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HomeMy WebLinkAboutItem No. 8 PPP P1-129 Budget Increase and PCSA Award RAS PUMP STATION 40 Return Activated Sludge Piping Replacement at Activated Sludge Plant No. 1, Project No. P1-129 Y r RAS Piping Replacement • Activated Sludge Plant No. 1 . ( built in 1974) provides 90 mgd of treatment capacity • Divided into two sides, both needed for normal operation • 220 feet of 30-inch piping corroding, causing multiple III~ leaks RAS Piping • p Tight spaces make i `� g construction difficult _ L - • Construction requires full bypassing of x� Y p g um p p station , . . ^ w • Avoids overlap between construction and operational activities • Minimize risks of leaks ;; during construction • Pumps to be used on 4 future projects as they will be purchased Construct'i'on Bi'ds Contractor..Ad IEEV� Abhe & Svoboda, Inc. $ 6,863,092 Myers and Sons Construction, LLC $ 7,035,000 MMC, Inc. $ 7,448,000 PCL Construction, Inc. $ 7,915,097 Stanek Constructors, Inc. $ 8,787,600 Construction Cost Estimates October 2018 $5,800,000 (at time of last budget increase) May 2019 $6,100,000 (when advertised for bids) • Proposed Pro ect Budget Proposed . - Budget. Construction Contract $5,800,000 $6,900,000 $1,100,000 Construction Contract Contingency $517,914 $690,000 $172,086 OCSD Labor $1,434,083 $1,434,083 $0 Consultant Design Contract $550,054 $550,054 $0 Professional Construction Support $140,000 $140,000 $0 Services General Contingency $557,949 $585,863 $27,914 Total $9,000,000 $10,300,000 $1,300,000 Recommendation • Approve a budget increase of $ 1,300,000 for Return Activated Sludge Piping Replacement at Activated Sludge Plant No. 1, Project No. 131-129, for a total budget amount of $ 10, 300,,000. • Approve a Professional Construction Service Agreement with AECOM Technical Services Inc., for an amount of $ 140,000 with a $ 14,000 contingency.