Structure and
Conceptual Model
TMALL 0141 Presentation v 1.0
Principles for the
Swedish Transport
Administration
information
systematics
2014-11-20
Anders Ekholm
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
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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
Building classification - applications
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From SBUF report 12690
BIM Standardization Needs
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Brukare (inkl.
allmänheten)
Befintliga förhållanden
Fysisk planering, utredning
KRAVSTÄLLNING
BEHOV
Förvaltare
Projektering
(programhandlingar, systemhandlingar, bygghandlingar)
Byggherrar
KRAVSTÄLLNING
ANALYS,
KRAVSTÄLLNING
Produktionsplanering
KRAVSTÄLLNING
Förvaltning
VERKSAMHET
KRAVSTÄLLNING
BESLUT
Produktion
SKÖTSEL
UNDERHÅLL
REPARATIONER
KRAVSTÄLLNING
ANALYS,
KRAVSTÄLLNING
GRANSKNING
KRAVSTÄLLNING
ANALYS,
KRAVSTÄLLNING
ANALYS,
KRAVSTÄLLNING
REVIDERINGAR
REVIDERINGAR
UTREDNINGAR
UTREDNINGAR
PLANSKISSER
PLANSKISSER
KALKYLERING
KALKYLER
HUS- OCH
ANLÄGGNINGSDATA
(”BEF SIT”)
BERÄKNINGAR
KALKYLERING
DESIGN
PROJEKTERING
KONSTRUKTION
PLANUNDERLAG
”BEF SIT”
GEODATA
PLANDATA
+ DATA OM
PLANERAT
UTFÖRANDE
KALKYLERING
PLANERING
Byggvaruproducenter och
leverantörer
Förfrågan / Anbud
PLANERING
PRODUKTION
GEODATA
DETALJPLAN
ARBETSPLAN
JÄRNVÄGSPLAN
BESLUT
MILJÖKRAV M.M.
BYGGLOVSHANTERING
BESLUT
Reklamationer,
Garantier / Leverans
Förvaltningsdata
Förfrågan
Anbud
+ DATA OM
BYGGNADSVERKET
Byggentreprenörer
BIM
Konsulter
Om plan
behövs
Kommunala
myndigheter
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Informationsleveranser i samhällsbyggandet
MILJÖKRAV M.M.
HUS- OCH
ANLÄGGNINGSDATA
(NY ”BEF SIT”)
+ DATA OM
BYGGT
UTFÖRANDE
PRODUKTION
PRODUKTION
Fastighetsdata
(ombyggnad,
rivning)
PRODUKTION
LEVERANS
GEODATA
EU-DIREKTIV
MILJÖKRAV,
FUNKTIONSKRAV
M.M.
MILJÖKRAV,
FUNKTIONSKRAV
M.M.
EU-DIREKTIV
EU-DIREKTIV
GARANTIÅTAGANDEN
Beställning / Leverans
Beställning / Leverans
PRODUKTION
LEVERANS
Fastighetsdata
(nybyggnad)
GEODATA
Fastighetsdata (nybyggnad,
ombyggnad, rivning)
Nationella
myndigheter
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Urban Planning
Programming
Design
BIM
Specification
Drawing and object
encoding
Quantity calculation
Costing
Production
planning
Materials
management
Construction
Product Information
Management
EU-direktiv
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GEODATA
Beställning /
Leverans
ISO/FDIS 12006-2:2013
• 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 120062:2013
• 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
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News in ISO/FDIS 12006-2:2013
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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!
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.
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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.
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Technical system is an important
addition realtive to ISO/FDIS 12006-2
Exemples of construction elements in a general
technical solution of Road Construction
(TS) Road construction
Edge strip
Verge
Inner slope
Roadway
Middle
verge
Roadway
Outer slope
Walk and Verge
Edge strip
Inner
slope
bicycle way
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
Slope construction
Road body
Superstructure:
Wearing course
Bound base course
Wall
Unbound base course
Reinforcing layer
Protection layer
Slope construction
Subgrade
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Road bed
The number of layers depends on the requirements on the technical solution
Table structure
TS Road
construction
(road
body+slope
construction)
Level 1
types
Level 2
types
Level 3
Roadway
Wearing course
Bitumen
Walk and bicycle
way
Bound base
course
Gravel
Walk way
Unbound base
course
Concrete block
Reinforcing layer
Mortar
Protection layer
Soil
Vegetation layer
Plants
types
Level 4
types
Makadam
Bicycle way
Verge
Slope
Edge strip
Road bed
Noise screen
• 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
42.B/20 External climatic envelopes in external walls – masonry, plaster
New systematic
CE External wall
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42.C/42 Internal climatic envelopes in external walls
– boards and wood studs or wood-based framing
27.C/42 Loadbearing external walls - boards and
wood studs or wood-based framing
44.C In situ finishing covering on walls
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.
New systematic vs BSAB 96
42.B/20 External climatic envelopes in external walls – masonry, plaster
42.C/42 Internal climatic envelopes in external walls
– boards and wood studs or wood-based framing
27.C/42 Loadbearing external walls - boards and
wood studs or wood-based framing
New systematic
44.C In situ finishing covering on walls
CE External wall
FSG.2 Brickwalls
KBC.111 Layers of plasterboards
as wind shield
HSD.113 Single stud
frames of wood for walls
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
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HSD.111 Sleepers for posts,
stud frames etc
IBE.241 Thermal insulation of
mineral wool between studs
in external walls
KBC.211 Layers of plasterboard
on studs in walls, columns etc.
indoors
LCS.2212 In situ painting
of walls, columns etc
indoors
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.
Exemples of construction elements in
TS Wall system
Wall system
Level 1
types
Level 2
Wall
• External wall
• Internal wall
External covering
Wall structure
Insulation
Internal covering
Surface finishing
Window
Door
Gate
Hatch
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Frame
Glazing
Casement
• Internal door
• External door
Frame
Door blade
types
Level 3
Bricks
Mortar
Studs
Mineral wool
Plasterboard
Nails
types
Classes in BIM-applications
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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.
Classification
ID
z
Referencegeometry
x
Construction
object
y
Form
z
x
y
Properties
- part of
- has parts
- material
- colour
- weight
- price
- .....
Styrgrupp
”KLASADO”
BSAB 2016
Samordningsgrupp
Referensgrupp
SIS/TK 269
BSAB-rådet
Systematikgrupp
Vägar och
järnvägar inom
Trafikverket
Vägar, gator,
spårvägar,
flygplatser
utanför TrV
VA, VVS2 och
kommunalteknik
Hus1
El, belysning
och kraft
Ventilation
Processmedia
Styr, övervakning och
signal
1: Byggnadskonstruktion och arkitektur.
2: Inklusive brand.
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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:
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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)

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