hidef bim and seor supplied shop drawings

8/13/2019 HiDef BIM and SEOR Supplied Shop Drawings

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HiDef BIM & Functional IPDEOR Supplied Shop DrawingsGregory P Luth GREG, GPLA, April 25, 2012


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The Associated General Contractors of America (AGC) is a

Registered Provider with The American Institute of Architects

Continuing Education Systems. Credit earned on completion of

this program will be reported to CES Records for AIA members.

Certificates of Completion are available on request.

This program is registered with the AIA/CES for continuing

professional education. As such it does not include content that

may be deemed or construed to be an approval or endorsement

by the AIA of any material of construction or any method or

manner of handling, using, distributing, or dealing in any material

or product. Questions related to specific materials, methods, andservices will be addressed at the conclusion of this presentation.


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Copyright

This presentation and the materials provided are protected by U.S. and International

copyright laws. Reproduction, distribution, display and use of the presentation or materials

without written permission is prohibited.

AGC of America, 2012


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Course Description

In the world of design and construction the technological revolution started with the advent

of computer analysis in the 70s and accelerated through the use of CAD in the 80s and90s. BIM, Integrated Project Delivery, and DesignBuild are driving changes, that, if

implemented effectively, offer the promise of reductions of up to 25% in cost and schedule

relative to a project delivered by the conventional design-bid-build process.

In structural engineering, the use of design models with construction level detail, HiDef

BIM, and Functional Integrated Project Delivery to implement performance based

engineering enables unprecedented reliability, coordination, and true lean construction

based on actual labor, means, methods, and sequences.

This technology is disruptive at its core and will require fundamental changes in the delivery

process and scopes of services on the design side well beyond contractual arrangements.


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Learning ObjectivesAt the end of this presentation, attendees will be able to:

Attendees will be able to identify achievable levels of detail (LOD) in

design models.

Attendees will be able to summarize the Integration prerequisites for

incorporating construction level detail in a design model.

Attendees will be able to identify the work flow for a verticallyintegrated design-construction process.


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Albert Einstein,German born American Physicist

1879-1955

Insanity is doing the same

thing over and over again

and expecting differentresults

Luth Corollaries

Corollary 1: If you want the same

results, do the same thing.Corollary 2: If you want something

better, do something different


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Where We Are Headed

Design/Construction Industry

HiDef BIM

Functional IPD

Virtual Design and Construction (VDC)utilize HiDef BIM to

visualize, analyze, coordinate, and evaluate different design andconstruction alternatives

Structural Engineering

Performance-Based Design (PBD) of all building systems

Performance Based Earthquake Engineering beyond life safety toeliminate sacrificial structures and control losses


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BIM: Building Information Model

BIM Graphical

Representation

Graphics

Renderings

Approximate/

Design Intent

Concept to Design

Clash-detection

HiDef BIM Database of

Information

Knowledge

Heuristics Shop Drawing

Level Detail

Concept to

Facilities

Clash avoidance

Virtual Design &

Construction------ GIGO Effect ------


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HiDef BIM

High Definition BIM (HiDef BIM) incorporates shop drawing leveldetail into the design model (AIA LOD = 5)

There is only one BIM model, and it is used for all life cycle

processes. During one short interval in the life cycledesign-

constructionthe model is used to produce shop drawings andsupport design, fabrication, construction, and maintenance

processes.

This requires explicit consideration of and provision for, means,

methods, and sequences during the design phase.

This is possible today in structural engineering


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HiDef BIM

This is a disruptive technology

The design/construction processes must change to get

maximum benefit from the technology.

Scope shifts from construction to design

Construction knowledge must be deployed to support

designwe pull the knowledge forward in the process

In a complementary fashion, knowledge of designprocesses can inform construction facilitating the

identification of the optimum vertically integrated solution

Copyright Gregory P. Luth & Associates


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To date we have used HiDef BIM to:

Model concrete, rebar, structural steel, wood, light gage

Produce shop drawings for steel, light gage, rebar

Coordinate construction sequences

Facilitate the design & construction of innovative high performance

structures

Perform in model shop drawing review and work on the same

model as the steel detailer with model remotely located in the cloud


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Functional IPD

f IPD: Incorporating detailed construction knowledge and

planning into the design

Means, methods, and

sequencing Enabling details

Prefabrication

Precision


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Conventional BIM Practice

Contract documents reflect a

concept design that is basedon no particular construction

sequence or means and

methods,

IPD with HiDef BIM

The SEOR produces a complete

design predicated on the mostefficient construction sequence

with structure topography and

details tailored to optimize

construction efficiency, economy,

and quality, complete with

construction aids and/or

temporary structures included.

Knowing the details of both the

design and constructionfacilitates true lean construction

getting exactly the right

resources in exactly the right

place at exactly the right time.


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Panelized Light Gage Roof

Decreases Schedule

Less Off Ground Work

Acoustical Details Included

Plywood, LG Studs 12 OC, Insulation, 2

Layers of ceiling Gyp Board

Savings:

roof finished in 3 days

3 weeks exterior

3 weeks interior

eliminated scaffolding


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50 ft x 10 ft Panel - 4 tons - 15 min

Panelized Rebar Cages

Decreased Schedule (with EOR detailing)

Phase 16 weeks

Phase 215 weeks (30% schedule)

Saves Space On Site

Rebar hoops 4 O.C. in slit

plates require precision in

prefabrication & placing


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Conventional Practice

Fixed price is an estimate

based incomplete details.Subcontractors have to cover

risk in price. Final quantities

arent known until after shop

drawings. Final price is

adjusted through change order

process based on revised

estimates of concept drawings.

IPD with HiDef BIM

Unit price is based on exact

quantities in the model andadjusted based on actual

quantities delivered. (RE:

Denver Health Project) This

saves all of the overhead of the

RFI and change order process


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Isle of CapriCape Girardeau

Rebar modeling and Shop Drawings by EORaccelerated the schedule and resulted in higher

quality end product. 2000 yd pour with 250 tons

of rebar starting at 7 pm 2 weeks after award of

concrete contract. Photo at noon on day of pour.f

pour.


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Construction sequence is

determined by superintendent

long after contract is awarded

and detailed construction

means and methods by the

foreman of the trade involved.

Quite often the details of the

design have to be amended bythe RFI process to tune the

design to the eventual means

and methods

IPD with HiDef BIM

Construction sequence on which

the design is based is includedwith the contract documents

providing a reliable starting point

for the contractors logistical

planning. All of the detailing that

is necessary to support the

sequenceincluding anytemporary structuresis

included in the design.


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Livermore Performing Arts Center

Construction sequence 3D HiDef BIM visualization construction steps 1-4,

concrete substructure and partial superstructure


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Livermore Performing Arts Center

Construction sequence 3D HiDef BIM visualization steps 5-8 at concept

steel & facade


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Livermore Performing Arts CenterRoof truss with temporary construction bracing


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LIVERMOREBuilding Section

with temporary construction columns under cantilever


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The structural steel and rebar

detailers have to interpret the

SEORs intent in preparing

complete shop drawings. Any

question are resolved using the

RFI process. The shop

drawings have to be submitted

to the SEOR to verify that theintent has been faithfully

captured. Drawings are

marked up by hand or

manually in PDF and iterated

until a clean set is produced.The process takes months.

IPD with HiDef BIM

The SEOR produces shop

drawings that are, by definition,

consistent with the design intent.

The shop drawings can be

furnished to the supplier at the

time the contract is awarded.

(RE: Cape Girardeau, Denver

Health, USC, and Toledoprojects)

A bonus is that constructibility

conflicts are trapped andcorrected during design. The

EOR starts including

constructibility as a basis of

design.

C i H ll d T l d OH


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Challenge: 10 Rouge fill & fast schedule

Enabling Concepts

Single pile foundations

Prefabricated 5-piece cages detailed for quick install.

Casino HollywoodToledo, OH

Single Pile Foundations


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The process is cumbersome,

fraught with opportunities for

miscommunication, conflict,and abuse.

IPD with HiDef BIM

The process is set up around the

need to efficiently manage

change while maintaining aproductive construction

operation. Design IS the process

of managing change until the

optimum design is arrived at. In

modern projects, the structurealways goes first, so managing

change is essential to the art of

structural engineering. The best

way to manage change is to

minimize the length of the supply

chain.

D H lth P ili M


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Design Build Team:Mortenson ConstructionHeery International Architecture

Martino & Luth Structural Engineers

Four Story + Basement115,000 Square Feet of

Structured Space

Outpatient Dialysis

Outpatient Procedure

Administration

Adolescent Psychiatry

Underground Parking

First Floor Parking

Photo by Joel Eden

Denver Health Pavilion M:A Renaissance in Project Delivery


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Martino and Luth:

SEOR

Full Structural HiDef

BIM Model

3D Rebar Shop

Drawings

3D Light Gauge

Curtain Wall Shop

Drawings

Photo by Joel Eden

Contracts:

With Heery:SEOR, Full Structural Model

With Mortenson:

3D Rebar & 3D Light Gauge Shop Drawings


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Material Takeoffs at

DD

Detailed StructuralModel Allows Accurate

Estimating

Steel includesConnections

Concrete Planter

Boxes and Built Up

Column BasesModeled


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Structural Model Sent

To Steel Fabricator

Zimmerman Metals

Also on HiDef BIM

Shop Drawing

Creation Faster and

Easier


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3D Rebar Detailing

Rebar Take off At DD

Rebar Bar Lists for

Fabrication

Rebar Field

Placement Drawings

for Rodbusters


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Rebar Takeoffs At DD

DD Quantity375

TonsUsed to Signunit price Contract

Shop Drawing

Quantity365 Tons (-2.6% from DD)

Final Delivered

Quantity 372 Tons (-

0.8% From DD, +1.9%

from Detailed


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Rebar Bar Lists for Fabrication (Typical Foundation Wall Shown)

M&L worked with Rio Grande to produce a Bar List that wasCompatible with their process.

Fabricator Redlined and Checked our Bar list, vice versa from

Normal


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Rebar Placement DrawingsTyp Elevated Slab


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3D HiDef BIM Light

Gauge Shop Drawings

Full Member Material

Takeoff

Discover Curtain Wall

Issues Prior toConstruction

Coordinated,

Constructible ShopDrawings


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Coordinated

Constructible ShopDrawings

Produced Directly

From the Model

Every Member

Modeled as it is and

where it will go


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Typical Light Gauge Wall Elevations

Project Delivery Benefits


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Project Delivery Benefits

More Realistic Analysis of Volumetric and Layout

Based Design RequirementsWater Retention

Accurate B.O.M. during Design Phase

Shared Model with Steel Fabricator

Virtually Installed Rebar Prior to Actual Construction

3D Rebar Shop Drawings

Virtually Installed Structural Curtain Wall Prior to ActualConstruction3D Exterior Light Gauge Shop

Drawings.


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HiBIM - Implementation Challenges

How are the services contracted?

What does it do to project communications?

How does it change liabilities?

How much does it cost?


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IPD and HiDef BIM Concluding Remarks from an ArchitectsPerspective Cliff Bourland

A more expansive view is required. IPD doesnt start with design

and it doesnt end with construction. We need to elevate our goals.

Life Cycle savings should match those of construction. For

example stop building throw away buildings

We can design efficient buildings that can be managed

efficiently, but only if the knowledge is passed from one

phase to the next.

Means and methods is not just about construction. The

owner needs a Users Manual. And the general contractor

is in the best position to provide it.

Copyright Gregory P. Luth & Associates


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Our objective is to produce as the deliverableproduct of the designa model with sufficient

detail and data to facilitate Lean Constructionand Functional Integrated Project delivery

today, using technology that is scalable to

support Life Cycle Facility Management

processes in the future.


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.

Contribution to Life Cycle Cost

5% controls the other 95%


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IPD in the old days Life Cycle?


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Historical Context Tramway Building


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Historical ContextTramway Building

Construction Complete, February 6, 1911 The completed building includes the 8 story tower in foreground as well as a

concert hall and bowling alley housed in the pop up immediately behind thetower. The construction was completed in 11 months by Whitney-SteenEngineers and Builders. By the time the photos were archived, Whitney-Steenhad dropped the word Engineers from their name.


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USC PIIBuilding B Pivoting Wall Model, Shop Drawings, & Constructed


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Performance Based EarthquakeEngineering (PBEE)

CanBecome

Performance Planned

Non - Catastrophic Engineering (PPNCE)

We can do better than designing sacrificial

structures in order to preserve life safety

We can and should design to control losses


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The World can no longer tolerate anything

but the very best design and construction.

We cannot afford less.

Natural disasters cost a record $380

billion in 2011

HiDEF BIM can propel the industry to achieve

better results


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Performance Based Engineering

Performance-

based engineering is the design, evaluationand construction of engineered facilities that meet, as

economically as possible, the uncertain future demands

that both owner-users and nature will put upon them. The

premise is that performance levels and objectives can be

quantified, that performance can be predicted analytically,and that the cost of improved performance can be

evaluated, so that rational trade-offs can be made based

on life-cycle considerations rather than construction costs

alone.


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20% OF THE WORLD POPULATION lives in or near an earthquake zone.MORE than 70% of that percentage is in poverty level socio-economicclasses.


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More than 65 Million Americans live in Tornado Alley


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The Construction Model is the Facilities Management

Model

Lease

Mgmt

Space

Mgmt

Asset

Mgmt

Facility

MgmtConstructionDesign

Capital

Planning

Construction/

Capital Projects

Operations &

Maintenance

Knowledge amassed through operating and

maintaining the portfolio

Operational Wisdom

applied to next design

People Process Systems

O&M Guidelines/Requirements,

Operational Standards

As Built Intelligence &

Building Performance Proforma

Integrating people, processes and systems throughout the building lifecycle creates the

opportunity for portfolio value optimization.


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Thank you for your time.

Questions?

[email protected]

415 310 5955

Gregory P. Luth & AssociatesStructural Engineers and Builders
mailto:[email protected]:[email protected]

hidef bim and seor supplied shop drawings

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