Exhibit 1 - Agenda Information Sheet CO 1City of Denton
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AGENDA INFORMATION SHEET DEPARTMENT: Procurement
ACM: Christine Taylor
DATE: April 15, 2025 SUBJECT
Consider adoption of an ordinance of the City of Denton, a Texas home-rule municipal corporation, authorizing the City Manager to execute Change Order No. 1 to the contract between the City of Denton and Texas Materials Group, Inc., for the construction of the Robinwood Reconstruction Project for the Capital Projects Department; providing for the expenditure of funds therefor; and providing an effective
date (CSP 8586 – Change Order No. 1 in the not-to-exceed amount of $301,421.50, for a total contract
award aggregated to $3,097,446.88). The Public Utilities Board will consider this item on Monday, April 14, 2025. STRATEGIC ALIGNMENT
This action supports Key Focus Area: Enhance Infrastructure and Mobility. INFORMATION/BACKGROUND
The Robinwood Reconstruction project contains full-depth road reconstruction for the following street
sections: Robinwood Lane, Clover Lane, Live Oak Street, Shadywood St, and Mistywood Lane, along with drainage improvements. The original project total of $2,796,025.38 included $133,144.07 for the Owners' Contingency, which is designated for the sole use of the City in the event of encountering unforeseeable conditions and at the City's discretion.
Geotechnical reports from Raba Kistner in October of 2023 recommended Lime subgrade stabilization of the subgrade. Upon existing pavement removal, Texas Materials found the existing subgrade to be an extremely sandy consistency. City staff then ordered additional testing from Raba Kistner in January 2025, where results recommended using a Cement Stabilizer for the subgrade in lieu of lime. Field visits that
included City Street Department representatives confirmed that the best course of action was to remove the
newly placed layer of asphalt, allowing cement to be added to the subgrade. Limits for these actions included Robinwood (Emerson – Live Oak), Clover (Robinwood – Glenwood), Live Oak (Robinwood – Crestwood), and remixing the subgrade with a cement stabilizer.
The purpose of Change Order No. 1 will be for the additional milling of Type B asphalt and added cement
stabilization, and re-installation of base asphalt pavement for the following project sections: Robinwood (Emerson – Live Oak), Clover (Robinwood – Glenwood), and Live Oak (Robinwood – Crestwood). The total amount for this change order is $434,558.46. This includes utilizing $133,136.96 of the existing
contingency allowance, $101,421.50 of non-contingency funds, and an additional $200,000.00 for an added
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contingency allowance. A contingency allowance, if any, is for the sole use of the City and will be subject to written authorization by the City’s Project Manager and Program Manager.
PRIOR ACTION/REVIEW (COUNCIL, BOARDS, COMMISSIONS) On September 17, 2024, City Council approved a contract with Texas Materials Group, Inc., in the not-to-exceed amount of $2,796,025.38. (Ordinance 24-1773).
On April 14, 2025, this item will be presented to the Public Utilities Board (PUB) for consideration. RECOMMENDATION
Award Change Order No. 1 with Texas Materials Group, Inc., for the construction of the Robinwood
Reconstruction Project for the Capital Projects Department, in a not-to-exceed amount of $434,558.46, for a total amended contract amount of $3,097,446.88. PRINCIPAL PLACE OF BUSINESS
Texas Materials Group, Inc. Irving, TX SUSTAINABILITY MEASURES
The Robinwood Reconstruction Project aligns with the Sustainability Framework's focus areas of Material Resource Management and Transportation by incorporating environmentally friendly practices and materials. To ensure sustainability, we will utilize cement stabilization instead of traditional lime stabilization, enhancing the durability of roadways and reducing the need for future repairs, which
ultimately minimizes resource consumption.
ESTIMATED SCHEDULE OF PROJECT Construction for Robinwood Reconstruction started December 2, 2024, with a substantial completion date
of June 27, 2025, and an estimated final completion in Q3 of 2025.
FISCAL INFORMATION These services will be funded from Wastewater Projects account 645259.545.40100. Purchase Order
#208613 will be revised to include the first amendment amount of $101,421.50. The total amended amount
of this contract is $3,097,446.88. EXHIBITS
Exhibit 1: Agenda Information Sheet
Exhibit 2: Original Ordinance and Contract Exhibit 3: Ordinance and Change Order No. 1
Respectfully submitted: Lori Hewell, 940-349-7100 Purchasing Manager
For information concerning this acquisition, contact: Sheldon Gatewood, 940-349-7423.
Legal point of contact: Marcella Lunn at 940-349-8333.