Team Members:Amanda PierceJay KamaniSeth MoodyCurtis BrandSmithNicolas Johnson

Sponsors:CH2MHILLOregon Pacific DevelopmentColumbia GreenWDY Structural EngineersPro-Gro

Advisor: Dr. David J. Sailor

Final PresentationGreen Roof Test Module

(GRTM)

Objective 1: Design Optimized Green Roof

Objective 2: Design Mobile Monitoring System

Project Overview

Insulation

Water Retention

Temperature Reduction

The Design Criteria

R-Value Variation◦ Sun◦ Humidity◦ Soil Moisture

Other Effects◦ Radiation◦ Convection◦ Evaporative Cooling

Insulation - Effective R-Value

Objective 1: Green Roof Design

Green Roof Design◦ Plants◦ Soil◦ Trays

Test Module

Precipitation , Soil Moisture &

Water in/out

Davis Weather Station

Mass Balance System

Soil Moisture Sensors

Measure Ambient &

Surface Temperatures

Davis Weather Station

T-Type Thermocouples

Measure Temperature

Difference and Heat Flux

Heat Flux Sensor

T-Type Thermocouples

Objective 2: Instrumentation

A Davis weather station Campbell data logger sensors

Decagon moisture sensor Huskeflux heat flux sensor T-type thermocouples Futek load cells

Instrumentation Components

Local Weather Data◦Davis Weather Station 615

Water In/Out◦Mass Balance◦Soil Moisture Sensors

Soil Temperature◦T-Type Thermocouples

Monitoring

Soil Heat Flux◦Huxeflux◦R = ΔT/ qflux

Monitoring

Insulation Properties

5/16 5/17 5/18 5/19 5/20 5/21 5/22 5/23 5/24 5/250

0.5

1

1.5

2

2.5

3

R-value (h·ft2·°F/Btu)

5/16 5/17 5/18 5/19 5/20 5/21 5/22 5/23 5/24 5/250.26

0.27

0.28

0.29

0.3

0.31

Average Soil Moisture (ft3/ft3)

5/16 5/17 5/18 5/19 5/20 5/21 5/22 5/23 5/24 5/250

1020304050607080

Average Temperature (°F)

Water Retention

5/16 5/17 5/18 5/19 5/20 5/21 5/22 5/23 5/24 5/250

0.1

0.2

0.3

0.4

0.5

0.6

0.7

Rainfall (in)

Drainage (in)

Temperature Reduction

Planning 3rd party involvement in a project

City Permits

Chickens

Challenges and Opportunities

Questions(GRTM)