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BIM Software for Construction
When choosing BIM Software…..
The BIM dimensions
7D Lifecycle management8D BIM saves kittens from trees9D BIM for world peace…
What are BIM uses?
“a method of applying Building Information Modeling during a
facility’s lifecycle to achieve one or more specific objectives.”
PENN State University BIM Execution Planning Guide
What are BIM uses?
Plain Language Questions?
A set of plain language questions that a client intend to answer at each stage of a construction project. Key decisions such as whether to proceed to the next work stage or not will be made based upon the answers to these questions
Once you have your uses and your questions …Capture them in an EIR
The Employer’s Information Requirements (EIR) form part of the appointment and tender documents on a BIM Project.
The EIR define which models need to be produced at each project stage – together with the required level of detail and definition. These models can be key deliverables in the ‘Information Exchanges’ – contributing to effective decision making at key stages of the project.
So your tender has an EIR based on your BIM uses…The Main Contractors will respond with a BIM Execution Plan
There are Pre-Contract and Post-Contract versions of the BIM Execution Plan. Where possible a standard template should be used to simplify tender scrutiny.
The CPIx have excellent templates for this reason
You’ve asked for your Information…Your chosen contractor has a plan to deliver it…So how are you going to use it?
BUY LOADS OF SOFTWARE!
Says
What are Open BIM Standards?
= Common Data
Common Data Environments
Open BIM is a universal approach to the collaborative design, realization and operation of buildings based on open standards and workflows.
16 Regional Chapters Including….
IFC - Industry Foundation Classes
IFD - International Framework for Dictionaries
IDM - Information Delivery Manual
MVD - Model View Definitions
bSDD - BuildingSMART Data Dictionary
BCF – BIM Collaboration Format (Candidate)
What is IFC?
a common data schema that makes it possible to hold and
exchange data between different proprietary software applications. The data schema comprises information covering the many disciplines that contribute to a building throughout its lifecycle: from conception, through design, construction and operation to refurbishment or demolition
IFC definition….
“I exported and re-imported an IFC and there were missing elements…”
IFC misconceptions….
“IFC loses important data…”
“It’s Impossible to get a good IFC out of some BIM
authoring software…”
Image by buildingSMART Canada
IFC doesn’t yet replace your native design
files…
But it enables you effectively to
share your designs.
IFC reality….
So client on you projects are ready to accept IFC models right?…Thought not, very few people are…Luckily there’s COBie!
NOT THIS Cobie!
What is COBie?
COBie…
… is a subset of IFC with some additional data
… simplifies the work required to capture and record project handover data.
… captures data as it is created during design, construction, and commissioning
… does not require endless spreadsheet editing
… is a UK Government requirement by 1st 2016
… is a Model View Definition (MVD) as defined by buildingSMART
Why COBie?
Once a validated COBie dataset has been delivered to the building operator matching the built asset; all operations and maintenance data can be interrogated from a single place.
Meaning this type of information about built assets…
…Instead of this
B 555 roadmap - The Mandate taking shape
The BS/PAS 1192 series of standards are the most important releases to date.
PAS 1192:2 Concerns the Level 2 Delivery of projects.
PAS1192:2 What’s it all about?
What is BIM Data?
DocumentationInformation for use in the briefing, design, construction,operation, maintenance or decommissioning of aconstruction project, including but not limited tocorrespondence, drawings, schedules, specifications,calculations, spreadsheets
NOTE Documents must either be immutable orincorporate a means of controlling changes.
Non-graphical datadata conveyed using alphanumeric characters
What is BIM Data?
Non-graphical datadata conveyed using alphanumeric characters
Graphical Modeldata conveyed using shape and arrangement in space
What is BIM Data?
… ALL of this data is to be delivered to and shared through a Common Data Environment approach. It is a ‘Fundamental Principle for Level 2 information modelling’
= Common Data Environment
Common Data Environment (CDE) – PAS1192:2
‘Single source of information for any given project, used to collect, manage and disseminate all relevant approved project
documents for multi-disciplinary teams in a managed process.’
‘NOTE, A CDE may use a project server, an extranet, afile-based retrieval system or other suitable toolset’
Documents and drawing are easy to share – 4Projects have been facilitating effect collaboration around these for years
But getting the most out of sharing Building Information Models presents a new challenge…..
How does everybody see the model and it’s data?
Ownership the federated information?
Can unfinished worked be shared to assist the design process?
How is the Information exchange data compiled and validated?
What are the issues?
PAS 1192:2 and 4Projects Workflows are here to help
So that’s the theory…. What about the practice?
Single Design ModelsSDMs
Master Design ModelMDMs
But doesn’t this only apply to buildings?
The VSU model encompasses the entire project and incorporates 18 discrete design disciplines, showing how the entire project fits together.
[The] Federated project supply chain [produced] a co-ordinated information model
To maximise interoperability between disciplines, LU’s preferred collaboration software, [ ]was used wherever practicable. When this was not possible, the transition of electronic information between the different platforms being used was assisted by tailoring software configurations and
using ‘platform agnostic’ models.
Translating the B555 Roadmap into the CDE.
Published
Shared
WIP
Archived
Plan of Works
Stage 1-6
BEP
EIR
Plan of Works
Stage 7-n
• Employers Information Requirements
• BIM Execution Plan
• Single Design Models • Master Design Models
How does this fit with contracts, appointments, briefs etc…
Confirmation from the major contract providers has been received that on minor clause amendments are required to incorporate BIM Protocol to sit above the contract. The clause changes must be cascaded throughout the project appointment for successful collaboration.
The PAS1192:2 Level 2 Fundamentals include the provision Employers Information Requirements, from Client to Supplier and a BIM Execution plan in return from Supplier to Client.
