Final Bannockburn Onsite Stormwater Management Municipal Approaches 8 28 09
Transcript of Final Bannockburn Onsite Stormwater Management Municipal Approaches 8 28 09
Presented by:David Gewalt, P.E.
Marcy Knysz, AICP, LEED AP
Village of Bannockburn
Village of Bannockburn
Preservation of Wetlands Installation of Rain Gardens Installation of Bioswales Removal of Buckthorn and Invasive Species Installation of Native Plantings Encouraging Pervious Surfaces (Porous Pavers,
Porous Concrete Sidewalks & Turfstone Grass Parking Spaces)
Naturalization and Landscaping of Detention Ponds
Village of Bannockburn
Rain Gardens Bioswales Permeable Pavers Bioretention Facilities
Village of Bannockburn
Small-scale stormwater management practices Promote infiltration of runoff Reduce runoff volume, especially low intensity
storms Improve water quality by removing from 60%
(ammonia) to 95% (metals) pollutants
Stormwater Bioretention Facilities
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
1. Best Management Practices Village Hall Property• Rain Gardens• Wetland Creation• Bioswales
2. Stirling Valley Road Triangle (Proposed)• Rain Gardens• Bioswales
3. Village ROW – Various Locations (Proposed)• 10 Rain Gardens• 3 Bioswales
Village of Bannockburn
Project 1Village Hall Best
Management Practices Project
Received 319 Grant Funding
Village of Bannockburn
Village Hall Best Management Practices Project
Village of Bannockburn
Rain Garden Cross-Section
Village of Bannockburn
40% Construction Sand 20-30% Compost 20-30% Topsoil (no clay)
*Require soil to be tested for pH, organic matter, %sand, %clay, %compost
Village of Bannockburn
Image provided by Lake County Stormwater Management Commission
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village of Bannockburn
Village Property ProjectWetland Creation
Village of Bannockburn
Village Property ProjectBioswale
Before Under Construction After
Village of Bannockburn
Rock Check Dam and Outfall
Village of Bannockburn
Received 319 Grant Funding
Village of Bannockburn
Rain Gardens
Bioswales
Village of Bannockburn
319 Grant Application Submitted
Village of Bannockburn
Village of Bannockburn
Spring Creek Road, Barrington Hills
Village of Bannockburn
Earth excavation = $12.00 – $70.00 per CY
Engineered soil = $62.00 – $83.00 per CY
Plugs = $2.75 - $7.80 per plant
Aggregate base = $72.00 – $104.00 per CY
Annual maintenance = $200.00 - $300.00 per month (10 months per year)
Thank You