This is the presentation created and presented by Deborah Martisak, project manager of the projects featured for the Public Works Department of Beaverton, OR. Includes costs, typical sections, and maintenance approaches.
2. City of Beaverton Projects
Pervious Concrete Projects
155th Avenue Green Streets Pilot Project
Public Plaza @ Lombard / Broadway
Operations Center, Upper Yard
7th Street Utility Improvement Project
3. 155th Avenue Green Streets Pilot Project
Brion Barnett, PE
Project Engineer
4. 155th Avenue Green Streets Pilot Project
Connect sidewalk & bike lane gap
Integrate green elements into project
Complete project during summer 2006
5. 155th Avenue Green Streets Pilot Project
Green Street Measures
Vegetated Drainage Swale
Pervious Concrete
7. 155th Avenue Green Streets Pilot Project
Costs - Comparative
500 lineal feet of street
vegetated swale $ 81,397.00
green
pervious concrete $ 162,794.00
quality & quantity not included
conventional
paving $ 109,303.70
8. 155th Avenue Green Streets Pilot Project
Maintenance – Pervious Concrete Surface
Pressure Wash – two times per Year
o leaves & tree needles will clog pores
11. Public Plaza @ Lombard/Broadway
Green Street Mechanics
Elimination of Stormwater Infrastructure
Pervious Concrete Sidewalks for Pedestrian Access
12. Public Plaza & Lombard / Broadway
Ultimate #8 Pervious Concrete
58 Cubic Yards
$232.00 per CY
Includes On-Site Training
Lessons Learned
Consider Drainage for Slope
Construction Pour
Sequencing in odd shaped
and hard to get to areas.
13. Public Plaza @ Lombard/Broadway
Maintenance – Pervious Concrete
Pressure Wash –Twice per Year
Nominal Maintenance Costs
14. Operations Center, Upper Yard
Project Goals
Add 23 Parking Stalls for Seasonal Parking
Secured Temporary Landscaping Storage Area
Regional Trail alignment with THPRD
Use “Green” Concept
15. Operations Center, Upper Yard
Evolution Ultimate Pervious Concrete
53.5 Cubic Yards
$210.00 per CY
Includes On-Site Training
Lessons Learned
Lura Screed “Way to Go”
Recalculate Quantities Prior
To Pour
16. Operations Center, Upper Yard
Comparative Costs
$ 35,959.01
green $137,198.96
$ 173,157.97
$ 0.00
conventional $89,360.00
$ 89,360.00
21. 7th Street
Design development
1. Property owners & residents
sign petition
2. Resolution of intent to form
Local Improvement District
3. Local Improvement District
Formed via Public Hearing
23. 7th Street
Evolution Ultra Pervious Concrete
74 Cubic Yards
$163.00 per CY
Includes On-Site Training
Project Notes
Mobile Mixer
On-Site Storage of Aggregate
24. 7th Street
Comparative Costs
Storm System vs. Rain Gardens
Rain Garden (9): $ 21,528
green Storm System: $93,682
$ 115,210
$ 0.00
conventional $93,682
$ 93,682
L.I.D. –> Capital Cost ~ $61/foot of Street Frontage