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Structure and Conceptual Model

Principles for the Swedish Transport Administration information systematics

2014-11-20Anders Ekholm

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The Structure and Conceptual Model project• The Swedish Transport Administration (Trafikverket) is the Government agency

responsible for the long-term planning of the transport system. Trafikverket is also in charge of the state road network and national railway network.

• Trafikverket shall implement a common co-ordinated information systematic• The systematic shall be used

– For describing resources, processes, results and properties of interest– Throughout the whole chain of planning, design, production and asset

management of Trafikverket’s road and railway network– Both for BIM and for established applications in the processes

• The work includes classification of every object of interest for defining requirements, in planning, design, production, and asset management

• The work will be carried out in sector wide cooperation with leading companies.

• The new systematics will replace the current BSAB 96

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The Swedish Construction and Facility Management sector

• The Swedish C/FM-sektor consists of – 3 200 contractors, – 700 architect and consultancy companies, – 17 000 real estate companies,– 1 000 material producers,– 290 municipalities.

• Ability to co-operate• Ability to improvise• A common language – based on classification• Information technology – a tool

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Building classification - applications• Urban Planning• Programming• Design• BIM• Specification• Drawing and object

encoding• Quantity calculation• Costing• Production planning • Materials

management• Construction

Product Information• Management

Informationsleveranser i samhällsbyggandet

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BIM

FörvaltningFysisk planering, utredning Projektering(programhandlingar, systemhandlingar, bygghandlingar) ProduktionsplaneringBefintliga förhållanden Produktion

PRODUKTION

PROJEKTERINGUTREDNINGARPLANSKISSER

KALKYLER

BEHOV

ANALYS, KRAVSTÄLLNING

UTREDNINGARPLANSKISSERKALKYLERING

BESLUT

Om planbehövs

PLANUNDERLAG

DETALJPLANARBETSPLAN

JÄRNVÄGSPLANBESLUTGEODATA

GEODATA

MILJÖKRAV M.M.

MILJÖKRAV, FUNKTIONSKRAV

M.M.

ANALYS, KRAVSTÄLLNING

KRAV-STÄLLNING

BERÄKNINGARKALKYLERING

DESIGNKONSTRUKTION

EU-DIREKTIV

HUS- OCH ANLÄGGNINGS-

DATA(”BEF SIT”)

KRAV-STÄLLNING

”BEF SIT”GEODATAPLANDATA

PLANERINGPRODUKTION

MILJÖKRAV M.M.

MILJÖKRAV, FUNKTIONSKRAV

M.M.

EU-DIREKTIV

+ DATA OM BYGGNADS-

VERKET

KALKYLERINGPLANERING

REVIDERINGAR

+ DATA OM PLANERAT

UTFÖRANDE

ANALYS, KRAVSTÄLLNING

KRAV-STÄLLNING

KRAV-STÄLLNING

GRANSKNING

FörfråganAnbud

BYGGLOVS-HANTERING BESLUT

PRODUKTIONLEVERANS

PRODUKTION

REVIDERINGAR

+ DATA OM BYGGT

UTFÖRANDE

Beställning / Leverans

ANALYS, KRAVSTÄLLNING

HUS- OCH ANLÄGGNINGS-

DATA(NY ”BEF SIT”)

Förvaltningsdata

SKÖTSELUNDERHÅLL

REPARATIONER

Reklamationer,Garantier / Leverans

PRODUKTIONLEVERANS

KRAV-STÄLLNING

GEODATA

Fastighetsdata(nybyggnad)

GEODATA

Fastighetsdata (nybyggnad,ombyggnad, rivning)

Fastighetsdata(ombyggnad,

rivning)

GARANTI-ÅTAGANDEN

Förfrågan / Anbud

Beställning /Leverans

KRAV-STÄLLNING

VERKSAMHET

Beställning / Leverans

EU-DIREKTIVFrom SBUF report 12690 BIM Standardization Needs

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• The standard for building classification ISO 12006-2 has been revised to support e.g. BIM and new metods of construction procurement

• New status: ISO/FDIS 12006-2:2013

• Every part of a construction entity shall be classified according to the same principles of subdivision, i.e. function, form and/or position

• Enables mapping between national tables

ISO/FDIS 12006-2:2013

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News in ISO/FDIS 12006-2:2013

• The new definition of Construction elements supports existing classifications as well as applications within BIM.

• Before: ”construction entity part which, in itself or in combination with other such parts, fulfils a predominating function of the construction entity”.

• This definition only mentions function as subdividing property

• Now: ”constituent of a construction entity with a characteristic technical function, form or position”.

Wall?

Wall!

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Use function and general technical solution

• Use, including production, operation and maintenance, places demands on use functions of various types (load carrying capacity, privacy, climate, media, maintenance intervals, etc.).

• In the design of construction entities an assumption of a general technical solution that can satisfy use functions is made, e.g. a house, road or bridge, where construction elements with the intended function and shape has been determined.

• Examples include roofs, walls, floors and foundations for houses, roadway, hard shoulder and embankment for roads, and bridgeway and bridge structure for bridges, each with their use functions, shape, and position.

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Constructive function and detailed technical solution

• The detailed design is made as technical solutions for each of the construction elements

• These technical solutions are in turn composed of building elements, eg, trussed rafter, stud frame, precast concrete slab, bitumen bound surface course, in situ concrete bridge way construction

• Construction elements in detailed technical solutions have different constructive functions.

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Construction elements in different levels support design

• Construction elements: parts of construction entities with function, form and/or position

• Function: bonding relation between things. Function can be in relation to user activity and environment (use function) and to other construction elements (constructive function)

• Technical system: system of construction elements in construction entities with function for a user activity

– Technical systems can be subdivided into several levels of composition, where elements in a higher level may consist of elements in a lower level.

• Technical solution: a determined composition of construction elements.

– A general technical solution has determined construction elements in a higher level of composition, while elements in a lower level are undetermined.

– In a detailed technical solution also elements in a lower level are determined.

– Construction elements in a detailed technical solution may also be determined according to manufacture and assembly.

Technical system is an important addition realtive to ISO/FDIS 12006-2

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Exemples of construction elements in a general technical solution of Road Construction

(TS) Road construction

Middle verge

Verge VergeWalk and bicycle wayRoadwayRoadway Inner slope

Outer slope Edge stripInner slope

Edge strip

It is not necessary to assume a thickness for the Road construction to determine construction elements in the general technical solution, surface profile is enough.

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Examples of construction elements in a detailed technical solution of a road construction

Wearing courseBound base course

Unbound base course

Reinforcing layer

Protection layer

Subgrade Road bed

Slope construction

Wall

Slope construction Road body

Superstructure:

• The number of layers depends on the requirements on the technical solution

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Table structure

TS Road construction(road body+slope construction)

Level 1 types Level 2 types Level 3 types Level 4 types

Roadway

Walk and bicycle way

Walk way

Bicycle way

Verge

Slope

Edge strip

Noise screen

Wearing course

Bound base course

Unbound base course

Reinforcing layer

Protection layer

Vegetation layer

Road bed

Bitumen

Gravel

Makadam

Concrete block

Mortar

Soil

Plants

• Construction elements in level 2 can be part of Construction elements in level 1, etc.

• The levels represent increasing specification detailing• Construction elements in level 1 have use functions

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New systematic vs BSAB 96

• In the BSAB-system an external wall as a whole is not a class, but its constituents are construction elements (i.e. design is not supported fully)

• An external wall is one (1) class i the new systematic • In BSAB 96 internal walls belong to different classes depending on if they are load-bearing or non-load-

bearing. • This application hinders the use in digital models, where load-bearing is seen as a property of a wall rather

than as class distinguishing.

CE External wall

New systematic

42.B/20 External climatic envelopes in external walls – masonry, plaster42.C/42 Internal climatic envelopes in external walls – boards and wood studs or wood-based framing27.C/42 Loadbearing external walls - boards and wood studs or wood-based framing

44.C In situ finishing covering on walls

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New systematic vs BSAB 96

CE External covering: FSG.2, BC.111

CE Wall structure: HSD.113, HSD.111

CE Insulation: IBE.241

CE Internal covering: KBC.211

CE Internal finishing layer: LCS.2212

• Construction elements i several composition levels may be objects, e.g. ”External covering” in an external wall in a BIM.

• Production results specifying material and work of an element can be handled as properties.• Designed element according to the earlier standard is a construction element with determined

work results.

CE External wall

New systematic

42.B/20 External climatic envelopes in external walls – masonry, plaster42.C/42 Internal climatic envelopes in external walls – boards and wood studs or wood-based framing27.C/42 Loadbearing external walls - boards and wood studs or wood-based framing

44.C In situ finishing covering on walls

FSG.2 Brickwalls

KBC.111 Layers of plasterboards as wind shield

IBE.241 Thermal insulation of mineral wool between studs in external walls

HSD.113 Single stud frames of wood for walls HSD.111 Sleepers for posts, stud frames etc

KBC.211 Layers of plasterboard on studs in walls, columns etc. indoorsLCS.2212 In situ painting of walls, columns etc indoors

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Exemples of construction elements in TS Wall system

Wall system Level 1 types Level 2 types Level 3 types

Wall • External wall• Internal wall

External covering BricksMortarStudsMineral woolPlasterboardNails

Wall structure

Insulation

Internal covering

Surface finishing

Window FrameGlazingCasement

Door • Internal door• External door

FrameDoor blade

Gate

Hatch

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Classes in BIM-applications• In conjunction with BIM instances (information

objects) are created from schema classes, such as interior wall created with the wall tool. The instance is thus by definition a wall.

• The BIM application's tool classes are geometry objects; their classification as construction objects must be listed separately as a property.

• In practice, the BIM object "slab" can be used to create, besides slab, a table top, a ceiling, and an inner floor.

• In quantity calculation with BIM the designated classification is used in stead of instance class.

• In a BIM application for design the tool classes should be construction elements in general technical solutions that will enable the determination of construction elements and characteristics in more detailed technical solutions.

Construction objectx

y

z

x

y

z

ID

Reference-geometry

- part of- has parts - material- colour- weight- price- .....

Form

Classification

Properties

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”KLASADO” BSAB 2016

• The project is managed by BIM Alliance Sweden and Svensk Byggtjänst through a steering group which is already formed

• I styrgruppen föreslås att följande organisationer finns representerade: – BIM Alliance Sweden (ordförande)– Trafikverket– Svensk Byggtjänst– Sveriges Kommuner och Landsting (SKL)– Samverkansforum – Swedavia– Fastighetskontoret, Stockholms stad– Trafikförvaltningen, Stockholms läns landsting– Sveriges Byggindustrier– VVS-företagen– Svenska Teknik & Designföretagen (STD)

Styrgrupp

Samordnings-grupp

ReferensgruppSIS/TK 269

BSAB-rådetSystematik-

grupp

VentilationEl, belysning

och kraft

VA, VVS2 och kommunalteknik

Hus1

Vägar, gator, spårvägar, flygplatser utanför TrV

Vägar och järnvägar inom

Trafikverket

1: Byggnadskonstruktion och arkitektur.2: Inklusive brand.

ProcessmediaStyr, över-

vakning och signal