1. District of Columbia Water and Sewer Authority George S. Hawkins, General Manager Briefing on: NORTHEAST BOUNDARY NEIGHBORHOOD PROTECTION PROJECT FIRST STREET TUNNEL Briefing for: Councilmember McDuffie Utility Coordination Meeting December 9, 2013

2. Background  Long Term Control Plan (LTCP) to: Relieve flooding the Northeast Boundary Area Control combined sewer overflows to: Potomac River Anacostia River Rock Creek Meet nutrient discharge limits of Chesapeake Bay Program  Schedule: 2005-2025  Implemented under a Federal Consent Decree among: United States Environmental Protection Agency (US EPA) United States Department of Justice (US DOJ) District of Columbia DC Water 2 Project Snapshot 2

3. Background 3 Recent Bloomingdale Flooding 4 storms caused major flooding: July 10, 18, 19 and Sept 2, 2012 Mayor formed Task Force in Aug 2012 Task Force report delivered end of Dec 2012 Over 25 Recommendations: Engineering Measures McMillan Stormwater Storage First Street Tunnel NEBT Regulatory Code Changes Operations & Maintenance Public Outreac h

4. MCMILLAN STORMWATER STORAGE & IRVING STREET RAIN GARDENS 4 million gallons FIRST STREET TUNNEL 8 million gallons NORTHEAST BOUNDARY TUNNEL Gravity System to Blue Plains 1 3 2 1 1 2 2 3 3 Irving St. Michigan Ave. Rhode Island Ave. First St. North Cap. St. Channing St. N Background NEB Protection Project 4

5. N First Street Tunnel Overview 5

6. 6 First Street Tunnel Utility Relocations and Alley Closures

7. First Street Tunnel Channing Street Construction Staging Area 7

8. First Street Tunnel Adams Street Construction Staging Area 8

9. First Street Tunnel V Street Construction Staging Area 9

10. First Street Tunnel Pumping Station Construction Staging Area 10

11. 11 WS-APA (21 spaces) BS-APA (77 spaces) M-APA (34 spaces, private, church and CM only) 143 W- APA (16 spaces) PS-APA (8 spaces, private, church only)  Strategy for Alternative Parking Areas Most-impacted residents fronting staging area get assigned space Parking Tags distributed to area residents Security service at alternative parking areas to enforce permit/assigned parking Shuttle for residents 24/7 First Street Tunnel Alternative Parking Areas

12. Schedule 12  Construction: October 2013 – March 2016  Mobilization in Neighborhood: February 2014 – July 2014  APA’s Constructed: February 2014 – June 2014  Channing Street Mining Shaft: October 2013 – March 2016  Adams Street Diversions: June 2014 – March 2016  First and V Street Diversions: April 2014 – March 2016  Pumping Station: June 2014 – March 2016

13. Public Meetings-FST Construction  Tuesday, January 7 th Focus on Channing Street/McMillan  Tuesday, January 14 th Focus on First & V Streets  Thursday, January 23 rd Focus on Flagler & Adams  Monday, January 27 th Focus on First & Thomas  All meetings are held at DC Water Bryant Street Pump Station at 301 Bryant Street NW  All meetings are held from 7-9PM 13

14. Contact Information  First Street Tunnel Public Outreach  Tom Lindberg (202) 787.4738  Email: Thomas.Lindberg@dcwater.comThomas.Lindberg@dcwater.com  DC Water Public Outreach  Emanuel Briggs (202) 787.2003  Email: Emanuel.Briggs@dcwater.comEmanuel.Briggs@dcwater.com 14