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Florida-Friendly Landscaping™ Florida-Friendly Landscaping™

Florida-Friendly Landscaping™ - PowerPoint Presentation

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Florida-Friendly Landscaping™ - PPT Presentation

FFL Irrigation System Survey Claire Lewis amp Mackenzie Boyer Why we developed this set of survey instruments Need quantitative data FFL Water Savings Table Survey was developed based upon this metric ID: 614898

reduction 000 irrigation gal 000 reduction gal irrigation month survey savings sqft ffl system customers rain edis based publication

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Presentation Transcript

Slide1

Florida-Friendly Landscaping™

(FFL) Irrigation System Survey

Claire Lewis & Mackenzie BoyerSlide2

Why we developed this set of survey instruments

Need

quantitative

data FFL Water Savings Table Survey was developed based upon this metricSlide3

Water savings table

Objective: Develop measurable metric for impact of FFL practices adopted by residential water customersSlide4

Irrigation Requirements Estimation

Turfgrass AnnualWater Req.N FL, 33 inches/yrS FL, 43 inches/yr=3,700 gal/1,000 sq ft

1” = 623 gal/1,000

sq ftSlide5

Irrigation run time recommendations: EDIS Publication AE220

Average = 29.4 min event-1Slide6

Baseline irrigation case

 Slide7

10

19040220

70100

130160

250

280310

340

370

More

400

460

430

35,000

28,000

21,000

14,000

7,000

Number of customers

Estimated irrigation (mm month

-1

)

Theoretical limit = 77 mm month

-1

(3.0 in month

-1

)

Distribution of customers

Baseline case

= 108 mm month

-1

(4.25 in month

-1

)Slide8

10

1904022070

100

130160

250280

310

340

370

More

400

460

430

35,000

28,000

21,000

14,000

7,000

Number of customers

Estimated irrigation (mm month

-1

)

Distribution of customers

Baseline case

= 108 mm month

-1

(4.25 in month

-1

)

Orange County

= 149 mm month

-1

(5.87 in month

-1

)

Pinellas County

= 64 mm month

-1

(4.25 in month

-1

)

Sources:

Pinellas County: Haley and Dukes 2012

Orange County: Haley and Dukes 2007Slide9

1. Rain sensor

Savings based on plot study of 5 types of rain sensors and IFAS-recommended irrigation settings 8% reduction= 2,541 gal/ 1,000 sqft savingsSlide10

2. Calibrate sprinklers to ½” or ¾”

EDIS Publication ENH63 recommends ½”-¾” per irrigation event25% reduction= 7,942 gal/ 1,000 sqft savings

50% reduction= 15,884 gal/ 1,000 sqft savingsSlide11

3. Calibrate sprinklers to

replace 60% of ETEDIS Publication AE436 indicates 60% ET replacement generally adequate

40% reduction= 12,707 gal/ 1,000 sqft savingsSlide12

4. Smart controllers

ET controllers: 41-43% reduction Soil moisture sensors: 35-72% reduction

35% reduction= 11,118 gal/ 1,000 sqft

72% reduction= 22,872 gal/ 1,000 sqftSlide13

5. Convert turfgrass to landscape bed

EDIS Publication ENH860 recommends ornamental plants irrigated only as needed after establishmentMicroirrigation: 48% reduction in irrigation

100% reduction= 31,787 gal/1,000 sqft savings

48% reduction= 15,589 gal/1,000 sqft savingsSlide14

6. Rain barrels

Irrigation savings for turfgrass from using of 55-gal rain barrel was simulated 6% reduction= 1,906 gal/1,000 sqft savings

fyn.ifas.ufl.edu/barrels.htmSlide15

7. Convert spray heads to MSMTs

Multi-stream multi-trajectory nozzles typically have greater uniformity and have lower flow rates67% reduction=

21,191 gal/1,000 sqft

www.turfmagazine.com/content/TF/2013/04/A9379_1_full.jpgSlide16

There are 3 survey instruments in this set

The FFL Irrigation System SurveyIntended to be given prior to FFL workshopFFL Knowledge gain SurveyIntended to be given after FFL workshopIrrigation System Follow-up SurveyIntended to be given 6-12 months after FFL workshopSlide17

What is Qualtrics

Web-based survey systemLogic based Interactive questionsData can be analyzed as it is collectedCan be exported to PowerPoint, Word, Excel, or PDF lynda.com - online training librarySlide18

How administeredOnline through

Qualtrics AgentsMG Slide19

Who is the survey intended forHomeowners who have an in ground irrigation system Slide20

What are the benefits to the agents to use

Clear, consistent and measurable reporting tool SMART objectiveNext stepsfertilizer pest managementWe are now going to go through the survey