Task 2 & 3- Site Visit and Case Study.

TBP120 - Total Building Performance

04/08/2023

1

Prepared by Mitch Torpy, David Robin and Lachlan Porteous.

Part 1 Site Visit – Bunnings warehouse, South

Oakleigh

Total Building Performance Measurement Building Materials vs TBP

Occupant Comfort Occupant Feedback

Performance Measurement Methods04/08/2023

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Overview

Part 2 Case Study – Healthy/Sick Building

Syndrome

Environmentally Sustainable Design Construction Process

Building Process Design Principles

Performance Measurement Methods Investment

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Overview

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Introduction

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Part 1Site Visit – Bunnings warehouse, South

Oakleigh

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Bunnings Warehouse Introduction

Address: 1126 Centre Road, South Oakleigh, Melbourne

•Single span warehouse

•7,800 m2 floor area

Checklist features:

Greenhouse Emissions Energy Usage Safety Data – Lost time injury frequency

rate Water consumption Waste Materials

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Bunnings TBP Measurement

Reduced electricity consumption by 35%

Carbon neutral program

Reduce water consumption by 7.4% YOY

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Building Materials vs Total Building Performance

Water Storage 

Lighting – Dimmable Metal Halide     Heating – gas fired tube radiant heating

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Building Features – Energy Efficiency

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Occupant’s Comfort

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Occupant’s Feedback

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TBP Measurement Methods & Techniques

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Part 2Case Study –

Healthy/Sick Building Syndrome

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Case Study Intro

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Introduction to Investors- Environmentally Sustainable Design (ESD)-

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Construction Processes

Starts here ! Ends here !

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Building Processes

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Inadequate ventilation Chemical contaminants from indoor sources

Chemical contaminants from outdoor sources

Biological contaminants

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Causes of indoor air quality problems

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Hot or cold environment Draughty or stuffy environment Ergonomic factors such as workstation

design or adjustability, lack of space or poor lighting

Noise or vibration Nuisance odours Work overload

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Indoor Air Quality Problems

Indoor Air Quality

Spatial Environment

Visual Comfort (Views outside,Minimise glare, Adequate Lighting)

Thermal Comfort Acoustic comfort Building integrity

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Effective Design Principles of Internal Space

Natural Ventilation,

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Design Principles for “Healthy Buildings”

Sick Building Syndrome (SBS) Symptoms

Poor indoor environment HVAC

Decreased building value

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Affects from “Poor” Design Principles

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Bunning's building are they poorly designed ?

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?

Bunning’s are they poorly designed ?

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They are of course well ventilated and have adequate lighting but?

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So how much dust ?

Timber? Cement? MDF? ???

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Open ends and well ventilated encourages strong breezes !

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Hard floor surfaces !Are not conducive to healthy workers

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Over crowding is another issue in poor design

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Regular servicing

Absenteeism

Productivity

Physical testing

Occupant testing

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TBP Measurement Methods & Techniques

AS/NZS 1668 The Use of Ventilation and Air Conditioning in Buildings

AS/NZS 3666 Air-handling and water systems of buildings

BCA 2010- Part J1 Building Fabric, Part J 3 Building Sealing, Part J4 Air Movement, Part J5 A/C & Ventilation Systems, Part J6 Artificial Lighting & Power

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Relevant Standards

Life Cycle Costing

Long Term cost savings

Increased resale value

Reduced downtime

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Why Invest (new buildings)?

Improved operating costs

Increased productivity

Better Energy Efficiency

Cost to community (sickness)

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Why Invest (to retrofit)?

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Conclusion

Thank you for listening to our presentation.

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Questions???

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REFERENCES