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University of Alaska Fairbanks
(in association with)
o n c e p t D e sig nC o n c e p t D e sig n
Pro je c t No . 2008144 WHNS
Aug ust 15, 2014
University Fire Station and
Student Firefighter Training Center
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TABLE
OF
CONTENTS
ACKNOWLEDGEMENTS 2
EXECUTIVE
SUMMARY
3
CONCEPTDESIGNNARRATIVES
CIVIL 46
LANDSCAPE 78
ARCHITECTURAL 914
STRUCTURAL 1517
MECHANICAL 1828
ELECTRICAL 2939
SUSTAINABILITY 4042
COSTESTIMATE
OPERATIONALSPACENEEDS
ASSESSMENT(PROGRAM)
DRAWINGS
C101SCHEMATICSITEPLAN
C102SITESECTION
L101LANDSCAPEPLAN
A101FIRSTFLOORPLAN
A102SECONDFLOORPLAN
A103THIRDFLOORPLAN
A104ROOFPLAN
A111FIRSTFLOORPHASING
A112SECONDFLOORPHASING
A113THIRDFLOORPHASING
A301EXTERIORELEVATIONS
A302EXTERIORELEVATIONS
A311BUILDINGSECTIONS
FIRSTFLOORGRAPHICPLAN
SECONDFLOORGRAPHICPLAN
THIRDFLOORGRAPHICPLAN
ROOFGRAPHICPLAN
PERSPECTIVESKETCH
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ACKNOWLEDGMENTS
Client
University
of
Alaska
FairbanksDivisionofDesignandConstruction
590UniversityAve,Suite200,Fairbanks,Alaska99709
C.MarcWohlford,P.E.,ProjectManager
ConsultantTeam Architects/PrimeConsultant/Landscape/Interiors
BettisworthNorthArchitectsandPlanners(ArchitectofRecord)
212FrontStreet,FairbanksAK99701
TracyVanairsdale,AIA,Principal
FrankBrown,ProjectManager
BrittanyJackson,Assoc.Architect
MarkKimerer,ASLA,PLA,CPSI(Landscape)
AbigaleKron,
ASID,
NCIDQ
TCAArchitecture Planning(ConsultingArchitects)
6211RooseveltWayNE,Seattle,WA98115
BrianHarris,AIA,Principal
MylesHuddart,ProjectManager
PDCInc.Engineers(Civil,Structural,Mechanical,&ElectricalEngineers)
1028AuroraDrive,FairbanksAK,99709
AnneErvice,PE,andNickFerree,EIT,CivilEngineers
PatrickReinhard,PE,StructuralEngineer
DannyRauchenstein,
PE,
Mechanical
Engineer
ChrisHodges,PE,andKyleTeegardin,EIT,ElectricalEngineers
HMSInc. CostEstimating
4103MinnesotaDrive,Anchorage,Alaska99503
EhsanMughal,PrincipalCostEstimator
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EXECUTIVESUMMARY
TheWhitakerHallReplacementFireStationconceptdesignincludestheconceptualrequirementsfora
newintegrated
facility
which
will
be
shared
between
the
Fire
Department,
Police
Department
and
the
CommunityandTechnicalCollege.Whileeachdepartmentisseparate,throughprogrammaticsynergies
andthesharingofspace,theyarealsolinkedtogetherwithinasinglebuildingtoprovidearichlearning
experience.Designed as a single phased facility, both capital and longterm operational savingswill
result.
Using the2013programmingworkasa springpoint, in Juneof2014adesign charrettewasheldon
campuswiththeprojectstakeholders.Duringthecharrette,theprogramwasreviewedandupdatedto
alignwithcurrentprogrammaticneeds.Workingandexploringopportunitiesasagroup,asitedesign
exercisewasheldtolookatthemajorrelationshipsbetweenprimaryprogrammaticelementsinvarious
configurations.Fromthiseffortapreferreddesignconceptemerged.
Sincethekickoffmeeting,thedevelopmentofconceptualsiteandbuildingplanshavebeenaniterativeprocess. The team investigatedmultiple concepts to identify themost effective arrangement of the
programmaticelements.Sharingof space, separationofoperationsand response, separationofdirty
andcleanareas,energyefficiency,sustainabilityandtheisolationofnoisewereonlyahandfulofissues
considered. Externally, campus presence,materiality, vehicle circulation, building access, public and
securedparking,aswellasenvironmentalconditionswereexplored. Oncethedesiredarrangementand
adjacencies of the building divisions were determined, the individual program elements were
incorporatedintotheselectedsite/buildinglayout. Usingtheoperationalspaceneedsassessmentasa
guide, floorplandiagramsweredevelopedtodetermineefficientcirculationpatterns,establishpublic
and private building zones, and maximize daylighting and ventilation opportunities. The resulting
conceptandassociatedphasingisakeyelementindeterminingtheprojectbudgetandmovingintothe
schematicdesign
phase.
Duetoseparate fundingstreams, theproject isbeingdesigned toallow for independentconstruction
phasingwiththegoalofmovingtheprojectforwardtogetherifbudgetaryalignmentcanoccur.Atthis
timethatpossibility isuncertain.Thetarget istohaveanoperational facilityapproximatelytwoyears
from the capital budget submittal. The projectwill be constructed using a design/bid/build delivery
process.
ENDOFEXECUTIVESUMMARY
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Concept Design Narrative
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CIVILDESIGNNARRATIVE
DesignParameters
Codesand
Standards
UAFDesignStandards(Division31,32and33)
2010UAFCampusMasterPlan
SiteDesign
FinishflooroftheproposedFireStationhasbeenproposedas460.5feet,approximately8feetabove
existingground.Thebuildinghasbeensetapproximately90feetbackfromTananaLoopRoadand
orientedparalleltothestreetinordertominimizesteepaccessgrades.Adedicatedparkingareawillbe
providedtotheeastofthebuilding,withfurtherparkingandturningareaforfireapparatustothesouth
ofthe
building.
Fire
apparatus
will
exit
the
building
to
the
north
directly
onto
Tanana
Loop
Road.
Headboltheateroutlets(HBOs)willbeprovidedforall13onsitefacilityparkingstalls.Sixtyeight
existingparkingspaceswillbeeliminated.
ParkingfacilitiesandpedestrianaccesswillbeprovidedadjacenttoFairbanksStreetontheeastendof
theproposedFireStation.Pedestrianaccesswillbetothesecondfloorofthebuildingviastairsandan
ADAramp.Elevenreservedparkingspacesareplannedintheeastlot.Theparkingspaceswillbe
reservedforADA(2),policedepartment(4),firedepartment(1),FacilitiesServices(2),20minutevisitor
parking(2).PedestrianaccesswillbeconnectedtoTananaLoopRoadviaa6footwidesidewalk.
FairbanksStreetwillberealignedandraisedapproximately2feettoprovidesufficientspaceforthe
parkinglot.TherealignedFairbanksStreetwillbecapableofhandlingWB62trucks.
AccesstothedrivethroughfireapparatusbaysandCTCapparatustrainingbaysonthesouthsideofthe
proposedfirestationwillbeprovidedviaa24footwideaccessdrivewestofthebuildingfromTanana
LoopRoad.Theaccessdriveandsouthernparking/turningareawillbeelevatedanaverageof8feet
aboveexistingground,similartofinishfloor.Adequatespacehasbeenprovidedinthesouthern
parking/turningareaforfiretruckstoturnaroundinordertoaccessallapparatusbays.Anoutside
turningradiusof50feetwithaninsideradiusof35feetwasusedasaconservativeestimateofturning
radiiafteranalysiswithAutoTurn.Theareaisgradedatapproximately2%todrainawayfromthe
proposedbuilding.Afencedimpoundareawithroomforsix(6)vehiclesandseveralconnexeswillbe
providedonthesouthendoftheparking/turningarea.
The
CTC
apparatus
training
bay
and
simulation
areas
are
located
to
the
south
side
of
the
building
with
associatedexteriordrillareas.Thesimulationbuildingcanadditionallybeaccessedfromtheeastatits
secondleveldirectlyfromFairbanksStreettoprovideforhighlydiversetrainingevolutions.
Adrivethroughwillbeinstalledbetweentheexistingparkinglotstothewestofthefacility.Thiswill
compensateforthereducedaccesstoRoadTananaLoopbyallowingvehiclestocirculatethroughthe
parkinglots.Generalparkingforusersofthefacilitywillbeavailableintheseparkinglots.ExistingHBOs
willbeprotectedforaffectedparkingspaces.
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OutgoingfireapparatuswillaccessTananaLoopRoadviaapavedaprononthenorthsideofthe
proposedbuilding.Theapparatusbaysarelocatedatthenorthwestareaofthebuildingtoavoid
conflictswithadjacentintersectionsalongTananaLoop.Policevehiclesaccessthesallyportfromthe
eastsideoftheapron.Anadditionaltwo(2)dedicatedpolicedepartmentparkingspaceswillbelocated
onthe
north
side
of
the
building
with
access
to
the
paved
apron.
Tanana
Loop
Road
has
agrade
of
4%
in
thisarea,whichwillcreateacrossslopeof4%asvehiclesentertheroadway.Thisisthemaximum
allowablecrossslopeasoutlinedinSection32.05.001.02.B.4oftheUAFDesignStandards.Theapron
willdraintoastormdraininlettothewest.
GeotechnicalDesign
Geotechnicalrecommendationshaveyettobeprovidedforstructuralsectionsundersidewalksand
pavedareas.Thefollowingsectionshavebeenestimatedbasedonrecentprojectsinthearea.
Sidewalksshallreceive6inchesofconcreteover18inchesofnonfrostsusceptible(NFS)
structuralfill.
Paved
areas
shall
receive
2inches
of
asphalt
over
6inches
of
aggregate
base
course
and
18inchesofNFSstructuralfill.
Shannon&Wilson(S&W)completedapreliminarysubsurfacesiteexplorationin2008.Thisexploration
includedthedrillingandanalysisofoneboreholeinthevicinityoftheproposedbuilding.Theboring
encounteredfrozenground(loosesiltinthiscase)atadepthofbetween9.5feetto17feetwitha
mixtureofgravelandloosesiltfillabove.TheS&Wreportdefinessettlementandconsolidation,frost
heave,andsoilliquefactionasthemajorconcerns.S&Wsrecommendationasoutlinedintheirreport
istooverexcavate25feetandbackfillwithNFSmaterialpriortoconstructionofthebuilding.Another
foundationoptionwouldbetheuseofadeeppilefoundation,bearingintheweatheredbedrock.
FinishflooroftheproposedFireStationwillbeapproximately8feetaboveexistinggroundtoallowfor
gravityfeed
sewer
service
and
acceptable
grades
for
fire
truck
access
out
of
the
north
side
of
the
buildingontoTananaLoop.Thefoundationdesignhassubsequentlybeenrevisedbasedonrecent
discussionwithS&W.Thebuildingsitewillbeoverexcavatedtoadepthof10feetbelowexisting
groundpriortotheplacementandcompactionofNFSfilltofinishgrade.Priortoconstructionofthe
buildingfoundation,theNFSmaterialforconstructingtheparkinglotwillbepreloadedontothe
buildingsiteforaperiodofseveralmonthstoconsolidateunderlyingsoils.Wickingdrainswillbe
imbeddedintonativesoilsunderthebuildingsitetospeedtheconsolidationprocess.Thistechnique
wasusedwithgreatsuccessduringconstructionofThompsonDrive. Thesearepreliminary
recommendations;moreinvestigationwillberequiredbeforebetterrecommendationscanbeprovided.
Utilities
1. SanitarySewer.TheexistingsanitarysewermainrunsparalleltoTananaLoopapproximately
300feetnorthoftheproposedFireStation.Thesewermainisa14inchwoodstavepipethat
hasrecentlybeenlined.A6inDuctileIronPipe(DIP)isplannedforthesanitarysewerservice
with2inchesofinsulationandwillgravityfeedfromtheproposedFireStationtomanhole
(MH)L11ata1%slope.Theservicelineinvertwillmatchthesewermaincrownatthetiein.
TheservicewillrununderTananaLoopaswellasapproximately150feetofexistingparkinglot
northofTananaLoop.Acleanoutwillbeinstalledintheservice5feetfromthefaceofthe
proposedbuilding.AnadditionalcleanoutwillbeinstalledapproximatelyhalfwaytoMHL11to
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allowformaintenanceofthelongserviceline.Theservicelinewillrunoverthetopofthe
existingutilidor(withapproximately3ftofverticalclearance)locatedbetweenTananaLoopand
theproposedFireStation.
2. StormSewer.Anexistingstormdrainsystemrunsthroughthesitetothewestoftheproposed
FireStation,withanoutletlocatedinthemiddleoftheproposedparkingareatothesoutheast
oftheproposedFireStation.A48inchdiameterstormdrainmanholewillbeaddedatthe
outletandtheoutletextended170feettothesouthwith24inchcorrugatedmetalpipe(CMP).
Two48inchdiameterstormdrainmanholeswillbeaddedalongthenorthsideoftheproposed
FireStationinordertoaccommodatenewdrainagepatterns.Thesemanholeswilllinktothe
existingstormdrainsystemtothewestoftheproposedbuildingvia200feetof18inchCMP
stormdrainpiping.
Swales,culverts,curbandgutterwillberequiredtoroutestormwaterintoanexistingdrainage
swalethatrunsparalleltoTananaLooptothesouthofthesite. Stormwaterrunofffromthe
southern
parking/turning
area
will
surface
flow
into
existing
vegetated
areas
to
the
south
of
the
buildingsite.
3. Utilidor.ArecentlyconstructedutilidorrunsparalleltoTananaDriveapproximately30feet
northoftheproposedFireStation.A30footx6footx8foot(insidedimensions)utilidor
servicewillbeconstructedtolinkthemechanicalroomwiththeutilidor.A13footx32footx
8footutilidorblisterwillbeaddedatthetieintotheexistingutilidorinordertoaccommodate
utilitytieinsthatrunalongthenorthsideoftheexistingutilidor.
4. FireHydrants.Twofirehydrantswillbeinstalledonthenorthsideofthebuildingtoservethe
fireflowneedsofthefacility.Onehydrantwillbeinstalleddirectlyoutoftheutilidortothewest
ofthefacilityadjacenttotheaccessdrive.Theotherwillbeinstalledapproximately50feetfrom
the
utilidor
adjacent
to
Fairbanks
Street
behind
the
sidewalk.
This
hydrant
will
be
served
by
a
6indiameterdirectburyDIPwith3inchesofinsulation.Acirculationloopwillfacilitate
circulationofthelineforfreezeprotection.Finalfirehydrantplacementwillbesubjectto
approvalbytheUAFfirechief.
ENDOFCIVILCONCEPTDESIGNNARRATIVE
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LANDSCAPEDESIGNNARRATIVE
ExistingLandscapeConditions
Theprojectsiteiscomprisedlargelyofunpavedparkingwithgrasscoveredslopesonitsnorth
andeastboundaries. Directlyeastoftheprojectsitestandsamaturegroupofnative
coniferousanddeciduoustreesandassociatedunderstoryplants.Tothesouthisopenlawn/
meadowandtothewestispavedparking.
LandscapeDesignParameters
Thelandscapedesignforthefacilitywillprovidealandscapeinaccordancewiththe2010
CampusMasterPlan(CMP)andthe2004CampusLandscapePlan(CLP). TheCMPandCLP
requirethatthefollowingdesignprinciplesbefollowedforlandscapesontheUAFcampus:
Restorefeatures
of
the
indigenous
natural
environment
and
integrate
ornamental
species.
Organizethelandscapeinapurposefulmannerthatconveysthehistory,location,cultureand
educationalmissionoftheuniversity.
Optimizeseasonalandtemporalbeautyofthesubarcticenvironment.
Ensurethehealth,safetyandwellbeingofcampususers.
Createacampusgreenwaythatconnectsthecampusfromeasttowestthroughaseriesof
formal,interpretiveandundevelopedlandscapes.
PertheCLPsguidanceonlandscapeforbuildings,thelandscapedesignwill:
Highlightprimarybuildingentranceswithornamentalplants.
Useplant
material
that
complements
the
building
architecture
and
tie
the
project
to
the
larger
campuscontext.
Thelandscapedesignwillcoordinatewithroofdrainstocollectrunoff.
Thelandscapewillcoordinatewithsnowclearingandsnowstorageinordertoprevent
obstructionofthesefunctions.
LandscapeplantingswillbeutilizedtoscreenparkingeastofthemainentryfromTananaLoop
andpedestriancirculationpaths.
Planting&PlantSpeciesSelection
Plantingswill
be
designed
in
accordance
with
the
CLPs
guidance
to
include:
Useofcolor,texture,andformofplantsinthecompositionoflandscapespaces.
MeetUAFDesignStandards(Section02900)intheplacementofplantmaterialsinrelationto
buildingsandutilities.
Makingplantingareasaminimumof5feetby8feetforflower,groundcover,andshrubbeds.
Minimumareafortreeplantingis10feetby10feet.
Plantingoftrees,shrubs,andgroundcoverinmasseswithinplantingareaswherepossible.
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Provide40squarefeetofwater andairpermeablelandscapeareaatthebaseofeachtree,
withinthedripzone,usingeitheratreegrate(inhighlyusedpedestrianareas)orgroundcover
orshrubsandmulch(inlowuseareas).
Willnotinstalllawnonslopesgreaterthan3:1.
Willuselowmaintenancegrassesonslopessteeperthan3:1.
Willnotusenonnativeplantsthathavebeenidentifiedasnoxiousandinvasive.
PlantspecieswillbeselectedfromtheCampusLandscapePlantPaletteforgrassymeadows
andhillsides.
SiteFurnishingsandotherHardscapeFeaturesintheLandscape
Sitefurnishingswillinclude:
(2)30flagpolesareprovidedalongthemainentrywalk.
(1)Bike
rack
for
(7)
bikes.
Ascreenwallorfencewillbeprovidedaroundelectricaltransformerslocatednortheastofthe
mainentry.Ascreeningstructuremayalsobeincludedaroundthegeneratorif
Iffoundtobedesiredasapartofthedesignprocess,abenchforseatingandalitterreceptacle
areincludednearthemainbuildingentry.
CodesandStandardstobeused
2010UAFCampusMasterPlan
UAFCampusLandscapePlan(CLP)datedJune4,2004
UAF
Design
Standards
(Section
02900)
ANSIZ60.1AmericanStandardforNurseryStock
ENDOFLANDSCAPECONCEPTDESIGNNARRATIVE
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ARCHITECTURALDESIGHNARRATIVE
DesignParameters
CodeInformation
InternationalBuildingCode(IBC),2012Edition
AlaskaFireandLifeSafetyRegulations,13AAC50,(November16,2012)
ANSIStandardA117.1,AccessibleandUsableBuildingsandFacilities,(ICCA117.12009)
Occupancy: DesignedasGroupBbutalsocontainingGroupsS2andR3. Nonseparated
occupanciesbasedonthemostrestrictiveallowablebuildingareaandheightallowancesforthe
occupancygroups. Occupanciesnotrequiredtobeseparatedwiththeexceptionof1hr
constructionforgroupR3.
Allowableheightis3storiesand60feet.
Minimum
Type
of
Construction:
VB.
Buildings
structural
elements,
exterior
walls
and
interior
wallscanbeconstructedofanymaterialspermittedbycode.
AutomaticSprinklerProtection: BuildingfullysprinkleredbySection903.3.1.1
FireResistanceRatingforstructuralframe,bearingwallsexteriorandinterior,nonbearingwalls
andfloorandroofpertable601=0hr/nonrated.
Specialrequirementsbasedonuse:
o Elevatorshaft1hrconstruction
o Exitstairs1hrconstruction
o Sleepingunitsseparatedby1hrconstruction
o CorridorinR3occupancy1hrconstruction
Buildingfullyaccessiblepercode.
ExistingSite
Theprojectedsiteforthis66,830S.F.facilityislocatedapproximatelywheretheabandonedFairbanks
StreetConnectorislocated.Thetopographyofthesiteslopestothesouthwestata23%grade,except
forarathersteepslopeuptotheeastwheretheFairbanksStreetgradingisstilllocated,andalongthe
NorthernpropertylineasitapproachesTananaLoop.Thetotalelevationchangefromwesttoeastis+/
12'0".FromSouthtonorthitis+/ 9'0".GradingforthesiteiscontrolledbytheelevationofTanana
Loopwherethenewapparatusbayapronanddrivewaysarelocated.TheTananaLoopembankment
variesfrom4to10feethigherthantheinteriorareawherethemajorityoftheESTFislocated.
ArchitecturalDesign
Thesitetopographyprovidesforamultilevelbuilding,whileallowingthenecessaryongradeentrances
atthefirestation,policestationandCTC.Thebuildingwillbeorganizedonthreeprimaryfloors.Given
thesiteterrain;thefacilitywillbetwostorieshighatFairbanksStreet,threestorieshightothewestof
FairbanksStreetas thegradedrops, two storieshighat theapparatusbaywithone storyof support
spaceflankingthebaystothewest.Programmedareaswillnotberequiredtobestackedoverthelong
spanapparatusbays.Acentralstairwellandelevatorconnectthemutlilevelsofthebuilding.
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ThebuildingsprimarypublicentryisorientedtowardTananaLoopandmaintainsapublicconnectionto
the campus core to the northeastof the site. Adjacentparking for visitors relates to thenortheast
corner and provides line of sight for traffic, both pedestrian and vehicle, traveling on Tanana Loop.
Additional police parking impound and evidence storage is provided at the rear, or south, of the
building.
ProjectPhasing
Theprojectwillbeconstructed inphasesbasedonavailable fundingsources.Currently,three
(3)phaseshavebeenidentified.
Phase1Fire station includingmech/elec/fan spaceandverticalcirculation from the
main entry, two classrooms, shell space for Police Station, Dispatch and CTC, site
development
Phase2Policestationanddispatchshellspacetobebuiltout
Phase3CTCclassrooms,facultyoffices,simulationbuildingandtrainingbaytobebuilt
out.
MaterialsandBuildingFinishes
1. BuildingEnvelope
a. ExteriorWalls
Theexteriorwallsystemiscomposedofthefollowingelements(coordinatedandin
compliancewith
UAF
standards
and
guidelines):
Theexteriorwallsurfacewillbenoncombustible,insulatedmetalpanelswithminimumthermal
resistanceofaminimumof50,meetingorexceedingASHRA90.1by30%.
Themetal panelswill be attached tometal stud framing supported by steel
framing.
Acontinuous layerof1 inch rigid insulationwillbeat the interior sideof the
insulatedmetalpanelsandprovidesathermalbreakandadditionalinsulationof
R=4.
An8milvaporretarderwillbelocatedattheinteriorsideoftherigidinsulation
and
on
the
exterior
side
of
the
8
inch
metal
stud
wall
framing.
Joints
will
be
sealed.
The 8 inch coldrolled metal studs will be framed from foundation to roof
parapetandprovidelateralsupportfortheexteriormetalpanels. Thestudsare
attachedwith vertical slide clips to theedgeof the floor system to allow for
deflection.
5/8 inchgypsumwallboardandappliedfinisheswillbe installedatthe interior
faceofthestud.
Verifyifaweather/airbarrieristobeincluded.
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Theexteriorwallsystem isdesigned toprovideatotalthermaltransmittanceofa
minimumof50,meetingorexceedingASHRA90.1by30%..Thiswallsystemwill
alsoprovideanexcellentvaporretarderassembly. By locatingthevapor retarder
onthe
exterior
side
of
the
metal
studs,
penetrations
of
the
vapor
retarder
are
greatly reduced. Electrical and mechanical systems can be routed through the
metal stud cavitieswithoutjeopardizing the vapor retarder. The integrityof the
vapor retarder is especially critical in humidified buildings. Future interior
renovationscanbeconstructedwithoutdisruptionofthethermalenvelopeorvapor
retarder.
The exterior side of the foundation wall has a 2 inch layer of rigid insulation
continuous from topof footing to topofwall. Anadditional layerof2 inch rigid
insulationwillbe installedatallareasofthe foundationwallthatareabovegrade
fromthetopofthewallto4feetbelowgrade. Theareasofthewallabovegrade
willbeprotectedwithheavygaugemetal flashing. The foundationwallwillhave
bituminousmembrane
waterproofing.
b. Roof
Theroofingsystemiscomposedofthefollowingelements:
Roofingwillbesingleply fullyadheredEPDM roofingmembraneoverawood
fiberrecoveryboard. Therecoveryboardwillbemechanicallyattached.
EPSrigidinsulation,withaminimumaveragethermalresistanceofR=60,willbe
installedbelow
the
recovery
board
and
above
alayer
of
gypsum
sheathing.
A bituminousmembrane vapor retarder will be installed below the gypsum
boardandabovetheroofdeck.
Theroofisconstructedof11/2inchmetaldeckingsupportedbysteeljoistsand
steelbeamgirders.
Thestructureoftheroofingsystem isdesignedtoprovideaminimumslopeof
1/4 inchper foot fordrainage. Waterwillbecollectedby internal roofdrains
and discharged safely away from the building. Overflow roof drains and
overflowdischargescupperswillbeheattraced.
c. Windows
Exteriorwindowswillbe:
Fixed,thermallybrokenaluminumwindowswithtriplepaneglazing.
Aluminum frames with triple pane glazing and thermal breaks at exterior
windows atmainbuilding administrationentrance and southern ground floor
entry.
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d. Doors
Exteriordoorswillbe:
Glazed,aluminuminaluminumframesatmainbuildingandplazaentrances.
Insulated extraheavyduty, seamlesshollowmetal in thermallybrokenmetal
framesatstairegressdoorsandthereceivingareaentrancedoor.
Insulated sectionaloverheaddooron3 inch trackwithelectricoperatorwith
drawbarandwormgearreductionattheapparatusarea(Fourfolddoorstobe
pricedasanaddalternate),CTCbayanddirtyclassroomsexteriorwallandwall
adjacenttotheCTCbay.
Exterior doors at main building entrances will receive electronic locks and card
accessterminals.
2. BuildingInterior
a. Walls
Walls will be typical light gauge coldrolledmetal stud frame construction, with
gypsum wallboard and applied paint. High impact gypsum wallboard will be
providedincommonhallways,allstoragerooms,apparatussupportareas,andupto
80intheapparatusbays.
Toiletandshowerroomswill receivea4 ft.highglazedceramic tilewainscot.
Showerstalls
will
have
glazed
ceramic
tile
from
floor
to
ceiling.
Corridorwallswillreceiveradiusescornerguards.
Storage room and decon/clean roomwill be facedwith a plastic rigid sheet
panel
(InProorequal)wallpanelto80inheight.
Apparatusbayswillhaveplasticrigidsheetpanelsto80 inheight.(Masonry
alternate)
CTCbayandsimulationbuildingwillbeconstructedoffullygroutedandsealed
groundfaceconcretemasonryunits.
Soundwalls (soundbatts)willbe incorporatedatoffices, toilet/shower rooms
andbetweeneachsleepingroomandmechanicalareas.
Fire
walls
and
fire
barriers
will
be
constructed
of
light
gauge
cold
rolled
metal
stud frame construction with gypsum wallboard and/or gypsum panels to
achievetherequiredfirerating. Thefirewallwillbeconstructedinsuchwayto
allow collapse of construction on either sidewithout causing collapse of the
firewall.
Basementwalls in finished spaceswill be concrete, furredwith 4 inchmetal
studs, 8mil vapor retarder, and 5/8 inch of gypsumwallboard with applied
finishes.
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Holdingareaswillbeconstructedofsolinggroutedandreinforcedgroundfaced
concretemasonryunitstobesealed.
Breachpropinfillforthesimulationbuildingtobewoodframing160.c.with
plywoodeachside
Elevatorshaft
in
simulation
building
to
be
fully
grouted
and
sealed
ground
face
concretemasonryunitswithelevatordoorsatthreelevels.
Provideprecastconcrete stairwithgalvanizedmetal railingsat the simulation
building(seeplans).
b. Floors
The floor system is composed of 2 inches of concrete on 2 inch metal decking
supportedbysteelbeamsandgirders. Thebeamswillbedesignedtobecomposite
withtheconcretefilltocreateastifffloorsystem.
Floorfinishes:
Administrationofficeareas,hallways,dispatchareawillhavecarpettileflooring.
Classroomswillhavepolishedconcreteflooring.
Crewanddormitoryspaceswillhavepolishedconcreteflooring.
Toiletandshowerroomswillhaveporcelainmosaictile.
Apparatusbaysandsupportareaswillhaveslipresistantpolishedconcrete.
Janitorandmechanicalareaswillbeexposedsealedconcrete.
Stairtreadsandriserswillbeprecastconcrete.
Vestibuleswillhavewalkoffmatflooring.
Exerciseroom
will
have
recycled
rubber
resilient
athletic
flooring,
similar
to
MondoSportimpactflooring.
Groundfloorpoliceareaswillhavepolishedconcreteflooring.
Allfinishedroomswillreceiveresilientbaseexceptroomswithceramictilefloorwill
receiveceramictilebase.
b. Ceilings
Finishedceilings:
Corridors,offices, conference rooms, and training roomswillhave suspended
acousticalceilings.
Vestibules, toilet rooms, apparatus bay support spaces will have painted
gypsumwallboardceilings.
Apparatus bays, dirty classroom, CTC bays and mechanical areas will have
paintedexposedstructure.
d. Doors
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Interiordoorsandframes:
Administrationareasandsleepingrooms: Interiorpublicroomswillhavesolid
core,hardwoodveneerdoorsinhollowmetalframes.
Thosedoors
entering
into
and
associated
with
the
apparatus
bays,
CTC
bay,
CTC
simulation building and its support areas will have hollow metal doors and
frames.
Hollow metal doors in hollow metal frames will be provided at mechanical
rooms.
Heavy duty steel rolling doors between the training apparatus bay and
simulationbuilding
e. Casework
Caseworkwillbe:
Commercialgrade,
plywood
with
dovetail
joints
on
drawers.
Flushoverlaytypewithconcealedhinges.
Laminatefacedwitha3mmedgebanding.
Countertopsinkitchenareasanddecon/cleanroomwillbestainlesssteel.
ENDOFARCHITECTURALCONCEPTDESIGNNARRATIVE
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STRUCTURALDESIGNNARRATIVE
DesignParameters
Codesand
Standards
InternationalBuildingCode(IBC),2012Edition
AmericanSocietyofCivilEngineers(ASCE)710,MinimumDesignLoadsforBuildingsandOther
Structures
AmericanInstituteofSteelConstruction(AISC)36010,SpecificationforStructuralSteelBuildings
AmericanInstituteofSteelConstruction(AISC)34110,SeismicProvisionsforStructuralSteel
Buildings
AmericanConcreteInstitute(ACI)31811,BuildingCodeRequirementsforStructuralConcrete
BuildingStructuralDesign
Thenew
building
will
be
constructed
using
structural
steel
framing
supported
by
aconcrete
foundation
system. The gravityloadcarrying elements will be designed to resist applicable load combinations
involvingbuildingdeadloadsandliveloads,alongwithsnowloadsandwillconsistoflongspansteelbar
joistsfortheroofoverthefirestationapparatusbaysandopenwebsteelbarjoistsspanningbetween
interiorsteelbeamsforroofandfloorareasthroughouttheremainderofthebuilding.Alimitednumber
of interior columns supporting beam lineswill be located to avoid conflicts with important facility
functions. Coldformedmetal deck will be sized to span between steel barjoists to form the roof
diaphragm for resisting both gravity and lateral loads. The lower roofs of the apparatus bay and
simulationbuildingareawillbesizedtoresistcodeprescribedsnowdriftloadingalongwithliveloading
asapplicablewhere trainingexercisesareanticipated.Theconstructionof the secondand third floor
levelswillutilizeacompositedeck,consistingofpreformedgaugemetaldeckandconcreteconnected
tothe
open
web
steel
joists
and
structural
steel
support
beams
with
steel
shear
studs
welded
to
the
topsofthejoistsandbeamsandcastintotheconcretedeck.Thiscompositeframinganddeckwillallow
formoreefficientjoistandbeamsectionstobeusedaswellashelpreducefloorvibration.Therewillbe
no interior columnswithin the apparatusbays. The second levelwest of apparatus bays supporting
mechanical equipment and additional storage will be framed with steel beams spanning between
supportcolumnswithcompositeconcreteandmetaldecktosupportcalculatedloadsattheselocations.
Thelateralforceresistingsystemwillbedesignedtoresistthewindandseismicloadscalculatedforthis
specificbuildingsite.Itwillconsistofsteelbracedframesatselectedlocationsthroughoutthebuilding
in combination with shear walls and possibly moment resisting frames as required. The bracing
configurationwill be configured to avoid conflict in circulation routes and detailed to be concealed
withinwallcavitieswherepossible.Theconcreteretainingwallalongtheeastsideofthebuildingwill
doubleas
ashear
wall
to
resist
lateral
forces.
The
masonry
partition
walls
in
the
simulation
bay
and
buildingareaswillalsobedesignedtoresistlateralloadsalongtheplaneofthewallandtransferthese
loads into the foundation system below. The braced frameswill be stacked above one another for
maximumefficiencywherepossible.Thebraceconnectionswillbedetailedtoensurethatthestructure
exhibitsductileperformanceduringanearthquakesonosuddenbrittlefailureoccurs.Thelayoutofthe
braces in thestructure isdictatedby theultimateconfigurationofthearchitectural floorplan.Braces
willbelocatedtomaximizeefficiencyyetstillworkfunctionallywithinthebuildinglayout.
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FoundationDesign
Theproposed site for thenewEmergencyServicesFacility is locatedon the southwest cornerof the
TananaLoopandtheabandonedFairbanksStreetConnector.Thesite isrelatively flatbutwillrequire
substantialfilltoelevatetheApparatusbayswherefiretrucksarestoredtoallowforvehicularaccesson
toTananaLoopRoad.Asdescribed in the civilnarrative, this constitutesabuildupofapproximately
8feet above existing grade level over this site. The building is to push up against the embankment
adjacenttotheFairbanksStreetConnectortothewest.Geotechnicaldataregardingthesiteislimited,
butpreliminaryinformationindicatesthattheloosesandsandgravelwithsiltswouldbeproblematicfor
the stability of this structure given the possibility of liquefaction during a large seismic event. The
Emergency Services Facilitywillhouseboth theUniversitys firefighting and campuspolice functions
withcriticaldispatchingservices foremergencyresponders.Thereforethisbuildingwillbeconsidered
anessential facilityandmust remain fullyoperableduringandafteranycatastrophiceventsuchasa
majorearthquake.Ourgeotechnicalconsultanthasrecommendedsomeformofground improvement
toconsolidatetheloosesubsurfacesoils.Itislikelythatsomeamountofexcavation,say10feetbelow
existinggrade level,alongwithcompactionofNFSgranular fill toapproximately8feetaboveexisting
gradelevel
would
be
recommended
for
the
building
site.
To
further
provide
for
additional
consolidation
of subsurface soils, verticalwick drainsmay be utilized over the building site in combination with
preloadingof thebuildingsiteusingadditional fillmaterialstackedoverthepreparedbuildingpad to
squeezewaterfrominterstitialporespacesanddensifytheunderlyingstratumofloosesoil.Additional
geotechnical investigationwillbe required toverify theseassumptions forpreparing the siteprior to
commencingwithanyfoundationwork.
Itisanticipatedthatsomeformofgroundimprovementstrategywillprovesuccessfulallowingtheuse
of traditional castinplace reinforced concrete footings to support the anticipated loads for this
structureandremainwithinthespecifiedallowablebearingpressurerecommendedbythegeotechnical
engineerof record.The structural steel columns are tobe supportedonpedestalsoverlying isolated
spreadfootingswithan8inchwidex3footdeepperimeterstemwallrunningbetweenpedestalstotie
foundationelementstogetherandassistinresistinglateralloads.Theeastsideofthebuildingwillutilize
acastinplacereinforcedconcreteretainingwalloveracontinuousstripfootingtoresist lateralearth
loadsfromthefillmaterialanticipatedtobeapproximately8feetabovethefinishedflooratthelower
grade level.The retainingwallwillextendup to the second floor level some12feetabove thegrade
levelfloorslab.Theconcretewallwillextendthelengthoftheeastsidewallandwraparoundthenorth
andsouthendsofthebuildingapproximately61feet.Structuralsteelcolumnsalongtheeastwallwill
bearonconcretepilastersformedintotheretainingwall.MasonryCMUpartitionwallsarescheduledto
separate thesimulationapparatusbayandbuilding from theclassroomandstorageareasdue to the
durability of thismaterial and typesof training activities anticipated to takeplace in these areas.A
4inch reinforced slab on gradewill be cast throughout the grade level floor, except that the slab
thicknesswillbe increased to6incheswith appropriate reinforcing steelat thoseareas subjected to
vehiculartraffic.
Trench
drains
with
sand
traps
along
with
collection
sumps
will
be
designed
and
detailed
toinsurewaterflowstothedrainsleavingfloorsurfacesdry.
Theutilities for thisbuildingarescheduled tocome fromanexistingutilidorpassingjustnorthofthe
building site.Ablister addition to thisutilidorwillbe added to allowpiping and conduit, alongwith
maintenancepersonnel,toenterasmallutilidorspur,withinsidedimensionsof60widex80high,
whichwillextend30feettothesouthfromthemainutilidorandenterintothemechanicalroomwhich
issituatedonthenorthwestcornerofthebuilding.Theutilidorandmechanicalroomconstructionwill
beofcastinplacereinforcedconcretetoresistearthloadsalongwithanysurchargeloadsfromvehicles
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or equipment. The roof andwallswillbe insulated and coveredwith awaterproofingmembrane to
protecttheseburiedstructuresagainstcoldandmoistureinfiltration.
ENDOFSTRUCTURALCONCEPTDESIGNNARRATIVE
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MECHANICALDESIGNNARRATIVE
ApplicableCodesandStandards
UAFDesignStandards
ASHRAEHandbooksandStandards
ApplicableNFPAStandards
ICC/ANSIA117.103AccessibleandUsableBuildingsandFacilities
ANSIZ358.11998
SMACNAStandards
2012UniformPlumbingCode
2012InternationalMechanicalCode
2012InternationalBuildingCode
2012InternationalFireCode2006InternationalFuelGasCode
StateofAlaska,OccupationalSafetyandHealthStandards
DesignCriteriaandRequirements
Location: 64*49'NLat,147*52'WLong.
Elevation: 436ft.
99%WinterDesignTemp: 50*F.DB
1%SummerDesignTemp: 87*FDB,72*FWB
IndoorDesignTemp: 68*F2*FWinter,72*F2*FSummer
IndoorRelativeHumidity: 35%5%RHWinter(asallowable)
50%5%RHSummer
HeatingDegreeDays: 14498HDDFahrenheit
DesignVentilationRates
OfficeandTeaching 68 (AC/Hr)
GarageSpaces 1.5CFM/FT2
ToiletRooms 10 AC/Hr
CorridorsandPublicSpaces 410 AC/Hr
Theseventilationratesareengineeringguidelinessubjecttothespecificrequirementsofaspace,such
ascoolingload,exhaustloadandnumberofoccupants.
Design
Ventilation
Noise
Criteria
(NC)
Offices,General NC35
ConferenceRooms NC35
GarageSpaces,General NC45
TeachingAreas NC40
CommonAreas NC40
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Utilities
ThefacilitywillbeconnectedtotheUniversityutilidorsystem,whichwillprovidedistrictchilledwater,
steam,condensatereturn,waterfordomesticuse,waterforfireprotectionandapparatusfill,and
compressedair.
Low
temperature
waste
heat
from
the
power
plant
could
also
be
extended
to
the
facilitytoprovidethebuildingwithlowcostheat. DistrictDeionizedwaterwillalsobebroughtintothe
mechanicalroomtoprovidemakeupwatertotheglycolmakeupsystems. Sanitarysewerandstorm
waterwillbebroughttothebuildingdirectburiedconnectingtotheUniversityinfrastructure.
PlumbingDesign
Watersystemwillbeprovidedwithawatermeterwithbypassandpressurereducingstation.
AlldomesticwaterpipingwillbeTypeLcoppertubingconformingtoASTMB88withANSI16.22fittings.
The design team will also discuss alternate materials including CPVC, PEX, and Polypropylene
(Aquatherm),butwilldependonUAF approval. All coldwater,hotwater andhotwater circulation
waterpiping
will
be
insulated
to
prevent
condensation
and
heat
loss.
Valveswillbe fullportbronzeballwith aminimumpressure ratingof 150lb. class.Branch isolation
valveswillbeprovided formaintenanceand repair. All fixturesandwater supplyequipmentwillbe
providedwithisolationvalvesatthefixtureorequipment.
BelowslabwasteandstormwaterpipingwillbeserviceweightCISPI301cast ironnohubpipingwith
hubless joints, neoprene gaskets and 4 band stainless steel clamping bands. Piping underground
exterior to thebuildingwillbe serviceweightCISPI301cast ironnohubwithhublessjointsandMG
couplings. Abovegroundwasteandstormwaterpipingwillbecastironwithnohubfittings,neoprene
gaskets,and4band stainlesssteelclampingbands. Ventpipingwillbecast ironwithnohub fittings
withneoprene
gaskets
and
2band
stainless
steel
clamping
bands.
Vent
piping
will
terminate
24
inches
abovetheroofsurface.
PlumbingFixtures
Fixtureswill utilize low flow rates to conserve domestic coldwater and hotwaterwhere possible.
Plumbing fixtures and their installation shall conform to the Americanswith Disabilities Act access
requirements.
GeneralUsePlumbingFixtures:
HoseBibs:Outsidehosebibswillbe freezeproofwith integralvacuumbreakerand insidewill
be
standard
single
faucet
with
3/4
inch
hose
connection
and
vacuum
breaker.
Interior
hose
bibs
ingarageareaswillbelocatedawayfromoverheaddoorsandotherpotentialfreezinglocations.
ShopUtilitySinks: Wallmountedenameledcast ironwith3inchfloormountedtrapstandard,
drilled throughback splash for8inch center faucet. Faucetwillbeheavydutywithvacuum
breakerandthreadedhoseconnection.
Lavatory/Faucets: Wallhung,vitreous china, concealedarm supports, faucetholeson4inch
centerswith singlehandle faucetwithpopupdrain. Faucets inpublicareaswillbe0.5gpm.
Provide offset drain and ADA insulation. Point of use ASSE 1070 tempering valves will be
providedinaccordancewiththeUPC.
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WaterCloset: Wallmounted vitreous chinawater closetwithelongated siphon actionbowl,
openfrontseat,exposed1.28gpfinfraredflushvalve.
Urinal: Wallmountedvitreouschinawithelongated rim,exposedonepintper flush infrared
flushvalves.
Shower:Showers
will
be
modular
stalls
with
pressure
balanced
anti
scald
shower
valves
with
highlimitstops,2.0gpmshowerheadwith6ftflexiblehose.
CounterSink: Countermountedsinglecompartment18gaugestainlesssteelsink. Faucettobe
2.0gpm,singlehandle,swingspout.
Kitchen/BreakRoomSink: Countermounteddoublecompartment18gaugestainlesssteelsink.
Faucet to be 2.0 gpm, single handle, swing spout with integral hand held spray. Garbage
disposalandinstahotwillbeincluded.
Water Coolers: Duallevel, stainless steel, surfacemountedwith recessed chiller. Unitswill
includebottlefillerstations.
ClothesWasherBox: Acommercialclotheswasheranddryerwillbeprovidedforthefacility. A
washerboxwithintegralwaterhammerarrestorswillbeprovidedatthelocation.
Janitor
Sinks:
Janitor
sinks
will
be
solid
surface,
floor
mounted
units
with
wall
mounted,
double
handlefaucetswithintegralvacuumbreakerandmophangingaccessories.
HoldingAreaPlumbingFixtures
Theplumbingfixtures intheProcessing,Holding,andHoldingRestroomswillbeofpenitentiarygrade,
withemphasison vandal and suicide resistance. Maintenance access for these fixtureswillbe from
plumbingchases.
CombinationLavatory/WaterCloset(Combi): Unitwillbeconstructedof14gauge,type304
stainless steel. Water closetwill have a concealed pneumatic 1.6 gpf flush valve. Lavatory
faucetwillutilizeasingle/temperedwaterpushbuttonfaucetcontrols. Apinwillbeprovided
in thedischargeof theunit toprevent itemsbeing flushedwith the intent to clog thewaste
lines.
Shower: Showerswillbemodularstallswithpressurebalancedantiscaldshowervalveswith
highlimitstops. Twoshowerheadswillbeprovided;aconventional2.0gpmvandalresistant
showerheadandahandheldshowerwith60longhose.
FloorDrains: Floordrainsinthesecureareasofthefacilitywillhavevandalresistantscreens. A
flushingfloorsinkisnotincludedatthistimefortheholdingcells.
TrenchDrains
TrenchdrainswillbelocatedintheApparatusBaysandSallyPort. Trenchdrainswillbeprovidedwitha
sandtrapatthelowendofthedrain. Thedrain linefromthesandtrapwillslopeat1/4inchperfoot
andwillroutetoasumppit. Theeffluentwillgravitydraintotheoilwaterseparatorwhichwillinturn
drainto
the
sewer
system.
EmergencyEquipment
Acombinationemergencyshowerandeyewashwillbeprovided intheDirtyClassroom. Theunitwill
beANSIZ358.1 compliant,barrier free, free standing,withoverheaddeluge showeractuatedbypull
rod. Thefacewashwillconsistofametalbowl,foursprayheadswithdustcoversandbeactuatedby
pushflag.
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Additional emergency facewash unitswill be located in other parts of the facility that are actively
workingwithchemicalsincludingCustodialClosets,Cleaning/Decon,andApparatusBays.
Emergency showers and face washes will be fed from a central tempering valve located in the
mechanicalroom,
next
to
the
water
heater.
DomesticHotWaterHeater
Thedomesticwatersystemwillbeacascadingsystem,withwasteheatusedtopreheatthedomestic
water and a steamtowater heat exchanger to provide additional polishing heat to raise the
temperatureto140degrees. Acentraltemperingvalvestationwillbeusedtotemperthewaterdown
to120degreesfordistributiontothefacility. Hotwatercirculationwillbeprovidedforthisfacility.
ElevatorSumpPump
Theelevatorpitwillbeprovidedwithanautomatic,floatactivatedsumppumpmountedinasumppit
recessed in theelevatorpit floor. The sumppumpwillhave adedicateddischarge thatwillexit the
elevator shaftand routeup todischarge tobuildingexterior.Thepumpwillhavean integrated level
switchto
control
the
pump
and
ahydrocarbon
sensor.
RoofDrains
Theroofdrainsandassociatedpipingsystemwillconsistofseparateroofdrainandoverflowroofdrain
systemswitheachroofdrainsystemroutedseparately to itsdischargepoint.Theprimary roofdrains
willberoutedtoastormdrainbelowgradeanddischargedtothefacilitystormdrainagesystem. The
overflowdrainsystemwilldischargetogradethroughawalldischargespouttoasplashblocktoprovide
avisual indicationofmalfunctionoftheprimaryroofdrains.Eachseparatestormdrainpipingsystem
will collect discharge from roof drains and overflow roof drains to the extent practical to limit the
number of discharge points. Overflow discharge spouts will be located away from roadways and
pedestrianwalkways.The roofdrainandoverflow roofdrainsystemswillbeprovidedwithcleanouts
locatedfor
easy
access
throughout
the
entire
drain
system
for
ease
of
maintenance.
All
roof
drain
and
overflowroofdrainpipingwillbeinsulatedandprovidedwithvaporbarriertopreventcondensation.
Whentheexteriorrainleaderrunoutsexceed35feet,theywillbehydronicallyheattracedbetweenthe
buildingandthenextmanhole. Whentheyare35feetorless,theywillbeelectricallyheattraced.
VehicleFillingStation
Alargediametersupplylinewillbeprovidedfromthefiresuppressionmaintohoseconnectionpoints
intheApparatusBaytofillthetrucksupbetweencalls. Theconnectionwillmatchthehoseconnection
typeontheapparatus.
Compressed
Air
The facilitywill be providedwith a shop air compressor thatwill be used for tools, equipment and
generaluse. AseparateSCBAaircompressorwillbeprovidedtosupportthepublicsafetymissionsof
thefacility.
ShopCompressedAir
ThecompressedairwillbedeliveredtopointsofusebySchedule40blackironthreadedpipe. Pointsof
usewillbehosereelswith50feetofhose.
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Compressed air will be routed through the Apparatus Bays as well as stationary maintenance
equipment/tools. Additionalpointsofconnectionwithquickdisconnectswillbelocatedattoolbenches
andotherareasperUAFsdirection. Pointofuseoilerswillbeprovidedwhereappropriate.
SCBACompressor
ApackagedSCBAcompressorandfillstationwillbespecifiedandlocatedintheSCBAFillStationRoom.
Provisionsforbottlestoragewillbeprovided.TheSCBAcompressorwillhaveadedicatedandfiltered
airintaketomaintainthequalityofthebreathingair.
Generator
Adieselfueledemergencygeneratorwillbeprovidedforthefacility. Adieselstoragetankwillbesized
toprovide72hoursofoperation. Aday/bellytankwillbeprovidedatthegeneratortofacilitateheating
ofthefuelanddeaerationofthefuel. Toachieve72hourofoperationatpeakload,thegeneratorwill
be provided with a 1,000 gallon onsite double walled, skid mounted fuel oil tank with all of the
appurtenancesneededforoperation.
FuelDispensingSystem
Therewillbenofueldispensingsystemfortheapparatusinthisproject.
HeatingDesign
Thedesignteamwillexploreutilizingwasteheat fromthechilledwater loopand/orwasteheat from
thepowerplantandotheralternativeenergystrategiestominimizetheenergyuseofthefacilitywithin
feasiblelimit.
HeatingSource
Theprimarysourceofheatforthefacilitywillbedistrictlowpressure(15psig)steam. Asteamtoglycol
shell& tubeheatexchangerwillbeprovided as a secondary sourceofheat, and a1/32/3 steam
controlvalvestationwitha2/3capacityglobevalvebypassshallcontrolthesteamsuppliedtotheheat
exchangers. Condensatefromtheheatinganddomestichotwaterheatexchangerswillbecollectedin
areceiverwithduplexelectricpumps. Condensatewillbemetereddownstreamofthepumps.
Steampiping shallbeASTMA53, schedule40 steel,withwelded fittings.Steam valves shallbe cast
steelASTMClass150.CondensatepipingshallbeASTMA53,schedule80steel,withscrewedfittings.
CondensatevalvesshallbeallbronzegateASTMClass150type. Thesteamandcondensatepipingwill
beinsulatedtopreventheatgaintothespace.
Lowtemperature waste heat from the adjacent power plant or from the chilled water system
(circulated in thewinter)will be explored as a secondary source of heat. A plateandframe heat
exchangerwillbeused inparallelwiththesteamheatexchangerto interfacethewasteheatwiththe
facilityheatingglycolsystem.
GlycolDistribution
A low temperature (110F),60/40propyleneglycol/deionizedwatersolutionwillbedistributedtothe
facilityviaduplexpumpsets,arranged inmain/standbyconfiguration,withVariableFrequencyDrives
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(VFD). Distributionsystemwillalsoincludebladdertypeexpansiontanks,inlinecombinationair/dirtair
separators,andglycolmakeuptanks.
HydronicpipingwillbeSchedule40steelpipingwithweldedfittingsortypeLcopperpipe. Alternate
materialssuch
as
Polypropylene
(Aquatherm)
and
mechanically
coupled
copper
systems
will
be
investigatedbythedesignteamandwillhingeonapprovalbyUAF. Oneinchofpipinginsulationshall
bestandardforalldistributionmains.
HeatingZones
Buildingheatlosswillbeoffsetbytheradiantslabtothemaximumextentpossiblewithreheatcoilsin
the supply air providing the balance of heat load in finished spaces. Radiant tubing layoutswill be
designed to providemaximum flexibility for future rezoningwhere possible. See paragraph Radiant
HeatingandCoolingbelowformoreinformationonthissystem.
Heatingofvestibulesandothercirculationareaswillbebycabinetunitheatersprovidingheating for
envelope loss and pickup load. Apparatus Bayswill be providedwith vertical unit heaters to cover
makeup
heat
losses
when
overhead
doors
are
opened.
Unfinished
spaces
such
as
electrical
and
mechanicalutility spacesand storage roomswillbeheatedbyhorizontalunitheatersor finned tube
whereappropriate.
Radiantceilingpanelsand finned tubewillbe strategicallyplacedas required toaddressanywindow
condensation issues. These units will stage with the radiant floors to heat the space, but will be
overriddenbyawindowsashtemperaturesensor.
CoolingDesign
CoolingSource
Theprimary
source
of
cooling
for
the
building
will
be
provided
by
the
district
chilled
water
system
via
the utilidor. The district system will connect directly to the building, but will be buffered by a
differential pressure valve to allow only the pressure needed into the building with a bypass for
emergencies. Thedistrictpumpswillbeprovidingthesystemflowthroughthebuildingsonobuilding
cooling pumps will be needed. In the winter time, any cooling required will be handled by the
ventilationsystem.
GlycolDistribution
Twocoolingloopswillbeprovidedthroughoutthebuilding.Alowtemperature(45F)loopwillservethe
airhandlercoolingcoilsonthepenthouselevelandlocalairconditioningunitswithinelectrical/telecom
roomsonthemainfloorsandbasement.
A second chilled loop will serve the radiant cooling systems with a moderate temperature (60F,
adjustable).Thesupplytemperaturetotheradiantfloorswillberesetbasedonoutsideairconditions
andlimitedfromdroppingbelowthedewpointtemperatureofthespacetopreventcondensation.
The cooling system will be served by a glycol makeup tank controlled off system pressure, an air
separator to remove air bubbles from the system, and an expansion tank to accommodate fluid
expansion/contraction from installed temperature. A 30/70percent ethylene glycol/deionizedwater
solutionwillbeusedastheheattransferfluidforallcoolingsystemstomatchthedistrictsystem.
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CoolingZones
Buildingheatgainwillbeoffsetbytheradiantchilledfloorstothemaximumextentpossiblewithsupply
airproviding space comfortcooling in the finished spaces.Radiant tubing layoutswillbedesigned to
providemaximum flexibility for future rezoningwhere possible. See paragraph RadiantHeating and
Coolingbelow
for
more
information
on
this
system.
Cooling of unfinished spaces (mechanical and electrical rooms)will be achievedwith dedicated air
conditioningunitsservedbythelowtemperaturehydroniccoolingloop.
RadiantHeatingandCoolingDesign
Both radiant heating and cooling systemswill be used to reduce the amount of distribution energy
requiredtoconditionthebuilding.5/8inchPEXtubingwillbeimbeddedinaconcreteslabandtheheat
transfermediumwillbecirculatedthroughthetubingtoconditionthespace. Theconcreteslabwillbe
insulatedunderneathwith2inchesof spray type insulation suitable forplenumuse to limit theheat
transferthroughthetopofthefloorassemblyonly.Heatingandcoolingwillbothuseacommonsetof
tubesin
the
concrete
to
avoid
additional
tubing
costs
and
to
simplify
installation.
Each zonewillhaveadedicated radiantmanifold cabinet that contains a common setof supply and
returnmanifolds.Afourpipesystemconsistingofsupplyandreturnpipesforbothheatingandcooling
willbepipedtotheradiantcabinet.Thesupplymanifoldwillutilizepressureindependentcontrolvalves
onbothcoolingandheatingsuppliestolimitmaximumflowratesandallowformodulationoftheflow
rates.Thiswillprovidecompleteisolationofthetwostreamsandenabletemperatureresetstrategiesto
be employed. The return manifold will have a diverting valve installed to return the fluid to the
appropriatesystemandpreventunwantedghostflowsand/orreheating/recooling.
Thecontrolstrategyfortheradiantwillutilizeacascadingschemethatallowstheradianttoassumethe
baseload
of
the
system
while
the
air
side
system
picks
up
the
balance
of
the
heating
or
cooling
load.
A
commonthermostatwillcontrolbothradiantandairsystems.Slabtemperaturesensorsnearthetopof
the floorassemblywillmonitor thesurface temperatureandprovide feedbackto thecontrolsystem.
Rather than an on/off approach the radiant will be programmed to provide a steady surface
temperature that is resetdependingonoutsideair temperature.This typeof control ispreferred to
on/offbecauseitofferstightercontrolandlessensthepotentialforovershootingroomtemperatureset
points.
SnowmeltDesign
Thereisnosnowmeltsystemforthisfacility.
VentilationDesign
Minimumoutsideairandventilation rateswillbeprovidedas requiredby the IBC, IFCandNFPAand
recommendedbyASHRAE 62.1. Airwillbedistributed tomeet the individual requirementsof each
space. SoundleveldesignforofficespacesisNC35. Soundlevelsformechanicalspacesaredetermined
byOSHArequirements.
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Ductwork shall be of galvanized steel construction constructed and installed in accordance with
SMACNAguidelines. Allequipmentandspecialtiesshallbeaccessible. Alloutsideairductworkwillbe
insulated. Reliefandexhaustairductswillbeinsulatedwithin10feetoftheexteriorterminationpoint
andprovidedwithplenumdrainsasneeded.
OfficesandClassrooms
Thegeneralventilationsystemwillbeprovidedbyacentralairhandlerwithheatrecovery. Theunitwill
beprovidedwithglycolpreheatcoilwithsummerandwinterfilterconfiguration. A60%+efficientair
toairheatexchangerwillbeprovidedwithahydronicheatingcoilandchilledglycolcoolingcoilforfinal
temperatureconditioning.
Distributionwillbeavariableairvolume(VAV)systemwithterminalboxes.Ductwork,sizedformedium
pressurelossatdesignconditionswhichwillresultinroughly2000feetperminuteductvelocities,will
distributedownthemainductchasewithbranchesservingeachfloor.Theventilationsystemwillsupply
ventilation air at5568F in the summertime (adjustable forbuildingwide cooling and reset to save
energy)and72Finthewintertoeachspace.
Theventilationsystemwillbeconfiguredtoproviderequiredoutsideair levelstothespaceoccupants
perthelatestversionofASHRAE62.1.Theperimeterzoneswillutilizeductboostercoilsasrequiredto
assistinaddressingbuildingheatlossandinfiltration.
Agravityreturnairsystemwill route theairback to thereturn fan in thepenthouse.Thesupplyand
returnair fanswillbedesignedwithvariable speeddrive toaccommodate thebuilding cooling load,
filterloading,andfutureflexibility.Soundattenuatorswillbeaddedtotheairhandlingunittomeetthe
designventilationnoisecriteriaifnecessary.
Positiveshutoffcontroldamperswillbeused in thissystemto isolateareasofthe facilitythatare in
unoccupiedmode
either
via
daily
scheduling
or
just
not
occupied
during
normal
business
hours
to
conserveenergy.
Thebuildinggeneralexhaustsystemandthebuildingreliefwillbefittedwithmetalflatplatetypeheat
recovery system if building space allows. These type of systems required the building intake and
exhausttobeadjacent. Ifthisisnotavailable,arunaroundlooporsplitheatpipetypeheatrecovery
systemcanbeusedtorecoverheat.
24HourRooms
Spaces thatareeitheroccupiedorrequireexhaust24hoursadaywillbeservedbyadedicatedheat
recoveryunit. Exhaustwillbetakenfromrestrooms,lockerrooms,holdingcells,andevidencestorage
areas.
The
equivalent
outside
air
will
be
passed
through
the
heat
recovery
unit
and
used
to
serve
spaces
thatareoccupied24hoursadaysuchasdispatch,holdingcells,andfirepersonnelwait/readyrooms.
DetentionCore
TheHoldingCellsandProcessingcoreareanticipatedtobeventilated24hoursaday. Holdingrooms
andotherareaswheredetaineesmaybeunsupervisedwillbeprovidedwithpenitentiarygrade,high
securitygrillesthataredesignedtobeantiligatureandsuicideresistant.
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Smokecontrolsystems,ifrequired,willbemetbyhavingthesupplyandexhaustairprovidedbythe24
houroperatedheatrecoveryunit.
ApparatusBaysandSallyPort
Acentral
exhaust
system
will
be
provided
that
consists
of
an
exhaust
fan,
welded
galvanized
steel
exhaustdistributionmainsandlowpointhighvolumedisplacementstyleexhaustsystem.
Eachemergencyvehiclebaywillbeprovidedwithhighvolume lowpointexhaustgrilles locatewithin
12 of the floor to pull the vehicle exhaust fumes down and away from the breathing zone. Fresh
makeupairwillbeprovideuphighultimatelymovingtheair inthespacefromtoptobottomkeeping
thevehicleexhaustfumesfromaffectingtheoccupants.
Thevehicleexhaustwillbeprovidedbyacentralutilitysettypeunitratedandconstructedtohandle
vehicleexhaust. The fanwillbesizedassuminga60%diversity factor inactivebays.The fanwillbe
providedwithaVariableFrequencyDrive (VFD) toallowreductionofairflow tomatchthenumberof
active vehicle bays.When the apparatus bays are not in use, exhaustwill ramp down to a general
exhaustlevel
in
the
Apparatus
Bays.
The
exhaust
will
be
activated
by
nitrogen
dioxide
(NOX)
sensors,
carbonmonoxide (CO) sensors, and 060minute springwound timers located throughout theMain
Shop. Whenactivated,theexhaustsystemwillprovide1.5CFM/SFofexhaust.
Adedicatedmakeupairunitwillbeprovidedtoreplacetheairexhaustedfromthespace. Theunitwill
behydronicallyheatedandbeprovidedwithaVFDtominimizeenergyusage. Themakeupairfanwill
offsettomaintainaconstantnegativespacepressure.
Theofficesandsurroundingroomswillbekeptatapositivepressure incomparisontotheApparatus
BaysandSallyPort
Dueto
intermittent
operation,
arun
around
loop
will
be
provided
to
recovery
heat
from
the
vehicle
exhaustsystemandtopreheatthemakeupair.
KitchenetteExhaust
The kitchenwillhave a combinationmicrowave/rangehood exhaust unit located above the cooking
range. Theexhaustwillbeductedtotheoutside.
ClothesDryerExhaust
ClothesdryerexhaustwillbeprovidedtotheoutsideofthebuildinginaccordancewiththeIMC.
BatteryStorage
The
Battery
Alcove
will
have
continuous
exhaust
providing
a
ventilation
rate
of
1
CFM/SF
in
accordance
with the IFCand IMC. Makeupairwillbeprovidedby transferairopenings. The roomwillalsobe
providedwithahydrogensensorandwillalarmuponaconcentrationof1%hydrogen.
EvidenceStorage
The evidence that is stored in Evidence Storage rooms can create significant IAQ and health issues.
Theseroomswillbeprovidedwith10ACHofexhaust24hoursadayandkeptatanegativepressurein
comparisonwithsurroundingrooms.
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Aseparatelockedventedcabinetwillbeprovidedtostoredrugevidenceandothersmallerarticlesthat
areparticularlyeffervescent.
MechanicalRoomVentilation
Aventilation
fan
assembly
with
relief
air
opening
will
be
provided
for
the
mechanical
room.
The
mechanicalroomventilationsystemwillbeaconstantvolume,variabletemperaturesystemwithreturn
air.Outsideairwillbemixedwithreturnairtoprovidecoolingair.Thebuildingchilledwatersystemwill
providecoolingforthemechanicalroomventilationsystem. Thereliefairopeningwillconsistofan
upturnedelbowwithcontroldamperthatwillopenwhentheventilationfanisoperating.
DehumidificationDesign
AdehumidificationsystemwillbeprovidedtoservetheApparatusBays,HoseTower,andHoseWashing
Storageroomsemploying latentheatrecovery,coolingairbelowdewpointandreheating,ordesiccant
typehumidificationasrequired.
FireSuppression
Design
AcommercialtypewetpipefireprotectionsysteminaccordancewithNFPA13,forordinaryhazard
Group1(somespacesmayhaveincreasedhazardclassificationdependingonthespaceuse)occupancy
willbeprovided.
Afiresprinklerriser,completewithbackflowprevention,inspectorstesttoexteriorofbuilding,and
maindrainshallbeprovided.Azonedsprinklersystemshallbeprovidedbyfloor,withsupervised
controlvalve,flowswitch,andinspectorstest/drainforeachzone. Supervisoryandalarmconnections
tothefirealarmsystemshallbeprovided.
Thesprinkler
system
will
consist
of
ASTM
A53,
schedule
40,
black
steel
pipe.
Sprinkler
piping
shall
be
oversizedasneededtoreducethepressuredropthroughthesystem.
Sprinklertypestoinclude:
Offices,classrooms,andgeneralspaceswithfinishedceilingswillbecoveredbycommercial
pendanttypeheads.
ApparatusBays,SallyPort,mechanicalandelectricalrooms,andunfinishedroomswithexposed
ceilingswillbecoveredbycommercialuprighttypesprinklers.
Holdingcellsandotherareaswheredetaineescanbeleftunsupervisedwillbeprovidedwith
penitentiarygrade,suicideresistantsprinklerheads. Preactionordoubleinterlocksystemsare
notplannedforthesespacesatthistime.
Drysprinklerheadswillbeusedtoprovidecoverageatexteriorcanopiesaswellasinteriorvestibules,
stairwells,andotherareassubjecttolowambienttemperatures.
DDCDesign
ThemechanicalHVACcontrolsystemshallbeaDirectDigitalControl(DDC)microprocessorbased
systememployingdistributedprocessing.LocalcontrolshallbeaccomplishedbynetworkedDDCcontrol
panels. Eachcontrollershallbecapableofstandaloneoperation,andshallbecompletewithbattery
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backupandmanualoverridecapability. Centralizedmonitoringandcontrolshallbeprovidedthrough
thecentralprocessingunit,graphicsoperatorinterfaceandassociatedperipherals.Sensorsshallbe
electronic.Operatorsshallbeelectric.Localcontrolshallincludecustomsequencesofoperationfor
eachterminalunit,pieceofequipment,andHVACsystem.Proportional/Integral/Derivative(PID)control
modesshall
be
employed.
ThecentralprocessorshallbelocatedinthePenthousewithfullaccessoperatorterminalslocated
throughoutthebuilding.AsecondcentralprocessorshallbelocatedintheBuildingMangersofficewith
limitedaccesstoDDCtimeclocksandroomHVACsetpoints.
Energymonitoringwillbeincorporatedintothecontrolsystemtomonitordomesticwater,lowgrade
wasteheat,condensate,andelectricityusage. Additionalequipmentspecificmeterscanbeaddedto
thesystematthedirectionoftheUAF.
ENDOFMECHANICALCONCEPTDESIGNNARRATIVE
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ELECTRICALDESIGNNARRATIVE
DesignParameters
Codesand
Standards
ADA(2010) AmericanswithDisabilitiesActStandardsforAccessibleDesign
ANSI AmericanNationalStandardsInstitute(ApplicableStandards)
ASMEA17.1 SafetyCodeforElevatorsandEscalators
BICSI TelecommunicationsDistributionMethodsManual,12thEdition
FM FactoryMutual(ApplicableStandards)
ICCA117.12009 AccessibleandUsableBuildingsandFacilities
ICCIBC(2009) InternationalBuildingCode
ICCIFC(2009) InternationalFireCode
IEEE InstituteofElectricalandElectronicEngineers(ApplicableStandards)
IES
LightingHandbook,
10th
Edition
NECA12010 StandardforGoodWorkmanshipinElectricalConstruction
NEMA NationalElectricalManufacturers'Association(ApplicableStandards)
NESC NationalElectricalSafetyCode
NFPA70(2014) NationalElectricalCode
NFPA72(2013) NationalFireAlarmandSignalCode
NFPA101(2012) LifeSafetyCode
NFPA110(2013) EmergencyandStandbyPowerSystems
NFPA111(2013) StoredElectricalEnergyEmergencyandStandbyPowerSystems
NFPA1710(2010) OrganizationandDeploymentofFireSuppressionOperations,
EmergencymedicalOperations,andSpecialOperationstothePublicby
CareerFire
Departments
NFPA1720(2014) OrganizationandDeploymentofFireSuppressionOperations,
EmergencymedicalOperations,andSpecialOperationstothePublicby
VolunteerFireDepartments
TIA TelecommunicationsIndustriesAssociation(ApplicableStandards)
UL Underwriters'Laboratories,Inc.(ApplicableStandards)
Introduction
The followingElectricalDesignReportprovidesadescriptionof theelectricalsystemelements forthe
UniversityofAlaskaFairbanksFireandPoliceStation,known in thisreportastheEmergencyServices
Facility(ESF).
This
report
addresses
anticipated
electrical
loads
and
equipment
space
planning
criteria,
basedonavailableinformation,andcurrentprojectunderstanding.
WorkandequipmentlocationsshallbecoordinatedwithUAF.Thedesignobjectiveistoprovideahigh
degreeofreliability,safety,andservicemaintainability.
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ProjectScope
TheESFbuildingwillserveasthenewcampusFireStation,PoliceStation,andCommunityandTechnical
College.
Acomplete
electrical
system
will
be
provided
to
comply
with
the
references
listed
below
and
the
project
requirements.Theelectricalsystemwillservemechanical systems,elevator, lighting, receptacles,and
ownerprovidedequipment.
A Normal and Priority servicewill be provided: Thiswill consist of two new services connected to
campusfeedersasdescribedintheElectricalDistributionsectionofthisreport.
TheessentialelectricalsystemfortheESFwillbesuppliedbya200kWgenerator.
The existing parkingwill be removed to allow for the ESF and changes to vehicular traffic patterns,
requiring the following changes to the existing headbolt heater receptacles and other electrical
equipment.
Removalof
existing
load
centers
powering
headbolt
heater
receptacles
and
feeders
between
loadcentersandservingpanelboardnorthofadjacentNenanaparkinglot.
RemovalofexistingheadboltheaterreceptaclesinstalledonJerseybarriers.
Removaloffour(4)existingheadboltheaterpostsinstalledintheNenanaparkinglot.
Removaloffour(4)lightpoles.
RemovalofTransformer180andrelocationoftransformerorrecircuitingofexistingloads.
AnewgroundingelectrodesystemwillbeinstalledfortheESFbuilding.
TheESFwill require the following room locationsand sizes tooptimizedesign functionality and cost
effectiveness.AdditionalcoordinationanddiscussionwiththeOwnerisnecessarytoensurefinalroom
sizes/locationssatisfytheownersprojectrequirements.
AMainelectricalroomshouldbe locatednearnorthsideofthebuildingatground level. Additional
electrical rooms should be stacked vertically to ease installation andmaximize efficiencies of design
system distribution. In general, branch circuit panelboards will serve the floors on which they are
located.
1stFloor"Main"ElectricalRoom:Estimated750SF(25'x30');two(2)exitsatoppositeendsofthe
room,thedoorsshallopeninthedirectionofegress.
2ndFloorElectricalRoom:120SFminimum(10'x12');locatedabove1stFloor"Main"Electrical
Room.
3rdFloorElectricalRoom:120SFminimum(10'x12');locatedabove2ndFloorElectricalRoom.
Panelboardswillberequiredtobelocatedinroomsthroughoutthefloorplantoallowbranch
circuitpanel
boards
to
be
located
local
to
the
loads
being
served
by
the
individual
panelboards.
The Telecommunications rooms should be centrally located near the Dispatch center and stacked
verticallytoeaseinstallationandmaximizeefficienciesofdesignsystemdistribution.
1stFloorTelecommunicationsRoom:180SFMinimum(12x15).
2ndFloorTelecommunicationsRoom:100110SFMinimum(9x12);Locatedabove1stFloor
TelecommunicationsRoom.
3rdFloorTelecommunicationsRoom:100110SFMinimum(9x12);Locatedabove2ndFloor
TelecommunicationsRoom.
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DispatchSupportRoom/Area:Additionalconsiderationforroom/arearequiredtosupport
Dispatch.
TheGeneratorroomshouldbesized300SFMinimum(15x20)andlocatedinthecornerofthebuilding
where two walls are exposed to air to allow for air intake and exhaust on perpendicular walls.
Optionally,thegensetmaybelocatedexteriortothebuilding.
Lowvoltagesystemsworkentailsfirealarm,telecommunications,publicaddress,CCTV,accesscontrol,
andotherOwner/Vendorprovidedsystems.
BasicMaterialsandMethods
1. Raceways. Racewayswillbeprovidedforallwiringexceptcabletraysand/orjhookswillbe
providedforlowvoltagewiringfortelecommunicationsandothersignalingsystems.Wiringwill
berunconcealedinwallsandabovetheceiling.Racewayswillbe1/2inchdiameterorlarger.
Electricalmetallic
tubing
(EMT)
will
not
be
installed
below
grade
or
in
locations
not
determined
tobe"dry."Circuithomerunsforlightingandpowershallbenosmallerthan3/4inchin
diameter.Aminimumoftwo(2)spare3/4inchracewayswillbestubbedintoaccessibleceiling
spaceandcappedatallflushmountedpanelboardstoallowutilizationofsparecircuitbreakers.
Allracewaysandcabletrayswillcontainseparategroundingconductorstoinsureaneffective
groundingsystemthroughoutthefacility.Flexiblemetallicconduitwillbeusedfortheextension
ofthebuilding'sfixedracewaystoanyvibratingorsimilarequipment.
2. Wire. Allwiringwillbeofcopperconductingmaterialwithinsulationtype,temperaturerating,
andarrangementtosuittheintendedapplication.Generallywiringinheatedinteriorspaceswill
beTypeTHHN/THWNinsulationandwireinunheatedareaswillbeTypeXHHWinsulation.All
wiringwill
be
UL
Listed
or
acceptable
to
AHJ
for
its
intended
application.
Wiring
will
be
based
uponstandardAmericanWireGauge(AWG)andtypicalelectricalindustrysizes.Powerwiring
willnotbepermittedinsizessmallerthan#12.Firedetectionandalarmsystemnotification
appliancecircuit(NAC)wiringwillnotbepermittedinsizessmallerthan#18.
3. EquipmentGroundingConductor. Aninsulatedequipmentgroundingconductorwillbe
requiredwithallfeedersandbranchcircuits,eachendterminatedonasuitablelug,busor
bushing;theequipmentgroundingconductorswillbesizedtocomplywithNEC,unless
otherwiseindicated,butnotsmallerthanNo.12AWG.
4. OutletandJunctionBoxes.Alloutletandjunctionboxeswillberequiredtobesteel21/8inch
deeptype;
single
gang
and
sectional
boxes
will
not
be
permitted.
Boxes
will
be
required
to
be
at
least4inchessquareandbesuppliedwithsinglegangplateswithplasterextensionswhere
flushmounted.Alljunctionboxcoversshallincludeidentificationofcircuitnumbers.Boxes
mountedexposedtoweatherelementswillbegalvanizedcaststeeloraluminumwiththreaded
hubs.Sitedistributionwillbeaccomplishedwithprecastconcretehandholes,pullboxes,and
junctionboxes.
5. Receptacles.Devicesincludegeneralreceptacles,specialreceptacles,andothercomponents
requiredtoprovideconvenientpointsforconnectionofappliancesand/orequipment.All
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receptaclesontheemergencysystemcircuitswillbered,locatedtoaccommodateequipment
anduserneeds.Specialdeviceswillbeprovidedforlargerappliancesandequipment.Ground
faultcircuitinterrupting(GFCI)deviceswillbeprovidedatalllocationsrequiredbytheNEC,
within6feetofwetlocations,andwhererequiredbytheprogramandwheresafetyissuesmay
ariseifsuch
protection
was
not
provided.
All
GFCI
devices
will
be
installed
as
end
of
circuit
type
(feedthroughtypeinstallationnotpermitted)andrated20amperes,125V.Twistlock
receptacleswillbeprovidedasrequiredtocoordinatewithsuppliedequipment.
6. LightSwitches.Devicesincludeswitches,dimmersandothercomponentsrequiredtoprovide
convenientpointsofcontroloflightingfixturesinlogicallocationsforspecificuses.Special
controlwillbeprovidedforspecificloadssuchasperimeterandlandscapelighting.Switcheswill
beprovidedforlocallycontrolledlighting.Dimmersmayalsobeprovidedforlightingunitsin
areaswherereducedilluminationlevelsfordisplay,education,training,orothersimilar
activitiesoccur.
7. Device
Plates.
Stainless
steel
device
plates
will
be
included
for
all
interior
general
receptacles,
specialreceptacles,andswitches.Specialdeviceplateswillbeprovidedforspecificequipment
asspecifiedandrequiredforlargerappliancesandequipment.Weatherproofreceptaclesand
platesshallbegasketed,selfclosing,withcoatedsteelandofaconfigurationthatretainsits
weatherproofratingevenwhencord(s)areconnected.
8. MotorStarters.UnlessspecialconsiderationsrequireselectionofothertypessuchasVFDs,etc.,
startersforautomaticallycontrolledmotorswillgenerallybehorsepowerratedfused
combinationtypefullvoltagenonreversible(FVNR)controllers.Manuallycontrolledmotor
starterswillbehorsepowerratedmanualstartersforfractionalhorsepowermotors,and
possiblysomeintegralhorsepowermotorswherethemotorcanbeleftonlineduringpower
failures,etc.
Starterswillbeequippedwithpilotlights,transformers,startstoppushbuttons,orhandoff
auto(HOA)switchesasrequiredandconnectedsocontrolwillshutdownwhenthedisconnect
switchisopenedforanyreason.AllstarterenclosureswillbeNEMA1andofsteelconstruction
unlessanotherenclosuretypeisrequiredtosuittheapplication.
Variablefrequencymotordrives(VFDs)willbeprovidedwhereindicatedbyMechanicalfor
motorshavingwidelyvariableloads.VFDswillbestandaloneunitsfurnishedbyMechanical.
9. Switchboards,DistributionPanels,andBranchCircuitPanelboards.Theswitchboardswillhave
frontandrearaccesswithamaindisconnectsectionandatleasttwodistributionsections;
serviceswitchboardsinadditionwillincludeanincomingutility