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Brentwood City Commission Agenda

Meeting Date:	02/12/2018
Resolution 2018-09 - Agreement with Sessions Paving for Signalization of the Ragsdale/Split Log Road Intersection
Submitted by:	Mike Harris, Engineering
Department:	Engineering

Information

Subject

Resolution 2018-09- Agreement with Sessions Paving for Signalization of the Ragsdale/Split Log Road Intersection

Background

The three way T intersection of Ragsdale Road and Split Log Road experiences significant delay during peak times as development on the east side of Brentwood and in Nolensville continues at a strong pace. Additionally, Williamson County Schools recently initiated construction of an elementary school, to be followed by a middle school at some point in the future, on the "Foster" tract approximately 1 mile east of this intersection. Continued growth in this area is anticipated, and the delay at the intersection will continue to worsen. The fact that the intersection is a three-way stop is especially problematic at this location. An alternatives study of several options for improvements to reduce delay and increase the capacity at this location was conducted.

The results of the study indicate the best alternative is a two phased approach. First, phase I will signalize the intersection in its present configuration with Phase II coming later. Phase II would include widening to provide double westbound left turn lanes coupled with widening of Split Log to the west for 1,500-2,000 feet to accept the double westbound left turns. Also, Ragsdale Road will be widened for a short distance to provide a dedicated southbound left turn. Copies of documents generated during the alternatives study are attached for information as well as a schematic sketch of the proposed selected layout (after phase II).

The agreement currently under consideration includes construction of Phase I (contract attached). Phase I includes signalization, milling/paving, striping, signage and other associated work. The signal poles will be located such that relocation in Phase II will not be necessary. After completion of Phase I and the new school is open, performance of the intersection will be monitored to plan the timing of the future Phase II. Detailed design of Phase II will be accomplished later under a separate design agreement once it is determined the additional improvements are warranted.

Competitive bids were solicited for Phase I improvements and a mandatory pre-bid meeting held on January 5, 2018. Seven contractors attended the mandatory pre-bid meeting. Bids were publicly opened and read aloud on January 11, 2018, three bids were received. The apparent low bidder was Sessions Paving Company, see attached bid tabulation and recommendation from the engineer of record. We are recommending a contract be awarded to the low bidder, Session Paving Company, in the amount of $406,978.65 which includes a $25,000 contingency allowance that would only be authorized via change order approved by the City.

The goal is to have Phase I improvements completed by fall of 2018 when the new elementary school is scheduled to open. Funding for this project is programed as part of the FY 2018-2023 Capital Improvements Program.

Please direct any questions to the Engineering Director.

Staff Recommendation

Staff recommends entering into a contract with Sessions Paving Company for this project.

Previous Commission Action

The City Commission authorized an agreement with Sullivan Engineering, Inc. for the alternatives study of this intersection at the April 10, 2017 meeting via Resolution 2017-26.

The City Commission approved an agreement with Sullivan Engineering, Inc. for preliminary design of Phase I & II improvements, plus detailed design of Phase I improvements via Resolution 2017-62 at the August 28, 2017 meeting.

Fiscal Impact

Amount :	$406,978.65
Source of Funds:	Capital Projects Fund
Account Number:	311-43100-1044

Fiscal Impact:

Funding for this project is included in the FY 2018 Capital Projects Fund budget. The contract amount of $406,978.65 includes a $25,000 contingency allowance and is within the budgeted amount.

Attachments
Resolution 2018-09
Contract
Bid Tabulation & Engineer Recommendation
Alternatives Analysis Data
Alternatives Discussion Points
Proposed Layout
Signed Resolution