entire Project As It Happens. It Is Important To Note, However, That The Objective Can Be
Developed Without A PIM If There Is An Existing Asset Reporting System. AIM Is Generally Used
During The Operation Stage Of A BIM Project.
Ifc (Industry Foundation Class)
Ifc Is An International Standard Developed And Maintained By Buildingsmart. It Is Designed To
Describe Construction Documentation Data And The Construction Industry And To Facilitate The
Exchange Of Information Among Various Contributors And Types Of Software. It Is An Open And
Neutral Specification That Is Not Controlled By A Single Vendor Or Group Of Vendors.
Ifc Is An Official Standard Recognized In Iso 16739. The Standard Is Continually Under Development,
So Make Sure You Have The Latest Version. More Information About The IFC And The Standards Can
Be Found On The Buildingsmart.

LOD (Level of Development/Definition)
It is a classification scale of the level of detail that the BIM objects will have
according to the moment of the development of the project. According to AIA
international standards, LOD levels range from LOD 100 to LOD 500.
Let's say that a LOD 100 would correspond to the most initial design moment, a LOD
300 would be a level of graphic detail corresponding to that of an execution project
and a LOD 500 would correspond to an "as built", as it is built, which would serve to
the management of the building already in use.
Be careful, the British have their standards, which go from LOD 1 to 7 and call them:
LOD 1 brief (concise), LOD 2 concept (concept), LOD 3 design development (design
development), LOD 4 Production (production), LOD 5 Installation (describes the
construction), LOD 6 As-built (as built) and LOD 7 Asset Information Model (asset
information). To understand each other, an AIA LOD 100 would correspond to the
British LOD 2, and LOD 500 would correspond to the British LOD 6.

LOI (Level of Information)
It is the amount of non-modeled information that a BIM object has. For example, a family
has its types and within these types, it can have a huge number of parameters that can be
from something as simple as height and width to more complex elements like a
mathematical formula that changes the spacing of elements based on the occupancy of the
room in which they are. The LOI can be tables, specifications, and parametric information.
COBie BIM (Construction into Operation of Building Information Exchange)
Cobie BIM is a structured data format that focuses on the asset data of a BIM project rather than
geometric data.

Officially, it is facility information for the start-up, operation, and maintenance of a project
often in a neutral spreadsheet format that is used to supply data for the employer or operator to
populate decision-making tools, facilities management, and asset management.
It is a publicly available specification sponsored by the Construction Industry Council. Its main
function is to serve as a framework to support the objectives of BIM in the United Kingdom. To
do this, PAS 1192 specifies the requirements to achieve BIM standards and establishes the bases
for collaboration on BIM projects, including the available information standards and data
exchange processes.
API (Application Program Interface)
It is a programming program to make small applications or macros that speed up the work in
BIM programs. The Revit API is open source and available to users in the “manage” tab,
“macro manage”.

Thanks
Do you have any Questions?
info@marsbiminternational.com
www.marsbiminternational.com

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