resource efficient landscape irrigation

Illinois Landscape Contractors Association (ILCA)2010 Mid-America Horticultural Trade Show (Mid-Am)

Sustainable Landscape Solutions Workshop 11

Resource EfficientResource EfficientLandscape IrrigationLandscape Irrigation

Instructor:

Tom Barrett

Green Water Infrastructure, Inc.

An ILCA Workshop

Tom Barrett

Tom Barrett is the owner of Green Water Infrastructure.

He has over thirty years of successful landscape industry experience and is known as an accomplished corporate growth and change agent.

Sustainable Landscape Solutions Workshop

How Much Rain Falls in Chicago?

January - 1.86"February - 1.58"March - 2.59"April - 3.28"May - 3.75"June - 4.08"July - 3.39"August - 3.38"September - 2.91" October - 2.65"November - 2.09"December - 1.88"Total 33.44"

Image of Rain Falling

How Much Water Does a Landscape Need in Chicago?

January - 0.00"February - 0.00"March - 0.68"April - 2.01"May - 3.95"June - 5.89"July - 6.99"August - 6.07"September - 3.87" October - 2.08"November - 0.63"December - 0.00"Total 32.17"

What is the Problem?

ET Rain DifferenceJanuary - 0.00" 1.75" 1.75" February - 0.00" 1.63" 1.63" March - 0.68" 2.65" 1.97" April - 2.01" 3.68" 1.67" May - 3.95" 3.38" -0.57" June - 5.89" 3.63" -2.26"July - 6.99" 3.51" -3.48"August - 6.07" 4.62" -1.45"September - 3.87" 3.27" -0.60"October - 2.08" 2.71" 0.63"November - 0.63" 3.01" 2.38"December - 0.00" 2.43" 2.43"Total 32.17“ 36.27" 4.10"

Graph of Chicago Evapotranspiration

Graph of Chicago Rain Fall & Evapotranspiration

History of Irrigation Systems

1917 John A. Brooks Company Patents All Automatic Underground Irrigation Systems

Rain Bird Patents the First Horizontal Impact Rotor

Weathermatic Patents the first Hydraulic Valve

Blass invents the first Dripper

Moist-O-Matic develops the Plastic Sprinkler

Methods of Control• Climate Based

Controllers

• Weather Based Controllers

• Internet Based Controllers

• Rain Sensors

• Soil Moisture Sensors

• Weather Stations

• Pager Technology

Climate Based Control Systems

Weather Based Control Systems

Internet Based Control Systems

Rain Sensors

Soil Moisture Sensors

Weather Stations

Paging Technology

Low Volume Application• In-line Emitter Tubing

• Drip Emitters

• Micro-Sprays

• Low Precipitation Rotors

• Advanced Sprayhead Technology

Drip Irrigation Systems

90% Efficiency Rating

Drip Emitters

Micro Sprays

Low Precipitation Rotors

Sprayhead Technology

Alternate Water Sources• Gray Water

• Effluent Water

• Rain Water

• Condensation

Grey Water

Effluent Water

How Much Water Falls in Chicago?

January - 2,727 gallonsFebruary - 2,540March - 4,130April - 5,735May - 5,268June - 5,657July - 5,470August - 7,200September - 5,096 October - 4,223November - 4,691December - 3,787Total 56,525

2,500 sq. ft. Roof

How Much Water Falls in Chicago?

January - 142,560 gallonsFebruary - 132,784March - 215,876April - 299,783May - 275,344June - 295,710July - 285,934August - 376,358September - 266,383 October - 220,764November - 245,203December - 197,954Total 2,954,654

3 Acre Commercial Property

Rain Water

HVAC Condensation

• ½ gallon per hour per ton of air conditioning.

• 1,000 ton air conditioner produces 8 gallons of water per minute.

• Condensation production occurs when the landscape needs the water.

HVAC Condensation

• ½ gallon per hour per ton of air conditioning.

• One ton of air conditioning for every 700 sq. ft. of floor space.

• One ton of air conditioning for every 5,600 cu. ft. of building volume.

Residential Condensation

• 8 to 15 gallons of water per day.

• 60 to 100 gallons per week.

• 250 to 450 gallons per month.

Commercial Condensation

• 15 gallons of water per minute.

• 360 gallons of water per day.

• 2,520 gallons of water per week.

• 10,000 gallons of water a month.

LEED Rating System

EPA Water Sense Program

Irrigation Association

How Much Water?

Water Conservation Measures

• Monthly Irrigation Controller

Adjustment

– 30% Water Savings

• Overall Water Conservation

Resulting in:

– Reduced water usage

– Improved appearance

– Reduced maintenance

Month ET % Adjust

April 3.8” 80%

May 5.0” 100%

June 5.8” 120%

July 6.0” 120%

August 5.6” 110%

September 4.3” 90%

October 2.8” 60%

Questions?

• Green Water Infrastructure• Strategic Planning

• Marketing• Coaching• Training

Tom BarrettGreen Water Infrastructure, Inc.P.O. Box 124Westfield, Indiana 46074(317) 674-3494

Tom.Barrett@JTBarrett.com

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