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A/C AIR CONDITIONING
<br />ABV ABOVE
<br />ACCEPT ACCEPTANCE
<br />ACU AIR CONDITIONING UNIT
<br />AD ACCESS DOOR
<br />ADA AMERICANS WITH DISABILITIES ACT
<br />ADD ADDITION
<br />AFF ABOVE FINISH FLOOR
<br />AHJ AUTHORITY HAVING JURISDICTION
<br />AHU AIR HANDLING UNIT
<br />AP ACCESS PANEL
<br />APPROX APPROXIMATE
<br />ARCH ARCHITECTURAL
<br />ARI AMERICAN REFRIGERATION INSTITUTE
<br />AS AIR SEPARATOR
<br />ASTM AMERICAN SOCIETY FOR TESTING AND MATERIALS
<br />AUTO AUTOMATIC
<br />AUX AUXILIARY
<br />AV AIR VENT
<br />B BOILER
<br />BAS BUILDING AUTOMATION SYSTEM
<br />BDD BACKDRAFT DAMPER
<br />BFF BELOW FINISH FLOOR
<br />BLDG BUILDING
<br />BOD BOTTOM OF DUCT
<br />BOP BOTTOM OF PIPE
<br />BSMT BASEMENT
<br />BV BALL VALVE
<br />BYV BUTTERFLY VALVE
<br />C COMMON, CONDENSATE OR CONDUIT
<br />CA CONTROL AIR, or COMBUSTION AIR
<br />CAC CALIFORNIA ADMINISTRATIVE CODE
<br />CAP CAPACITY
<br />CAV CONSTANT AIR VOLUME
<br />CB CHILLED BEAM
<br />CBC CALIFORNIA BUILDING CODE
<br />CC COOLING COIL OR CONTROLS CONTRACTOR
<br />CD CONSTRUCTION DOCUMENTS
<br />CEC CALIFORNIA ELECTRICAL CODE
<br />CFC CALIFORNIA FIRE CODE
<br />CFM CUBIC FEET PER MINUTE
<br />CH CHILLER
<br />CHV CHECK VALVE
<br />CHWP CHILLED WATER PUMP
<br />CHWR CHILLED WATER RETURN
<br />CHWS CHILLED WATER SUPPLY
<br />CL CENTERLINE
<br />CLG CEILING
<br />CMC CALIFORNIA MECHANICAL CODE
<br />CONN CONNECTION
<br />CP CONTROL PANEL
<br />CPC CALIFORNIA PLUMBING CODE
<br />CV CONSTANT VOLUME OR CONTROL VALVE
<br />CWP CONDENSER WATER PUMP
<br />CWR CONDENSER WATER RETURN
<br />CWS CONDENSER WATER SUPPLY
<br />D DROP OR DRAIN
<br />DDC DIRECT DIGITAL CONTROL
<br />DEMO DEMOLISH / DEMOLITION
<br />DEPT DEPARTMENT
<br />DET DETAIL
<br />DIA DIAMETER
<br />DIFF DIFFERENCE
<br />DISCH DISCHARGE
<br />DN DOWN
<br />DV DIAPHRAGM VALVE
<br />DWG DRAWING
<br />DX DIRECT EXPANSION
<br />(E)EXISTING TO REMAIN
<br />EA EXHAUST AIR OR EACH
<br />EC ELECTRICAL CONTRACTOR
<br />ECON ECONOMIZER
<br />EF EXHAUST FAN
<br />EL ELEVATION
<br />ELEC ELECTRICAL
<br />EQUIP EQUIPMENT
<br />ET EXPANSION TANK
<br />EXH EXHAUST
<br />FC FLEXIBLE CONNECTION OR FAIL CLOSED
<br />FCU FAN COIL UNIT
<br />FD FIRE DAMPER
<br />FF FINISH FLOOR OR FINAL FILTER
<br />FFE FINISH FLOOR ELEVATION
<br />FLR FLOOR
<br />FPB FAN POWERED BOX
<br />FSD FIRE/SMOKE DAMPER
<br />FT FOOT / FEET
<br />G GAS
<br />GA GAUGE, GAGE
<br />GALV GALVANIZED
<br />GLV GLOBE VALVE
<br />GN GENERAL NOTE
<br />GND GROUND
<br />GPM GALLON PER MINUTE
<br />GV GATE VALVE
<br />HC HEATING COIL
<br />HP HORSEPOWER
<br />HP HIGH PRESSURE
<br />HP HEAT PUMP
<br />HPC HIGH PRESSURE CONDENSATE
<br />HPS HIGH PRESSURE STEAM
<br />HRU HEAT RECOVERY UNIT
<br />HVAC HEATING, VENTILATION & AIR CONDITIONING
<br />HW HEATING WATER
<br />HWP HEATING WATER PUMP
<br />HWR HEATING WATER RETURN
<br />HWS HEATING WATER SUPPLY
<br />HX HEAT EXCHANGER
<br />ID INSIDE DIAMETER
<br />IE INVERT ELEVATION
<br />IN INCH
<br />L LENGTH
<br />LP LOW PRESSURE
<br />LPC LOW PRESSURE CONDENSATE
<br />LPS LOW PRESSURE STEAM
<br />M MOTOR
<br />MA MIXED AIR
<br />MAX MAXIMUM
<br />MC MECHANICAL CONTRACTOR
<br />MCC MOTOR CONTROL CENTER
<br />MECH MECHANICAL
<br />MIN MINIMUM
<br />MPC MEDIUM PRESSURE CONDENSATE
<br />MPS MEDIUM PRESSURE STEAM
<br />MV MANUAL AIR VENT
<br />(N)NEW
<br />N/A NOT APPLICABLE
<br />NC NORMALLY CLOSED
<br />NFPA NATIONAL FIRE PROTECTION ASSOCIATION
<br />NIC NOT IN CONTRACT
<br />NTS NOT TO SCALE
<br />OA OUTSIDE AIR
<br />OBD OPPOSED BLADE DAMPER
<br />OC ON CENTER
<br />OD OUTSIDE DIAMETER
<br />OFCI OWNER FURNISHED CONTRACTOR INSTALLED
<br />OFOI OWNER FURNISHED OWNER INSTALLED
<br />P PUMP OR PRESSURE OR POLE
<br />PC PUMPED CONDENSATE
<br />PD PRESSURE DROP
<br />PF PRE FILTER
<br />PG PIPE GUIDE OR PRESSURE GAUGE
<br />PH PHASE
<br />PLBG PLUMBING
<br />POC POINT OF CONNECTION
<br />POD POINT OF DISCONNECTION
<br />PS PRESSURE SENSOR
<br />PSI POUNDS PER SQUARE INCH
<br />QTY QUANTITY
<br />( R )REMOVE
<br />R RISERS, RELOCATE OR RISE
<br />RA RETURN AIR
<br />REFRIG REFRIGERANT
<br />REQ'D REQUIRED
<br />REV REVISE, REVISION OR REVOLUTIONS
<br />RF RETURN FAN
<br />RHC REHEAT COIL
<br />RM ROOM
<br />RS REFRIGERANT SUCTION
<br />RTU ROOFTOP UNIT
<br />SA SUPPLY AIR
<br />SAN SANITARY
<br />SD SMOKE DAMPER
<br />SEN SENSIBLE
<br />SF SUPPLY FAN OR SQUARE FEET
<br />SP STATIC PRESSURE
<br />SPEC SPECIFICATION
<br />SQ FT SQUARE FEET
<br />SQ IN SQUARE INCH
<br />ST STRAINER OR SOUND TRAP OR STEAM TRAP
<br />STD STANDARD
<br />STRUC STRUCTURAL
<br />T THERMOSTAT OR THERMOMETER OR THROAT
<br />TCP TEMPERATURE CONTROL PANEL
<br />TDH TOTAL DYNAMIC HEAD
<br />TEMP TEMPERATURE
<br />THRU THROUGH
<br />TI TENANT IMPROVEMENT
<br />TS TEMPERATURE SENSOR
<br />TSP TOTAL STATIC PRESSURE
<br />TYP TYPICAL
<br />UC UNDERCUT DOOR
<br />UG UNDERGROUND
<br />UH UNIT HEATER
<br />UNO UNLESS NOTED OTHERWISE
<br />VAV VARIABLE AIR VOLUME
<br />VD VOLUME DAMPER
<br />VEL VELOCITY
<br />VFD VARIABLE FREQUENCY DRIVE
<br />W/WITH
<br />W/O WITHOUT
<br />WG WATER GAUGE
<br />WPD WATER PRESSURE DROP
<br />WSHP WATER SOURCE HEAT PUMP
<br />WT WEIGHT
<br />XFMR TRANSFORMER
<br />FR FIRE WRAP
<br />IW INDUSTRIAL WASTE
<br />PE PNEUMATIC ELECTRIC
<br />PCR PRESSURIZED CONDENSATE RETURN
<br />TOP TOP OF DUCT
<br />WMS WIRE MESH SCREEN
<br />ABBREVIATIONS
<br />BACKDRAFT DAMPER
<br />OXYGEN SENSOR0
<br />AUTOMATIC DAMPER (WITH ACTUATOR)
<br />REMOVE EXIST. EQUIP., PIPES, OR DUCT SHOWN HATCHED
<br />SWITCH (MANUAL WALL MOUNT OR DOOR INTERLOCK)
<br />HUMIDITY SENSOR
<br />DOOR LOUVER OR UNDERCUT
<br />DUCT RISE / DUCT DROP
<br />D.L./U.C.
<br />MANUAL VOLUME DAMPER
<br />S
<br />H
<br />FIRE DAMPER
<br />R
<br />EXIST. DUCTWORK TO BE REMOVED & CAPPED
<br />EXIST. MECHANICAL EQUIPMENT & DUCT
<br />EXIST. DIFFUSER, RETURN AIR GRILLE OR EXHAUST GRILLE TO
<br />BE REMOVED
<br />CO2 SENSORCO2
<br />x ROOM THERMOSTAT & ZONE NUMBERT
<br />EM
<br />ME
<br />M
<br />INSTALLED BY MECHANICAL
<br />FURNISHED BY ELECTRICAL
<br />BY MECHANICAL
<br />FURNISHED & INSTALLED
<br />INSTALLED BY ELECTRICAL
<br />FURNISHED BY MECHANICAL
<br />TOTAL LENGTH (FT)
<br />CFM/FT
<br /># OF SLOTS - SLOT WIDTH
<br />AIR QUANTITY (C.F.M.)
<br />NECK SIZE
<br />SUPPLY, RETURN, & EXHAUST REGISTER
<br />LINEAR SUPPLY & RETURN
<br />POINT OF CONNECTION
<br />E
<br />FURNISHED & INSTALLED
<br />BY ELECTRICAL
<br />LIMIT OF DEMOLITION
<br />AIR QUANTITY (CFM)
<br />NECK SIZE
<br />RELIEF AIR GRILLE
<br />DESCRIPTIONSYMBOL
<br />HVAC LEGEND
<br />CONTROLS (PLAN)
<br />SMOKE DETECTORSD
<br />DUCTWORK
<br />14x12
<br />RECTANGULAR DUCT SIZE
<br />(WIDTH x DEPTH IN INCHES)
<br />DUCT WITH SOUND INSULATION
<br />STAINLESS STEEL DUCTWORK
<br />SUPPLY AIR
<br />RETURN AIR
<br />EXHAUST AIR
<br />FLEXIBLE DUCT
<br />14x12
<br />ROUND DUCT SIZE
<br />(WIDTH x DEPTH IN INCHES)
<br />14"Ø
<br />14"Ø
<br />RECTANGULAR DUCT UP
<br />RECTANGULAR DUCT DOWN
<br />DUCT TRANSITION (RECTANGULAR TO ROUND)
<br />LINEAR DIFFUSER
<br />XY.ZZZ KEYNOTE
<br />GENERAL
<br />MECHANICAL GENERAL NOTES
<br />DEMOLITION NOTES
<br />EQUIPMENT ANCHORAGE AND SYSTEM BRACING
<br />1.ALL MECHANICAL, PLUMBING, AND ELECTRICAL COMPONENTS SHALL BE ANCHORED AND
<br />INSTALLED PER THE DETAILS ON THE APPROVED CONSTRUCTION DOCUMENTS. WHERE NO
<br />DETAIL IS INDICATED, THE FOLLOWING COMPONENTS SHALL BE ANCHORED OR BRACED TO
<br />MEET THE FORCE AND DISPLACEMENT REQUIREMENTS PRESCRIBED IN THE 2022 CALIFORNIA
<br />BUILDING CODE REQUIREMENTS IN ACCORDANCE WITH THE AMERICAN SOCIETY OF CIVIL
<br />ENGINEERS - ASCE 7-10, SECTION 13.6 AND TABLE 13.6-1.
<br />a.ALL PERMANENT EQUIPMENT AND COMPONENTS.
<br />b.TEMPORARY OR MOVABLE EQUIPMENT THAT IS PERMANENTLY ATTACHED (E.G. HARD
<br />WIRED) TO THE BUILDING UTILITY SERVICE SUCH AS ELECTRICITY, GAS OR WATER.
<br />c.MOVABLE EQUIPMENT WHICH IS STATION IN ONE PLACE FOR MORE THAN 8 HOURS AND
<br />HEAVIER THAN 400 POUNDS ARE REQUIRED TO BE ANCHORED WITH TEMPORARY
<br />ATTACHMENTS.
<br />2.THE FOLLOWING MECHANICAL AND ELECTRICAL COMPONENTS SHALL BE POSITIVELY ATTACHED
<br />TO THE STRUCTURE, BUT THE ATTACHMENT NEED NOT TO BE DETAILED ON PLAN. THESE
<br />COMPONENTS SHALL HAVE FLEXIBLE CONNECTIONS PROVIDED BETWEEN THE COMPONENT
<br />AND ASSOCIATED DUCTWORK, PIPING AND CONDUIT.
<br />a.COMPONENTS WEIGHING LESS THAN 400 POUNDS AND HAVE A CENTER OF MASS LOCATED
<br />4 FEET OR LESS ABOVE THE ADJACENT FLOOR OR ROOF LEVEL THAT DIRECTLY SUPPORT THE
<br />COMPONENT.
<br />b.COMPONENTS WEIGHING LESS THAN 20 POUNDS, OR IN THE CASE OF DISTRIBUTED
<br />SYSTEMS, LESS THAN 5 POUNDS PER FOOT, WHICH ARE SUSPENDED FROM A ROOF OR
<br />FLOOR HUNG FROM WALL.
<br />3.FOR THOSE ELEMENTS THAT DO NOT REQUIRE DETAILS ON THE APPROVED DRAWINGS, THE
<br />INSTALLATION SHALL BE INSTALLED PER SMACNA GUIDELINES AND/OR MANUFACTURER'S
<br />RECOMMENDATIONS.
<br />4.SEISMIC ANCHORAGE OF EQUIPMENT AND BRACING OF PIPING/DUCTWORK SYSTEMS SHALL BE
<br />PROVIDED IN ACCORDANCE WITH THE AMERICAN SOCIETY OF CIVIL ENGINEERS - ASCE 7-10,
<br />SECTION 13.6 AND TABLE 13.6-1.
<br />1.ALL DRAWINGS ARE CONSIDERED TO BE PART OF THE CONTRACT DOCUMENT. THE
<br />CONTRACTOR SHALL BE RESPONSIBLE FOR THE REVIEW AND COORDINATION OF ALL
<br />DRAWINGS PRIOR TO ANY CONSTRUCTION, INCLUDING STRUCTURAL, PLUMBING, AIR
<br />CONDITIONING AND ELECTRICAL. ANY DISCREPANCIES THAT OCCUR SHALL BE BROUGHT
<br />TO THE ATTENTION OF THE ENGINEER PRIOR TO THE START OF CONSTRUCTION SO
<br />THAT A CLARIFICATION CAN BE ISSUED. ANY WORK PERFORMED IN CONFLICT WITH THE
<br />CONTRACT DOCUMENTS OR ANY CODE REQUIREMENT SHALL BE CORRECTED BY THE
<br />CONTRACTOR AT HIS OWN EXPENSE, AND AT NO EXPENSE TO THE OWNER.
<br />2.ALL SYMBOLS AND ABBREVIATIONS USED ON THE DRAWINGS ARE CONSIDERED TO BE
<br />CONSTRUCTION STANDARDS. IF CLARIFICATION IS REQUIRED, THE CONTRACTOR SHALL
<br />NOTIFY ENGINEER PRIOR TO PROCEEDING WITH THE WORK.
<br />3.DO NOT SCALE DRAWINGS. ALL DIMENSIONS AND JOB SITE CONDITIONS SHALL BE
<br />VERIFIED BY THE CONTRACTOR AT THE JOB SITE PRIOR TO BID SUBMITTAL, START OF
<br />CONSTRUCTION AND/OR FABRICATION OF MATERIALS. IF DISCREPANCIES ARE
<br />ENCOUNTERED, THE ENGINEER SHALL BE NOTIFIED FOR CLARIFICATION.
<br />4.THE CONTRACTOR SHALL FURNISH ALL MATERIALS, LABOR, EQUIPMENT,
<br />TRANSPORTATION AND SERVICES NECESSARY FOR COMPLETION OF THE WORK AND
<br />PROVIDE A FULLY OPERATIONAL SYSTEM. ALL MATERIALS AND WORK SHALL COMPLY
<br />WITH APPLICABLE CODES AND GOVERNING REGULATIONS AND MEET THE APPROVAL OF
<br />THE CITY AND STATE FIRE MARSHALL.
<br />5.CONTRACTOR SHALL PROVIDE AND BE RESPONSIBLE FOR PROTECTION AND REPAIR OF
<br />ADJACENT EXISTING SURFACES AND AREAS WHICH MAY BE DAMAGED AS A RESULT OF
<br />DEMOLITION AND/OR NEW WORK.
<br />6.ALL EQUIPMENT THAT IS REMOVED AND NOT REUSED SHALL BE COORDINATED WITH,
<br />AND/OR RETURNED TO, THE BUILDING OWNER.
<br />7.ALL EXISTING DUCT TAPS THAT ARE REMOVED AND NOT REUSED SHALL BE CAPPED
<br />AIRTIGHT AND SEALED WITH "MIRACLE" DUCT SEALER AND D-617 OR EQUAL.
<br />8.VERIFY FINAL LOCATION OF THERMOSTATS WITH ARCHITECT AND/OR TENANT
<br />CONSTRUCTION COORDINATOR PRIOR TO ANY INSTALLATION WORK.
<br />9.CONTRACTOR SHALL PROVIDE RECORD/AS BUILT DOCUMENTS TO CONSTRUCTION
<br />COORDINATOR, ARCHITECT AND ENGINEER AT COMPLETION OF CONSTRUCTION.
<br />10.MAINTAIN NET FREE AREA EQUAL TO DUCT SIZE WHERE FIRE DAMPERS OCCUR.
<br />11.ROOM THERMOSTATS SHALL BE CAPABLE OF BEING SET TO MAINTAIN SPACE
<br />TEMPERATURE SET POINTS FOR 55° F TO 85° F AND SHALL BE CAPABLE OF OPERATING
<br />THE HEATING AND COOLING IN SEQUENCE. THERMOSTATS SHALL BE ADJUSTABLE TO
<br />PROVIDE A TEMPERATURE RANGE OF UP TO 5° F BETWEEN FULL HEATING AND FULL
<br />COOLING BEING SUPPLIED. TEMPERATURE CONTROL SYSTEM SHALL OPERATE IN
<br />ACCORDANCE WITH THE BASE BUILDING SEQUENCE OF OPERATION
<br />12.PROVIDE MINIMUM DUCT RADIUS ON ELBOWS AT 1-1/2 TIMES DUCT SIZE.
<br />13.ALL CEILING DIFFUSERS ARE 4-WAY THROW UNLESS NOTED OTHERWISE.
<br />13.1.DIFFUSERS SHALL BE ADJUSTED BY MECHANICAL CONTRACTOR AND/OR TEST &
<br />BALANCE CONTRACTOR FROM 4-WAY TO 3-WAY OR 2-WAY WHEN WITHIN 3'-0" OF
<br />ADJACENT WALL OR CORNER. SUBMIT PROPOSED ADJUSTMENTS IN WRITING PRIOR
<br />TO ADJUSTING.
<br />14.CONTRACTOR SHALL STRICTLY COORDINATE ALL CEILING DIFFUSERS AND GRILLES
<br />WITH ARCHITECTURAL REFLECTED CEILING PLAN. IF ANY DISCREPANCIES ARE
<br />ENCOUNTERED THE ENGINEER SHALL BE NOTIFIED FOR CLARIFICATION. VERIFY WITH
<br />OWNERS REPRESENTATIVE IN FIELD PRIOR TO INSTALLATION.
<br />15.RETURN AIR PLENUM SHALL NOT CONTAIN ANY COMBUSTIBLES.
<br />16.MATERIALS EXPOSED WITHIN DUCT OR PLENUM SHALL COMPLY WITH SECTION 602.2 OF
<br />THE 2022 CMC. ALL MATERIALS EXPOSED WITHIN THE CEILING PLENUM SHALL HAVE A
<br />FLAME-SPREAD INDEX OF NOT MORE THAN 25 AND A SMOKE DEVELOPED RATING OF
<br />NOT MORE THAN 50.
<br />17.PROVIDE SMOKE DETECTORS IN MAIN SUPPLY AIR DUCTS OF AIR MOVING SYSTEMS
<br />EXCEEDING 2,000 CFM AND ANY COMBINATION OF SYSTEMS SERVING AREAS
<br />PERMANENTLY OPEN TO EACH OTHER WHOSE COMBINED SUPPLY AIR EXCEEDS 2,000
<br />CFM PER SECTION 609.1 OF THE 2022 CMC.
<br />18.MECHANICAL REFRIGERATION SYSTEMS SHALL COMPLY WITH REQUIREMENTS OF
<br />SECTION 608 OF THE 2022 CFC.
<br />19.ENVIRONMENTAL AIR DUCTS SHALL NOT TERMINATE LESS THAN 3-FT. FROM A
<br />PROPERTY LINE, 10-FT FROM A FORCED AIR INLET, 10-FT ABOVE A PUBLIC WALKWAY
<br />AND 3-FT FROM OPENINGS INTO THE BUILDING, PER 2022 CMC 502.2.1.
<br />20.HEATING HOT WATER AND CHILLED WATER PIPING SHALL BE INSTALLED AS HIGH AS
<br />POSSIBLE.
<br />21.THE CONTRACTOR SHALL COORDINATE ALL CEILING ACCESS PANELS FOR SERVICING
<br />MECHANICAL EQUIPMENT/DEVICES WITH THE ARCHITECT AND INTERIOR DESIGNER AS
<br />APPLICABLE.
<br />22.PRIOR TO ROUGH-IN OF ELECTRICAL. PROVIDE COORDINATION SHOP DRAWINGS OF
<br />T-STAT LOCATIONS TO ARCH./ENG. FOR REVIEW.
<br />23.DUCT SEALING:
<br />23.1.DUCTWORK SHALL BE SEALED PRIOR TO DELIVERY TO JOB SITE.
<br />23.2.DUCTWORK SHALL BE SEALED DURING DELIVERY.
<br />23.3.DUCTWORK SHALL BE SEALED UPON INSTALLATION.
<br />23.4.OPENINGS INTO EQUIPMENT AND DUCTWORK SHALL BE SEALED DURING
<br />CONSTRUCTION.
<br />24.ALL CONTROL WIRING ROUTED IN CEILING PLENUM SHALL BE CLEARLY IDENTIFIED &
<br />SECURED TO DUCTWORK OR TIGHT TO STRUCTURE TO PREVENT DAMAGE DURING
<br />FUTURE TENTANT IMPROVEMENT PROJECTS.
<br />25.THE CONTRACTOR SHALL VERIFY ALL DIFFUSER/GRILLE/REGISTER/BORDER AND FRAME
<br />TYPES WITH THE ARCHITECTURAL REFLECTED CEILING PLAN PRIOR TO ORDERING.
<br />COORDINATE ALL FINISHES WITH ARCHITECT.
<br />26.ALL HVAC SYSTEMS INCLUDING HYDRONIC SYSTEMS SHALL BE BALANCED IN
<br />ACCORDANCE WITH AN APPROVED METHOD PER THE 2022 CMC SECTION 314.1,
<br />CALGREEN AND THE ENERGY EFFICIENCY STANDARDS.
<br />27.THROUGH-PENETRATIONS AND MEMBRANE PENETRATIONS SHALL BE PROTECTED BY AN
<br />APPROVED PENETRATION FIRESTOP SYSTEM OR MEMBRANE PENETRATION FIRESTOP
<br />SYSTEM INSTALLED AS TESTED IN ACCORDANCE WITH ASTM E 814 OR UL 1479, WITH
<br />MINIMUM POSITIVE PRESSURE DIFFERENTIAL OF 0.01 INCH (2.49 PA) OF WATER OR AS
<br />OTHERWISE PERMITTED BY 2022 CBC, SECTION 714. LISTED THROUGH-PENETRATION
<br />FIRESTOP SYSTEMS AND MEMBRANE PENETRATIONS SHALL BE INSTALLED IN
<br />ACCORDANCE WITH THE INSTALLATION FOR DETAILS LISTED SYSTEMS. LISTED
<br />THROUGH-PENETRATION FIRESTOP SYSTEMS, MEMBRANE PENETRATION PROTECTION
<br />AND OTHER PERMITTED MEANS AND METHODS OF PENETRATION PROTECTION SHALL BE
<br />SUBMITTED TO THE AGENCY HAVING JURISDICTIONIAL AUTHORITY FOR REVIEW AND
<br />APPROVAL PRIOR TO INSTALLATION.
<br />28.PROVIDE BALANCING VOLUME DAMPERS IN EACH BRANCH DUCT AND IN EACH MAIN
<br />DUCT TO PROVIDE FOR COMPLETE AIR BALANCING. PROVIDE ADEQUATE ACCESS.
<br />OPPOSED BLADE DAMPERS (OBD'S) ARE NOT CONSIDERED BALANCING DAMPERS.
<br />COORDINATE ALL LOCATIONS WITH ARCHITECT'S REFLECTED CEILING PLAN WHERE
<br />REMOTE BALANCING DAMPERS ARE REQUIRED.
<br />29.PROVIDE INTERNALLY LINED DUCTWORK FOR SUPPLY AND RETURN AIR PLENUMS ON
<br />ALL FAN COILS WITH MINIMUM ONE-INCH THICK ACOUSTICAL DUCT LINER.
<br />30.INSTALL DIELECTRIC INSULATION WHERE COPPER PIPES CONNECT TO FERROUS PIPES,
<br />COMPONENTS AND EQUIPMENT.
<br />31.OUTDOOR AIR SUPPLY AND EXHAUST EQUIPMENT SHALL BE INSTALLED WITH DAMPERS
<br />THAT AUTOMATICALLY CLOSE UPON FAN SHUTDOWN.
<br />APPLICABLE CODES
<br />2022 CALIFORNIA BUILDING CODE
<br />2022 CALIFORNIA MECHANICAL CODE
<br />2022 CALIFORNIA PLUMBING CODE
<br />2022 CALIFORNIA ELECTRICAL CODE
<br />2022 CALIFORNIA FIRE CODE
<br />2022 CALIFORNIA ENERGY STANDARDS
<br />2022 CAL GREEN CODE
<br />ALL OTHER APPLICABLE LOCAL AND STATE LAWS AND REGULATIONS
<br />1.THE MECHANICAL DRAWINGS ARE DIAGRAMMATIC ONLY. DO NOT SCALE THE
<br />DRAWINGS TO DETERMINE THE LOCATION OF EQUIPMENT OR UTILITIES. SEE
<br />ARCHITECTURAL PLANS, WHERE PROVIDED ON PROJECT, FOR EXTENT OF
<br />DEMOLITION.
<br />2.ITEMS NOT INDICATED TO BE REMOVED SHALL BE PROTECTED IN PLACE.
<br />3.OWNER SHALL HAVE FIRST RIGHT OF REFUSAL FOR ALL ITEMS INDICATED TO BE
<br />REMOVED. PENDING OWNER'S INSPECTION AND REVIEW, ALL SUCH ITEMS SHALL BE
<br />REMOVED INTACT, FULLY FUNCTIONAL AND SUITABLE FOR REUSE, AND SHALL BE
<br />PROTECTED FROM DAMAGE. CONTRACTOR SHALL CONFIRM WITH THE OWNER'S
<br />REPRESENTATIVE ACCEPTANCE OR REFUSAL OF SUCH ITEMS. ALL ITEMS ACCEPTED
<br />BY THE OWNER SHALL BE DELIVERED BY THE CONTRACTOR TO ONSITE STORAGE
<br />LOCATIONS AS DIRECTED BY THE OWNER'S REPRESENTATIVE. ALL ITEMS REFUSED BY
<br />THE OWNER SHALL BE DISPOSED OF BY THE CONTRACTOR IN AN APPROVED MANNER.
<br />4.NO EXISTING EQUIPMENT OR MATERIAL SHALL BE REUSED WITHOUT THE SPECIFIC
<br />APPROVAL OF THE OWNER'S REPRESENTATIVE.
<br />5.REMOVAL OF CERTAIN EXISTING WORK WILL BE NECESSARY FOR THE SATISFACTORY
<br />PERFORMANCE OF THE GENERAL WORK. NOT ALL EXISTING CONDITIONS ARE
<br />DETAILED ON THE DRAWINGS. CONTRACTOR SHALL SURVEY THE SITE AND MAKE ALL
<br />NECESSARY CHANGES REQUIRED BASED ON THE EXISTING CONDITIONS FOR THE
<br />PROPER INSTALLATION OF NEW WORK.
<br />6.UNLESS NOTED OTHERWISE, EXISTING PIPING AND COMPONENTS RENDERED
<br />DEFUNCT AS PART OF THIS PROJECT SHALL BE ADDRESSED IN THE FOLLOWING
<br />MANNER: DEFUNCT PIPING LOCATED IN CONCEALED AREAS WITHIN EXISTING TO
<br />REMAIN WALLS, BELOW SLAB, OR BELOW GRADE SHALL BE ABANDONED IN PLACE OR
<br />REMOVED AS NECESSARY TO AVOID INTERFERENCE WITH NEW WORK. EXISTING
<br />DEFUNCT PIPING AND COMPONENTS LOCATED IN EXPOSED AREAS AND IN ATTIC
<br />SPACE SHALL BE REMOVED TO THE NEAREST OPERATIONAL PIPING MAIN AND
<br />CAPPED, INCLUDING ALL ASSOCIATED HANGERS AND STRUCTURAL SUPPORTS.
<br />EXISTING DEFUNCT VENTS THROUGH ROOF SHALL BE REMOVED. COORDINATE
<br />REMOVAL WITH ROOFING CONTRACTOR.
<br />7.CONTRACTOR SHALL FIELD VERIFY EXISTING PIPING & DUCT RUNS, REUSE AS
<br />REQUIRED AND REMOVE ALL UNUSED DUCT AND PIPING. UNUSED PIPING & DUCT IN
<br />INACCESSIBLE LOCATIONS (WALLS/SHAFTS) CAN BE ABANDONED IN PLACE
<br />8.THE EXISTING CONDITIONS SHOWN ARE FROM AVAILABLE RECORD DRAWINGS AND
<br />SHOWN FOR REFERENCE CONTRACTOR SHALL VERIFY ACTUAL EXISTING CONDITIONS
<br />AT SITE PRIOR TO SUBMITTING BID. ALL DEMOLITION, ALTERATION, EXTENSION,
<br />RELOCATION, REHABILITATION WORK SHALL BE INCLUDED IN CONTRACT. NO
<br />ADDITIONAL ALLOWANCE OR CHANGE ORDERS WILL BE ACCEPTED.
<br />9.CONTRACTOR IS RESPONSIBLE TO RELOCATE OR REMOVE FROM WALLS, CEILINGS,
<br />FLOOR SPACES, ETC. ANY EXISTING PIPING, DUCT, FIRE-SMOKE DAMPERS, OR OTHER
<br />MECHANICAL EQUIPMENT WHICH INTERFERES WITH PLANNED REMODEL WORK.
<br />10.NOTIFY THE ENGINEER IMMEDIATELY WHEREVER EXISTING EQUIPMENT IS
<br />ENCOUNTERED WHICH MUST BE RELOCATED DUE TO THE NEW CONSTRUCTION, OR
<br />NOT INDICATED ON "AS-BUILT" DRAWINGS OR WAS BURIED UNDERGROUND OR
<br />EMBEDDED IN STRUCTURE WALLS.
<br />11.CAREFULLY PROTECT ALL WALLS, TRIM, FLOORS, EQUIPMENT, UTILITY LINES AND
<br />MATERIALS. WHEN WORKING ON FINISHED SURFACES, LIMIT DAMAGE TO THE
<br />SMALLEST AREA POSSIBLE AND RESTORE TO THE ORIGINAL CONDITION ALL
<br />SURFACES WHICH ARE DAMAGED BECAUSE OF THE INSTALLATION OF THIS WORK.
<br />12.EQUIPMENT, MATERIALS AND SUPPLIES TEMPORARILY REMOVED FOR PROTECTION
<br />SHALL BE REPLACED IN ORIGINAL LOCATIONS. ANY MATERIALS DAMAGED SHALL BE
<br />REPLACED WITH NEW MATERIALS OF LIKE KIND AND QUALITY.
<br />13.DEMOLITION WORK SHALL BE DONE IN A MANNER WHICH WILL NOT CAUSE
<br />UNNECESSARY INCONVENIENCE OR DANGER TO USERS OF THE PREMISES AND
<br />ADJACENT SITE, AND NOT INTERFERE WITH ITS OPERATION. ANY DEMOLITION WORK
<br />TO BE PERFORMED MUST BE PLANNED IN ADVANCE.
<br />14.RESEAL ALL PENETRATIONS OR OPENING THROUGH WALLS, CEILING, FLOORS, ETC.,
<br />TO MAINTAIN THE RATING OF STRUCTURE.
<br />15.ALL REMOVED MATERIALS AND EQUIPMENT WHICH ARE SALVAGED MATERIALS SHALL
<br />REMAIN IN THE PROPERTY OF THE OWNER. DELIVER SUCH SALVAGED MATERIALS AND
<br />EQUIPMENT ON THE PREMISES AS DIRECTED BY OWNER AND NEATLY PILE OR STORE
<br />AND PROTECT FROM DAMAGE. DISPOSE OF ALL HAZARDOUS MATERIAL PER FEDERAL,
<br />STATE AND LOCAL REGULATIONS AND OTHER AGENCIES HAVING JURISDICTION.
<br />16.ALL DEMOED, ALTERED AND RELOCATED COMPONENTS SHALL BE REFLECTED ON THE
<br />AS-BUILT RECORD DOCUMENTS.
<br />DELEGATED DESIGN NOTES
<br />FD
<br />V VENT
<br />COMBINATION FIRE & SMOKE DAMPERFSD
<br />CARBON MONOXIDE SENSORCO
<br />NITROGEN DIOXIDE SENSOR
<br />PRESSURE SENSOR (DUCT MOUNTED)SP
<br />PRESSURE SENSOR (ROOM PRESSURE)P
<br />NO2
<br />REF RELIEF FAN
<br />PSIG POUNDS PER SQUARE INCH - GAUGE
<br />ESP EXTERNAL STATIC PRESSURE
<br />LBS POUNDS
<br />1.THERMAL EXPANSION DELEGATED-DESIGN SUBMITTALS: FOR EACH ANCHOR AND
<br />ALIGNMENT GUIDE, INCLUDING ANALYSIS DATA, SIGNED AND SEALED BY THE
<br />QUALIFIED PROFESSIONAL ENGINEER RESPONSIBLE FOR THEIR PREPARATION.
<br />1.1.DESIGN CALCULATIONS: CALCULATE REQUIREMENTS FOR THERMAL EXPANSION
<br />OF PIPING SYSTEMS AND FOR SELECTING AND DESIGNING EXPANSION JOINTS,
<br />LOOPS, AND SWING CONNECTIONS.
<br />1.2.ANCHOR DETAILS: DETAIL FABRICATION OF EACH ANCHOR INDICATED. SHOW
<br />DIMENSIONS AND METHODS OF ASSEMBLY AND ATTACHMENT TO BUILDING
<br />STRUCTURE.
<br />1.3.ALIGNMENT GUIDE DETAILS: DETAIL FIELD ASSEMBLY AND ATTACHMENT TO
<br />BUILDING STRUCTURE.
<br />1.4.SCHEDULE: INDICATE TYPE, MANUFACTURER'S NUMBER, SIZE, MATERIAL,
<br />PRESSURE RATING, END CONNECTIONS, AND LOCATION FOR EACH EXPANSION
<br />JOINT.
<br />2.HANGERS & SUPPORTS DELEGATED-DESIGN SUBMITTALS: FOR HANGERS, TRAPEZE
<br />HANGERS, ROOF/FLOOR SUPPORTS, WALL SUPPORTS, AND EQUIPMENT SUPPORTS
<br />FOR HVAC PIPING, DUCTWORK, AND EQUIPMENT SHALL COMPLY WITH PERFORMANCE
<br />REQUIREMENTS AND DESIGN CRITERIA, INCLUDING ANALYSIS DATA SIGNED AND
<br />SEALED BY THE QUALIFIED PROFESSIONAL ENGINEER RESPONSIBLE FOR THEIR
<br />PREPARATION.
<br />2.1.DETAIL FABRICATION AND ASSEMBLY OF HANGERS, TRAPEZE HANGERS,
<br />ROOF/FLOOR SUPPORTS, WALL SUPPORTS, AND EQUIPMENT SUPPORTS FOR HVAC
<br />PIPING, DUCTWORK, AND EQUIPMENT.
<br />2.2.INCLUDE DESIGN CALCULATIONS FOR DESIGNING HANGERS, TRAPEZE HANGERS,
<br />ROOF/FLOOR SUPPORTS, WALL SUPPORTS, AND EQUIPMENT SUPPORTS FOR HVAC
<br />PIPING, DUCTWORK, AND EQUIPMENT.
<br />3.VIBRATION & SEISMIC DELEGATED-DESIGN SUBMITTALS: FOR EACH VIBRATION
<br />ISOLATION AND SEISMIC-RESTRAINT DEVICE.
<br />3.1.INCLUDE DESIGN CALCULATIONS AND DETAILS FOR SELECTING VIBRATION
<br />ISOLATORS, SEISMIC RESTRAINTS, AND VIBRATION ISOLATION BASES COMPLYING
<br />WITH PERFORMANCE REQUIREMENTS, DESIGN CRITERIA, AND ANALYSIS DATA
<br />SIGNED AND SEALED BY THE QUALIFIED PROFESSIONAL ENGINEER RESPONSIBLE
<br />FOR THE PREPARATION.
<br />3.2.DESIGN CALCULATIONS: CALCULATE STATIC AND DYNAMIC LOADING DUE TO
<br />EQUIPMENT WEIGHT, OPERATION, AND SEISMIC FORCES REQUIRED TO SELECT
<br />VIBRATION ISOLATORS AND SEISMIC RESTRAINTS AND FOR DESIGNING VIBRATION
<br />ISOLATION BASES.
<br />3.2.1.COORDINATE DESIGN CALCULATIONS WITH WIND LOAD CALCULATIONS
<br />REQUIRED FOR EQUIPMENT MOUNTED OUTDOORS. COMPLY WITH
<br />REQUIREMENTS IN OTHER SECTIONS FOR EQUIPMENT MOUNTED OUTDOORS.
<br />3.3.RISER SUPPORTS: INCLUDE RISER DIAGRAMS AND CALCULATIONS SHOWING
<br />ANTICIPATED EXPANSION AND CONTRACTION AT EACH SUPPORT POINT, INITIAL
<br />AND FINAL LOADS ON BUILDING STRUCTURE, SPRING DEFLECTION CHANGES, AND
<br />SEISMIC LOADS. INCLUDE CERTIFICATION THAT RISER SYSTEM WAS EXAMINED
<br />FOR EXCESSIVE STRESS AND THAT NONE EXISTS.
<br />3.4.SEISMIC-RESTRAINT DETAILS:
<br />3.4.1.DESIGN ANALYSIS: TO SUPPORT SELECTION AND ARRANGEMENT OF SEISMIC
<br />RESTRAINTS. INCLUDE CALCULATIONS OF COMBINED TENSILE AND SHEAR
<br />LOADS.
<br />3.4.2.DETAILS: INDICATED FABRICATION AND ARRANGEMENT. DETAIL ATTACHMENTS
<br />OF RESTRAINTS TO THE RESTRAINED ITEMS AND TO THE STRUCTURE. SHOW
<br />ATTACHMENT LOCATIONS, METHODS, AND SPACINGS. IDENTIFY COMPONENTS,
<br />LIST THEIR STRENGTHS, AND INDICATE DIRECTIONS AND VALUES OF FORCES
<br />TRANSMITTED TO THE STRUCTURE DURING SEISMIC EVENTS. INDICATE
<br />ASSOCIATION WITH VIBRATION ISOLATION DEVICES.
<br />3.4.3.COORDINATE SEISMIC-RESTRAINT AND VIBRATION ISOLATION DETAILS WITH
<br />WIND-RESTRAINT DETAILS REQUIRED FOR EQUIPMENT MOUNTED OUTDOORS,
<br />COMPLY WITH REQUIREMENTS IN OTHER SECTIONS FOR EQUIPMENT
<br />MOUNTED OUTDOORS.
<br />3.4.4.PREAPPROVAL AND EVALUATION DOCUMENTATION: BY AN AGENCY
<br />ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION, SHOWING MAXIMUM
<br />RATINGS OF RESTRAINT ITEMS AND THE BASIS OF APPROVAL (TESTS OR
<br />CALCULATIONS).
<br />AIR VENT VALVE
<br />PIPE ANCHOR
<br />BALL VALVE
<br />BUTTERFLY VALVE
<br />CONTROL VALVE
<br />THERMOMETER
<br />PRESSURE GAUGE
<br />UNION
<br />STRAINER
<br />REDUCER
<br />CIRCUIT SETTER
<br />CHECK VALVE
<br />GLOBE VALVE
<br />GATE VALVE
<br />PIPING
<br />#"-####PIPE TAG (E.G. 2"-CHWS)
<br />PIPE RISE
<br />PIPE DROP
<br />PIPE BRANCH
<br />PURGE EXHAUST CONTROL SWITCHV
<br />VISUAL STROBE AND AUDIBLE HORNHS
<br />REFRIGERANT LEAK DETECTION SENSORRS
<br />(RAR/EAR)
<br />DTR DOWN THRU ROOF
<br />MAU MAKEUP AIR
<br />NO NORMALLY OPENED
<br />REB REBALANCE
<br />REL RELOCATE
<br />RL REFRIGERANT LIQUID
<br />UTR UP THRU ROOF
<br />PRESSURE & TEMPERATURE RELIEF VALVE
<br />PRESSURE REDUCING VALVE
<br />EXIST. DIFFUSER, RETURN AIR GRILLE OR EXHAUST GRILLE TO
<br />REMAIN OR BE RELOCATED
<br />RELOCATED EXIST. DIFFUSER, RETURN AIR GRILLE OR
<br />EXHAUST GRILLE TO
<br />P.I. FLOW LIMITING DEVICE
<br />(REAG)
<br />EQUIPMENT NUMBER
<br />TYPE MARK
<br />EQUIPMENT TAG
<br />file name:
<br />drawn by:checked by:
<br />drawing no.:
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<br />consultant
<br />agency
<br />owner
<br />date:
<br />drawing title:
<br />description:date:Rev:
<br />tBP project number :
<br />architect
<br />THIS DRAWING AND THE DESIGNS, DEPICTIONS, IDEAS AND OTHER INFORMATION
<br />CONTAINED HEREIN CONSTITUTE UNPUBLISHED WORK OF tBP/ARCHITECTURE AND
<br />SHALL REMAIN THE PROPERTY OF tBP/ARCHITECTURE IN PERPETUITY. NO PART
<br />THEREOF SHALL BE REPRODUCED, DISCLOSED, DISTRIBUTED, SOLD, PUBLISHED OR
<br />OTHERWISE USED IN ANY WAY WITHOUT THE ADVANCED EXPRESS WRITTEN CONSENT
<br />OF tBP/ARCHITECTURE.
<br />ph: 714.667.2700
<br />SANTA ANA, CA 92701
<br />20 CIVIC CENTER PLAZA
<br />SANTA ANA PLANNING AND BUILDING AGENCY
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<br />XX/XX/2023
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<br />21125.00
<br />XX/XX/2023
<br />11870 Pierce Street, Suite 160
<br />Riverside, California 92505
<br />951.299.4160 www.tk1sc.com
<br />Project Leader - Bill Voller
<br />tk1sc Job #: B2305501.000
<br />Mechanical Lead - Joe Millham
<br />LEGEND, ABBREVIATIONS
<br />& NOTES
<br />M0-0
<br />21159.00
<br />1202 W Edinger
<br />Ave10/3/2024
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