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CITY OF SANTA ANA <br />PROPOSAL ADDENDUM FOUR <br />PROJECT NO.: 17-6437 <br />CITYWIDE SEWER MAIN IMPROVEMENTS <br />Item <br />Description <br />Qty <br />Unit <br />Unit Price <br />Amount <br />15 <br />Traffic Control <br />I <br />LS <br />S <br />49,136.78 <br />S <br />49,136.78 <br />16 <br />Signing and Striping <br />I <br />LS <br />S <br />31,097.00 <br />S <br />31,097.00 <br />*17 <br />Imported Backfill Material (As Needed) <br />900 <br />Cy <br />S50 <br />$45,000 <br />• 18 <br />Additional Potholing (As Needed) <br />10 <br />EA <br />S <br />1,263.60 <br />S <br />12,636.OD <br />19 <br />Sewer Flow Level Monitoring & Alarming <br />Device <br />2 <br />EA <br />S <br />5,879.50 <br />S <br />11,759.00 <br />20 <br />Labor Agreement Oversight <br />1 <br />LS <br />S20,000 <br />$20,000 <br />21 <br />As -Built <br />I <br />LS <br />525,000 <br />$25,000 <br />022 <br />Backflow Prevention Device <br />2 <br />EA <br />$750 <br />51,500 <br />2 ;2 of P111 <br />