Level of Definition and Objects

BIM LOD (Level of Definition)

Scott Berry and Shaun Coomber

2D

So BIM - a world of pain and confusion?

PAS 1192-2:2013

GIS

3D

4D

5D

6D

MIDPTIDP

BEP

CAWSDPoW

CIC

COBie

CPIx

EIRs

AIM

GUID

IFC

SaaS

LADAR

LOD MIDI

PIM

PIP

WIP

COMIT

QTO

Context – defining information

Mobile Flat

UndergroundBonnet

Trainers

Post

Cell Apartment Sneakers

Hood Subway Mail

[email protected] www.applecoredesigns.co.uk Software: +44 (0) 121 447 7747 Services: +44 (0) 121 447 7788

Context – what do you see?

▪ Double Doors?

▪ Double Doorset?

▪ Fire-rated double doorset?

▪ Something else......?

▪ Dortek Hygenic Hinged Doors – Fire Rated


PAS 1192-2 – Highlights

▪ Working to industry standards

▪ Employers Information Requirements

▪ Pre-Contract BIM Execution Plan

▪ Post-Contract BIM Execution Plan

▪ Common Data Environment

▪ Standards, Methods & Procedures

▪ Information model


PAS 1192-2 – Key requirements

• Employers Information Requirements (EIRs)– What, When, How

• BIM Execution Plan (BEP)– Design Responsibility Matrix

• Master Information Delivery Plan (MIDP)– Information Required Schedule


PAS1192-2:2013 - Information

▪ Efficient working through defined information requirements

▪ In the UK this is defined by LOD

▪ LOD = Level of Definition in PAS 1192-2


UK Digital Plans

9

4. Technical Design

3. Developed Design

5.Construction6. Handover and Close Out

7. In Use0. Strategic Definition

2. Concept Design

1. Preparation and Brief

4. Design3. Definition5. Build and Commission

6. Handover and Close Out

7 Operations and End of Life

0. Strategy 2. Concept1. Brief


Stage 2 Concept

▪ Stage 2

▪ Information - there is a chair

Description

Office Chair

Width

Depth

Height

Manufacturer

Model

Purchase Date


Stage 3 Definition

▪ Stage 3

▪ Information – no change

▪ Detail - there is a chair that has nominal space requirement of 700 x 700

Description

Office Chair

Width

700

Depth

700

Height

Manufacturer

Model

Purchase Date


Stage 4 Design

▪ Stage 4

▪ Information – no change

▪ Detail - there is a chair of a certain size with arm rests and wheels

Description

Office ChairArms, Wheels

Width

700

Depth

450

Height

1100

Manufacturer

Acme Chair Company

Model

Office 2000 Range

Purchase Date


Stage 5 Build and Commission

▪ Stage 5

▪ Information - manufacturer and model type

▪ Detail – specific dimensions

▪

Description

Office Chair

Width

685

Depth

430

Height

1085

Manufacturer

Acme Chair Company

Model

Office 2000 - Mirra

Purchase Date


Stage 6 Handover and Close Out

▪ Stage 6

▪ Information -manufacturer serial number, supplier, date purchased

▪ Detail – location of asset

Description

Office Chair

Width

685

Depth

430

Height

1085

Manufacturer

Acme Chair Company

Model

Office 2000 - Mirra

Purchase Date

23/09/2016


Information through the life of asset

▪ Think about peaks and troughs of information flow but don’t lose the data!!

Graphical Model

Non-Graphical Data

Documentation

Graphical Model

Non-Graphical Data

Documentation


Common Platform (OPEN BIM)

Everyone uses their own language with a common interpreter

UN

IFC


Common Platform (OPEN BIM)

“Our final vision for the delivery of this information will be a fully web enabled transparent (to the user) scenario, based on the Building Smart IFC (Industry Foundation Classes) IDM (Information Delivery Manual) and IFD (International Framework Dictionary) standards.” BIS BIM Strategy


The Federated ModelAuthoring Software

1

Authoring Software

2

Authoring Software

3

Contract drawings

and specs.

SpreadsheetCOBie

IFC Federated Model

dPOW Check

IFC

IFC B

CF

FM MVD DIRECT TO FM TOOL


Please remember - the whole purpose of BIM is….

the right information....

in the right format....

to the right people....

at the right time.

BIM Authoring and DataLive

Education

Level of Definition and Objects