bim for construction, bpms and owners

marcgoldman@yahoo.com303-482-2629

BIM OverviewA little something for architects, engineers, manufacturers,

contractors, owners and more

Presented by: Marc Goldman

Thanks to the many BIM enthusiasts who provided the wonderful images used in this presentation.

Credits have been given in most cases where known. Sorry for any omissions.

The state of the AEC Industry

State of the AEC Industry

AEC Industry• Large, Complex

– >$5T

Image: McGraw Hill

marcgoldman@yahoo.com303-482-2629 4

– >$5T• Fragmented

– >1.25mm co’s in NA– 98% < 50 employees

140,000 20,000

48,000

240,000380,000

1,248,000Total Firms

Owners Architects Engineers Contractors Specialty Trades Building Product Mfrs Distributors Facility Managers Service Providers Consultants, Other Specialists

ConstructionIndustryPlayers

Image: McGraw Hill

– >Hundreds of IT tools

HundredsOf Tools

CADD Estimating Scheduling Project Mgt Document Mgt Financial/GL Etc.

MultipleIT

Image: McGraw Hill

– >Over a long lifecycle

Over theLifecycle

TheProject

Lifecycle

Strategy Research Plan Design Document Bid/Procure Fabricate Build Commission Operate, Maintain, Renovate Disposition

Image: McGraw Hill

– >$5T• “The Project”

– One-of-a-kind – Long lifecycle – Dozens of co’s– Different IT tools– Little consistency

Lifecycle Project-to-project

1 at a time

TheConstruction

Project

Image: McGraw Hill

AEC Industry• Information exchange

– Many point-to-point handoffs– Limited transparency– Linear, “toss it over the

fence” process

Image: McGraw Hill

$24B $400B $4T

Design Procure Build Manage

Early Late

Knowledge Sources

Design Cost Construct Operate

AEC Industry• Lot of Casualties…

– Poorly Coordinated Design Documents– Change Orders & Rework – Delays & Cost Overruns– Claims & Litigation– Greater Risk– Poor Turnover Documents– Frustrated Owners– Tight Profit Margins

AEC Industry• Demand for Better

Sustainability– Construction process> 20%

waste– Buildings consume 60% of

US raw materials– Buildings consume 40%

world’s energy (poorly)• Requires coordinated,

collaborative effort

Center for Excellence for Sustainable Development• Buildings consume 40% of

world’s energy*• 81 million buildings currently

operating in US• Over 30 million more forecast

to start design between 2005-2010

(*Roodman and Lenssen summary on impacts of buildings)

AEC Industry• Summary…

– $4T industry with > 20% waste (at least)– Buildings consume 60% of US raw materials– Buildings consume 40% world’s energy (poorly)– Projects routinely exceed schedule/budget– Claims and litigation– Low profit margins– Declining productivity– Depleting workforce

• Antiquated processes and tools

But….. • A major wave is forming

that WILL dramatically change the AEC industry

BIM• Building Information Modeling

– Enabled by powerful technology– Facilitated by collaboration and

integration

BIM• Bottom-up, not top-down

– Driven by industry practitioners who see the value

• Important to understand why it is valuable– It will become pervasive– Building Design, Construction,

Development, Ownership and Management will change

What is BIM?

Image: University Mechanical

BIM: What It Is and Why It’s Important

• BIM is to CAD…• …as CAD was to manual drafting with Ink and Linen

BIM is an interoperable database

• Multiple models interoperate– Architectural model– Structural model– HVAC model– Piping model– Telecommunications model– Electrical model– Furniture model– Civil model– Construction model– Fabrication model– Facility management model– etc.

The ability of a system to work with

other systems without

special effort on the part of the customer.

Image: Bentley

• Models can interoperate with analysis and other specialty tools – Rendering, 3D Printing– Scheduling– Estimating, Procurement– Engineering Design– Animation, Simulation (construction, energy consumption, etc)– Laser Scanning and Underground Radar– Facility Management

• Graphical Information– 3D Objects Visual in the Model –

Architecture, Structure, Ductwork, Piping & Equipment

• Non-Graphical Information– Performance Data

• Linked Information– Schedule & Cost Information

It is all about the Information …

Stanford SIM1Whiting-Turner & ZGF

Design Design Devel Const Docs Construction

BIM: What It Is and Why It’s important

Traditional Design Process

Ability

control

Design Design Devel Const Docs Construction

Integrated BIM Process– Documenting as the model is built– Involving Construction/Suppliers– Eliminating clashes virtually– Creating a “digital double”

Ability

control

• Collaborative Process• Reduces “over the wall” mentality Potential for “Cost Certainty” Reduce Waste and inefficiencies

through all phases of AEC Collaboration is a “soft skill”

critical to fully leverage BIM potential

Integrated Project Delivery:

Building Owner

Architect

Engineer

Subs & Trades

Fabricators

Building Product

BIM Deliverables

Image: University Mechanical

BIM: Deliverables & Outputs

Design Development

Source: Burt Hill

• Schematic Design phase• LEED credits

- Luminance- Natural Ventilation• Modeling Analysis- Daylighting

• Glazing• Shading

- Shell• Wall construction options

- Natural Ventilation• Feasibility• Placement of openings

Revit model

Source: Burt Hill

IES Energy Analysis Model• Integrates with Revit

Source: Burt Hill

marcgoldman@yahoo.com303-482-2629 Source: Burt Hill

Studied Typical

Classroom

Luminance Levels at LEED EQ Credit 8.1

Area at 30 inches above floor level that is above the 25 fc threshold for LEED EQ Credit 8.1.Required floor area for credit is 75%

Source: Burt Hill

Collaborative BIM Design• Glazing area and placement • Surface reflectivity • Lightshelves• External shading

Source: Burt Hill

New Design Passed

Source: Burt Hill

75% of 3’ work plane above 25 fc threshold

Modified design to optimize prevailing wind

Source: Burt Hill

University of Central Florida, Partnership III Proposal

Whiting-Turner

Utilize 3D models to identify & communicate Site logistics & phasing

Valuable for managing expectations early in the process

Utilize existing range of tools Build as BIM vs. throw-away

Site Logistics

Structural BIM:

Walt Disney Performing Arts ComplexMortensen & Gehry Partners

American Institute of Steel Constructors drove the process with standards

Tekla Software Linking Modeling with

Detailing

Structural BIM:• Incorporate detailed design into model to eliminate need for separate

shop drawing process

Structural DetailerStructural Designer

Images: Bentley Systems

Structural BIM:• Enables complex construction

Why Does Mortenson Model?

Visualization:• Not just pretty pictures

• Enables complex construction

• Having access to a 3D model, allows all members of the team to understand the design intent

Grafton Station Dublin, CAWhiting-Turner

Visualization:• Not only for complex projects

Turner Construction

Visualization:• Not only for complex projects

Constructability Analysis:

Holder Construction

• Drawings are made from Model• Lines are not redrawn from plan to section to details• Links between “views”, so when an object is change it

automatically updates in all linked “views”

Model Based Drawings:

• Not just collision detection• Perform constructability

and check interference• Generates views & reports

for distribution to team

3D Coordination:

• Not just collision detection• Perform constructability and check interference• Generates views & reports for distribution to team

3D Coordination:

• Greater pre-fabrication = Higher Quality Construction

3D MEP Coordination:

• Greater pre-fabrication = Higher Quality Construction

3D MEP Coordination:

Design to Fabrication: (MEP)

• Greater collaboration between designers and fabricators

• BIM is driving multi-system pre-fabrication

• Modeling linked to the construction schedule• Communicate construction phasing• Stakeholder review – Compare construction photo’s with

4D snapshots

4D Schedule:

Image: Pinnacle

Facility Involvement

Same above ceiling access after maintenance coordination

Ability to walk user and maintenance staff through space prior to finalizing coordination

Above ceiling access prior to maintenance coordination

Stanford SIM1Whiting-Turner & ZGF

As-Built Model:• Owners receive a “digital double” with Asset information

embedded in the BIM Models.

What this means for Building Product Manufacturers?

Image: McGraw Hill

What this means for BPMs

“When you design a building using [BIM]

Larry RochaWimberly Allison Tong and Goo

you create an intelligent data model of the building that can be used more effectively than standard two-dimensional documents.”

“When you provide Building Product Models

Marc Goldman

you offer intelligent representations of your products that are more valuable to your customers than traditional product information which can provide a competitive edge and help you get spec’d.”

BIM Content is:

In high demand by BPM customers!

Easier to use for design, take-offs, estimate and specification!

Being provided by a couple hundred BPMs!

One Building Product Model contains multiple views (2D and 3D)

Building Product Models are comprised of the “parts & pieces” of your product systems

What this means for BPMsWhole systems of parts with multiple

options and configurations

Configurable products that behave like the real world

Not just architectural products…Not just architectural products…

Building Product Models aware of their required clearances.

Fixed:Can’t control size or details.

Fully Parametric:Can control size and many details.

Trim Width

Mullion Width

Frame Width

Number & layout of Mullions

Semi-Parametric:Can control overall size or details.

Mullions stay equidistant and fixed size

Levels of complexity

04/11/2023

What does this mean for Owners

BIM can be used as a database throughout the life of the building

• Generate as-builts for tenant build-outs• Recall the paint color of the accent wall in the

executive conference room• Calculate the square footage of the same wall• Better adherence to design standards & aesthetics

BIM can enhance a building’s performance and provide operational efficiency throughout its life

• Better asset tracking & mgmt• Better maintenance (warranty, failure, support)• Better adherence to design standards & aesthetics

What should building owners should do

• Define BIM Standard which AEC stakeholders must adhere to

• Utilize BIM content which is populated with BF Saul valuable data

• The BIM model must be kept alive after the model is handed over to BF Saul

• Manual data entry will be necessary to maintain the most up-to-date information in the models

This is a fantastic time to be entering the [Building Industry], because [the Building Industry] is going to change more in the next 10 years than it has in the last 50. Bill Gates*

We always overestimate the change that will occur in the next two years and underestimate the change that will occur in the next ten. Don't let yourself be lulled into inaction. Bill Gates

Things to Think About

If you don't like change, you're going to like irrelevance even less.Ret. General Eric Shinseki, Chief of Staff, US Army

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