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HomeMy WebLinkAbout0 - PresentationA OCSD Ocean Outfall Repair Project Jim Herberg, Assistant General Manager Orange County Sanitation District November 8, 2011 OCSD Service Area 463 square miles 207 million gallons per day 2.5 million population 21 cities, 3 special districts 579 miles sewer lines 15 • pumping facilities a 2 treatment plants Park a Palma Cypress La Habra Brea Orang Count Fullerton Yorba,Linda Placentia i � I ri MiT�ii Los Stanton ,Alamitos Garden G teal Westminster Beach' .G 1 • Reclamation Plant No. 1 Fountain/ • Valley Huntington i • geach� >/ Costa Mesa Treatment Pacific Plant No. 2 Ocean • • Ocean Pipeline Anaheim Villa Park O Na- i Ana Tustin • • Irvine lewport Beach OC Sanitation District ♦Treats about 210 mgd. 60 -70 mgd is recycled. • Discharges about 150 mgd through a 120 -inch diameter, five mile outfall (long outfall) ♦ Maintains an emergency one -mile outfall (short outfall) Purpose of Project ♦ Rehabilitation of the 5 -mile outfall system to make corrosion repairs ♦ Additional inspection, condition assessment and rehabilitation to ensure integrity and maintain reliability and functionality of the outfall system ♦ Prevent system failure and spills a 0 9 0 Beach Box Short Outfall Surge Tower 1" �- s _ Surge Tower 2 �. 2 4 3 Long Outfall 2 ____ �, ,,, _; , ,• ..� Buried, land- portion of outfall pipe to be rehabilitated A Outfall i Ah Short Outfall Buried, land- portion of outfall pipe to be rehabilitated mm"s Surge To r. Surge Tower 2 jr A\ i T: Beach Box Long Outfall Ah � 1 ■ 1..1 l Short Outfall Surge Tower 1 Surge Tower � d4 .f Buried, land- portion of outfall oioe to be rehabilitated y •Y l ll Y Mwel i : MN 7 more Key Issue: Marine Environment /Water Quality ♦ Water quality ♦ Marine environment ♦ Technical Studies underway include ♦ Near -field and far -field ocean current modeling from short outfall ♦ Near -shore water quality modeling ♦ Phytoplankton study 'v Issuem. Beach Bioloe r HUNTINGTON STATE BEACH LEAST TERN NATURAL PRESERVE s r' Key Issue: State Beach ♦Aesthetics L, ♦ Recreation ♦ Bike Trail AL _�- ♦ Parking /Beach Accessibility ♦ Beach Water Quality Key Issue: Construction Impacts ♦ Access ♦ Aesthetics ♦ Air Emissions ♦ Noise ♦ Light and Glare ♦ Traffic Project Schedule ♦ Notice of Preparation ♦ Public Draft EIR ♦ Review period ♦ Certification of E I R ♦ Construction August 8, 2011 November 2011 Nov — Dec 2011 January 2012 Fall of 2012 or Winter of 2014 Questions Orange County Sanitation District www.ocsd.com Beach Box Rehabilitation Options A. Carbon Fiber Reinforced Polymer (CFRP) Liner B. Fiberglass Pipe Insert C. Steel Pipe Insert _, e -lip , X i t It"s IN ali LIOE WE W 21 NPtNO S E JNCBETE ENCASEY j BLOCK OUTFA L jicai equipment ie Stons (Altarm; A.ice � r. •.. ... .. 'I.t •r 1L � :4• in - • is �Vu�!IIIIIWM1� y • U1 A ree