Title
Consider/Discuss/Act on a Resolution Authorizing the City Manager to Execute a Supplemental Agreement number 5 with Johnson, Mirmiran and Thompson, Inc. for Professional Engineering Design Services for the Virginia and Throckmorton Infrastructure Improvements (Municipal Complex) Project
Summary
COUNCIL GOAL: Operational Excellence
(2B: Balance available resources to accommodate the growth and maintenance needs of the city)
MEETING DATE: July 16, 2024
DEPARTMENT: Development Services / Engineering
CONTACT: Blake Sills, P.E., CIP Engineering Manager
Aniswarie Kanamazina, P.E., CIP Project Manager
RECOMMENDED CITY COUNCIL ACTION:
• Approval of Resolution.
ITEM SUMMARY:
• This Resolution authorizes a supplemental agreement number 5 with Johnson, Mirmiran and Thompson, Inc. to provide additional professional engineering services for the design of the Virginia and Throckmorton Infrastructure Improvements (Municipal Complex) Project (CIP Projects ST2235, WA2235, and WW2235 - Formerly CO2235) for an increase in the not to exceed from $1,350,000 to a total aggregate contract amount, inclusive of any additional supplemental agreements, not to exceed $1,450,000.
BACKGROUND INFORMATION:
• Johnson, Mirmiran and Thompson, Inc. is currently under contract with the City for the design and construction administration services related to the Virginia and Throckmorton Infrastructure Improvements (Municipal Complex) Project. As construction has progressed, the following additional services have/will be required which were not included in the original contract:
o Modifications to the waterline design and the utility duct bank design because of the Atmos gas line relocation onto the area where the duct bank was proposed to be installed.
o Additional coordination to address traffic control phasing changes and other unforeseen changes anticipated during construction of the project.
o Develop design alternatives to address driveway access to properties south of Virginia Street resulting from rephasing the traffic control plan.
• Construction of the project began in March 2024 and is expected to be completed by Spring 2025.
• Johnson, Mirmiran and Thompson, Inc. submitted a proposal of $75,000.00 for these additional services ($1,418,590.81 aggregate contract total), which has been reviewed by staff and exceeds the previously authorized not to exceed amount of $1,350,000.00.
FINANCIAL SUMMARY:
• This Resolution authorizes a supplemental agreement number 5 with Johnson, Mirmiran and Thompson, Inc., for an increase in the not to exceed contract amount from $1,350,000 to a total aggregate contract amount, inclusive of any additional supplemental agreements, not to exceed $1,450,000.
• Funding for this contract is included in the Capital Improvements Program (ST2235 and WA2235).
o Project ST2235 - $66,810.
o Project WA2235 - $33,190.
• With approval of this item, $2,331.60 will remain in project ST2235, $93,109.95 will remain in project WA2235.
BOARD OR COMMISSION RECOMMENDATION:
• N/A