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5.0 Annex A—Computer Aided Design and Drafting layers
The standard layer list below lists the most-used layer names defined under the Public Services and Procurement Canada (PSPC) layering standard. New layer names can always be created using the field abbreviations and extensions listed in Annex B—Layer field descriptions. The French abbreviations are listed just for reference and should only be used with drawings annotated in French. As an exception, the Facilities Area Measurement (F) layers abbreviations are in English only as they are used in the departmental internal system for area measurement purposes.
A layer name may include an additional subdivision for grouping subsets of layers that represent building systems or categories of related data. Each subdivision contains a primary layer (X-XX-XXX) and supplementary layers (X-XX-XXX-XXX or X-XX-XXX-XXX-XXX) to subdivide the information with greater precision. The use of supplementary layers is optional and depends on a drawing's requirements.
Architecture
Circulation
| English abbreviation |
Description |
French abbreviation |
| A-CI |
Circulation |
A-CI |
| A-CI-CVY |
Horizontal conveyors, moving sidewalks |
A-CI-HOR |
| A-CI-ELE |
Elevators |
A-CI-ELE |
| A-CI-ELE-BRF |
Lift platforms for barrier-free access |
A-CI-ELE-ACF |
| A-CI-RMP |
Ramps |
A-CI-RAM |
| A-CI-RMP-BRF |
Barrier-free ramps |
A-CI-RAM-ACF |
| A-CI-STR |
Stairs, stairwells and ladders |
A-CI-ESC |
| A-CI-STR-ESC |
Escalators |
A-CI-ESC-ROU |
Ceilings
| English abbreviation |
Description |
French abbreviation |
| A-CL |
Ceilings |
A-PF |
| A-CL-BKH |
Bulkheads |
A-PF-GYP |
| A-CL-FIN |
Ceiling finishes |
A-PF-FIN |
| A-CL-FIN-IDN |
Ceiling finishes description |
A-PF-FIN-NUI |
| A-CL-GRD |
Physical ceiling grid |
A-PF-TRA |
| A-CL-GRD-SCD |
Planning grid lines |
A-PF-TRA-SCD |
| A-CL-OPN |
Openings, penetrations, skylights |
A-PF-OUV |
Deck
| English abbreviation |
Description |
French abbreviation |
| A-DK |
Deck |
A-TR |
| A-DK-BAR |
Deck railings |
A-TR-BAR |
| A-DK-OLN |
Deck outline |
A-TR-CON |
Doors
| English abbreviation |
Description |
French abbreviation |
| A-DR |
Doors |
A-PO |
| A-DR-EXT |
Exterior doors, jambs, casework, swings |
A-PO-EXT |
| A-DR-EXT-IDN |
Exterior doors identification numbers |
A-PO-EXT-NUI |
| A-DR-INT |
Interior doors, jambs, casework, swings |
A-PO-INT |
| A-DR-INT-IDN |
Interior doors identification numbers |
A-PO-INT-NUI |
| A-DR-INT-PRT |
Interior doors in a partition wall |
A-PO-INT-CLS |
Emergency
| English abbreviation |
Description |
French abbreviation |
| A-EM |
Emergency |
A-UR |
| A-EM-HAT |
General hatching |
A-UR-HAC |
| A-EM-HAT-COR |
Corridor hatching |
A-UR-HAC-COR |
| A-EM-HAT-STR |
Staircase hatching |
A-UR-HAC-ESC |
| A-EM-HAT-WAL |
Wall hatching |
A-UR-HAC-MUR |
| A-EM-OLN |
General outline |
A-UR-CON |
| A-EM-OLN-COR |
Corridor outline |
A-UR-CON-COR |
| A-EM-OLN-STR |
Staircase outline |
A-UR-CON-ESC |
| A-EM-OLN-WAL |
Wall outline |
A-UR-CON-MUR |
| A-EM-SYM |
Emergency symbols: exit signs, stairs, first aid kit location, etc. |
A-UR-SYM |
| A-EM-TXT |
Emergency text |
A-UR-TEX |
Floors
| English abbreviation |
Description |
French abbreviation |
| A-FL |
Floors |
A-PC |
| A-FL-CTP |
Countertops |
A-PC-CMP |
| A-FL-CTP-PRT |
Countertops on partitions |
A-PC-CMP-CLS |
| A-FL-FIN |
Floor finishes |
A-PC-FIN |
| A-FL-FIN-IDN |
Floor finishes description |
A-PC-FIN-NUI |
| A-FL-LEV |
Floor level changes, ramps, truck wells |
A-PC-NIV |
| A-FL-MIL |
Architectural specialties, casework and millwork |
A-PC-EBE |
| A-FL-OPN |
Openings, floor hatching |
A-PC-OUV |
| A-FL-OVH |
Overhead items, skylights, overhangs, soffits |
A-PC-SUS |
| A-FL-RAS |
Raised floors |
A-PC-SUR |
General
| English abbreviation |
Description |
French abbreviation |
| A-GL |
General |
A-GL |
| A-GL-ATT |
Attributes |
A-GL-ATT |
| A-GL-DIM |
General architectural dimensions |
A-GL-DIM |
| A-GL-IDN |
Identification, elevation points |
A-GL-NUI |
| A-GL-RME |
Read Me general drawing information |
A-GL-LIS |
| A-GL-TMP |
Under construction lines, temporary aids |
A-GL-TEM |
| A-GL-TXT |
General text (street names) |
A-GL-TEX |
Plan information
| English abbreviation |
Description |
French abbreviation |
| A-PL |
Plan information |
A-PN |
| A-PL-OLN |
Open-to-below plan information outline |
A-PN-CON |
Roofs
| English abbreviation |
Description |
French abbreviation |
| A-RF |
Roofs |
A-TO |
| A-RF-OLN |
Roofs edge and features |
A-TO-CON |
| A-RF-OPN |
Roof openings for fans, stacks and ducts |
A-TO-OUV |
| A-RF-OVH |
Overhead items, roof above, canopies, soffits |
A-TO-SUR |
| A-RF-WLK |
Roof boardwalks, catwalks |
A-TO-PAS |
Windows
| English abbreviation |
Description |
French abbreviation |
| A-WD |
Windows |
A-FN |
| A-WD-EXT |
Exterior window panes and frames |
A-FN-EXT |
| A-WD-INT |
Interior window panes and frames, side windows |
A-FN-INT |
| A-WD-INT-PRT |
Interior windows in a partition wall |
A-FN-INT-CLS |
| A-WD-OVH |
Overhead windows, skylights |
A-FN-SUR |
| A-WD-SIL |
Window sills |
A-FN-ALL |
Non-structural walls
| English abbreviation |
Description |
French abbreviation |
| A-WL |
Non-structural walls |
A-MU |
| A-WL-ACC |
Architectural or protection elements, guards |
A-MU-ACC |
| A-WL-ACC-BRF |
Barrier-free accessories (grab bars, etc.) |
A-MU-ACC-ACF |
| A-WL-EXT |
Exterior walls |
A-MU-EXT |
| A-WL-EXT-HAT |
Exterior walls hatching |
A-MU-EXT-HAC |
| A-WL-FIN |
Wall finishes |
A-MU-FIN |
| A-WL-FIN-IDN |
Wall finishes description |
A-MU-FIN-NUI |
| A-WL-HED |
Door and window headers |
A-MU-LIN |
| A-WL-HED-PRT |
Door and window headers on partition |
A-MU-LIN-CLS |
| A-WL-INT |
Interior walls |
A-MU-INT |
| A-WL-INT-LOW |
Interior walls - low walls |
A-MU-INT-BAS |
| A-WL-INT-LOW-PRT |
Interior partitions - low walls |
A-MU-INT-BAS-CLS |
| A-WL-INT-PRT |
Interior partition walls |
A-MU-INT-CLS |
| A-WL-OLN |
Wall outlines, building footprints, sheds, etc. |
A-MU-CON |
| A-WL-WSR-PRT |
Washroom partitions |
A-MU-SAT-CLS |
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