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HVAC LEGEND TOWN OF VAIL ADOPTED BUILDING CODES MECHANICAL GENERAL NOTES (CONTINUED) icroY
NOT ALL SYMBOLS LISTED BELOW ARE USED ON THIS SET OF HVAC DRAWINGS O Os/Oak6
INTERNATIONAL BUILDING CODE (2015) WARRANTY: _
MECHANICAL LAYERS NATIONAL ELECTRICAL CODE (2014) 1. CONTRACTOR SHALL UNCONDITIONALLY GUARANTEE ALL LABOR & (N p c
MECHANICAL SYMBOLS MECHANICAL SYMBOLS MECHANICAL ABBREVIATIONS INTERNATIONAL FUEL GAS CODE (2015) MATERIAL ON ALL WORK AGAINST DEFECTS IN WORKMANSHIP AND x 0 'O c
COMPRESSED AIR SYMBOL DESCRIPTION SYMBOL DESCRIPTION ABBR. DESCRIPTION ABBR. DESCRIPTION INTERNATIONAL ENERGY CONSERVATION CODE (2015) MATERIALS FOR A PERIOD OF ONE YEAR, FOLLOWING FINAL 5 oo
AOBD OPPOSED BLADE DAMPER INTERNATIONAL FIRE CODE 2015 ACCEPTANCE. v) "'
C CONDENSATE GRAVITY RETURN � DIRECTION OF FLOW ( ) 0 ��
UNIT MOUNTED THERMOSTAT A/C AIR CONDITIONING OC ON CENTER
INTERNATIONAL MECHANICAL CODE (2015) PENETRATIONS AND RATED ASSEMBLIES: U
CPD CONDENSATE PUMPED DISCHARGE T AC AIR COMPRESSOR OD OUTSIDE DIAMETER
I3 I PITCH DOWN ADJ ADJUSTABLE INTERNATIONAL PLUMBING CODE (2015) 1. THE ARCHITECTURAL PLANS SHALL SERVE AS THE REFERENCE FOR v' 3
CR CONDENSOR RETURN O THERMOSTAT N a)
AF AIR FILTER P PUMP INTERNATIONAL RESIDENTIAL CODE (2015) FOR RATED WALLS AND PARTITIONS. CONTRACTOR SHALL COORDINATE c
CONDENSOR SUPPLY s ._ :.7_,I-
-
CS 1 PIPING CAP OR PLUG AFC ABOVE FINISHED CEILING PC PLUMBING CONTRACTOR ALL ASSOCIATED LOCAL AMENDMENTS
Ts TEMPERATURE SENSOR THE DUCTWORK AND PIPING PENETRATIONS WITH THE GENERAL (in
CWR CHILLED WATER RETURN AFF ABOVE FINISHED FLOOR PD PRESSURE DROP
CWS CHILLED WATER SUPPLY 10 PIPING UP TS AFG ABOVE FINISHED GRADE PH PHASE CONTRACTOR, PRIOR TO CONSTRUCTION. tn- 0
AHU AIR HANDLING UNITN
HPSPIPE MOUNTED TEMP SENSOR PLBG PLUMBING MECHANICAL GENERAL NOTES (1.0a�
HIGH PRESSURE STEAM 10 PIPING DOWNAP ACCESS PANEL PPM PARTS PER MILLION 2. COMBINATION FIRE/SMOKE DAMPERS SHALL BE INSTALLED AT ALL > o
HR HEAT RETURN - APD AIR PRESSURE DROP PSF POUNDS PER SQUARE FOOT REQUIRED RATED WALL PENETRATIONS AND BE WIRED INTO THE FIRE > 3 O•
HWR HEATING WATER RETURN CONCENTRIC REDUCER m DUCT MOUNTED TEMP SENSOR ARI AMERICAN REFRIGERANT INSTITUTE PSI POUNDS PER SQUARE INCH CODES, INSPECTIONS, UTILITIES, AND PERMITS: ALARM PANEL BY THE ELECTRICAL AND/OR FIRE ALARM PANEL co 5 O
ARCH ARCHITECT (URAL) PSIG POUNDS PER SQUARE INCH GAUGE 1. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE CONTRACTOR. COORDINATE TO PROVIDE MOTOR VOLTAGE TO MATCH
HWS HEATING WATER SUPPLY ECCENTRIC REDUCER AS AIR SEPARATOR PVC POLYVINYL CHLORIDE CODES, REGULATIONS, AND LOCAL AMENDMENTS, AS CURRENTLYr 0 O,
---- ISRH IN SLAB RADIANT HEAT ASHRAE AMERICAN SOCIETY OF HEATING, RE- THAT OF THE FIRE ALARM PANEL. INSTALL PER THE MANUFACTURER'S
EXPANSION JOINT \ HUMIDISTAT ATION & AIR CONDITIONING ENG. QTY QUANTITY ADOPTED BY THE AUTHORITY HAVING JURISDICTION (AHJ). INSTRUCTIONS AND THE ADOPTED CODE.
LPS LOW PRESSURE STEAM
MEDIUM PRESSURE STEAM HUMIDITY SENSOR ASME AMERICAN SOCIETY OF MECHANICAL ENG.
FLEXIBLE CONNECTOR 2. CONTRACTOR SHALL OBTAIN ALL PERMITS, INSPECTIONS, AND PAY J. FIRE DAMPERS AND FIRE SMOKE DAMPERS SHALL BE UL LISTED AND
MPS IMI ASTM AMERICAN SOCIETY OF TESTING & RAT RETURN AIR TEMPERATURE .•��,•
RL REFRIGERANT LIQUID MATERIALS RCP REFLECTED CEILING PLAN FOR ALL UTILITY METERS AND UTILITY CONNECTIONS, REQUIRED INSTALLED PER THE MANUFACTURER'S INSTRUCTIONS AND THE .t-�` ti
X PIPE ANCHOR Q DUCT STATIC PRESS. SENSOR AVG AVERAGE RE REFERENCE, or REFER BY THE AHJ FOR PROJECT COMPLETION. ADOPTED CODE. �`� 0 �
REFRIGERANT SUCTION J '? ti e i
-----RS AUX AUXILIARY READ REQUIRED
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-----SMR SNOWMEL T RETURN - ALIGNMENT GUIDE REV REVISION, or REVISE COMMON WORK RESULTS AND COORDINATION: It
, �fl,'.- . ,t
SMS 7SNOWMELT SUPPLY B BOILER RH RELATIVE HUMIDITY 1. CONTRACT DOCUMENTS ARE REPRESENTED BY BOTH DRAWINGS 4. PROVIDE FIRE STOP MATERIAL TO SEAL AROUND DUCT AND PIPE ij d.� --
AND SPECIFICATIONS, WHICH ARE COMPLEMENTARY. IF THERE IS PENETRATIONS THROUGH RATED PARTITIONS AND ASSEMBLIES, IN '-. {
-----BOER SOLAR RETURN �o of FLOW MEASURING DEVICE s BUILDING STATIC SENSOR BAS BUILDING AUTOMATION SYSTEMS RLA RUNNING LOAD AMPS r
BDD BACK DRAFT DAMPER RPM REVOLUTIONS PER MINUTE ACCORDANCE WITH THE ADOPTED CODE. 1
SOLAR SUPPLY A DISCREPANCY IN THE CONTRACT DOCUMENTS THE ENGINEER
SOLS BALANCING VALVE BFG BELOW FINISHED GRADE RTU ROOFTOP UNIT .e ° r,`r {:
X01 CO SENSOR SHALL BE NOTIFIED IMMEDIATELY FOR RESOLUTION. UNTIL :,
DOMESTIC COLD WATER BLDG BUILDING 5. THE SPACE ABOVE THE CEILING MAY BE USED AS A RETURN AIR -., fio� ,a �,
RESOLUTION IS REACHED, THE MORE STRINGENT DESIGN SHALL ••o.sa-°
DOMESTIC HOT WATER BOS BOTTOM OF STRUCTURE SCHED SCHEDULE PLENUM. AS SUCH, ALL MATERIALS USED ABOVE THE CEILING SHALL C-'=
PLUG VALVE DUCT SMOKE DETECTOR BTU BRITISH THERMAL UNIT SF SQUARE FEET TAKE PRECEDENCE. IF THE RESOLUTION FAVORS A LESS COSTLY BE PLENUM RATED WITH A FLAME SPREAD INDEX NOT EXCEEDING 25 - 10N `L -
DOMESTIC HOT WATER RETURN � 1 ® SH SENSIBLE HEAT DESIGN, THE CONTRACTOR WILL BE REQUIRED TO REIMBURSE -
FIRE DAMPER AND A SMOKE-DEVELOPED INDEX NOT EXCEEDING 50.
G NATURAL GAS 11'INC CFM CUBIC FEET PER MINUTE SIM SIMILAR THE DIFFERENCE IN COST
2-WAY CONTROL VALVE SMOKE DAMPER CH CHILLER/WATER COOLED CHILLER SP STATIC PRESSURE
NATURAL GAS 10 PSI DUCTWORK GENERAL NOTES:
CHP CHILLED WATER PUMP SPEC SPECIFICATION 2. DRAWINGS SHALL NOT BE SCALED FOR ROUGH-/N 1. ALL DUCTWORK SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE
G2PS1 NATURAL GAS 2 PS/ COMBINATION FIRE CIRC CIRCULATING SS SANITARY SEWER MEASUREMENTS OR USED AS SHOP DRAWINGS. WHERE DRAWINGS
PROPANE GAS 7" WC HA- 3-WAY CONTROL VALVE Q AND SMOKE DAMPER CL CENTER LINE SQ SQUARE MATERIAL, PRESSURE, AND SEAL CLASS, AS INDICATED ELSEWHERE
P ARE REQUIRED FOR THESE PURPOSES OR HAVE TO BE MADE
PROPANE GAS 10 PSI SECTION LETTER CLG CEILING SSSC SOLID STATE SPEED CONTROL WITHIN THE PROJECT DOCUMENTS.
SOLENOID VALVE A CMU CONCRETE MASONRY UNIT STD STANDARD FROM FIELD MEASUREMENTS, THE CONTRACTOR SHALL TAKE THE
NECESSARY MEASUREMENTS AND PREPARE THE DRAWINGS. 2. ALL DUCT SIZES INDICATED ARE INSIDE CLEAR DIMENSIONS. ACTUAL
TAGS
SECTION DRAWN THIS SHEET CONN CONNECTION
inn" SECTION
CONTINUOUS, CONTINUATION TC TEMPERATURE CONTROL
NEP' SHEET METAL SIZE MAY VARY DEPENDING ON LINER AND WRAP
DETAIL SHOWN ON THIS SHEET COTG CLEANOUT TO GRADE TF TRANSFER FAN 3. DRAWINGS ARE DIAGRAMMATIC IN NATURE AND DO NOT SHOW
SYMBOL DESCRIPTION -A- PRESSURE REDUCING VALVE CPVC CHLORINATED POLYVINYL CHLORIDE TSP TOTAL STATIC PRESSURE EVERY SYSTEM OFFSET REQUIRED. CONTRACTOR SHALL SPECIFICATIONS DEFINED ELSEWHERE WITHIN THE PROJECT
P CRAC COMPUTER ROOM AIR CONDITIONING TSTAT THERMOSTAT DOCUMENTS.
A DETAIL LETTER DESIGNATION COORDINATE WITH THE EXISTING, AND OR NEW STRUCTURE,
EQUIPMENT TAG
Q T PRESSURE AND TEMP TAP UNIT TXV THERMOSTATIC EXPANSION VALVE ELECTRICAL, MECHANICAL, PLUMBING, FIRE PROTECTION AND 3. RUNOUT DUCTS TO SUPPLY AIR DIFFUSERS SHALL MATCH DIFFUSER
IV 'ETAIL DRAWN THIS SHEET CT COOLING TOWER TYP TYPICAL CEILING TO PROVIDE OFFSETS AS REQUIRED AND APPROPRIATE.
FLOW SWITCH CU CONDENSING UNIT NECK SIZE. FACTORY-MADE FLEXIBLE DUCTWORK SHALL BE USED.
O KEY NOTE CW COLD WATER - DOMESTIC UCD UNDERCUT DOOR TRIM TO THE LENGTH REQUIRED FOR PROPER CONNECTION. INSTALL
0 ACCESS DOOR CWP CONDENSER WATER PUMP UH UNIT HEATER 4. CONTRACTOR IS RESPONSIBLE FOR COORDINATING WITH ALL PER MANUFACTURER'S RECOMMENDATIONS. MAXIMUM LENGTH OF
# UL UNDERWRITERS LABORATORIES, INC. OTHER CONSTRUCTION TRADES TO ENSURE PROPER INSTALLATION
PRESSURE GAUGE DB DRY BULB TEMPERATURE UNO UNLESS NOTED OTHERWISE OF SYSTEMS SHOWN ON THESE DOCUMENTS. FLEXIBLE DUCTWORK SHALL BE NO MORE THAN 8'-0"
\#
BACK DRAFT DAMPER
DDC DIRECT DIGITAL CONTROL
BOO DIA DIAMETER VAV VARIABLE AIR VOLUME 5. CONTRACTOR SHALL REVIEW EXISTING FIELD CONDITIONS PRIOR 4. AIR SYSTEMS WITH CAPACITIES GREATER THAN 2000 CFM MAY
THERMOMETER DIFF DIFFUSER VERT VERTICAL REQUIRE DUCT DETECTORS. DUCT DETECTORS SHALL BE PROVIDED
# TO THE PURCHASE, FABRICATION AND INSTALLATION OF ANY
DN DOWN VFD VARIABLE FREQUENCY DRIVE AS PRESCRIBED BY THE ADOPTED CODE, AT THE LOCATIONS
MOTORIZED DAMPER EQUIPMENT, DUCTWORK, PIPING, ETC., AND SHALL INFORM THE
REQUIRED. DUCT DETECTORS SHALL BE INSTALLED AS FOLLOWS.
O NORMALLY CLOSED DWS DRAWING EQU/PMEN
4NC
OX DIRECT EXPANSION W W/DTH, or WASTE ARCHITECT OR GENERAL CONTRACTOR OF ANY DISCREPANCIESPRESS. AND TEMP RELIEF W/ WITH FOR RESOLUTION. MOUNTED BY MECHANICAL CONTRACTOR, POWER WIRING BY
VALVEELECTRICAL CONTRACTOR, CONTROL WIRING BY THE CONTROLS
~
REDUCED PRESSURE BFP -v-.---v-.-- RETURN AIR FLOW E EXISTING W/O WITHOUT CONTRACTOR.
EA EACH WB WET BULB TEMPERATURE 6. REFER TO ARCHITECTURAL DOCUMENTS FOR THERMOSTAT ( ,
�� N- DOUBLE CHECK BFP SUPPLY AIR FLOW EAT ENTERING AIR TEMPERATURE WC WATER COLUMN MOUNTING HEIGHTS, UNLESS NOTED OTHERWISE `J
EC ELECTRICAL CONTRACTOR 5. ALL AIR HANDLING EQUIPMENT IS TO BE ISOLATED PER THE
WCO WALL CLEANOUT J
NENE
ECC ECCENTRIC WG WATER GAUGE 7. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE SPA T/AL VIBRATION ISOLATION SCHEDULE IN SPECIFICATION SECTION. J
X GATE VALVE II ELECTRIC DUCT HEATER EDB ENTERING (AIR TEMPERATURE) DRY BULB WPD WATER PRESSURE DROP REQUIREMENTS, ACOUSTICAL, THERMAL, AND ELECTRICAL
EDH ELECTRIC DUCT HEATER
X GLOBE VALVE EF EXHAUST FAN XFER TRANSFER PERFORMANCE CHARACTERISTICS, AND COORDINATION OF ALL SEQUENCES OF OPERATION
SINGLE LINE DUCTWORK EFF EFFICIENCY INSTALLATION REQUIREMENTS FOR EQUIPMENT SUBSTITUTIONS >
CHECK VALVE ELEC ELECTRICAL FROM THAT DEFINED AS THE BASIS FOR DESIGN. REVIEW AND N
SYMBOL DESCRIPTION
ENGR ENGINEER APPROVAL BY THE DESIGN TEAM DOES NOT ALTER OR MITIGATE HRV-1: Li
-Lir
RECTANGULAR SUPPLY UP
BUTTERFLY VALVE m EQ EQUAL THIS RESPONSIBILITY. 1. THE HRV SERVES THE BATHROOM EXHAUST AND SUPPLIES THE 0 N
EQUIP EQUIPMENT OUTSIDE FOR AIR VENTILATION.
H MOTORIZED BUTTERFLY ESP EXTERNAL STATIC PRESSURE
16
.-
VALVE 8. CONTRACTOR SHALL VISIT THE PROJECT SITE TO BECOME
I6 BALL VALVE \/ RECTANGULAR SUPPLY DOWN ET EXPANSION TANK ACQUAINTED WITH EXISTING CONDITIONS. FAILURE TO DO SO 2. PROVIDE STAND ALONE PROGRAMMABLE CONTROLS TO ACHIEVE THE C N
ETR EXISTING TO REMAIN SHALL NOT RELIEVE CONTRACTOR FROM THE RESPONSIBILITY FOR FOLLOWING: '-
EVAP EVAPORATOR
Q5 ACCUSET VALVE EWB ENTERING WET BULB PERFORMING THE WORK PROPERLY.
--A RECTANGULAR RETURN UP EWT ENTERING WATER TEMPERATURE 2. 1. OPERATION OF THE THE HRV SHALL BE DEFINED BY 4 HOUR E O
Q
DHOSE END DRAIN VALVE MECHANICAL COMMISSIONING: CYCLES, WHICH REPEAT 24 HOURS A DAY, EVERYDAY FOR EACH
F DEGREES FAHRENHEIT 1. MECHANICAL COMMISSIONING SHALL BE PERFORMED IN CYCLE, THE HRV SHALL RUN CONTINUOUSLY RUN TIME DURING = s
RECTANGULAR RETURN DOWN
IN I
STRAINER FCO
FD FLOOR CLEANOUT
FIRE DAMPER COMPLIANCE WITH SECTION C408 OF THE ADOPTED /ECC. CYCLES SHALL BE ADJUSTABLE AT A CENTRAL LOCATION.
(..)
STRAINER WITH BLOWOFF ROUND DUCT UP FLA FULL LOAD AMPS 2. COMMISSIONING SHALL INCLUDE ALL SCHEDULED EQUIPMENT AND F-1:
b FLEX FLEXIBLE WORK INDICATED AS NEW WITHIN THE PLANS AND 1. PROVIDE STAND ALONE PROGRAMMABLE CONTROLS TO ACHIEVE THE
o FT FAN TERMINAL, OR FEET
o H I UNION I ROUND DUCT DOWN SPECIFICATIONS SUCH COMMISSIONING SHALL BE SUFFICIENT TO FOLLOWING:
GAL GALLON DEMONSTRATE INTENDED OPERATING CONDITIONS AND FUNCTIONS.
E
Q GALV GALVANIZED 1. 1. THE FURNACE SHALL BE ENABLED TO RUN AT ALL TIMES, TO (Y)
(0 -H- FLANGED CONN. GC GENERAL CONTRACTOR 3. COMMISSIONING AGENTS SHALL INCLUDE BUT ARE NOT LIMITED PROVIDE HEATING AND COOLING OF THE BUILDING.
RECT. EXHAUST UP GPH GALLONS PER HOUR TO: THE MECHANICAL CONTRACTOR, TAB CONTRACTOR, RELATED
GPM GALLONS PER MINUTE SUB CONTRACTORS. 1.2. ALL ZONES SHALL BE IN THE SAME MODE AT ALL TIMES, EITHER
N PUMP / RECT. EXHAUST ON GROS GRILLES, RESISTERS & DIFFUSERS HEATING OR COOLING.
Q H HEIGHT 4. PRELIMINARY AND FINAL COMMISSIONING REPORTS SHALL BE
THERMOSTATIC STEAM TRAP HD HEAD
FURNISHED TO THE ENGINEER FOR APPROVAL. REPORTS SHALL 1.3. FURNACE SHALL OPERATE TO SATISFY EACH ZONE DEDICATED
TYPICAL BRANCH DUCT HORIZ HORIZONTAL INCLUDE ITEMIZATION OF DEFICIENCIES, DEFERRED TESTS, AND THERMOSTAT, VIA INTEGRAL CONTROL ALGORITHMS THAT MODULATE
4 , FLOAT & THERMOSTATIC I /I 45 TAKE-OFF HP HORSEPOWER, or HEAT PUMP CLIMATIC CONDITIONS, AT A MINIMUM. CENTRAL HEATING, COOLING, AND ZONE AIRFLOW.
TRAP I HSTAT HUMIDISTAT
o DUCT ELBOW WITH HW HOT WATER - DOMESTIC ACCESSAND CLEARANCES: 2. SET POINTS SHALL BE: 75F (COOLING) AND 7OF SET
g INVERTED BUCKET STEAM TURNING VANES (HEATING).
° TRAP HWC HOT WATER CIRCULATING- DOMESTIC 1. MAINTAIN ALL REQUIRED SERVICE AND ACCESS CLEARANCES POINTS SHALL BE ADJUSTABLE
E DUCT ELBOW WITHOUT HX HEAT EXCHANGER REQUIRED BY CODE AND THE MANUFACTURER FOR ALL
E Q MANUAL AIR VENT TURNING VANES EQUIPMENT, INCLUDING THE 36" ELECTRICAL CLEARANCE WHERE AC-1 AND CU-1:
IC INSIDE CLEAR REQUIRED BY THE NEC. 1. UNITS SHALL BE CONTROLLED VIA F-1 AS REQUIRED.
uc-- UNDERCUT DOOR ID INSIDE DIAMETER
N RADIUS ELBOW IN INCH
oI J INSUL INSULLATION 2. CONTRACTOR SHALL PROVIDE ACCESS TO ALL EQUIPMENT, VALVES, 2. CU-1 SHALL CUT-OUT UPON DETECTION OF DRAIN PAN CONDENSATE
N 4 CONNECT NEW TO EX/ST'G
Q INT INTERNAL, OR INTERIOR DAMPERS, ACTUATORS, ETC. LOCATED IN NON-ACCESSIBLE SENSOR IN OVERFLOW PORT
f DUCT TRANSITION IRH INFRARED RADIANT HEATER CEILINGS OR CONCEALED AREAS. ACCESS SHALL BE SUFFICIENT
rn 24x24 CEILING DIFFUSER FOR SERVICING AND MAINTENANCE. RF-1:
---)2E
KEC KITCHEN EQUIPMENT CONTRACTOR 1. THE ELECTRIC RADIANT FLOOR HEATER PROVIDES TEMPORARY TACTILE
4 ; DOUBLE LINE DUCTWORK KW KILOWATT 3. ACCESS PANELS SHALL BE FURNISHED BY MECHANICAL COMFORT ONLY AND IS NOT INTENDED TO PROVIDE SPACE HEATING.
SYMBOL DESCRIPTION CONTRACTOR, AND INSTALLED BY THE GENERAL CONTRACTOR.
f L LENGTH ACCESS PANELS SHALL HAVE APPROPRIATE RATING WHEN 2. PROVIDE STAND-ALONE WALL SWITCH WITH TIMER (ADJUSTABLE) TO
o LB POUNDS (WEIGHT)LAT LEAVING AIR TEMPERATURE
__A___ 24x24 DIFFUSER SQUARE I RECTANGULAR SUPPLY UP PENETRATING A RATED ASSEMBLY. ENERGIZE ELECTRIC MAT FOR THE PERIOD SPECIFIED BY THE OWNER.
NECK
LF LINEAR FEET DUCTWORK SPECIFICATION z
zwX MECHANICAL AND ELECTRICAL SCOPE:
LRA LOCKED ROTAR AMPS1. DUCTWORK SHALL BE GALVANIZED STEEL GAUGES TO MEET SMACNA y
c) RECTANGULAR SUPPLY DOWN 1. WHEN A VFD IS NOT A FACTORY OPTION, ELECTRICAL ENGINEER
W @° ROUND CEILING DIFFUSER LWB LEAVING WET BULB
STANDARDS, UNLESS NOTED OTHERWISE. w
1 LWCO LOW WATER CUT OFF AND CONTRACTOR SHALL FURNISH AND INSTALL, RESPECTIVELY.
SLOT DIFFUSER LWT LEAV/NG WATER TEMPERATURE D CL
or A RECTANGULAR RETURN UP 2. ALL DUCTWORK SHALL BE RATED TO A MINIMUM PRESSURE CLASS OF 1 y a
E 2. ALL SINGLE AND THREE PHASE MOTORS AND STARTERS TO BE y
\ 24x24 RETURN GRILL MAT MIXED AIR TEMPERATURE SPECIFIED AND FURNISHED BY ELECTRICAL, UNLESS OTHERWISE INCH W.C.
m MAX MAXIMUM
RECTANGULAR RETURN DOWN NOTED. DISCONNECTS PROVIDED BY MECHANICAL CONTRACTOR
o, \ 24x12 RETURN GR/LL /� MBH THOUSAND BTU PER HOUR AND WIRED BY THE ELECTRICAL CONTRACTOR. 3. FANS AND EQUIPMENT CONTAINING FANS SHALL BE PROVIDED WITH A
MC MECHANICAL CONTRACTOR FLEXIBLE CONNECTION AT THE INTERFACE OF THE DUCT AND THE
ROUND DUCT UP MCA MINIMUM CIRCUIT AMPS EQUIPMENT o
] VAV AIR BOXb 1111) MECH MECHANICAL TEST AND BALANCE.' 1- oo
MFR MANUFACTURER 1. TESTING, ADJUSTING AND BALANCING (TAB) SHALL BE c
I I ROUND DUCT DOWN4. BUILDING FRAMING CAVITIES ARE PROHIBITED FROM USE AS DUCTS OR
-,-) [ MOMIN MINIMUM PERFORMED BY A SUBCONTRACTOR, CURRENTLY CERTIFIED BY PLENUMS.
o FAN POWERED VAV BOX MOCP MAXIMUM 0VERCURRENT PROTECTION EITHER AABC, NEBB, OR TABB AGENCIES. SUBMIT COPY OF DRAWN BY: AWA
MTD MOUNTED DATED CERTIFICATE TO ARCHITECT. PROVIDE THREE COPIES OF 5. ALL DUCT JOINTS SHALL BE SEALED IN ACCORDANCE WITH SMACNA
i _ A RECT. EXHAUST UP MUA MAKEUP AIR TESTING, ADJUSTING, AND BALANCING REPORTS TO ARCHITECT
FOR REVIEW REFER TO TAB SPECIFICATION FOR ADDITIONAL STANDARDS. CHECKED BY: CL
NC NORMALLY CLOSED
o UNIT HEATER REQUIREMENTS.
RECT. EXHAUST DN NFPA NATIONAL FIRE PROTECTION 6. FLEXIBLE DUCT USED FOR CONDITIONED AIR SHALL BE U.L. APPROVED,
o ` ASSOCIATION VINYL COATED, WIRE REINFORCED FIBERGLASS, WITH MAXIMUM
1 J MC NOT IN CONTRACT 2. TAB WORK SHALL INCLUDE BUT IS NOT LIMITED TO (WHEN CONDUCTANCE OF 0.30. SCALE:NONE
o ) CONICAL SPIN-IN FITTING TYPICAL BRANCH DUCT NK NECK PRESENT): ADJUSTING AND RESHEAVING FANS, AIR HANDLING
45 TAKE-OFF NO NORMALLY OPEN EQUIPMENT, PUMPS, AIR TERMINAL UNITS AND DEVICES,
7. CLEAN OUT ALL DUCTS PRIOR TO SUPPLY AND RETURN GRILLE
Q)
NO. NUMBER CALIBRATING THERMOSTATS, BALANCING VALVES,VES, PRESSURE INSTALLATION
Q) ����\1111111/%�//11111111\���� FLEXIBLE DUCT NTS NOT TO SCALE RELATIONSHIPS, AND MEASURING MOTOR ELECTRICAL
DUCT ELBOW WITH CHARACTERISTICS. 8. RUNOUT DUCTS TO SUPPLY AIR DIFFUSERS SHALL MATCH DIFFUSER Legend and Notes
r MANUAL VOLUME DAMPER TURNING VANES NECK SIZE FACTORY-MADE FLEXIBLE DUCTWORK SHALL BE USED, TRIM g
o 13. TAB WORK MAY INCLUDE REBALANCING EXISTING SYSTEMS AND
1 I DUCT ELBOW WITHOUT EQUIPMENT. AIRFLOWS AND HYDRONIC FLOWS INDICATED IN BOLD TO THE LENGTH REQUIRED FOR PROPER CONNECTION. INSTALL PER
N 71
MI TURNING VANES ARE NEW AND SHALL BE CONSIDERED TO BE WITHIN THE TEST MANUFACTURER'S RECOMMENDATIONS AND APPLICABLE LOCAL CODES.
MOTORIZED DAMPERmim AND BALANCE SCOPE. 9. PROVIDE SPIN-IN FITTINGS WITH MANUAL VOLUME DAMPERS (MVD) AT
N RADIUS ELBOW ALL RUNOUT DUCTS TO DIFFUSER FROM RECTANGULAR DUCTWORK.
�♦ PROVIDE IN-LINE MANUAL VOLUME DAMPERS WHERE A SPIN-/N FITTING M-6 O 2
N WITH A MVD IS NOT FEASIBLE