January 2013 BIM the cost of sustainability BIM And the cost of sustainability Delivering sustainability

January 2013 BIM the cost of sustainability Introduction This is a case study of a PassivHaus primary school that has been collaboratively designed, built and operated. For a modest capital investment PassivHaus generates very low: Power consumption kW Utility bills (revenue costs)£ Carbon emissionsCO 2 The tools required include: Collaboration Benchmarking Life cycle cost Building Information Modelling Facilities management

January 2013 BIM the cost of sustainability Collaboration QS Main contractor Client Sub contractor FM ArchitectStructuralMEP PM

January 2013 BIM the cost of sustainability Design, Build, Operate

January 2013 BIM the cost of sustainability BIM Collaboration Information is added to the same model as the design progresses. The coordinator can merge the separate files by converting to IFC “common” file format The Design & Build contractor can add supply chain information The client owns the completed BIM and amends with refurbishment and adaption Data enrichment Main contractor Client Specialist sub contractor FM ArchiCad Architecture TEKLA Structural Bentley Systems MEP Quantity extraction

January 2013 BIM the cost of sustainability Benchmarking

January 2013 BIM the cost of sustainability Benchmark: Capital The Cabinet Office has published benchmarks Secondary school of 8-10,000 m² is average £ 2,158/m² This school (Primary) 2,400m² £ 2,077/m² “More for less” “Good is good enough” 20% savings in capital cost “More for less” “Good is good enough” 20% savings in capital cost

January 2013 BIM the cost of sustainability Benchmark: power, revenue and carbon CIBSE has produced benchmarks for power consumption and carbon emissions. Schools and seasonal public buildings Previous school F 260 kW/m² AverageD 190 kW/m² TargetB 120 kW/m² (less than half) Utility cost per annum£11,000 (previous £27,000) Carbon emissions73 tCO 2 (previous 190)

January 2013 BIM the cost of sustainability Life cycle cost Capital Maintenance Replacement Operation

January 2013 BIM the cost of sustainability Framework “J” curve With a framework the supply chain can afford to invest, gain experience and improve

January 2013 BIM the cost of sustainability Cost benefit analysis Capital cost Project 12%(+) £108,000 Project 21%(+) £54,000 Project 30%(+) £0 Revenue savings power consumption (-) 120 kW/m²pa Utility bills (-) £16, k Carbon emissions(-) 105 tCO t Payback 8,4,0 years

January 2013 BIM the cost of sustainability Building Information Model

January 2013 BIM the cost of sustainability Building Information Models

January 2013 BIM the cost of sustainability 3D, 4D and 5D 3D AArchitecture SStructural MEMechanical Electrical and Plumbing 4D W+TIME planning and construction simulation 5D Q+COST (Capital, life cycle & FM)

January 2013 BIM the cost of sustainability Benefits All information in one fileCo-ordinated collaboration VisualisationHigh level reporting to management Clash detectionSolving problems before site Building performanceDaylight, heat loss, reverberation Standard component libraryCreate a standard specification Lean construction economies of scale Standard format for dataReuse and transfer of information Client operational dataRefurbishment / adaption / space planning

January 2013 BIM the cost of sustainability Click on “Family” for Information including length, area and volume. “Family” information

January 2013 BIM the cost of sustainability “Family” additional parameters +QS, PM, BS and FM data Capital rates Life cycle cost (anticipated life expectancy) Carbon reduction Capital allowances Programming and phasing Building reinstatement cost Health & safety Client accountancy coding Asset registers Trade package coding Risk management Facility management planning Material scheduling

January 2013 BIM the cost of sustainability “Family” design options and level of detail “Level of detail” 1 Concept 2 Schematic 3 Technical Alternative> Doors: Timber, metal, glass etc. Boiler: Biomass, Gas, CHP.

January 2013 BIM the cost of sustainability Revit plus Designers Cost, time and carbon Revit file (*.rvt) ObjectPositionFloorX (m) Y (m) Z (m) TrussA:A AHUA:A DoorB:B1: ObjectRate £ Life Years Material Truss50070Steel AHU100015Copper Door30045Hardwood Supply chain Family files (*.RFA) Architect Structure M&E QS & PM Application Programming Interface (API) Revit Program SQL Database

January 2013 BIM the cost of sustainability RLBIM API “add in” x

January 2013 BIM the cost of sustainability RLBIM: import RLB database RLBIM External database (NRM description library). OUTSIDE of Revit but accessible from within Revit. The “primary key” is the same assembly code as used within Revit RLBIM External database (NRM description library). OUTSIDE of Revit but accessible from within Revit. The “primary key” is the same assembly code as used within Revit

January 2013 BIM the cost of sustainability Capital cost plan in Revit And Elemental Breakdown

January 2013 BIM the cost of sustainability RIBA plan of works: COBie drops ArchitectureStructuralMEP 12 Appraisal Design brief Preparation Concept Design development Technical design Design Production information Tender documentation Tender action Pre-construction Mobilisation Construction Post completion Operation RIBA Plan of WorksAB CDE FGH JK L Cobie drop Contractor Owner 435 QS COBie 3D Design ConstructionOperationsBuildingInformationExchange

January 2013 BIM the cost of sustainability Conclusion

January 2013 BIM the cost of sustainability Summary Delivering sustainability from start to finish in a cost-effective way A holistic approach to capital and revenue Collaboration Building Information Modelling Life cycle cost planning Benefits: Economies of scale and standardisation-£ Lower power consumption -kW Lower utility bills (revenue costs)-£pa Lower Carbon emissions-CO 2 “More for less” “Good is good enough” 20% savings in capital cost “More for less” “Good is good enough” 20% savings in capital cost

January 2013 BIM the cost of sustainability Delivering sustainability RLB.com