| Abbreviation | Definition |
|---|---|
| PEB | Pre Engineered Building |
| PEMB | Pre-Engineered Metal Building |
| PHD | Post Hole Digging |
| PICV | Pressure-Independent Control Valve |
| PID | Piping and Instrumentation Diagram |
| PLEA | Passive and Low Energy Architecture |
| PLEA | Passive Low Energy Architecture |
| PMI | Plumbing Manufacturers International |
| PMLA | Preserving Modern Landscape Architecture |
| PNP | Plan And Profile |
| Po | Chamber Pot (from the French - pot de chambre) |
| POD | Portobello Open Door |
| POPS | Privately Owned Public Space(s) |
| PQAA | Province of Quebec Association of Architects |
| PQP | Project Quality Plan |
| PRA | Plunkett Raysich Architects |
| Pro/Engineer | Professional Engineer |
| PS | Pleat style (Architecture) |
| PSA | Platform Security Architecture |
| PSA | Profiles of Selected Architects |
