San Leandro City Council
February 22, 2022

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