PWGSC National CADD Standard
5.0 Annex A - CADD Layers
Bridges and Dams Engineering
Table Summary
The Standard Layer List below lists the most-used layer names for the Bridges and Dams Engineering discipline defined under the PWGSC 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 as a reference and should only be used on drawings annotated in French.
| English Abvn | Description | French Abvn |
|---|---|---|
| B-AP | Approach Slabs | B-DA |
| B-AP-PLN | Approach slabs in plan view | B-DA-PLN |
| B-DK | Deck and Components | B-TA |
| B-DK-BAR | Barriers, railings | B-TA-BAR |
| B-DK-CRB | Curbs, sidewalks | B-TA-BOR |
| B-DK-DRN | Deck drains | B-TA-DRA |
| B-DK-JNT | Expansion joints | B-TA-JOC |
| B-DK-PLN | Deck plan | B-TA-PLN |
| B-DK-REB | Deck reinforcing | B-TA-ACR |
| B-DK-STG | Steel grating | B-TA-GRI |
| B-GL | General | B-GL |
| B-GL-DIM | Dimensions | B-GL-DIM |
| B-GL-HAT | Hatching | B-GL-HAC |
| B-GL-LAY | Layout line work | B-GL-TRI |
| B-GL-TXT | Text | B-GL-TEX |
| B-SB | Substructure | B-SO |
| B-SB-ABU | Abutments | B-SO-CUL |
| B-SB-APR | Approach slabs | B-SO-APR |
| B-SB-BRG | Bearing | B-SO-POR |
| B-SB-FTG | Footing | B-SO-SEM |
| B-SB-LIN | Bearing plan line work | B-SO-TRI |
| B-SB-PIR | Piers | B-SO-PIL |
| B-SB-REB | Substructure reinforcing | B-SO-ACR |
| B-SR | Scour Protection | B-PA |
| B-SR-GAB | Gabions | B-PA-GAB |
| B-SR-RRP | Riprap | B-PA-PIR |
| B-SS | Superstructure | B-SP |
| B-SS-BEM | Beams | B-SP-POU |
| B-SS-BRC | Bracing | B-SP-ENT |
| B-SS-CTW | Catwalks | B-SP-PAS |
| B-SS-REB | Superstructure reinforcing | B-SP-ACR |
| B-SS-SNL | Stringers | B-SP-LON |
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