portland ecoroof program
TRANSCRIPT
![Page 1: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/1.jpg)
Portland Ecoroof Program
Sustainable Stormwater Division
Bureau of Environmental Services
City of Portland
Tom Liptan, Landscape Architect 503
823 7267
www.portlandonline.com/bes
Pollinator on Portland EcoroofCristo, my grandson
Portland, Oregon
![Page 2: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/2.jpg)
Portland, Oregon 1804
![Page 3: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/3.jpg)
Portland today
20 sq. miles rooftops
45 sq. miles pavement
Portland Tomorrow
35 sq. miles rooftops? sq. miles pavement
Total land/water area 140 sq. miles
![Page 4: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/4.jpg)
Portland Industrial District
![Page 5: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/5.jpg)
Conventional Roofs
High stormwater runoff volumes and peak flows.
Health issues; heat, glare, mosquitoes.
Roofs are fraught with problems Are they sustainable?
![Page 6: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/6.jpg)
![Page 7: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/7.jpg)
Ecoroofs on industrial buildings in Linz, Austria
Ecoroof
Ecoroof
Ecoroof
EcoroofEcoroof
Ecoroof
![Page 8: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/8.jpg)
Ecoroof Design
Drainage Mats Drainage Channels
![Page 9: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/9.jpg)
My Garage Ecoroof installed 1996
![Page 10: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/10.jpg)
City of Portland Ecoroof Program
• Technical Assistance
• Outreach and education
• Industry Development
• Performance Monitoring
• Financial Incentives
• Zoning Code Bonus 33.510
• Cost and Technology Analysis
• Public Works Code Option 17.38
• City policy, ecoroofs on city owned buildings
• Partnerships: Academia, Building Owners, Industry, Trade Organizations, Regulatory Agencies
Dragonfly takes flight
from downtown ecoroof
![Page 11: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/11.jpg)
Multnomah Co. Building before Ecoroof
![Page 12: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/12.jpg)
Multnomah Co. Building with Ecoroof
![Page 13: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/13.jpg)
Portland Building Ecoroof
![Page 14: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/14.jpg)
Portland Building Mechanical Penthouse before EcoroofPortland Building Penthouse Before Ecoroof
![Page 15: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/15.jpg)
Portland Building PenthouseEcoroof
![Page 16: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/16.jpg)
Portland Building Ecoroof
![Page 17: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/17.jpg)
Portland Building Ecoroof
![Page 18: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/18.jpg)
M Financial Ecoroof
![Page 19: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/19.jpg)
![Page 20: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/20.jpg)
Swan Island Pump Station
![Page 21: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/21.jpg)
Solar hot Water and PVs on Village Ecoroof
![Page 22: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/22.jpg)
PV Units over ecoroofs
![Page 23: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/23.jpg)
Turning Torso Building - Malmo, Sweden
Stormwater
Raingarden
![Page 24: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/24.jpg)
Stormwater ManagementEcoroofs work; but not all are equal; is it the growing media (soil)?
• Ecoroof Annual Rainfall Retention– Hamilton west 58%: 4.5 inch media
– Hamilton east 24%: 2 inch media
– Garage 29%: 2 inch media
– Multnomah Building 15%: 6 inch media
– PSU Building 25%: 4 inch media
– Metro Ecoroof _?_: 3 inch media
– Portland Building Ecoroof 67%: 3 inch media
– OSU 26 Test Plots ? 4 inch media
• Ecoroof Peak Storm Intensity Mitigation– Hamilton west 97%: 4.5 inch media
– Hamilton east 90%: 2.5 inch media
– Multnomah Building 86%: 6 inch media
– Portland Building 93%: 3 inch media
• Ecoroof water quality– Hamilton east & west: high copper, zinc and phosphorous.
– Portland Bldg: copper, zinc, Lead and phosphorus.
![Page 25: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/25.jpg)
25
City of Portland
Ecoroof Cost AnalysisTopics evaluated
» Stormwater Management (private)
» Energy
» Roof longevity
» HVAC (heating and cooling equipment)
» Stormwater (public)
» Carbon reduction
» Air quality
» Habitat
Topics to be addressed in future studies
» Urban Heat Island Reduction
» Carbon Sequestration
» Building Envelop and Acoustics
» Amenity
» Property value
» Open space
» Biodiversity
» Watershed Health
» Human Health
» Jobs and industry
![Page 26: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/26.jpg)
Portland Grey and Green Initiative:
Natural Areas Restoration
Raingardens,
Green Streets,
Ecoroofs,
Urban Trees,
![Page 27: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/27.jpg)
PORTLAND
ECOROOFS
square footage acreage number
Total Built 370,260 8.5 139
Grey to Green - post July 1, 2008
Known Potential 190,500 4.37 28
In Design 75,990 1.74 15
In Construction 95,650 2.2 9
Complete 100,188 2.3 12
![Page 28: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/28.jpg)
Tabor School before rain-garden
![Page 29: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/29.jpg)
Tabor School Rain-garden
![Page 30: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/30.jpg)
Mt Tabor School Raingarden/Urban Cooling Garden
![Page 31: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/31.jpg)
OMSI Parking Lot Stormwater Infiltration Swales
![Page 32: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/32.jpg)
Drawn by: Kevin Perry
NE Siskiyou Green Street – Stormwater Curb Extensions
Before
After
![Page 33: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/33.jpg)
Sandy Blvd - Infiltration Planter
Design 2005
Ecoroof
![Page 34: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/34.jpg)
Sandy Blvd - Infiltration Planter 2007
![Page 35: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/35.jpg)
![Page 36: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/36.jpg)
(2001 Photo)
Tryon Creek Headwaters Project
![Page 37: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/37.jpg)
Rain garden
Creek Restoration
Daylighted CreekEcoroof
Creek
Improvement Street Removed
Tryon Creek Headwaters
Apartments and Rowhouses
![Page 38: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/38.jpg)
Tryon Headwaters - before
![Page 39: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/39.jpg)
Tryon Headwaters - after
![Page 40: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/40.jpg)
Does the city need this street and grass traffic separator?.
![Page 41: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/41.jpg)
Street removed: New Creek, plantings still to be completed
![Page 42: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/42.jpg)
Headwaters Raingarden
![Page 43: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/43.jpg)
Headwaters Raingarden
![Page 44: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/44.jpg)
Headwaters Raingarden
![Page 45: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/45.jpg)
Headwaters Raingarden
Headwaters Raingarden and daylighted creek
![Page 46: Portland Ecoroof Program](https://reader031.vdocuments.net/reader031/viewer/2022030320/586ab9cd1a28ab51458bd902/html5/thumbnails/46.jpg)