Stormwater Project Meeting City of South Burlington Presentation by: David P. Wheeler and Emmalee T. Cherington, Assistant Stormwater Superintendents Tom DiPietro, Deputy Director of Public Works City of South Burlington Public Works
Stormwater Project Meeting Agenda 6:00 Kennedy Drive Pond 2 6:20 Kennedy Drive Pond 7 6:40 Bartlett Bay Stormwater Treatment System Expansion 7:00 Deane Street / Woodcrest Drive Stormwater Project 7:20 Lindenwood Stormwater Project
Kennedy Drive Pond 2 Retrofit Original Construction in 2006
Location Map
Kennedy Drive Pond 2
Kennedy Drive Pond 2 Existing System Undersized Design Drainage Area: 0.76 Acres (0.71 Impervious) Actual Drainage Area: 3.53 Acres (2.23 Impervious) Only 0.15% Channel Protection Volume (CPv) Proposed Retrofit Expand system to meet CPv requirement Convert from Detention Pond into Gravel Wetland for increased phosphorous removal
Drainage Area Map
Draft Plans
Project Schedule & Funding 11/13/18 Public Meeting 1/15/19 12/15/19 - Project Engineering 1/15/20 Anticipated Bid Date 6/15/20 11/15/20 Construction Funding City received $253,616 VTrans Grant City obligation 20% match ($63,404)
Project Contact Dave Wheeler, Assistant Stormwater Superintendent 802.658.7961 x6113 dwheeler@sburl.com
Questions & Comments
Kennedy Drive Pond 7 Retrofit
Kennedy Drive Pond 7- Location Existing Location of Pond 7 Current Drainage Area
Kennedy Drive Pond 7- Brief Description of the Work Expand the existing Drainage Area of Pond 7 Located within impaired watershed-potash Brook Additional 18.35 acres added to treatment Accommodate the 1-year storm Manage full Channel Protection Volume (CPv) Funding Received $300,000 Vtrans Grant City obligation 20% match ($75,000)
Draft Project Concept Connect to drainage area located north of Williston Rd. Proposing to modify existing pond into a gravel wetland. Potential wetland impacts will need to be determined. Enlarging existing pond is an alternate. Increases the acreage treated by 623%.
Project Schedule 11/13/18 - Public Meeting Thru Dec. 2019 - Project Engineering January 2020 - Anticipated Bid Date 6 months- Anticipated Construction 12/2020- Anticipated Completion
Project Contact Emmalee Cherington, Assistant Stormwater Superintendent 802.658.7961 x 6115 echerington@sburl.com
Questions & Comments
Bartlett Bay Stormwater Treatment System Expansion (BBSTS)
BBSTS Location Map Existing Drainage Area Existing Stormwater Treatment
BBSTS Brief Description of Work Expand the existing Drainage Area of BBSTS Located within impaired watershed- Bartlett Brook Additional 9.34 acres of impervious area Accommodate the 1-year storm 15% flow reduction target for Bartlett Brook TMDL Funding Received $375,720 Vtrans Grant City obligation 20% match ($93,930)
Draft Project Concept Connect to drainage area at Harborview Drive and US Route 7. Proposing to expand existing treatment wetland. Additional 800 FT of culvert. Reposition existing access road Not impacting Class II wetland Additional Drainage Area
Draft Plans
Draft Plans
Draft Plans
Draft Plans
Project Schedule 11/13/18 - Public Meeting Thru Dec. 2019 - Project Engineering January 2020 - Anticipated Bid Date 8 months- Anticipated Construction 12/2020- Anticipated Completion
Project Contact Emmalee Cherington, Assistant Stormwater Superintendent 802.658.7961 x6115 echerington@sburl.com
Questions & Comments
Deane Street / Woodcrest Drive Stormwater Project West End of Deane Street
Project Location
Project Location
Deane Street/Woodcrest Drive Existing Conditions Drainage Area: 7.46 Acres (2.38 Impervious) Collection system discharges directly to Potash Brook Proposed Project Infiltration chambers in Right of Way (ROW) sized to meet Water Quality Volume (WQv) and Channel Protection Volume (CPv) requirements
Drainage Area Map
Draft Plans
Project Schedule & Funding 11/13/18 Public Meeting 8/30/17 8/15/19 - Project Engineering 3/15/19 Anticipated Bid Date 6/15/19 11/15/19 Construction Funding City received $242,000 VTrans Grant City obligation 20% match ($60,500)
Project Contact Emmalee Cherington, Assistant Stormwater Superintendent 802.658.7961 x6115 echerington@sburl.com
Questions & Comments
Lindenwood Stormwater Project Path at End of Lindenwood Drive
Project Location
Project Location
Existing Conditions Lindenwood Drive Drainage Area: 10.6 Acres (2.2 Impervious) Collection system along Brewer Parkway discharges directly to Potash Brook. Proposed Project Install collection system along Lindenwood Dr. Construct Infiltration Basin on City owned parcel to meet WQv and CPv requirements
Drainage Area Map
Draft Plans
Project Schedule & Funding 11/13/18 Public Meeting 8/30/17 12/15/19 - Project Engineering 1/15/20 Anticipated Bid Date 6/15/20 9/15/21 Construction Funding City received $303,574 VTrans Grant City obligation 20% match ($76,000)
Project Contact Dave Wheeler, Assistant Stormwater Superintendent 802.658.7961 x6113 dwheeler@sburl.com
Questions & Comments