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■ 2 ■ 3 ■ 4 ■ 5■ ■ 7 ■ 8 ■ 9■ 10 ■ 11 ■ 12 ■ 13 ■ 14 ■ 15 ■ 16 ■ 17 ■ 18 ■ 19 20 <br />I <br />■ <br />P <br />■ <br />C <br />■ <br />N <br />■ <br />I� <br />■ <br />L <br />■ <br />■ <br />J <br />■ <br />4 I <br />■ <br />G <br />F <br />■ <br />E <br />■ <br />D <br />■ <br />■ <br />B <br />■ <br />A <br />PIPING SYSTEM ABBREVIATIONS <br />AAV <br />AUTOMATIC AIR VENT <br />WPD <br />WATER PRESSURE DROP <br />CO <br />CLEAN OUT <br />PT <br />(PETE'S PLUG) TEST WELL <br />CV <br />FLOW COEFFICIENT OR CONTROL VALVE <br />NPSH <br />NET POSITIVE SUCTION HEAD <br />DX <br />DIRECT EXPANSION <br />NPSHA <br />NET POSITIVE SUCTION HEAD AVAILABLE <br />EWT <br />ENTERING WATER TEMPERATURE <br />NPSHR <br />NET POSITIVE SUCTION HEAD REQUIRED <br />FC <br />FLEXIBLE CONNECTION <br />OS&Y <br />OUTSIDE STEM AND YOKE <br />FCV <br />FLOW CONTROL VALVE <br />PG <br />PRESSURE GAUGE <br />FM <br />FLOW METER <br />PRV <br />PRESSURE REDUCING VALVE <br />HD <br />HEAD <br />TDH <br />TOTAL DYNAMIC HEAD <br />LWT <br />LEAVING WATER TEMPERATURE <br />MAV <br />MANUAL AIR VENT <br />CONTROL DIAGRAM ABBREVIATIONS <br />Al <br />ANALOG INPUT CONTROL POINT <br />EMS <br />ENERGY MANAGEMENT SYSTEM <br />AO <br />ANALOG OUTPUT CONTROL POINT <br />FC <br />FAIL CLOSED ON LOSS OF POWER <br />BAS <br />BUILDING AUTOMATION CONTROL SYSTEM <br />FO <br />FAIL OPEN ON LOSS OF POWER <br />BI <br />BINARY INPUT CONTROL POINT <br />NC <br />NORMALLY CLOSED WHEN OPERATING <br />BO <br />BINARY OUTPUT CONTROL POINT <br />NO <br />NORMALLY OPEN WHEN OPERATING <br />VFD <br />VARIABLE FREQUENCY DRIVE <br />AIR SIDE SYSTEM ABBREVIATIONS <br />AC <br />AIR CONDITIONING <br />LAT <br />COIL LEAVING AIR TEMPERATURE <br />AF <br />AIR FOIL <br />MA <br />MIXED AIR <br />APD <br />AIR PRESSURE DROP <br />MAT <br />MIXED AIR TEMPERATURE <br />AT <br />AIR TERMINAL <br />MAU <br />MAKE UP AIR <br />BI <br />BACKWARD INCLINE <br />OA <br />OUTSIDE AIR <br />BDD <br />BACKDRAFT DAMPER <br />OAI <br />OUTSIDE AIR INTAKE <br />CD <br />CEILING DIFFUSER (SUPPLY) <br />OBD <br />OPPOSED BLADE DAMPER <br />CFM <br />CUBIC FEET PER MINUTE <br />OED <br />OPEN END DUCT <br />CV <br />CONSTANT VOLUME <br />RA <br />RETURN AIR <br />UC <br />UNDERCUT DOOR <br />RAT <br />RETURN AIR TEMPERATURE <br />DWDI <br />DOUBLE WIDTH DOUBLE INLET <br />RG <br />RETURN AIR GRILLE OR REGISTER <br />DWSI <br />DOUBLE WIDTH SINGLE INLET <br />SA <br />SUPPLY AIR <br />EA <br />EXHAUST AIR <br />SAT <br />SUPPLY AIR TEMPERATURE FROM UNIT <br />EAT <br />COIL ENTERING AIR OR EXHAUST AIR TEMP. <br />SP <br />STATIC PRESSURE <br />EG <br />EXHAUST AIR GRILLE <br />SS <br />STAINLESS STEEL <br />ER <br />EXHAUST AIR REGISTER <br />SWDI <br />SINGLE WIDTH DOUBLE INLET <br />ESP <br />EXTERNAL STATIC PRESSURE <br />SWSI <br />SINGLE WIDTH SINGLE INLET <br />F&B <br />FACE AND BYPASS <br />TG <br />TRANSFER AIR GRILLE <br />FC <br />FOWARD CURVE OR FLEXIBLE CONNECTION <br />TSP <br />TOTAL STATIC PRESSURE <br />FA <br />FREE AREA <br />VAV <br />VARIABLE AIR VOLUME <br />FPI <br />FINS PER INCH <br />WMS <br />WIRE MESH SCREEN <br />HEPA <br />HIGH EFFICIENCY PARTICULATE AIR FILTER <br />FUEL OIL SYSTEM ABBREVIATIONS <br />FF <br />FUEL FILTER <br />FOS <br />FUEL OIL SUPPLY (DISCHARGE) <br />FOG <br />FUEL OIL GUAGE <br />FOT <br />FUEL OIL TANK <br />FOP <br />FUEL OIL PUMP <br />FOV <br />FUEL OIL VENT <br />FOR <br />FUEL OIL RETURN (SUCTION) <br />GENERAL ABBREVIATIONS <br />OF <br />DEGREES FAHRENHEIT <br />MCC <br />MOTOR CONTROL CENTER <br />°C <br />DEGREES CELSIUS <br />MECH <br />MECHANICAL <br />0 <br />DIAMETER <br />MFR <br />MANUFACTURER <br />AD <br />ACCESS DOOR <br />MIN <br />MINIMUM <br />ADJ <br />ADJUSTABLE <br />MOCP <br />MAXIMUM OVERCURRENT PROTECTION <br />AFF <br />ABOVE FINISHED FLOOR <br />MTD <br />MOUNTED <br />AFG <br />ABOVE FINISHED GRADE <br />N/A <br />NOT APPLICABLE <br />AFR <br />ABOVE FINISHED ROOF <br />NC <br />NORMALLY CLOSED OR NOISE CRITERIA <br />ARCH <br />ARCHITECT <br />NEG <br />NEGATIVE <br />BHP <br />BRAKE HORSEPOWER <br />NIC <br />NOT IN CONTRACT <br />BOD <br />BOTTOM OF DUCT <br />NO <br />NORMALLY OPEN <br />BMS <br />BUILDING MANAGEMENT CONTROL SYSTEM <br />NTS <br />NOT TO SCALE <br />BOP <br />BOTTOM OF PIPE <br />OC <br />ON CENTER <br />BTU <br />BRITISH THERMAL UNIT <br />ODP <br />OPEN DRIP PROOF <br />BTUH <br />BRITISH THERMAL UNIT PER HOUR <br />OFCI <br />OWNER FURNISHED CONTRACTOR INSTALLED <br />CLG <br />CEILING <br />OF01 <br />OWNER FURNISHED OWNER INSTALLED <br />CL <br />CENTERLINE <br />PD <br />PRESSURE DROP <br />DB <br />DRY BULB TEMPERATURE <br />PH <br />PHASE <br />DDC <br />DIRECT DIGITAL CONTROL <br />PLBG <br />PLUMBING <br />DN <br />DOWN <br />POC <br />POINT OF CONNECTION <br />DP <br />DIFFERENTIAL PRESSURE <br />POD <br />POINT OF DEMARCATION <br />DWG <br />DRAWING <br />POS <br />POSITION OR POSITIVE <br />EA <br />EACH <br />PSI <br />POUNDS PER SQUARE INCH <br />EFF <br />EFFICIENCY <br />RC <br />ROOM CRITERIA (NOISE) <br />ELEC <br />ELECTRICAL <br />RET <br />RETURN <br />EMER <br />EMERGENCY <br />RH <br />RELATIVE HUMIDITY <br />ENT <br />ENTERING <br />RM <br />ROOM <br />EQUIP <br />EQUIPMENT <br />RPM <br />REVOLUTIONS PER MINUTE <br />EXH <br />EXHAUST <br />SC <br />SENSIBLE COOLING <br />(E) <br />EXISTING <br />SCH <br />SCHEDULE <br />FA <br />FIRE ALARM <br />SH <br />SENSIBLE HEAT <br />FLR <br />FLOOR <br />SPEC <br />SPECIFICATION <br />FP <br />FIRE PROTECTION <br />SQ <br />SQUARE <br />FPM <br />FEET PER MINUTE <br />SF <br />SQUARE FEET <br />FT <br />FEET <br />SS <br />STAINLESS STEEL <br />GA <br />GAUGE <br />STD <br />STANDARD <br />GAL <br />GALLONS <br />TEFC <br />TOTALLY ENCLOSED FAN COOLED <br />GPH <br />GALLONS PER HOUR <br />TEMP <br />TEMPERATURE <br />GPM <br />GALLONS PER MINUTE <br />TON <br />TONS OF REFRIGERATION <br />GYP <br />GYPSUM BOARD <br />V <br />VENT <br />HP <br />HORSEPOWER <br />VAV <br />VARIABLE AIR VOLUME <br />HR <br />HOUR <br />VEL <br />VELOCITY <br />HZ <br />HERTZ <br />VFD <br />VARIABLE FREQUENCY DRIVE <br />ID <br />INSIDE DIAMETER <br />VTR <br />VENT THROUGH ROOF <br />IN <br />INCHES <br />W <br />WIDTH <br />KW <br />KILOWATT <br />W/ <br />WITH <br />LB <br />POUND <br />W/0 <br />WITHOUT <br />LF <br />LINEAR FEET <br />WB <br />WET BULB TEMPERATURE <br />LVG <br />LEAVING <br />WG <br />WATER GAUGE <br />MAX <br />MAXIMUM <br />XFMR <br />TRANSFORMER <br />MBH <br />THOUSAND BRITISH THERMAL UNITS PER <br />HOUR <br />MCA <br />MINIMUM CIRCUIT AMPS <br />DEMOLITION <br />< C > <br />CAP EXISTING <br />//=, " <br />DEMOLITION PIPING <br />< X > <br />EXISTING TO REMAIN <br />' <br />DEMOLITION EQUIPMENT OR DUCT <br />< R > <br />EXISTING TO BE REMOVED <br />DEMOLITION DUCT <br />< RL > <br />EXISTING TO BE RELOCATED <br />F- <br />X <br />SUPPLY DIFFUSER DEMOLITION <br />< NL > <br />EXISTING -NEW LOCATION <br />F_7 <br />RETURN REGISTER/GRILLE DEMOLITION <br />EXHAUST REGISTER/GRILLE DEMOLITION <br />PIPING LEGEND <br />CHWS— <br />CHILLED WATER SUPPLY <br />SLOP <br />PIPE SLOPE (REFER TO PLANS FOR <br />SLOPE) <br />CHWR <br />CHILLED WATER RETURN <br />AUTOMATIC AIR VENT <br />CWS <br />CONDENSER WATER SUPPLY <br />ANGLE VALVE - ELEVATION <br />CWR <br />CONDENSER WATER RETURN <br />C< <br />ANGLE VALVE - PLAN <br />GWS <br />GEOTHERMAL WATER SUPPLY <br />----1 O <br />BALL VALVE <br />GWR <br />GEOTHERMAL WATER RETURN <br />BALL VALVE W/ MEMORY STOP <br />GS <br />GLYCOL SUPPLY <br />BUTTERFLY VALVE <br />GR <br />GLYCOL RETURN <br />BUTTERFLY VALVE WI MEMORY STOP <br />HWS <br />HEATING HOT WATER SUPPLY <br />MOTORIZED BUTTERFLY VALVE <br />HWR <br />HEATING HOT WATER RETURN <br />PRESSURE INDEPENDENT CHARACTERIZED <br />CONTROL VALVE (PICCV) <br />HPWS <br />HEAT PUMP WATER SUPPLY <br />CALIBRATED BALANCING VALVE <br />(CIRCUIT SETTER) <br />HPWR <br />HEAT PUMP WATER RETURN <br />CONTROL VALVE - 2 WAY <br />MUW <br />MAKE UP WATER <br />CONTROL VALVE - 3 WAY <br />PCHWS <br />PROCESS CHILLED WATER SUPPLY <br />•� <br />CHECK VALVE <br />PCHWR— <br />PROCESS CHILLED WATER RETURN <br />DRAIN OFF VALVE (BALL VALVE WI <br />� O M <br />HOSE BIBB, CAP, &CHAIN) <br />CD <br />CONDENSATE DRAIN <br />FLOAT OPERATED VALVE <br />RL <br />REFRIGERANT LIQUID <br />PRESSURE INDEPENDENT FLOW <br />RS <br />REFRIGERANT SUCTION <br />CONTROL VALVE (FLOW LIMITER) <br />FLOW METER <br />LPS <br />LOW PRESSURE STEAM <br />FLOW METER - VENTURI <br />LPR - <br />LOW PRESSURE CONDENSATE RETURN <br />FLOW SWITCH <br />HPS <br />HIGH PRESSURE STEAM <br />DQ — <br />VALVE (2" AND SMALLER -BALL VALVE, <br />HPR <br />HIGH PRESSURE CONDENSATE RETURN <br />LARGER THAN 2"-BUTTERFLY VALVE) <br />MANUAL AIR VENT <br />PC <br />PUMPED STEAM CONDENSATE <br />DOUBLE LINE PIPE RISE <br />PRESSURE REDUCING VALVE <br />PRESSURE SUSTAINING VALVE <br />SINGLE LINE PIPE RISE <br />0 <br />DOUBLE LINE PIPE DROP <br />PRESSURE GAUGE <br />PRESSURE GAUGE W/ COIL SIPHON <br />SINGLE LINE PIPE DROP <br />PUMP (TRIANGLE INDICATES FLOW <br />DIRECTION) <br />C <br />PIPE TEE OFF THE TOP <br />QUICK CLOSING VALVE, FUSIBLE LINK <br />PIPE TEE OFF THE BOTTOM <br />PIPE TEE OFF THE SIDE <br />QUICK OPENING VALVE <br />SAFETY RELIEF VALVE <br />BLIND FLANGE <br />SOLENOID VALVE <br />END CAP <br />STRAINER W/ BLOWDOWN VALVE. HOSE <br />y <br />PIPE BREAK <br />BIBB, & CAP FOR 3/4". (USE GATE VALVE <br />DIRT LEG (MINIMUM 6") <br />— <br />FOR STEAM) <br />STEAM TRAP <br />CO <br />CLEAN OUT <br />Q <br />THERMOSTATIC AIR VENT (STEAM ONLY) <br />11111110- <br />DIRECTION OF FLOW <br />THERMOMETER <br />REDUCER - CONCENTRIC <br />T <br />PETE'S PLUG (TEST WELL) <br />fl <br />REDUCER - ECCENTRIC <br />UNION <br />i ^f <br />FLEXIBLE CONNECTION <br />VACUUM BREAKER <br />PIPE ANCHOR <br />PIPE GUIDE <br />EXPANSION JOINT <br />MECHANICAL COLOR LEGEND <br />COLOR DUCT SYSTEM DESCRIPTION <br />COLOR <br />PIPING SYSTEM DESCRIPTION <br />SUPPLY AIR <br />CHILLED WATER SUPPLY <br />RETURN AIR/TRANSFER AIR <br />CHILLED WATER RETURN <br />EXHAUST AIR <br />HEATING HOT WATER SUPPLY <br />F OUTSIDE AIR <br />HEATING HOT WATER RETURN <br />MAKEUP AIR <br />CONDENSER WATER SUPPLY <br />a� <br />CONDENSER WATER RETURN <br />CONDENSATE DRAIN <br />FUEL OIL SUPPLY <br />FUEL OIL RETURN <br />AIR SYSTEM LEGEND <br />RECTANGULAR SUPPLY/ OUTSIDE AIR <br />DUCT UP <br />CFM <br />SPACE PRESSURIZATION ARROW <br />RECTANGULAR SUPPLY/ OUTSIDE AIR <br />DUCT DOWN <br />UC <br />UNDERCUT DOOR AIRFLOW <br />RECTANGULAR RETURN/ RELIEF AIR <br />DUCT UP <br />SUPPLY AIRFLOW ARROW <br />)- —� <br />RECTANGULAR RETURN/ RELIEF <br />AIR DUCT DOWN <br />RETURN OR EXHAUST AIRFLOW ARROW <br />RECTANGULAR EXHAUST AIR DUCT UP <br />RECTANGULAR EXHAUST AIR DUCT <br />DOWN <br />F7 <br />CEILING DIFFUSER (SUPPLY) <br />RETURN AIR GRILLE OR REGISTER <br />ROUND SUPPLY/ OUTSIDE AIR DUCT UP <br />ROUND SUPPLY/ OUTSIDE AIR DUCT <br />DOWN <br />z ► <br />EXHAUST AIR GRILLE OR REGISTER <br />DIFFUSER WITH FLOW DIRECTION. <br />NO FLOW ARROWS INDICATES <br />w <br />ROUND RETURN/ RELIEF AIR DUCT UP <br />V <br />STANDARD 4-WAY PATTERN. <br />ROUND RETURN/ RELIEF AIR DUCT <br />DOWN <br />SIDE WALL GRILLE <br />-� <br />ROUND EXHAUST AIR DUCT UP <br />O X <br />HUMIDITY SENSOR OR HUMIDISTAT AND <br />NUMBER <br />ROUND EXHAUST AIR DUCT DOWN <br />DUCT WITH LINING OR SOUND INSULATION <br />MOTORIZED CONTROL DAMPER FOR <br />O X <br />SW X <br />� X <br />SENSOR AND NUMBER <br />SWITCH AND NUMBER <br />TEMPERATURE SENSOR OR THERMOSTAT <br />M <br />�� <br />ROUND AND RECTANGULAR DUCT <br />&ZONE NUMBER <br />BDQ, <br />BACKDRAFT DAMPER FOR ROUND AND <br />� X <br />TEMPERATURE SENSOR OR THERMOSTAT <br />RECTANGULAR DUCT <br />WI VANDAL GUARD &ZONE NUMBER <br />FD <br />FIRE DAMPER FOR ROUND AND <br />YR <br />REMOTE DAMPER OPERATOR <br />RECTANGULAR DUCT <br />(YOUNG REGULATOR) <br />SD <br />SMOKE DAMPER FOR ROUND AND <br />DP <br />DIFFERENTIAL PRESSURE SENSOR <br />RECTANGULAR DUCT <br />FSD <br />COMBINATION FIRE/SMOKE DAMPER FOR <br />SD <br />DUCT SMOKE DETECTOR <br />ROUND AND RECTANGULAR DUCT <br />D <br />MANUAL VOLUME DAMPER FOR ROUND <br />SP <br />STATIC PRESSURE SENSOR <br />r <br />AND RECTANGULAR DUCT <br />FLEXIBLE CONNECTION <br />CO <br />CARBON MONOXIDE SENSOR <br />CO <br />CARBON DIOXIDE SENSOR <br />NITROGEN DIOXIDE SENSOR <br />CONTROL DIAGRAM LEGEND <br />FSD <br />MOTORIZED DAMPER - FIRE/ SMOKE <br />HHL <br />HIGH LIMIT HUMIDITY -SWITCH <br />DAMPER, 2 POSITION, SPRING CLOSED <br />TLL <br />LOW LIMIT THERMOSTAT - SWITCH <br />3-WAY CONTROL VALVE <br />THL <br />HIGH LIMIT THERMOSTAT - SWITCH <br />2-WAY CONTROL VALVE <br />SP <br />DIFFERENTIAL STATIC PRESSURE SENSOR <br />DP <br />DIFFERENTIAL PRESSURE SENSOR <br />BUTTERFLY CONTROL VALVE <br />DPS <br />(ANALOG) <br />DIFFERENTIAL PRESSURE SWITCH <br />2 POSITION ACTUATOR <br />SHL <br />STATIC PRESSURE - HIGH LIMIT SWITCH <br />M� <br />MODULATING ACTUATOR <br />SLL <br />STATIC PRESSURE - LOW LIMIT SWITCH <br />2SC <br />2 POSITION - SPRING CLOSED <br />FM <br />FLOW METER <br />2S0 <br />2 POSITION - SPRING OPEN <br />CT <br />CURRENT TRANSDUCER SENSOR <br />(ANALOG) <br />MSC <br />MODULATING - SPRING CLOSED <br />CTS <br />CURRENT TRANSDUCER SWITCH <br />MSO <br />MODULATING - SPRING OPEN <br />a <br />RELAY <br />FLOATING - 24VAC <br />O <br />RELAY CONTACTOR - OPEN WITH NO <br />T <br />CONTROL POWER <br />OT <br />ROOM TEMPERATURE SENSOR <br />® <br />RELAY CONTACTOR - CLOSED WITH NO <br />CONTROL POWER <br />O <br />ROOM HUMIDITY SENSOR <br />TRANSFORMER <br />ROOM THERMOSTAT <br />FUSE <br />�D <br />PIPE TEMPERATURE SENSOR <br />-AL- <br />TWISTED PAIR MULTI -SIGNAL CONTROL <br />WIRING <br />C-�� <br />II� <br />DUCT TEMPERATURE SENSOR <br />DUCT MOUNTED SMOKE DETECTOR <br />pD <br />(S) SUPPLY DUCT MOUNTED <br />�T <br />SERPENTINE TEMPERATURE SENSOR <br />SO P <br />(R) RETURN DUCT MOUNTED <br />(I) IONIZATION (P) PHOTOELECTRIC <br />DUCT HUMIDITY SENSOR <br />bEl <br />HORN <br />STROBE <br />TAGS AND CALL OUT SYMBOLS <br />EQUIP <br />EQUIPMENT REQUIRING ELECTRICAL <br />REVISION CALLOUT <br /># <br />SERVICE. REFER TO SCHEDULES FOR <br />PERFORMANCE REQUIREMENTS. <br />0 <br />KEYNOTE CALLOUT <br />EQUIP <br />EQUIPMENT NOT REQUIRING ELECTRICAL <br />POINT OF CONNECTION <br />SERVICE. REFER TO SCHEDULES FOR <br />PERFORMANCE REQUIREMENTS. <br />e <br />POINT OF DEMARCATION <br />SECTION CALLOUT <br />1 <br />SECTION DESIGNATION <br />SHEET NUMBER <br />XXX <br />A <br />DETAIL CALLOUT <br />DETAIL DESIGNATION <br />XXX <br />SHEET NUMBER <br />exp U.S. Services Inc. <br />t: +1.407.660.0088 <br />f: +1.407.660.1655 <br />2601 Westhall Lane <br />Maitland, FL 32751 <br />USA <br />www.exp.com <br />> <br />Project #: 21011327 <br />ex <br />Cert of Auth: 29701 <br />• <br />SEAL <br />Huntonrui <br />A R C H I T E C T <br />DATE SUBMISSION NO <br />12.17.21 CONSTRUCTION DOCUMENTS <br />MECHANICAL LEGEND <br />PROJ. NO. H-15027.00 SHEET <br />DRAWN Author <br />mmooll <br />1 ■ 2 ■ 3 ■ <br />4 ■ 5 ■ 6 ■ 7 ■ 8 ■ ■ 10 ■ 11 ■ 12 ■ 13 ■ 14 ■ 15 ■ 18 ■ 17 ■ 18 ■ 19 ■ 20 <br />Copyright HuntonBrady Architects P.A. All Rights Reserved. 333 S. Garland Ave., Suite 1100, Orlando, Florida 32801 (407) 839-0886 (407) 839-1709/Fax www.huntonbrady.com License AR91515 <br />