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MECHANICAL PIPING LEGEND
<br />GENERAL
<br />SYMBOL
<br />DESCRIPTION
<br />—1 j-
<br />BREAK IN PIPE
<br />I
<br />CROSSING LINES, NO CONNECTION
<br />DIRECTION OF FLOW
<br />SLOPE
<br />DIRECTION OF SLOPE, DOWN
<br />gig
<br />EQUIPMENT MARK NUMBER
<br />rEXIST
<br />EXISTING WORK
<br />EXISTING TO BE REMOVED
<br />— —
<br />HIDDEN OR BELOW GRADE
<br />IN -LINE RECIRCULATING PUMP
<br />—�
<br />INSULATED PIPE
<br />—�
<br />INSULATED PIPE WITH ELECTRIC HEAT TRACING
<br />NEW WORK
<br />*POC
<br />POINT OF CONNECTION
<br />k?—
<br />PUMP
<br />FIXTURES
<br />SYMBOL
<br />DESCRIPTION
<br />O
<br />CIRCULAR WASHFOUNTAIN
<br />DF
<br />DRINKING FOUNTAIN
<br />EWC
<br />ELECTRIC WATER COOLER
<br />EWCH
<br />ELECTRIC WATER COOLER FOR HANDICAPPED
<br />FD
<br />FLOOR DRAIN
<br />O❑ FS
<br />FLOOR SINK
<br />Q lAV
<br />LAVATORY, ROUND COUNTER MOUNT
<br />❑O LAV
<br />LAVATORY, RECTANGULAR COUNTER OR WALL MOUNT
<br />OO RD (01FD)
<br />ROOF DRAIN (OVERFLOW DRAIN - ROOF)
<br />EWF
<br />SAFETY EYE WASH FOUNTAIN
<br />® SSEW
<br />SAFETY SHOWER AND EYE WASH
<br />Q
<br />SEMI -CIRCULAR WASHFOUNTAIN
<br />�SS
<br />SERVICE SINK, FLOOR MOUNT
<br />�SS
<br />SERVICE SINK, WALL HUNG
<br />®
<br />SHOWER STALL AND FIXTURE
<br />L!
<br />UR
<br />URINAL, WALL HUNG
<br />C:::)WC
<br />WATER CLOSET, FLUSH VALVE, WALL HUNG
<br />0 WC
<br />WATER CLOSET, FLUSH VALVE, FLOOR MOUNT
<br />0 7D
<br />TRENCH DRAIN
<br />WASTE FITTINGS
<br />SYMBOL
<br />DESCRIPTION
<br />1/4 BEND
<br />CO
<br />CLEAN OUT, EXPOSED
<br />0
<br />CLEAN OUT, FLOOR
<br />WCO
<br />CLEAN OUT, WALL
<br />❑
<br />FFD
<br />FUNNEL FLOOR DRAIN
<br />2 FUD
<br />FUNNEL DRAIN
<br />LATERAL
<br />®
<br />TRENCH DRAIN
<br />QO WR
<br />WASTE RECEPTOR, ROOF
<br />RICO
<br />WYE AND 1/8 BEND, SHOWN WITH CLEAN OUT
<br />PIPE IDENTIFICATION
<br />SYMBOL
<br />DESCRIPTION
<br />—A—
<br />COMPRESSED AIR, PLANT
<br />—AR—
<br />ARGON GAS
<br />—AW—
<br />ACID WASTE
<br />— C—
<br />CONDENSATE RETURN (GRAVITY)
<br />—CD—
<br />CHEMICAL DRAIN
<br />—CF—
<br />CHEMICAL FEED
<br />—CHWR—
<br />CHILLED WATER RETURN
<br />—CHWS—
<br />CHILLED WATER SUPPLY
<br />—CLD—
<br />CLEAR WATER DRAIN
<br />—CLWR—
<br />COOLING WATER RETURN
<br />—CLWS—
<br />COOLING WATER SUPPLY
<br />—CRV—
<br />CORROSION RESISTANT VENT
<br />—CRW—
<br />CORROSION RESISTANT WASTE
<br />—CTFR—
<br />COOLING TOWER FILTER RETURN
<br />—CTFS—
<br />COOLING TOWER FILTER SUPPLY
<br />—CTWR—
<br />COOLING TOWER WATER RETURN
<br />—CTWS—
<br />COOLING TOWER WATER SUPPLY
<br />—CW—
<br />DOMESTIC COLD WATER
<br />_DI—
<br />DEIONIZED WATER
<br />—DW—
<br />DISTILLED WATER
<br />—F—
<br />FIRE LINE, AHEAD OF ALARM VALVE
<br />—FH—
<br />FIRE HOSE CABINET PIPING
<br />—FOR—
<br />FUEL OIL RETURN
<br />— FOS—
<br />FUEL OIL SUPPLY
<br />— FOV—
<br />FUEL OIL VENT
<br />— G—
<br />NATURAL GAS
<br />— GN2—
<br />GASEOUS NITROGEN
<br />— HGD—
<br />REFRIGERANT HOT GAS DISCHARGE
<br />— HPC—
<br />CONDENSATE, STEAM (HIGH PRESSURE)
<br />— HPR—
<br />CONDENSATE RETURN (HIGH PRESSURE)
<br />— HPS—
<br />STEAM SUPPLY (HIGH PRESS, 125-250 PSIG)
<br />—HPWS—
<br />HEAT PUMP WATER SUPPLY
<br />—HPWR—
<br />HEAT PUMP WATER RETURN
<br />— HW—
<br />DOMESTIC HOT WATER SUPPLY
<br />— HWC—
<br />DOMESTIC HOT WATER CIRCULATING
<br />—HWR—
<br />HEATING WATER RETURN
<br />—HWS—
<br />HEATING WATER SUPPLY
<br />—IA —
<br />INSTRUMENT AIR
<br />—ID—
<br />INDIRECT DRAIN
<br />—IW —
<br />INDUSTRIAL WASTE
<br />—LN2—
<br />LIQUID NITROGEN
<br />—LPC—
<br />CONDENSATE, STEAM (LOW PRESSURE)
<br />—LPG —
<br />LIQUID PETROLEUM GAS
<br />— LIPS —
<br />STEAM SUPPLY (LOW PRESS, 0-15 PSIG)
<br />— MPC—
<br />CONDENSATE, STEAM (MEDIUM PRESSURE)
<br />—MPS—
<br />STEAM SUPPLY (MEDIUM PRESS, 15-125 PSIG)
<br />—OFD—
<br />OVERFLOW DRAIN
<br />—PCWS—
<br />PROCESS COOLING WATER SOURCE
<br />—PCWR—
<br />PROCESS COOLING WATER RETURN
<br />—PR—
<br />CONDENSATE RETURN (PUMPED)
<br />—PW—
<br />PROCESS WATER
<br />—RD—
<br />ROOF DRAIN
<br />PIPE IDENTIFICATION
<br />SYMBOL
<br />DESCRIPTION
<br />— RDS—
<br />REFRIGERANT DISCHARGE
<br />—RHG—
<br />REFRIGERANT HOT GAS
<br />—RL—
<br />REFRIGERANT LIQUID
<br />—RS—
<br />REFRIGERANT SUCTION (GAS)
<br />— RWL—
<br />RAIN WATER LEADER
<br />—S—
<br />SPRINKLER LINE
<br />—SSW—
<br />SAFETY SHOWER WATER
<br />—SSWR—
<br />SAFETY SHOWER WATER RETURN
<br />— SAN—
<br />SANITARY WASTE ABOVE GRADE
<br />OR FLOOR
<br />--SAN--
<br />SANITARY WASTE BELOW GRADE
<br />OR FLOOR
<br />—SPD—
<br />SUMP PUMP DISCHARGE
<br />— STM—
<br />STEAM SUPPLY
<br />— RWL—
<br />STORM DRAIN ABOVE GRADE OR
<br />FLOOR
<br />--STS--
<br />STORM DRAIN BELOW GRADE OR
<br />FLOOR
<br />--- TP ---
<br />TRAP PRIMER
<br />--- V--
<br />VENT
<br />— VAC—
<br />VACUUM
<br />— VPD—
<br />VACUUM PUMP DISCHARGE
<br />PIPE FITTINGS
<br />SYMBOL
<br />DESCRIPTION
<br />BELL & SPIGOT
<br />11
<br />BLIND FLANGE
<br />BUSHING
<br />--JUUL--
<br />EXPANSION JOINT
<br />FLANGED FITTING
<br />FLEXIBLE PIPE CONNECTION
<br />HB
<br />HOSE BIBB
<br />'FHB
<br />HOSE BIBB - NON FREEZE
<br />PIPE ANCHOR
<br />PIPE CAP SCREWED OR SOLDER JOINT
<br />PIPE CAP, WELDED OR GROOVED
<br />~
<br />PIPE CROSS
<br />SR
<br />PIPE ELBOW, 90' SHORT RADIUS
<br />PIPE ELBOW, 90' LONG RADIUS
<br />PIPE ELBOW, REDUCING
<br />�k
<br />PIPE ELBOW, 45'
<br />�O
<br />PIPE ELBOW, TURNED UP OR TOWARD
<br />PIPE ELBOW, TURNED DOWN OR AWAY
<br />=
<br />PIPE GUIDE
<br />PIPE HANGER
<br />X
<br />I Y
<br />PIPING MATERIAL CHANGE, X TO Y
<br />PIPE PLUG
<br />PIPE REDUCER CONCENTRIC
<br />PIPE REDUCER ECCENTRIC
<br />t
<br />PIPE SUPPORT
<br />~
<br />PIPE TEE, STRAIGHT
<br />F—
<br />PIPE TEE, UP OR TOWARD
<br />H—
<br />PIPE TEE, DOWN OR AWAY
<br />SCREWED FITTING OR AS SPECIFIED
<br />f
<br />SEISMIC HANGER
<br />SOLDERED FITTING
<br />PIPE FITTINGS
<br />SYMBOL
<br />DESCRIPTION
<br />�f
<br />SOLVENT CEMENT
<br />LI
<br />SPRING HANGER
<br />UNION, FLANGED
<br />----i F--
<br />UNION, SCREWED
<br />0o-
<br />WELDED FITTING
<br />PIPING SPECIALTIES
<br />SYMBOL
<br />DESCRIPTION
<br />2 WAY CONTROL VALVE W/PNEUMATIC ACTUATOR
<br />3 WAY CONTROL VALVE W/PNEUMATIC ACTUATOR
<br />0/0
<br />AIR DROP - HOSE, SIMPLEX / DUPLEX
<br />e /®
<br />AIR OUTLET - HARD PIPE, SIMPLEX / DUPLEX
<br />Ca
<br />ANGLE GLOBE VALVE, ELEVATION / PLAN
<br />AUTOMATIC FLOW CONTROL VALVE
<br />NUMBER INDICATES GPM
<br />�AAV
<br />AUTOMATIC AIR VENT (WITH DRAIN)
<br />BFP
<br />BACKFLOW PREVENTER
<br />BALANCE VALVE WITH METERING PORTS
<br />BALANCE VALVE W/O METERING PORTS
<br />B0F/B4F
<br />BALL VALVE, OPEN / CLOSED
<br />BUTTERFLY VALVE
<br />COOLING COIL CHILLED WATER
<br />FLOAT VALVE
<br />FE
<br />FLOWMETER, VENTURI TYPE
<br />FLOWMETER ORIFICE
<br />-0o-/
<br />GATE VALVE, OPEN / CLOSE
<br />GATE VALVE, OUTSIDE SCREW AND YOKE
<br />GATE VALVE, WITH HOSE CONNECTION
<br />/
<br />GLOBE VALVE, OPEN / CLOSED
<br />HEATING COIL
<br />H✓H/
<br />LIFT CHECK VALVE
<br />�MAV
<br />MANUAL AIR VENT (WITH DRAIN)
<br />MOTOR OPERATED VALVE
<br />NEEDLE VALVE
<br />©
<br />NITROGEN DROP
<br />NO
<br />NITROGEN OUTLET
<br />H—
<br />PETCOCK
<br />f H
<br />PETE'S PLUG, WITH BALL VALVE
<br />PLUG VALVE/STOP COCK
<br />PRESSURE GAUGE WITH VALVE
<br />PRESSURE REGULATING VALVE W/EXT PRESS TAP
<br />PRESSURE REGULATING VALVE (SELF CONTAINED)
<br />PRESSURE RELIEF VALVE / SAFETY VALVE
<br />QUICK OPENING VALVE
<br />QUICK CLOSING VALVE, FUSIBLE LINK
<br />SOLENOID OPERATED VALVE
<br />�T
<br />STEAM TRAP
<br />SWING CHECK VALVE WITH FLOW
<br />VACUUM BREAKER
<br />MOISTURE TRAP
<br />S
<br />SOLENOID OPERATED VALVE
<br />PIPING SPECIALTIES
<br />SYMBOL
<br />DESCRIPTION
<br />TEST PLUG
<br />THERMOMETER, LINE MOUNT
<br />THERMOMETER, SEPARABLE WELL MOUNT
<br />T❑
<br />TRAP, FLOAT
<br />TRAP SEAL PRIMER VALVE
<br />UNCLASSIFIED VALVE
<br />Q
<br />VACUUM DROP (LAB VAC)
<br />OV
<br />VACUUM OUTLET (LAB VAC) HARD PIPED
<br />VACUUM CLEANING OUTLET
<br />VALVE BOX
<br />VALVE IN RISER (TYPE SPECIFIED)
<br />T
<br />WATER HAMMER ARRESTOR
<br />~
<br />WYE STRAINER (WITH DRAIN VALVE)
<br />FIRE PROTECTION
<br />SYMBOL
<br />DESCRIPTION
<br />t
<br />2 WAY EARTHQUAKE BRACING
<br />x
<br />4 WAY EARTHQUAKE BRACING
<br />In ALV_
<br />ALARM VALVE, WET
<br />I& ASR
<br />AUTOMATIC SPRINKLER RISER
<br />01—
<br />DRY PIPE VALVE
<br />ELECTRIC BELL
<br />EXISTING SPRINKLER HEADS (TO REMAIN)
<br />EXISTING SPRINKLER HEADS (REMOVE)
<br />FHC
<br />FIRE HOSE CABINET
<br />FS
<br />FIRE DEPARTMENT CONNECTION, WALL TYPE
<br />ZTC V
<br />FIRE DEPARTMENT CONNECTION, YARD TYPE
<br />Li FDC
<br />FIRE DEPARTMENT CONNECTION, FLUSH
<br />FH
<br />FIRE HYDRANT - 2 HOSE OUTLET
<br />FH
<br />FIRE HYDRANT - 2 HOSE OUTLET
<br />AND PUMPER CONNECTION
<br />❑FS
<br />FLOW SWITCH
<br />O
<br />HALON SYSTEM AUTOMATIC DISCHARGE STATION
<br />HALON SYSTEM, MANUAL DISCHARGE STATION
<br />�oc
<br />GROOVED COUPLING, GROOVED CAP
<br />0
<br />MONITOR SWITCH
<br />POST INDICATOR VALVE, YARD
<br />SPRINKLER HEAD, DRY PENDENT
<br />SPRINKLER HEAD, OVER AND UNDER
<br />f
<br />SPRINKLER HEAD, PENDENT, IN LINE, NEW
<br />•T
<br />SPRINKLER HEAD, PENDENT, OFFSET, NEW
<br />SPRINKLER HEAD, SIDEWALL, PENDENT, NEW
<br />S7
<br />SPRINKLER HEAD, SIDEWALL, UPRIGHT, NEW
<br />0—
<br />SPRINKLER HEAD, UPRIGHT, NEW
<br />THRUST BLOCK
<br />}WN
<br />b
<br />WALL INDICATOR VALVE, PLAN / ELEVATION
<br />WMG
<br />WATER MOTOR GONG
<br />WELDING
<br />SYMBOL
<br />DESCRIPTION
<br />ROOT OPENING CONTOUR SYMBOL GROOVE ANGLE,
<br />DEPTH OF FILLING INCLUDED ANGLE
<br />FINISH SYMBOL OF COUNTERSINK
<br />FOR PLUG AND FOR PLUGWELD
<br />SLOT WELDS
<br />EFFECTIVE LENGTH OF WELD
<br />THROAT F PITCH (CENTER TO
<br />SIZE OR CENTER SPACING)
<br />A OF WELDS
<br />STRENGTH FOR
<br />CERTAIN WELDS R FIELD WELD SYMBOL
<br />ARRT S
<br />{ o -8 L— P REFERENCE LINE
<br />(E)
<br />N TO ARROW SIDE
<br />�-1 OR ARROW SIDE
<br />o 0� MEMBER OF JOINT
<br />m �N J}
<br />(N)
<br />WELD ALL AROUND
<br />SYMBOL
<br />ELEMENTS IN THIS AREA REFERENCE LINE
<br />REMAIN AS SHOWN WHEN
<br />TAIL AND ARROW ARE NUMBER OF SPOT OR
<br />((BASIC
<br />REVERSED PROJECTION WELDS
<br />WELD SYMBOL OR
<br />DETAIL REFERENCE
<br />TAIL MAY BE OMMITTED WHEN
<br />REFERENCE ENCE IS NOT USED
<br />SPECIFICATIONS, PROCESS
<br />OR OTHER REFERENCE
<br />p
<br />BACK WELD
<br />FILLET WELD
<br />0
<br />PLUG OR SLOT WELD
<br />SQUARE WELD
<br />O
<br />SPOT OR PROJECTION WELD
<br />LEGEND
<br />GENERAL NOTES
<br />REFERENCE DRAWINGS
<br />CONSTRUCTION NOTES
<br />FOR REFERENCE ONLY
<br />FACILITY DESIGN BY FS DATE 06 , 27 , 2022
<br />SYM
<br />I REVISION
<br />BY
<br />APPROVED
<br />DATE
<br />SYM
<br />REVISION
<br />BY
<br />APPROVED
<br />DATE
<br />BOE//VO ®
<br />ACCEPTABILITY
<br />THIS DESIGN AND/OR
<br />SPECIFICATION IS APPROVED
<br />URAWN
<br />DAIL
<br />SUBTITLE
<br />PIPING LEGEND
<br />CURRENT REVISION
<br />19059373
<br />SYMBOL
<br />D
<br />DATE
<br />10.14.16
<br />A
<br />40-51 AS-BUILTS 964058-01
<br />CANADA
<br />07.22.96
<br />CHECKED
<br />SHEET
<br />M 1 D
<br />B
<br />UTILITY RELOCATION 10739501
<br />SAZAN/FW
<br />12.20.11
<br />ENGINEER
<br />TITLE 40-051 HAZARDOUS CONTAINMENT COMPLIANCE
<br />BUILDING 40-051
<br />MECHANICAL MASTER EVERETT, WA.
<br />APPROVED BY
<br />DEPT.
<br />DATE
<br />C
<br />OBSERVATION TOWER HVAC UPGRADES 12727720
<br />SAZAN/RO
<br />12.11.13
<br />CHECKED
<br />JOB NO. 10739501
<br />COMP NO.
<br />D
<br />40-051 HAZARDOUS CONTAINMENT COMP.-100%IFC 19059373
<br />SAZAN/KB
<br />10.14.16
<br />APPROVED
<br />APPROVED
<br />DWG NO. 40-051-M 1
<br />D
<br />
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