IES Faculty BIM Integration with IES 6 th September 2011 Dr Sarah Graham B Eng, C Eng MCIBSE, Eng D UK Sales Manager T: C:

0930 – 0940 Welcome and Introduction SG 0940 – 1030 BIM Integration Overview SG 1030 – 1100 The Issues 1100 – 1110 Comfort Break 1110 – 1145 Understanding Complexity 1145 – 1230 Question and Answer Overview

BIM (Building Information Modelling) −A process of generating and managing building data during its life cycle. It can use three-dimensional, real-time, dynamic building modelling software to increase productivity in building design, construction and maintenance period. −“ A model-based technology linked with a database of project information” according to American Institute of Architects What is BIM?

Multiple models into a “composite model” What is BIM? Energy Model Composite Model Architectural Model Structural Model Electrical Model Plumbing Model BIM (linked with phasing, sequencing, construction schedule) Mechanical Model Graphical information -3D objects visual in the model Non-graphical information - Performance data Linked information - Schedule & cost information Cost Model Compliance Model Other Model

BIM process- a collaborative process Building Owner f Architecture Contractor Civil Engineering Facilities Manager Construction Manager Electrical Engineer Mechanical Engineer BIM f Integrated Design Process

Conventional design process Building design process Master Planning Concept Design Schematic Design Detailed Design CompletionIn use Performance analysis tool Contractors, construction manager, commissioning authority, cost estimator Mechanical, electrical, & civil engineers Mainly architect, structural engineer & clients Planning staff, clients community member Architect & clients A linear design process Users

Conventional design process Construction Tender documentation Detailed Design Schematic Design Concept Design Consultation & Engagement Project start completion ConstructionConstruction Documents Detailed Design Schematic Design Time Effort

Integrated design process Building design process Traditional Effort Time Construction Documents Detailed Design Schematic Design Construction Key elements of integrated design process Inter-disciplinary collaboration between architects, engineers, cost consultants and facility managers from the beginning of the design process Discussion of the various important performance issues and the establishment of a consensus on this matter between client and designers Budget restrictions applied at the whole building level, with no strict separation of budgets for individual building systems. Involvement of specialists (e.g. energy engineering, energy simulation, daylighting, comfort) Data sharing Clear articulation of performance targets and strategies, to be updated throughout the process by the design team Documentation and transparency of design decisions

Integrated design process Measurement & verification Building design A multi- disciplinary design team Concept design Master planning Schematic design Detailed design Completion In use process Building Performance analysis tool Mater plan modelling Conceptual modelling Parametric modelling Load/Energy modelling Predictive/incentive modelling Compliance modelling A multi-disciplinary design team Landscape architect Ecologist Architect Energy specialist Structural engineering Civil engineering Mechanical engineer Electrical engineer Plumbing engineer Other specialists(fire, acoustics, daylighting, controls, etc.) Facility manager Contractor Construction manager Cost estimator

Building design process Master Planning Concept Design Schematic Design Detailed Design CompletionIn use Climate Locality Site features Nat resources Urban form Urban solar Urban light Visualise Brief consequences Building type Climate & bldg type Building form Footprint headlines Headline design directions Headline sustainability directions Visualise Baseline solution Baseline outcomes Footprint Scheme directions Building solar Building light Renewable directions Sustainability directions Basic loads Compliance directions Visualise Brief refinement Detail definitions Systems HVAC Air flows Building detail feature design Loads – steady state Energy – dynamic Plant size Optimisation Energy compliance Sustainability compliance Certification CFD etc studies Visualise Certification Energy in use Re-certification Controls Re-furbish & improve

Integrated approach to project delivery model of the Scottish Parliament Building Project location: Glasgow Master planning What if climate change? 2050?

Integrated approach to project delivery model of the Scottish Parliament Building Concept design Sketch model VE model VE models with different glazing percentage

Integrated approach to project delivery Schematic design VE model with 20% glazing Suncast EPC Thermal result Radiance MacroFlo Apache System

Integrated approach to project delivery Detailed design CFD HVACCost Plan Suncast Simulex EPC Radiance

Model Merge Original Model Room Data New Model Room Data Changes to Imported Geometry are Updated in Model Without Overwriting Input Data

Autodesk Revit Architecture 2008, 2009, 2010, 2011 Autodesk Revit MEP 2008, 2009, 2010, 2011 ArchiCAD via gbXML Microstation, Allplan via gbMXL Google Sketchup 6 & 7 Google Sketchup Pro 6 & 7 The benefits…. …don’t have to rebuild geometry to run analysis …the potential to change the dialog between architects and engineers What does software does IES work with? Graphisoft ArchiCAD gbXML Other gbXML

IES VE: Autodesk Revit Plug-in Updates gbXML How it works: 1.Draw Geometry in Autodesk Revit 2.From the Revit Toolbar: Set Building Location Define Building Parameters: Building Type Construction Materials Building System Types Room Types 3.Launch IES VE-Toolkits/VE-Pro 4.Choose Analysis Type

gbXML Hierarchy

Adjacencies We spoke about the importance of ‘rooms’. Within Revit, you can define a wall to be an exterior wall, but this will mean nothing when it comes to the gbXML translation. The only way a wall is recognized as an exterior vs an interior wall is by their adjacencies. So for an element to be defined as ground floor slab, it is a horizontal surface adjacent to a room (otherwise it is a shading device) that is not in contact with any room below. For a floor, it’s a horizontal surface that is in contact with a room above and below. For a roof, it’s a horizontal surface that is not in contact with any room above. Exterior walls are vertical surface that is not in contact with an adjacent room on one side

Adjacencies

Keep It Simple Keep your geometry as simple as possible! Is this geometry absolutely necessary for the type of analysis I am running? Can I eliminate anything from my model? (Purge unused, etc) There are often thousands of shading surfaces in a Revit file. If you are doing a daylight analysis, are the 4 cm mullions going to affect the outcome? They will affect the runtime significantly.

Basic Modelling - Columns

Basic Modelling – Problem Wall Conditions

Basic Modelling – Shading Elements

Basic Modelling – Openings

IES VE: gbXML “Healing Tools”

Software Suite Integrated sustainable building design analysis tools Dr Sarah Graham