CCO # Execution
Date
CCO Amount (Paid w/
Contingency Reserve) Details of Change
1 2/10/2023 $1,539.24 Placed stabilization fabric under curb, gutter, and sidewalk on Hawthorne Drive due to shallow bay mud.
2 2/10/2023 $9,658.24 Replacement of vertical curb around center island on Hawthorne Drive to correct drainage. 3 2/10/2023 $51,885.90 Repair 4 manholes along Sunnybrae Blvd that were poorly constructed. 4 2/10/2023 $7,047.91 Adjustment of 15 irregular water valve sleeves (solid steel sleeves) along Sunnybrae Blvd. 5 3/13/2023 $76,866.00 Repair and lower shallow storm drain pipe on Hawthorne Drive. Install traffic-rated access boxes to storm drain pipes on Hawthorne Drive and Sunnybrae Blvd. 6 3/30/2023 $0.00
Perform potholing on Sunnybrae Blvd and Hawthorne Drive after discovery of shallow bay mud to determine the extent. The work for this no-cost CCO was tracked on a T&M basis and paid under the Unstable Subgrade Allowance in the original contract. 7 3/30/2023 $0.00
Perform base failure repairs throughout the project area, including over excavation. The work for this no-cost CCO was tracked on a T&M basis due to the change in quantity and size of the repair locations which produced a change in means and methods and paid under the original contract amount.
8 4/10/2023 $0.00
Modifications to the streetlight scope of the project due to differing existing conditions discovered during construction. This work for this no-cost CCO was paid under the electrical bid item under the original contract amount.
9 4/24/2023 $85,311.72
Perform Cement Full Depth Reclamation (FDR) on Sunnybrae Blvd (between Birch and Grant) and on Hawthorne Drive (1128 Hawthorne to Sunnybrae). The Sunnybrae FDR was successful while the Hawthorne FDR was not. A portion of this work was paid under the Unstable Subgrade Allowance in the original conact and the remaining work through the contingency reserve. 10 9/12/2023 $483,930.15
Perform Cement/Lime Full Depth Reclamation (FDR) on Guildford Avenue (Sunnybrae to Grant) and on Hawthorne Drive (1128 Hawthorne to Sunnybrae). This work was approved with emergency authorization. The CCO based on estimated quantities was $475,912 and shall be revised to reflect actual quantities to be $483,930.15.
11 10/26/2023 $0.00
Perform base failure repairs on Guildford Avenue that were discovered after performing grinding operations. The work for this no-cost CCO was paid via the bid item under the original contract amount but tracked on a T&M basis due to the change in quantity and size of the repair locations which produced a change in means and methods.
TOTAL $716,239.16
Att 2 - Citywide Street Reconstruction Phase 3 - Teichert Construction - Contract Change Order Summary (as of 10/27/2023)