City Council Presentation Progress Report No. 12 For September 2006 November 6, 2006

pet1106i ppt/2 Overview of Construction Status Work progressWork progress ScheduleSchedule Project administrationProject administration  Submittal status  Field/change orders CostsCosts Anticipated workAnticipated work

pet1106i ppt/3 Ellis Creek North Crossing 42” secondary effluent42” secondary effluent 16” 42” headworks16” 42” headworks 20” recycled water20” recycled water Road for project construction trafficRoad for project construction traffic

pet1106i ppt/4 Site Grading West access roadWest access road  Aggregate base Polishing treatment wetlandsPolishing treatment wetlands Construction roadsConstruction roads

Headworks Facility Slab on grade grit areaSlab on grade grit area First wallsFirst walls

Oxidation Ditches Oxidation Ditch No. 1Oxidation Ditch No. 1  36 of 65 walls Oxidation Ditch No. 2Oxidation Ditch No. 2  21 of 57 walls

pet1106i ppt/7 Secondary Clarifiers 10 of 12 walls No. 110 of 12 walls No. 1 7 of 12 walls No. 27 of 12 walls No. 2

Filter Support Building Slab on grade pouredSlab on grade poured

pet1106i ppt/9 UV Disinfection Facility 65% of walls completed65% of walls completed

pet1106i ppt/10 Thickener Building Slab on grade lower sumpSlab on grade lower sump Walls sump areaWalls sump area

pet1106i ppt/11 O&M Building Maintenance wallsMaintenance walls Block walls continuedBlock walls continued

pet1106i ppt/12 Yard Piping 23,272 completed of 91,000 lf23,272 completed of 91,000 lf Access roadAccess road  12” water  4” natural gas

pet1106i ppt/13 Yard Piping (cont.) 20” Urban recycled water20” Urban recycled water 12” 3W12” 3W

pet1106i ppt/14 Yard Piping (cont.) 42” polishing wetland effluent42” polishing wetland effluent 26” effluent pipe at pond 9 and pond 1026” effluent pipe at pond 9 and pond 10

pet1106i ppt/15 Electrical Duct Banks West of ox ditch 2West of ox ditch 2 South of headworks to south Creek crossingSouth of headworks to south Creek crossing 8,189 of 46,000 lf8,189 of 46,000 lf

pet1106i ppt/16 Existing Pond Facility Modifications Wetland pump stationWetland pump station  Slab on grade poured  Walls started Pond 8 to Pond 9 LeveePond 8 to Pond 9 Levee  Finished pile installation  Pond 8 returned to operations Aerated lagoonAerated lagoon  Inlet structure formed and poured Pond 1Pond 1  7 horizontal brush aerators installed

pet1106i ppt/17 Schedule Notice to Proceed – October 10, 2005Notice to Proceed – October 10, 2005 Base contract duration 1,278 daysBase contract duration 1,278 days Original completion date – April 9, 2009Original completion date – April 9, 2009 Time extension authorized – 46Time extension authorized – 46 Revised duration – 1,324Revised duration – 1,324 Revised completion date – May 25, 2009Revised completion date – May 25, 2009 Weather days included in base duration – 40Weather days included in base duration – 40 Weather days expended – 78Weather days expended – 78 Time expended – 355 daysTime expended – 355 days Percent time expended – 28%Percent time expended – 28% Work remains on scheduleWork remains on schedule

pet1106i ppt/18 Costs Base Contract Amount $110,329,000Base Contract Amount $110,329,000 Change Orders Authorized $750,576Change Orders Authorized $750,576 Total Contract Cost $111,079,576Total Contract Cost $111,079,576 Percent Change to Date of Original Contract0.68%Percent Change to Date of Original Contract0.68%

pet1106i ppt/19 Project Administration - Programming SCADA screensSCADA screens  Speed control  Analog set point  Lead/Lad, Duty/ Standby Configuration of PLC 1,3,5,6,7,8,9Configuration of PLC 1,3,5,6,7,8,9 PLC2 75%PLC2 75%  WAS/RAS pumping  Aerator call order

pet1106i ppt/20 State Revolving Loan Fund Update Requested $5,173,877Requested $5,173,877 SRF will save over $60 million in interest versus revenue bondsSRF will save over $60 million in interest versus revenue bonds

pet1106i ppt/21 Project Administration SubmittalsSubmittals  Received 510  Reviewed and returned 445  Pending 64 Field ordersField orders  25 active  Total estimated cost $169,800

pet1106i ppt/22 Change Order Summary Authorized $750,576Authorized $750,576 This month $292,655This month $292,655 HighlightsHighlights  Levee repair Pond 8 to Pond 9 ($289,279) Anticipated next monthAnticipated next month  Lower invert elevation influent line ($17,290)  West access culvert ($20,000)  PG&E connection West Access Road ($20,000)  Oxidation Ditch Anchorage ($39,942)  O&M Bldg beam seats wall pockets ($20,000)  Two deductive changes (-$120,000) -Corrugated HPDE pipe for storm drains -Large Diameter HPDE thickness change

pet1106i ppt/23 Project Management Team $4,701,586 $187,130 $31,377 $34,505 $85,676 $4,362,898 September $40,494,241 Total $1,887,439 Construction Manager Covello $676,257ProgrammerArcSine $477,853EnvironmentalESA $1,674,122EngineerCarollo $35,778,570Contractor Kiewit Total Earned RoleTitle

pet1106i ppt/24 Anticipated Work for October Creek crossingsCreek crossings  Removed and restored West access roadWest access road  Paving, curbs, sidewalks HeadworksHeadworks  Walls Oxidation ditches/secondary clarifiersOxidation ditches/secondary clarifiers  Walls O&M buildingO&M building  Masonry block walls Thickener buildingThickener building  Sump walls

pet1106i ppt/25 Anticipated Work for October (cont.) Main electrical buildingMain electrical building  Excavated Electrical building (MCC9)Electrical building (MCC9)  Excavated  Duct bank UV buildingUV building  Channel walls  Floor Existing pond siteExisting pond site  Pond 9 and 10 planting  Pond 9 pump station walls  Electrical work at aerated lagoon pond 1

pet1106i ppt/26 Anticipated Work for October (cont.) Boiler buildingBoiler building  Excavation Storm water pump stationStorm water pump station  Tie in lines from oxidation ditch area Yard pipingYard piping  27” storm water pipe north of pump station  Bridge over storm water pipes  Culvert at main entrance  Pond 9 and Pond 10 Levee 42” and 26”  Pond 9 and Pond 10 double contained pipe  Connections to thickener building  Connections at filter support building  In-plant pump station to headworks

pet1106i ppt/27 Questions?