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Approve Appropriation Adjustment
<br />September 21, 2021
<br />Page 2
<br />6. Approve an amendment to the Fiscal Year 2021-22 Capital Improvement Program to
<br />include $750,000 in construction funds for Main Street Rehabilitation from Edinger
<br />Avenue to First Street (Project No. 18-6911).
<br />7. Approve an amendment to the Fiscal Year 2021-22 Capital Improvement Program to
<br />include $750,000 in construction funds for Main Street Rehabilitation from Warner
<br />Avenue to Edinger Avenue (Project No. 20-6958).
<br />8. Authorize the City Manager to execute an amendment to the agreement with Butier
<br />Engineering, Inc. for construction engineering services to increase the agreement
<br />amount by $200,000 and the contingency by $100,000, for a total agreement amount
<br />of $1,236,924, subject to non -substantive changes approved by the City Manager and
<br />the City Attorney.
<br />9. Approve an amendment to the Project Cost Analysis in the amount of $3,275,000 for
<br />$1,630,000 in additional contingency funds, $1,500,000 in street light contingencies,
<br />and $145,000 in additional contract administration, inspection and testing for a new
<br />estimated total construction delivery cost of $21,584,245. The new estimated total
<br />construction delivery costs include $12,759,695 for the construction contract,
<br />$1,899,050 for contract administration, inspection and testing, and a $6,925,500
<br />project contingency for unanticipated or unforeseen work, subject to non -substantive
<br />changes approved by the City Manager and City Attorney.
<br />DISCUSSION
<br />On January 19, 2021, the City Council awarded a construction contract to C.S. Legacy
<br />Construction for the South Main Street Corridor Improvements (Exhibit 1). The project's
<br />scope of work includes: monument signs, enhanced lighting, hardscaping, landscaping,
<br />irrigation, traffic signals, signing, striping, street pavement rehabilitation, sewer main
<br />replacement, and water main repair over a 2.5-mile stretch of Main Street from First Street
<br />to Dyer Road.
<br />During construction, unidentified utilities were encountered along the sewer main
<br />alignment, requiring a revision to the sewer main infrastructure at those locations.
<br />Additionally, it was determined that existing soil conditions are not suitable to be reused
<br />as backfill material within the sewer trench. Because of these unforeseen conditions,
<br />staff recommends adding $275,000 in Sanitary Sewer funding to the project
<br />contingencies (Exhibit 2).
<br />The Public Works' Water Resources staff has determined that the water main line and
<br />laterals between Edinger Avenue and Warner Avenue have deteriorated and are
<br />undersized. To prevent system failure, the main and laterals will need to be replaced. At
<br />the time of the contract award, due to concerns about the condition of the existing water
<br />main, the City Council approved $2,500,000 for "Water Main Repair Contingencies."
<br />However, upon conducting thorough field investigations and receiving quotes to do the
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