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BIMuk-Layer-Naming-Convention DRAFT 1.0

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DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Layer Naming Convention
This document as provided as is and may be used as a basis for companies or projects
wishing to implement a layer standard in accordance with BS1192:2007 and Uniclass.
The Layer documentation provided is an implementation of the layer standard as defined
within BS1192:2007 and incorporates CPIC’s Uniclass classification table 1.4 published
January 2011.
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DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Background
BIMuk comprises conventions, documentation and guidance on best practise for
incorporating BIM software and procedures into the AEC Industries within the United
Kingdom.
BIMuk brings together many UK standards already used within the Architectural,
Engineering and Construction Industries and provides conventions for how the standards
can be implemented for any company or project. Contributors to these standards include
authors of relevant British Standards, CPIC guidance documents plus lead individuals from
many companies in the forefront of BIM technologies in the UK.
This document is based upon the layering standard as defined within BS1192:2007, which is
the prevailing document relating to Layer Standards.
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Layer Convention
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Scope
This document provides guidance on the implementation of the BS1192:2007 Layer
standard using the Uniclass Classification system. Since the launch of the BS1192:2007
Standard there have been further developments in the relevant British standards including
the release of BS8541-2:2011.The requirements of this standard has led to the development
of additional presentation codes for layers that are available for use, if required.
BS1192:2007 mandates the use of Uniclass as the classification system to be used within
Layer names. The original implementation of the Element fields within Uniclass meant that
often the use of concatenated Uniclass codes was required in order to classify specific
elements.
CPIC have therefore carried out additional work within this area and have recently published
version 1.4 of Uniclass in January 2012 for the CPIx Layer Generator. This unifies tables G
(Elements for Building) and H (Elements for Civil) into one combined table G to enable the
classification of elements across both Building and Civil, whilst also removing the need for
concatenated codes. There has also been work on Table Z which provides a table for CAD
specific classifications.
This document provides guidance on how to implement a layering convention to comply with
the requirements of BS1192:2007 using the following:•
•
•
Uniclass Classification version 1.4.
Enhance Presentation codes for 3D modelling
Agreed Alias Convention for Uniclass version 1.4
It also provides further information regarding how the relevant layer fields defined within
BS1192:2007 shall be implemented whilst
For a more detailed description of the standard please refer to either BS1192:2007 itself or
the supporting documentation produced by the BSI and links can be found on the BSI web
site.
Uniclass is a classification system owned and developed by CPIC (http://www.cpic.org.uk/)
and the data presented in this document is based upon the Uniclass 1.4 version released in
January 2012. This is available from the CPIC web site and used within the CPIx Layer
Generator Tools.
Please check the CPIC website for the latest updates to the Uniclass standard.
Special Characters
To ensure compatibility and interoperability between CAD software the use of special
characters and spaces MUST NOT be used in any Layer naming conventions.
Therefore the following best practise should be followed:Only the letters (A to Z), hyphen (-), underscore (_) and numbers (0-9) shall be used in the
naming CAD Layers
.
• Spaces MUST NOT be used.
The following characters MUST NOT be used in any circumstances:• ,.◦ ! “ £ $ % ^ & * ( ) { }[ ] + = < > ? | \ / @ ’ ~ #¬ ` ‘
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Layer Convention
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Implementing the BS1192:2007 Layer Standard
BS1192:2007 allows only for the following fields to be included within any Layer Name:Field
Role
Name
Example
A
Architect
Classification /
Element
Presentation
- G23
Stairs (Uniclass)
- M2
Model Graphics
Alias
_ Stair
Text
There are various methods of implementing the Layer standard within BS1192 which has led
to inconsistences. Therefore to aid with a common approach CPIC have provided a tool on
their Web site to enable a common approach. This tool can be found at
http://cpionline.cpic.org.uk/FrmCPILayerGenerator.aspx
By following the contents of this document you should be able to create the same layer
standards using a manual process.
Layer Fields
The description below provides information relating to each of the fields in BS1192. Data
options for each of the fields is provided later within this documentation.
Field 1: Role (1 Char)
‘The Discipline who is the owner of the information’
This is a single Character code representing the role of the creator of the data produced.
BS1192:2007 provides a list of the disciplines which has been replicated later in this
document. A Hyphen (-) is used as a separator between the Field 1 Role and Field 2
Classification.
Field 2: Classification / Element (Variable)
BS1192:2007 mandates the use of Uniclass as the classification system to be used within
Layer names. A list of the Uniclass Tables F - Spaces, Table G – Elements for Building and
Civil and Table Z - Computer Aided Design are provide later in this document. A Hyphen (-)
is used as a separator between the Field 2 Classification and Field 3 Presentation.
Field 3: Presentation Codes (2 Char)
BS1192 allows for a definition of the graphics to be used to represent an object in either a
single or two letter codes. Where graphic representations are to be kept simple then the
single codes as defined within BS1192:2007 should be used.
To aid with BIM implementation, where further graphics control is required, a two character
code should be adopted Two Character codes definitions are provided later in this document
and include for additional presentation requirements as included with BS8541-2:2011. An
Underscore (_) is used as a separator between the Field 3 Presentation and Field 3 Alias.
Field 4: Alias
Description code to assist Layer Identification
The purpose of the Alias fields is to assist the identification of the building elements defined
by the classification system. To ensure the consistent use of the Alias field CPIC have
provided a standard list of Aliases to be used with each of the Uniclass classifications
included with Uniclass version 1.4. These are included with each table code. Underscores
are used to replace spaces within the Alias and any plurals are removed.
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Layer Convention
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Layer Name Examples
The following Wall examples demonstrate how layers could be used in Practice. Where
possible the minimum amount of layers should be used to aid the correct viewing,
presentation and collation of data. Therefore just the Simple Layer codes should be used in
most circumstances. Where there are complex drawings or where presentation requirement
further graphic refinement, then the complex layer codes should be used.
Simple Layer Codes
Layer Name
Description of Layer make up
A-G25-M_Wall
A-G25-A_Wall
Architect Wall for all model views
Architect Wall Annotation (Tags etc.,,,)
Complex Layer Codes
Layer Name
Description of Layer make up
A-G25-M_Wall
A-G25_MC_Wall
A-G25_MH_Wall
A-G25-MV_Wall
Architect Wall for Model Graphics (any view)
Architect Wall Model Cut plane (Section / Details)
Architect Wall for Hidden lines beyond cutting plane (BS8541-2:2011)
Architect Wall Visible items Behind / above the cut plane
(BS8541-2:2011)
Architect Wall Annotation (Tags etc.,,,)
A-G25-A_Wall
Typical Layer use examples
Some typical layer use examples are provided to demonstrate the application of the
convention:
Layer Name
Description of Layer make up
A-G321-M_Window
A-G321-A_Window
A-Z78-M_Mass
A-F2-A-Room
A-Z221-T_Text
Architect Window Model Graphics (Any view)
Architect Window Annotation (Tags etc.)
Architect Massing Objects
Architect Room Annotation (Tags etc.)
Architect General Text
M-G52-M_HVAC
M-G52-A_HVAC
Mechanical Engineer HVAC Model Graphics (any view)
Mechanical Engineer HVAC Annotation (Tags etc.)
S-Z81-M_Con
S-G262-M_Column
Structural Engineer Construction Lines
Structural Engineer Column Model Graphics
E-G55-M_COMM
E-G55-A_COMM
Electrical Engineer Communications Model Graphics
Electrical Engineer Communications Annotation (Tags etc.)
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Layer Convention
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Field 1: Role
The Role field defines the discipline for the owner of the information to be produced within
CAD.
There are specific implementation differences between fields such as 'Role' in the UK and
'Discipline' in the USA; Within BS1192:2007 the 'Role' field signifies the Author or Owner of
the information. Therefore when an Architect draws a column the layer 'Role' field must be
designated with the letter A for Architect.
In the USA the Layer Field refers to the 'Discipline' having responsibility for the object. So in
the USA the Architect would draw a column and the 'Discipline' field would be designated S,
passing the responsibility to the Structural Engineer.
In the UK each discipline only draws on the layers where the Role Field designates their
specific discipline. Therefore anything an Architect draws must be on a Layers commencing
with the letter A.
The following table is taken from BS1192:
CODE
Discipline
A
B
C
D
E
F
G
H
I
K
L
M
P
Q
S
T
W
X
Y
Z
Architects
Building Surveyors
Civil Engineers
Drainage Sewage and Road Engineers
Electrical Engineers
Facilities Managers
GIS Engineers & Land Surveyors
Heating & Ventilation Engineers
Interior Designers
Client
Landscape Architects
Mechanical Engineers
Public Health Engineers
Quantity Surveyors
Structural Engineers
Town & Country Planners
Contractors
Sub-Contractors
Specialist Designers
General (Non disciplinary)
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DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Field 2: Classification / Elements
A list of the Uniclass codes for version 1.4 correct as of January 2012 is provided here. This
includes tables F.G and Z which are considered the most appropriate tables for use within
Layer names.
Please refer to the CPIC website for a full listing of the codes available. Up to date codes
can be found using the CPIx Layer Generator tool at:
http://cpionline.cpic.org.uk/FrmCPILayerGenerator.aspx
It is also possible through the CPIC web site to request additional codes where the
appropriate item has not been previously defined. The link for this can be found at:
http://cpionline.cpic.org.uk/FrmCPIRequest.aspx
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Field 2: Classification Code (Uniclass V 1.4 Table F - Spaces)
Table G in Uniclass version 1.4 includes rationalised content from both the previous tables G
(Elements for Buildings) and Table H (Elements for Civil).
Code
Description
CAD Alias (Field 4)
F
F1
Spaces
Compound spaces of buildings
Semi-independent parts of a building,
blocks
Vertically divided parts of buildings
Wings
Bays
Core
Horizontally divided parts of buildings,
storeys
Sub-basement
Basement
Semi-basement
Ground floor
Mezzanine floor
First floor and above, but below
highest floor
First floor
Second floor
Third floor
Tenth floor
Eleventh floor
Ninety-ninth floor
Highest floor
Space beneath a sloping roof, attic
Space on top of a flat roof
Other compound spaces, zones
User functional departments
Rooms
Circulation spaces
Porches
Entrance halls, foyers
Atria
Central halls, lobbies
Stairs, lift shafts, escalators
Corridors
Internal balconies, galleries
External balconies
Gangways
Covered ways
Cloisters
Passages, alleys
Space
Space
F11
F12
F121
F122
F123
F13
F131
F132
F133
F134
F135
F136
F13601
F13602
F13603
F13610
F13611
F13699
F137
F138
F139
F19
F191
F2
F3
F311
F314
F317
F321
F324
F327
F331
F332
F334
F337
F338
F341
Space_Block
Space_Vertical
Space_Wing
Space_Bay
Space_Core
Space_Horizontal
Sub-basement
Basement
Semi-basement
Ground_floor
Mezzanine_floor
Upper_Floors
First_floor
Second_floor
Third_floor
Tenth_floor
Eleventh_floor
Ninety-ninth_floor
Highest_floor
Space_attic
Space_flat_roof
Space_compound_zone
Department
Room
Space_Circulation
Porch
Entrance_hall
Atria
Lobby
Vertical_Circulation
Corridor
Internal_balcony
External_balcony
Gangway
Covered_way
Cloister
Passage_alley
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F344
F351
F399
F4
F41
F42
F43
F44
F45
F5
F6
F61
F62
F63
F64
F65
F651
Layer Convention
F7
F71
F72
Crawlways
Air locks
Other circulation spaces
Building sub-spaces
Activity space
Working space
Occupied space
Alcoves, niches
Incidental space, voids
Internal spaces of buildings
External spaces of buildings
Courtyards, forecourts
Basement areas
Dry areas
Light wells
Terraces
Verandas
Building spaces by degree and type of
enclosure
Free space
Open space
F73
F731
Not covered, enclosed space
Partly covered
F74
F75
F8
F81
F82
F83
F84
F85
F89
F9
Covered, not enclosed space
Fully enclosed space
Miscellaneous spaces, other spaces
Fire compartments
Protected space
Private space
Public space
Danger area
Other spaces
Building space analysed
Building space analysed according to
ISO 9836:1992
Usable area
Circulation area
Services area
Structural element area
Gross area
Building space analysed according to
RICS and ISVA Code of measuring
practice
Net Internal Area
F91
F911
F912
F913
F914
F919
F92
F921
Http://www.BIMuk.org.uk
Crawlway
Air_lock
Space_Other_circulation
Building_sub-space
Activity_space
Working_space
Occupied_space
Alcove_niche
Space_void
Space_Internal
Space_External
Courtyard_forecourt
Basement_area
Dry_area
Light_well
Terrace
Veranda
Space_Building_Enclosure
Space_Free
Space_Open
Space_Not_covered_enclo
sed
Space_Partly_covered
Space_Covered_not_enclo
sed
Space_Fully_enclosed
Space_Misc
Fire_compartment
Space_Protected
Space_Private
Space_Public
Space_Danger
Space_Other
Area
Area_ISO_9836
Area_Usable
Area_Circulation
Area_Service
Area_Structural_element
Area_Gross
Space
Area_Net_Internal
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DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Field 2: Classification Code (Uniclass V 1.4 Table G Elements)
Table G in Uniclass version 1.4 includes rationalised content from both the previous tables G
(Elements for Buildings) and Table H (Elements for Civil).
Code
Description
CAD Alias (Field 4)
G1
G11
G12
G13
G14
G15
G151
G152
G1521
Site preparation
Site preparation Clearance
Site preparation Contouring
Site preparation Stabilisation
Site preparation Trench
Site preparation investigation
Site preparation investigation Boreholes
Site preparation investigation Test Pits
Site preparation investigation Test Pits
Porosity pits
Site preparation investigation Trenches
Site preparation Ground Measurement
Site preparation Ground Measurement
Piezometers
Site preparation Ground Measurement
Waterstrikes
Site_Prep
Site_Prep_Clearance
Site_Prep_Contouring
Site_Prep_Stabilisation
Site_Prep_Trench
Site_Prep_INV
Site_Prep_INV_Boreholes
Site_Prep_INV_Test_Pit
Site_Prep_INV_Test_Pit _Porosity_Pit
Fabric complete elements
Foundations
Foundations
Foundations Pier
Foundations Compensated
Foundations Pile Caps
Foundations Pile Caps Insitu concrete
Foundations Pile Caps Precast concrete
Foundations Piles
Foundations Piles Insitu concrete
Foundations Piles End bearing
Foundations Piles Friction
Foundations Piles Settlement reducing
Foundations Piles Tension
Foundations Piles Laterally loaded
Foundations Piles Infill
Foundations Strip
Foundations Raft
Foundations Pad
Foundations Cassions
Floors
Stairs
Roofs
Roofs Flat
Roofs Pitched
Fabric_complete_element
Foundation
Foundation_Other
Foundation_Pier
Foundation_Compensated
Foundation_Pile_Cap
Foundation_Pile_Cap_Insitu
Foundation_Pile_Cap_Precast
Foundation_pile
Foundation_pile_Insitu
Foundation_pile_End_bearing
Foundation_pile_Friction
Foundation_pile_Settlement_reducing
Foundation_pile_Tension
Foundation_pile_Laterally_loaded
Foundation_pile_Infill
Foundation_Strip
Foundation_Raft
Foundation_Pad
Foundation_Cassion
Floor
Stair
Roof
Roof_Flat
Roof_Pitched
G153
G16
G161
G162
G2
G21
G211
G212
G213
G214
G2141
G2142
G215
G2151
G2152
G2153
G2154
G2155
G2156
G2157
G216
G217
G218
G219
G22
G23
G24
G241
G242
Site_Prep_INV_Trenches
Site_Prep_GRD_Measurement
Piezometer
Waterstrike
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G243
G244
G245
G246
G247
G248
G25
G2501
G2502
G2503
G2504
G2505
G2506
G2507
G2508
G2509
G251
G2510
G25101
G25102
G25103
G25104
G25105
G25104
G25106
G25107
G25108
G2511
G2512
G2513
G2514
G2515
G2516
G2517
G2518
G2519
G252
G2520
G25201
G25202
G25213
G2521
G2522
G2523
Layer Convention
Roofs Mono-pitched
Roofs Lean to
Roofs Cable tension
Roofs Retractable
Roofs Prefabricated
Roofs Canopy
Walls
Walls Finish External
Walls Structure
Walls External Substrate
Walls Finish Internal
Walls Insulant
Walls Membrane
Walls Edge
Walls Parts
Walls Other
Walls External
Walls External Complete
Walls External Complete Brick
Walls External Complete Block
Walls External Complete Concrete
Walls External Complete Concrete Mass
Walls External Complete Concrete
Precast
Walls External Complete Glazed
Walls External Complete Drystone
Walls External Complete Drystone
Concrete Rubble
Walls External Complete Drystone
Natrural Stone
Walls External Finish External
Walls External Structure
Walls External Substrate
Walls External Finish Internal
Walls External Insulant
Walls External Membrane
Walls External Edge
Walls External Parts
Walls External Other
Walls Internal
Walls Internal Complete
Walls Internal Complete Brick
Walls Internal Complete Block
Walls Internal Complete Concrete
Walls Internal Finish External
Walls Internal Structure
Walls Internal Substrate
Http://www.BIMuk.org.uk
Roof_Mono-pitched
Roof_Lean_to
Roof_Cable_tension
Roof_Retractable
Roof_Prefabricated
Roof_Canopy
Wall
Wall_Fin_Ext
Wall_Struct
Wall_Sub
Wall_Fin_Int
Wall_Ins
Wall_Memb
Wall_Edge
Wall_Part
Wall_Outer_Other
Wall_Ext
Wall_Ext_Comp
Wall_Ext_Comp_Bwk
Wall_Ext_Comp_Blk
Wall_Ext_Comp_Conc
Wall_Ext_Comp_Conc_Mass
Wall_Ext_Comp_Conc_PC
Wall_Ext_Comp_Glazed
Wall_Ext_Comp_DryStone
Wall_Ext_Comp_DryStone
Wall_Ext_Comp_DryStone
Wall_Ext_Fin_Ext
Wall_Ext_Struct
Wall_Ext_Sub
Wall_Ext_Fin_Int
Wall_Ext_Ins
Wall_Ext_Memb
Wall_Ext_Edge
Wall_Ext_Part
Wall_Ext_Outer_Other
Wall_Int
Wall_Int_Comp
Wall_Int_Comp_Bwk
Wall_Int_Comp_Blk
Wall_Int_Comp_Conc
Wall_Int_Fin_Ext
Wall_Int_Struct
Wall_Int_Sub
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G2524
G2525
G2526
G2527
G2528
G2529
G253
G2530
G2531
G2532
G2533
G2534
G2535
G2536
G2537
G2538
G2539
G254
G2540
G2541
G2542
G2543
G2544
G2545
G2546
G2547
G2548
G2549
G255
G2550
G2521
G2492
G2523
G2524
G2525
G2526
G2527
G2528
G2529
G256
G2560
G2561
G2562
G2563
G2564
G2565
Layer Convention
Walls Internal Finish Internal
Walls Internal Insulant
Walls Internal Membrane
Walls Internal Edge
Walls Internal Parts
Walls Internal Other
Walls Partition
Walls Partition Complete
Walls Partition Finish External
Walls Partition Structure
Walls Partition Substrate
Walls Partition Finish Internal
Walls Partition Insulant
Walls Partition Membrane
Walls Partition Edge
Walls Partition Parts
Walls Partition Other
Walls Retaining
Walls Retaining Complete
Walls Retaining Finish External
Walls Retaining Structure
Walls Retaining Substrate
Walls Retaining Finish Internal
Walls Retaining Insulant
Walls Retaining Membrane
Walls Retaining Edge
Walls Retaining Parts
Walls Retaining Other
Walls Site
Walls Site Complete
Walls Site Finish External
Walls Site Structure
Walls Site Substrate
Walls Site Finish Internal
Walls Site Insulant
Walls Site Membrane
Walls Site Edge
Walls Site Parts
Walls Site Other
Walls Substructure
Walls Substructure Complete
Walls Substructure Finish External
Walls Substructure Structure
Walls Substructure Substrate
Walls Substructure Finish Internal
Walls Substructure Insulant
Http://www.BIMuk.org.uk
Wall_Int_Fin_Int
Wall_Int_Ins
Wall_Int_Memb
Wall_Int_Edge
Wall_Int_Part
Wall_Int_Outer_Other
Wall_Part
Wall_Part_Comp
Wall_Part_Fin_Ext
Wall_Part_Struct
Wall_Part_Sub
Wall_Part_Fin_Int
Wall_Part_Ins
Wall_Part_Memb
Wall_Part_Edge
Wall_Part_Part
Wall_Part_Outer_Other
Wall_Ret
Wall_Ret_Comp
Wall_Ret_Fin_Ext
Wall_Ret_Struct
Wall_Ret_Sub
Wall_Ret_Fin_Int
Wall_Ret_Ins
Wall_Ret_Memb
Wall_Ret_Edge
Wall_Ret_Part
Wall_Ret_Outer_Other
Wall_Site
Wall_Site_Comp
Wall_Site_Fin_Ext
Wall_Site_Struct
Wall_Site_Sub
Wall_Site_Fin_Int
Wall_Site_Ins
Wall_Site_Memb
Wall_Site_Edge
Wall_Site_Part
Wall_Site_Outer_Other
Wall_Sub
Wall_Sub_Comp
Wall_Sub_Fin_Ext
Wall_Sub_Struct
Wall_Sub_Sub
Wall_Sub_Fin_Int
Wall_Sub_Ins
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Layer Convention
Http://www.BIMuk.org.uk
G2566
G2567
G2568
G2569
G257
G2571
G2572
G2573
G2573
G26
G261
G2611
G2612
G2613
G2614
G262
G2621
G2622
G2623
G2624
G263
G2631
G2632
G2633
G264
G265
G266
G2661
G2662
G2663
G2664
Walls Substructure Membrane
Walls Substructure Edge
Walls Substructure Parts
Walls Substructure Other
Curtain Walls
Curtain Wall Framing
Curtain Wall Cladding Panels
Curtain Wall Cladding Units
Curtain Wall Cladding Grid
Frame isolated structural members
Beams
Beams Insitu concrete
Beams Precast concrete
Beams Steel
Beams Cast iron
Columns
Columns Insitu concrete
Columns Precast concrete
Columns Steel
Columns Mass concrete
Bracing
Bracing Insitu concrete
Bracing Precast concrete
Bracing Steel
Piers and abutments
Trestle
Bearings
Bearings Fixed
Bearings Sliding bearing PTFE
Bearings Roller
Bearings Elastomeric
Wall_Sub_Memb
Wall_Sub_Edge
Wall_Sub_Part
Wall_Sub_Outer_Other
Curt_Wall
Curt_Wall_Frame
Curt_Wall_Panel
Curt_Wall_Unit
Curt_Wall_Grids
Struct_member
Beam
Beam_Insitu_concrete
Beam_Precast_concrete
Beam_Steel
Beam_Cast_iron
Column
Column_Insitu_concrete
Column_Precast_concrete
Column_Steel
Column_Mass_concrete
Bracing
Bracing_Insitu_concrete
Bracing_Precast_concrete
Bracing_Steel
Pier_abutment
Trestle
Bearing
Bearing_Fixed
Bearing_Sliding_bearing_PTFE
Bearing_Roller
Bearing_Elastomeric
G3
G31
G311
G312
G32
G321
G3211
G3212
G322
G3221
G3222
G323
G3231
G324
Fabric parts of elements
Carcass structure fabric
Core fabric
Coverings external finishes
Openings
Windows
Windows External
Windows Internal
Doors
Doors_External
Doors_Internal
Openings
Openings_Arches
Combined Openings
Fabric
Carcass_structure_fabric
Core_fabric
Coverings_Ext_finish
Opening
Window
Window_Ext
Window_Int
Door
Door_Ext
Door_Int
Opening
Opening_Arch
Opening_Combined
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Layer Convention
Http://www.BIMuk.org.uk
G325
G33
G331
G3311
G3312
G332
G3321
G3322
G333
G334
G34
Rooflights
Internal finishes
Internal finishes Floors
Internal finishes Floors Direct
Internal finishes Floors Raised
Internal finishes Ceilings Soffit
Internal finishes Ceilings Soffit Direct
Internal finishes Ceilings Soffit Suspended
Internal finishes Wall
Internal finishes Other
Other parts of fabric elements
Rooflight
Int_Fin
Int_Fin_Floor
Int_Fin_Floor_Direct
Int_Fin_Floor_Raised
Ceiling
Ceiling_Soffit_Direct
Ceiling_Soffit_Suspended
Int_Fin_Wall
Int_Fin_Other
Fabric_Other
G4
G41
G411
G4111
Fittings furniture equipment FFE
FFE Circulation
FFE Circulation Access
FFE Circulation Access Depot and plant
equipment access
FFE Rest work
FFE Culinary
FFE Sanitary hygiene
FFE Cleaning maintenance CM
FFE Cleaning maintenance Depot
cleaning and maintenance
FFE Cleaning maintenance Depot
cleaning and maintenance Cleaning
equipment
FFE Cleaning maintenance Depot
cleaning and maintenance Equipment
maintenance
FFE Cleaning maintenance Depot
cleaning and maintenance De-icing
FFE
FFE_Circulation
FFE_CA
FFE_CA_Depot_plant_equip_access
FFE Storage screening
FFE Works or art and soft furnishings
FFE Works or art and soft furnishings
Works of art
FFE Works or art and soft furnishings Soft
furnishings
FFE Special activity
FFE Other
FFE Other General equipment
FFE Other General equipment Depot and
plant
FFE Other Monitoring equipment
FFE Other Monitoring equipment Track
based
FFE Other Monitoring equipment Test
equipment
FFE Other Workshop equipment
FFE Other Lifting equipment
FFE_Storage
FFE_WOAASF
FFE_Works_of_art
G42
G43
G44
G45
G451
G4511
G4512
G4513
G46
G47
G471
G472
G48
G49
G491
G4911
G492
G4921
G4922
G493
G494
FFE_Rest_work
FFE_Culinary
FFE_Sanitary
FFE_CM
FFE_CM__DCAM_
FFE_CM__DCAM_Cleaning
FFE_CM__DCAM_maintenance
FFE_CM__DCAM__De-icing
FFE_Soft_furnishing
FFE_SA
FFE_Other
FFE_Other_GEN_EQUIP
FFE_Other_GEN_EQUIP_Depot_plant
FFE_Other_MON_EQUIP
FFE_Other_MON_EQUIP_Track_based
FFE_Other_MON_EQUIP_Test_equip
FFE_Other_Workshop_equipment
FFE_Other_Lifting_equipment
14
DRAFT 1.0 January 2012
G5
G50
G501
G502
G503
G504
G51
G511
G5111
G5112
G5113
G5114
G5115
G5116
G512
G5121
G5122
G5123
G5124
G513
G5131
G52
G521
G5211
G5212
G5213
G522
G5221
G5222
G523
G5231
G5232
Layer Convention
Services elements
Water supply
Water supply Cold water
Water supply Hot water
Water supply Bore Hole
Water supply Water Reclamation
Gas and liquid supply
Gas supply
Gas supply Natural
Gas supply Liquefied petroleum
Gas supply Biogas
Gas supply Compressed air
Gas supply Medical
Gas supply Laboratory
Liquid fuel supply
Liquid fuel supply Diesel
Liquid fuel supply Petrol
Liquid fuel supply Fuel oil
Liquid fuel supply Biofuel
Steam supply
Steam and condensate
Heating ventilation and air conditioning
Heating
Heating Low temperature hot water
Heating Medium temperature hot water
Heating Steam
Cooling
Cooling Chilled water
Cooling Refrigerant
Heating and cooling
Heating and cooling Heat pump
Heating and cooling Variable refrigerant
flow
G5233
Heating and cooling Underfloor heating
and cooling
G5234
Heating and cooling Climatic ceiling and
beam
G524
Air conditioning
G5241
Air conditioning All air
G5242
Air conditioning Fan coil unit
G5243
Air conditioning Induction unit
G5245
Air conditioning Local
G5246
Air conditioning Air handling unit
G525
Ventilation
G5251
Ventilation Supply and extract
G52511 Ventilation Supply and extract Smoke and
Http://www.BIMuk.org.uk
Service_element
Water_supply
Water_supply_Cold
Water_supply_Hot
Water_supply_Bore_Hole
Water_supply_Water_Reclamation
Gas_liquid_supply
Gas_supply
Gas_supply_Natural
Gas_supply_petrol
Gas_supply_Biogas
Gas_supply_Compressed_air
Gas_supply_Medical
Gas_supply_Laboratory
Liquid_fuel_supply
Liquid_fuel_supply_Diesel
Liquid_fuel_supply_Petrol
Liquid_fuel_supply_oil
Liquid_fuel_supply_Biofuel
Steam_supply
Steam_condensate
HVAC
Heating
Heating_Low_temp_HW
Heating_Medium_temp_HW
Heating_Steam
Cooling
Cooling_Chilled_water
Cooling_Refrigerant
HC
HC_Heat_pump
HC_Variable_refrigerant_flow
HC_Underfloor_HC
HC_Climatic_ceiling_beam
AC
AC_All_air
AC_Fan_coil_unit
AC_Induction_unit
AC_Local
AC_Air_handling_unit
Ventilation
VSE
VSE_Smoke_heat_control
15
DRAFT 1.0 January 2012
G5252
G52521
G52522
G52523
G52524
G52525
Layer Convention
heat control
Ventilation Extract
Ventilation Extract Washroom
Ventilation Extract Kitchen
Ventilation Extract Car parking
Ventilation Extract Dust collection
systems
Ventilation Extract Safety cabinet and
fume cupboard extract systems
Http://www.BIMuk.org.uk
VE
VE_Washroom
VE_Kitchen
VE_Car_parking
VE_Dust_collection
VE_Safety_cabinet_extract
G52526 Ventilation Extract Industrial fume extract
systems
G52527 Ventilation Extract Tunnel ventilation
G5253
Ventilation Supply
G529
Heating ventilation and air conditioning
For special activity
G5291
Heating ventilation and air conditioning
For special activity Cold room
VE_Industrial_fume_extract
G5292
HVAC_FSA_Ice_pad
G53
G531
G5311
G5312
G5313
G5314
G5315
G5316
G53161
G53162
G532
G5321
G5322
G5323
G5324
G5325
G5326
G533
G5331
G53311
G5332
G53321
Heating ventilation and air conditioning For
special activity Ice pad
Electric power
Electric power supply
Electric power supply High voltage
Electric power supply Low voltage
Electric power supply Generator
Electric power supply Wind power
Electric power supply Photovoltaic
Emergency power supply equipment
Emergency power supply equipment
Local
Emergency power supply equipment
Central
Electric power Distribution
Electric power Distribution High voltage
Electric power Distribution Low voltage
Electric power Distribution Small power
Electric power Distribution Extra low
voltage power
Electric power Distribution Direct Current
power
Electric power Distribution Uninterruptible
power
Electric power Monitoring and control
Electric power Monitoring and control
measuring
Electric power Monitoring and control
measuring Metering
Electric power Monitoring and control
measuring Control
Electric power Monitoring and control
measuring Control Prevention
VE_Tunnel_ventilation
Ventilation_Supply
HVAC_FSA
HVAC_FSA_Cold_room
EP
EPS
EPS_High_voltage
EPS_Low_voltage
EPS_Generator
EPS_Wind_power
EPS_Photovoltaic
Emergency_power_supply_equip
Emergency_power_supply_equip_Local
Emergency_power_supply_equip_Central
EP_Distribution
EP_Distribution_High_voltage
EP_Distribution_Low_voltage
EP_Distribution_Small_power
EP_Distribution_Extra_low_voltage_power
EP_Distribution_Direct_Current_power
EP_Distribution_Uninterruptible_power
EP_MAC
EP_MAC_measuring
EP_MAC_measuring_Metering
EP_MAC_measuring_Control
EP_MAC_measuring_Control_Prevention
16
DRAFT 1.0 January 2012
Layer Convention
G534
Http://www.BIMuk.org.uk
Electric power Monitoring and control
Electrical terminals
G539
Electric power Monitoring and control For
special activity
G54
Electric power Lighting
G541
General lighting
G5411
General lighting Internal
G5412
General lighting External
G542
General lighting Emergency
G5421
General lighting Emergency Self
contained
G5422
General lighting Emergency Central
battery
G5423
General lighting Emergency Static inverter
G543
General lighting Monitoring and control
G549
General lighting For special activity
G5491
General lighting For special activity
Underwater lighting systems
G55
Communications
G551
Communications Public address
G5511
Communications Public address Voice
G5512
Communications Public address Music
G552
Communications Visual display
G5521
Communications Signs
G55211 Communications Signs Illuminated
G55212 Communications Signs Advertisement
G5522
Communications Visual display Signs
Clocks
G5523
Communications Visual display Public
address
G5534
Communications Visual display Railway
signals
G553
Communications Radio
G554
Communications Audio visual
G5541
Communications Audio visual Television
G5542
Communications Audio visual
Presentation and conferencing
G5543
Communications Audio visual Audio alert
G5544
Communications Audio visual Breakdown
broadcast message system
EP_MAC_Elect_Terminal
G555
G5551
COMM_Tele
COMM_Tele_phone
G556
G5561
G5562
G5563
Communications Telecommunications
Communications Telecommunications
Telephones
Communications Data networks
Communications Data networks
Computer network
Communications Data networks SCADA
systems
Communications Data networks
Fibreoptic networks
EP_MAC_FSA
EP_Light
Light
Light_Int
Light_Ext
Light_Emergency
Light_Emergency_Self_contained
Light_Emergency_Central_battery
Light_Emergency_Static_inverter
Light_MAC
Light_FSA
Light_FSA_ULS
COMM
PA
PA_Voice
PA_Music
VD
Sign
COMM_Sign_Illuminated
COMM_Sign_Advertisement
COMM_VD_Sign_Clock
COMM_VD_Public_address
COMM_VD_Railway_signals
COMM_Radio
AV
COMM_AV_TV
COMM_AV_Presentation
COMM_AV_Audio_alert
COMM_AV_Message_system
COMM_Data
COMM_Data_Computer
COMM_Data_SCADA_System
COMM_Data_Fibreoptic
17
DRAFT 1.0 January 2012
G557
Layer Convention
Http://www.BIMuk.org.uk
Communications Data networks
Transmitters and receivers
Communications Data networks Support
communication systems
Communications Data networks For
special activity
Communications Data networks For special
activity Induction loop
Communications Data networks For
special activity Infra-red
Communications Data networks For
special activity Sound field
Building transport systems
Building transport systems Lifts hoists
Building transport systems Lifts hoists
Personnel
Building transport systems Lifts hoists
Goods
Building transport systems Escalators and
moving walkways
Building transport systems Escalators and
moving walkways Escalators
COMM_Data_Transmitter
G5622
Building transport systems Escalators and
moving walkways Travelators
Travelator
G563
Building transport systems Escalators and
moving walkways Building transport
systems Conveyors
Building transport systems Escalators and
moving walkways Travelling cradles
Conveyor
Building transport systems Escalators and
moving walkways Travelling cradles
Gantries and ladders
Building transport systems Escalators and
moving walkways Travelling cradles
Travelling ladders
Building transport systems For special
activity
Building transport systems For special
activity Fire escape chutes and slings
Gantry_ladder
Building transport systems For special
activity Automatic goods storage and
retrieval
Fire security and protection (FSP)
Fire security and protection Security
Fire security and protection Security
Access control systems
BTS_FSA_Automatic_good
G5712
Fire security and protection Security
Intruder detection and alarm systems
FSP_Intruder
G5713
Fire security and protection Security
Closed circuit television systems
FSP_CCTV
G5714
Fire security and protection Security
FSP_Detection_arch_system
G558
G559
G5591
G5592
G5593
G56
G561
G5611
G5612
G562
G5621
G564
G5641
G5642
G569
G5691
G5692
G57
G571
G5711
COMM_Data_Support
COMM_Data_FSA
COMM_Data_FSA_Induction_loop
COMM_Data_FSA_Infra_red
COMM_Data_FSA_Sound_field
BTS
Lift
Lift_Personnel
Lift_Good
BTS_EMW
Escalator
Travelling_cradle
Travelling_ladder
BTS_FSA
BTS_FSA_Fire_escape
FSP
FSP_Security
FSP_Access
18
DRAFT 1.0 January 2012
G5715
G572
G5721
G5722
G57221
G57222
G57223
G57224
G57225
Layer Convention
Detection arch systems
Fire security and protection Security
Personal protection
Fire security and protection Fire
Fire security and protection Fire and
smoke alarms
Fire security and protection Fire
suppression
Fire security and protection Fire
suppression Fire hose
Fire security and protection Fire
suppression Fire hydrant
Fire security and protection Fire
suppression Dry riser
Fire security and protection Fire
suppression Wet riser
Fire security and protection Fire
suppression Sprinkler fire-extinguishing
Http://www.BIMuk.org.uk
FSP_Personal_protection
FSP_Fire
FSP_Fire_smoke_alarm
FSP_FS
FSP_Fire_hose
FSP_Fire_hydrant
FSP_Dry_riser
FSP_Wet_riser
FSP_Sprinkler
G57226 Fire security and protection Fire
suppression Deluge fire-extinguishing
FSP_Deluge
G57227 Fire security and protection Fire
suppression Water mist fire-extinguishing
FSP_Water
G57228 Fire security and protection Fire
suppression Gaseous fire-extinguishing
FSP_Gas
G57229 Fire security and protection Fire
suppression Foam fire fighting`
FSP_Foam
G5723
Fire security and protection Fire Smoke
extraction control installations
FSP_Smoke_extract
G5724
G5725
Fire security and protection Fire Detection
Fire security and protection Fire Fire
protection
Fire security and protection Other
protection
Fire security and protection Other
protection Lightning protection
FSP_Fire_Detection
FSP_Fire_protection
Fire security and protection Other
protection Cathodic protection
FSP_Other_protection_Cathodic
G573
G5731
G5732
G574
G5741
FSP_Other_protection
FSP_Other_protection_Lightning
Fire security and protection Safety
Fire security and protection Safety
Detection
G57411 Fire security and protection Safety
Detection Gas detection
G57412 Fire security and protection Safety
Detection Water leak detection
FSP_Safety
FSP_Detection
G5742
FSP_COMM
Fire security and protection
Communications
G57421 Fire security and protection
Communications Evacuation
G57422 Fire security and protection
Communications Assistance call
FSP_Detection_Gas
FSP_Detection_Water_leak
Evacuation
Assistance_call
19
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
G57423 Fire security and protection
Communications Incident call
G57424 Fire security and protection
Communications Nurse call
G575
Fire security and protection Alert system
G576
Fire security and protection Structural
surface protection
G579
Fire security and protection For special
activity
G58
Disposal systems
G581
Drainage
G5811
Drainage Foul Water
G58111 Drainage Foul Laboratory and industrial
waste disposal systems
G58112 Drainage Foul Soakaways septic tanks and
sewage treatment plant
G58113 Drainage Foul Pumping stations and
pressure pipelines
G58114 Drainage Foul Sewage pumping
G58115 Drainage Foul Sewage treatment and
sterilisation systems
G5812
Drainage Surface water
G58121 Drainage Surface water Ground water
pressure relief drainage
G58122 Drainage Surface water Rainwater
drainage systems
G58123 Drainage Surface water Land drainage
systems
G58124 Drainage Surface water Sewage
treatment systems
G58125 Drainage Surface water Constructed
wetlands
G582
Refuse disposal
G5821
Refuse disposal Centralised vacuum
cleaning systems
G5822
Refuse disposal Refuse chutes
G5823
Refuse disposal Compactors macerators
G5824
Refuse disposal Incineration plant
G589
Disposal systems For special activity
G59
Services elements Other
Incident_call
G6
G61
G611
G6111
G61111
Service_part
Source_energy
Heat_output
Heat_Generator
Boiler_Gas_oil
Services parts of elements
Source energy
Heat output
Heat output Heat generation
Heat output Heat generation Gas and oil
fired boilers
G61112 Heat output Heat generation Solid fuel
boilers
G61113 Heat output Heat generation Steam
boilers
Nurse_call
FSP_Alert_system
FSP_Structural_surface_protection
FSP_FSA
Disposal_System
Drainage
Drainage_FW
Drainage_FW_industrial_WDS
Drainage_FW_plant
Drainage_FW_Pumping_station
Drainage_FW_Sewage_pumping
Drainage_FW_Sewage_treatment
Drainage_SW
Drainage_SW_GRD_pressure_relief
Drainage_SW_Rainwater
Drainage_SW_Land
Drainage_SW_Sewage_treatment
Drainage_SW_Constructed_wetland
Refuse
Refuse_Centralised_vacuum_cleaning
Refuse_chute
Refuse_Compactor_macerator
Refuse_Incineration_plant
Disposal_System_FSA
Service_Other
Boiler_Solid_fuel
Boiler_Steam
20
DRAFT 1.0 January 2012
G61114
G6112
G61121
G61122
G612
G6121
G61211
G61212
G61213
G6122
G61221
G61222
G613
G6131
G6132
G614
G6141
G62
G621
G6211
G6212
G6213
G63
G631
G632
G6321
G6322
G6323
G633
G6331
G6332
G6333
G6334
G634
G6341
G6342
G6343
G6344
G635
Layer Convention
Heat output Heat generation Solar panels
Heat output Heat conversion
Heat output Heat conversion Calorifiers
Heat output Heat conversion Heat
exchangers
Electricity output
Electricity output Electricity generation
Electricity output Diesel generators
Electricity output Wind generators
Electricity output Solar generators
Electricity output Electricity conversion
Electricity output Electricity conversion
Transformers
Electricity output Electricity conversion
Converters
Cooling output
Cooling output Refrigeration plant
Cooling output Heat pumps
Cooling output Combined heat power
cooling
Cooling output Combined heat power
cooling plant plant
Non-energy treatment storage
Non-energy treatment storage Tanks
Non-energy treatment storage Tanks
Water
Non-energy treatment storage Tanks Gas
Non-energy treatment storage Tanks Fuel
Distribution
Distribution Ductwork
Distribution Pipework
Distribution Pipework Water
Distribution Pipework Gas
Distribution Pipework Fuel
Distribution Cables and cable containment
Distribution Cables and cable containment
Cables
Distribution Cables and cable containment
Conduit
Distribution Cables and cable containment
Trunking
Distribution Cables and cable containment
Cable tray
Distribution Pumps
Distribution Pumps Belt driven
Distribution Pumps Close coupled
Distribution Pumps Sump
Distribution Pumps Manual
Distribution Fans
Http://www.BIMuk.org.uk
Solar_panel
Heat_conversion
Calorifier
Heat_exchanger
EO
Electricity_generation
Diesel_generator
Wind_generator
Solar_generator
Electricity_conversion
Electricity_Transformer
Electricity_Converter
Cooling_output
Refrigeration_plant
Heat_pump
Power_cooling
Power_cooling_Plant
NEES
NEES_Tank
NEES_Tank_Water
NEES_Tank_Gas
NEES_Tanks_Fuel
Distribution
Ductwork
Pipework
Pipework_Water
Pipework_Gas
Pipework_Fuel
CACC
Cable
Conduit
Trunking
Cable_tray
pump
pump_Belt_driven
pump_Close_coupled
pump_Sump
pump_Manual
Fans
21
DRAFT 1.0 January 2012
G6351
G6352
G6353
G6354
G64
G641
G6411
G6412
G6413
G6414
G6415
G642
G6421
G6422
G6423
G643
G6431
G6432
G6433
G65
G66
G661
G662
G6621
G663
G69
G7
G71
G711
G712
G72
G721
G722
G723
G7231
Layer Convention
Distribution Fans Centrifugal
Distribution Fans Axial
Distribution Fans Roof mounted
Distribution Fans Mixed flow
Terminals
Terminals Heat emitters
Terminals Heat emitters Radiators
Terminals Heat emitters Fan convectors
Terminals Heat emitters Natural
convectors
Terminals Heat emitters Radiant panels
Terminals Heat emitters Unit heaters
Terminals Supply and extract ventilation
Terminals Supply and extract ventilation
Grilles
Terminals Supply and extract ventilation
Diffusers
Terminals Supply and extract ventilation
Louvres
Terminals Electrical
Terminals Electrical Luminaires
Terminals Electrical Power outlets
Terminals Electrical Switches
Terminals Package units
Terminals Monitoring and control
Terminals Monitoring and control Control
systems
Terminals Monitoring and control
Monitoring systems
Terminals Monitoring and control Monitoring
systems Measuring
Terminals Monitoring and control Building
management systems
Terminals Other parts of services
elements
External site works
External site works Surface treatment
External site works Surface treatment
Hard surfaces
External site works Surface treatment
Landscaping
External site works Enclosure division
External site works Enclosure division
External works Fencing and walling and
hedges
External site works Enclosure division
Retaining walls
External site works Enclosure division
Stone walls
External site works Enclosure division
Stone walls Dry stone walling
Http://www.BIMuk.org.uk
Fans_Centrifugal
Fans_Axial
Fans_Roof_mounted
Fans_Mixed_flow
Terminal
Terminal_Heat_emitter
Radiator
Fan_Convector
Natural_Convector
Radiant_panel
Unit_heater
Ventilation
Ventilation_Grill
Ventilation_Diffuser
Ventilation_Louvre
Terminal_Elect
Luminaire
Power_outlet
Elect_Switch
Package_unit
MAC
Control_system
Monitoring_system
Monitoring_system_Measuring
BMS
Terminal_Other
Site
Site_Surface_treatment
Site_Hard_surface
Site_Landscaping
Site_Enclosure
Site_Fence
Site_Retaining_Wall
Site_Stone_Wall
Site_Stone_Wall_Dry
22
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
G7232
External site works Enclosure division
Stone walls Mortared stone walling
Site_Stone_Wall_Mortared
G73
G731
External site works Special purpose works
External site works Special purpose works
Water features pools
External site works Special purpose works
Shelters and minor buildings
Site_SPW
Site_Pool
External site works Special purpose works
Bridges underpasses
External site works Special purpose works
Other
External site works Fittings furniture
equipment
External site works Mains supply
External site works Mains supply Water
External site works Mains supply Fire
External site works Mains supply Hot
water steam
External site works Mains supply Gas
External site works Mains supply Electric
External site works Mains supply
Communications cable
External site works External distributed
services
External site works External distributed
services Lighting
External site works External distributed
services Other
External site works Site underground
drainage
External site works Site underground
drainage Foul water drainage
Site_Bridge_underpass
G772
External site works Site underground
drainage Surface water drainage
Site_SW_drainage
G773
External site works Site underground
drainage Combined water drainage
Site_Drainage_Combined
G8
G81
G811
G8111
G8112
G8113
G812
G8121
G8122
G8123
G8124
G8125
G813
Civil
Roads
Roads Elements
Roads Elements Structural layers
Roads Elements Surfacing
Roads Elements Edgework
Roads Features
Roads Features Central reservations
Roads Features Islands
Roads Features Roundabouts
Roads Features Traffic calming
Roads Features Road markings
Roads Pavements
Civil
Road
Road_Element
Road_Structure
Road_Surfacing
Road_Edgework
Road_Feature
Road_Central_reservation
Road_Island
Road_Roundabout
Road_Traffic_calming
Road_marking
Road_pavement
G732
G733
G739
G74
G75
G751
G752
G753
G754
G755
G756
G76
G761
G762
G77
G771
Site_minor_building
Site_SPW_Other
Site_FFE
Site_Main_supply
Site_Main_Water
Site_Main_Fire
Site_Main_Hot_water_steam
Site_Main_Gas
Site_Main_Electric
Site_Main_COMM_cable
Site_External_dist_Service
Site_External_dist_Service_Lighting
Site_External_dist_Service_Other
Site_Drainage
Site_FW_drainage
23
DRAFT 1.0 January 2012
G8131
G8132
G8133
G8134
G814
G82
G821
G8211
G8212
G8213
Layer Convention
Roads Pavements Rigid
Roads Pavements Rigid composite
Roads Pavements Flexible
Roads Pavements Flexible composite
Roads Footpaths
Roads Tunnels shafts cuttings
Roads Tunnels shafts cuttings Structure
formation
Roads Tunnels shafts cuttings Structure
formation Shaft
Roads Tunnels shafts cuttings Structure
formation Tunnel
Roads Tunnels shafts cuttings Structure
formation Gallery
Http://www.BIMuk.org.uk
Road_pavement_Rigid
Road_pavement_Rigid_composite
Road_pavement_Flex
Road_pavement_Flex_composite
Road_Footpath
Road_TSC
Road_TSC_SF
Road_TSC_SF_Shaft
Road_TSC_SF_Tunnel
Road_TSC_SF_Gallery
24
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Field 2: Classification (Uniclass V 1.4 Table Z Computer Aided
Design)
Table Z allows the classification of CAD specific data within the Uniclass Classification
system.
Code
Description
CAD Alias (Field 4)
Z1
Z11
Z111
Z12
Z13
Z131
Z132
Z133
Z14
Z2
Z21
Z22
Z221
Z2211
Z2212
Z2213
Z222
Z223
Z224
Z225
Z226
Z227
Z228
Z23
Z24
Z241
Z242
Z25
Z251
Z26
Z3
Z31
Z32
Z33
Z34
Z4
Z41
Z42
Z421
Z422
Title sheet
Drawing frame
Viewports
Status stamps
Revisions
Revision blocks and cells
Revision annotation
Revision clouds and notations
Hold clouds and notation
Textual Content
Title Annotation
Annotation
General text
Tags
Labels
References
General notes
Keynoting
Legends
Cross references
Key plan
Bar scales
North point
Dimensions
Hatching
Hatch boundaries
Solid Fill
General masking
Wipe Outs and Masks
General redlining
Insertions
External references
Blocks and cells
Tables and schedules
Images
Setting out
Points
Gridlines
Structural grid
Ceiling grid
Title_sheet
Drawing_Frame
Viewport
Status_stamp
Revision
Revision_block
Revision_annotation
Revision_cloud
Hold_cloud
Textual_Context
Title_annotation
Annotation
Text
Tag
Label
Reference
Note
Keynote
Legend
Cross_reference
Key_plan
Barscale
North_point
Dimension
Hatch
Hatch_boundary
Solid_Fill
General_masking
Wipe_out
General_redlining
Insertion
Xref
Block
Schedule
Image
Setting_out
Point
Gridline
Structural_grid
Ceiling_grid
25
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Z43
Z44
Z441
Z442
Z443
Z444
Z45
Z451
Z452
Z453
Z46
Z461
Z462
Z463
Z464
Z47
Z471
Z4711
Z4712
Z5
Z51
Z52
Z521
Z522
Z523
Z524
Z53
Z54
Z55
Z56
Z561
Z562
Z563
Z6
Z61
Z62
Z63
Z64
Z7
Z71
Z72
Z73
Z75
Z76
Centrelines
Survey control points
OS trigonometrical station
Site survey control station
OS bench mark
Site bench mark
Alignments and super elevations
Horizontal alignment
Vertical alignment
Super elevation
Zones and boundaries
Zones
Boundaries
Parcels
Lots
Topography
Contours
Contours Major
Contour Minor
Drawing symbols
Levels
Markers
Section marks
Break marks
Span direction markers
Void and opening markers
Detail call outs
Match lines
Fall indicators
Joint lines
Construction joints
Contraction joints
Expansion joints
Views
General sections
General elevations
General Details
General Plans
Presentation
Vehicles
People
Trees and planting
Area Fill
Pattern
Centreline
Survey_control_point
OS_trig_station
Survey_control_station
OS_BM
Site_BM
Alignment
Horizontal_alignment
Vertical_alignment
Super_elevation
Zone_boundary
Zone
Boundary
Parcel
Lot
Topo
Contour
Contour_Major
Contour_Minor
Dwg_symbol
Level
Marker
Section_mark
Break_mark
Span_mark
Void
Detail
Match_line
Fall_indicator
Joint_line
Construction_joint
Contraction_joint
Expansion_joint
View
Section
Elevation
Detail
Plan
Presentation
Vehicle
People
Tree_planting
Area_fill
Pattern
Z77
LINES
Line
26
DRAFT 1.0 January 2012
Z771
Z772
Z773
Z774
Z775
Z776
Z777
Z778
Z779
Z78
Z8
Z81
Z82
Z83
Layer Convention
Lines Fine
Lines Thin
Lines Light
Lines Medium
Lines Heavy
Lines Wide
Lines Extra Wide
Lines XX Wide
Lines XXX Wide
Concept Massing
Readme and non-plotting
Construction lines
Readme
External reference information
Http://www.BIMuk.org.uk
Line_Fine
Line_Thin
Line_Light
Line_Medium
Line_Heavy
Line_Wide
Line_Extra_Wide
Line_XX_Wide
Line_XXX_Wide
Mass
Non_Plot
Con
Readme
XREF_Info
27
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Field 3: Presentation Codes
BS1192 allows for a definition of the graphics to be used to represent an object in either a
single or two letter codes. Where graphic representations are to be kept simple then the
single codes as defined within BS1192:2007 should be used.
Where there is a specific requirement for control of more complex graphics then the
following 2 letter codes may be adopted. This allows for the separation of graphics forward,
below and above the cut planes as well as for hidden objects within these views as defined
within BS8541-2:2011.
Two Letter Presentation codes:-
Code
Description
A_
D_
H_
M_
M2
M3
MA
MC
MG
Annotation (Tags, Arrows, etc.)
Dimensions
Hatch
Model related graphics
2D Model graphics
3D Model graphics
Model Analysis
Model Cut plane (Section / Details)
Model Grids (Grids, Reference planes, Reference Lines
Hidden lines, Items Hidden beyond cutting plane (BS8541MH
2:2011 item 1.304)
MF
Model Forward. Items to be shown forward of the cut plane.
Model Non visible elements , Behind / above cut plane
MN
(BS8541-2:2011 item 1.302)
Model Visible items Behind / above the cut plane
MV
(BS8541-2:2011 item 1.301)
MR
Model Reflected Information (Ceilings, Ductwork etc…)
P_
Plot /Page related graphics
T_
Text
For Single Character codes please refer to BS1192:2007 Table 15.
Line Type
Thick Line
Hidden line
Fine Line
Dashed dot dot line
Dashed dot line
Field 4: Alias Codes
Alias Codes have been defined and included within the Field 2 Uniclass Classifications
tables for F, G and Z. An Alias Code should be consistent with the classification used.
Layer Description Fields.
Most CAD Software includes the capabilities for Layers to also include a description property
as well as the name. The Descriptions provided with Field 2 should be used as the layer
description to aid recognition. Layers can then be viewed and filtered by description as well
as Layer name
28
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Uniclass Codes by Alphabetical Index
Table F - Spaces Alphabetical Index
Activity space
Air locks
Alcoves, niches
Atria
Basement
Basement areas
Bays
Building space analysed
Building space analysed according to ISO 9836:1992
Building space analysed according to RICS and ISVA
Code of measuring practice
Building spaces by degree and type of enclosure
Building sub-spaces
Central halls, lobbies
Circulation area
Circulation spaces
Cloisters
Compound spaces of buildings
Core
Corridors
Courtyards, forecourts
Covered ways
Covered, not enclosed space
Crawlways
Danger area
Dry areas
Eleventh floor
Entrance halls, foyers
External balconies
External spaces of buildings
Fire compartments
First floor
First floor and above, but below highest floor
Free space
Fully enclosed space
Gangways
Gross area
Ground floor
Highest floor
Horizontally divided parts of buildings, storeys
Incidental space, voids
Internal balconies, galleries
Internal spaces of buildings
F41
F351
F44
F317
F132
F62
F122
F9
F91
Activity_space
Air_lock
Alcove_niche
Atria
Basement
Basement_area
Space_Bay
Area
Area_ISO_9836
F92
F7
F4
F321
F912
F3
F338
F1
F123
F327
F61
F337
F74
F344
F85
F63
F13611
F314
F332
F6
F81
F13601
F136
F71
F75
F334
F919
F134
F137
F13
F45
F331
F5
Space
Space_Building_Enclosure
Building_sub-space
Lobby
Area_Circulation
Space_Circulation
Cloister
Space
Space_Core
Corridor
Courtyard_forecourt
Covered_way
Space_Covered_not_enclosed
Crawlway
Space_Danger
Dry_area
Eleventh_floor
Entrance_hall
External_balcony
Space_External
Fire_compartment
First_floor
Upper_Floors
Space_Free
Space_Fully_enclosed
Gangway
Area_Gross
Ground_floor
Highest_floor
Space_Horizontal
Space_void
Internal_balcony
Space_Internal
29
DRAFT 1.0 January 2012
Layer Convention
Light wells
Mezzanine floor
Miscellaneous spaces, other spaces
Net Internal Area
Ninety-ninth floor
Not covered, enclosed space
Occupied space
Open space
Other circulation spaces
Other compound spaces, zones
Other spaces
Partly covered
Passages, alleys
Porches
Private space
Protected space
Public space
Rooms
Second floor
Semi-basement
Semi-independent parts of a building, blocks
Services area
Space beneath a sloping roof, attic
Space on top of a flat roof
Spaces
Stairs, lift shafts, escalators
Structural element area
Sub-basement
Tenth floor
Terraces
Third floor
Usable area
User functional departments
Verandahs
Vertically divided parts of buildings
Wings
Working space
F64
F135
F8
F921
F13699
F73
F43
F72
F399
F19
F89
F731
F341
F311
F83
F82
F84
F2
F13602
F133
F11
F913
F138
F139
F
F324
F914
F131
F13610
F65
F13603
F911
F191
F651
F12
F121
F42
Http://www.BIMuk.org.uk
Light_well
Mezzanine_floor
Space_Misc
Area_Net_Internal
Ninety-ninth_floor
Space_Not_covered_enclosed
Occupied_space
Space_Open
Space_Other_circulation
Space_compound_zone
Space_Other
Space_Partly_covered
Passage_alley
Porche
Space_Private
Space_Protected
Space_Public
Room
Second_floor
Semi-basement
Space_Block
Area_Service
Space_attic
Space_flat_roof
Space
Vertical_Circulation
Area_Structural_element
Sub-basement
Tenth_floor
Terrace
Third_floor
Area_Usable
Department
Verandah
Space_Vertical
Space_Wing
Working_space
30
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Table G - Elements for Building and Civil Alphabetical Index
Air conditioning
Air conditioning Air handling unit
Air conditioning All air
Air conditioning Fan coil unit
Air conditioning Induction unit
Air conditioning Local
Fire security and protection Communications
Assistance call
Communications Audio visual
Beams
Beams Cast iron
Beams Insitu concrete
Beams Precast concrete
Beams Steel
Bearings
Bearings Elastomeric
Bearings Fixed
Bearings Roller
Bearings Sliding bearing PTFE
Terminals Monitoring and control Building
management systems
Heat output Heat generation Gas and oil fired
boilers
Heat output Heat generation Solid fuel boilers
Heat output Heat generation Steam boilers
Bracing
Bracing Insitu concrete
Bracing Precast concrete
Bracing Steel
Building transport systems
Building transport systems Escalators and
moving walkways
Building transport systems For special activity
Building transport systems For special activity
Automatic goods storage and retrieval
G524
G5246
G5241
G5242
G5243
G5245
G57422
AC
AC_Air_handling_unit
AC_All_air
AC_Fan_coil_unit
AC_Induction_unit
AC_Local
Assistance_call
G554
G261
G2614
G2611
G2612
G2613
G266
G2664
G2661
G2663
G2662
G663
AV
Beam
Beam_Cast_iron
Beam_Insitu_concrete
Beam_Precast_concrete
Beam_Steel
Bearing
Bearing_Elastomeric
Bearing_Fixed
Bearing_Roller
Bearing_Sliding_bearing_PTFE
BMS
G61111
Boiler_Gas_oil
G61112
G61113
G263
G2631
G2632
G2633
G56
G562
Boiler_Solid_fuel
Boiler_Steam
Bracing
Bracing_Insitu_concrete
Bracing_Precast_concrete
Bracing_Steel
BTS
BTS_EMW
G569
G5692
BTS_FSA
BTS_FSA_Automatic_good
Building transport systems For special activity
Fire escape chutes and slings
Distribution Cables and cable containment
Cables
Distribution Cables and cable containment
Cable tray
Distribution Cables and cable containment
Heat output Heat conversion Calorifiers
Carcass structure fabric
Internal finishes Ceilings Soffit
G5691
BTS_FSA_Fire_escape
G6331
Cable
G6334
Cable_tray
G633
G61121
G31
G332
CACC
Calorifier
Carcass_structure_fabric
Ceiling
31
DRAFT 1.0 January 2012
Layer Convention
Internal finishes Ceilings Soffit Direct
Internal finishes Ceilings Soffit Suspended
Civils
Columns
Columns Insitu concrete
Columns Mass concrete
Columns Precast concrete
Columns Steel
Communications
Communications Audio visual Audio alert
Communications Audio visual Breakdown
broadcast message system
Communications Audio visual Presentation
and conferencing
Communications Audio visual Television
Communications Data networks
Communications Data networks Computer
network
Communications Data networks Fibreoptic
networks
Communications Data networks For special
activity
Communications Data networks For special
activity Induction loop
Communications Data networks For special
activity Infra red
Communications Data networks For special
activity Sound field
Communications Data networks SCADA
systems
Communications Data networks Support
communication systems
Communications Data networks Transmitters
and receivers
Communications Radio
Communications Signs Advertisement
Communications Signs Illuminated
Communications Telecommunications
Communications Telecommunications
Telephones
Communications Visual display Public address
Communications Visual display Railway signals
Communications Visual display Signs Clocks
Distribution Cables and cable containment
Conduit
Terminals Monitoring and control Control
systems
Building transport systems Escalators and
moving walkways Building transport systems
Http://www.BIMuk.org.uk
G3321
G3322
G8
G262
G2621
G2624
G2622
G2623
G55
G5543
G5544
Ceiling_Soffit_Direct
Ceiling_Soffit_Suspended
Civil
Column
Column_Insitu_concrete
Column_Mass_concrete
Column_Precast_concrete
Column_Steel
COMM
COMM_AV_Audio_alert
COMM_AV_Message_system
G5542
COMM_AV_Presentation
G5541
G556
G5561
COMM_AV_TV
COMM_Data
COMM_Data_Computer
G5563
COMM_Data_Fibreoptic
G559
COMM_Data_FSA
G5591
COMM_Data_FSA_Induction_loop
G5592
COMM_Data_FSA_Infra_red
G5593
COMM_Data_FSA_Sound_field
G5562
COMM_Data_SCADA_System
G558
COMM_Data_Support
G557
COMM_Data_Transmitter
G553
G55212
G55211
G555
G5551
COMM_Radio
COMM_Sign_Advertisement
COMM_Sign_Illuminated
COMM_Tele
COMM_Tele_phone
G5523
G5534
G5522
G6332
COMM_VD_Public_address
COMM_VD_Railway_signals
COMM_VD_Sign_Clock
Conduit
G661
Control_system
G563
Conveyor
32
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Conveyors
Cooling
Cooling Chilled water
Cooling output
Cooling Refrigerant
Core fabric
Coverings external finishes
Curtain Walls
Curtain Wall Framing
Curtain Wall Cladding Grid
Curtain Wall Cladding Panels
Curtain Wall Cladding Units
Electricity output Diesel generators
Disposal systems
Disposal systems For special activity
Distribution
Doors
Doors_External
Doors_Internal
Drainage
Drainage Foul Water
Drainage Foul Laboratory and industrial waste
disposal systems
Drainage Foul Soakaways septic tanks and
sewage treatment plant
Drainage Foul Pumping stations and pressure
pipelines
Drainage Foul Sewage pumping
Drainage Foul Sewage treatment and
sterilisation systems
Drainage Surface water
Drainage Surface water Constructed wetlands
Drainage Surface water Ground water
pressure relief drainage
Drainage Surface water Land drainage systems
Drainage Surface water Rainwater drainage
systems
Drainage Surface water Sewage treatment
systems
Distribution Ductwork
Terminals Electrical Switches
Electricity output Electricity conversion
Electricity output Electricity conversion
Converters
Electricity output Electricity generation
Electricity output Electricity conversion
Transformers
G522
G5221
G613
G5222
G311
G312
G257
G2571
G2573
G2572
G2573
G61211
G58
G589
G63
G322
G3221
G3222
G581
G5811
G58111
Cooling
Cooling_Chilled_water
Cooling_output
Cooling_Refrigerant
Core_fabric
Coverings_Ext_finish
Curt_Wall
Curt_Wall_Frame
Curt_Wall_Grids
Curt_Wall_Panel
Curt_Wall_Unit
Diesel_generator
Disposal_System
Disposal_System_FSA
Distribution
Door
Door_Ext
Door_Int
Drainage
Drainage_FW
Drainage_FW_industrial_WDS
G58112
Drainage_FW_plant
G58113
Drainage_FW_Pumping_station
G58114
G58115
Drainage_FW_Sewage_pumping
Drainage_FW_Sewage_treatment
G5812
G58125
G58121
Drainage_SW
Drainage_SW_Constructed_wetland
Drainage_SW_GRD_pressure_relief
G58123
G58122
Drainage_SW_Land
Drainage_SW_Rainwater
G58124
Drainage_SW_Sewage_treatment
G631
G6433
G6122
G61222
Ductwork
Elect_Switch
Electricity_conversion
Electricity_Converter
G6121
G61221
Electricity_generation
Electricity_Transformer
33
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Emergency power supply equipment
Emergency power supply equipment Central
Emergency power supply equipment Local
Electricity output
Electric power
Electric power Distribution
Electric power Distribution Direct Current
power
Electric power Distribution Extra low voltage
power
Electric power Distribution High voltage
Electric power Distribution Low voltage
Electric power Distribution Small power
Electric power Distribution Uninterruptible
power
Electric power Lighting
Electric power Monitoring and control
Electric power Monitoring and control
Electrical terminals
Electric power Monitoring and control For
special activity
Electric power Monitoring and control
measuring
Electric power Monitoring and control
measuring Control
Electric power Monitoring and control
measuring Control Prevention
Electric power Monitoring and control
measuring Metering
Electric power supply
Electric power supply Generator
Electric power supply High voltage
Electric power supply Low voltage
Electric power supply Photovoltaic
Electric power supply Wind power
Building transport systems Escalators and
moving walkways Escalators
G5316
G53162
G53161
G612
G53
G532
G5325
Emergency_power_supply_equip
Emergency_power_supply_equip_Central
Emergency_power_supply_equip_Local
EO
EP
EP_Distribution
EP_Distribution_Direct_Current_power
G5324
EP_Distribution_Extra_low_voltage_power
G5321
G5322
G5323
G5326
EP_Distribution_High_voltage
EP_Distribution_Low_voltage
EP_Distribution_Small_power
EP_Distribution_Uninterruptible_power
G54
G533
G534
EP_Light
EP_MAC
EP_MAC_Elect_Terminal
G539
EP_MAC_FSA
G5331
EP_MAC_measuring
G5332
EP_MAC_measuring_Control
G53321
EP_MAC_measuring_Control_Prevention
G53311
EP_MAC_measuring_Metering
G531
G5313
G5311
G5312
G5315
G5314
G5621
EPS
EPS_Generator
EPS_High_voltage
EPS_Low_voltage
EPS_Photovoltaic
EPS_Wind_power
Escalator
Fire security and protection Communications
Evacuation
Fabric parts of elements
Fabric complete elements
Other parts of fabric elements
Terminals Heat emitters Fan convectors
Distribution Fans
Distribution Fans Axial
Distribution Fans Centrifugal
Distribution Fans Mixed flow
Distribution Fans Roof mounted
G57421
Evacuation
G3
G2
G34
G6412
G635
G6352
G6351
G6354
G6353
Fabric
Fabric_complete_element
Fabric_Other
Fan_Convector
Fans
Fans_Axial
Fans_Centrifugal
Fans_Mixed_flow
Fans_Roof_mounted
34
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Fittings furniture equipment FFE
FFE Circulation Access
FFE Circulation Access Depot and plant
equipment access
FFE Circulation
FFE Cleaning maintenance CM
FFE Cleaning maintenance Depot cleaning and
maintenance
FFE Cleaning maintenance Depot cleaning and
maintenance De-icing
G4
G411
G4111
FFE
FFE_CA
FFE_CA_Depot_plant_equip_access
G41
G45
G451
FFE_Circulation
FFE_CM
FFE_CM__DCAM_
G4513
FFE_CM__DCAM__De-icing
FFE Cleaning maintenance Depot cleaning and
maintenance Cleaning equipment
G4511
FFE_CM__DCAM_Cleaning
FFE Cleaning maintenance Depot cleaning and
maintenance Equipment maintenance
G4512
FFE_CM__DCAM_maintenance
FFE Culinary
FFE Other
FFE Other General equipment
FFE Other General equipment Depot and plant
FFE Other Lifting equipment
FFE Other Monitoring equipment
FFE Other Monitoring equipment Test
equipment
FFE Other Monitoring equipment Track based
FFE Other Workshop equipment
FFE Rest work
FFE Special activity
FFE Sanitary hygiene
FFE Works or art and soft furnishings Soft
furnishings
FFE Storage screening
FFE Works or art and soft furnishings
FFE Works or art and soft furnishings Works of
art
Floors
Foundations
Foundations Cassions
Foundations Compensated
Foundations
Foundations Pad
Foundations Pier
Foundations Piles
Foundations Pile Caps
Foundations Pile Caps Insitu concrete
Foundations Pile Caps Precast concrete
Foundations Piles End bearing
Foundations Piles Friction
Foundations Piles Infill
G43
G49
G491
G4911
G494
G492
G4922
FFE_Culinary
FFE_Other
FFE_Other_GEN_EQUIP
FFE_Other_GEN_EQUIP_Depot_plant
FFE_Other_Lifting_equipment
FFE_Other_MON_EQUIP
FFE_Other_MON_EQUIP_Test_equip
G4921
G493
G42
G48
G44
G472
FFE_Other_MON_EQUIP_Track_based
FFE_Other_Workshop_equipment
FFE_Rest_work
FFE_SA
FFE_Sanitary
FFE_Soft_furnishing
G46
G47
G471
FFE_Storage
FFE_WOAASF
FFE_Works_of_art
G22
G21
G219
G213
G211
G218
G212
G215
G214
G2141
G2142
G2152
G2153
G2157
Floor
Foundation
Foundation_Cassion
Foundation_Compensated
Foundation_Other
Foundation_Pad
Foundation_Pier
Foundation_pile
Foundation_Pile_Cap
Foundation_Pile_Cap_Insitu
Foundation_Pile_Cap_Precast
Foundation_pile_End_bearing
Foundation_pile_Friction
Foundation_pile_Infill
35
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Foundations Piles Insitu concrete
Foundations Piles Laterally loaded
Foundations Piles Settlement reducing
Foundations Piles Tension
Foundations Raft
Foundations Strip
Fire security and protection (FSP)
Fire security and protection Security Access
control systems
Fire security and protection Alert system
Fire security and protection Security Closed
circuit television systems
Fire security and protection Communications
G2151
G2156
G2154
G2155
G217
G216
G57
G5711
Foundation_pile_Insitu
Foundation_pile_Laterally_loaded
Foundation_pile_Settlement_reducing
Foundation_pile_Tension
Foundation_Raft
Foundation_Strip
FSP
FSP_Access
G575
G5713
FSP_Alert_system
FSP_CCTV
G5742
FSP_COMM
Fire security and protection Fire suppression
Deluge fire-extinguishing
Fire security and protection Safety Detection
G57226
FSP_Deluge
G5741
FSP_Detection
Fire security and protection Security Detection
arch systems
Fire security and protection Safety Detection
Gas detection
Fire security and protection Safety Detection
Water leak detection
Fire security and protection Fire suppression
Dry riser
Fire security and protection Fire
Fire security and protection Fire Detection
Fire security and protection Fire suppression
Fire hose
Fire security and protection Fire suppression
Fire hydrant
Fire security and protection Fire Fire
protection
Fire security and protection Fire and smoke
alarms
Fire security and protection Fire suppression
Foam fire fighting`
Fire security and protection Fire suppression
Fire security and protection For special activity
Fire security and protection Fire suppression
Gaseous fire-extinguishing
Fire security and protection Security Intruder
detection and alarm systems
Fire security and protection Other protection
Fire security and protection Other protection
Cathodic protection
G5714
FSP_Detection_arch_system
G57411
FSP_Detection_Gas
G57412
FSP_Detection_Water_leak
G57223
FSP_Dry_riser
G572
G5724
G57221
FSP_Fire
FSP_Fire_Detection
FSP_Fire_hose
G57222
FSP_Fire_hydrant
G5725
FSP_Fire_protection
G5721
FSP_Fire_smoke_alarm
G57229
FSP_Foam
G5722
G579
G57228
FSP_FS
FSP_FSA
FSP_Gas
G5712
FSP_Intruder
G573
G5732
FSP_Other_protection
FSP_Other_protection_Cathodic
36
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Fire security and protection Other protection
Lightning protection
Fire security and protection Security Personal
protection
Fire security and protection Safety
Fire security and protection Security
Fire security and protection Fire Smoke
extraction control installations
Fire security and protection Fire suppression
Sprinkler fire-extinguishing
Fire security and protection Structural surface
protection
Fire security and protection Fire suppression
Water mist fire-extinguishing
G5731
FSP_Other_protection_Lightning
G5715
FSP_Personal_protection
G574
G571
G5723
FSP_Safety
FSP_Security
FSP_Smoke_extract
G57225
FSP_Sprinkler
G576
FSP_Structural_surface_protection
G57227
FSP_Water
Fire security and protection Fire suppression
Wet riser
Building transport systems Escalators and
moving walkways Travelling cradles Gantries
and ladders
Gas and liquid supply
Gas supply
Gas supply Biogas
Gas supply Compressed air
Gas supply Laboratory
Gas supply Medical
Gas supply Natural
Gas supply Liquefied petroleum
Heating and cooling
Heating and cooling Climatic ceiling and beam
Heating and cooling Heat pump
Heating and cooling Underfloor heating and
cooling
Heating and cooling Variable refrigerant flow
Heat output Heat conversion
Heat output Heat conversion Heat exchangers
Heat output Heat generation
Heat output
Cooling output Heat pumps
Heating
Heating Low temperature hot water
Heating Medium temperature hot water
Heating Steam
Heating ventilation and air conditioning
Heating ventilation and air conditioning For
special activity
Heating ventilation and air conditioning For
special activity Cold room
G57224
FSP_Wet_riser
G5641
Gantry_ladder
G51
G511
G5113
G5114
G5116
G5115
G5111
G5112
G523
G5234
G5231
G5233
Gas_liquid_supply
Gas_supply
Gas_supply_Biogas
Gas_supply_Compressed_air
Gas_supply_Laboratory
Gas_supply_Medical
Gas_supply_Natural
Gas_supply_petrol
HC
HC_Climatic_ceiling_beam
HC_Heat_pump
HC_Underfloor_HC
G5232
G6112
G61122
G6111
G611
G6132
G521
G5211
G5212
G5213
G52
G529
HC_Variable_refrigerant_flow
Heat_conversion
Heat_exchanger
Heat_Generator
Heat_output
Heat_pump
Heating
Heating_Low_temp_HW
Heating_Medium_temp_HW
Heating_Steam
HVAC
HVAC_FSA
G5291
HVAC_FSA_Cold_room
37
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Heating ventilation and air conditioning For
special activity Ice pad
Fire security and protection Communications
Incident call
Internal finishes
Internal finishes Floors
Internal finishes Floors Direct
Internal finishes Floors Raised
Internal finishes Other
Internal finishes Wall
Building transport systems Lifts hoists
Building transport systems Lifts hoists Goods
G5292
HVAC_FSA_Ice_pad
G57423
Incident_call
G33
G331
G3311
G3312
G334
G333
G561
G5612
Int_Fin
Int_Fin_Floor
Int_Fin_Floor_Direct
Int_Fin_Floor_Raised
Int_Fin_Other
Int_Fin_Wall
Lift
Lift_Good
Building transport systems Lifts hoists
Personnel
General lighting
General lighting Emergency
General lighting Emergency Central battery
General lighting Emergency Self contained
General lighting Emergency Static inverter
General lighting External
General lighting For special activity
General lighting For special activity
Underwater lighting systems
General lighting Internal
General lighting Monitoring and control
Liquid fuel supply
Liquid fuel supply Biofuel
Liquid fuel supply Diesel
Liquid fuel supply Fuel oil
Liquid fuel supply Petrol
Terminals Electrical Luminaires
Terminals Monitoring and control
Terminals Monitoring and control Monitoring
systems
Terminals Monitoring and control Monitoring
systems Measuring
Terminals Heat emitters Natural convectors
Non-energy treatment storage
Non-energy treatment storage Tanks
Non-energy treatment storage Tanks Gas
Non-energy treatment storage Tanks Water
Non-energy treatment storage Tanks Fuel
Fire security and protection Communications
Nurse call
Openings
Openings
G5611
Lift_Personnel
G541
G542
G5422
G5421
G5423
G5412
G549
G5491
Light
Light_Emergency
Light_Emergency_Central_battery
Light_Emergency_Self_contained
Light_Emergency_Static_inverter
Light_Ext
Light_FSA
Light_FSA_ULS
G5411
G543
G512
G5124
G5121
G5123
G5122
G6431
G66
G662
Light_Int
Light_MAC
Liquid_fuel_supply
Liquid_fuel_supply_Biofuel
Liquid_fuel_supply_Diesel
Liquid_fuel_supply_oil
Liquid_fuel_supply_Petrol
Luminaire
MAC
Monitoring_system
G6621
Monitoring_system_Measuring
G6413
G62
G621
G6212
G6211
G6213
G57424
Natural_Convector
NEES
NEES_Tank
NEES_Tank_Gas
NEES_Tank_Water
NEES_Tanks_Fuel
Nurse_call
G32
G323
Opening
Opening
38
DRAFT 1.0 January 2012
Layer Convention
Openings_Arches
Combined Openings
Communications Public address
Communications Public address Music
Communications Public address Voice
Terminals Package units
Piers and abutments
Site preparation Ground Measurement
Piezometers
Distribution Pipework
Distribution Pipework Fuel
Distribution Pipework Gas
Distribution Pipework Water
Cooling output Combined heat power cooling
Cooling output Combined heat power cooling
plant plant
Terminals Electrical Power outlets
Distribution Pumps
Distribution Pumps Belt driven
Distribution Pumps Close coupled
Distribution Pumps Manual
Distribution Pumps Sump
Terminals Heat emitters Radiant panels
Terminals Heat emitters Radiators
Cooling output Refrigeration plant
Refuse disposal
Refuse disposal Centralised vacuum cleaning
systems
Refuse disposal Refuse chutes
Refuse disposal Compactors macerators
Refuse disposal Incineration plant
Roads
Roads Features Central reservations
Roads Elements Edgework
Roads Elements
Roads Features
Roads Footpaths
Roads Features Islands
Roads Features Road markings
Roads Pavements
Roads Pavements Flexible
Roads Pavements Flexible composite
Roads Pavements Rigid
Roads Pavements Rigid composite
Roads Features Roundabouts
Roads Elements Structural layers
Roads Elements Surfacing
Http://www.BIMuk.org.uk
G3231
G324
G551
G5512
G5511
G65
G264
G161
Opening_Arch
Opening_Combined
PA
PA_Music
PA_Voice
Package_unit
Pier_abutment
Piezometer
G632
G6323
G6322
G6321
G614
G6141
Pipework
Pipework_Fuel
Pipework_Gas
Pipework_Water
Power_cooling
Power_cooling_Plant
G6432
G634
G6341
G6342
G6344
G6343
G6414
G6411
G6131
G582
G5821
Power_outlet
pump
pump_Belt_driven
pump_Close_coupled
pump_Manual
pump_Sump
Radiant_panel
Radiator
Refrigeration_plant
Refuse
Refuse_Centralised_vacuum_cleaning
G5822
G5823
G5824
G81
G8121
G8113
G811
G812
G814
G8122
G8125
G813
G8133
G8134
G8131
G8132
G8123
G8111
G8112
Refuse_chute
Refuse_Compactor_macerator
Refuse_Incineration_plant
Road
Road_Central_reservation
Road_Edgework
Road_Element
Road_Feature
Road_Footpath
Road_Island
Road_marking
Road_pavement
Road_pavement_Flex
Road_pavement_Flex_composite
Road_pavement_Rigid
Road_pavement_Rigid_composite
Road_Roundabout
Road_Structure
Road_Surfacing
39
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Roads Features Traffic calming
Roads Tunnels shafts cuttings
Roads Tunnels shafts cuttings Structure
formation
Roads Tunnels shafts cuttings Structure
formation Gallery
Roads Tunnels shafts cuttings Structure
formation Permanent structural lining
G8124
G82
G821
Road_Traffic_calming
Road_TSC
Road_TSC_SF
G8213
Road_TSC_SF_Gallery
G8214
Road_TSC_SF_Permanent_structural_lining
Roads Tunnels shafts cuttings Structure
formation Permanent structural lining Collars
G82142
Road_TSC_SF_Permanent_structural_lining_Collar
Roads Tunnels shafts cuttings Structure
formation Permanent structural lining Linings
G82141
Road_TSC_SF_Permanent_structural_lining_Lining
Roads Tunnels shafts cuttings Structure
formation Shaft
G8211
Road_TSC_SF_Shaft
Roads Tunnels shafts cuttings Structure
formation Tunnel
Roofs
Roofs Cable tension
Roofs Canopy
Roofs Flat
Roofs Lean to
G8212
Road_TSC_SF_Tunnel
G24
G245
G248
G241
G244
Roof
Roof_Cable_tension
Roof_Canopy
Roof_Flat
Roof_Lean_to
Roofs Mono-pitched
G243
Roof_Mono-pitched
Roofs Pitched
G242
Roof_Pitched
Roofs Prefabricated
Roofs Retractable
Rooflights
Services elements
Services elements Other
Services parts of elements
Communications Signs
External site works
External site works Special purpose works
Bridges underpasses
G247
G246
G325
G5
G59
G6
G5521
G7
G733
Roof_Prefabricated
Roof_Retractable
Rooflight
Service_element
Service_Other
Service_part
Sign
Site
Site_Bridge_underpass
External site works Site underground drainage
G77
Site_Drainage
External site works Site underground drainage
Combined water drainage
External site works Enclosure division
G773
Site_Drainage_Combined
G72
Site_Enclosure
External site works External distributed
services
G76
Site_External_dist_Service
External site works External distributed
services Lighting
G761
Site_External_dist_Service_Lighting
40
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
External site works External distributed
services Other
External site works Enclosure division External
works Fencing and walling and hedges
External site works Fittings furniture
equipment
External site works Site underground drainage
Foul water drainage
External site works Surface treatment Hard
surfaces
External site works Surface treatment
Landscaping
External site works Mains supply
Communications cable
External site works Mains supply Electric
External site works Mains supply Fire
External site works Mains supply Gas
External site works Mains supply Hot water
steam
External site works Mains supply
External site works Mains supply Water
External site works Special purpose works
Shelters and minor buildings
External site works Special purpose works
Water features pools
Site preparation
Site preparation Clearance
Site preparation Contouring
Site preparation Ground Measurement
Site preparation investigation
Site preparation investigation Boreholes
Site preparation investigation Test Pits
Site preparation investigation Test Pits
Porosity pits
Site preparation investigation Trenches
Site preparation Stabilisation
Site preparation Trench
External site works Enclosure division
Retaining walls
External site works Special purpose works
External site works Special purpose works
Other
External site works Enclosure division Stone
walls
External site works Enclosure division Stone
walls Dry stone walling
G762
Site_External_dist_Service_Other
G721
Site_Fence
G74
Site_FFE
G771
Site_FW_drainage
G711
Site_Hard_surface
G712
Site_Landscaping
G756
Site_Main_COMM_cable
G755
G752
G754
G753
Site_Main_Electric
Site_Main_Fire
Site_Main_Gas
Site_Main_Hot_water_steam
G75
G751
G732
Site_Main_supply
Site_Main_Water
Site_minor_building
G731
Site_Pool
G1
G11
G12
G16
G15
G151
G152
G1521
Site_Prep
Site_Prep_Clearance
Site_Prep_Contouring
Site_Prep_GRD_Measurement
Site_Prep_INV
Site_Prep_INV_Boreholes
Site_Prep_INV_Test_Pit
Site_Prep_INV_Test_Pit _Porosity_Pit
G153
G13
G14
G722
Site_Prep_INV_Trenches
Site_Prep_Stabilisation
Site_Prep_Trench
Site_Retaining_Wall
G73
G739
Site_SPW
Site_SPW_Other
G723
Site_Stone_Wall
G7231
Site_Stone_Wall_Dry
External site works Enclosure division Stone
walls Mortared stone walling
G7232
Site_Stone_Wall_Mortared
41
DRAFT 1.0 January 2012
Layer Convention
External site works Surface treatment
External site works Site underground drainage
Surface water drainage
Electricity output Solar generators
Heat output Heat generation Solar panels
Source energy
Stairs
Steam and condensate
Steam supply
Frame isolated structural members
Terminals
Terminals Electrical
Terminals Heat emitters
Terminals Other parts of services elements
Building transport systems Escalators and
moving walkways Travelators
Building transport systems Escalators and
moving walkways Travelling cradles
Building transport systems Escalators and
moving walkways Travelling cradles Travelling
ladders
Trestle
Distribution Cables and cable containment
Trunking
Terminals Heat emitters Unit heaters
Communications Visual display
Ventilation Extract
Ventilation Extract Car parking
Ventilation Extract Dust collection systems
Ventilation Extract Industrial fume extract
systems
Ventilation Extract Kitchen
Ventilation Extract Safety cabinet and fume
cupboard extract systems
Ventilation Extract Tunnel ventilation
Ventilation Extract Washroom
Ventilation
Terminals Supply and extract ventilation
Terminals Supply and extract ventilation
Diffusers
Terminals Supply and extract ventilation
Grilles
Terminals Supply and extract ventilation
Louvres
Ventilation Supply
Ventilation Supply and extract
Ventilation Supply and extract Smoke and heat
control
Http://www.BIMuk.org.uk
G71
G772
Site_Surface_treatment
Site_SW_drainage
G61213
G61114
G61
G23
G5131
G513
G26
G64
G643
G641
G69
G5622
Solar_generator
Solar_panel
Source_energy
Stair
Steam_condensate
Steam_supply
Struct_member
Terminal
Terminal_Elect
Terminal_Heat_emitter
Terminal_Other
Travelator
G564
Travelling_cradle
G5642
Travelling_ladder
G265
G6333
Trestle
Trunking
G6415
G552
G5252
G52523
G52524
G52526
Unit_heater
VD
VE
VE_Car_parking
VE_Dust_collection
VE_Industrial_fume_extract
G52522
G52525
VE_Kitchen
VE_Safety_cabinet_fume_cupboard_extract
G52527
G52521
G525
G642
G6422
VE_Tunnel_ventilation
VE_Washroom
Ventilation
Ventilation
Ventilation_Diffuser
G6421
Ventilation_Grill
G6423
Ventilation_Louvre
G5253
G5251
G52511
Ventilation_Supply
VSE
VSE_Smoke_heat_control
42
DRAFT 1.0 January 2012
Layer Convention
Walls
Walls Edge
Walls External
Walls External Complete
Walls External Complete Block
Walls External Complete Brick
Walls External Complete Concrete
Walls External Complete Concrete Mass
Walls External Complete Concrete Precast
Walls External Complete Drystone
Walls External Complete Drystone Concrete
Rubble
Walls External Complete Drystone Natrural
Stone
Walls External Complete Glazed
Walls External Edge
Walls External Finish External
Walls External Finish Internal
Walls External Insulant
Walls External Membrane
Walls External Other
Walls External Parts
Walls External Structure
Walls External Substrate
Walls Finish External
Walls Finish Internal
Walls Insulant
Walls Internal
Walls Internal Complete
Walls Internal Complete Block
Walls Internal Complete Brick
Walls Internal Complete Concrete
Walls Internal Edge
Walls Internal Finish External
Walls Internal Finish Internal
Walls Internal Insulant
Walls Internal Membrane
Walls Internal Other
Walls Internal Parts
Walls Internal Structure
Walls Internal Substrate
Walls Membrane
Walls Other
Walls Parts
Walls Partition
Walls Partition Complete
Http://www.BIMuk.org.uk
G25
G2507
G251
G2510
G25102
G25101
G25103
G25104
G25105
G25106
G25107
Wall
Wall_Edge
Wall_Ext
Wall_Ext_Comp
Wall_Ext_Comp_Blk
Wall_Ext_Comp_Bwk
Wall_Ext_Comp_Conc
Wall_Ext_Comp_Conc_Mass
Wall_Ext_Comp_Conc_PC
Wall_Ext_Comp_DryStone
Wall_Ext_Comp_DryStone
G25108
Wall_Ext_Comp_DryStone
G25104
G2517
G2511
G2514
G2515
G2516
G2519
G2518
G2512
G2513
G2501
G2504
G2505
G252
G2520
G25202
G25201
G25213
G2527
G2521
G2524
G2525
G2526
G2529
G2528
G2522
G2523
G2506
G2509
G2508
G253
G2530
Wall_Ext_Comp_Glazed
Wall_Ext_Edge
Wall_Ext_Fin_Ext
Wall_Ext_Fin_Int
Wall_Ext_Ins
Wall_Ext_Memb
Wall_Ext_Outer_Other
Wall_Ext_Part
Wall_Ext_Struct
Wall_Ext_Sub
Wall_Fin_Ext
Wall_Fin_Int
Wall_Ins
Wall_Int
Wall_Int_Comp
Wall_Int_Comp_Blk
Wall_Int_Comp_Bwk
Wall_Int_Comp_Conc
Wall_Int_Edge
Wall_Int_Fin_Ext
Wall_Int_Fin_Int
Wall_Int_Ins
Wall_Int_Memb
Wall_Int_Outer_Other
Wall_Int_Part
Wall_Int_Struct
Wall_Int_Sub
Wall_Memb
Wall_Outer_Other
Wall_Part
Wall_Part
Wall_Part_Comp
43
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Walls Partition Edge
Walls Partition Finish External
Walls Partition Finish Internal
Walls Partition Insulant
Walls Partition Membrane
G2537
G2531
G2534
G2535
G2536
Wall_Part_Edge
Wall_Part_Fin_Ext
Wall_Part_Fin_Int
Wall_Part_Ins
Wall_Part_Memb
Walls Partition Other
Walls Partition Parts
Walls Partition Structure
Walls Partition Substrate
G2539
G2538
G2532
G2533
Wall_Part_Outer_Other
Wall_Part_Part
Wall_Part_Struct
Wall_Part_Sub
Walls Retaining
Walls Retaining Complete
Walls Retaining Edge
Walls Retaining Finish External
Walls Retaining Finish Internal
Walls Retaining Insulant
Walls Retaining Membrane
Walls Retaining Other
Walls Retaining Parts
Walls Retaining Structure
Walls Retaining Substrate
Walls Site
Walls Site Complete
Walls Site Edge
Walls Site Finish External
Walls Site Finish Internal
Walls Site Insulant
Walls Site Membrane
Walls Site Other
Walls Site Parts
Walls Site Structure
Walls Site Substrate
Walls Structure
Walls External Substrate
Walls Substructure
Walls Substructure Complete
Walls Substructure Edge
Walls Substructure Finish External
Walls Substructure Finish Internal
Walls Substructure Insulant
Walls Substructure Membrane
Walls Substructure Other
Walls Substructure Parts
Walls Substructure Structure
Walls Substructure Substrate
G254
G2540
G2547
G2541
G2544
G2545
G2546
G2549
G2548
G2542
G2543
G255
G2550
G2527
G2521
G2524
G2525
G2526
G2529
G2528
G2492
G2523
G2502
G2503
G256
G2560
G2567
G2561
G2564
G2565
G2566
G2569
G2568
G2562
G2563
Wall_Ret
Wall_Ret_Comp
Wall_Ret_Edge
Wall_Ret_Fin_Ext
Wall_Ret_Fin_Int
Wall_Ret_Ins
Wall_Ret_Memb
Wall_Ret_Outer_Other
Wall_Ret_Part
Wall_Ret_Struct
Wall_Ret_Sub
Wall_Site
Wall_Site_Comp
Wall_Site_Edge
Wall_Site_Fin_Ext
Wall_Site_Fin_Int
Wall_Site_Ins
Wall_Site_Memb
Wall_Site_Outer_Other
Wall_Site_Part
Wall_Site_Struct
Wall_Site_Sub
Wall_Struct
Wall_Sub
Wall_Sub
Wall_Sub_Comp
Wall_Sub_Edge
Wall_Sub_Fin_Ext
Wall_Sub_Fin_Int
Wall_Sub_Ins
Wall_Sub_Memb
Wall_Sub_Outer_Other
Wall_Sub_Part
Wall_Sub_Struct
Wall_Sub_Sub
44
DRAFT 1.0 January 2012
Water supply
Water supply Bore Hole
Water supply Cold water
Water supply Hot water
Water supply Water Reclamation
Site preparation Ground Measurement
Waterstrikes
Electricity output Wind generators
Windows
Windows External
Windows Internal
Layer Convention
Http://www.BIMuk.org.uk
G50
G503
G501
G502
G504
G162
Water_supply
Water_supply_Bore_Hole
Water_supply_Cold
Water_supply_Hot
Water_supply_Water_Reclamation
Waterstrike
G61212
G321
G3211
G3212
Wind_generator
Window
Window_Ext
Window_Int
45
DRAFT 1.0 January 2012
Layer Convention
Http://www.BIMuk.org.uk
Table Z – Computer Aided Design Alphabetical Index
Alignments and super elevations
Annotation
Area Fill
Barscales
Blocks and cells
Boundaries
Break marks
Ceiling grid
Centrelines
Concept Massing
Construction joints
Construction lines
Contours
Contours Major
Contraction joints
Contour Minor
Cross references
Detail call outs
Dimensions
Drawing frame
Drawing symbols
Expansion joints
External reference information
External references
Fall indicators
General Details
General elevations
General masking
General notes
General Plans
General redlining
General sections
General text
Gridlines
Hatch boundaries
Hatching
Hold clouds and notation
Horizontal alignment
Images
Insertions
Joint lines
Key plan
Keynoting
Labels
Z45
Z22
Z75
Z227
Z32
Z462
Z522
Z422
Z43
Z78
Z561
Z81
Z471
Z4711
Z562
Z4712
Z225
Z53
Z23
Z11
Z5
Z563
Z83
Z31
Z55
Z63
Z62
Z25
Z222
Z64
Z26
Z61
Z221
Z42
Z241
Z24
Z14
Z451
Z34
Z3
Z56
Z226
Z223
Z2212
Alignment
Annotation
Area_fill
Barscale
Block
Boundary
Break_mark
Ceiling_grid
CentreLine
Mass
Construction_joint
Con
Contour
Contour_Major
Contraction_joint
Contour_Minor
Cross_reference
Detail
Dimension
Drawing_Frame
Dwg_symbol
Expansion_joint
XREF_Info
Xref
Fall_indicator
Detail
Elevation
General_masking
Note
Plan
General_redlining
Section
Text
Gridline
Hatch_boundary
Hatch
Hold_cloud
Horizontal_alignment
Image
Insertion
Joint_line
Key_plan
Keynote
Label
46
DRAFT 1.0 January 2012
Legends
Levels
LINES
Lines Extra Wide
Lines Fine
Lines Heavy
Lines Light
Lines Medium
Lines Thin
Lines Wide
Lines XX Wide
Lines XXX Wide
Lots
Markers
Match lines
North point
OS bench mark
OS trigonometrical station
Parcels
Pattern
People
Points
Presentation
Readme
Readme and non-plotting
References
Revision annotation
Revision blocks and cells
Revision clouds and notations
Revisions
Section marks
Setting out
Site bench mark
Site survey control station
Solid Fill
Span direction markers
Status stamps
Structural grid
Super elevation
Survey control points
Tables and schedules
Tags
Textual Content
Title Annotation
Title sheet
Topography
Layer Convention
Z224
Z51
Z77
Z777
Z771
Z775
Z773
Z774
Z772
Z776
Z778
Z779
Z464
Z52
Z54
Z228
Z443
Z441
Z463
Z76
Z72
Z41
Z7
Z82
Z8
Z2213
Z132
Z131
Z133
Z13
Z521
Z4
Z444
Z442
Z242
Z523
Z12
Z421
Z453
Z44
Z33
Z2211
Z2
Z21
Z1
Z47
Http://www.BIMuk.org.uk
Legend
Level
Line
Line_Extra_Wide
Line_Fine
Line_Heavy
Line_Light
Line_Medium
Line_Thin
Line_Wide
Line_XX_Wide
Line_XXX_Wide
Lot
Marker
Match_line
North_point
OS_BM
OS_trig_station
Parcel
Pattern
People
Point
Presentation
Readme
Non_Plot
Reference
Revision_annotation
Revision_block
Revision_cloud
Revision
Section_mark
Setting_out
Site_BM
Survey_control_station
Solid_Fill
Span_mark
Status_stamp
Structural_grid
Super_elevation
Survey_control_point
Schedule
Tag
Textual_Context
Title_annotation
Title_sheet
Topo
47
DRAFT 1.0 January 2012
Trees and planting
Vehicles
Vertical alignment
Viewports
Views
Void and opening markers
Wipe Outs and Masks
Zones
Zones and boundaries
Layer Convention
Z73
Z71
Z452
Z111
Z6
Z524
Z251
Z461
Z46
Http://www.BIMuk.org.uk
Tree_planting
Vehicle
Vertical_alignment
Viewport
View
Void
Wipe_out
Zone
Zone_boundary
48
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