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An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM...

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An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming HKIBIM-CIC BIM Conference 2014 Date: 29-Oct-2014 (Wed) Time: 9:30 a.m. – 5:00 p.m. Venue: Room 201 B & C, Asia World Expo, Hong Kong International Airport, Lantau, Hong Kong Organizers: The Hong Kong Institute of Building Information Modelling (HKIBIM) http://www.hkibim.org Co-organizers: The Construction Industry Council http://www.hkcic.org HKTDC Hong Kong International Building and Hardware Fair http://www.hktdc.com/fair/hkbdh-en/HKTDC-Hong-Kong-International-Building-and-Decoration-Materials-and-Hardware-Fair.html The HKIBIM - CIC BIM Conference 2014 is the 5th Annual Conference organized by the Hong Kong Institute of Building Information Modelling (HKIBIM). It is the premier annual event for experienced AEC professionals to demonstrate the practical use of Building Information Modelling (BIM) processes using real cases. The speakers will illustrate lessons learned in practical projects so that others can improve their efficient use of BIM and advance practical knowledge.
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Working with Existing Infrastructure DISCIPLINE STEENSEN VARMING If a building becomes architecture, then it is art. Clearly if a building is not functionally and technically in order, then it isn’t architecture either, it’s just a building. Arne Jacobsen Mechanical Engineering Lighting Design Sustainable Design Electrical Engineering Copenhagen London Sydney Hong Kong New York Ryesgade 23, 2200 Copenhagen N, Denmark CVR 34 48 88 35 t : +45 / 50 99 10 10 e : [email protected] steensenvarming.com Replace background with full bleed image Sydney October 2014 Ref. no. 00630-01 Presented by Chris Lock October 2014
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Page 1: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

Working with Existing Infrastructure

DISCIPLINE STEENSEN VARMING

If a building becomes architecture, then it is art. Clearly if a building is not functionally and technically in order, then it isn’t architecture either, it’s just a building. Arne Jacobsen

Mechanical EngineeringLighting DesignSustainable DesignElectrical Engineering

CopenhagenLondonSydneyHong KongNew York

Ryesgade 23,2200 Copenhagen N, DenmarkCVR 34 48 88 35t : +45 / 50 99 10 10e : [email protected]

steensenvarming.com

Replace background with full bleed image

Sydney October 2014Ref. no. 00630-01

Presented by Chris LockOctober 2014

Page 2: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Steensen Varming are a Danish engineering firm

that established its Sydney office in 1973

�In April this year the firm launched its Hong Kong

Studio

�Steensen Varming operates around the ”One

Global Studio” business model

“If a building becomes architecture, then it is art. Clearly if a

building is not functionally and technically in order, then it

isn’t architecture either, it’s just a building.”

— Arne Jacobsen

Introduction

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Page 3: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Documentation was developed by hand in the past,

each iteration being quite time consuming

�3D models are not a new approach. Models have

been used to communicate design in the past and

are still used today

Introduction

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Page 4: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Existing Infrastructure Projects can extend from an

expansion on an existing building to a design of a

shopping plaza

�Our portfolio has a significant component of

culturally based infrastructure, most of which is

existing

�Managing existing infrastructure based projects

continues to be a challenge even today

�The Problem?

�Documenting Existing components

�Stakeholders designing in different formats

Existing Infrastructure

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Page 5: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Current Industry expectations are generally driven

by cost and there is a perception this is achievable in

vector based packages

�Clients want to minimise risk. Vector based

approach to existing elements is a poor approach to

achieve this

�Establishing clear BIM interfaces with existing

elements in the design phase can drastically

improve how we design intergration into existing

systems

Can We Use BIM to Document Existing Infrastructure?

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Page 6: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�BIM can identify

�where risk exists

�design changes before construction

�high level quantity and cost control with existing

systems

� legacy data for intergration into FM systems

�Results of BIM intergration are significant. This is

particularly prevalent in the construction phase

�Delivering a BIM that articulates a new design, and

also existing components can provide a pathway for

more sophisticated organisational FM

Can We Use BIM to Document Existing Infrastructure?

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”If a building is worth building,

its worth building twice, one

digitally during the design

process and again physically

during the construction process”

Page 7: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Current BIM development strategies with existing

Infrastructure extend to utilising as built drawings to

carrying out site surveys.

�Where do you start? How accurate is the As Built

data? Developing auditing systems to address this

can be time consuming and often inaccurate.

�Laser Scanning can provide a robust, cost effective,

and adaptable alternative

How to build a BIM- Is the Information you have current?

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Page 8: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Laser Scanning is a process of rapid data capture

�Laser scanning works by capturing a matrix of

physical data in xyz format.

�Data capture speed varies dependant on structure

complexity

�Primary costs in a Laser Scanning is labour

dependant

Laser Scanning

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Page 9: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

�Generally any area can be scanning.

�Scanning is limited by line of site.

�Laser Scanning can dangerous to eye sight with

certian units. Safe work method statement should

always be established

�Time involved in the whole process is dependant of

space complexity and density of elements

Laser Scanning

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On-site Scanning

Post Production

Scan Registration

Post Production

Project AuditPSC into BIM

Page 10: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

steensenvarming.com

STEENSEN VARMING

�Laser Scan outputs are a collection of many points.

Please remember a Laser scan is not a BIM.

�Building a BIM from a PCS can be a time consuming

process. A plan must be established initially with

clear objectivies and Level of Detail (LOD) agreed.

�PCSs are not a survey. Control can be inserted to

establish desired tolerence

Integrating a Laser Scan (PCS) into a BIM

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Page 11: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

�Good work practices of utilising PCS in a BIM

�Establishing well founded control from a

surveyed location.

� Register key scans first, then populate

additional scans to limit tolerence creep

�Managing the data. Always export as seperate

scans to enable better control in a BIM.

�Point extraction tools can greatly assist in BIM

conversion however the process is still and

elements by element process.

Integrating Laser Scans (PCS) into a BIM

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Page 12: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

�Rapid data extraction

�Data is derived from modelled elements

drastically reducing error in tabulation

�Data is dynamic- reverse feeding information

back into the model from tables and schedules

�Information is available dynamically across

disciplines

�Modelled elements can be used for

computation

�Carry out Quality checking using ROT’s (Rule of

Thumbs)

Leveraging a BIM for Design

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Page 13: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

�Rapidly communicating design intent

�QS take offs and accurate quantities

�Design integration and validation

�Facility to re-design components with inbedded

engineering data

�Latitude to provide alternative solutions in a more

rigid and transparent format

Contractor Engagement

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Page 14: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

�Setup drawings once, leverage BIM to detail

changes

�Extract data once. Establish area, size, space and

populate to Engineering data across all disciplines

�Update information in a tabulated format and realise

changes in all linked areas

�Utilise the model for Engineering calculations

�Rapid extraction of data and analisis of BIMs

�Leverage for manufacturing, extract to CAD/Cam

format, ability to develop DfM (design for

Manufacture)

�Deliver BIM for FM.

Efficiencies in the BIM Process

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Page 15: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

Case Study

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Page 16: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

Gladesville Bridge

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�Project Description

�Third Major bridge in Sydney Harbour

�Fiftieth Anniversary in September this year

�Currently the super structure is unlit

�Project was to provide lighting to the super

structure during the Anniversary Celebrations

�No drawings or surveys available

�Quick turn around project with a low fee.

Page 17: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

Page 18: An Examination into BIM Feasibility: Working with Existing Infrastructure Mr. Chris Lock, BIM Manager, Steensen Varming

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STEENSEN VARMING

In Conclusion

• Establish a clear approach to what will be documentated

• Note limitations and how risk will be managed

• Take care to ensure current information is accurate

• Consider new techniques such as Laser Scanning

Existing Infrastructure

Contact Hong Kong

Chris Arkins

Hong Kong: Room A, 10/F

3 Connaught Road West,

Hong Kong

+852 8193 2992


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