BrisBIM Gathering, August 2017BrisBIM

BIM IN TUNNELLING BIM information content management for major underground projects

Martin Lah

BIM Implementation planning

„Behind the Scenes“

Content

▪ Strategy (Austria, Slovenia)

▪ EIR, BEP (Roles, processes, LOD, IT infrastructure)

Start of activities: 2014 2016

No. of involved companies: 9 3

No. of partial models: 160 29

3D BIM and Coordination:

4D BIM:

5D BIM:

6D BIM:

LoD: 300 - 400 300

LoI: 400 500

Summary of BIM related activities

INFRA BIM DATA

STRUCTURE

Research project

IFC INFRAIFC ROAD

IFC RAIL

IFC BRIDGE

IFC TUNNEL

PLATFORM 4.0ASI, ÖBV, OIAV, FMA

BIM PILOT PROJECTSINFRASTRUCTURE, TUNNELLING

GR

AN

ITZT

AL

TUN

NEL

RA

ILW

AY

STAT

ION

LA

VA

NTA

L

KARAVANKE TUNNEL

DesignConstruction

TRADITIONAL APPROACH

BIM METHODOLOGY

Operation

3D BIM, Coordination

6D BIM

EIR, BEP

The StrategyAUSTRIAN SIDE

The StrategySLOVENIAN SIDE

KARAVANKE TUNNEL

TRADITIONAL APPROACH

BIM METHODOLOGY

Operation

3D BIM(Design team)

BIM STRATEGY, EIR

Execution

4D, 5D BIM(Design team)

4D, 5D BIM (Contractor)

3D BIM(Design team)

?

4D, 5D BIM(Supervision)

BIM EXECUTION PLAN (BEP)

Projectassignment

Design phase

BIM COORDINATION

BIM implementation planning – EIR, BEP

▪ Identification of project goals and BIM Uses

▪ Project organization (BIM specific roles)

▪ Definition of processes for identified BIM uses

▪ LOD Definitions (LoD, LoI, LoC)

▪ Collaboration protocol

▪ Quality control

▪ IT infrastructure

▪ Modelling guidelines

▪ BIM Deliverables

Project organization

BIM Manager

BIM Overall coordination

BIM Discipline/Trade

coordination

Definition of processes

Input data Process

Project phase

Responsible party

Reference to detailed process maps

Output data

▪ BIM Overview process map

▪ Detailed process maps for each BIM Use (BIM Coordination, Revision, QTO, 4D, 5D, etc.

Definition of processes (BIM Coordination)

LOD Definitions

LOD Definitions (DARS)

LODsElements Responsibility Attributes

LOD Definitions (DARS) IFC TUN Data Structure (ASFINAG)

IFC Rail – ChinaIFC Road – KoreaIFC Infra OverallArchitecture

+

=

Partial ModelsElementsAttributes

bSI RAIL/ROAD comparisonPROF. BORRMANN TU München

IFC TUN Data Structure (Implementation to IFC 2x3)

bSI INFRA OVERALL ARCHITECTURE (Spatial elements)

3 „Classification“ attributes (TUNNEL)

▪ Discipline: TUNN

▪ Element: IfcInnerlining

▪ Type: ABUTMENT

Currently 478 unique elements are defined

IfcBeam

IfcBeamIfcBeam

IfcBeamIfcBeam

?

Are we using OPEN BIM or CLOSED BIM approach?

IFC, BCF

CLOSED BIMUse only

CLOSED BIMUse only

CLOSED BIMUse only

IT infrastructure

CLOSED BIM

CLOSED BIM