Architype - Green BIM UK Perspective, NTU Taipei, 13 February 2014

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Information about Architype - Green BIM UK Perspective, NTU Taipei, 13 February 2014

Published on February 27, 2014

Author: ElrondBurrell



Building Information Modelling (BIM) is rapidly becoming the industry standard in building design globally. The UK government has announced that all centrally procured constructions projects need to use BIM by 2016 and expect this to reduce capital cost and the carbon burden from the construction and operation of the built environment by 20%. In Taiwan, the Head of the Construction and Planning Agency (CPA) announce that Taiwan government will support BIM development in public policy.

Architype are leaders in the the field of Sustainable / Green Architecture and are earlier adopters of BIM in their green design processes, particularly with regard to delivering radical reductions in energy consumption & carbon emissions.

Elrond Burrell, Associate at Architype, was invited to present a UK perspective on Green BIM at the National Taiwan University in Taipei on 13 February 2014. The BIM meeting was hosted by Prof. Shang-Hsien (Patrick) Hsieh and held in the Civil Engineering Research Building

Green BIM 13 February 2014, National Taiwan University, Taipei UK perspective

Elrond Burrell 趙晨瀚 Associate, Architype Ltd

We design Life Enhancing" Genuinely Sustainable Architecture

Overview 1. The Rise of BIM 2. UK Government + BIM 3. UK Green BIM 4. Architype Green BIM

1. The Rise of BIM

BIM isn’t new!

Why now? 1. Software & Hardware capabilities 3d Modeling Structured Information Digital Collaboration

Why now? 2. Digital / Social Media ‘Tsunami’ Digital everything Social everything … will the construction industry catch up?

2. UK Gov + BIM

EU Directive Energy Performance of Buildings Buildings consume 40% of energy in EU By 2018 All new public buildings “Nearly Zero-Energy” By 2020 All new buildings “Nearly Zero-Energy”

EU Directive

UK Gov Strategy

UK Gov Strategy

UK Gov Purpose 20% reduction in capital costs 20% reduction in CO2 emissions + reliable outcomes + predictable building (asset) performance

UK Gov BIM “Building Information Modeling (BIM) is the process of generating and managing information about a built asset over its whole life.” Cabinet Office 2012


BIM Protocols

3. UK Green BIM Aspirations & Reality

Aspirations EPDs linked to Models Model based Green Rating compliance check The RegBIM project using IFC underway

Reality … ? Model based Embodied Carbon + Lifecycle Analysis Impact specification / database

Reality … ? Model linked Responsible Sourcing / Environmental Impact data NBS Create specification tool using Uniclass2

Reality REM - Rapid Energy Modeling Energy Carbon Day lighting Water Wind Thermal comfort Renewable energy generation Caveats Conceptual design guidance only Not an accurate prediction of actual performance

REM example 1

REM example 2

Reality Dynamic Simulation Modeling Thermal modeling Overheating “Conservation of Fuel” regulations compliance Caveats Often not an accurate prediction of actual performance Interoperability issues often require re-modeling

DSM example

Reality Material waste reduction Accurate quantities from model Buildability issues resolved in model Caveats Is the model built for this purpose? How accurate? How resolved?

Reality Scan-to-BIM for Refurbishment ~80% of building stock exists already Accurate existing building model Early analysis of cost & carbon effective measures Risk / Cost reduction

Scan-to-BIM example

Scan-to-BIM example

Scan-to-BIM example

Reality In-Use Energy / CO2 emission reductions Accurate design data Accurate energy modeling tools Greatest climate change impact for new build Robust long term performance Significant cost savings / Best ROI Healthier buildings

4. Architype Green BIM

Passivhaus Standard “…the world’s leading standard in energy efficient design” Rigorous performance standard Quality assurance Optimal comfort (ISO 7730) Minimal energy Climate specific – works anywhere

PHPP “simplified models, precise data” Accurate Open Parametric Instant

Data 4 QA Passivhaus can be seen as a quality assurance standard that ensure that the right information is used at the right point in the process to deliver reliable robust energy performance & comfort.

BIM + Passivhaus Process + Information + Model and test - Not box ticking - Not sexy graphics - Not on site

BIM 4 Passivhaus Simple + Useful + Productive 1.  Visual interrogation 2.  Accurate Live Numerical Data

Visual Interrogation Design coordination / integration Thermal Continuity Heat Loss Envelope

Design Coordination

Design Coordination

Thermal Continuity

Heat Loss Envelope

Accurate Live Data Treated Floor Area (TFA) Actual Volumes Ventilation Volumes Heat Loss Areas Window / Door Opening Areas

Areas and Volumes

Heat Loss Areas

Opening Areas

Outcomes 2 x 65kW Boilers for a 2200m2 School 25kW peak heat demand = 5x oversized! 90% reduction in gas consumption

Fresh Indoor Air

Client Satisfaction “We feel that our children are more alert and attentive in lessons due to the amount of daylight in classrooms and the fresh air throughout the school ... learning has been enhanced” Sara Morris, Head Teacher

Bushbury Hills Primary

Oakmeadow Primary

Wilkinson Primary

Chester Balmore

Herefordshire Archive

UK’s Greenest Building University Innovation Centre

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