GENERAL SEISMIC BRACING GENERAL MECHANICAL … Mechanical.pdf · opa-0114 b-line seismic restraint system. 3. opa-0125 nusig seismic support devices. ... all mechanical and electrical
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FD FD
FSDFSD
MD MD
SDSD
CD-1
100
12x12
X
X
XX-X
LOCATION
X
XXX
A
S
ET
P
T
CHWR
CHWS
HWR
HWS
RL
RS
M
Abbreviations
AIR CONDITION(ED)A/C
ACCESS DOORAD
ABOVE FINISHED FLOORAFF
BACKDRAFT DAMPERBDD
BELOW FINISHED FLOORBFF
BACKFLOW PREVENTERBFP
BRAKE HORSEPOWERBHP
CEILING DIFFUSERCD
CONDENSATE DRAINCD
CUBIC FEET PER MINUTECFM
CONTINUATIONCONT.
COEFFICIENT OF PERFORMANCECOP
CONDENSING UNITCU
CHECK VALVECV
COLD WATERCW
DROPD
DECIBELDB
DRY BULBDB
DOOR GRILLEDG
DIAMETERDIA
DIRECT EXPANSIONDX
ENTERING AIR TEMPERATUREEAT
ENERGY EFFICIENCY RATINGEER
EXHAUST FANEF
EFFICIENTEFF
ELECTRICALELECT
ENTERING WATER TEMPERATUREEWT
EXHAUSTEXH
FAHRENHEITF
FIRE DAMPERFD
FULL LOAD AMPSFLA
FEETFT
GALLONSGAL
GALLONS PER MINUTEGPM
HEADHD
HORSEPOWERHP
HEATINGHTG
HOT WATER COILHWC
INSIDE DIAMETERID
INVERT ELEVATIONIE
INCHESIN
KILOWATTKW
LEAVING AIR TEMPERATURELAT
POUNDSLBS.
LATENT HEATLH
LEAVING WATER TEMPERATURELWT
MIXED AIRMA
MAXIMUMMAX
THOUSAND BTU'S PER HOURMBH
MOTORIZED DAMPERMD
MINIMUMMIN
MOTOR STARTERMS
MAKE-UP WATERMW
NORMALLY CLOSEDN.C.
NORMALLY OPENN.O.
NOT APPLICABLEN/A
NOISE CRITERIANC
NOT IN CONTRACTNIC
NOT TO SCALENTS
OUTSIDE AIROA
OPPOSED BLADE DAMPEROBD
ON CENTEROC
OUTSIDE DIAMETEROD
PRESSURE DROPPD
PHASEPH
PRESSURE REDUCING VALVEPRV
POUNDS PER SQUARE INCHPSI
QUANTITYQTY
RETURN AIRRA
REFRIGERANT LIQUIDRL
REVOLUTIONS PER MINUTERPM
REFRIGERANT SUCTIONRS
SUPPLY AIRSA
SEASONAL ENERGY EFFICIENCY RATINGSEER
SQUARE FEETSF
SENSIBLE HEATSH
SHUT OFF VALVESOV
STATIC PRESSURESP
TEMPERATURET, TEMP
TEMPERATURE DIFFERENCETD
TOTAL HEATTH
TOTAL PRESSURETP
UNDERCUT DOORUD
VOLTV
WATTW
WET BULBWB
WATER COLUMNWC
Dampers
FIRE DAMPER
FIRE/SMOKE DAMPER
MOTORIZED DAMPER
SMOKE DAMPER
VOLUME DAMPER
Diffusers and Grilles
EXHAUST AIR
RETURN AIR
SUPPLY AIR
DIFFUSER OR GRILLE IDENTIFICATION
Ductwork Fittings
ACCOUSTICALLY LINED DUCT (SIZESSHOWN ARE NET INSIDE)
BELLMOUTH
CONCENTRIC SQUARE TO ROUND
CONCENTRIC TRANSITION,RECTANGULAR OR ROUND
ECCENTRIC TRANSITION,RECTANGULAR OR ROUND
FLEXIBLE CONNECTION
MITERED ELBOW WITH TURNINGVANES
NON-SYMMETRICAL WYE
RADIUSED ELBOW
RECTANGULAR DUCT DROP
RECTANGULAR DUCT RISER
RECTANGULAR MAIN WITHRECTANGULAR BRANCH
RECTANGULAR MAIN WITH ROUNDBRANCH
RECTANGULAR OFFSET LESS THAN15°
RECTANGULAR OFFSET MORE THAN15°
ROUND DUCT DROP
ROUND DUCT RISER
ROUND DUCT WITH ROUND BRANCH
ROUND WYE
SYMMETRICAL WYE
General
CONTINUATION
DETAIL NUMBER AND SHEET LOCATION
EQUIPMENT IDENTIFICATION
KEYED NOTE
SECTION NUMBER AND SHEET LOCATION
Piping Fittings, Appurtenances and Equipment
AIR SEPARATOR
CAP
CONTINUATION
EXPANSION LOOP
EXPANSION TANK
MANUAL AIR VENT
PIPE DROP
PIPE RISE
PIPE TO DRAIN
PRESSURE GAUGE WITH COCK
PRESSURE RELIEF VALVE
PRESSURE SENSOR
T&P RELIEF VALVE
TEE DOWN ON PIPE
TEE UP ON PIPE
TEMPERATURE SENSOR
TEST PORT
THERMOMETER
VENT TO ATMOSPHERE
Piping Systems
CHILLED WATER RETURN
CHILLED WATER SUPPLY
HEATING WATER RETURN
HEATING WATER SUPPLY
REFRIGERANT LIQUID
REFRIGERANT SUCTION
Piping Valves
CHECK VALVE
GLOBE VALVE
MOTORIZED, 2-WAY VALVE
PRESSURE REDUCING VALVE
QUARTER TURN VALVE
VALVE, GENERAL
MECHANICAL SYMBOL LISTNOTE: This is a standard symbol list and not all items listed may be used.
WITH PIPE TO DRAIN
(PETE'S PLUG OR EQUAL)
BALANCING VALVE
SCHOOL EQUIPMENT ANCHORAGENOTES
GENERAL SEISMIC BRACING GENERAL MECHANICAL NOTES
B. REFER TO STRUCTURAL DRAWINGS FOR CONCRETE ANCHOR TESTING AND
EMBED REQUIREMENTS.
C. ALL PIPING AND CONDUIT CROSSING BUILDING SEISMIC SEPARATIONS SHALL BE
PROVIDED WITH APPROVED FLEXIBLE CONNECTORS.
D. A COPY OF THE BRACING SYSTEMS INSTALLATION MANUAL SHALL BE ON THE JOB
SITE PRIOR TO STARTING THE INSTALLATION OF THE HANGERS AND/OR BRACES.
SUBMIT APPLICABLE DETAILS FOR REVIEW AND APPROVAL.
F. UNLESS THE STRUCTURAL DRAWINGS HAVE AN ENGINEERED SYSTEM, PIPING SHALL
BE SUPPORTED AND BRACED WITH ONE OF THE FOLLOWING SYSTEMS:
1. OPA-0300 TOLCO SEISMIC RESTRAINT SYSTEM.
2. OPA-0349 MASON SEISMIC RESTRAINT GUIDELINES FOR MECHANICAL SYSTEMS
AND PLUMBING SYSTEMS. OPA-0114 B-LINE SEISMIC RESTRAINT SYSTEM.
3. OPA-0125 NUSIG SEISMIC SUPPORT DEVICES.
G. SEISMIC BRACING POINTS SHALL BE SUBMITTED ON CONTRACTOR'S COORDINATED
SHOP DRAWINGS.
H. CONTRACTOR TO SUBMIT WRITTEN CERTIFICATION, BY A STRUCTURAL OR CIVIL
ENGINEER REGISTERED IN THE STATE OF CALIFORNIA THAT THE PIPING AND
DUCTWORK IS INSTALLED IN COMPLIANCE WITH THE REQUIREMENTS OF THE 2013
CALIFORNIA BUILDING CODE.
I. LAYOUT DRAWINGS, SHOWING THE BRACING/SUPPORT LOCATIONS AND REFERENCES
TO DETAILS FOR PIPING/DUCTS/CONDUITS EXCEPT FIRE SPRINKLERS, NEED TO BE
SUBMITTED FOR USE BY THE INSPECTOR. THE LAYOUT DRAWINGS, PREPARED PER
SECTION 13.6, ASCE 7-10 AS AMENDED BY SECTION 1616A, CBC 2013, NEED TO BE
REVIEWED AND ACCEPTED BY THE AOR AND EOR PRIOR TO STARTING INSTALLATION
OF THE BRACING/SUPPORT.
ALL MECHANICAL AND ELECTRICAL EQUIPMENT SHALL BE BRACED OR ANCHORED TO
RESIST FORCES ACTING IN ANY DIRECTION USING THE FOLLOWING CRITERIA
13.1.1 SCOPE: THIS CHAPTER ESTABLISHES MINIMUM DESIGN CRITERIA FOR
NONSTRUCTURAL COMPONENTS THAT ARE PERMANENTLY ATTACHED TO
STRUCTURES AND FOR THEIR SUPPORTS AND ATTACHMENTS.
13.1.5 APPLICABILITY OF NONSTRUCTURAL COMPONENT REQUIREMENT
WHERE THE WEIGHT OF A NONSTRUCTURAL COMPONENT IS GREATER THAN OR
EQUAL TO 25 PERCENT OF THE EFFECTIVE SEISMIC WEIGHT, W, DEFINED IN SECTION
12.7.2, THE COMPONENT SHALL BE CLASSIFIED AS A NONBUILDING STRUCTURE AND
SHALL BE DESIGNED IN ACCORDANCE WITH SECTION 15.3.2.
THE TOTAL DESIGN SEISMIC FORCE SHALL BE DETERMINED FROM ASCE 7-10
SECTIONS 13.1, 13.2 AND 13.3. FORCES SHALL BE APPLIED IN THE DIRECTION WHICH
RESULTS IN THE MOST CRITICAL LOADINGS FOR DESIGN.
SEE ASCE 7-10 SECTIONS 13.4 FOR NONSTRUCTURAL COMPONENT ANCHORAGE,
SECTION 13.5 FOR ARCHITECTURAL COMPONENTS, AND SECTION 13.6 FOR
MECHANICAL AND ELECTRICAL COMPONENTS. ALSO SEE CBC 2013 SECTION 1616A
FOR ADDITIONAL INFORMATION.
THE VALUES OF Ap (COMPONENT AMPLIFICATION FACTOR) AND Rp (COMPONENT
RESPONSE MODIFICATION FACTOR) SHALL BE DETERMINED FROM ASCE 7-10 TABLE
13.5-1 FOR ARCHITECTURAL COMPONENTS AND TABLE 13.6-1 FOR MECHANICAL AND
ELECTRICAL COMPONENTS.
WHERE ANCHORAGE DETAILS ARE NOT SHOWN ON THE DRAWINGS, THE FIELD
INSTALLATION SHALL BE SUBJECT TO THE APPROVAL OF THE STRUCTURAL ENGINEER
AND THE FIELD REPRESENTATIVE OF THE DIVISION OF THE STATE ARCHITECT.
A. ALL NEW CONSTRUCTION SHALL CONFORM TO CURRENT CITY, STATE, AND NATIONAL
CODES, STANDARDS, AND REQUIREMENTS.
B. ALL MATERIALS AND WORKMANSHIP ARE SUBJECT TO APPROVAL BY OWNER. ANY
DEFECTIVE WORK SHALL BE REPLACED BY THE CONTRACTOR AS PART OF THIS
CONTRACT AT NO ADDITIONAL COST TO THE OWNER.
C. ANY NEW OR EXISTING DUCT OR PIPING OFFSETS REQUIRED AS RESULT OF JOB
CONDITIONS OR LACK OF COORDINATION WITH OTHER TRADES SHALL BE PROVIDED
AT NO ADDITIONAL COST TO THE OWNER.
D. CONTRACTOR SHALL PROVIDE DUCTWORK AND TRANSITION EQUAL TO DUCT FREE
AREA OF DUCTWORK AS SHOWN ON DRAWINGS, TO PREVENT A CONFLICT WITH
EXISTING CONDITIONS OR TO RESOLVE DUCTWORK CONFLICTS.
E. PROVIDE MANUAL VOLUME DAMPERS TO FACILITATE PROPER BALANCE OF THE AIR
DISTRIBUTION SYSTEM. VOLUME DAMPER AT DIFFUSERS AND REGISTERS SHALL NOT
BE USED FOR AIR BALANCING.
F. SEAL ALL OPENINGS AROUND PIPING AND DUCTWORK PENETRATING FIRE RESISTIVE
RATED WALLS TO MAINTAIN RATING INTEGRITY.
G. COORDINATE EXACT LOCATION OF CEILING, WALL OR FLOOR ACCESS PANELS FOR
FIRE, SMOKE OR COMBINATION FIRE SMOKE DAMPERS AND VOLUME DAMPERS WITH
THE ARCHITECT.
H. COORDINATE EXACT LOCATION OF CORE DRILLING, CUTTING OF FLOOR SLAB, OR
WALLS OF THE BUILDING WITH THE ARCHITECTURAL AND STRUCTURAL DRAWINGS.
I. PROVIDE ACCESS DOOR FOR ALL EQUIPMENT, VALVES AND CLEANOUTS WHICH
REQUIRE ACCESS FOR ADJUSTMENT OR SERVICING, AND WHICH ARE LOCATED IN
OTHERWISE INACCESSIBLE LOCATIONS. OPENINGS SHALL BE LARGE ENOUGH TO
PERMIT MAINTENANCE AND ADJUSTMENT OF THE DEVICE.
J. DUCTS STORED ON THE CONSTRUCTION SITE SHALL BE PROTECTED AND ISOLATED
FROM DUST CONTAMINATION.
K. PITCH PIPELINES AS REQUIRED FOR PROPER DRAINAGE AND ELIMINATION OF AIR.
L. PROVIDE CONDENSATE DRAIN PIPING WITH DRAINAGE AND CLEANOUT FITTINGS FOR
ALL COOLING COILS AND ROUTE TO A NEAREST APPROVED RECEPTOR, SEE PLUMBING
DRAWINGS.
M. THE PROJECT DESIGN SHOWN ON THE DRAWINGS AND SPECIFIC ITEMS REFERENCED
IN THE SPECIFICATIONS IS IN COMPLIANCE WITH THE CODES AND ORDINANCES LISTED
IN DIVISION 23 SPECIFICATIONS.
N. PROVIDE SEISMIC ANCHORAGE AND BRACING FOR MECHANICAL EQUIPMENT, PIPING
AND DUCTWORK. SEE "GENERAL SEISMIC NOTES" FOR DETAIL REQUIREMENTS.
O. COORDINATE WITH DIVISION 26 CONTRACTOR FOR LOCATION OF POWER AND LOCAL
DISCONNECTS FOR MECHANICAL EQUIPMENT DEVICES.
P. INSTALL ALL EQUIPMENT AND MATERIALS IN ACCORDANCE WITH MANUFACTURER
RECOMMENDATIONS UNLESS SPECIFICALLY INDICATED OTHERWISE OR WHERE THE
LOCAL CODES OR REGULATIONS TAKE PRECEDENCE.
Q. DRAWINGS ARE DIAGRAMMATIC IN NATURE AND EXISTING CONDITIONS SHALL BE
FIELD VERIFIED FOR EXACT LOCATION AND SIZES OF EXISTING UTILITIES, THE
PROPOSED POINT OF CONNECTIONS TO EXISTING SYSTEMS, AND NEW ROUTINGS. THE
CONTRACTOR IS RESPONSIBLE TO THOROUGHLY VERIFY ALL EXISTING CONDITIONS
BEFORE SUBMITTING BID.
R. KEEP SAW CUTTING TO THE MINIMUM REQUIRED FOR PROPER EXECUTION OF WORK.
BE RESPONSIBLE FOR ALL CUTTING AND PATCHING NECESSARY FOR THE
COMPLETION OF WORK. NO CUTTING SHALL BE PERFORMED WITHOUT THE APPROVAL
OF THE ARCHITECT.
S. PROVIDE OFFSETS, ELBOWS AND TRANSITIONS IN DUCTWORK AND PIPING AS
REQUIRED AT NO ADDITIONAL COST TO THE OWNER.
T. VERIFY ALL CONNECTIONS WITH MANUFACTURER'S CERTIFIED DRAWINGS. PROVIDE
TRANSITIONS FOR FINAL CONNECTION TO EQUIPMENT. FIELD VERIFY ALL DIMENSIONS
PRIOR TO FABRICATION OF WORK.
U. VERIFY DIFFUSERS, GRILLS, AND REGISTER MOUNTING FRAME TYPES WITH CEILING
TYPE AND CONFIGURATION.
V. PROVIDE DUCT ACCESS DOORS FOR ALL EQUIPMENT AS REQUIRED.
W. PROVIDE HANGER, SUPPORT AND SWAY BRACES FOR ALL DUCTWORK AND
EQUIPMENT AS REQUIRED BY THE LATEST EDITION OF THE SMACNA GUIDELINES.
X. DUCT SYSTEMS SHALL BE BALANCED TO CFM ON DRAWINGS. FANS SHALL BE FIELD
TESTED TO ENSURE COMPLIANCE WITH SCHEDULED FAN PERFORMANCE, AIR FLOW
AT DESIGN STATIC PRESSURE.
Y. ALL WORK AND MATERIALS SHALL BE IN COMPLIANCE WITH THE SPECIFICATIONS IN
THE EVENT OF A CONFLICT BETWEEN THE CONTRACT DRAWINGS AND THE
SPECIFICATIONS, THE MOST STRINGENT SHALL GOVERN.
Z. INSTALL ALL PIPING AND DUCTWORK TO BEST SUIT FIELD CONDITIONS AND
COORDINATE WITH OTHER TRADES. THE DRAWINGS ARE DIAGRAMMATIC, AND SHALL
NOT BE SCALED TO DETERMINE THE EXACT LOCATIONS OF THE PIPING OR
DUCTWORK.
AA. CONTRACTOR SHALL FIELD-VERIFY EXISTING CONDITIONS AND SHALL REPORT ANY
DISCREPANCIES AND/OR INCONSISTENCIES BETWEEN THE DRAWINGS AND EXISTING
CONDITIONS TO THE ENGINEER BEFORE COMMENCEMENT OF WORK.
AB. CONTRACTOR SHALL BE RESPONSIBLE FOR SECURING ALL TRADE PERMITS AND
INSPECTIONS.
AC. ALL DUCTWORK SHALL BE CONSTRUCTED AND INSTALLED TO MEET SMACNA AND THE
LATEST CALIFORNIA MECHANICAL CODE.
FROM ASCE 7-10:
A. ALL MECHANICAL, PLUMBING, AND ELECTRICAL COMPONENTS SHALL BE ANCHORED AND
INSTALLED PER THE DETAILS ON THE DSA APPROVED CONSTRUCTION DOCUMENTS. WHERE
NO DETAIL IS INDICATED, THE FOLLOWING COMPONENTS SHALL BE ANCHORED OR BRACED
TO MEET THE FORCE AND DISPLACEMENT REQUIREMENTS PRESCRIBED IN THE 2013 CBC,
SECTIONS 1616A.1.23 THROUGH 1616A.1.26 AND ASCE 7-07 CHAPTER 13 AND 29.
1. ALL PERMANENT EQUIPMENT AND COMPONENTS.
2. TEMPORARY OR MOVABLE EQUIPMENT THAT IS PERMANENTLY ATTACHED (e.g. HARD
WIRED) TO THE BUILDING UTILITY SERVICES SUCH AS ELECTRICITY, GAS OR WATER.
3. MOVABLE EQUIPMENT WHICH IS STATIONED IN ONE PLACE FOR MORE THAN 8 HOURS
AND HEAVIER THAN 400 POUNDS ARE REQUIRED TO BE ANCHORED WITH TEMPORARY
ATTACHMENTS.
THE ATTACHMENT OF THE FOLLOWING MECHANICAL AND ELECTRICAL COMPONENTS SHALL
BE POSITIVELY ATTACHED TO THE STRUCTURE, BUT NEED NOT BE DETAILED ON THE PLANS.
THESE COMPONENTS SHALL HAVE FLEXIBLE CONNECTIONS PROVIDED BETWEEN THE
COMPONENT AND ASSOCIATED DUCTWORK, PIPING, AND CONDUIT.
A. COMPONENTS WEIGHING LESS THAN 400 POUNDS AND HAVE A CENTER OF MASS
LOCATED 4 FEET OR LESS ABOVE THE ADJACENT FLOOR OR ROOF LEVEL THAT
DIRECTLY SUPPORT THE COMPONENT.
B. COMPONENTS WEIGHING LESS THAN 20 POUNDS, OR IN THE CASE OF DISTRIBUTED
SYSTEMS, LESS THAN 5 POUNDS PER FOOT, WHICH ARE SUSPENDED FROM A ROOF OR
FLOOR OR HUNG FROM A WALL.
FOR THOSE ELEMENTS THAT DO NOT REQUIRE DETAILS ON THE APPROVED DRAWINGS, THE
INSTALLATION SHALL BE SUBJECT TO THE APPROVAL OF THE STRUCTURAL ENGINEER OF
RECORD AND THE DSA DISTRICT STRUCTURAL ENGINEER. THE PROJECT INSPECTOR WILL
VERIFY THAT ALL COMPONENTS AND EQUIPMENT HAVE BEEN ANCHORED IN ACCORDANCE
WITH ABOVE REQUIREMENTS.
E. PIPING, DUCTWORK, AND ELECTRICAL DISTRIBUTION SYSTEMS SHALL BE BRACED TO
COMPLY WITH THE FORCES AND DISPLACEMENTS PRESCRIBED IN ASCE 7-05 SECTION 13.3
AS DEFINED IN ASCE 7-10 SECTION 13.3, AND SECTION 13.6, AND 2013 CBC, SECTIONS
1616A.1.23 THROUGH 1616A.1.26.
THE BRACING AND ATTACHMENTS TO THE STRUCTURE SHALL BE DETAILED ON THE
APPROVED DRAWINGS OR THEY SHALL COMPLY WITH ONE OF THE OSHPD PRE-APPROVALS
(OPM #) AS MODIFIED TO SATISFY ANCHORAGE REQUIREMENTS OF ACI 318, APPENDIX D.
COPIES OF THE MANUAL SHALL BE AVAILABLE ON THE JOBSITE PRIOR TO THE START OF
HANGING AND BRACING OF THE PIPE, DUCTWORK, AND ELECTRICAL DISTRIBUTION SYSTEMS.
THE STRUCTURAL ENGINEER OF RECORD DHALL VERIFY THE ADEQUACY OF THE STRUCTURE
THIS DRAWING IS NOT FINAL OR TO BE USED FOR CONSTRUCTION UNTIL IT IS SIGNED BY THE ARCHITECTAND ENGINEER.
CONSULTANT
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6910 5 31112 8 7 4 2 1
NO. ISSUE DATE
ARCHITECT'S STAMP APPROVAL
Jesse Agosta
2014-0174
SAN JOSE CITYCOLLEGE
PHYSICAL EDUCATION BUILDING ANDRENOVATED LAB BUILDING
SAN JOSE, CALIFORNIA
SYMBOL LIST, GENERALNOTES & SHEET INDEX -MECHANICAL
M0.01
1.12.2015
1089-0001
DSA SUBMITTAL
M0.01 SYMBOL LIST, GENERAL NOTES & SHEET INDEX - MECHANICAL
M0.02 SCHEDULES - MECHANICAL
M0.03 ASHREAE 62.1 VENTILATION AIR SCHEDULE
M0.04 ASHRAE 62.1 EXHAUST AIR SCHEDULE
M0.05 TITLE 24 - MECHANICAL
M2.01 1ST FLOOR PLAN - PHYSICAL EDUCATION BUILDING - MECHANICAL
M2.02 2ND FLOOR PLAN - PHYSICAL EDUCATION BUILDING - MECHANICAL
M2.03 ROOF PLAN - PHYSICAL EDUCATION BUILDING - MECHANICAL
M4.01 ENLARGED PLANS AND SECTIONS - MECHANICAL
M5.01 DIAGRAMS - MECHANICAL
M6.01 CONTROL DIAGRAMS - MECHANICAL
M6.02 CONTROL DIAGRAMS - MECHANICAL
M7.01 DETAILS - MECHANICAL
M7.02 DETAILS - MECHANICAL
M7.03 DETAILS - MECHANICAL
M7.04 DETAILS - MECHANICAL
SHEET INDEX
NOTES:1. SEE SPECIFICATIONS 23 05 48 FOR FURTHER DESCRIPTIONS OF VIBRATION ISOLATOR TYPES.2. TYPE "1" - 3/4" NEOPRENE PAD: RUBBER WAFFLE PAD (MASON TYPE: SUPER WMH).3. TYPE "2" - NEOPRENE MOUNT: DOUBLE DEFLECTION TYPE (MASON TYPE: BR).4. TYPE "3" - SPRING: FREESTANDING, LATERALLY STABLE, OPEN-SPRING ISOLATORS (MASON TYPE: SLFH).5. TYPE "4a" - RESTRAINED SPRING ISOLATORS: FREESTANDING, STEEL, OPEN-SPRING ISOLATORS WITH SEISMIC RESTRAINT (MASON TYPE: SLR).6. TYPE "4b" -HOUSED SPRING MOUNTS: HOUSED SPRING ISOLATOR WITH INTEGRAL SEISMIC SNUBBERS (MASON TYPE: SSLFH).7. TYPE "5a" - RESTRAINED ELASTOMERIC HANGERS: DOUBLE-DEFLECTION TYPE (MASON TYPE: RWHD).8. TYPE "5c" - SPRING HANGERS WITH VERTICAL-LIMIT STOP: COMBINATION COIL-SPRING AND ELASTOMERIC-INSERT HANGER WITH SPRING AND INSERT IN COMPRESSION AND WITH A VERTICAL-LIMIT STOP (MASON TYPE: RW30)9. TYPE "6" - HORIZONTAL THRUST RESTRAINTS: COMBINATION COIL SPRING AND ELASTOMERIC INSERT WITH SPRING AND INSERT IN COMPRESSION AND WITH A LOAD STOP (MASON TYPE: WBI OR WBD).
DSA STRUCTURAL ANCHORAGE COORDINATION SCHEDULE
SYMBOL DESCRIPTION LOCATIONMOUNTED
ON SUPPORT TYPESUPPORT MODEL
NUMBER
DIMENSIONS
MAXWEIGHT
(LBS)REFERENCEDRAWINGS
ANCHMODEL
NO REMARKS INCLUDEDIA
OVERALLDIMENSIONS
(LxWxH)
AHU-1 AIR HANDLER LOCKER ROOF CONCRETE PAD FANS SPRING ISOLATED SEE NOTES BELOW 66"Wx58"Hx210"L 6000 M2.02 KBTZ
AHU-2 AIR HANDLER UPPER ROOF STEEL BEAMS FANS SPRING ISOLATED SEE NOTES BELOW 128"Wx90"Hx390"L 26000 M2.03, 5/S5.21 KBTZ
AHU-3 AIR HANDLER UPPER ROOF STEEL BEAMS FANS SPRING ISOLATED SEE NOTES BELOW 80"Wx84"Hx212"L 10000 M2.03, 5/S5.21 KBTZ
CHWP-1 BASE MOUNTED PUMP HYRONICS 157 CONCRETE PAD B-1 OR TYPE 1 SEE NOTES BELOW 540 M4.01, 5/M7.02 KBTZ
CHWP-2 BASE MOUNTED PUMP HYDRONICS 157 CONCRETE PAD B-1 OR TYPE 1 SEE NOTES BELOW 540 M4.01, 5/M7.02 KBTZ
CU-1 CONDENSING UNIT UPPER ROOF SLEEPERS SEE NOTES BELOW 300 M2.03, 2/M7.03 KBTZ 1-3
EF-1 CENTRIFUGAL NORTH OFFICE ROOF ROOF CURB 5C SEE NOTES BELOW 24" 45 M2.02, 3/M7.02 KBTZ 1, 2
NOTES:1) ALL BOXES SHALL BE PROVIDED WITH HIGH CFM CONTROL.2) ALL BOXES SHALL BE PRESSURE INDEPENDANT AND COMPLETE WITH CENTER AVERAGING AIRFLOW SENSOR.3) SEISMIC BRAZCE UNIT PER SMACMA GUIDELINES.4) COIL CONNECTION AND CONTROL BOX SHALL BE ON OPPOSITE SIDE.5) CONTROL VALVES TO BE FIELD INSTALLED AS REQUIRED. (2-WAY & 3-WAY)6) ALL TERMINAL BOXES SHALL HAVE MINIMUM 1 INCH INSULATION CONFORMING TO UL181 AND NFPA90A.
7) ALL PERFORMANCE SHALL BE ARI CERTIFIED.8) ROOM NC LEVEL SHOWN INCLUDES ATTENUATION TRANSFER FUNCTIONS OBTAINED FROM TABLES IN ARI STANDARD 885.9) SOUND DATA SHALL BE OBTAINED FROM TESTS CONDUCTED IN ACCORDANCE WITH ARI STANDARD 880-98.10) 120V POWER TO CONTROL TRANSFORMER BY DIVISION 26. 24V DDC CONTROL WIRING BY "RELIABLE" CONTROL CONTRACTOR.11) SEE 1/M6.02 FOR MOUNTING DETAIL AND 4/M5.01 FOR TERMINAL BOX PIPING DIAGRAM.
NOTES:1) PROVIDE BACKDRAFT DAMPER.2) PROVIDE ROOFCURB.
NOTES:1) ONE POINT POWER CONNECTION TO THE OUTDOOR UNIT WITH POWER CONDUIT TO INDOOR UNIT.2) ALL POWER WIRING TO BE INSTALLED UNDER THE ELECTRICAL WORK.3) INCLUDES FANCOIL MCA.
NOTES:1) PROVIDE WITH GOBI CONDENSATE PUMP. ELECTRICAL SERVICE - 120 V, 16 W.
NOTES:1) COORDINATE EXACT LOCATION WITH LIGHTS, SPRINKLER HEADS AND ARCHITECTURAL RCP.2) USE BORDER TYPE 2 FOR SURFACE MOUNT IN HARD CEILINGS.3) COORDINATE WITH WALL ELEVATIONS.4) SEE FLOOR PLANS FOR NECK SIZES.5) SEE FLOOR PLANS FOR FACE SIZES.
NOTES:1) PROVIDE WITH ROOF CURB.2) PROVIDE WITH BIRD SCREEN.
THIS DRAWING IS NOT FINAL OR TO BE USED FOR CONSTRUCTION UNTIL IT IS SIGNED BY THE ARCHITECTAND ENGINEER.
CONSULTANT
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6910 5 31112 8 7 4 2 1
NO. ISSUE DATE
ARCHITECT'S STAMP APPROVAL
Jesse Agosta
2014-0174
SAN JOSE CITYCOLLEGE
PHYSICAL EDUCATION BUILDING ANDRENOVATED LAB BUILDING
SAN JOSE, CALIFORNIA
ENLARGED PLANS ANDSECTIONS - MECHANICAL
M4.01
1.12.2015
1089-0001
DSA SUBMITTAL
1/2" = 1'-0"
1 ENLARGED VIEW - MECHANICAL
SHEET KEYNOTES1 4'' VENT THROUGH ROOF FROM DRYERS.
1/8" = 1'-0"
2 SECTION VIEW - GYM DUCT - MECHCANIAL
CHECK VALVE (TYP)
ISOLATION VALVE (TYP)
FLEXCONNECTION(TYP)
STRAINER (TYP)
PUMP (TYP)
VFD
PRESSURE GAUGE(TYP)
AIR FLOW
M
CHWR/HWR CHWS/HWS
UNION AT COIL CONN ONSTEEL PIPE ONLY
PRESSURE INDEPENDENTTWO-WAY CONTROL VALVE
STRAINER
6" DIRT LEG, 3/4" DRAIN VALVE WITHMALE HOSE ADAPTER AND CAP (TYP)
FLEXIBLE CONNECTION (TYP)
PETE'S PLUG
ISOLATION VALVE (TYP)
MANUAL AIR VENT
SWITCHOVER COOLING/HEATING COIL
ISOLATION VALVES
BALANCING VALVE
AIR FLOW
M
CHWR/HWR CHWS/HWS
UNION AT COIL CONN ONSTEEL PIPE ONLY
PRESSURE GAUGE (TYP)
TEMPERATURE GAUGE (TYP)PRESSURE INDEPENDENTTWO-WAY CONTROL VALVE
STRAINER
6" DIRT LEG, 3/4" DRAIN VALVE WITHMALE HOSE ADAPTER AND CAP (TYP)
FLEXIBLE CONNECTION (TYP)
PETE'S PLUG (TYP)
ISOLATION VALVE (TYP)
MANUAL AIR VENT
SWITCHOVER COOLING/HEATING COIL
ISOLATION VALVES BALANCING VALVE
DP
T T
ISOLATION VALVE; MAX 72" AFF (TYP)
UNION OR FLANGE (TYP)
PRESSURE GAGE AND COCK (TYP)
PETE'S PLUG (TYP)
TEMPERATURE GAGE (TYP)
STRAINER WITH BLOW OFF VALVE &
MALE HOSE ADAPTER & CAP. LOCATE IN
HORIZONTAL POSITION PER MFR'S
INSTALLATION. (TYP)
3/4" DRAIN VALVE WITH MALE HOSE
ADAPTER AND CAP (TYP)
AUTOMATIC FLOW CONTROL VALVE
(TYP)
NOTE:
1.PIPING AND DEVICES TO BE LOCATED INSUCH A MANNER TO PROVIDE ADEQUATEROOM AND ACCESS TO READ ALL GAGES,OPERATE ALL VALVES, AND REMOVESECTIONS BETWEEN UNIONS/FLANGES.
2. PROVIDE AT ENTRANCE TO BUILDING.LOCATE HORIZONTALLY IF ASSEMBLYCANNOT BE PROVIDED VERTICALLY.
THIS DRAWING IS NOT FINAL OR TO BE USED FOR CONSTRUCTION UNTIL IT IS SIGNED BY THE ARCHITECTAND ENGINEER.
CONSULTANT
6910 5 31112 8 7 4 2 1
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6910 5 31112 8 7 4 2 1
NO. ISSUE DATE
ARCHITECT'S STAMP APPROVAL
Jesse Agosta
2014-0174
SAN JOSE CITYCOLLEGE
PHYSICAL EDUCATION BUILDING ANDRENOVATED LAB BUILDING
SAN JOSE, CALIFORNIA
DIAGRAMS - MECHANICAL
M5.01
1.12.2015
1089-0001
DSA SUBMITTAL
NO SCALE
1 TYPICAL PUMP PIPE FIT-UP DIAGRAM
NO SCALE
2 SINGLE COIL PIPING DIAGRAM (FCU/VAV TERMINAL UNIT)
NO SCALE
3 SINGLE COIL PIPING DIAGRAM (AHU)
NO SCALE
4 UNDERGROUND PIPING POINT OF ENTRY DETAIL
CT
A0
AI
D0
DI
DP
MD
HS
DP
P
SD
T
TPI
VFD
CONTROL DIAGRAM SYMBOLS LIST
ABBREVIATIONS
AFMS
AI
AO
BMS
CT
DDC
DI
DO
DP
EA
EF
HS
HWR
HWS
M
MAU
M/S
MD
OA
P
RA
RF
SA
SF
SD
T
TPI
VFD
SYMBOLS
ANALOG INPUT
ANALOG OUTPUT
ELECTRIC CURRENT TRANSMITTER
DIRECT DIGITAL CONTROL
DIGITAL INPUT
DIGITAL OUTPUT
DIFFERENTIAL PRESSURE SENSOR
HIGH STATIC
MOTOR STARTER
MOTORIZED DAMPER
PRESSURE SENSOR
SMOKE DETECTOR
TEMPERATURE SENSOR
THIRD PARTY INTERFACE (BACNET)
VARIABLE FREQUENCY DRIVE
DDC
M/S
CO2
PPM
AIR FLOW MEASURING STATION
ANALOG INPUT
ANALOG OUTPUT
BUILDING MANAGEMENT SYSTEM
ELECTRIC CURRENT TRANSMITTER
DIRECT DIGITAL CONTROL
DIGITAL INPUT
DIGITAL OUTPUT
PRESSURE SENSOR
EXHAUST AIR
EXHAUST FAN
HIGH STATIC
HEATING HOT WATER RETURN
HOT WATER SUPPLY
MOTORIZED
MAKE UP AIR UNIT
STARTER
MOTORIZED DAMPER
OUTSIDE AIR
PRESSURE SENSOR
RETURN AIR
FAN
SUPPLY AIR
SUPPLY FAN OR SQUARE FOOT
SMOKE DETECTOR
TEMPERATURE SENSOR
THIRD PARTY INTERFACE
VARIABLE FREQUENCY DRIVE
CARBON DIOXIDE
PART PER MILLION
XFMER 120V TO 24V TRANSFORMER
CONTROLS CONTRACTOR TOCOORDINATE SEQUENCES AND POINTSWITH SELECTED EQUIPMENT AT BID TIME.
NOTES:
PROVIDE THIRD PARTY BACNET INTERFACES, WHERE NOT PROVIDED BY MFR.
ALL CONTROL WIRING TO BE FURNISHED AND INSTALLED PER DIV. 23 & 26 SPECIFICATIONS. PLENUMRATED CABLE WITHIN PLENUM CEILINGS, RACEWAY ABOVE HARD LID CEILINGS.
PROVIDE 24V POWER TO ALL CONTROL DEVICES. DIV 26 SHALL PROVIDE 120V POWER TO 24VTRANSFORMER (DIV 23) FOR LOW VOLTAGE CONTROL POWER.
PROVIDE 120V POWER FOR ALL AIRFLOW MEASURING STATIONS AND BUILDING MANAGEMENTCONTROL SYSTEM INCLUDING ALL PANELS. FOLLOW DIV. 26 SPECIFICATIONS FOR PRODUCT ANDINSTALLATION RELATED TO 120V POWER DISTRIBUTION, COORDINATE CIRCUITS DESIRED WITHELECTRICAL
PROVIDE DEVICES/PROGRAMMING OF BMS SYSTEM FOR OWNER OVERRIDE OF CONTROLLED SYSTEM.
MISCELLANEOUS POINTS: INTEGRATE BUILDING LIGHTING CONTROLS (SEE ELECTRICAL),PROVIDEDOMESTIC HOT WATER CONTROLS (SEE PLUMBING)
PROVIDE ALL TELECOMMUNICATIONS INFRASTRUCTURE REQUIRED FOR PROPER OPERATION OFSYSTEM AND COMMUNICATION TO DISTRICT CENTRAL AUTOMATION SYSTEMS.
PROVIDE TELECOM TO IP NETWORK TO THE DISTRICT.
CONTROL DIAGRAMS, SEQUENCES, AND SPECIFICATIONS ARE PERFORMANCE BASED. PROVIDE FINALSEQUENCES, POINTS LIST, TRENDING LIST, AND ARCHITECTURAL RISER DIAGRAMS (SEESPECIFICATIONS).
A.
B.
C.
D.
E.
F.
G.
H.
I.
CO2 CARBON DIOXIDE SENSOR
DP
AI
AI
D0
DI
A0
AI
AI
AI
D0
DI
A0
AI
AI
AI
AI
TEMP (180°F)VFD TPI
VFD TPI
HZ *
START/STOP
STATUS *
SPEED
DIFF PRESS. (PSI)
(INITIAL 12 PSI)HZ *
START/STOP
STATUS *
SPEED TEMP
KWH *
KWH * * = FROM VFD BACNET CARD
TEMP
TEMP
(FROM CUP)
HWS
(TO CUP)
HWR
BMS
LOCATE 2/3 DISTANCEDOWN LONGESTHYDRAULIC LENGTH
HWP-1
HWP-2
SEE DETAIL 4/M5.01 FORADDITIONAL CONTROL POINTS.
T
T
T
T
BMS
DP
AI
AI
D0
DI
A0
AI
AI
AI
D0
DI
A0
AI
AI
AI
AI
TEMP (58°F)VFD TPI
VFD TPI
HZ *
START/STOP
STATUS *
SPEED
DIFF PRESS. (PSI)
(INITIAL 12 PSI)HZ *
START/STOP
STATUS *
SPEED TEMP
KWH *
KWH * * = FROM VFD BACNET CARD
TEMP
TEMP
(FROM CUP)
CHS
(TO CUP)
CHR
BMS
LOCATE 2/3 DISTANCEDOWN LONGESTHYDRAULIC LENGTH
CHP-1
CHP-2
SEE DETAIL 4/M5.01 FORADDITIONAL CONTROL POINTS.
T
T
T
T
BMS
M
AO
AO
AI
AI
AO
AI
AI
24 V
24 V
H
C
MODULATE
HWSHWR
VAV BOX WITH REHEAT
ZONE TEMPERATURE SENSOR
V-1
MODULATE, VAVDAMPER ACTUATOR
AIRFLOW (CFM)
TEMP
TEMPSENSOR
UNIT VAVCONTROLLER
VAV BOX NO REHEAT
AIRFLOW (CFM)
TEMP
TEMPSENSOR
FURNISHED BY CONTROLSCONTRACTOR, INSTALLED BYVAV MFR. (TYP)
UNIT VAVCONTROLLER
MODULATE, VAVDAMPER ACTUATOR
ZONE CO2 SENSOR(INITIAL: 1,000 PPM)
DI
AI
MD
MD
AI
AI
ZONE OVERRIDE
ZONE TEMP
TP T
P T
CARBON DIOXIDE
C
ZONE SETPOINT ADJUST
ZONE PRESSURE SENSOR(INITIAL: 0.05'')
AI PRESSURE
P
SEQUENCE OF OPERATION:
HEATING SYSTEM RUN CONDITIONS:
THE HEATING SYSTEM SHALL BE ENABLED TO RUN WHENEVER:
· A DEFINABLE NUMBER OF ZONES OR HOT WATER COILS NEED HEATING DURING
THEIR RESPECTIVE SCHEDULED OCCUPIED RUN TIMES, MINIMUM TWO
· AND OUTSIDE AIR TEMPERATURE IS LESS THAN 70°F (OPERATOR DEFINABLE).
TO PREVENT SHORT CYCLING, THE PUMPING SYSTEM SHALL RUN FOR AND BE OFF FOR
MINIMUM ADJUSTABLE TIMES (BOTH OPERATOR DEFINABLE), UNLESS SHUTDOWN ON
SAFETIES OR OUTSIDE AIR CONDITIONS.
HOT WATER PUMP LEAD/LAG OPERATION:
THE TWO HOT WATER PUMPS SHALL OPERATE IN A LEAD/LAG FASHION.
· THE LEAD PUMP SHALL RUN FIRST.
· ON FAILURE OF THE LEAD PUMP, THE LAG PUMP SHALL RUN AND THE LEAD PUMP
SHALL TURN OFF.
· ON DECREASING HOT WATER DIFFERENTIAL PRESSURE, THE LAG PUMP SHALL STAGE
ON AND RUN IN UNISON WITH THE LEAD PUMP TO MAINTAIN HOT WATERDIFFERENTIAL PRESSURE SETPOINT.
THE DESIGNATED LEAD PUMP SHALL ROTATE UPON ONE OF THE FOLLOWING CONDITIONS
(USER DEFINABLE ):
· MANUALLY THROUGH A SOFTWARE SWITCH
· IF PUMP RUNTIME (OPERATOR DEFINABLE) IS EXCEEDED
· WEEKLY
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HOT WATER PUMP 1
o FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
o RUNNING IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.
o RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE LIMIT.
o VFD FAULT.
· HOT WATER PUMP 2
o FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
o RUNNING IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.
o RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE LIMIT.
o VFD FAULT.
THE FOLLOWING SETPOINTS ARE RECOMMENDED VALUES. ALL SETPOINTS SHALL BE FIELD
ADJUSTED DURING THE COMMISSIONING PERIOD TO MEET THE REQUIREMENTS OF ACTUAL
FIELD CONDITIONS.
THE CONTROLLER SHALL MODULATE HOT WATER PUMP SPEEDS TO MAINTAIN A HOT
WATER DIFFERENTIAL PRESSURE OF 12 PSI (OPERATOR DEFINABLE). THE VFDS MINIMUM
SPEED SHALL NOT DROP BELOW 10% (ADJ.).
ON DROPPING HOT WATER DIFFERENTIAL PRESSURE, THE VFDS SHALL STAGE ON AND RUN
TO MAINTAIN SETPOINT AS FOLLOWS:
· THE CONTROLLER SHALL MODULATE THE LEAD VFD TO MAINTAIN SETPOINT.
· IF THE LEAD VFD SPEED IS GREATER THAN A SETPOINT OF 90% (ADJ.), THE LAG VFD
SHALL STAGE ON.
· THE LAG VFD SHALL RAMP UP TO MATCH THE LEAD VFD SPEED AND THEN RUN IN
UNISON WITH THE LEAD VFD TO MAINTAIN SETPOINT.
ON RISING HOT WATER DIFFERENTIAL PRESSURE, THE VFDS SHALL STAGE OFF AS
FOLLOWS:
· IF THE VFD'S SPEEDS DROPS BACK TO 40% (ADJ.) BELOW SETPOINT, THE LAG VFD SHALL
STAGE OFF.
· THE LEAD VFD SHALL CONTINUE TO RUN TO MAINTAIN SETPOINT.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH HOT WATER DIFFERENTIAL PRESSURE: IF 25% (OPERATOR DEFINABLE) GREATER
THAN SETPOINT.
· LOW HOT WATER DIFFERENTIAL PRESSURE: IF 25% (OPERATOR DEFINABLE) LESS THAN
SETPOINT.
PRIMARY HOT WATER SYSTEM MONITORING:
THE FOLLOWING SYSTEM SHALL BE MONITORED:
· PRIMARY HOT WATER SUPPLY.
· PRIMARY HOT WATER RETURN.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH PRIMARY HOT WATER SUPPLY TEMP: IF GREATER THAN 200°F (ADJ.).
· LOW PRIMARY HOT WATER SUPPLY TEMP: IF LESS THAN 100°F (ADJ.).
· AND CAMPUS CENTRAL HEATING PLANT IS ENABLED.
(OPERATOR DEFINABLE).
· PRIMARY HOT WATER FLOW RATE.
HOT WATER SUPPLY TEMPERATURE CONTROL
HOT WATER DIFFERENTIAL PRESSURE CONTROL:
THE CONTROLLER SHALL MEASURE HOT WATER DIFFERENTIAL PRESSURE AND MODULATE
THE HOT WATER PUMP VFD'S IN SEQUENCE TO MAINTAIN ITS HOT WATER DIFFERENTIAL
PRESSURE SETPOINT.
DIFFERENTIAL PRESSURE RESET CONTROL :
THE INITIAL DIFFERENTIAL PRESSURE SETPOINT SHALL BE 12 PSI (OPERATOR DEFINABLE).
AS DEMAND INCREASES, THE SETPOINT SHALL INCREMENTALLY RESET UP TO A MAXIMUM
OF 15 PSI (OPERATOR DEFINABLE).
AS DEMAND DECREASES, THE SETPOINT SHALL INCREMENTALLY RESET DOWN TO A
MINIMUM OF 5 PSI (OPERATOR DEFINABLE).
TRIM AND RESPOND ALGORITHM: DIFFERENTIAL PRESSURE SETPOINT SHALL BE RESET
USING TRIM AND RESPOND LOGIC WITHIN THE RANGES INDICATED ABOVE. WHEN THE
PUMP IS OFF, FREEZE SETPOINT AT THE MINMUM VALUE. WHILE PUMP IS PROVEN ON,
(SET AT INITIAL DIFFERENTIAL PRESSURE SETPOINT NOTED ABOVE) EVERY 5 MINUTES,
DECREASE THE SETPOINT BY 0.5 PSI IF THERE IS ONE (OPERATOR DEFINABLE) OR FEWER
PRESSURE REQUESTS. IF THERE IS MORE THAN ONE (OPERATOR DEFINABLE) PRESSURE
REQUESTS, INCREASE THE SETPOINT BY 0.5 PSI. A PRESSURE REQUEST IS GENERATED
WHEN ANY MODULATING CONTROL VALVE SERVED BY THE SYSTEM IS WIDE OPEN UNTIL
IT DROPS TO 90% OPEN. DURING THE COMMISSIONING PHASE, DETERMINE ROGUE
ZONES THAT LIMIT THE TRIM AND RESPOND ALGORITHM AND REPORT ZONES TO
ARCHITECT FOR REVIEW.
THE HEATING HOT WATER TEMPERATURE SETPOINT SHALL BE SET AT 180°F (OPERATOR
DEFINABLE). VALVE V-1 SHALL MODULATE TO MIX CUP HEATING SUPPLY WATER WITH
BUILDING RETURN WATER TEMPERATURE IN ORDER TO MAINTAIN DESIRED BUILDING
HEATING WATER TEMPERATURE. RESET BUILDING TEMPERATURE USING TRIM AND
RESPOND ALGORITHM BASED ON WORST ZONE OFFSET.
ENERGY MONITORING:
MONITOR AND TREND LOG PUMP KWH THROUGH VFD AND SYSTEM THERMAL ENERGY USE
THROUGH BTUH CALCULATIONS USING SUPPLY/RETURN WATER TEMPERATURE AND SYSTEM
FLOW. (BASED ON CALIBRATED FLOW THROUGH V-1 AND ACTUATOR POSITION).
SEQUENCE OF OPERATION:
CHILLED WATER SYSTEM RUN CONDITIONS:
THE CHILLED WATER SYSTEM SHALL BE ENABLED TO RUN WHENEVER:
· A DEFINABLE NUMBER OF FAN COILS, ZONES, OR COOLING COILS NEED COOLING, MINIMUM ONE
(OPERATOR DEFINABLE).
·
TO PREVENT SHORT CYCLING, THE PUMPING SYSTEM SHALL RUN FOR AND BE OFF FOR
MINIMUM ADJUSTABLE TIMES (BOTH OPERATOR DEFINABLE), UNLESS SHUTDOWN ON
SAFETIES OR OUTSIDE AIR CONDITIONS.
CHILLED WATER PUMP LEAD/LAG OPERATION:
THE TWO CHILLED WATER PUMPS SHALL OPERATE IN A LEAD/LAG FASHION.
· THE LEAD PUMP SHALL RUN FIRST.
· ON FAILURE OF THE LEAD PUMP, THE LAG PUMP SHALL RUN AND THE LEAD PUMP
SHALL TURN OFF.
· ON DECREASING CHILLED WATER DIFFERENTIAL PRESSURE, THE LAG PUMP SHALL STAGE
ON AND RUN IN UNISON WITH THE LEAD PUMP TO MAINTAIN CHILLED WATERDIFFERENTIAL PRESSURE SETPOINT.
THE DESIGNATED LEAD PUMP SHALL ROTATE UPON ONE OF THE FOLLOWING CONDITIONS
(USER DEFINABLE ):
· MANUALLY THROUGH A SOFTWARE SWITCH
· IF PUMP RUNTIME (OPERATOR DEFINABLE) IS EXCEEDED
· WEEKLY
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· CHILLED WATER PUMP 1
o FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
o RUNNING IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.
o RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE LIMIT.
o VFD FAULT.
· CHILLED WATER PUMP 2
o FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
o RUNNING IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.
o RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE LIMIT.
o VFD FAULT.
CHILLED WATER DIFFERENTIAL PRESSURE CONTROL:
THE CONTROLLER SHALL MEASURE CHILLED WATER DIFFERENTIAL PRESSURE AND MODULATE
THE CHILLED WATER PUMP VFD'S IN SEQUENCE TO MAINTAIN ITS CHILLED WATER DIFFERENTIAL
PRESSURE SETPOINT.
THE FOLLOWING SETPOINTS ARE RECOMMENDED VALUES. ALL SETPOINTS SHALL BE FIELD
ADJUSTED DURING THE COMMISSIONING PERIOD TO MEET THE REQUIREMENTS OF ACTUAL
FIELD CONDITIONS.
THE CONTROLLER SHALL MODULATE CHILLED WATER PUMP SPEEDS TO MAINTAIN A CHILLED
WATER DIFFERENTIAL PRESSURE OF 12 PSI (OPERATOR DEFINABLE). THE VFDS MINIMUM
SPEED SHALL NOT DROP BELOW 10% (ADJ.).
ON DROPPING CHILLED WATER DIFFERENTIAL PRESSURE, THE VFDS SHALL STAGE ON AND RUNTO MAINTAIN SETPOINT AS FOLLOWS:
· THE CONTROLLER SHALL MODULATE THE LEAD VFD TO MAINTAIN SETPOINT.
· IF THE LEAD VFD SPEED IS GREATER THAN A SETPOINT OF 90% (ADJ.), THE LAG VFD
SHALL STAGE ON.
· THE LAG VFD SHALL RAMP UP TO MATCH THE LEAD VFD SPEED AND THEN RUN IN
UNISON WITH THE LEAD VFD TO MAINTAIN SETPOINT.
ON RISING CHILLED WATER DIFFERENTIAL PRESSURE, THE VFDS SHALL STAGE OFF AS
FOLLOWS:
· IF THE VFD'S SPEEDS DROPS BACK TO 40% (ADJ.) BELOW SETPOINT, THE LAG VFD SHALL
STAGE OFF.
· THE LEAD VFD SHALL CONTINUE TO RUN TO MAINTAIN SETPOINT.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH CHILLED WATER DIFFERENTIAL PRESSURE: IF 25% (OPERATOR DEFINABLE) GREATER
THAN SETPOINT.
· LOW CHILLED WATER DIFFERENTIAL PRESSURE: IF 25% (OPERATOR DEFINABLE) LESS THAN
SETPOINT.
CHILLED WATER SUPPLY TEMPERATURE CONTROL:
THE CHILLED WATER SUPPLY TEMPERATURE SETPOINT SHALL BE SET AT 58°F
(OPERATOR DEFINABLE). VALVE V-1 SHALL MODULATE TO MIX CUP CHILLED WATER WITH
PRIMARY CHILLED WATER SYSTEM MONITORING:
THE FOLLOWING SYSTEM SHALL BE MONITORED:
· PRIMARY CHILLED WATER SUPPLY.
· PRIMARY CHILLED WATER RETURN.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH PRIMARY CHILLED WATER SUPPLY TEMP: IF GREATER THAN 62°F (ADJ.).
· LOW PRIMARY CHILLED WATER SUPPLY TEMP: IF LESS THAN 50°F (ADJ.).
AND CAMPUS CHILLER PLANT IS ENABLED.
· PRIMARY CHILLED WATER FLOW RATE.
ENERGY MONITORING:
MONITOR AND TREND LOG PUMP KWH THROUGH VFD AND SYSTEM THERMAL ENERGY USE
THROUGH BTUH CALCULATIONS USING SUPPLY/RETURN WATER TEMPERATURE AND SYSTEM
FLOW. (BASED ON CALIBRATED FLOW THROUGH V-1 AND ACTUATOR POSITION).
BUILDING RETURN WATER TEMPERATURE IN ORDER TO MAINTAIN DESIRED BUILDING CHILLED
WATER SUPPLY TEMPERATURE. RESET BUILDING TEMPERATURE USING TRIM AND RESPOND
DIFFERENTIAL PRESSURE RESET CONTROL :
THE INITIAL DIFFERENTIAL PRESSURE SETPOINT SHALL BE 12 PSI (OPERATOR DEFINABLE).
AS DEMAND INCREASES, THE SETPOINT SHALL INCREMENTALLY RESET UP TO A MAXIMUM
OF 15 PSI (OPERATOR DEFINABLE).
AS DEMAND DECREASES, THE SETPOINT SHALL INCREMENTALLY RESET DOWN TO A
MINIMUM OF 5 PSI (OPERATOR DEFINABLE).
TRIM AND RESPOND ALGORITHM: DIFFERENTIAL PRESSURE SETPOINT SHALL BE RESET
USING TRIM AND RESPOND LOGIC WITHIN THE RANGES INDICATED ABOVE. WHEN THE
PUMP IS OFF, FREEZE SETPOINT AT THE MINMUM VALUE. WHILE PUMP IS PROVEN ON,
(SET AT INITIAL DIFFERENTIAL PRESSURE SETPOINT NOTED ABOVE) EVERY 5 MINUTES,
DECREASE THE SETPOINT BY 0.5 PSI IF THERE IS ONE (OPERATOR DEFINABLE) OR FEWER
PRESSURE REQUESTS. IF THERE IS MORE THAN ONE (OPERATOR DEFINABLE) PRESSURE
REQUESTS, INCREASE THE SETPOINT BY 0.5 PSI. A PRESSURE REQUEST IS GENERATED
WHEN ANY MODULATING CONTROL VALVE SERVED BY THE SYSTEM IS WIDE OPEN UNTIL
IT DROPS TO 90% OPEN. DURING THE COMMISSIONING PHASE, DETERMINE ROGUE
ZONES THAT LIMIT THE TRIM AND RESPOND ALGORITHM AND REPORT ZONES TO
ARCHITECT FOR REVIEW.
ALGORITHM BASED ON WORST ZONE OFFSET.
VARIABLE AIR VOLUME - TERMINAL UNIT (SERVING OFFICES)
RUN CONDITIONS - SCHEDULED:THE UNIT SHALL RUN ACCORDING TO A USER DEFINABLE TIME SCHEDULE INTHE FOLLOWING MODES:
• OCCUPIED MODE: THE UNIT SHALL MAINTAINo A 74 DEGREES F (ADJ.) COOLING SETPOINTo A 70 DEGREES F (ADJ.) HEATING SETPOINT.
• UNOCCUPIED MODE (NIGHT SETBACK): THE UNIT SHALL MAINTAINo A 85 DEGREES F (ADJ.) COOLING SETPOINT.o A 55 DEGREES F (ADJ.) HEATING SETPOINT.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
• HIGH ZONE TEMP: IF THE ZONE TEMPERATURE IS GREATER THAN THECOOLING SETPOINT BY A USER DEFINABLE AMOUNT (ADJ.).
• LOW ZONE TEMP: IF THE ZONE TEMPERATURE IS LESS THAN THE HEATINGSETPOINT BY A USER DEFINABLE AMOUNT (ADJ.).
MINIMUM VENTILATION ON CARBON DIOXIDE (CO2) CONCENTRATION (ONLY INDENSELY OCCUPIED AREAS - SHOWN ON PLANS:WHEN IN THE OCCUPIED MODE, THE CONTROLLER SHALL MEASURE THE ZONECO2 LEVELS AND MODULATE THE ZONE DAMPER OPEN ON RISING CO2CONCENTRATIONS OR ZONE DAMPER CLOSING OR LOWERING CO2CONCENTRATIONS, OVERRIDING NORMAL DAMPER OPERATION TO MAINTAIN ACO2 SETPOINT OF NOT MORE THAN 1000 PPM (ADJ.).
ALARMS SHALL BE PROVIDED AS FOLLOWS:
• LOW PRESSURE: IF SPACE PRESSURE BECOMES NEGATIVE.• HIGH ZONE CARBON DIOXIDE CONCENTRATION: IF THE ZONE CO2
CONCENTRATION IS GREATER THAN 1000 PPM (ADJ.).
MINIMUM PRESSURE SETPOINT:
WHEN IN OCCUPIED MODE, THE CONTROLLER SHALL MEASURE SPACEPRESSURE AND OPEN THE ZONE DAMPER UPON READINGS LESS THANSETPOINT. THIS ACTION SHALL OVERRIDE C02 SENSORS INDICATING THAT THEZONE DAMPER MAY CLOSE. THIS ACTION SHALL ALSO OVERRIDE HEATINGSEQUENCES CALLING FOR THE ZONE DAMPER TO CLOSE.
DEMAND LIMITING - ZONE SETPOINT OPTIMIZATION:TO LOWER POWER CONSUMPTION, THE ZONE SETPOINTS SHALLAUTOMATICALLY RELAX WHEN THE FACILITY POWER CONSUMPTION EXCEEDSDEFINABLE THRESHOLDS. THE AMOUNT OF RELAXATION SHALL BE INDIVIDUALLYCONFIGURABLE FOR EACH ZONE. THE ZONE SETPOINTS SHALL AUTOMATICALLYRETURN TO THEIR PREVIOUS SETTINGS WHEN THE FACILITY POWERCONSUMPTION DROPS BELOW THE THRESHOLDS.
ZONE SETPOINT ADJUST:THE OCCUPANT SHALL BE ABLE TO ADJUST THE ZONE TEMPERATURE HEATINGAND COOLING SETPOINTS AT THE ZONE SENSOR.
ZONE OPTIMAL START:THE UNIT SHALL USE AN OPTIMAL START ALGORITHM FOR MORNING START-UP.THIS ALGORITHM SHALL MINIMIZE THE UNOCCUPIED WARM-UP OR COOL-DOWNPERIOD WHILE STILL ACHIEVING COMFORT CONDITIONS BY THE START OFSCHEDULED OCCUPIED PERIOD.
ZONE UNOCCUPIED OVERRIDE:A TIMED LOCAL OVERRIDE CONTROL SHALL ALLOW AN OCCUPANT TO OVERRIDETHE SCHEDULE AND PLACE THE UNIT INTO AN OCCUPIED MODE FOR ANADJUSTABLE PERIOD OF TIME. AT THE EXPIRATION OF THIS TIME, CONTROL OFTHE UNIT SHALL AUTOMATICALLY RETURN TO THE SCHEDULE.
REVERSING VARIABLE VOLUME TERMINAL UNIT - FLOW CONTROL:THE UNIT SHALL MAINTAIN ZONE SETPOINTS BY CONTROLLING THE AIRFLOWTHROUGH ONE OF THE FOLLOWING:
REVERSING VARIABLE VOLUME TERMINAL UNIT - FLOW CONTROL:THE UNIT SHALL MAINTAIN ZONE SETPOINTS BY CONTROLLING THE AIRFLOWTHROUGH ONE OF THE FOLLOWING:
OCCUPIED:
• WHEN ZONE TEMPERATURE IS GREATER THAN ITS COOLING SETPOINT, THEZONE DAMPER SHALL MODULATE BETWEEN THE MINIMUM OCCUPIEDAIRFLOW (ADJ.) AND THE MAXIMUM COOLING AIRFLOW (ADJ.) UNTIL THE ZONEIS SATISFIED.
• WHEN THE ZONE TEMPERATURE IS BETWEEN THE COOLING SETPOINT ANDTHE HEATING SETPOINT, THE ZONE DAMPER SHALL MAINTAIN THE MINIMUMREQUIRED ZONE VENTILATION (ADJ.).
• WHEN ZONE TEMPERATURE IS LESS THAN ITS HEATING SETPOINT, THECONTROLLER SHALL ENABLE HEATING TO MAINTAIN THE ZONE TEMPERATUREAT ITS HEATING SETPOINT. ADDITIONALLY, IF WARM AIR IS AVAILABLE FROMTHE AHU, THE ZONE DAMPER SHALL MODULATE BETWEEN THE MINIMUMOCCUPIED AIRFLOW (ADJ.) AND THE MAXIMUM HEATING AIRFLOW (ADJ.) UNTILTHE ZONE IS SATISFIED.
UNOCCUPIED:
• WHEN THE ZONE IS UNOCCUPIED THE ZONE DAMPER SHALL CONTROL TO ITSMINIMUM UNOCCUPIED AIRFLOW (ADJ.).
• WHEN THE ZONE TEMPERATURE IS GREATER THAN ITS COOLING SETPOINT,THE ZONE DAMPER SHALL MODULATE BETWEEN THE MINIMUM UNOCCUPIEDAIRFLOW (ADJ.) AND THE MAXIMUM COOLING AIRFLOW (ADJ.) UNTIL THE ZONEIS SATISFIED.
• WHEN ZONE TEMPERATURE IS LESS THAN ITS UNOCCUPIED HEATINGSETPOINT, THE CONTROLLER SHALL ENABLE HEATING TO MAINTAIN THE ZONETEMPERATURE AT THE SETPOINT. ADDITIONALLY, IF WARM AIR IS AVAILABLEFROM THE AHU, THE ZONE DAMPER SHALL MODULATE BETWEEN THEMINIMUM UNOCCUPIED AIRFLOW (ADJ.) AND THE AUXILIARY HEATINGAIRFLOW (ADJ.) UNTIL THE ZONE IS SATISFIED.
REHEATING COIL VALVE:THE CONTROLLER SHALL MEASURE THE ZONE TEMPERATURE AND MODULATETHE REHEATING COIL VALVE OPEN ON DROPPING TEMPERATURE TO MAINTAINITS HEATING SETPOINT.
REHEATING - HIGH DISCHARGE AIR TEMPERATURE LIMIT:THE CONTROLLER SHALL MEASURE THE DISCHARGE AIR TEMPERATURE ANDLIMIT REHEATING IF THE DISCHARGE AIR TEMPERATURE IS MORE THAN 15DEGREES F (ADJ.) ABOVE THE ZONE TEMPERATURE.
DISCHARGE AIR TEMPERATURE:THE CONTROLLER SHALL MONITOR THE DISCHARGE AIR TEMPERATURE.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
• HIGH DISCHARGE AIR TEMP: IF THE DISCHARGE AIR TEMPERATURE ISGREATER THAN 120 DEGREES F (ADJ.).
• LOW DISCHARGE AIR TEMP: IF THE DISCHARGE AIR TEMPERATURE IS LESSTHAN 40 DEGREES F (ADJ.).
ENVIRONMENTAL INDEX:WHEN THE ZONE IS OCCUPIED, THE CONTROLLER WILL MONITOR THEDEVIATION OF THE ZONE TEMPERATURE FROM THE HEATING OR COOLINGSETPOINT. THE CONTROLLER WILL ALSO MONITOR THE HUMIDITY AND CARBONDIOXIDE LEVELS AND COMPARE THEM TO COMFORT CONDITIONS. THIS DATAWILL BE USED TO CALCULATE A 0 - 100 PERCENT ENVIRONMENTAL INDEX WHICHGIVES AN INDICATION OF HOW WELL THE ZONE IS MAINTAINING COMFORT. THECONTROLLER WILL ALSO CALCULATE THE PERCENTAGE OF TIME SINCEOCCUPANCY BEGAN THAT THE ENVIRONMENTAL INDEX IS 70 PERCENT ORHIGHER. OPTIONALLY, A WEIGHTING FACTOR CAN BE CONFIGURED TO ADJUSTTHE CONTRIBUTION OF THE ZONE TO THE ROLLUP AVERAGE INDEX BASEDUPON THE FLOOR AREA OF THE ZONE, IMPORTANCE OF THE ZONE, OR OTHERSTATIC CRITERIA.
THIS DRAWING IS NOT FINAL OR TO BE USED FOR CONSTRUCTION UNTIL IT IS SIGNED BY THE ARCHITECTAND ENGINEER.
CONSULTANT
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6910 5 31112 8 7 4 2 1
NO. ISSUE DATE
ARCHITECT'S STAMP APPROVAL
Jesse Agosta
2014-0174
SAN JOSE CITYCOLLEGE
PHYSICAL EDUCATION BUILDING ANDRENOVATED LAB BUILDING
SAN JOSE, CALIFORNIA
CONTROL DIAGRAMS -MECHANICAL
M6.01
1.12.2015
1089-0001
DSA SUBMITTAL
NO SCALE
1 HEATING WATER PUMP CONTROL
NO SCALE
2 CHILLED WATER PUMP CONTROL
NO SCALE
3 VAV BOX CONTROL
SP
VFD TPI
HZ
START/STOP
STATUS
SPEED
SD HSDPT
VFD TPI
T T
TWO
LOCATIONS
PER UNIT UNIT BACNET
CONTROLLER
INTEGRATE ALL
POINTS FROM BACNET
CONTROLLER TO BMS. PROVIDE ALL POINTS
INDICATED ON DIAGRAM ON BMS GRAPHICS.
(MIN. AND
ECONOMIZER)
PROVIDE ONE AT EACH OUTSIDE AIR INTAKE
ON UNIT. USE HOT WIRE ANEMOMETER
TYPE STATION FOR OUTSIDE AIR.
(PROVIDE STATION CAPABLE OF
MEASURING AIRFLOW THROUGH THE
RANGE OF FAN AIRFLOW)
(PROVIDE STATION CAPABLE OF
MEASURING AIRFLOW THROUGH THE
RANGE OF FAN AIRFLOW)
CONTROLS CONTRACTOR TO COORDINATESEQUENCES AND POINTS WITH SELECTEDEQUIPMENT AT BID TIME.
T
KWH
HZ
START/STOP
STATUS
SPEED
KWH
M
MD
EA
MD
MD
M
AO
AI
AO
AI
AOAI
AI
DO
AI
AI
AIDIAIDIAI
AO
AO
AO
AI
DI
DO
AI
AO
AI
DI
DO
AI
H
C
MODULATE
HWSHWR
SPACE PRESSURE SENSOR
(INITIAL 0.05" H2O)
C
C
CLG. COIL
HTG. COIL
BMS SYSTEM
MODULATE
SMOKE
DETECTORHIGH STATIC
DIFF.
PRESSURE
SENSOR
(1.25" INITIAL)
PRESSURE
TEMP
SENSOR
OA
RA
MODULATE
BMS SYSTEM
SF
RF
BUILDING STATICPRESSURE
AIR FLOWOUTSIDE
AFMS
EA
TEMP
SENSOR
RA TEMP
MODULATE
SATEMP
TO FIRE SYSTEM
ALARM AND UNIT
SHUT DOWN
OUTDOOR
TEMP SENSOR
(2 LOCATION PER
BLDG.)
FLOW
FLOW
AFMS
AFMS
TO BMS
SYSTEMMODULATE
(V-2)
(V-1)
OPEN/CLOSEMOTORIZED DAMPER (MD-2)
CHWR
CHWS
MODULATE THE OUTSIDE AIR DAMPERS TO MAINTAIN THE PROPER MINIMUM OUTSIDE AIR
VENTILATION, OVERRIDING NORMAL DAMPER CONTROL. ON DROPPING OUTSIDE AIRFLOW, THE
CONTROLLER SHALL MODULATE THE OUTSIDE AIR DAMPERS OPEN TO MAINTAIN THE OUTSIDE
AIRFLOW SETPOINT (OPERATOR DEFINABLE). WHERE THE STANDARD PACKAGE UNIT OUTSIDE
AIRFLOW MEASURING STATION CANNOT RECORD AIRFLOWS SCHEDULED, PROVIDE HOT WIRE
ANEMOMETER TYPE STATION.
MIXED AIR TEMPERATURE:
THE CONTROLLER SHALL MONITOR THE MIXED AIR TEMPERATURE AND USE AS REQUIRED FOR
ECONOMIZER CONTROL (IF PRESENT) OR PREHEATING CONTROL (IF PRESENT).
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS GREATER THAN 90°F (OPERATOR
DEFINABLE).
· LOW MIXED AIR TEMP: IF THE MIXED AIR TEMPERATURE IS LESS THAN 45°F (OPERATOR
DEFINABLE).
RETURN AIR TEMPERATURE:
THE CONTROLLER SHALL MONITOR THE RETURN AIR TEMPERATURE AND USE AS
REQUIRED FOR SETPOINT CONTROL OR ECONOMIZER CONTROL (IF PRESENT).
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH RETURN AIR TEMP: IF THE RETURN AIR TEMPERATURE IS GREATER THAN
90°F (OPERATOR DEFINABLE).
· LOW RETURN AIR TEMP: IF THE RETURN AIR TEMPERATURE IS LESS THAN 45°F (OPERATOR
DEFINABLE).
SUPPLY AIR TEMPERATURE:
THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS GREATER THAN 100°F
(OPERATOR DEFINABLE)
· LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS LESS THAN 50°F (OPERATOR
DEFINABLE).
· THE BUILDING IS IN MORNING COOL-DOWN BASED ON UNIT OPTIMAL START SEQUENCE.
· OR THE BUILDING TEMPERATURE GETS UP TO 80°F (OPERATOR DEFINABLE).
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS 5°F (OPERATOR DEFINABLE)
GREATER THAN SETPOINT.
· LOW SUPPLY AIR TEMP: IF THE SUPPLY AIR TEMPERATURE IS 5°F (OPERATOR DEFINABLE)
LOWER THAN SETPOINT.
HEATING COIL VALVE (MORNING WARM-UP):
THE CONTROLLER SHALL OPEN HEATING COIL VALVE ( V-1) TO ITS MAXIMUM FLOW (AS
SCHEDULED) UNTIL SPACE TEMPERATURE IS 70°F (OPERATOR DEFINABLE), AT WHICH TIME THE
SYSTEM WILL RETURN TO OCCUPIED MODE AND HEATING COIL ( V-1) WILL BE CLOSED.
THIS HEATING SEQUENCE SHALL BE ENABLED WHENEVER:
· THE BUILDING IS IN MORNING WARM-UP BASED ON UNIT OPTIMAL START OF SEQUENCE.
· OR BUILDING TEMPERATURES GET DOWN TO 55°F (OPERATOR DEFINABLE).
· AND THE SUPPLY FAN STATUS IS ON.
· AND THE COOLING IS NOT ACTIVE.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· LOW SUPPLY AIR TEMP: IF HEATING COIL VALVE ( V-1) IS COMMANDED OPEN BUT THERE IS NO
CHANGE IN SUPPLY AIR TEMPERATURE.
ECONOMIZER:
THE CONTROLLER SHALL MEASURE THE MIXED AIR TEMPERATURE AND MODULATE THE
ECONOMIZER DAMPERS (OUTSIDE AIR, RETURN AIR, EXHAUST AIR) IN SEQUENCE TO MAINTAIN A
SETPOINT 2°F (OPERATOR DEFINABLE) LESS THAN THE SUPPLY AIR TEMPERATURE SETPOINT.
THE OUTSIDE AIR DAMPERS SHALL MAINTAIN A MINIMUM ADJUSTABLE POSITION EQUAL TO UNIT
SCHEDULED MINIMUM VENTILATION WHENEVER OCCUPIED.
THE ECONOMIZER SHALL BE ENABLED WHENEVER:
· THE OUTSIDE AIR TEMPERATURE (DRY BULB) IS LESS THAN THE RETURN AIR TEMPERATURE
(DRY BULB) BY 2°F (OPERATOR DEFINABLE).
· AND THE SUPPLY FAN STATUS IS ON.
THE ECONOMIZER SHALL CLOSE WHENEVER:
· WHEN THE OUTSIDE AIR TEMPERATURE (DRY BULB) IS HIGHER THAN 2°F (OPERATOR
DEFINABLE) LESS THAN RETURN AIR TEMPERATURE.
· OR ON LOSS OF SUPPLY FAN STATUS.
ALL DAMPERS SHALL CLOSE WHEN THE UNIT IS OFF. IF OPTIMAL START UP IS AVAILABLE THE
MIXED AIR DAMPER SHALL OPERATE AS DESCRIBED IN THE OCCUPIED MODE EXCEPT THAT
THE OUTSIDE AIR DAMPER SHALL MODULATE TO FULLY CLOSED.
MINIMUM OUTSIDE AIR VENTILATION:
WHEN IN THE OCCUPIED MODE, THE CONTROLLER SHALL MEASURE THE OUTSIDE AIRFLOW AND
HEATING COIL VALVE (PRE-HEATING):
THE CONTROLLER SHALL MEASURE THE MIXED AIR TEMPERATURE AND MODULATE THE UNIT'S
HEATING COIL VALVE (V-1) TO MAINTAIN SUPPLY AIR TEMPERATURE.
THE HEATING SHALL BE ENABLED WHENEVER:
· OUTSIDE AIR TEMPERATURE IS LESS THAN 60°F (OPERATOR DEFINABLE).
· AND THE ECONOMIZER (IF PRESENT) IS DISABLED.
· AND THE SUPPLY FAN STATUS IS ON.
THE HEATING COIL VALVE (V-1) SHALL MODULATE TO MAINTAIN SUPPLY AIR TEMPERATURE
SETPOINT 5°F (OPERATION DEFINABLE) ABOVE SUPPLY AIR TEMPERATURE SETPOINT
WHENEVER:
· ALL TERMINAL UNITS ARE IN HEATING.
SUPPLY AIR TEMPERATURE SETPOINT - OPTIMIZED:
THE CONTROLLER SHALL MONITOR THE SUPPLY AIR TEMPERATURE AND SHALL MAINTAIN A
SUPPLY AIR TEMPERATURE SETPOINT RESET BASED ON ZONE COOLING AND HEATING
REQUIREMENTS (TRIM AND RESPOND ALGORITHM).
THE SUPPLY AIR TEMPERATURE SETPOINT SHALL BE RESET FOR COOLING BASED ON ZONE
COOLING REQUIREMENTS AS FOLLOWS:
· THE INITIAL SUPPLY AIR TEMPERATURE SETPOINT SHALL BE 60°F (OPERATOR DEFINABLE).
· AS COOLING DEMAND INCREASES, THE SETPOINT SHALL INCREMENTALLY RESET DOWN TO A
MINIMUM OF 53°F (OPERATOR DEFINABLE).
· AS COOLING DEMAND DECREASES, THE SETPOINT SHALL INCREMENTALLY RESET UP TO A
MAXIMUM OF 70°F (OPERATOR DEFINABLE).
· DURING MORNING COOL-DOWN PROVIDE SUPPLY AIR TEMPERATURE AT 55°F (OPERATOR
DEFINABLE) UNTIL SPACE TEMPERATURE IN ALL ZONES REACH 74°F (OPERATOR DEFINABLE).
COOLING COIL VALVE:
THE COOLING SHALL BE ENABLED WHENEVER:
· OUTSIDE AIR TEMPERATURE IS GREATER THAN 58°F (OPERATOR DEFINABLE).
· AND THE ECONOMIZER IS NOT CAPABLE OF MEETING COOLING DEMAND BY
ITSELF.
· AND THE SUPPLY FAN STATUS IS ON.
· AND THE HEATING IS NOT ACTIVE.
MORNING COOL-DOWN SEQUENCE SHALL BE ENABLED WHENEVER:
· SUPPLY FAN IN HAND: COMMAND OFF, BUT THE STATUS IS ON.
· SUPPLY FAN RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS AN OPERATOR DEFINABLE
LIMIT.
SUPPLY AIR DUCT STATIC PRESSURE CONTROL:
THE CONTROLLER SHALL MEASURE DUCT STATIC PRESSURE AND MODULATE THE SUPPLY FAN
VFD SPEED TO MAINTAIN A DUCT STATIC PRESSURE SETPOINT. THE SPEED SHALL NOT DROP
BELOW 10% (OPERATOR DEFINABLE). THE STATIC PRESSURE SETPOINT SHALL BE RESET BASED
ON ZONE COOLING REQUIREMENTS. (TRIM AND RESPOND ALGORITHM)
· THE INITIAL DUCT STATIC PRESSURE SETPOINT SHALL BE 1.5IN H2O (OPERATOR DEFINABLE).
· AS COOLING DEMAND INCREASES, THE SETPOINT SHALL INCREMENTALLY RESET UP TO A
MAXIMUM OF 1.5 IN H2O (OPERATOR DEFINABLE).
· AS COOLING DEMAND DECREASES, THE SETPOINT SHALL INCREMENTALLY RESET DOWN TO
A MINIMUM OF 1.0IN H2O (OPERATOR DEFINABLE).
ALARM SHALL BE PROVIDED AS FOLLOWS:
· HIGH SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS 25%
(OPERATOR DEFINABLE) GREATER THAN SETPOINT.
· LOW SUPPLY AIR STATIC PRESSURE: IF THE SUPPLY AIR STATIC PRESSURE IS 25%
(OPERATOR DEFINABLE) LESS THAN SETPOINT.
· SUPPLY FAN VFD FAULT.
RETURN FAN:
THE RETURN FAN SHALL RUN WHENEVER THE SUPPLY FAN RUNS.
ALARM SHALL BE PROVIDED AS FOLLOWS:
· RETURN FAN FAILURE: COMMAND ON, BUT THE STATUS IS OFF.
· RETURN FAN IN HAND: COMMAND OFF, BUT THE STATUS IS ON.
· RETURN FAN RUNTIME EXCEEDED: STATUS RUNTIME EXCEEDS A USER DEFINABLE LIMIT
(OPERATOR DEFINABLE).
· RETURN FAN VFD FAULT.
BUILDING STATIC PRESSURE CONTROL:
THE CONTROLLER SHALL MEASURE BUILDING STATIC PRESSURE AND MODULATE THE RETURN
FAN VFD SPEED TO MAINTAIN A BUILDING STATIC PRESSURE SETPOINT OF 0.05IN H2O
(OPERATOR DEFINABLE). THE RETURN FAN VFD SPEED SHALL NOT DROP BELOW 10%
(OPERATOR DEFINABLE).
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· HIGH BUILDING STATIC PRESSURE: IF THE BUILDING AIR STATIC PRESSURE IN 25%
(OPERATOR DEFINABLE) GREATER THAN SETPOINT.
· LOW BUILDING STATIC PRESSURE: IF THE BUILDING AIR STATIC PRESSURE IS 25%
(OPERATOR DEFINABLE) LESS THAN SETPOINT.
VARIABLE AIR VOLUME - AHU
RUN CONDITIONS - SCHEDULED:
THE UNIT SHALL RUN BASED UPON AN OPERATOR ADJUSTABLE SCHEDULE.
HIGH STATIC SHUTDOWN:
THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A HIGH STATIC
SHUTDOWN SIGNAL.
SUPPLY AIR SMOKE DETECTION:
THE UNIT SHALL SHUT DOWN AND GENERATE AN ALARM UPON RECEIVING A SUPPLY AIR SMOKE
DETECTOR STATUS.
UNIT OPTIMAL START:
THE UNIT SHALL START PRIOR TO SCHEDULED OCCUPANCY BASED ON THE TIME NECESSARY
FOR THE ZONES TO REACH THEIR OCCUPIED SETPOINTS. THE START TIME SHALL
AUTOMATICALLY ADJUST BASED ON CHANGES IN OUTSIDE AIR TEMPERATURE AND ZONE
TEMPERATURES. "ADAPTIVE OPTIMAL START"
SCHEDULE TITLE 24 PRE-OCCUPANCY PURGE AND VENTILATION FOR 1-HOUR PRIORTO OCCUPANCYAT 0.15 CFM PER SQUARE FOOT.UPON COMPLETION OF TITLE 24 PRE-OCCUPANCY PURGE AND VENTILATION, CLOSE OA
DAMPERS (100%), OPEN RA DAMPER (100%), AND CLOSE EXHAUST DAMPER (100%), THEN START
MORNING WARM-UP/COOL-DOWN. PROVIDE ECONOMIZER CONTROL FOR MORNING COOL-DOWN
PER ECONOMIZER SEQUENCE. PROVIDE MORNING WARM-UP HEATING PER HEATING COIL
SEQUENCE.
DEMAND LIMITING - SETPOINT ADJUST:
· THE SUPPLY AIR TEMPERATURE SETPOINT SHALL RELAX BY 2°F (OPERATOR DEFINABLE) FOR
EACH DEMAND THRESHOLD EXCEEDED.
· THE SETPOINTS IN THE ZONES SUPPLIED BY THIS UNIT SHALL BE RELAXED AS SPECIFIED IN
THE SEQUENCE OF OPERATIONS FOR THE ZONES. THIS SHALL IN TURN RELAX THE UNIT'S
SUPPLY AIR TEMPERATURE SETPOINT BY A USER DEFINABLE AMOUNT.
ALL SETPOINTS SHALL AUTOMATICALLY RETURN TO THEIR PREVIOUS SETTINGS WHEN THE
FACILITY POWER CONSUMPTION DROPS BELOW THE THRESHOLDS.
SUPPLY FAN:
THE SUPPLY FAN SHALL RUN ANYTIME THE UNIT IS COMMANDED TO RUN, UNLESS SHUTDOWN
ON SAFETIES. TO PREVENT SHORT CYCLING, THE SUPPLY FAN SHALL HAVE AN OPERATOR
DEFINABLE MINIMUM RUNTIME.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
· SUPPLY FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
THE CONTROLLER SHALL MEASURE THE SUPPLY AIR TEMPERATURE AND MODULATE CHILLED
WATER VALVE (V-2) TO MAINTAIN ITS COOLING SETPOINT.
UNOCCUPIED MODE T-1 : SET TO TITLE 24 SET-BACK TEMPERATURE; VALVES CLOSED.
ALL MOTORIZED CONTROL DAMPERS CLOSED. ALL FIRE SMOKE
DAMPERS CLOSED. ALL FIRE SMOKE DAMPERS CLOSED. PROVIDE
WIRE HIGH STATIC
TO VFD ENABLE
DO/DI TO ALL DAMPERS.
TEMP
SENSOR
MATTEMP
ALARM
SEQUENCE OF OPERATION:
CTDI
DO
STATUS
M/S
EXHAUST
EXHAUST FAN
START / STOP
SEQUENCE OF OPERATION:
EXHAUST FAN - ON/OFF
RUN CONDITIONS - SCHEDULETHE FAN SHALL RUN ACCORDING TO A USER DEFINABLE SCHEDULE.
FAN STATUS :THE CONTROLLER SHALL MONITOR THE FAN STATUS.
ALARMS SHALL BE PROVIDED AS FOLLOWS:
FAN FAILURE: COMMANDED ON, BUT THE STATUS IS OFF.
FAN IN HAND: COMMANDED OFF, BUT THE STATUS IS ON.
FIRE / SMOKE DAMPERS:
OPEN ALL FIRE SMOKE DAMPERS RELATED TO FAN WHEN FAN IS COMMANDED TO RUN.
*
*
SHUT ALL FIRE SMOKE DAMPERS RELATED TO FAN WHEN FAN IS COMMANDED TO BESHUT-DOWN.
T
SEQUENCE OF OPERATION:THE SPLIT SYSTEM A/C UNITS SHALL BE CAPABLE OF RUNNING 24/7 FOR COOLING OF PROCESS LOADS. THE A/C UNITSAND THIER ASSOCIATEDCONDENSERS WILL BE CONTROLLED THROUGH THE MANUFACTURER PROVIDED INTERNAL MICROPROCESSORCONTROLLER. THE CONTROLLERSHALL INTERFACE TO THE BMS SYSTEM THROUGH AN OPEN PROTOCOL INTERFACE. THE BAS VENDOR TO PROVIDETHE TEMPERATURE SENSORS TOALLOW CONTROL AND MONITORING THROUGH THE BAS.
D
X
SETPOINT ADJ
ROOM TEMP
TPI
AI
DO
AI
AOSTATUS
START/STOP EVAPORATOR UNIT
CONDENSING UNIT
TEMPERATURE SENSOR
BMS
(INITIAL 74°F COOLING ONLY)
CT
DI
0 TO 10mASIGNAL FROM
BMS
CT
DI
CT
DI
AO
STATUS
CIRCULATION FAN(CF-1)TYP OF 6
SEQUENCE OF OPERATION:
OCCUPIED:
DURING OCCUPIED PERIODS AND HVAC "ON" STATUS DURING SETBACK, WARM-UP,
COOL-DOWN SEQUENCES, THE FAN WILL RUN CONTINUOUSLY, IN PARALLEL, TO
PROVIDE 100-150 FT/MIN AIR VELOCITY AT 48" A.F.F. AIR BALANCER TO
COORDINATE WITH CONTROLS CONTRACTOR TO ACHIEVE DESIRED AIR VELOCITY AT
FLOOR LEVEL.
HOLIDAY SCHEDULE:
DURING HOLIDAY SCHEDULES, UNITS TO BE COMMANDED OFF.
UNOCCUPIED:
DURING UNOCCUPIED PERIODS THE FAN WILL RUN CONTINUOUSLY, IN PARALLEL, TO
PROVIDE 50 FT/MIN AIR VELOCITY AT 48" A.F.F. AIR BALANCER TO COORDINATE
WITH CONTROLS CONTRACTOR TO ACHIEVE DESIRED AIR VELOCITY AT FLOOR LEVEL.
ALARM:
SEND ALARM TO BMS IF FANS ARE COMMANDED ON BUT STATUS SHOWS UNITS
ENGRAVED PLASTICLABEL ATTACHED WITHRIVETS AND ADHESIVE
EXHAUST AIR
COMPRESSED AIR
CHILLED WATER
PIPING (COMPLY WITH ANSI A13.1
DUCT
PIPING (COMPLY WITH ANSI A13.1
1. COORDINATE ALL TAGGING AND NAMING CONVENTIONS WITH FACILITY MAINTENANCEPERSONNEL.
2. FOR SMALLER EQUIPMENT CONTROL VALVES AND SHUT-OFF VALVES PROVIDE BRASSTAGS INDICATING THEIR FUNCTION AND THE NORMALLY OPEN AND CLOSED POSITIONS.
3. TAG BALANCING VALVES AND MAJOR DAMPERS WITH WALANCED GPM OR CFM.4. PROVIDE VALVE TAG CHART PER KAISER DIVISION 23 STANDARDS.
W12x14 PURLIN, 6'-3"O.C.
*C-769 SID BEAM
CLAMP
*1/2" H-104
HANGER ROD
*H-119
COUPLER
*E-145
HEX NUT
*A-1202
STRUT
*B-241 SQUARE
WASHER
*E-145
HEX NUT
*PIPE CLAMP (TYP)
C-715 FOR PIPE
C-716 FOR TUBE
* REFERS TO SUPERSTRUT PART NUMBER.
(BY OTHERS)
BIRDSCREEN1/4"x1/4" MESH
DUCT SIZE AS NOTED ON PLANSTRANSITION SIZE AS REQUIRED.SIZE AS REQUIRED.
LAG BOLTS1 ON EACH SIDE
COUNTERFLASHING
CURB
FLASHING
ROOFING
ROOF DECK
CANT STRIP
BACKDRAFT DAMPER
NOTE:COORDINATE SIZE AND LOCATION OF ROOF PENETRATION WITH GENERAL CONTRACTOR.COORDINATE ALL ROOFING AND CURB INSTALLATION WITH GENERAL CONTRACTOR.
(4) 3/8" DIA COUNTERSUNK THREADED RODS CONNECTINGCURB TO STEEL ANGLE (SHOWN IN 10/S5.11 OR STEELCHANNEL (SHOWN IN 11/S5.11). EXTEND CURBS ASNECESSARY TO REACH STEEL MEMBERS BELOW. SHIM ATRODS & NUTS AS NECESSARY AT CHANNELS.
BRANCH DUCT SIZE TO MATCH UNIT INLET CONNECTION. FOR BRANCH DUCTSOVER FIVE FEET IN LENGTH, INCREASE BRANCH DUCT ONE SIZE AND PROVIDETRANSITION IMMEDIATELY UPSTREAM OF MINIMUM STRAIGHT DUCT RUN.
MINIMUM 5'-0" LONG LINED PLENUM EQUAL TO TERMINAL BOX OUTLET SIZE.
MINIMUM STRAIGHT DUCT RUN:
4. FIRST BRANCH DUCT DOWNSTREAM OF TERMINAL MUST BE A MINIMUM OF 3FEET DOWNSTEAM OF TERMINAL UNIT.
1" X 16Ga. HANGER
STRAP, (TYP.)
1" X 16Ga. HANGER
MAX
30"
COLLAR AROUND
SPLIT RING
1-1/8" X 12Ga.
DUCT
NUT & LOCKNUT
STRAP. (TYPICAL)
3/8" DIA. ROD OR
ROUND DUCT HANGER
HANGER MATERIAL SUPPORTING FLEXIBLE DUCT SHALL IN NO CASE BELESS THAN 1 1/2 INCHES WIDE. FLEXIBLE DUCT SHALL BE SUPPORTEDPER MANUFACTURER'S RECOMMENDED MATERIALS, BUT AT NO GREATERDISTANCE THAN 4 FEET MAX. PERMISSIBLE SAG IS MAX. 1/2 INCHESPER FOOT OF SPACING BETWEEN SUPPORTS.
ANGLE TOP
& BOTTOM
2" X 2" X 1/8"
RECTANGULAR DUCT HANGER
(TYPICAL)
ANGLE (TYP.)
TRIM AT 45°
SCREWS
SHEET METAL
60"
MAX
3/8" DIA. ROD,OR 1" X 16Ga.HANGER STRAP,(TYP.)
DUCT (TYP.)
STRAP OVER
1" X 18Ga.
AND OVER
61"
1/2" DIA. ROD.
(TYPICAL)
REFER TO SPECIFICATIONS FOR HANGER SPACINGS.
ATTACHMENTS TO OVERHEAD STRUCTURE SHALL BE MADE INACCORDANCE WITH STRUCTURAL ENGINEERS REQUIREMENTS AND WEIGHTLIMITATIONS. ALL ATTACHMENT METHODS TO STRUCTURE SHALL BESUBMITTED TO ARCHITECT AND STRUCTURAL ENGINEER FOR REVIEW.
PROVIDE SWAY & SEISMIC BRACING PER SMACNA SEISMIC GUIDELINESAND THE LATEST EDITION OF CALIFORNIA BUILDING CODE.CONTRACTOR SHALL INDICATE LOCATIONS OF SEISMIC BRACING ON THESHOP DRAWING SUBMITTALS.
STAR WASHER (TYP.)
1/4" BOLT, NUT &
NOTES:
2.
1.
4.
3.
3/8" BOLT, NUT &
STAR WASHER
THESE TWO HANGERS SHALL BE USED ON DUCTS25" & LARGER ( MAY BE USED ON SMALLER DUCTS).
THIS HANGER ISFOR DUCTS 24"DIA. & SMALLER
1" X 16Ga.CONTINUOUSCOLLAR DRAWNTIGHT AROUNDDUCT
1" X 16Ga.HANGERSTRAP
EACH STRAPADJACENT TO ONEANOTHER ATHANGER LOCATION.(TYPICAL)
THIS DRAWING IS NOT FINAL OR TO BE USED FOR CONSTRUCTION UNTIL IT IS SIGNED BY THE ARCHITECTAND ENGINEER.
CONSULTANT
6910 5 31112 8 7 4 2 1
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6910 5 31112 8 7 4 2 1
NO. ISSUE DATE
ARCHITECT'S STAMP APPROVAL
Jesse Agosta
2014-0174
SAN JOSE CITYCOLLEGE
PHYSICAL EDUCATION BUILDING ANDRENOVATED LAB BUILDING
SAN JOSE, CALIFORNIA
DETAILS - MECHANICAL
M7.02
1.12.2015
1089-0001
DSA SUBMITTAL
NO SCALE
1 IDENTIFICATIONS
NO SCALE
2 TRAPEZE HANGER
NO SCALE
3 ROOF EXHAUST FAN
NO SCALE
4FAN COIL MOUNTING DETAIL(FC-1 - FC-4)
NO SCALE
5 TYPICAL TERMINAL UNIT DUCTING (VAV OR CAV)
NO SCALE
7 DUCT SUPPORT DETAIL
NO SCALE
6 DUCT RISER SUPPORT DETAIL
6"MIN.
4"MIN.
PACK BOX WITH
CAULK AND SEAL
SPACE AROUND PIPE
APPLY MASTIC BEFORESLIDING CLIP ONTO
DUCT & FLASHING
26 GA. FLASHING
HOT MOP INTO ROOF
22 GAUGE TOP COVER
APPLY MASTIC BEFORE
SHEET METAL SCREWS
2" DEEP CLIP
SEAL WITH MASTIC
REFRIGERANT PIPINGWITH INSULATION
1. PAINT ALL EXPOSED SHEET METAL PARTS
FIBERGLASS
WITH WEATHER RESISITANT PAINT.
2"
CUT HOLE THRU ROOF
NOTE:
8" MIN.
1-5/8" UNISTRUT
"PIPE SHIELD" PIPE
SUPPORT & CLAMP
1/2" THRU BOLTS AT EACH END
COUNTERSINK HEADS
6"x 6"x 16 GA. PLATE
1/2" LOCKWASHER & DBL NUT
4" MIN.
1"
4"
HEIGHT AS REQUIRED TO ACIEVE
FLASHING AND WATER PROOFING
PRESSURE TREATED
WOOD SLEEPER
6x8 PRESS. TREATED
MIN. 6'-0" LONG
1/2" LAG SCREW W/
4" MIN.
PENETRATION
INTO SLEEPER
PROVIDE 2X FURRING AS
NECESSARY FOR LEVEL
INSTALLATION
SEE ARCHITECTURAL
DRAWINGS FOR
FLASHING DETAILS
SHEET METALFLASHING. SEE ARCHDWGS.
ROOFING, SEE ARCHDWGS
NOTE: PROVIDE CRICKET ON UP SLOPE SIDE WHEN SLEEPERSARE PERPENDICULAR TO ROOF SLOPE. SEE ARCH DWGS FORFLASHING AND WATERPROOFING DETAILS AND REQUIREMENTS
@ CONCRETE OVER METAL DECK:4-1/4"Ø EXPANSION ANCHOR (2" EMBED)@ BARE METAL DECK: 4-#12 SHEETMETAL SCREWS
NOTE:
1. FOR DRAIN CONNECTION, REFER TO PLUMBING DRAWINGS.
HOOK
FAN COIL UNITUNIT OUTLINE
MOUNTINGBRACKET
REAR VIEW
SIDE VIEW
MOUNTING BRACKET PROVIDEDBY UNIT MANUFACTURER
SUPPORT ANGLE IN UNITPROVIDED BYMANUFACTURER
SECURE MOUNTINGBRACKET TOFRAMING OR BACKBOARD
KNOCKOUT FOR LEFT SIDEREFRIGERANT, DRAIN, POWERAND SIGNAL LINES.
LOCKING NUTS, WASHERS, OR BEAM CLAMP
UNISTRUT OR STRUCTURAL MEMBER
SEISMIC LEASH
SECURE POWER CORD 60LB MINIMUM STEE HOOK WITH LATCH,BRIDAL RING, OR CARABINER
120V RECEPTACLE
NOTES:A. MAINTAIN A MINIMUM 12" CLEARANCE FROM THE INLET OF FAN.B. MAINTAIN AN UNOBSTRUCTED AIR-FLOW PATH TO THE FLOOR.C. DO NOT MOUNT DIRECTLY IN FRONT OF ANY HEAT VENTS OR
NEAR ANY HIGH HEAT SOURCE.
SWIVEL
AIR PEAR THERMAL EQUALIZER
NOTE:
8" HEIGHT CURB
2x BLOCKING/FRAMING
CURB.
BIRD SCREEN
ROOFING
CANT STRIP.
AIR RELIEF VENT HOOD6x6MM (1/4"x1/4")
MESH.
DUCT SIZE AS
COORDINATE SIZE AND LOCATION OF ROOF PENETRATION
AND CURB INSTALLATION WITH GENERAL CONTRACTOR.
SEE ROOF PLAN FOR LOCATION
MAX. 20X20ROOF OPENING
1-1/2"WOOD NAILER@ 8" X 4 PER SIDE(TYPICAL)
REFER TO ARCHDWG FOR FLASHING
COUNTER-SINK1/4" DIA LAG SCREWX 2 PER SIDE (TYPICAL)
M
MOTORIZED DAMPER
(4) 3/8" DIA COUNTERSUNKTHREADED RODS CONNECTINGCURB TO STEEL ANGLE (SHOWN IN10/S5.11 OR STEEL CHANNEL(SHOWN IN 11/S5.11). EXTENDCURBS AS NECESSARY TO REACHSTEEL MEMBERS BELOW. SHIM ATRODS & NUTS AS NECESSARY ATCHANNELS.
TOP VIEW SECTION
LONGITUDINAL BRACING
VERIFY ALL LIMITING DIMENSIONS5/16" FILLET WELD ALLAROUND AND BOTH SIDESTYP FOR TOP, MIDDLE ANDBOTTOM ANGLE
ATTACH DUCT TO ANGLEWITH (6) #10 GALVANIZEDS.M. SCREWS
SEE SECTION
(TYP)
LEVELING GROUT
DUCT
SEAL DUCT PENETRATIONS
PATCH CONCRETE TOPPING
AS REQUIRED PER ARCH.
STEEL PIPE (TYP)
2-1/2"Ø DIA GALVANIZED
1/4(TYP)
CROSS BREAK DUCT
TO SHED WATER
1/4(TYP)
WATERTIGHT WITH MASTIC
2-1/2"X2-1/2"X1/4"
GALVANIZED ANGLE (TYP)
SEALANT
ON ANY SUBSTITUTIONS OF DUCT SUPPORT.
CONTRACTOR SHALL SUBMIT SHOP DRAWING
COLD GALVANIZE ALL WELDED JOINTS.
GALVANIZED AFTER FABRICATION.
COMPLETE SUPPORT ASSEMBLY SHALL BE HOT
PENETRATION AND WHERE SHOWN ON DRAWINGS.
ALL OFFSETS, CHANGES IN DIRECTION, PRIOR TO ROOF
SUPPORT SPACING ON ROOF AT 6'-0" O.C. MAX, AT
2.
4.
3.1.
NOTES:
18"MINCLR
8"x 8"x 3/8" P
1/4
1 1/4"(TYP)
S.A.D FOR LWC FILLREQUIREMENTS 1/4
6"(TYP.)
4"X4"X3/8"GALVANIXEDPLATE (TYP.)
12"MAX
1/2"Ø
MACHINE
BOLT
1/4(TYP)
(TYP)1/4
LWC FILL
FOR ATTACHMENT
TO ROOF, SEE DETAIL
2-1/2"X2-1/2"X1/4"
DUCT WITH
6'-0" O.C. MAX
(4) 3/8"∅ EXP.ANCHORS & 2-1/2"MIN. EMBEDMENT
2-1/2"X2-1/2"X1/4" ANGLESUPPORT (TYPICAL)
SEE ARCH DET. FOR FLASHING REQUIREMENTS.5.
6. COORDINATE THE BOTTOM OF DUCT SUPPORT ATCROSSOVERS WITH HYDRONIC PIPING.