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Home My WebLink AboutP2-66 Ops committee presentation . . Headworks Operations Committee I i�li St.F Orange County Sanitation District We're here for you. P2-66 Summary of Project History • Project initiated in 1999 — Age of the existing structures — 40 years — Highly corrosive atmosphere, severe service • Final Design Completed : 2002 - 2004 • Construction : 2005-2013 Orange County Sanitation District P2-66 Project Goals and Objectives • New Headworks D replaces Headworks B and Headworks C • Protect downstream processes from the damaging effects of rags, grit and debris • Best Available Technology • Improve treatment efficiency • Improve reliability • O& M friendly • Full automation MOWN Orange District Major Project Elements - pUWING EROVF INGIX �DVER9 SMVMRE C.Pf.3 O MIFLUEN•MEi W IXG SiRUCNRE 8CREENFPG4IN • � BEECIMV,ERB • • \• 9'.......�.. .•._`.•••."•� � OSEE�iMRRP 9/,SNHG&1LgxG SCRECI...LOPGNG&AION(i Il �� I `�_ • (`'E�� e$EE IMVfEP9 p0 Ip I �" OSEE CHP�89ie8W W V xi MGBiET 6dARGEGNH 1 (�� sEEGuvrus • 'U _............ 9�EICX�,EvrEReoraei�svwvflmu o ° IIOO� 000 0 ®SEECwrtFAR,Efl S,RUCNRE 00 0 j1 iO9EECw ., Y �^) OSEECIMvfERe EM FERWCCXIDPICE F.�LIULY c • MVNI EWUVf MObIR RE f o ®SEECIUVIE11 t0 ®XFIfsMNx800011 CCMR?WENW FAC4,Y • • SEECWrtFA f• ��"' Ob1RIBIRKKI m11ERX ] ! G O OSEECX.•WEAR ] ®Wp8,E 810E8FREILflMFBFAIICHC s 7 .-ti sEEcrwrmn . ®muxNuxEGEaflcarFrxo�vR,am E� SEECIMPlE1110 •• ®SEE}P OFEMiIOxBMWIIK najj • ❑ / O �9EE.1 OPE iIM ONSFNO�p�&IIIW BUELNNG W W'J W'M NY �AV \ O •3 waa j ! '•Y 0 F" 'teri _� my Nur FACILITY ' ^' LOCATION MAP FIG`caml/o RE, • GRYpEfpNM1 Challenges • Construct and transfer operation from old facility to new facility • Live tie-ins of five trunk sewers up to 108 inch diameter to divert sewage • Comply with discharge permit during shutdowns of primary treatment process • Underground tie-in work occurred in the old, congested, and poorly documented portion of the plant • Avoid impacts to neighbors (odor, noise, and traffic) Orange District Tie - ins to Existing Piping U © - Newport OD HW � CEE3217�' 'c ToDSA I Interplant I Coast To DS B •��3-" To DS C Bushard Miller-Holder • P2-66 Project Costs • Total Project Budget: $259, 124,000 • Final Estimated Construction Contract: $ 199, 526,406 • Total change orders including request in the agenda report: $7, 230, 333 or 3 . 76% Orange County Sanitation District Project Success Factors • Project met performance objectives — flow and treatment • No permit violations during construction • No major accidents or injuries during the course of more than 7 years of construction • Total Project Change Orders - 3.76% • No contract claims • Committed and Effective Team - Good communication between Sanitation District staff, Design Consultant, Carollo Engineers and Contractor JF Shea • Risks were managed timely, effectively and efficiently Orange County Sanitation District We're here for you. Questions ? Orange County Sanitation District We're here for you.