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DESCRIPTIONSYMBOL VALVES & GAUGES DESCRIPTIONSYMBOL GENERAL HVAC LEGENDABBREVIATIONS DESCRIPTIONSYMBOL DUCTWORK DESCRIPTIONSYMBOL HYDRONIC DESCRIPTIONSYMBOL PIPING DESCRIPTIONSYMBOL MISCELLANEOUS DESCRIPTIONSYMBOL CONTROLS 150 MECHANICAL DRAWING LIST NEW WORK EXISTING WORK TO REMAIN EXISTING WORK TO BE REMOVED FUTURE WORK EXISTING RELOCATED CENTER LINE POINT OF CONNECTION OR POINT OF DISCONNECTION DETAIL 1, DRAWING M-1 SECTION A, DRAWING M-1 ELEVATION 1, DRAWING M-1 RISER IDENTIFICATION EXHAUST #1 EQUIPMENT IDENTIFICATION HEAT PUMP UNIT #1 KITCHEN EQUIPMENT TAG KEYED NOTE DIRECTION OF TRANSFER AIRFLOW (150 CFM) 78 DEGREES FAHRENHEIT (ER) 1 M-1 A M-1 1 M-1 EXH 1 HP 1 # 78°F DIRECTION OF SLOPE DIRECTION OF FLOW PIPE UP (OR UP & DOWN WITH NOTATION) PIPE DOWN PIPE DROP/PIPE RISE TOP CONNECTION - BRANCH LINE BOTTOM CONNECTION - BRANCH LINE PIPE ANCHOR TEE UP TEE DOWN STRAINER STRAINER WITH BLOW OFF INLINE PUMP BASE MOUNTED PUMP TEST TAP (PETE'S PLUG) MANUAL AIR VENT AUTOMATIC AIR VENT VACUUM BREAKER VENT THRU ROOF PIPE GUIDE EXPANSION JOINT FLEXIBLE CONNECTOR UNION CAPPED OR PLUGGED TEE BLIND FLANGE, CAP CONCENTRIC REDUCER EXPANSION LOOP VALVE ON RISE PIPE SIZE (DIAMETER IN INCHES) REFRIGERANT DISCHARGE REFRIGERANT SUCTION PNEUMATIC CONTROL VALVE AIR LINE SOUND TRAP COOLING COIL HEATING COIL RADIANT HEATER BASEBOARD HEATER CHILLED BEAM THRUST BLOCK TEMPERATURE SENSOR THERMOSTAT OR THERMOMETER CARBON DIOXIDE SENSOR OCCUPANCY SENSOR HUMIDITY SENSOR OR HUMIDISTAT STATIC PRESSURE SENSOR REFRIGERANT SENSOR CARBON MONOXIDE SENSOR HYDROGEN SENSOR DUCT SMOKE DETECTOR TEMPERATURE SENSOR STATIC PRESSURE SENSOR PRESSURE SENSOR OR SWITCH DIFFERENTIAL PRESSURE SENSOR AIR FLOW MEASURING STATION HUMIDITY SENSOR FLOW SENSOR OR SWITCH FLOW METER CURRENT SENSOR MOTOR ACTUATOR HYDROGEN MONITOR REFRIGERANT MONITOR ANALOG INPUT ANALOG OUTPUT DIGITAL INPUT DIGITAL OUTPUT BUILDING AUTOMATION SYSTEM PULSING INPUT CHILLED WATER SUPPLY CHILLED WATER RETURN HEATING WATER SUPPLY HEATING WATER RETURN CONDENSER WATER SUPPLY CONDENSER WATER RETURN BALL VALVE SOLENOID CONTROL VALVE PRESSURE AND TEMP. RELIEF VALVE BUTTERFLY VALVE MOTORIZED BUTTERFLY VALVE GATE VALVE BALANCING VALVE ANGLE GATE VALVE GLOBE VALVE ANGLE GLOBE VALVE CHECK VALVE 2-WAY CONTROL VALVE 3-WAY CONTROL VALVE NON-SLAM WAFER CHECK VALVE PRESSURE REDUCING VALVE (PRV) DIAPHRAGM VALVE LOCK SHIELD VALVE NEEDLE VALVE QUICK OPENING VALVE VENTURI FLOW METER PRESSURE GAUGE PRESS. GAUGE WITH COCK AND SNUBBER THERMOMETER ACCESS DOOR / ACCESS PANEL FLEXIBLE CONNECTION FLEXIBLE DUCT RUNOUT TO DIFFUSER RECTANGULAR DUCT SIZE (WIDTH x DEPTH IN INCHES) ROUND DUCT SIZE (DIAMETER IN INCHES) OVAL DUCT SIZE (WIDTH x DEPTH IN INCHES) DUCT THROUGH BEAM PENETRATION DUCT OFFSET (RISE OR DROP) VOLUME DAMPER OR REMOTE VOLUME DAMPER FIRE, SMOKE OR FIRE/SMOKE DAMPER SUPPLY DUCT UP SUPPLY DUCT DOWN EXHAUST DUCT UP EXHAUST DUCT DOWN RETURN DUCT UP RETURN DUCT DOWN CROSS SECTION OF SUPPLY DUCT CROSS SECTION OF EXHAUST AIR DUCT CROSS SECTION OF RETURN AIR DUCT CROSS SECTION OF ROUND DUCT DUCT ELBOW WITH TURNING VANES SMOOTH RADIUS DUCT ELBOW WITHOUT TURNING VANES CONICAL BRANCH FITTING 45 DEGREE BOOT LO-LOSS BRANCH FITTING WYE BRANCH FITTING ACOUSTICAL LINING DUCT (DIMENSION IS INSIDE DIMENSION) MOTORIZED DAMPER INSIDE DUCT TRANSFER DUCT (WITH LINER) INDICATES 8'11" TO BOTTOM OF DUCT RECTANGULAR OR ROUND SUPPLY DIFFUSER OR REGISTER (SEE SCHEDULE). 4-WAY THROW UNLESS INDICATED OTHERWISE. EXAMPLE: SB12X12-400 REFERS TO TAG SB WITH 12"X12" NECK AND 400 CFM RECTANGULAR OR ROUND EXHAUST GRILLE OR REGISTER (SEE SCHEDULE) RECTANGULAR OR ROUND RETURN GRILLE OR REGISTER (SEE SCHEDULE) WALL SUPPLY GRILLE OR REGISTER (SEE SCHEDULE) WALL RETURN OR EXHAUST GRILLE OR REGISTER (SEE SCHEDULE) LINEAR SLOT DIFFUSER (SEE SCHEDULE FOR NUMBER OF SLOTS ). 2-WAY THROW UNLESS NOTED OTHERWISE. EXAMPLES: SN10-48-250 REFERS TO TAG SN WITH 10" ROUND NECK, 48" SLOT LENGTH AND 250 CFM. VARIABLE AIR VOLUME TERMINAL UNIT VARIABLE AIR VOLUME TERMINAL UNIT W/ REHEAT FAN POWERED TERMINAL UNIT FAN POWERED TERMINAL UNIT W/ REHEAT AD/AP TS 6" RD RS A CHWS CHWR HWS HWR CWS CWR (E) (D) AI AO DI DO BAS PI ST CC HC RHT BHT CB 12x6 18ø 24x12ø VD RVD FD SD FSD 12x6 8' - 11" BOD TAG NECK SIZE-CFM TAG NECK SIZE-CFM TAG NECK SIZE-CFM TAG NECK SIZE-CFM TAG NECK SIZE-CFM TAG NECK SIZE-CFM TAG NECK SIZE-LENGTH-CFM 1 M R D (F) NOTE: NOT ALL SYMBOLS OR ABBREVIATIONS ARE APPLICABLE TO THIS PROJECT. REFER TO DETAILS AND NOTES FOR MOUNTING HEIGHTS. T CO2 H SP RS CO H TS DSD SP PS DPS AFMS FS FM CS M A HM RM OS TS HS EQ U I P M E N T / S Y S T E M M O U N T E D D E V I C E WA L L / C E I L I N G MO U N T E D D E V I C E AAV AUTOMATIC AIR VENT AC AIR CONDITIONING ACCEPT ACCEPTANCE ACCU AIR COOLED CONDENSING UNIT ACU AIR CONDITIONING UNIT AD ACCESS DOOR AFF ABOVE FINISHED FLOOR AFMS AIR FLOW MEASURING STATION AFUE ANNUAL FUEL UTILIZATION EFFICIENCY AG AIR GAP AHJ AUTHORITY HAVING JURISDICTION AHU AIR HANDLING UNIT AMB AMBIENT A AMPERE AP ACCESS PANEL APPROX APPROXIMATELY ARCH ARCHITECT ARI AMERICAN REFIRGERATION INSTITUTE AS AIR SEPARATOR AUTO AUTOMATIC AUX AUXILIARY B BOILER BAS BUILDING MANAGEMENT SYSTEM BCC BRANCH CIRCUIT CONTROLLER BDD BACKDRAFT DAMPER BHP BRAKE HORSEPOWER BOD BOTTOM OF DUCT BOP BOTTOM OF PIPE BFP BACKFLOW PREVENTER BSMT BASEMENT BTU BRITISH THERMAL UNIT BTUH BTU PER HOUR BV BALL VALVE OR BALANCING VALVE BYV BUTTERFLY VALVE C COMMON, CONDENSATE OR CONDUIT CA CONTROL AIR CAP CAPACITY CAV CONSTANT AIR VOLUME CB CHILLED BEAM CC COOLING COIL OR CONTROLS CONTRACTOR CEG CEILING EXHAUST GRILLE CER CEILING EXHAUST REGISTER CFF CAP FOR FUTURE CFM CUBIC FEET PER MINUTE CFS CUBIC FEET PER SECOND CHWP CHILLED WATER PUMP CHWR CHILLED WATER RETURN CHWS CHILLED WATER SUPPLY CH CHILLER CHV CHECK VALVE CL CENTERLINE CLG CEILING CO CLEANOUT CONN CONNECTION CONT CONTINUATION CONTR CONTRACTOR COP COEFFICIENT OF PERFORMANCE CP CONTROL PANEL OR CONDENSATE PUMP CR CONDENSATE RETURN CRG CEILING RETURN GRILLE CRR CEILING RETURN REGISTER CSD CEILING SUPPLY DIFFUSER CTE CONNECT TO EXISTING CUFT CUBIC FEET CUIN CUBIC INCHES CV CONSTANT VOLUME OR CONTROL VALVE CW COLD WATER CWP CONDENSER WATER PUMP CWR CONDENSER WATER RETURN CWS CONDENSER WATER SUPPLY DBT DRY BULB TEMPERATURE DDC DIRECT DIGITAL CONTROL DIA DIAMETER DIFF DIFFERENCE DN DOWN DP DIFFERENTIAL PRESSURE DPT DEW POINT TEMPERATURE DSD DUCT SMOKE DETECTOR DWG(S) DRAWINGS(S) DX DIRECT EXPANSION (E) EXISTING EA EXHAUST AIR OR EACH EAD EXHAUST AIR DAMPER EAT ENTERING AIR TEMPERATURE EC ELECTRICAL CONTRACTOR ECON ECONOMIZER EDB ENTERING DRY BULB TEMPERATURE EWT ENTERING WATER TEMPERATURE EER ENERGY EFFICIENCY RATING EF EXHAUST FAN EFF EFFICIENCY ELEC ELECTRICAL EQUIP EQUIPMENT (ER) EXISTING RELOCATED ESP EXTERNAL STATIC PRESSURE ET EXPANSION TANK EWB ENTERING WET BULB TEMPERATURE EXH EXHAUST EXT EXTERNAL F FAHRENHEIT FPB FAN POWERED BOX FC FLEXIBLE CONNECTION OR FAIL CLOSED FCU FAN COIL UNIT FD FIRE DAMPER FF FINAL FILTER OR FINISHED FLOOR FFA/FFB FROM FLOOR ABOVE/BELOW FO FAIL OPEN FPI FINS PER INCH FPM FEET PER MINUTE FPS FEET PER SECOND FSD FIRE/SMOKE DAMPER FT FOOT OR FEET GA GAUGE GAL GALLONS GALV GLAVANIZED GC GENERAL CONTRACTOR GLV GLOBE VALVE GPM GALLONS PER MINUTE GND GROUND GV GATE VALVE H HEIGHT HB HOSE BIBB HC HEATING COIL HD HEAD HOR HORIZONTAL HP HIGH PRESSURE HP HORSEPOWER HP HEAT PUMP HPC HIGH PRESSURE CONDENSATE HPS HIGH PRESSURE STEAM HR HOUR(S) HRU HEAT RECOVERY UNIT HS HUMIDITY SENSOR HV HOSE VALVE HVAC HEATING, VENTILATING AND AIR CONDITIONING HW HEATING WATER HWP HEATING WATER PUMP HWR HEATING WATER RETURN HWS HEATING WATER SUPPLY HX HEAT EXCHANGER HZ FREQUENCY (HERTZ) ID INSIDE DIAMETER IDU INDOOR UNIT (VRF) IN INCH(ES) INPLV INTEGRATED PART LOAD VALUE KE KITCHEN EXHAUST DUCT KW KILOWATT KWH KILOWATT HOUR L LENGTH LAT LEAVING AIR TEMPERATURE LBS POUNDS LDB LEAVING DRY BULB LF LINEAR FEET LP LOW PRESSURE LPC LOW PRESSURE CONDENSATE LPS LOW PRESSURE STEAM LWB LEAVING WET BULB LWT LEAVING WATER TEMPERATURE M MOTOR MA MIXED AIR MAD MIXED AIR DAMPER MAX MAXIMUM MBH THOUSAND BTU PER HOUR MC MECHANICAL CONTRACTOR MCA MINIMUM CIRCUIT AMPACITY MCC MOTORIZED CONTROL CENTER MD MOTORIZED DAMPER MECH MECHANICAL MERV MINIMUM EFFICIENCY RATING VALUE MFR MANUFACTURER MIN MINIMUM MOCP MINIMUM OVER CURRENT PROTECTION MV MANUAL AIR VENT (N) NEW N/A NOT APPLICABLE NC NORMALLY CLOSED NIC NOT IN CONTRACT NO NORMALLY OPEN OR NUMBER NOM NOMINAL NPSH NET POSITIVE SUCTION HEAD NTS NOT TO SCALE OA OUTSIDE AIR OAD OUTSIDE AIR DAMPER OAT OUTSIDE AIR TEMPERATURE OBD OPPOSED BLADE DAMPER OC ON CENTER OD OUTSIDE DAMPER ODU OUTDOOR UNIT (VRF) OFCI OWNER FURNISHED CONTRACTOR INSTALLED OFOI OWNER FURNISHED OWNER INSTALLED OPER OPERATING OV OUTLET VELOCITY P PUMP OR PRESSURE OR POLE PC PUMPED CONDENSATE PD PRESSURE DROP PF PREFILTER PG PIPE GUIDE OR PRESSURE GAUGE PH PHASE (ELECTRICAL) PHC PREHEAT COIL POC POINT OF CONNECTION POD POINT OF DISCONNECTION PRESS PRESSURE PRV PRESSURE REDUCING VALVE PS PRESSURE SENSOR PSI POUNDS PER SQUARE INCH PSIA PSI ABSOLUTE PSIG PSI GAUGE QTY QUANTITY R RELOCATE, RISE, RISER RA RETURN AIR RAD RETURN AIR DAMPER RD REFRIGERANT DISCHARGE REF ROOFTOP EXHAUST FAN REFRIG REFRIGERATION REV REVISE, REVISION OR REVOLUTIONS RF RETURN FAN RH RELATIVE HUMIDITY RHC REHEAT COIL RHT RADIANT HEATER RPM REVOLUTIONS PER MINUTE RS REFRIGERANT SUCTION RTU ROOFTOP UNIT S SUPPLY OR SLOPE SA SUPPLY AIR SCFM CFM, STANDARD CONDITIONS SD SMOKE DAMPER SEER SEASONAL ENERGY EFFICIENCY RATING SEN SENSIBLE SF SUPPLY FAN OR SQUARE FEET SIU SPLIT INDOOR UNIT SOU SPLIT OUTDOOR UNIT SP STATIC PRESSURE SPD SPLITTER DAMPER SPEC SPECIFICATIONS SQ IN SQUARE INCH ST STRAINER OR SOUND TRAP STD STANDARD T THERMOSTAT (NOT TEMPERATURE SENSOR) T THERMOMETER TA TRANSFER AIR TCP TEMPERATURE CONTROL PANEL TD TRANSFER DUCT TDH TOTAL DYNAMIC HEAD TE TOILET EXHAUST DUCT TEMP TEMPERATURE TFA/TFB TO FLOOR ABOVE/BELOW TI TENANT IMPROVEMENT TRG TRANSFER GRILLE TS TEMPERATURE SENSOR TSP TOTAL STATIC PRESSURE TT TEST TAP OR TEST TEE TXV THERMAL EXPANSION VALVE (TYP) TYPICAL U HEAT TRANSFER COEFFICIENT UG UNDERGROUND UH UNIT HEATER UON UNLESS OTHERWISE NOTED V VENT OR VOLUME OR VELOCITY VAV VARIABLE AIR VOLUME VB VACUUM BREAKER VD VOLUME DAMPER VEL VELOCITY VERT VERTICAL VFD VARIABLE FREQUENCY DRIVE VOL VOLUME W WASTE OR WIDTH OR WATTS W/ WITH W/O WITHOUT WB WET BULB TEMPERATURE WC WATER COLUMN WEG WALL EXHAUST GRILLE WG WATER GAUGE WP WORKING PRESSURE WPD WATER PRESSURE DROP WRR WALL RETURN REGISTER WSHP WATER-SOURCE HEAT PUMP WSR WALL SUPPLY REGISTER WT WEIGHT Z ZONE ZD ZONE DAMPER © Gensler Date Description Project Name Project Number Description Scale Seal / Signature 2021 Tel 949.863.9434 Fax 949-553-1676 4675 MacArthur Court Suite 100 Newport Beach, CA 92600 USA EXP: 12/31/2025 N.T.S 6/14/2024 2:08:07 AM BIM 360://007.3757.000 - Caribou Industries - 3rd & Broadway/228011-04_3RD-B_MECH_R20.rvt R2.M0.0 MECHANICAL SYMBOLS,NOTES AND ABBREVIATIONS 228011-04 3rd & Broadway Residential Tower Tenant Interiors 1103 North Broadway Santa Ana, CA 92701 R2-M9.003 MECHANICAL DETAILS X R2-M9.002 MECHANICAL DETAILS X R2-M9.001 MECHANICAL DETAILS X R2-M6.005 REFRIGERANT PIPING SCHEMATIC DIAGRAM X R2-M6.004 REFRIGERANT PIPING SCHEMATIC DIAGRAM X R2-M6.003 REFRIGERANT PIPING SCHEMATIC DIAGRAM X R2-M6.002 REFRIGERANT PIPING SCHEMATIC DIAGRAM X R2-M6.001 REFRIGERANT PIPING SCHEMATIC DIAGRAM X R2-M4.116 REFRIGERANT PIPING PLAN - ROOF X R2-M4.115 REFRIGERANT PIPING PLAN - LEVEL 15 X R2-M4.108 REFRIGERANT PIPING PLAN - LEVEL 08 - LEVEL 14 X R2-M4.107 REFRIGERANT PIPING PLAN - LEVEL 07 X R2-M4.106 REFRIGERANT PIPING PLAN - LEVEL 06 X R2-M4.105 REFRIGERANT PIPING PLAN - LEVEL 05 X R2-M4.102 REFRIGERANT PIPING PLAN - LEVEL 02 X R2-M4.101 REFRIGERANT PIPING PLAN - LEVEL 01 X R2-M3.115 HVAC ZONING PLAN - LEVEL 15 X R2-M3.108 HVAC ZONING PLAN - LEVEL 08 - LEVEL 14 X R2-M3.107 HVAC ZONING PLAN - LEVEL 07 X R2-M3.106 HVAC ZONING PLAN - LEVEL 06 X R2-M3.101 HVAC ZONING PLAN - LEVEL 01 X R2-M2.115 MECHANICAL DUCTWORK PLAN - LEVEL 15 X R2-M2.108 MECHANICAL DUCTWORK PLAN - LEVEL 08 - LEVEL 14 X R2-M2.107 MECHANICAL DUCTWORK PLAN - LEVEL 07 X R2-M2.106 MECHANICAL DUCTWORK PLAN - LEVEL 06 X R2-M2.101 MECHANICAL DUCTWORK PLAN - LEVEL 01G X R2-M0.7 ENERGY CALCULATIONS X R2-M0.6 ENERGY CALCULATIONS X R2-M0.5 ENERGY CALCULATIONS X R2-M0.4 MECHANICAL SCHEDULES X R2-M0.3 MECHANICAL SCHEDULES X R2-M0.2 MECHANICAL SCHEDULES X R2-M0.1 BASIS OF DESIGN AND GENERAL NOTES X R2-M0.0 MECHANICAL SYMBOLS,NOTES AND ABBREVIATIONS X SHEET NUMBER SHEET NAME IS S U E F O R P L A N C H E C K 0 6 . 1 7 . 2 0 2 4 PROJECT No. 228011.04 MECHANICAL DRAWING LIST 3RD & BROADWAY RESIDENTIAL TOWER 2 06.13.2022 ISSUE FOR PLAN CHECK 1 08.10.2022 REISSUE FOR PLAN CHECK 2 06.17.2024 REVISION TO PERMIT 1/15/2025 Revision to 40136842 (issued on 12/1/2023) Rev #40139372 APPROVALS: MECH - CSG