Waverley Memorial Elementary School

LEED® Leadership in Energy & Environmental Design

Canada is among the most wasteful nations on Earth:

High energy consumption;

High water use;

High waste generation.

Why Sustainable Design?

If everyone used as much as the average Canadian, we’d need 4 more planets like Earth to generate resources & absorb waste.

Why Sustainable Design?

The Building Industry Traditional building construction

consumes:

40% of the worlds total energy use, 30% of raw material consumption,

The Building Industry Traditional building construction

consumes:

25% of the timber harvest,

35% of the world’s

CO2 emissions,

The Building Industry Traditional building construction

consumes:

16% of the fresh water used,

40% of landfill waste,

Leadership in Energy & Environmental Design (LEED)

Intended to transform the market

Promote integrated design

Recognize environmental leadership

Raise awareness

Prevent false claims – “Greenwashing”

The LEED process is a tool to look at sustainable design.

Different levels of green building certification are awarded based on credits earned in several categories including site, energy, water, material resources, and indoor environmental quality.

Certified

Silver

Gold

Platinum

Sustainable Sites

Water Efficiency

Energy & Atmosphere

Materials & Resources

Indoor Environmental Quality

Water Efficiency

8%

Energy & Atmosphere

27%

Indoor Environmental

Quality23% Sustainable

Sites22%

Materials & Resources

20%

Water Efficiency

8%

Energy & Atmosphere

27%

Indoor Environmental

Quality23% Sustainable

Sites22%

Materials & Resources

20%

LEED Canada – 7 Prerequisites, 70 points

LEED Rating System

A prerequisite must be achieved in order for a building to be certified,

regardless if it is seeking a certified, silver, gold or platinum level.

LEED Rating System

Achieving any individual credit is optional – points are awarded for achieving credits. The greater the

number of points, the higher the level of certification is awarded.

Sustainable Sites

Prerequisite: Erosion & Sediment Control

Cr. 1: Site Selection

Cr. 4: Alternative Transportation

Cr. 5: Reduce Site Disturbance

Cr. 6 Stormwater management

Cr. 7: Reduce Heat Island Effect

Cr. 8: Light Pollution Reduction

Prerequisite 1: Erosion & Sedimentation Control

Prepare an E&S Plan

Install silt fences around perimeter of property

Protect storm sewers from sediment

Protect topsoil by stockpiling for later use

Plant grass to prevent wind erosion of soil

SS Credit 4.2: Bike Storage

Bicycle storage, showers & change facilities for 5% of building occupants

SS Credit 4.4: Parking

Size parking to meet zoning requirements and provide preferred parking for car pools 

Consumes less fuel

Fewer vehicles on roads

Fewer vehicle exhaust emissions

Less area required for parking = more green space

SS Credit 5.2: Development Footprint

Designate a green space equal in area to the building footprint that will be preserved for the life of the building. 

For schools, the sports field works very well as the designated green space.

SS Credit 7.2: Heat Island Effect - Roof

Reduce the heat island effect by using reflective roofing materials  Want to learn

more about the heat island

effect? Check out this Health

Canada publication:

The Urban Heat Island Effect:

Causes, Health Impacts and Mitigation Strategies

SS Credit 8: Light Pollution Reduction

Prevent any light ‘spill-off’ from the property to both adjacent properties and upward into the night sky.

Image from http://imageshack.us/photo/my-images/213/nightskiesstellarium.jpg/

Water Efficiency

Cr. 1 Water Efficient Landscaping

Cr. 2:Innovative Wastewater Technologies

Cr. 3:Water Use Reduction

Credit 1: Water Efficient Landscaping

The landscaping does not require potable water to be maintained. The native and adapted species can survive using only rainwater.

Red MapleSugar Maple

Pin Oak

Credit 2: Innovative Wastewater Technologies

A cistern stores rainwater collected from the roof, which is then used to flush toilets and urinals. This saves more than 650,000 litres of fresh water per year!

http://www.epa.gov/oust/graphics/clipart.htm

Credit 3: Water Use Reduction

Low flow fixtures reduce water by more than 64% of a typical school. This school used one millions fewer litres of fresh water than a typical school!

http://www.epa.gov/oust/graphics/clipart.htm

Energy and Atmosphere

Prereq. 1 Building System Commissioning

Prereq. 2 Minimum Energy Performance

Prereq. 3 CFC Reduction

Cr. 1 Optimize Energy Performance

Cr. 3 Best Practice Commissioning

Prerequisite 1: Building System Commissioning

Commissioning is a process that ensures all

of a building’s fundamental systems and elements operate as they were designed

to do.

Saves energy and money

Verifies that spaces receive

adequate ventilation

Confirms that controls operate

as expected

Prerequisite 2: Minimum Energy

PerformanceA LEED certified building must be at least 25%

more energy cost efficient than the Model National Energy Code for Buildings (MNECB)

Waverley Memorial Elementary School is 46.9% more energy cost-efficient than the MNECB – this will earn 5 additional points under the “Optimize Energy Performance”

credit.

Prerequisite 3: CFC Reduction

CFC stands for Chlorofluorocarbon

CFCs are a chemical that damages the ozone layer

By using equipment that is CFC-free, we help protect ourselves against harmful UV rays

What can you do to protect

the ozone layer?

Credit 1.1: Optimize Energy Performance

WMES is 46.9% more cost efficient with regard to energy consumption than a

typical building.That’s a lot of energy being

saved!Enough to 850

100W light bulbs …

… 24 hours a day for 365 days a

year

That’s a lot of money being

saved!

About $70,000 per year

Or close to $200 per student

What do you do to save energy?

Materials & Resources

Prereq. 1 Collection & Storage of recyclables

Cr. 2 Construction Waste Diversion

Cr. 4 Recycled Content

Cr. 5 Regional Materials

Prerequisite 1: Collection & Storage of

RecyclablesEvery LEED Certified building requires a

room or area dedicated to

collecting and storing recyclables

In addition, an area outdoors is also

dedicated for storing recyclables and

compost

Cardboard

Glass

Metal

Plastic

Organics

Credit 2: Divert Construction Waste

from Landfill39.6 tonnes of

waste were removed from the

site during construction.

31.1 tonnes of this was

diverted from landfills

That’s a diversion rate of

78.5%

How much of your household

waste is diverted from the landfill?

That’s the weight of 5 adult elephants

Credit 4: Recycled Content

Some of the materials used to

construct this school contain

recycled material

Concrete blocks

Steel beams

Whiteboards

Insulation

About 23.5% of all the materials used to construct this school contain

recycled content.

Credit 5: Regional Materials

Regional materials are those that are extracted and manufactured within a certain distance from the

school

Within 800km when transported by truck

Within 2400km when transported by ship or rail

Indoor Environmental Quality

Prereq. 1 Minimum Indoor Air Quality Performance

Prereq. 2 Tobacco Smoke Control

Cr. 3 Indoor Air Quality Management Plan During Construction

Cr. 4 Low-Emitting Materials

Cr. 8.2 Views for 90% of Spaces

Prerequisite 1: Minimum IAQ Performance

This prerequisite ensures adequate fresh air is being supplied to people in the building

IAQ stands for Indoor Air

Quality

What sorts of things might affect the air quality in a

school?

Why is having fresh air in a

building important?

Prerequisite 2: Tobacco Smoke Control

This prerequisite ensures smoking does not occur near any building

openings, such as vents, doors and windows

This is easy to achieve …

… because smoking is not permitted on school property

Credit 3: IAQ Management Plan

During ConstructionIt is important to ensure everyone in the

building has clean air to breathe. This includes the workers constructing the school

Here are photos of some of the measures used to protect workers

Gravel to keep workers from tracking dirt inside … ductwork is sealed to prevent dust from entering … low-emitting materials were used … fans were used to move fresh air throughout the building … porous materials

were kept sealed until they were ready to be installed.

Credit 4: Low Emitting Materials

Ever notice that after a room is

painted, it smells bad?

This is caused by VOC’s – that’s

Volatile Organic Compounds

VOC’s evaporate at room temperature,

and our bodies (and noses) are very sensitive to

them

VOC’s aren’t good for us … so products

containing as few as possible were

used …

… Products such as paints, adhesives, sealants, glues and carpet.

Credit 8.2: Views for 90% of Spaces

Views to the outdoors are important for people in buildings … would you want to spend all day in a

room with no windows?

Windows allow people in buildings to connect

with the outdoors, while still being productive

In fact, studies have shown that having a view to the outdoors actually increases a

worker’s concentration.

Innovation in DesignPoints can be earned for innovative designs and measures beyond the scope of the LEED rating system – here is what WMES has accomplished:

Cr. 1.1 Scent-smart policy

Cr. 1.2 Exemplary performance for using Regional Materials

Cr. 1.3 Exemplary performance for Water Use Reduction

Cr. 1.4 Green Education & Demonstration Program

Cr. 2 LEED Accredited Professional

Scent Smart PolicyNo scents is good

sense.

Scented products, such as perfumes and colognes, can trigger asthmatic

reactions for people sensitive to odours

Keep your school as a safe environment for everyone and

avoid using scented products

For a list of locally available scent-free products, visit:

http://lesstoxicguide.ca/

Exemplary PerformanceExemplary performance credits are awards when the design team has gone above and

beyond the LEED standards.

Regional Materials:

39.1% of the materials used in

construction are of a regional content.

Water Use Reduction:

WMES uses 64.1% less water than a

conventional building

Green Education & Demonstration

Having seen this presentation, do you have a better understanding of what features make

your school a LEED certified building?

What is LEED?

Name some of the

“green” features in your school

What can you do to keep your school “green”?

LEED Accredited Profession (AP)

A LEED AP helps guide the project from design through construction to ensure that LEED

standards are met.

A LEED AP may be an architect, engineer, designer, technician, or one of many skilled

trades in the construction industry.