NarrativesA William McDonough Partners design processSlide 3Did WMP achieve sustainable balance?A Walt Disney Concert Hall design & construction processThis process was time-consuming and error-prone.This process was iterative.Did the WDCH team achieve sustainable balance?Research QuestionThe narrative structure of AEC projectsAEC professionals could benefit from a methodology to:Slide 12POD: AEC project model frameworksSlide 14POD: Representation formalismsPOD: ReasoningPOD: Process modelsNarratives: Building on Points of DepartureFormalizing the dependencies between representationsA Narrative to automatically generate deck attachmentsEvidence for power: Designing deck attachmentsEvidence for generalityJohn Haymaker, CEE 214, 2009Narratives : A simple, formal methodology for achieving sustainable balanceJohn Haymaker, PhD, AIA, LEED cpCollaborators: Martin Fischer, John Kunz, Ben SuterM.A. Mortenson, Walt Disney Imagineering, CCC, Gehry Partners, William McDonough Partners, CSIRONarrativesReasoning RepresentationNarrativeJohn Haymaker, CEE 214, 2009People Unit size TotalOffice room 1 O1 4 10 40Office room 2 O2 1 20 20Open office O3 3 12 368 0 96Units Unit size TotalOffice storage, etc. A1 1 10 10Office archive A2 1 8 8Copy, printers, etc A4 1 10 10Meeting space N1 1 25 254 0 53People Total8 0 149CS DepartmentCorporation Service DepartmentOffice spaceTotalSupport activitiesTotalProgramDefine client requirementsDefine siteDefine regulatory requirementsINTERNATIONAL BUILDING CODE (2003)…404.8 Travel distance. In other than the lowest level of the atrium, where the required means of egress is through the atrium space, the portion of exit access travel distance within the atrium space shall not exceed 200 feet …Propose atrium Proposetraditional1. SHEET PILE FOUNDATION, DIKE, & SITE $146,2852. TANKS $127,2203. PIPING SYSTEM $65,5434. PUMPS, DISPENSER, POWER, CONTROLS, ETC. $60,0005. MISC ELLA NEOUS $33,9856. OVERHEAD $137,8007. FREIGHT $94,3478. CONSTR UCTION SUB -TOTAL $665,1809. DESIGN AND PERMITTING $100,00010. CONSTRUCTION MANAGEMENT $100,00011. PROJEC T SUB-TOTAL $865,18012. CONTINGENCY $173,03613. TOTAL PROJECT COST $1,038,216Analyzefirst costLighting Energy Cost No DaylightingLighting Fraction SavedLighting Energy Cost W / DaylightingReduced Maint. CostReduced HVAC CostsNet Cost Savings1st Floor @ 70,000 SF14,700 58% 8,526 635 910 7,9252nd Floor @ 61,000 SF12,858 82% 10,544 760 1,125 9,495Combined 131000 SF20,280 69% 19,070 1,395 2,035 22,500Analyze life-cycle costAverage Illuminance Footcandles (FC) 9AM / 3PM Noon 9AM / 3PM Noon 9AM / 3PM NoonNear Atrium 50 - 60 100 - 110 125 - 140 190 - 210180 - 200 320 - 340Center 45 - 55 70 - 80 95 - 105 150 - 160140 - 150 250 - 270Near Perimeter 45 - 55 90 - 100 100 - 120 160 - 180150 - 170 275 - 295Estimated Likely Illuminance in FootCandles for Upper Level on Overcast DayAverage Illuminance Footcandles (FC) 9AM / 3PM Noon 9AM / 3PM Noon 9AM / 3PM NoonNear Atrium 30 - 40 55 - 65 70 - 80 110 - 12095 - 115 180 - 200Center 40 - 50 80 - 90 90 - 110 140 - 160130 - 150 210 - 230Near Perimeter 70 - 80 130 - 140 150 - 170 235 - 255220 - 240 380 - 420Estimated Likely Illuminance in FootCandles for Lower Level on Overcast DayDecemberSeptember / MarchJuneDecemberSeptember / MarchJuneAnalyze daylightMost LikelyProductivity % ImprovedAbsenteeism % ImprovedCost Benefit 1 $Daylighting4 9 1,581,000Analyze Productivity and AbsenteeismLighting Energy Cost No DaylightingLighting Fraction SavedLighting Energy Cost W/ Daylighting1st Floor @ 70,000 SF14,700 58% 8,5262nd Floor @ 61,000 SF12,858 82% 10,544Combined 131000 SF20,280 69% 19,070AnalyzeenergyDecide on AtriumReduced Energy Loads: approx. 70% of lighting energy is saved in areas where daylightingis employed. In addition, electric lamp replacement and cooling loads are reduced. Increased Productivity: Worker productivity has increased Reduced absenteeism: Workers remain more alert, and are absent less, under natural lighting conditions.Simple Payback: 5.9 yearsDaylightingPeople Unit size TotalOffice room 1 O1 4 10 40Office room 2 O2 1 20 20Open office O3 3 12 368 0 96Units Unit size TotalOffice storage, etc. A1 1 10 10Office archive A2 1 8 8Copy, printers, etc A4 1 10 10Meeting space N1 1 25 254 0 53People Total8 0 149CS DepartmentCorporation Service DepartmentOffice spaceTotalSupport activitiesTotalProgramINTERNATIONAL BUILDING CODE (2003)…404.8 Travel distance. In other than the lowest level of the atrium, where the required means of egress is through the atrium space, the portion of exit access travel distance within the atrium space shall not exceed 200 feet …1. SHEET PILE FOUNDATION, DIKE, & SITE $146,2852. CONCRETE $127,2203. SUPERSTRUCTURE $65,5434. ENCLOSURE $60,0005. FINISHES $33,9856. OVERHEAD $137,8007. FREIGHT $94,3478. CONSTRUCTION SUB-TOTAL $665,1809. DESIGN AND PERMITTING $100,00010. CONSTRUCTION MANAGEMENT $100,00011. PROJECT SUB-TOTAL $865,18012. CONTINGENCY $173,03613. TOTAL PROJECT COST $1,038,216Average Illuminance Footcandles (FC) 9AM / 3PM Noon 9AM / 3PM Noon 9AM / 3PM NoonNear Atrium 50 - 60 100 - 110 125 - 140 190 - 210180 - 200 320 - 340Center 45 - 55 70 - 80 95 - 105 150 - 160140 - 150 250 - 270Near Perimeter 45 - 55 90 - 100 100 - 120 160 - 180150 - 170 275 - 295Estimated Likely Illuminance in FootCandles for Upper Level on Overcast DayAverage Illuminance Footcandles (FC) 9AM / 3PM Noon 9AM / 3PM Noon 9AM / 3PM NoonNear Atrium 30 - 40 55 - 65 70 - 80 110 - 12095 - 115 180 - 200Center 40 - 50 80 - 90 90 - 110 140 - 160130 - 150 210 - 230Near Perimeter 70 - 80 130 - 140 150 - 170 235 - 255220 - 240 380 - 420Estimated Likely Illuminance in FootCandles for Lower Level on Overcast DayDecemberSeptember / MarchJuneDecemberSeptember / MarchJuneLighting Energy Cost No DaylightingLighting Fraction SavedLighting Energy Cost W/ Daylighting1st Floor @ 70,000 SF14,700 58% 8,5262nd Floor @ 61,000 SF12,858 82% 10,544Combined 131000 SF20,280 69% 19,070Most LikelyProductivity % ImprovedAbsenteeism % ImprovedCost Benefit 1 $Daylighting4 9 1,581,000Lighting Energy Cost No DaylightingLighting Fraction SavedLighting Energy Cost W/ DaylightingReduced Maint. CostReduced HVAC CostsNet Cost Savings1st Floor @ 70,000 SF14,700 58% 8,526 635 910 7,9252nd Floor @ 61,000 SF12,858 82% 10,544 760 1,125 9,495Combined 131000 SF20,280 69% 19,070 1,395 2,035 22,500A William McDonough Partners design processReduced Energy Loads: approx. 70% of lighting energysaved in