sign in sign up
<<
Home , Daylighting, Daylight harvesting

INTRODUCTION The measures include: performance. and airconditioning/heating improving quality over current codes, while systems by 25%andmore plug loadsandHVAC energy usedby lighting, The strategies reduce the environment. energy andtheindoorwork team ofleaders inbuilding developed by anational AEO design strategies were Contents • • • • • • • • • • • • • • Conclusion Lighting ControlsElectric Occupant Acceptance Control Systems and Finishes Surface Interior Performance and Orientation for Work Station Panel Design Covering Design Space Planning Programming Introduction Thermostat Response Demand Advanced Metering HVAC Performance Efficient Plug Loads PracticeBest GUIDE For theCommercial Office energy savings. ofanintegratedWhen daylight isusedaspart design strategy itcanprovide substantial The benefitsofbuildingsilluminated withdaylight include: always to usedaylight provides to meettheseobjectives. substantial opportunity toand comfortable theoccupant. The design (TI)nearly ofanoffice tenant improvement provide interior lighting that functional isappropriate to specificprogrammatic areas “Daylighting” refers to theuseofsunlight, andovercast , illumination to officeAn space advantage taking ofdaylighting design inquiry: design inquiry: office In environments, daylighting traditionally encompassesavenues of threeprimary daylightand/or taskillumination during criteria hours. daylight to meetambient alloccupied during timesandassurance ofadequate-diffuse in acommercial office space. Inmost areas, thismeans complete control ofdirect The contents ofthisguideare proposed asaprocess to successfully design withdaylight • • • • • • • INTRODUCTION brain chemistry brain chemistry for theproper andvisualstimulationMental necessary regulation of human Increased humancomfort Increased individualproductivity interior environmentsHealthier andhigherquality for occupants Shading for (andheat gaincontrol) comfort thermal Shading for control for design andselection effective daylight surface Interior harvesting CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN “Solar Climate“Solar Analysis” Search for: http://www.eere.energy.gov/ SOFTWARE DATABASE CLIMATESOLAR ANALYSIS Resources foot. the humaneye) persquare power of light perceived by one lumen(ameasure ofthe The footcandle isequal to surface. fallsonagiventhat actually istheamount oflight It levels. calculating adequate lighting A unitofmeasurement for FOOTCANDLE (fc) Glossary of 650to 1600footcandles. winter equates to arange An overcast inthe sky footcandles. range of2200to 4000 equates to a An overcast inthe sky Facts occupied? of year willthespace be What timeofday andtime space used? How frequently isthis important? Are views to theexterior this space? forIs daylight important For EachProgram Element Criteria Programming

DAYLIGHTING GUIDE For theCommercial Office Legend Building Core Spaces Support Private Offices Office Open An example ofaprogram for daylight might criteria includethefollowing: daylighting strategies. to hard wireup opportunities alinkspecific programmatic elements andthoughtful queries. two oflightWhile andview, thefirst speakofquality two thesecond open The titledProgramming column at left Criteria For EachProgram Element listsfour key the designer mustaskthemselves ofqualitative aseries andquantitative questions. orderIn to determine theavailability andbestuseofdaylight inrelation to theprogram, far more specific to thevisual experience thanasinglemetric. Programming for daylight may however, includeLEED™criteria, successful daylighting is availability andbestuseofdaylight inrelation to theprogram daylight requirements. patterns of occupancy, thetimesofuseandorientation ofthebuildingto determine the to Placement visualcomfort. oftheprogram elements takesinto consideration the rolecritical to play increating adesign that meetsdaylighting appropriate criteria and overall floorplate depthare predetermined. Yet, theinterior designer stillhasa anofficeIn TI, weassumethat window size,exteriororientation, solar control devices For Daylight Criteria PROGRAMMING Example of a daylighting opportunity analysis Example ofadaylighting opportunity Approximate daylightpenetration (2xwindow headheight) No daylightpenetration orviewopportunities daylightpenetrationMinimal orviewopportunities sunlight,requiresDirect occupant control ofglare available,Daylight requires occupant control of glare and water of green space Western view -Daylight andviewdesired, occupants have glare control - No daylight or view opportunites are -Nodaylight necessary orviewopportunites -Daylight andviewdesired, individualoccupant glare control - Minimal daylight or view opportunities required daylight -Minimal orviewopportunities 18’ deepinto plate, floor window headheightis9’inthisspace office building of adjacent view Northern of mountains Eastern view N 2 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN and smallsize. visual tasksoflow contrast 100 fc: Performance of low contrast andlarge size. small size, orvisualtasksof tasks ofhighcontrast and 50 fc: Performance ofvisual large size. tasks ofhighcontrast and 30 fc: Performance ofvisual simple visualtasks. 10 fc: Working spaces for visits. simple orientation for short 5 fc: Reception area – Footcandle Levels PracticeBest daylight ? strategy for providing What might bethebest solar orientation? What might betheideal levels required? Are there maximumlight footcandle level? What istheminimum and glare control? How sun crucialisdirect requirements? minimum daylighting What are the For EachDaylit Space Criteria Programming Toplighting? Side lighting?

DAYLIGHTING GUIDE For theCommercial Office to the TI space over thecourse ofaday. Daylighting canbeused simulation software step programming critical during The next isto understandthepatterns oflight specific lighting control strategy ofeachspace. Programming Criteria For EachDaylit Space to listssixkeyqueries helpdefinethe specific programming canthenbeapplied. criteria titled The column at left ofeachdaylitOnce the charactaristics TI space are better understood anddocumented, programming process. Understanding patterns oflight specific to the TIspace step isacritical inthe that occupiedRemember suncontrol during times. isonly critical performance withanyunderstood designthat quickly allows software for simpleshadow casting. to ofdiffusedaylight, understand thedistribution sunlight whiledirect patterns canbe • • comfortable withthepresencecomfortable sun. ofdirect sunlightdirect whereas fixed workstations or reception deskswillalmostnever remain break areas, copy/print gatheringspaces may zones betolerant orothershort-term of for oftime, periods extended suchasopenoffice areas. Corridors, circulation paths, Daylight andviews are preferred typically inareas that are mostheavily occupied Tip Recognize locations sunlight ofdirect patterns andthetimeofday theyoccur Identify ofdiffuseillumination sunlight distribution anddirect 3 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN circulation area. provideSkylights toplighting office inopen enter higherwithinthespace. on awall allowing daylight to setabove eye-level translucent materials. or transmitted through off adjacent buildings obscured by trees, reflecting sources,indirect beit entering thespace through Refers to thenatural light DIFFUSE . space through or Daylight that enters the TOPLIGHTING Glossary the window height. limited to1.5 to 2times of thedaylight zone is depth The practical DEPTH PRACTICAL Fact DAYLIGHTING GUIDE For theCommercial Office and diffusedaylight relative to thedaylighting design set criteria forth. synthesis the spatial needsoftheprogram elements withthespecific patterns ofsunlight isinhand,Once of thedaylight acleardescription thedesigner performance must windows. avoidsit typically sunlight thedirect andglare challengesassociated with perimeter show that toplighting tends to provide themosteffective daylight since performance, Toplighting viadiffuseskylights, orclerestories shouldbeincludedwhere possible. Studies together to create themostappropriate solution. ofanintegratedimportance design approach where allstrategies inthisguidework occupants mustremain paramount equation. inany performance Thus reiterating the available to theoccupants isnotalways achievable. However, ofbuilding thevisualcomfort alignmentThe exact ofallprogram element daylighting ofspace andthetype criteria ensure oflight anequitabledistribution andviews, thefollowing isrecommended: to adjust their blindsfrequently, since the “ownership” oftheirspace isclear. order In to unoccupied ofthetime. asmuchtwo-thirds Occupants inprivate offices are likely by continuously someonenearly thework during day, yet private officesoften are For example, itiswellthat openoffice known environments tend tobe occupied patterns. andoccupancy priorities the patterns suninthespace ofdiffuseanddirect witheachprogram element’s needs, When space planningfor daylight, thedesigner cansynthesize about what theyknow exposure. from Western sun officebuffer open conference rooms Private offices or drivers andterritorial thislocation. viewsdictated tolerated East orWest exposure. Adjoining program Break room, whichgetsintermittant use, could have • • Relative to patterns ofdaylight andtimesofoccupancy SPACE PLANNING Toplighting Strategies Ideal for open office.Ideal foropen (East and West) Position individualoffices be whereproblematic sun low angledirect may otherwise orlessvariable(South) sunpenetrationdirect islimited (North) Locate openoffice areas within18’-20’ oftheperimeter zoneand at areas where other program drivers. office workstations, thisspace had Although thiszone isidealforopen Ideal for open office.Ideal foropen exposure. from Eastern sun officebuffer open conference rooms Private offices or N 4 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN Operation Window Covering Shades /Blinds • • • • • Operation:Manual • • • • • • • • Fabric Window Shades: Automated Operation: Horizontal Blinds: expensive asmanual. Up to four timesas daylight effectiveness. therefore maximizing requiredNo userinterface only whenneeded. Deployed andretracted daylight performance. attention to maintain Requires frequent user performance. maximum daylight Proper usecanachieve $2.25/sf. (2009installed) Cost isapproximately light. to createRedirect diffuse slat angles. continuously adjustblind Requires usersto sunlight.Blocks direct $5.70/sf. (2009installed) Cost isapproximately greater. daylight levels by 90%or Generally reduces diffuse and diffusedaylight. for view sun andre-open attention to blockdirect Requires frequent user Easy to use. DAYLIGHTING GUIDE For theCommercial Office Images couretsy ofWAREMA GmbH Renkhoff oftheoccupied times.large portions the mostpersistent where daylight low sunispresent performance angledirect during durations views to ofunobstructed theexterior. Automation ofglare control may provide effective daylight lighting powercontribution, increased electric savings, andlonger allow for unimpededdiffusedaylight.In mostcases, thiswilldeliver of longerperiods sunlightand retracting whendirect withoutuserintervention isnolongerpresent to Automated glare control advantage has the distinct of being deployed only when needed elimination ofviews to theexterior. throughout theday andyear. resultsThis andthe typically inpoordaylight performance permanently deployed at the “worst casescenario” positionto maintain visualcomfort achieving maximumdaylight For performance. thisreason, blindsorshadesare often rely onandrequire constant userattention to maintain complete glare control while operatedManually effective blindsystems ifproperly canbevery used, however, they can control thisphenomena. shades with3%orlessopennesshorizontal blinds, enough to window blockthesun,suchasfabric awindow coveringthe sun.Selecting that isopaque issues indaylighting isalineofsight to thediskof (glare).discomfort The mostcommon source ofglare continuously. Typically, thisisassociated withvisual We have allseenbuildingswhere blindsare down overdaylight performance time. tochoice ensure adesigner whilemaintaining visualcomfort willmakewhenseeking ofblinds,windowThe coverings, selection orthelackthereof islikelythemostcrucial For Glare & Thermal Control WINDOW COVERING DESIGN Shading is difficult but criticalShading isdifficultbut for comfort. East/ West: accessGood to strong illumination butvariesthrough theyear. ShadingiseasierthanEast/West. South: Shading mayorlate morning onlybeneededinearly afternoon. North: Shading andExposure Tips the benefit ofthedaylight. the benefit blinds here would eliminate Shutting the visual discomfort. sunlightcanDirect cause light into space. needed, allowing forindirect sunwhereviews orblock covering strategy to preserve Example ofsplitwindow 5 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN (New BuildingsInstitute) PatternIdaho: Daylighting Guide ofWashington/UniversityUniversity of daylight. energy savings ofusing negating theanticipated lighting; thus the electric on users willturn too dark, aspace thenbecomesIf causing thevisualdiscomfort. or shadesifthedaylight is to shuttingtheblinds resort occupantsOften will field. items withinaperson’s visual or excessive contrast oftwo of sight to thediskofsun, computer screen, line direct Can becausedby glare ona VISUAL DISCOMFORT Glossary source.natural orartificial fromarrives directly a instead of that which a white wall orceiling, such asbouncingfrom reaches ataskindirectly, of light isthat which Typically, abetter quality can create eye fatigue. which to tasksat thedesk, can create harshcontrast Facing brightwindows Facts DAYLIGHTING GUIDE For theCommercial Office via exterior windowvia exterior Low to daylightdistribution panelsperpendicular visual taskarea isimmediately surrounded by the brightnessofaviewto theexterior. into theirown shadow, orworse, from theexcessive contrast that might occur whena openings wherever possible. This helpsavoid from visualdiscomfort buildinguserslooking at theircomputer) isparallel looking to visualtasks(mostoften, daylight performing Workstations shouldbedesigned sothat that thedirection mostoccupants face while or creating shadows. dark andallow for canenableprivacy amplestoragedistribution withoutcompromising views perimeter glazing. 65” highpanelsthat are to ofdaylight perpendicular thedirection orto createprivacy asenseofenclosure, theyshouldbeoriented to perpendicular the ensure themaintenance ofviews. Where higherpanels(48” orgreater) are required for must bekeptlow (42” orless)andparallel to ofthedaylight thedirection to distribution a continued commitment ofdaylight to thepreservation andviews. Workstation panels anddesignThe ofopenoffice furniture, selection especially workstationpanels, requires And Orientation WORKSTATION PANEL DESIGN Workstation Panels Influence of Furniture Lower partition Higher partition of userto window Perpendicular orientation visual field Primary windowExterior wall High panelsparallel to daylightdistribution 6 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN space. allows daylight to enter a that orclerestory skylight, An openingsuchasawindow, is bouncing. material from whichthelight the of contrast dependingon of thespace orcreate areas help balance thebrightness tenant space. This can either withinthe adjacent surfaces The ofdaylight reflection off brightly. emitting light, orglowing The state ofbeingluminous, Glossary asestimateddark above. when interior finishesare as maximum energy efficiency isdifficult toachieveIt space. not beappropriate to the the lighting solutionmay not match design, the actual When estimated LRVs do 20 for floors 50 for walls 80 for ceiling designers asfollows: been calculated by lighting traditionally have (LRV) Light reflectance values 0 isblackand100white. (total light where reflection), light to absorption) 100 based onascaleof0(total The light reflectance is Reflectance Values Evaluation ofLight D Inter-reflection LUMINOUS L uminosity aylight

reflectance level ofthe Apertures DAYLIGHTING GUIDE For theCommercial Office enhance theperception ofbrightnessanduniformity where desired. adjacent to planesthat aresurfaces designed to beperceived asbrightcan,by contrast, contrast inthespace. andhelpbalance theluminosity The strategic placement ofdarker opposite oraroundThe placement canhelpreduce daylight ofbrightsurfaces apertures reflection. This isespeciallytruewiththe ceiling plane. that arepositioned sothat theydo notcastshadows crucialfor onsurfaces daylight inter- brightness. Furthermore, andotherequipment shouldbe structure, beams, ductwork, withinagivendistribution volume iscrucialto andtheperception visualcomfort of depths inexcess of25’-0”, office withtypical ceilingheights. Thebalance of daylight difficult toachieve isvery balanced illumination It from oneside totheotherwith core “cave effect.” interior zone, thespace willtend to beperceived asdark. This referred isoften to asthe within aninterior space. This meansthat iftheperimeter zone issubstantially brighter than within interior spaces. Physiologically, oureyes tend to adjust to the brightest location tool inshapingtheperception finishescanbeapowerful ofbrightness surface Interior circulation space. Note theLRVs oftheceiling, walls &work surfaces. interior isdesignedfordirectsunattransition/A highperformance of theviewthrough theperimeter windows. daylight, andisofarelatively highreflectance value,to balance thebrightness itwillserve daylightingreflecting that travels horizontally into thespace.If this wall receives sufficient “back” wall, thewall opposite aperimeter window, acrucialrole inreceiving canserve and substantially improve daylighting performance. The ofthe positionandvisualcharacter withthedaylightingWhen doneinconjunction goals, offinishescan effective selection INTERIOR SURFACE FINISHES Work 85% Surface: Walls: 85% Ceiling: 80% Floor: 10%(Carpet) 7 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN after presetafter duration. automatically lights turn off lightsturn onbutwill Require userto manually unoccupied. completely whenaspace is the lights from off turning dimming controls to keep with used inconjunction space. sensorscanbe Some motionwithina detecting Turn lights on andoff by also dimlights. lights offandon,others can some photosensors justturn .detected While a lighting system basedon adjust thelight outputof Photosensors automatically Glossary controlled lighting. sensor vacancy Install rooms/break rooms: Private offices/conference controlled lighting. sensor occupancy Install Restroom/copy/storage: lights andpersonalitems). (computer monitors, task to control plugloads controlled plugstrips sensor Use occupancy Workstations: utilize daylighting controls. Where daylight ispresent, officeOpen areas: Guidelines V Occupancy PHOTOCELL CONTROLS acancy

sensors

sensors

DAYLIGHTING GUIDE For theCommercial Office follows: designer, the lighting designer, engineer. andtheelectrical considerations Critical are as for design andintegrationResponsibility photo-controls occurs at thenexus oftheinterior occupant control oflighting isnotrealistic. areas where to isexpected behighover daylight performance time, andwhere individual present to save inaneffort energy. Automated lighting controls shouldbe prioritized to that are controlled together viaaphotocell to reduce light outputwhendaylight is A daylighting “control zone” isagroup inlocations offixtures ofsimilardaylight availability technology. inbuildingcontrols responsibility for herinterior environment isthestate-of-the-art occupant An intervention. empowered, educated, andmotivated buildinguserwhotakes intensity have causednumerous photocell lighting controls systems to bedisabledvia occurs slowly, however, transitions andunexpected inlightand distribution jarring We that thehumaneye know adaptsto awiderange oflight levels ifthetransition change. their tolerance for automated light outputwhendaylight transitions conditions inelectric the identification oftheir ofuser expectations role inoperating thelighting system and step inintegrating thelighting design andcontrols withthedaylighting strategy includes applied effectively photocell lighting controls cansave substantial lighting power. Acrucial lighting inareasis that withdaylight theelectric willbeunderphotocell control. When inthediscussionofdaylightingImplicit inthecontext ofanoffice tenant improvement ELECTRIC LIGHTINGANDCONTROLSELECTRIC INTEGRATION opportunity for automated photocellopportunity control lighting inanoffice ofelectric TI. Generally, shared openoffices areas, privaterather than offices, providethebest Tip • • • • • • Organizing Lighting Control Zones What light levels willthe transition transitions feel between electric like? zone orlayer oflight? Will otherlight sources ofthephotocell interfere withtheability to control aparticular luminous experience ofthespacedaylight orzone typical conditions? during Is thephotocell placed inalocation where what it “sees” isrepresentative ofthe What are themaintained illumination levels? Who isresponsible for doingthiswork? What isthereference location for calibration andcommissioning ofeachzone? 8 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN Daylighting.html com/Seattle/Resources/ www.integrateddesignlab. Application Guid Control Design and Practice Guide&Daylighting for Lighting Control Best www.wattstopper.com Search Resources sensors. occupancy for rebates associated with Check withyour localutility rooms are notbeingused. offlightsturning whenthe energy savings simplyby sensors provideOccupancy Rebates by asmuchonethird. energy cost canbereduced commercial office’s total daylighting strategies, a incorporatingBy optimal due to the heat itcreates. requires additionalcooling daylighting already exists, it perimeter zone where used to light anoffice’s lighting Not onlyiselectric consumption. of thenation’s electricity between 35%and50% lighting comprises Electric Facts Lighting W attstopper Design e L ab DAYLIGHTING GUIDE For theCommercial Office occupant acceptance ofautomated controls. will minimize thisperception andto includeaccent to increase ortasklighting that serve something is “wrong.” for lighting designers toThis that choosefixtures isanopportunity andperceive that is that occupants (off) that seefixtures are obviously de-energized occupants disablingtheircontrols systems. Another common source ofdissatisfaction associated inoffice withstep-switching environmentsoften has resultedirritated in is notnoticeable to mostoccupants. The andsuddenchangeinlight unexpected levels appropriate choice. This isbecause thetransition inlight level isgradual enough that it For mosttraditional shared openoffice environments continuous dimmingisthe whenlampsaredistribution off. turned This requires multiplecircuits to eachluminaire andproduces inphotometric ashift ofaballastleadsto1 ormore off ofitslamps. theturning lamps, where thede-energizing Step-switching that offer between 100%outputandoff. multiplesub-steps maintains theluminaire’s photometric distribution. There ballasts are somestep-dimming 100%/50%/off, whichoffers a second light level toALLlampswithintheluminaire, which predetermined lower level through theuseofasecond circuit to thelamp. Oneexample is Step-dimming low enddimmingrange goesdown. 20%, 10%,5%or1%dependingontheballasttype.goesupas Ballastcost typically lowers thelight outputofitslamps from amaximum100%outputto alow endof50%, Continuous dimming The variouscontrol optionsinclude: ZONE F Control lightingwhendaylightispresent; Electric creating smallloads. ZONE A is achieved by usingasinglecircuit that “dims” itslampsto a isachieved by usingmultipleballasts/multiplecircuits, eachattached to ZONE K isachieved by usingasingleballast/singlecircuit that continuously ZONE G ZONE B ZONE M

DAYLIGHT ZONE DAYLIGHT ZONE ZONE H ZONE C ZONE I ZONE D ZONE L ZONE J ZONE E N 9 CONCLUSION ELECTRICAL CONTROL SYSTEMS INTEROR WORKSTATION WINDOW SPACE PROGRAMMING INTRODUCTION LIGHTING & OCCUPANT SURFACE PANEL DESIGN COVERING PLANNING CONTROLS ACCEPTANCE FINISHES DESIGN www.betterbricks.co window.pd com/ldlnewsRefining_the_ www.lightingdesignlab. www.daylighting.or Search for “daylighting www.wbdg.org/resources Building Daylighting” inCommercial Search for “Lighting and buildings www.eere.energy.gov/ Resources Better Refining L C D Design Whole Renewable E E US Department ighting fficiency nergy borativeolla aylighting

s bricks Guide , E , Building

D the nergy f & esign Energy

Window

of g

L m a

”

b, DAYLIGHTING GUIDE For theCommercial Office † † † † † † † † project. significant influence in realizingthe daylighting potential in any tenant improvement The interior designer, withothersonanintegrated inpartnership design team, has tasks.accomplish necessary This setofrelationships includes: an individualworkstation andthespecificneedsofapersonthat willusethat space to anditspatternsrelationships ofillumination at thesky themacro that connect scalewith However,the visualtaskstheysupport. between design there isacommon linkage Daylighting widelyamongprogram design goalsand aspirations vary elements and † † † † † † † † CONCLUSION Checklist Items Checklist performance together to light helpreduceperformance output. electrical Integrate alighting control system into thespace. Zone areas withsimilardaylight perimeter window. Plan for openoffice workstationpanels tobe42” or lower where they are parallel tothe inthespace. balanced luminosity daylighting butalsosupport lighting & ofelectric themaximumefficiency Choose interior finishesthat will support where required. needsare Privacy alsoaconsideration withwindowcovering selection. theappropriate windowcoveringSelect for thespace to diffuselight orglare whenand plan. Align theprogram for criteria eachspace withthemostdesirable location onthefloor onthefloorplan. Diagram outthedaylighting andviewopportunities created by adjacent buildings. where &whenthedaylighting enters thespace, potential offoforshading reflection asiteDo visitto understandtheexisting conditions thehoursofoccupancy: during daylightingDetermine for andviewcriteria eachprogram element. • • • • • • • • the direction one faces when performing visualtasks onefacesthe direction whenperforming And ultimately theorientation oftheoccupant withintheirworkstation oroffice; includingworkstation furnishings Interior panellayout andtheirluminousproperties The interior surfaces Architectural elements andwindow coverings for glare control andthermal sizes and locations Building aperture The depthofthefloorplate The massingandorientation ofthebuilding(orspace withinthe building) The asalight source site andsky 10