Vic Plant Room Nz Water, Ieq Targets

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Information about Vic Plant Room Nz Water, Ieq Targets

Published on June 12, 2008

Author: twbishop

Source: slideshare.net

Description

Jessica Bennett is currently studying towards a Master of Building Science at Victoria University of Wellington's School of Architecture, researching the affect that apartment design has on occupant health, comfort and well-being. Previously she has completed a Bachelor of Building Science with Honours researching apartment design, indoor air quality and New Zealand Building Code regulations. From 2006 she has worked part-time at BRANZ as a Building Performance Scientist, undertaking weathertightness assessments for Appraisal Certificates as well as simulation work on indoor environmental quality (IEQ), energy efficiency and climate change.

Jessica's interests include apartment design & refurbishment, occupant health, comfort & well-being, and the IEQ of buildings. Her role in The Plant Room (Wellington SHaC Team) involves providing technical information and advice as well as undertaking modelling and simulation of the proposed design.

Preparing a Technical Report SHAC 09 Jessica Bennett, Krystle Stewart, Alexandra Hills The Plant Room

SHAC Judging Criteria Energy Water Materials Waste Indoor Environmental Quality (IEQ)

Energy

Water

Materials

Waste

Indoor Environmental Quality (IEQ)

Targets and Benchmarks Energy, Water, Waste Target or Benchmark Saving a set percentage in comparison to an average or reference house Materials Principles behind sustainable material choices IEQ Quality targets based on minimum requirements for health, comfort, well-being and safety

Energy, Water, Waste

Target or Benchmark

Saving a set percentage in comparison to an average or reference house

Materials

Principles behind sustainable material choices

IEQ

Quality targets based on minimum requirements for health, comfort, well-being and safety

Setting Targets and Benchmarks What data is available for an average or reference house? What national and/or regional legislation or requirements are there? What international legislation or requirements are there? Are there best practice or case study examples we can learn from? From this, what is a realistic, achievable benchmark that pushes the boundaries?

What data is available for an average or reference house?

What national and/or regional legislation or requirements are there?

What international legislation or requirements are there?

Are there best practice or case study examples we can learn from?

From this, what is a realistic, achievable benchmark that pushes the boundaries?

Finding information Building Regulations & Legislation New Zealand/Regional New Zealand Building Code and Standards District Councils International Organisations New Zealand BRANZ, Beacon, EECA International CIBSE, IEZ, WHO Internet Search

Building Regulations & Legislation

New Zealand/Regional

New Zealand Building Code and Standards

District Councils

International

Organisations

New Zealand

BRANZ, Beacon, EECA

International

CIBSE, IEZ, WHO

Internet Search

Verifying and Achieving Targets Monitoring & Assessment Measurement Auditing Simulation Thermal/Energy Lighting Acoustics Behavioural Studies Post Occupancy Evaluations

Monitoring & Assessment

Measurement

Auditing

Simulation

Thermal/Energy

Lighting

Acoustics

Behavioural Studies

Post Occupancy Evaluations

Determining Improvement Benefits To determine potential benefits Case study information Simulations To determine cost Monetary cost Cost benefit analysis Environmental cost Life cycle assessment Embodied energy analysis

To determine potential benefits

Case study information

Simulations

To determine cost

Monetary cost

Cost benefit analysis

Environmental cost

Life cycle assessment

Embodied energy analysis

Water BRANZ WEEP Project Pilot Study Water Energy End Use Water use in 12 Kapiti Houses monitored in 2007 Reference Data

BRANZ WEEP Project Pilot Study

Water Energy End Use

Water use in 12 Kapiti Houses monitored in 2007

Water From WEEP, average internal water use estimated at 149.2 l/d/p For a 3 person home, annual water use is estimated at 163,374 l. Wellington City Council has identified that the Wellington region currently has the highest water consumption per capita of all NZ cities Based on the average water end-use, a greywater filtering system could save 60% of the summer water use and 51% of the winter water use (EcoBob) Reference Data

From WEEP, average internal water use estimated at 149.2 l/d/p

For a 3 person home, annual water use is estimated at 163,374 l.

Wellington City Council has identified that the Wellington region currently has the highest water consumption per capita of all NZ cities

Based on the average water end-use, a greywater filtering system could save 60% of the summer water use and 51% of the winter water use (EcoBob)

Water Best Practice/Case Study Examples & Benchmarks Beacon (NZ) WHO Clovelly House (Sydney) University of Arizona Total Saving 40% - 75% 65% Total Use - 70 l/p/d - - The Plant Room 98,024 l 96,650 l 40,843 l 57,180 l

Water Benchmark for The Plant Room Preliminary Target; 75% saving in water use against the reference data obtained from the WEEP Pilot Study Based on; This target draws from another inner-city sustainable project – Clovelly House Also based on the fact that currently 60% of water use is easy saved through grey filtering alone Achieved through; Greywater Filtering Water Efficient Installations Onsite Wetland to effectively deal with excess stormwater

Benchmark for The Plant Room

Preliminary Target;

75% saving in water use against the reference data obtained from the WEEP Pilot Study

Based on;

This target draws from another inner-city sustainable project – Clovelly House

Also based on the fact that currently 60% of water use is easy saved through grey filtering alone

Achieved through;

Greywater Filtering

Water Efficient Installations

Onsite Wetland to effectively deal with excess stormwater

IEQ – Indoor Temperatures Indoor Environmental Quality Indoor Air Quality (IAQ), Ventilation Lighting Acoustics Thermal Environment (Temperatures) Internal Moisture (Relative Humidity) Currently very little national data on an average house, these targets as set as minimum requirements for health, comfort, well-being and safety

Indoor Environmental Quality

Indoor Air Quality (IAQ), Ventilation

Lighting

Acoustics

Thermal Environment (Temperatures)

Internal Moisture (Relative Humidity)

Currently very little national data on an average house, these targets as set as minimum requirements for health, comfort, well-being and safety

IEQ – Indoor Temperatures Reference Data, Recommended Targets New Zealand Building Code (NZBC G5) HEEP (BRANZ) World Health Organisation Recommended Minimum Indoor Temperature Currently 16°C shall be maintained in habitable spaces, bathrooms and recreation rooms. This only applies to old people’s homes and early childhood centres. Proposed changes to the NZBC say that buildings should be designed to keep temperatures to 20° - 28.5°C (15% PPD) with 40% Relative Humidity Mean winter temperature of 10.5° - 23.8° C. Mean summer temperature of 16° - 26°C Measurements taken from monitoring of HEEP houses in New Zealand 16°C is recognized as a minimum temperature for health. 18° - 24°C is recognised as ‘comfortable’.

IEQ – Indoor Temperatures Minimum Target for The Plant Room Preliminary Target; 18° - 24°C indoor temperature range Based on; WHO minimum recommendations Currently there is no data on what New Zealanders feel comfortable in Achieved through; Appropriate passive solar design principles (i.e. thermal mass, solar gain) Occupant control of indoor temperatures

Minimum Target for The Plant Room

Preliminary Target;

18° - 24°C indoor temperature range

Based on;

WHO minimum recommendations

Currently there is no data on what New Zealanders feel comfortable in

Achieved through;

Appropriate passive solar design principles (i.e. thermal mass, solar gain)

Occupant control of indoor temperatures

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