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HomeMy WebLinkAboutStaff Report 1.A 11/13/2017Dredging Workshop City of Petaluma City Councii Presented By'. Dan Jason Beatty, P.E., Senior Engineer Acknowledgements Opportunities c, Congressman Huffman USACE P3/P4 Partnerships Supervisor Rabbit Beneficial Use of Dredge Regional Partners Material Resiliency and Bay . ® ® Conditions Restoration 1 San Francisco Bay Restorationtxisting Commission Progress Funding a;aPetaluma River BCDC Rules Review San Pablo Bay Region Citizen & Business Support FloodLocal riSupport Two Prong Strategy USACE Processs Next Steps Regional "Skin Fourteen mile (fu pper 14 Channel 7) portion with ing INSET A Turn:Basin from Petaluma City southward toward the Hwy 37 Bridge Five mile "Across the Flats" (ATF) portion from Hwy 37 bridge to deeper water within San Pablo Bay 77 0 G7 =6 R I DISPOSAL SITE 21, 0 11. Sk %k* 11 INSETA TURNING BASIN PETALUMA MARINA IQty respon5ibihty) 14 13 SHOLLENSERGER DREDGE MATERIAL WPOSALarre 12 /--,PETALUMA IVER MOUTH 2 �_t ? WE R SAN PABLO BAY SF -10 Petaluma r€1� �' ,�;� tat; � q: � ;�a,# i� s� € First federal e rR + authorization -1930 Rivers a n .,. Harbors Four yeardredninschedule Upper Portion �y3raulic) and three year cycle for Across the Flats portion (clamshell dredging) Authorized u per channel depth varies from 4 tow?*, feet and widt varies from 50 feet to 100 feet The Turnin Basin is located upstream of the u per Portion anTis 300 "' by 400 feet and 8 feet Teep approximatelyThe Across the Flats portion is miles long d 200 feet x i s t i n g C o n d if ?; o n t, Last Full Dredge: 2003 P, Commercial Tonnage Down _,1 2008-2012 avg - 423k short tons IF Yachting Events Down PYC Cancels Memorial Day Regatta Fiscal Impact on the Downtown and Citx, Marina y Siltation Increases Potential f,&, r C:i it w, WATERWAY 2008 2009 2010 2011 2012 Carquinez Strait 24,397 21,923 20,597 23,478 25,813 Middle River 0 0 0 25 0 Mokelumme River 0 0 0 24 0 Old River 0 18 59 12 0 Sacramento Total Waterways in 123,69 112,94 110,06 120,90 Deepwater Ship 825 490 385 357 414 Channel Sacramento River 889 611 657 768 691 San Francisco Bay Entrance 67,309 62,960 62,658 65,075 67,971 San Joaquin River 3,783 3,346 3,438 5,458 5,833 San Pablo Bay 26,490 23,491 22,269 25,705 28,497 Total Waterways in 123,69 112,94 110,06 120,90 129,22 Ca[lfornla 2 0 1 3 1 Petaluma River 712 398 310 381 318 Cargo (in 1,000 short tons) by California Waterway T'111 �rogress and Opportunities Petaluma River -North Bav Small Channels Dred e Material Management Plan Napa River Dredged - 2016 teve�opment - 2015 Final EA & EIR for Maintenance Dredging of the Federal Navigation Channels in San Francisco Bay for FY"s 201S-2024 Army Civil Works Program FY 2017 Work Plan for O&M $600,000 for Environmental permitting & Construction Documents for Dredging USACE (note: IntrocYuceiames YodyBoyette, Project manager) Pre -solicitation activities Sediment Testing & Nan Shoaling Analysis DMMO application Permitting rnnctmrtinn nnrc San Rafael Channel Partially Dredged - 2012 Creation of San Francisco Bay Restoration Authority (SFBRA) and Measure AA $25Million/yr for next 20years For Beneficial Re -use of Dredging Material e Beneficial Re -use sites Cullinan Ranch Successfully Takes Dredge Material from Richmond Harbor Bel Marin Keys Project Continues to Beneficially Use Dredge Material Future site at Skaggs Island USACE Dredging Progress Manager I Update on Progresl BUILDING TAKING CARE OF PEOPLEo 11-g Napa Purids Island Sear ' lalt Sit e p Point Project Acres 'Babia fr South Bay 15,100 ,,io Rauch Napa Ponds 9,800 1 lamil Skaggs Island 4400 ori ev Hamilton't"EM MonteZU 111a 2,300 Present Bair Island 1,600 Lake Aterril I CUllinan Ranch 1,600 Napa Plant Site 1 400 F Sears Point 1,400 .3 Eden Landing 830 Tidal .r Flat And ... Tidal air IshmdSalt Potidw .; � e I iT Re -Use p Challenge tti dredge material from barges to et and sites Offloader Pumps, piping and barge system 0 4 T` y.M1� EIIHPBIT c £tA1RIR_V R13hKxv. ,0%f4URL�F4AY � .. 4h47JASiT¢'1'a s„ -e w¢®w .. •�i+xBt K Strategy -T o Prong o 0 JF . 0, itUNI U11, Low Priority Due to Low ` `. Regio Game' Costs High Due to Environmental No Change in r; r Levels Dredging Partnership Saves Federal Money, Favorable P3/4 Proposa,`,` USACE Encouraged Submittal - Now on Hold Due to Current Executive Order 5 -Party Coalition: City, SCWA, Marin County, San Rafael, Napa Flood Control District Premise.* Coalition controls offloading operations to beneficial use site saving USACE money by assuring better bid prices. Saving used by USACE to routinely dredge three shallow channels of the San Pablo Bay Achieves 5 -year dredging cycli E41 Requires regional coalition and regional dredging revenue; and long-term service contract with offloading contractor Requires Local Funding and Financial Cortrijuvewits Regional costs estimated at 0- 67% of cost of "doing it alone" based on economic I I -4-P G I. - d, I L4, rl.! UY�a'C�Mpmklt!Zl Am Mi, :M.t T�J: I' VA"! 7VO Z t,i, A — ,M,'r "Ydl 71 f,7fM 1 47 :ld QPJ AGIA AWBJE DREMED MATE R.41- 9EHANDUNGSrIE EXTENT POURE 2 r - - - - - - - - - - - - - - - - - - - - - - - - - - - GC�OELLIIOERGER PkRY, RE �ANDUNIG SITE EDGERLY ISLAND DEDGED REHANDLINGSITE 7 L E SF4 E. EXTENT FIOURE 2 I 7 - - - - - - - - - - - - - - - -- - - - - - - - - - - - - - - - - - EXTENT MURE 4 INDEX MAP. SAALLO'A' DRAFT CHANNELS AND DREDGED MATERIAL MANAGEMENT OPTIONS ,',a FA i VA h)"Fi! ELMO owmawwww" 9X >,p F. SA 2 2 lJ.AF 0 U R,:l E: E R I FIGJRE I . . .. ... . ........ . .. .... . .... IS P3/4 Proposal Scenario Hamill on!"Bel \ la iii Koy, DUCKS UNLMTED Wetland Restoration Site manaqer Provide guaranteed capacity Set Tipping fee LI U Is W A,r E R or -0 Q. Coalition of Aqencies for Dredgg the Shallow Draft Channels of San Pablo Bay • Lead agreement formation • Provide 0-50% of upfront offloadequipment costs Manage contract Dredclinq Contractor Provide 50%-100% of upfront cost of off -loader Agree to set fees for offloading Operate and maintain equip Long-term Contract U.S. Armv Corps ® commit to 5 -year interval to dredge shallow draft channels of San Pablo Bay • Agree to use sitea off-loading coi Ctor IN Traditional USACE Maintenance Approach USACE to Continue EngineerinL' Process il City IR.. Ensure Shollenberger ready to receive sediment Identify beneficial re -use receiving site Ir Get agreement in place art P3 involvement on -hold until Agency policy in place Solidify Coaon Partnership thru JPA or other suitable means Create Annual Revenue for Dredging Marina & Flood Project Dredging Develop details of P3 Proposal Hydrographic survey Sediment sampling/plan Identify Wetland Enhancement Begin Permitting Process Project Partner Leverage with USAGE dredging Identify Contractor Partner for Off- loading Identify Funding for Flood Control Quantify Costs & Contract Terms for Project and Marina Offloader Measure AA Grant Application Continue to work with USACE on P3/4 Proposal