LEXICON – ABBREVIATIONS – LETTERS P, Q, R
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You are, of course, free to visit the other part of this Lexicon, the Dictionary.
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When you put a lot of these abbreviations on a drawing, it is good practice to send along a sheet identifying all the abbreviations you used. That sheet is appropriately identified as a "Key" or "Legend" or even simply "Abbreviations."
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| P | POLE |
| PAR | PARALLEL |
| PBD | PARTICLE BOARD |
| PCC | PRECAST CONCRETE |
| PCF | POUNDS PER CUBIC FOOT |
| PD | PUMP DISCHARGE |
| PERF | PERFORATE |
| PERM | PERMANENT |
| PH | PREHEAT COIL |
| PL | PLATE |
| PLAM | PLASTIC LAMINATE |
| PLF | POUNDS PER LINEAR FOOT |
| PNL | PANEL |
| PNT | PAINT |
| POS | POSITIVE |
| POSN | POSITION |
| PP | PIPE for building; POWER PANEL for electrical |
| PSL | PARALLEL STRAND LUMBER AKA PARALLAM |
| PT | PRESSURE-TREATED |
| PTC | PAPER TOWEL DISPENSER |
| PTN | PARTITION |
| PRM | PERIMETER |
| PROX | PROXIMATE |
| PSF | POUNDS PER SQUARE FOOT |
| PSG | PASSAGE |
| PSI | POUNDS PER SQUARE INCH |
| PT | POINT |
| PVC | POLYVINYL CHLORIDE |
| PVMT | PAVEMENT |
| PWD | PLYWOOD |
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| QT | QUARRY TILE |
| QRT | QUART |
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| R | RISER |
| RA | RETURN AIR |
| RB | RABBET |
| RBR | RUBBER |
| RBT | RUBBER TILE |
| RR | REBAR |
| RCP | REINFORCED CONCRETE PIPE |
| RD | RADIUS |
| RDL | RADIAL |
| REF | REFERENCE |
| REFL | REFLECT |
| REFR | REFRIGERATOR |
| REG | REGISTER |
| REINF | REINFORCE |
| REM | REMOVE |
| REQD | REQUIRED |
| RES | RESILIENT |
| RET | RETURN |
| REV | REVISE |
| RFD | ROOF DRAIN |
| RFG | ROOFING |
| RFR | RAFTER |
| RGH | ROUGH |
| RH | RIGHT HAND generally; REHEAT COIL for HVAC |
| RM | ROOM |
| RN | RUN |
| RND | ROUND |
| RNG | RANGE |
| RO | ROUGH OPENING |
| RP | RIP |
| RS | ROUGH-SAWN |
| RVS | REVERSE |
| RW | RETAINING WALL |
| RWC | RAIN WATER CONDUCTOR |
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