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Sustainable Urban HousingEric Soladay, PEManaging PrincipalIntegral GroupOakland, Californiaesoladay@integralgroup.comOctober 7, 2015
Integral Group 300 MEP ENGINEERSTwenty NineThe First50 Plus20 PlusMax Pointsimagine perform accelerate sustainLEED Platinum Certified ProjectsCertified Net Zero Office, Museum, Lab.Net Zero Projects in Process or CompletedLiving Building Challenge Project in Processor CompletedLEED CI (102) and LEED NC (95) Certified ProjectsINTEGRALRevolutionary Engineering
Integral Group Oakland70 Staff in OaklandMEPS EngineersEnergy & Sustainability ExpertsStarted in Jack London Squarein 1998 (Linden St) Moved to 13th & Broadway in2010 imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Transamerica Pyramid & Empire State Buildingimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Pacific Gate San Diego & Insignia Seattleimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Bosa Mission Bay - San Franciscoimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Energy Performance San Francisco Very high WWR, “clear”glass Water-cooled VRF Solar gain becomes heatsource on sunny, cooldays T24-2010 LEED v3 Silver12E Mission Bay Bosa Towersimagine perform accelerate sustainFeb 2015INTEGRALRevolutionary Engineering
Signature Propertiesimagine perform accelerate sustainINTEGRALRevolutionary Engineering
West Grand & Brush – Oakland Affordable Housingimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Visitacion Valleyimagine perform accelerate sustainINTEGRALRevolutionary Engineering
150 Van Nessimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Residential Heating OnlyHybrid System Optionsimagine perform accelerate sustainINTEGRALRevolutionary Engineering
imagine perform accelerate sustainINTEGRALRevolutionary Engineering
imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Residential Heating Summary Middle three pricing (2014)imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Jaga Convectorsimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Kettner & AshSan DiegoBosa DevelopmentWSHP – high efficiency95% eff boilersGlazing SHGC 0.18,60%WWR DHW tanks tied toboiler/HP system T24 forms could not begenerated by CBECC-COM imagine perform accelerate sustainINTEGRALRevolutionary Engineering
imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Multifamily High-Rise Energy Use – ASHRAE 90.1imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Multifamily High-Rise Energy Use – Title 24imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Jack London SquareEllis Partners & DivCo WestSolomon Cordwell Buenz Solar Thermal – over 40%solar fractionModest WWR 50%Solarban 70XL vs R100WSHP BaselineActive vs Passive CoolingApartment vs Condoimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Visualizing the Impact of Shading DesignMapping the Sunpath Diagram to the Sky Domeimagine perform accelerate sustainINTEGRALRevolutionary Engineering
North(east) Facade(south)EastSouth(north)West(west)imagine perform accelerate sustainFacadeFacadeINTEGRALFacadeRevolutionary Engineering
Base Building – Thermal ComfortWestWest Façade Strategy:60% WWR, SHGC 0.28South Façade Strategy:60% WWR, SHGC 0.28SouthHours too hot without Air Conditioning: 113West Facing Hemispherical View / Center Of GlassIndicates annual solar exposure for a typical west facingwindowimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Shading Strategy 1 – Thermal ComfortWest Façade Strategy:South Façade Strategy:West9” Deep Vertical FinsHorizontal LouversSouthHours too hot without Air Conditioning: 85West Facing Hemispherical View / Center Of GlassIndicates annual solar exposure for a typical west facingwindowimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Shading Strategy 2 – Thermal ComfortWest Façade Strategy:South Façade Strategy:18” Deep Vertical FinsHorizontal Louvers JulietteBalconyWestSouthHours too hot without Air Conditioning: 51West Facing Hemispherical View / Center Of GlassIndicates annual solar exposure for a typical west facingwindowimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Tinted Glazing – Thermal ComfortWestWest Façade Strategy:60% WWR, SHGC 0.22South Façade Strategy:60% WWR, SHGC 0.22SouthHours too hot without Air Conditioning: 86West Facing Hemispherical View / Center Of GlassIndicates annual solar exposure for a typical west facingwindowimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Future Climate – Peak day in Current and PredictedWeather Dataimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Oakland Intl AP Dry Bulb Temperature – 2000imagine perform accelerate sustainMin:Max:32 F93 FMean:Median:57 F57 FINTEGRALRevolutionary Engineering
Oakland Intl AP Dry Bulb Temperature – 2020imagine perform accelerate sustainMin:Max:32 F98 FMean:Median:59 F59 FINTEGRALRevolutionary Engineering
Oakland Intl AP Dry Bulb Temperature – 2050imagine perform accelerate sustainMin:Max:34 F106 FMean:Median:61 F61 FINTEGRALRevolutionary Engineering
Oakland Intl AP Dry Bulb Temperature – 2080imagine perform accelerate sustainMin:Max:36 F111 FMean:Median:63 F64 FINTEGRALRevolutionary Engineering
Design for Durabilityimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Design for DurabilityCondominium buildingreplacement, maintenance,and operational expenses.Wall Assembly Durability(before maintenance):Masonry StoneFramed WallCurtain Wall40-50 yrs25-30 yrs15-20 lagued-by-high-maintenance-costs-2014-06-12imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Façade Directions – Thermal Comfort ResultsBase Glazing Strategy: 60% WWR, SHGC 0.28NHours Uncomfortable:17Peak Temperature:88 FHours Uncomfortable:35Peak Temperature:Hours Uncomfortable:10Peak Temperature:86 F86 Hours Uncomfortable:22Peak Temperature:Hours Uncomfortable:85 F54Peak Temperature:91 FHours Uncomfortable:86Peak Temperature:imagine perform accelerate sustain92 FINTEGRALRevolutionary Engineering
Façade Directions – Thermal Comfort ResultsHigh Performance Glazing : 60% WWR, SHGC 0.20NHours Uncomfortable:9Peak Temperature:85 FHours Uncomfortable:10Peak Temperature:Hours Uncomfortable:4Peak Temperature:84 F84 Hours Uncomfortable:5Peak Temperature:Hours Uncomfortable:82 F32Peak Temperature:87 FHours Uncomfortable:52Peak Temperature:imagine perform accelerate sustain89 FINTEGRALRevolutionary Engineering
Façade Directions – Thermal Comfort ResultsTypical YearN 80 F 82 F88 F85 FPeak Temperature91 F86 FPeak Temperatureimagine perform accelerate sustain87 F84 FPeak Temperature92 F87 FPeak TemperatureINTEGRALRevolutionary Engineering
Façade Directions – Thermal Comfort ResultsExtreme Hot YearN 80 F 82 F98 F94 FPeak Temperature99 F94 FPeak Temperatureimagine perform accelerate sustain95 F92 FPeak Temperature97 F92 FPeak TemperatureINTEGRALRevolutionary Engineering
Future Climate – Indoor Operative TemperatureSoutheast Façade Cornerimagine perform accelerate sustainINTEGRALRevolutionary Engineering
imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Thermostat controlled ceiling fans120 fpm airflow60 fpm airflowimagine perform accelerate sustainINTEGRALRevolutionary Engineering
CoolZone PCM Ceiling Tile by ArmstrongCoolZone incorporates BASF Micronalphase change material (PCM) intoArmstrong’s plain metal ceiling tiles.imagine perform accelerate sustainINTEGRALRevolutionary Engineering
Cool-phase by Monodraught – PCM batteries to avoid mechanical cooling.http://www.cool-phase.net/imagine perform accelerate sustainINTEGRALRevolutionary Engineering
1700 WebsterGerding EdlenPerkins Will First ground up projectin Bay Area LEED v4 Gold target Water savings to besignificant goalimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Multifamily High-Rise Water Useimagine perform accelerate sustainINTEGRALRevolutionary Engineering
Thank you!Eric Soladay, PEManaging PrincipalIntegral GroupOakland, Californiaesoladay@integralgroup.comimagine perform accelerate sustainINTEGRALRevolutionary Engineering
LEED Platinum Certified Projects . The First. Certified Net Zero Office, Museum, Lab. 50 Plus. Net Zero Projects in Process or Completed . 20 Plus. Living Building Challenge Project in Process or Completed . Max Points. LEED CI (102) and LEED NC (9
