pervious concrete projects in beaverton
DESCRIPTION
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.TRANSCRIPT
City of Beaverton, Oregon
Debbie MartisakPublic Works Department
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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
Brion Barnett, PEProject Engineer
155th Avenue Green Streets Pilot Project
Connect sidewalk & bike lane gap Integrate green elements into project Complete project during summer 2006
155th Avenue Green Streets Pilot Project
Green Street Measures Vegetated Drainage Swale Pervious Concrete
155th Avenue Green Streets Pilot Project
Pervious Concrete Sidewalk
155th Avenue Green Streets Pilot Project
Costs - Comparative
155th Avenue Green Streets Pilot Project
500 lineal feet of street
greenvegetated swale $ 81,397.00
pervious concrete $ 162,794.00
conventionalquality & quantity not included
paving $ 109,303.70
155th Avenue Green Streets Pilot Project
Pressure Wash � two times per Yearo leaves & tree needles will clog pores
Maintenance � Pervious Concrete Surface
After
Before
155th Avenue Green Streets Pilot Project
Public Plaza @ Lombard/Broadway
Elimination of Stormwater Infrastructure Pervious Concrete Sidewalks for Pedestrian Access
Public Plaza @ Lombard/Broadway
Green Street Mechanics
Public Plaza & Lombard / BroadwayUltimate #8 Pervious Concrete 58 Cubic Yards $232.00 per CY Includes On-Site TrainingLessons Learned
Consider Drainage for Slope Construction Pour
Sequencing in odd shaped and hard to get to areas.
Pressure Wash �Twice per Year Nominal Maintenance Costs
Public Plaza @ Lombard/Broadway
Maintenance � Pervious Concrete
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
Operations Center, Upper YardEvolution 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
Operations Center, Upper Yard
Comparative Costs
green $ 35,959.01 $ 173,157.97 $137,198.96
conventional $ 0.00 $ 89,360.00 $89,360.00
Before
Operations Center, Upper Yard
Reconfiguration
After
Operations Center, Upper Yard
Reconfiguration
Operations Center, Upper Yard
Pervious Concrete Pavement
7th StreetDiscussion of Possible Utility & Street Improvements
Studied the Drainage Situation
Design development
7th Street
1. Property owners & residents sign petition
2. Resolution of intent to form Local Improvement District
3. Local Improvement District Formed via Public Hearing
7th Street
consultant concept
Design development
7th StreetEvolution Ultra Pervious Concrete 74 Cubic Yards $163.00 per CY Includes On-Site Training
Project Notes
Mobile Mixer On-Site Storage of Aggregate
7th StreetComparative Costs Storm System vs. Rain Gardens
green Rain Garden (9): $ 21,528 $ 115,210 Storm System: $93,682
conventional $ 0.00 $ 93,682$93,682
L.I.D. �> Capital Cost ~ $61/foot of Street Frontage
Street Improvements
7th Street
Before
After - Oct. 2009
Street Improvements
7th Street
Before
After - Oct. 2009
Thank You.
City of Beaverton, Oregon
Deborah Martisak