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Annual Street Overlay and Rehabilitation 18-20 <br />Contract with DeSilva Gates Construction <br />Existing and Potential Change Order Summary <br />CCO Description Amount <br />1 Add additional curb ramp work $32,425 <br />1 Add additional valley gutter work $11,710 <br />2 Add additional curb ramp work $7,200 <br />3 <br />Replace non standard driveway approaches within the project limits at the request of property <br />owners. Represents the amount of work that was requested by property owners after the work <br />had been bid. $152,360 <br />4 Add additional curb ramp work $43,243 <br />4 <br />Change irrigation at Marina/Aurora and Corvallis/Farnsworth to comply with EBMUD <br />requirements for water usage.$11,868 <br />4 Revise curb ramp at Graff Ct to accommodate existing slopes and walkways. $6,500 <br />5Replace 17 existing curb ramps on Corvallis found to be non-compliant $67,500 <br />5 Add speed feedback signs on Bancroft and speed cushions on Harlan. $63,330 <br />5 Add concrete repairs to the median on Halcyon $18,670 <br />5 <br />Add additional signal detector loops to be reset, and detector hand holes to be demolished and <br />reset to match actual number in the field. $10,000 <br />6 Increase HMA quantity $143,169 <br />6 Add additional concrete and AC work related to 17 new ramps on (Corvallis)$72,893 <br />6 Add additional concrete removal $57,260 <br />6 <br />Add additional signal detector hand holes to be demolished and reset to match actual number <br />in the field.$55,500 <br />6 Add additional qty of irrigation sleeves $15,700 <br />6 Revise SD connections at Marina/Aurora due to conflict with existing utility $10,175 <br />6 Add additional valley gutter work $4,015 <br />6 Add additional quantity of signage and striping $1,980 <br />7 <br />Add striping and pavement work on Halcyon to provide a complete project while we wait for <br />the railroad to approve widening of Halcyon. $28,480 <br />7 Add pavement work on Rosewood to accommodate new valley gutter and improve drainage $10,160 <br />7 Add modification of video detection at Washington Springlake to match work shown on plans. $6,330 <br />7 Add RRFBs at 4 crossings on Lewelling and MacArthur – signage. $2,677 <br />8Regrade Williams Street to match new design based on new topographic survey $171,600 <br />8 Add speed cushions $60,530 <br />9 <br />Increase pavement thickness on Williams Street to compensate for less existing pavement <br />than anticipated.$173,250 <br />10 <br />Install 12 RRFB poles and equipment and 4 new curb ramps at 4 crossings on Lewelling and <br />MacArthur. $240,499 <br />11 Phase paving work on Marina to permit 2 way traffic and maintain bus service, part 1 $129,000 <br />11 <br />Expand paving limits on Marina at Aurora to extend full length of new concrete bulb outs on <br />Aurora. Limit work to Saturday to avoid conflict with school traffic. $34,793 <br />11 Demo speed cushions on Wicks at Marina in conflict with bike route $5,676 <br />11 Sandblast concrete to remain that was painted in error $3,000 <br />11 Demolished unforeseen buried concrete on Williams $2,115 <br />11 Install temporary AC ramps at steep driveway approaches on Oakes $1,405 <br />12 Hand work around RR tracks Halcyon per CB 5 on T&M $45,632 <br />12 Aladdin Ave weekend work to accommodate ACI and change in section over utilities $136,474 <br />12 T&M Corvallis Clean up out of sequence for school opening $2,755 <br />12 T&M Temp striping at Marina Aurora cross walks per field direction $1,857 <br />12 K rail Marina on T&M to maintain 2 way traffic in lieu of 1 way traffic $22,297 <br />12 Remove abandoned utility Marina WB sta 10+80 to 18+50 and 22+50 to 27+11 on T&M $13,407 <br />12 Add paving fabric Marina EB at soft subgrade @ $9.09/SY plus m/u $35,792 <br />12 R&R driveway approaches per homeowner requests $105,806 <br />12 Resurvey Corvallis due to CB 20, change in grades $3,190 <br />13 AC / Crude Oil Price Index Adjustment - Month of May 2021 $13,349 <br />13 AC / Crude Oil Price Index Adjustment - Month of June 2021 $92,197 <br />13 AC / Crude Oil Price Index Adjustment - Month of July 2021 $59,965 <br />13 AC / Crude Oil Price Index Adjustment - Month of August 2021 $32,553 <br />13 AC / Crude Oil Price Index Adjustment - Month of September 2021 $11,608 <br />13 AC / Crude Oil Price Index Adjustment - Month of October 2021 $55,543 <br />13 AC / Crude Oil Price Index Adjustment - Month of November 2021 $50,000 <br />13 Paving Marina B&G club parking spot per CB 18 on T&M $10,989 <br />13 Paving on soft subgrade Marina EB, use of super dumps and 3rd roller, includes lost time $29,660 <br />13 Add traffic calming striping to Best Ave per CB 24 $7,259 <br />TBD Modify/recast 3 SD inlets Marina at Aurora per CB 11 $3,000 <br />TBD Oil price adjustment on remaining AC $80,000 <br />TBD Additional grind Marina due to new grades CB 23 $15,000 <br />TBD 6" post CTB digouts Marina at soft areas $5,000 <br />TBD Demo buried concrete Marina on T&M $4,000 <br />TBD Benedict Ct digouts/repair at soft subgrade $4,200 <br />TBD Corvallis clean up for winter stopage not including iron $3,000 <br />TBD Demo concrete cap over SS Marina on T&M $4,000 <br />TBD Dewater SS repair #3 Marina Blvd $5,000 <br />TBD SD changes on Marina per CB 17 $6,000 <br />TBD Corvallis premium time, trucking escallation Dec to April to work around school schedule $44,000 <br />Total Existing and Potential Change Orders as of 1/4/2022 $2,558,547