PSPC National Computer Aided Design and Drafting Standard: Mechanical
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5.0 Annex A—Computer Aided Design and Drafting layers
Mechanical
The standard layer list below lists the most-used layer names for the Mechanical discipline 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 on drawings annotated in French.
English abbreviation | Description | French abbreviation |
---|---|---|
H-CS | Control systems | H-SR |
H-CS-AIR | Control air piping | H-SR-AIR |
H-CS-EQP | Control systems equipment | H-SR-EQU |
H-CS-SYM | Control system symbols: thermostats, humidistat, sensors, etc. | H-SR-SYM |
H-CS-TXT | Control system text | H-SR-TEX |
H-CS-WRG | Control wiring | H-SR-CAB |
English abbreviation | Description | French abbreviation |
---|---|---|
H-DW | Domestic water | H-ED |
H-DW-CLD | Domestic cold water | H-ED-EFR |
H-DW-EQP | Domestic water equipment: pumps, water softeners, filters, etc. | H-ED-EQU |
H-DW-FIX | Plumbing fixtures | H-ED-APP |
H-DW-FIX-PRT | Plumbing fixtures on partitions | H-ED-APP-CLS |
H-DW-HOT | Domestic hot water | H-ED-ECD |
H-DW-HOT-RCL | Domestic hot water recirculation | H-ED-ECD-REC |
H-DW-HOT-TNK | Domestic hot water tanks | H-ED-ECD-RSV |
H-DW-ROW | Reverse osmosis water (medical) | H-ED-EOI |
English abbreviation | Description | French abbreviation |
---|---|---|
H-FP | Fire protection | H-PI |
H-FP-CEX | Chemical extinguishing system | H-PI-EXC |
H-FP-CEX-EQP | Chemical extinguishing equipment | H-PI-EXC-EQU |
H-FP-CEX-PIP | Chemical extinguishing piping | H-PI-EXC-TUY |
H-FP-EPE | Explosion-proof equipment | H-PI-EQA |
H-FP-EQP | Fire protection equipment: fire hose cabinet, fire dampers, etc. | H-PI-EQU |
H-FP-FEX | Foamed extinguishing system | H-PI-EXM |
H-FP-FEX-EQP | Foamed extinguishing equipment | H-PI-EXM-EQU |
H-FP-FEX-PIP | Foamed extinguishing piping | H-PI-EXM-TUY |
H-FP-SPK | Sprinkler system | H-PI-GIC |
H-FP-SPK-EQP | Sprinkler equipment | H-PI-GIC-EQU |
H-FP-SPK-PIP | Sprinkler piping | H-PI-GIC-TUY |
H-FP-SPK-SYM | Sprinkler system symbols: sprinkler heads, backflow preventer, etc. | H-PI-GIC-SYM |
H-FP-SPK-TXT | Sprinkler system text | H-PI-GIC-TEX |
H-FP-SPK-ZNS | Sprinkler system zones | H-PI-GIC-ZON |
H-FP-STP | Standpipe system | H-PI-CMG |
H-FP-STP-EQP | Standpipe equipment | H-PI-CMG-EQU |
H-FP-STP-PIP | Standpipe piping | H-PI-CMG-TUY |
H-FP-SYM | Fire protection symbols: fire extinguisher, hydrants Siameseconnections, etc. | H-PI-SYM |
H-FP-TXT | Fire protection text | H-PI-TEX |
English abbreviation | Description | French abbreviation |
---|---|---|
H-HC | Heating and cooling | H-CH |
H-HC-CHL | Chilled water | H-CH-ERF |
H-HC-CHL-RET | Chilled water return | H-CH-ERF-RET |
H-HC-CHL-SUP | Chilled water supply | H-CH-ERF-ALM |
H-HC-CNV | Convectors | H-CH-CNV |
H-HC-COT | Cooling tower water | H-CH-TRF |
H-HC-COT-RET | Cooling tower water return | H-CH-TRF-RET |
H-HC-COT-SUP | Cooling tower water supply | H-CH-TRF-ALM |
H-HC-GLY | Glycol | H-CH-GLY |
H-HC-GLY-RET | Glycol return | H-CH-GLY-RET |
H-HC-GLY-SUP | Glycol supply | H-CH-GLY-ALM |
H-HC-HWA | Heating water | H-CH-ECF |
H-HC-HWA-RET | Heating water return | H-CH-ECF-RET |
H-HC-HWA-SUP | Heating water supply | H-CH-ECF-ALM |
H-HC-HYD | Hydronic equipment | H-CH-HYD |
H-HC-RAD | Radiant heat tubing | H-CH-RAY |
H-HC-REF-EQP | Refrigerant equipment | H-CH-FRI-EQU |
H-HC-RFG | Refrigerant gas | H-CH-GAF |
H-HC-RFL | Refrigerant liquid | H-CH-FLF |
H-HC-STM | Steam | H-CH-VAP |
H-HC-STM-EQP | Steam equipment | H-CH-VAP-EQU |
H-HC-STM-RET | Steam condensate (return) | H-CH-VAP-RET |
H-HC-STM-SUP | Steam supply | H-CH-VAP-ALM |
English abbreviation | Description | French abbreviation |
---|---|---|
H-PB | Plumbing | H-PB |
H-PB-CMA | Compressed air | H-PB-AIC |
H-PB-CMA-EQP | Compressed air equipment | H-PB-AIC-EQU |
H-PB-CO2 | Carbon dioxide gas | H-PB-CO2 |
H-PB-DWV | Drainage waste and vent system | H-PB-REV |
H-PB-DWV-SYM | Symbols: roof drains, floor drains, etc. | H-PB-REV-SYM |
H-PB-DWV-VEN | Ventilating circuit, vents | H-PB-REV-EVE |
H-PB-DWV-WST | Drainage circuit | H-PB-REV-EEU |
H-PB-EQP | Plumbing equipment: pumps, coils motors, grease interceptor, etc. | H-PB-EQU |
H-PB-FOI | Fuel oil | H-PB-MAZ |
H-PB-FOI-EQP | Fuel equipment | H-PB-MAZ-EQU |
H-PB-FOI-RET | Fuel oil return | H-PB-MAZ-RET |
H-PB-FOI-SUP | Fuel oil supply | H-PB-MAZ-ALM |
H-PB-FOI-VEN | Fuel oil vent | H-PB-MAZ-EVE |
H-PB-HEG | Helium gas | H-PB-HEL |
H-PB-HYG | Hydrogen gas | H-PB-HYG |
H-PB-MAN | Access holes | H-PB-PUA |
H-PB-MEG | Methane gas | H-PB-MTH |
H-PB-NGA | Natural gas | H-PB-GAN |
H-PB-NIT | Nitrogen gas | H-PB-AZO |
H-PB-OXY | Oxygen gas | H-PB-OXY |
H-PB-PGA | Propane gas | H-PB-GAP |
H-PB-SYM | Plumbing symbols: gauges, fittings, valves elbows, unions, reducer | H-PB-SYM |
H-PB-VAC | Cleaning system, vacuum | H-PB-NET |
English abbreviation | Description | French abbreviation |
---|---|---|
H-PP | Fuel and process piping | H-TC |
H-PP-MAN | Manholes fuelling stations | H-TC-PUA |
H-PP-MET | Meters | H-TC-CPT |
H-PP-PIP | Fuel and process piping | H-TC-TUY |
H-PP-PMP | Pumping stations | H-TC-PMP |
H-PP-TNK | Fuel tanks | H-TC-RSV |
H-PP-VAL | Valves | H-TC-VAN |
English abbreviation | Description | French abbreviation |
---|---|---|
H-SM | Mechanical schematics and riser diagrams | H-SM |
H-SM-CSY | Control system schematics | H-SM-COM |
H-SM-DRS | Duct riser diagrams | H-SM-CMC |
H-SM-DUC | Duct schematic diagrams | H-SM-COD |
H-SM-PIP | Piping schematic diagrams | H-SM-TUY |
H-SM-PRS | Piping riser diagrams | H-SM-CMT |
H-SM-SYM | Symbols | H-SM-SYM |
H-SM-WST | Waste schematics | H-SM-EEU |
English abbreviation | Description | French abbreviation |
---|---|---|
H-VA | Ventilation and air conditioning | H-VC |
H-VA-COA | Combustion air ductwork | H-VC-ACO |
H-VA-EQP | Equipment: fans, dampers, coils, filters, etc. | H-VC-EQU |
H-VA-EXH | Exhaust air system | H-VC-AEV |
H-VA-EXH-DUC | Exhaust air ductwork | H-VC-AEV-COD |
H-VA-EXH-GRI | Exhaust grilles | H-VC-AEV-GRI |
H-VA-INS | Duct insulation, acoustical lining | H-VC-ISO |
H-VA-OTA | Outside air system | H-VC-AEX |
H-VA-OTA-DUC | Outside air ductwork | H-VC-AEX-COD |
H-VA-OTA-GRI | Outside air grilles | H-VC-AEX-GRI |
H-VA-RET | Return system | H-VC-REP |
H-VA-RET-DUC | Return ductwork | H-VC-REP-COD |
H-VA-RET-GRI | Return grills | H-VC-REP-GRI |
H-VA-SUP | Supply system | H-VC-AMA |
H-VA-SUP-DIF | Supply diffusers | H-VC-AMA-DIF |
H-VA-SUP-DUC | Supply ductwork | H-VC-AMA-COD |
H-VA-VAV | Variable air volume boxes | H-VC-DAV |
H-VA-VEN | Flue, vent, breaching | H-VC-EVE |
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