11-233-0101;
SYMBOL
'�I IL�I ITIII
LAI
L11 f
v
0
FDA-
L
LN
L1 Ay
SYMBOL
CWS
CWR
CHWS
CHWR
CD -_---
CR
PC
HWR
HWS
HPS
MPS
LPS
HPR
MPR
LPR
RL
RS
DESCRIPTION
- CEILING DIFFUSER, ROUND NECK
(CEILING DIFFUSERS ARE 4 -WAY THROW UND)
-ROUND DIFFUSER
CEILING RETURN
CEILING EXHAUST
CEILING DIFFUSER, RECTANGULAR OR
SQUARE NECK (CEILING DIFFUSERS
ARE 4 -WAY THROW UNO)
- SUPPLY REGISTER OR GRILLE
(VERTICAL MOUNT, SIDEWALL)
- RETURN /EXHAUST REGISTER OR GRILLE
(VERTICAL MOUNT, SIDEWALL)
- REVISION REFERENCE
- DETAIL REFERENCE: TOP - DETAIL #;
BOTTOM - DRAWING# SHOWN ON
- THERMOSTAT /TEMPERATURE SENSOR
- HUMIDiSTAT /HUMIDITY SENSOR
-DUCT SMOKE DETECTOR
- CONNECT TO EXISTING
- MOTORIZED CQNTP,OL DAMPER
- TEMPERATURE SENSOR
- PRESSURE SENSOR
- BACKDRAFT DAMPER
- NEUTRAL RELATIVE PRESSURE
- POSITIVE RELATIVE PRESSURE
- NEGATIVE RELATIVE PRESSURE
-SHEET NOTE CALLOUT
-SHEET NOTE CALLOUT
-SHEET NOTE CALLOUT
- CEILING MOUNTED ACCESS DOOR
DESCRIPTION-
- CONDENSER WATER SUPPLY
- CONDENSER WATER RETURN
- CHILLED WATER SUPPLY
- CHILLED WATER RETURN
- CONDENSATE
- CONDENSATE RETURN
- PUMPED CONDENSATE
-HOT WATER RETURN
-HOT WATER SUPPLY
-HIGH PRESSURE STEAM SUPPLY
- MEDIUM PRESSURE STEAM SUPPLY
-LOW PRESSURE STEAM SUPPLY
-HIGH PRESSURE STEAM RETURN
- MEDIUM PRESSURE STEAM RETURN
-LOW PRESSURE STEAM RETURN
- REFRIGERANT LIQUID
- REFRIGERANT SUCTION
HVAC SYMBOL LEGEND
SYMBOL �SC;R Ir'] Eluhv
I
e ..4
r_--f
I �
II
M
F
- -- - 24x12 - - - -- }
r-- -------- - - - - -�
IvA
DOWN ;'F� ,'';,;,1 i
1__.
-FIRE DAMPER
(WITH ACCESS PANEL)
(WITH ACCESS PANEL)
- EXISTING FIRE DAMPER TO REMAIN
REMAIN
-SOUND ATTENUATOR
-MOTOR OPERATED CONTROL DAMPER (MOD)
JI1 W VL SI.iRIN(, „TA]10
- MANUAL BALANCING DAMPER
-DOOR GRILLE
- ACCESS DOORS, VERTICAL. OR HORIZONTAL
- STAINLESS STEEL DUCTWORK
LAT UVA: P;J(l,'
N %>l DUCTJvO(� ,. 1R`, MEN: i!TIV SiL)E SHO'1dN
- EXISTING DUCTWORK TO REMAIN
EXISTING DUC WORK TO BE REMOVED
iii L O h�. ��'i1.�L 1V/ PRESSI,.kr_ PP[ 1 ")
Di, CT EL :)O , I-XH. US
-DUCT ELBOW, NFGAIIVE PRESSURE, RETURN
-DUCT ELBOW UP THROUGH ROOF OR SLAB ABOVE
- RECTANGULAR DUCT SECTION UP, POSITIVE PRESSURE,
SUPPLY OR OUTSIDE AIR
`''EC TAIGU! AR SL ,LION J!"
NE,'A IVF PR' S` URE R`.TURN
- R'CTAN,,U1AR DL(_" SF_TION UP, EXHAU`
- ROUND DUCT SEC-!ION lJ,
FLAT OVAL DUCT SECTION UP
. EXHAUST DUCT UP THROUGH SLAB W/
E'AN ON ROOF ABOVE
- EXHAUST FAN ON ROOF W/ DUCT DOWN THROUGH ROOF
HVAC PIPING SYMBOL LEGEND
SYMBOL _ DESCRIPTION
-FLOW DIRECTION
-GATE VALVE
-BALL VALVE
- CALIBRATING BALANCING VALVE
- BUTTERFLY VALVE
-GAS COCK
- --II -UNION
- STRAINER
- CONTROL VALVE
- SOLENOID VALVE
- -D : -PSI REG.
' -CHECK VALVE
-FLOW SWITCH
-SLOPE DIRECTION (DOWN)
-FLEX CONNECTION
- O.S.&Y. GATE VALVE
-STEAM TRAP
n HREE -WAY CONTROL VALVE
Y
i - THERMOMETER
-TWO -WAY CHECK VALVE
- RELIEF VALVE
I -O -VALVE ON RISER
SyV,3t:'.
==c
IL J
I
�X
I
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- - .._-...1
UP
Lw
XXX�XXXXX�XXXZXZXXXZXXX
I
F
�_ D
a
�T
3YMB0L
1
E
I
C
- e
�D D
)E
A
NOTE: SOME SYMBOLS SHOWN ON THIS LEGEND MAY NOT PERTAIN TO THIS PROJECT
DESCRIPTION
TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME
- TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME
WITH ELECTRIC HEAT
- TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME,
FAN POWERED
- TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME,
FAN POWERED, WITH ELECTRIC HEAT
- ELECTRIC DUCT HEATER (W/ PANEL CLEARANCE)
- HYDRONIC REHEAT COIL
- INLINE CENTRIFUGAL FAN
- PACKAGED TERMINAL AIR CONDITIONER (PTAC)
- CHANGE OF ELEVATION
- FLEXIBLE DUCT
- TRANSITION, CONCENTRIC
- TRANSITION, ECCENTRIC
- TRANSITION, SQUARE TO ROUND
- SQUARE THROAT ELBOW
W /TURNING VANES
- RADIUS ELBOW
- RECTANGULAR /ROUND BRANCH TAKE -OFF
OR ROUND /ROUND BRANCH TAKE -OFF
- SQUARE THROAT TEE
- RADIUS TEE
- RECTANGLE -TO - ROUND TAKE -OFF
- STANDARD BRANCH TAKE -OFF
- SPIN -IN TAKE -OFF
DESCRIPTION
- P -TRAP
- MANUAL VENT
- PRESSURE GAUGE
-FLOW METER
-WATER METER
- INLINE PUMP
- INLINE PUMP
-CAP
- CONNECTION, BOTTOM
- CONNECTION, TOP
- COUPLING
-ELBOW, 90'
- ELBOW, 45'
- ELBOW, TURNED DOWN
- ELBOW, TURNED UP
-TEE, OUTLET DOWN
-TEE, OUTLET UP
-45' PIPE RISE (R) / DROP (D)
-PIPE ANCHORS
- CONCENTRIC REDUCER
- ECCENTRIC REDUCER
SYMBOL
HVAC ABBREVIATIONS
DESCRIPTION SYMBOL DESCRIPTION
AFD
- ADJUSTABLE FREQUENCY DRIVE
MCA
- MINIMUM CIRCUIT AMPS
AFF
-ABOVE FINISHED FLOOR
MOCP
- MAXIMUM OVER CURRENT PROTECTION
AFR
-ABOVE FINISHED ROOF
MOD
-MOTOR OPERATED CONTROL DAMPER (MOD)
AHU
-AIR HANDLING UNIT
NC
-NORMALLY CLOSED
AP
- ACCESS PANEL
NO
- NORMALLY OPEN
BOP
- BOTTOM OF PIPE
NTS
--NOT TO SCALE
BHP
-BRAKE HORSEPOWER
OA
- OUTSIDE AIR
BTU
- BRITISH THERMAL UNIT
OAL
- OUTSIDE AIR LOUVER
- CENTER LINE
PRV
-- PRESSURE REDUCING VALVE
-CFM (CUBIC FEET PER MINUTE)
PRS
- PRESSURE REDUCING STATION
CD
-- CEILING DIFFUSER
PSI
- POUNDS PER SQUARE INCH
CT
- COOLING TOWER
PSIG
- -PSI GAUGE
CV
CONSTANT AIR VOLUME
PTAC
- PACKAGED TERMINAL AIR CONDITIONER
CFM
-CUBIC FEET PER MINUTE
PVC
- POLYVINYL CHLORIDE PIPE
CU
- CONDENSING UNIT
RA
- RETURN AIR
DDC
- DIRECT DIGITAL CONTROLS
RHC
- REHEAT COIL
DIN
-DOWN
RHP
- ROOFTOP HEAT PUMP
EAT
- ENTERING AIR TEMPERATURE
RPM
- REVOLUTIONS PER MINUTE
ESP
- EXTERNAL STATIC PRESSURE
RS /L
- REFRIGERANT SUCTION do LIQUID LINES
EWT
- ENTERING WATER TEMPERATURE
RTU
- ROOFTOP AIR HANDLING UNIT
FCU
-FAN COIL UNIT
SA
- SUPPLY AIR
FD
-FIRE DAMPER
SP
- STATIC PRESSURE
FF
-FINAL FILTERS
TSP
-TOTAL STATIC PRESSURE
FLA
-FULL LOAD AMPS
UNO
- UNLESS NOTED OTHERWISE
FPM
--FEET PER MINUTE
V /PH
-VOLTS /PHASE
GPM
- GALLONS PER MINUTE
VAV
- VARIABLE AIR VOLUME
KW
- KILOWATT
VFD
- VARIABLE FREQUENCY DRIVE
EAT
- LEAVING AIR TEMPERATURE
p P
- CHANGE IN PRESSURE
LWT
- LEAVING WATER TEMPERATURE
AT
- CHANGE IN TEMPERATURE
ED
- LINEAR DIFFUSER
MBH
- THOUSAND BTUs PER HOUR
HVAC EQUIPMENT TAGS
TAG
=A2
\-CFM
AHU NUMBER
AHU -1
-AIR DISTRIBUTION DEVICE
-AIR HANDLING UNIT
AHU NUMBER � �COIL NUMBER
RHC -1 -1 - REHEAT COIL
VARIABLE /CONSTANT AIR VOLUME TERMINAL UNITS
TERMINAL UNIT TYPE AHU NUMBER
VTU - VARIABLE TERMINAL UNIT
CTU - CONSTANT TERMINAL UNIT TERMINAL NUMBER
PTU - PARALLEL TERMINAL UNIT VTU -1 -1
STU - SERIES TERMINAL UNIT
GENERAL NOTES
1. CONNECTION TO EQUIPMENT SHALL BE VERIFIED WITH MANUFACTURER'S CERTIFIED DRAWINGS.
TRANSITIONS TO ALL EQUIPMENT SHALL BE VERIFIED AND PROVIDED FOR EQUIPMENT
FURNISHED.
2, DIMENSIONS SHALL BE FIELD - VERIFIED AND COORDINATED PRIOR TO PROCUREMENT OR
FABRICATION. COORDINATE THE WORK WITH OTHER TRADES INVOLVED. FIELD MODIFICATIONS
SUCH AS OFFSETS IN PIPING OR DUCTWORK (INCLUDING DIVIDED DUCTWORK) NEEDED DUE
TO OBSTRUCTIONS OR INTERFERENCES SHALL BE PROVIDED AT NO ADDITIONAL COST. FOR
PROJECTS INVOLVING RENOVATION, COORDINATE NEW WORK WITH EXISTING ELEMENTS SUCH
AS THE BUILDING STRUCTURE AND ARCHITECTURAL FEATURES, SPRINKLER PIPING, LIGHTS,
PLUMBING, AND ELECTRICAL CONDUIT.
3. DUCT CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE
SMACNA HVAC DUCT CONSTRUCTION STANDARD.
4. SEE SPECIFICATIONS FOR GAUGES, THICKNESS, BRACING, REQUIREMENTS, ETC., OF DUCTWORK.
5. PROVIDE AIR TURNING VANES IN ALL 90 DEGREE RECTANGULAR DUCT ELBOWS.
6. DUCT SIZES AND ALL OPENINGS THROUGH BUILDING CONSTRUCTION SHALL SUIT EQUIPMENT
FURNISHED.
7. COORDINATE DIFFUSER, GRILLE AND REGISTER LOCATIONS WITH ARCHITECTURAL REFLECTED
CEILING PLANS AND EQUIPMENT OF ALL TRADES.
a. LOCATE THERMOSTATS, TEMPERATURE SENSORS, HUMIDISTATS, AND HUMIDITY SENSORS AT
48" ABOVE FINISHED FLOOR UNLESS NOTED OTHERWISE. COORDINATE LOCATIONS WITH
OTHER EQUIPMENT, FURNITURE, AND DOOR SWINGS,
9. ALL EQUIPMENT, DUCTWORK, ETC., SHALL BE SUPPORTED AS DETAILED AND /OR SPECIFIED.
PROVIDE ADDITIONAL_ SUPPORTS AS REQUIRED TO PROVIDE A VIBRATION -FREE, RIGID
INSTALLATION.
10. ALL DUCT SIZES SHOWN ARE INSIDE CLEAR DIMENSIONS.
11. DAMPERS AND INSIDES OF DUCTS VISIBLE THROUGH GRILLES, REGISTERS AND DIFFUSERS
SHALL BE PAINTED FLAT BLACK.
12. REFER TO TYPICAL DETAILS FOR PIPING AND INSTALLATION OF EQUIPMENT.
13. TRAPPED CONDENSATE DRAINS FROM ALL MECHANICAL EQUIPMENT SHALL BE PROVIDED FOR
PROPER DRAINAGE TO SUIT EQUIPMENT FURNISHED.
14. ACCESS PANELS IN DUCTWORK AND CEILINGS SHALL BE PROVIDED WHERE REQUIRED FOR
OPERATION, BALANCING OR MAINTENANCE OF ALL MECHANICAL EQUIPMENT,
15. ALL DUCTWORK AND PIPING IS SHOWN SCHEMATICALLY. PROVIDE ALL TRANSITIONS, TURNING
VANES, ELBOWS, FITTINGS, ETC., TO ALLOW SMOOTH FLOWS. ALL SPLIT DUCT FITTINGS SHALL
TRANSITION TO FULL SIZE OF THE SUM OF BOTH BRANCHES, UPSTREAM OF SPLIT.
16. PROVIDE CONCRETE HOUSEKEEPING PAD UNDER ALL FLOOR- MOUNTED EQUIPMENT. REFER TO
SPECIFICATIONS FOR DETAILED REQUIREMENTS.
17, VERIFY FINISH WITH ARCHITECT PRIOR TO PURCHASING GRILLES, REGISTERS, DIFFUSERS,
LOUVERS AND OTHER AIR DISTRIBUTION DEVICES.
18. PROVIDE FLEXIBLE DUCT CONNECTIONS ON ALL DUCTWORK CONNECTING TO EACH FAN,
AIR HANDLING UNITS, AND FAN COIL UNITS.
19. PROVIDE TRANSITIONS AT DIFFUSER NECKS AS REQUIRED TO MATCH SIZES OF FLEX DUCTS
TO BE CONNECTED.
20. INTERRUPTIONS TO EXISTING SERVICES SHALL BE SCHEDULED FOR TIMES OTHER THAN
NORMAL OPERATING HOURS (SUCH AS NIGHTS AND WEEKENDS). SUCH INTERRUPTIONS TO
SERVICES SHALL NOT BE MADE WITHOUT THE PRIOR WRITTEN CONSENT OF THE OWNER'S
REPRESENTATIVE AND PROPER COORDINATION WITH OTHER TRADES. PRE WORK SHALL BE
PERFORMED TO MAKE THE SHUTDOWN PERIOD AS BRIEF AS POSSIBLE.
21. ALL EQUIPMENT, DUCTWORK, ETC., TO BE REMOVED SHALL REMAIN PROPERTY OF THE OWNER
OR DISPOSED OF LEGALLY, AS DIRECTED BY OWNER.
22. MAINTAIN CLEARANCE OF A MINIMUM OF 6" BETWEEN DUCTWORK, PIPING, EQUIPMENT, ETC.,
AND ALL FIRE RATED AND FIRE /SMOKE RATED PARTITIONS, TO ALLOW FOR INSPECTIONS OF
RATED WALLS.
23. LOCATE ALL OUTSIDE AIR INTAKES A MINIMUM OF 25' -0" CLEAR FROM ALL PLUMBING VENTS
AND EXHAUST AIR DISCHARGE LOCATIONS, LOWEST POINT OF EACH OUTSIDE AIR INTAKE ON
ROOF SHALL BE A MINIMUM OF 36" ABOVE ROOF.
24. DUCT RUNOUTS TO DIFFUSERS SHALL MATCH THE SIZE OF THE DIFFUSER NECK.
25. WATER PRESSURE DROPS THROUGH COIL CONTROL VALVES SHALL NOT EXCEED 5 PSI.
26. UNLESS OTHERWISE NOTED, ALL EQUIPMENT AND VALVE DRAINS SHALL BE INDEPENDENTLY
PIPED FULL SIZE TO THE NEAREST PLUMBING DRAIN,
27. SLEEVE AND SEAL ALL PIPING PENETRATIONS THROUGH BUILDING PARTITIONS. PROVIDE MANUAL
AIR VENTS AT ALL HIGH POINTS IN CHILLED WATER AND HOT WATER PIPING,
21. PIPING, DUCTWORK, LEAK PROTECTION APPARATUS, OR OTHER EQUIPMENT FOREIGN TO
ELECTRICAL SWITCHBOARDS, PANELBOARDS, DISTRIBUTION BOARDS, OR MOTOR CONTROL
CENTERS SHALL NOT BE INSTALLED WITHIN THE REQUIRED SPACE FOR WORKING CLEARANCES
OR DEDICATED SPACES OF THE ELECTRICAL EQUIPMENT, EXTENDING IN FRONT OF AND FROM
FLOOR TO STRUCTURAL CEILING WITH A WIDTH AND DEPTH OF THE ELECTRICAL EQUIPMENT IN
ACCORDANCE WITH NEC- 110.26.
HVAC DRAWING INDEX
SHEET
DESCRIPTION
M0.0
HVAC LEGEND, GENERAL NOTES do SHEET INDEX
M1.0
PARTIAL 1ST FLOOR DEMO PLAN - HVAC
M2.0
PARTIAL 1ST FLOOR PLAN -HVAC
M3.0
DETAILS AND SCHEDULES HVAC
M4.0
SPECIFICATIONS - HVAC
is
�1.
ISSUED
Yes
Yes
Yes
Yes
AI�CA Project iD - Submission no. 16� -OCl1
Issue: I
02 -18 -2011
0
C
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