SUBJECT
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Authorizing the City Manager to execute and approve Amendment #7, for the additional Engineering Services contract with Crane Engineering - Laredo, Texas in the amount of $263,241.10 for the Eastern Chacon Creek 18" - 36" Interceptor from Vaquillas Lift Station to India Avenue and Gates Street. The new total contract amount with this amendment is $904,666.42. The additional services will assist the City with several tasks including: Rain Event Assessment and Repairs; USACE Inspection Response and Stream Restoration; Assessment of Pipe Installation across TxDOT Loop 20 right-of-way,SW3P Update; Dryden/Cavazos Coordination on Incorrect Landowner; Update of Channel Design to address Impacts from 100-year storm; and Groundwater issues during construction. Funding is available in the 2019 Sewer Revenue Bond and 2019 Environmental C.O.
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PREVIOUS COUNCIL ACTION
The Laredo City Council approved original engineering consultant services contract amounting to $419,313.26 to Crane Engineering on September 4, 2018 for the design, bidding and construction management of the 18" - 36" Eastern Chacon Creek Interceptor from Vaquillas Lift Station to India Avenue and Gates Street.
City Council on January 22, 2019 approved Amendment #1 amounting to $26,510.00 to provide Environmental Services to address study and compliance with Army Corps of Engineers.
City Council on June 17, 2019 approved Amendment #2 amounting to $51,344.88 to perform Hydrologic and Hydraulic Study on existing conditions in East Chacon Creek, prepare plans, specifications, and cost estimates for channel improvements, as well as develop a regional stormwater master plan from Summers Pond to Loop 20.
City Council on January 21, 2020 approved Amendment #3 amounting to $106,525.33 to prepare plans, specifications, cost estimates, utility coordination, and construction oversight for reconstruction of Century City Boulevard bridge to be above the 100 year flow, as well as create pedestrain crossings underneath and for additional channel improvements.
City Council on May 4, 2020 approved Amendment #4 amounting to $10,781.85 to prepare and submit a nationwide permit, pre-construction notice and submittal to the U.S. Army Corps of Engineers.
City Council on August 3, 2020 approved Amendment #5 amounting to $3,000.00 for additional field investigations requested by the Texas Historic Commission (THC) and the U.S. Army Corps of Engineers for the nationwide permit pre-construction notice (PCN)
City Council on September 7, 2021 approved Amendment #6 amounting to $23,950.00 for sealed boundary survey with metes and bounds descriptions for properties and easements the City needs to acquire to complete the project.
BACKGROUND
This Amendment #7 provides additional services to assist the City with several tasks
including: Rain Event Assessment and Repairs; USACE Inspection Response
and Stream Restoration; Assessment of Pipe Installation across TxDOT Loop 20 right-of-way,SW3P Update; Dryden/Cavazos Coordination on Incorrect Landowner; Update of Channel Design to address Impacts from 100-year storm; and Groundwater issues during construction. USACE Mitigation and rain delay damages to be reimbursed to the City through liquidated damages and or reduction of the contractor’s retainage upon completion of the project and final payment.
COMMITTEE RECOMMENDATION
NA
STAFF RECOMMENDATION
recommendation
Passage of the Motion
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Fiscal Impact
Fiscal Year: 24
Budgeted Y/N?: Y
Source of Funds: 2016 Environmental CO, 2019 Sewer Revenue Bond
Account #: 249-9871-545-9301, 559-9875-535-9301
Change Order: Exceeds 25% Y/N: Y
FINANCIAL IMPACT:
Funding is available in the 2016 Environmental CO 249-9871-545-9301 $ 95,427.62, and the Funding is available in the 2019 Sewer Revenue Bond Account number 559-9875-535-9301 $ 167,8133.48