City Council
259 N. Wilma Avenue
Ripon, CA 95366
MEMO
To: Honorable City Council
From: Sarah Collins, Senior Civil Engineer
Date: 04/12/2022
Subject: Stockton Avenue Rehabilitation Change Order 10 RECOMMENDED ACTION:
Approve Change Order No. 10 in the not to exceed amount of $19,159.86 for additional concrete driveway work (funding source: Measure K Grant).
BACKGROUND:
The Stockton Avenue Rehabilitation Project was awarded to D.A. Wood Construction, Inc. at the February 9, 2021 City Council meeting for an amount of $4,747,866.50. The Stockton Avenue Rehabilitation Project will involve a complete road reconstruction from Second St. to Doak Blvd, including the repair and replacement of several underground utilities along with the installation of concrete pavers, new streetlights, and 6-foot sidewalks.
At the April 13, 2021 City Council meeting, Council approved Change Order No. 1 in the not to exceed amount of $189,062.81 for the truck detour improvements required on private property and changes to the scope of the project at the request of Ripon Manufacturing Company.
At the June 8, 2021 City Council meeting, Council approved Change Order No. 2 in the not to exceed amount of $28,174.31 for the increase in price of PVC pipe material due to a national material shortage.
At the August 10, 2021 City Council meeting, Council approved Change Order No. 3 in the not to exceed amount of $135,904.03 for various unforeseen field conditions that required changes to the contract documents.
At the September, 14, 2021 City Council meeting, Council approved Change Order No. 4 in the not to exceed amount of $38,764.98 to locate a water lateral and for additional work needed for storm drain conflicts on Stockton Avenue between Doak Boulevard and Fifth Street.
At the November 9, 2021 City Council meeting, Council approved Change Order No. 5 in the not to exceed amount of $60,265.77 for additional work necessary to lower the elevation of 48” Storm Drain Pipe installed to avoid an existing PG&E transmission line.
At the December 14, 2021 City Council meeting, Council approved Change Order No. 6 in the not to exceed amount of $11,351.00 to adjust catch basins to eliminate conflicts with an MID electrical line and PG&E gas transmission line.
At the January 11, 2022 City Council meeting, Council approved Change Order No. 7 in the not to exceed amount of $24,300.00 for three field changes required to install the water line.
At the February 8, 2022 City Council meeting, Council approved Change Order No. 8 in the not to exceed amount of $36,120.00 for four field changes required to resolve storm drain conflicts.
At the March 8, 2022 City Council meeting, Council approved Change Order 9 in the not to exceed amount of $40,076.00 for additional potholing required to adhere to PG&E internal standards, demolition of an industrial sewer manhole found within the proposed curb and gutter, upsizing street light conduits and the demolition of asphalt found buried beneath existing soil on Stockton Avenue.
DISCUSSION:
During the installation of the concrete sidewalk at the properties of Dave Hall Masonry, DeGraff Development, and Jackrabbit, it was noted that the sidewalk at the driveways to these properties needed additional reinforcement. Additionally, a frequently used access point near MID (STA 10+75 to 11+00) was noted, and a driveway was provided to access the industrial sewer manhole and utility alleyway. This change order covers the additional costs associated with the rebar reinforcement and additional concrete driveway.
FISCAL IMPACT:
The attached Change Order No. 10 is in the amount of $19,159.86 and will be funded through the Measure K Grant.
To summarize the funding sources to date for the Stockton Avenue Rehabilitation project, please see table below.
Amount Fund Balance
(2/28/22)
Original Contract Price $4,747,866.50 n/a
Change Orders (No. 1-10) $ 583,178.76 n/a
Current Contract Price $5,331,045.26
Funding Sources:
RSTP Grant $1,777,000.00 $1,777,000
Measure K Regional Arterial a $2,038,116.62 $2,200,000
Water Enterprise Capital $ 624,368.93 $6,303,476
Sewer Enterprise Capital $ 814,018.94 $1,424,885
Stormwater Enterprise Capital $ 77,540.77 $410,113
Allocated Funding (as of 3/31/22) $5,331,045.26
a. The City of Ripon was allocated $2.2 million of Measure K Regional Arterial funding. As of 3/31/22, $161,883.38 is available to be allocated to future change orders.
Attachments:
1. CO 10_D.A. Wood Construction,Inc