Panel 2 Public Initiatives and Return on Investment. Clean Rivers Project

Transcription

1 District of Columbia Water and Sewer Authority George S. Hawkins, General Manager Capitol Riverfront BID Anacostia River Business Summit Panel 2 Public Initiatives and Return on Investment Presented By: George Hawkins, General Manager Carlton Ray, Director Clean Rivers Project September 20,

2 Agenda DC Clean Rivers Project Background Investment and benefits Capitol lriverfront BID Interface M Street Project (Contract Division E) Main Pumping Station Project (Contract Division I) Tingey Street (Possible Contract Division B) 2

3 Separate and Combined Sewer Systems Combined Sewer Overflow (CSO) 100% of suburbs 0% of suburbs 67% of D.C. 33% of D.C. 3

4 Combined Sewer System 1/3 area is combined (12,478 acres) N Combined Sewer Area 53 CSO outfalls 15 to Anacostia 10 to Potomac 28 to Rock kcreek We are here Three receiving waters Anacostia River Potomac River Rock Creek 4

5 CSO Control: What is the investment? Overall Clean Rivers project including CSO control on Anacostia, Potomac and Rock Creek anticipated to cost $2.4B Anacostia River Tunnel system including tunnels, diversion facilities, overflows, diversion sewers, poplar point pump station replacement and tunnel dewatering pump station cost $1.7B 5

6 CSO Control: What are the Benefits? 1. CSO Reduction 96% Reduction in CSO Volume: Anacostia: from 2,142 to 54 mil gal/yr Potomac: from 1,063 to 79 mil gal/yr Rock Creek: from 49 to 5 mil gal/yr Number of Overflows Reduced: d Anacostia: from 75 to 2/yr 98% Reduction Potomac: from 74 to 4/yr Rock Creek: from 30 to 4/yr 2. Water Quality Improvement Bacteria levels will be lower, dissolved oxygen will be higher 3. Trash Reduction Trash from CSOs will be practically eliminated 4. Flooding Relief in Northeast Boundary Area 6

7 Anacostia River Projects Overview LTCP consent decree focuses on cleaning up the Anacostia River first 157 million gallon storage/conveyance tunnel, about 13 miles long. Segments south of CSO 019 must be completed by Very tight time frame. 23 inside diameter and over 100 deep Sewers, tunnel and drop shafts to deliver flow to tunnel Two tunnel overflow structures Anacostia River water quality will be greatly enhanced by reducing CSO from 82 to two overflow events per year by capturing over 98% of the CSO. N McMillan In service by 2025 In service by 2018 National s Stadium Bolling Overflow Structure Northeast Boundary Branch Tunnels Anacostia River Tunnel Northeast t Boundary Tunnel CSO 019 Overflow Structure Blue Plains Tunnel Blue Plains 7 7

8 Overview Status of Projects CSO 019 (RFK Stadium) Construction start Sept M Street Diversion Sewer Construction start April 2012 Main PS Diversions Constructio start 2013 Anacostia River Tunnel Construction anticipated 6/2013-9/2017 Poplar Point PS replacement Construction start 2014 A Blue Plains Tunnel C CSO 019 Overflow and Diversion Structures D BAFB Overflow and Potomac Outfall Sewer Diversion E M Street Diversion Sewer (CSOs 015, 016 and 017) G CSO 007 Diversion Structure and Diversion Sewer H Anacostia River Tunnel Blue Plains Tunnel I Main Pumping Station and Tingey Street Diversions J Northeast Boundary Tunnel Design- Build contract awarded K Northeast Boundary Branch Tunnels L Northeast Boundary Diversions M Mt. Olivet Road Diversions Y Blue Plains Dewatering Pumping Station and ECF Z Poplar Point Pumping Station Replacement 5/5/2011 Construction

9 Capitol Riverfront Business Improvement District p Tingey Street Division B M Street Division E Main Pumping Station Division A & I 9 9

10 Division E M Street Diversion Sewer The Admira l Virginia Avenue Gardens CSO 015 Diversion Manhole 900 M Street CSO 016 Diversion Chamber M Street CSO 017 Diversion Chamber Park CSO 015 Diversion Chamber Maritime Plaza I Maritime Plaza II Maritime Plaza III V 1333 M Street CSO 015, 016 and 017 Drop Shaft Washington Navy Yard 11 th Street Bridge Existing Under Construction Planned/Future Parks/Open Space 10

11 Division I - Main Pumping Station Diversions Possible Division B Tingey gystreet Diversion Sewer Canal Street CSO 009/11A Department of Transportation CSO nd Street WMATA Green Line Future Tingey Square DC Water Fence Line The Yards Parcel L The Yards Parcel K Restaurant /Retail Tingey Street The Yards Foundry Lofts The Yards Parcel N Riverfront Park 4th Street CSO 013 CSO The Yards Parcel D Grocery Store The Yards Parcel o Building 74 Parcel E 5 ½ Stree et CSO 014 Existing Under Construction Planned/Future Parks/Open Space 11 11

12 Tingey Street and M Street Schedule Division E Division I Activity M Street Main Pumping Station Preliminary Design Complete Final Design Complete Division B Tingey gystreet (Possible Accelerated Schedule) August 2010 February 2011 November 2011 October 2011 March 2013 June 2012 Construction ti April 2012 September 2013 February 2012 November 2013 June 2017 October 2013 In Service March 2018 March 2018 March

13 Next Steps DC Clean Rivers is Moving Ahead with Final Design and Construction Public Outreach Efforts are Underway Cleaner Rivers are on the Way Contact Person: Carlton M.Ray Director DC Clean Rivers Project DC Water and Sewer Authority 5000 Overlook Ave, SW Washington, DC DC WATER.COM 13