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2	INTRODUCTION ENR Upgrade and Expansion of the Region II Wastewater Treatment Plant Gravity Sewer Collection System Improvements in the St. Michaels Area Separate Environmental Project – Establishment of decentralized sanctuaries for aquatic species Pilot of the On-Site Sewage Disposal System Management Strategy Issues to consider – open discussion
3	GOALS Improve the Water Quality of the effluent being discharged from the Region II Wastewater Treatment Plant; and Eliminate sanitary sewer overflows and surcharging conditions of the gravity sewer system; and Reduce extraneous flows, typically referred to as Inflow and Infiltration (I&I) entering the gravity sewer system.
4	St. Michaels Gravity Sewer Collection System Constructed in early 1950s (As-built - 1954) 34,000+ lineal feet of 8, 10, 12 and 15 inch diameter pipes Pipe materials include Vitrified Clay Pipe – 5 foot pipe sections PVC pipe – 20 foot pipe sections Possibly some HDPE Pipe Over 225 manholes (MHs) Materials of Construction Brick Precast Concrete Average depth - 7 vertical feet Internal diameter (ID) typically – 4 feet
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7	St. Michaels Gravity Sewer Collection System Inflow and Infiltration (I & I) Corrective Action August 2001 - County Council approved in-pipe flow monitoring contract with Maryland Environmental Service (MES) November/December 2001 - Department of Public Works (DPW) delayed flow monitoring investigation due to drought conditions December 2002 - MES initiated in-pipe flow monitoring March 2003 - MES conducted preliminary sewer collection system inspections April 2003 - County Council approved expanded scope of work for sewer collection system investigation that includes smoke testing February 2004 submitted grant applications to repair collection system July 2005 – MDE awards Talbot County $500,000 in grant funds for the pump station improvements August 2005 – Talbot County initiates sewer replacement designs for Mill and Carpenter Streets November 2005 - Bids received for the Pump Station Improvements and Force Main Construction projects and initiated Manhole Inspections March 2006 – MDE approves an additional $500,000 in grant funds for the force main construction April 2006 – Notice to proceed issued to contractors for Pump Station Upgrades and new Force Main and County seeks approval for $593,590 for sewer line improvements from MDE and County Council
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10	Region II Wastewater Treatment Plant Costs Allocated ENR/BNR Grant Funding: $ 4,718,578 SRF Loan Amount: $ 8,317,699 Total Design and Construction Cost: $ 13,036,277 Pump Station Upgrades: Grant Funding: $ 500,000 State Revolving Funds for Loans: $1,183,732 Force Main: Grant Funding: $ 500,000 State Revolving Funds for Loans: $ 810,450 Community of Rio Vista and Sections of St. Michaels Gravity Sewer Collection System Cleaning, TV Inspection, Joint Testing and Pressure Grouting – Sanitary District Funds Total Cost (Complete by February, 2006): $ 229,178 Manhole Rehabilitation and Slip Lining: $ 650,000 Sewer Replacements: $ 2,000,000 Additional Slip Lining: $ 750,000 TOTAL COSTS: $19,658,637