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Activity NameOriginalStartFinishDecember 2020January 2021February 2021March 2021April 2021May 2021June 2021July 2021August 2021 <br />Duration <br />906132027031017243107142128071421280411182502091623300613202704111825010815 <br />16308-Dec-2002-Aug-2102-Aug-21, S <br />SUMMARY <br />Contract approval and notice to proceed008-Dec-20*Contract approval and notice to proceed <br />Design coordination and GMP development3008-Dec-2021-Jan-21Design coordination and GMP development <br />Procure equipment and subcontracted work222-Jan-2125-Jan-21Procure equipment and subcontracted work <br />Field verify dimensions and conditions of existing valves1008-Dec-2021-Dec-20Field verify dimensions and conditions of existing valves <br />GSC contract execution022-Jan-21GSC contract execution <br />Develop project execution plan with owner to ensure uniterrupted operation 208-Mar-2109-Mar-21Develop project execution plan with owner to ensure uniterrupted operation of plant <br />Develop and review operations plan with construction site supervisor210-Mar-2111-Mar-21Develop and review operations plan with construction site supervisor <br />MOBILIZATION014-May-21*MOBILIZATION <br />Pre-outage prep work1514-May-2104-Jun-21Pre-outage prep work <br />BEGIN PLANT OUTAGE007-Jun-21BEGIN PLANT OUTAGE <br />PLANT OUTAGE3707-Jun-2128-Jul-21PLANT OUTAGE <br />RESUME PLANT OPERATION028-Jul-21*RESUME PLANT <br />Required project completion per RFP002-Aug-21*Required proj <br />9422-Jan-2104-Jun-2104-Jun-21, SUBMITTALS AND FABRICATION <br />SUBMITTALS AND FABRICATION <br />Supplier-generated submittals2022-Jan-2119-Feb-21Supplier-generated submittals <br />Submittals review and approval1022-Feb-2105-Mar-21Submittals review and approval <br />Fabricate/deliver valves, actuators, supportng materials6408-Mar-2104-Jun-21Fabricate/deliver valves, actuators, supportng materials <br />Fabricate/deliver newfilter media, underdrains, supporting materials3008-Mar-2116-Apr-21Fabricate/deliver newfilter media, underdrains, supporting materials <br />Order/fabricate/deliver prepackaged nuts, bolts & gasket packs2008-Mar-2102-Apr-21Order/fabricate/deliver prepackaged nuts, bolts & gasket packs <br />3507-Jun-2126-Jul-2126-Jul-21, FILTER <br />FILTER REHABILITATION - EAST <br />Begin work on first of four filter cells (east filter set)007-Jun-21Begin work on first of four filter cells (east filter set) <br />Remove existing filter media107-Jun-2107-Jun-21Remove existing filter media <br />Remove existing media retainer108-Jun-2108-Jun-21Remove existing media retainer <br />Power-wash filter cell walls, troughs, and underdrain surfaces109-Jun-2109-Jun-21Power-wash filter cell walls, troughs, and underdrain surf <br />Inspect existing underdrain system109-Jun-2109-Jun-21Inspect existing underdrain system <br />Remove and replace existing damaged underdrains as necessary210-Jun-2111-Jun-21Remove and replace existing damaged underdrains a <br />Install new media retainer and filter media214-Jun-2115-Jun-21Install new media retainer and filter media <br />Backwash, remove fines, disinfect, perform bacteria test from water sample116-Jun-2116-Jun-21Backwash, remove fines, disinfect, perform bacter <br />Repeat process for east filter cells 2-42417-Jun-2121-Jul-21Repeat process for ea <br />Test water samples and return east fiilter set to active service223-Jul-2126-Jul-21Test water samples <br />3407-Jun-2123-Jul-2123-Jul-21, FILTER RE <br />FILTER REHABILITATION - WEST <br />Begin work on first of four filter cells (west filter set)007-Jun-21Begin work on first of four filter cells (west filter set) <br />Remove existing filter media107-Jun-2107-Jun-21Remove existing filter media <br />Remove existing media retainer107-Jun-2107-Jun-21Remove existing media retainer <br />Power-wash filter cell walls, troughs, and underdrain surfaces108-Jun-2108-Jun-21Power-wash filter cell walls, troughs, and underdrain surfa <br />Inspect existing underdrain system108-Jun-2108-Jun-21Inspect existing underdrain system <br />Remove and replace existing damaged underdrains as necessary209-Jun-2110-Jun-21Remove and replace existing damaged underdrains as <br />Install new media retainer and filter media211-Jun-2114-Jun-21Install new media retainer and filter media <br />Backwash, remove fines, disinfect, perform bacteria test from water sample115-Jun-2115-Jun-21Backwash, remove fines, disinfect, perform bacteria <br />Repeat process for west filter cells 2-42416-Jun-2120-Jul-21Repeat process for wes <br />Test water samples and return west fiilter set to active service222-Jul-2123-Jul-21Test water samples a <br />5214-May-2128-Jul-2128-Jul-21, FACIL <br />FACILITY UPGRADES <br />Perform outstanding HVAC and/or roofing work per updated scope2014-May-2111-Jun-21Perform outstanding HVAC and/or roofing work per up <br />Replace (26) valves and actuators3007-Jun-2119-Jul-21Replace (26) valves and <br />Electrical work3016-Jun-2128-Jul-21Electrical work <br />Actual WorkCritical Remaining WorkSOUTH BEND PINHOOK WTP <br />Preliminary Project Schedule <br />Remaining WorkMilestone <br />Page | 42 <br /> <br />