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Home My WebLink AboutItem 5 PPP 03-04-2020 Operations Committee - PS18-09 7 f { �•'� Ocean Outfall Condition Assessment rilly and ScopingStudy Project No . PS1 8-09 I _ Valerie Ratto, Project Manager Awl Operations Committee ;�. March 4, 2020 nCY I "AACD( :v Ocean Outfall 0' 7- z H�ntington m `z 2 N I ESA Beach V V"ILTON ev Q Pier p� HMNEL w cp ` OCSD TREATMENT PLANT NO. 2 m ,,per Emergency Outfall MEMIG°p Gib' 1.5 Miles Long o 6 H 78-Inch Diameter Pacific Ocean Rr��► Newport Pier N A 0 0.5 2 rdilus 1 i I I Offshore Pipeline 5 Miles Long 120-Inch Diameter Extreme Flow Events Average Monthly Flow MGD vs. Peak High Flow Events � 600 550 563 550 521 500 485 494 501 475 459 450 411 400 350 300 266 (1990) 184 _O LL 250 (2018) 200 150 100 1980 1985 1990 1995 Year 2000 2005 2010 2015 0 Total average flow 0 Peak Flow •: Outfall Des 'ign ate-- ►+` 1ai Mm ......... -r• 'i., ....... M . . . ........ 1 Diffuser Ports " ' Ballast End Structure / Y�ii{�3„yyL ,l a /000 FT. 78" OCE.4v OUTFALL .DIFFUSER W/TH G" PORrS /966 MA Outfall Construction 1 -7 1 _4 � r - _ '"► i.i � .fir•"� ,�47r:i t t'1�f._ _ �� _ •', r 1 • -j Outfall r f _ , ! -; ` o : Cutfall Construction Iwo .a. 47A q AS The REGISTER Tuesday(m)December 3,1968 968 = 1 Ocean Outfall Job Cost 8 948$ , 000 CONTROVERSIAL CONTRACT LET; 2-YEAR COMPLETION FOUNTAIN VALLEY—Direc- Directors also approved ex-1 remainder will be financed pro-remembered to onclose a Corti- An attorney for Healy,Ryan tors of Distrtct 1 of the county tension of the contract date to portionately by taxpayers in Pied cheek. asked that the firm be given the Pe contract to scheduled to begin. I D strict 1 was named and 11 At a special meeting Oct.I6 bid or that all bids be rejected sanitation districts Monday Jan. I6, when construction is Districts I,2 3 6 6 awarded a$8,998,000 as agent Nissen said the districts are not and the project readvertised. ter Kiewit Sons,Inc.,of Rich- The Water Poll r Connn t tic mi D zcti o ci_: „, 1 6rd �.I T)„ ;,;.,, mond for construction of an Admvnstratiorr ocean outfall at the mouth of the De arEmer� tr:4Ii ttf iE�Lltit[� King—.1lie Ph66—in—g )OW"ner Wad _- p p rill l the Santa Ana River. .pay$3,374,5s0 By BRUCE TAYLOR line five miles long before the effluent one mile offshore.Fi- and rain.The Davey Crock Register Staff Writer job is completed next spring. not sections of the 10-foot-di• almost was Wp-,Jo shore Three miles offshore from The Liberty Ship,the Davey ameter pipe line will be the mouth of Santa Ana Riv- Crockett, was converted for 'red 198 feet below the The REGISTER Sunday,November 7, 1970 D7 er, men and machines are laying pipe last year in Rich- surface. struggling to complete the mond, Va.The vessel is 440 Work began on the h most tedious, if not the big- feet long and its crane reach. pipe line project in Jan �fw�1Cost,plumbing job in Orange es 10o feet above deck level. 1969 Completion is ez � � Himls '�7 County history. It has the largest pipe-laying early next spring. Mammoth sections of con- ocean platform in the world. Workmen assemble at crete pipe are being fitted No longer self-powered,the break on the long trestle together on the ocean floor 70 Davey Crockett is moved by a where they board a tug feet deep. system of cables attached to which delivers them to ` _ Rugged men suited in red six 4-ton anchors on the ocean side of the Davy Cr Sewer To The Sea" Labeled safety vests and bright yellow bottom. There,they climb iron hard hats each day manipu- The ship and men work for on the ship's side to late the 86-lon pipe sections Peter Kewitt and Sons, the where they disburse from the deck of a converted prime contracting company to up work positions. World War II Liberty Ship the Orange County Sanitation Ideal conditions se into the water. District. The firm is laying 1st on the open oce As 'E n h a n e i n ' ,� Water On the ocean floor,the 10- the $10 million ocean outfall 22-month history of foot diameter pipe sections system which will replace the laying p r o j e c t must be fitted end to end in a existing one now discharging plagued by high se s. 4 4" r ' r, m s. a / lar" 011 ' MONSTER OF DEEP—Ron Capps applies point to 108-inch ocean outfall section i so divers joining sections 190 feet below surface can see them more easily. 65-TON PIPE SECTIONS LINE DECK OF WORKSHIP DAVEY CROCKET Times photo by Dtaxine Hearne ZA Outfall Tidal ►�` Ballast Pipe Joint PREc-�grTOR • �_ -_ Ballast Manhole Diffuser Ports Ottr +� Diffuser-Inshore Side Diffuser-Inshore Side — Diffuser-Inshore Side - - -- Diffuser-Offshore Side —= Diffuser-Offshor '� r = Diffuser-Offshore Side End S t � 4 i i• • • r 1 t J � a • tr _ I , L •x+yh : !It r mr G Projoect Elements • Condition Assessment • Port Cleaning and Clearing • 3D Scanning and Modeling • Impacts of Low Flows Projoect Elements • Condition Assessment -�--� • Port Cleaning and Clearing '`°°� � 3D Scanning and Modeling • Impacts of Low Flows Projoect Elements _jW • Condition Assessment • Port Cleaning and Clearing • 3D Scanning and Modeling • Impacts of Low Flows : Y — J rr9,ro •re Si46 r Inshore Side Diffuser - Offshorz;. Diffuser s i I Projoect Elements • Condition Assessment • Port Cleaning and Clearing • 3D Scanning and Modeling • Impacts of Low Flows _ r is �.r y sxy. ZA Projoect Elements • Condition Assessment • Port Cleaning and Clearing • 3D Scanning and Modeling • Impacts of Low Flows r Effluent ...'�". :v Project Elements • Condition Assessment • Port Cleaning and Clearing • 3D Scanning and Modeling G W R S •• uou"wou ent�erri inH. • Impacts of Low Flows Tostes like water.. becouse it is water! Effluent ` """" ZA Selection Process . - - --- _ , • Two proposals received I A to Me A c�= • Interviews conducted with both firms • Carollo Engineers Selected C' MM Negotiations Original Proposal Negotiated Total Hours MT 8,302 811042 Total Fee $3,139,295 $2,744,000 • Reduced resolution for 3D Model • More detailed low-flow modeling • Eliminated interior sampling • Revised testing requirements Fee Breakdown Prime Consultant $950,000 Other Subconsultants $140,000 Exterior Inspection (Divers) — 57 Days $420,000 Interior Inspection (Remote Vehicle) $400,000 Port Cleaning (Remote Vehicle) $330,000 3D Scanning and Modeling (Submersible) $500,000 Recommendation • Approve a Professional Services Agreement with Carollo Engineers, Inc. to provide engineering services for the Ocean Outfall Condition Assessment and Scoping Study, Project No. PS18-09, for an amount not to exceed $2,744,000; and • Approve a contingency of $274,400 ( 10%). 1� Questions �i dO - Y +♦ • ` L r MakeAGIF.com