Commissioners Court - Regular Session

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13.

Meeting Date:	05/24/2011
Submitted By:	Tiffany Mcconnell, Road Bond
Department:	Road Bond

Agenda Item

Consider approving Change Order No. 18 in the amount of $59,515.43 for US 79 Section 5A, a Pass Through Financing Project in Precinct Four.

Background

Contract Item 341 DENSE-GRADED HOT-MIX ASPHALT (QC/QA) requires the adjustment of compensation paid to the contractor based on the quality of the hot mix asphalt pavement produced and placed on the eastbound lanes. Specific job control tests were run on the asphalt (see attached back-up documentation) to monitor the quality of the mix. Using the results of these tests in conjunction with TxDOT formulas as outlined in the specifications, the Contractor was either awarded a bonus or assessed a penalty. This change order adds the pay item below to the contract in order to make the remainder of these pay adjustments that have not already been paid.

In addition, This Change Order includes the pay adjustment for the Ride Quality for the roadway pavement as required by Contract Item 585 RIDE QUALITY FOR PAVEMENT SURFACES. The pay adjustment is based on ride quality analyses completed with an inertial profiler (see attached back-up reports). This adjustment is made as it relates directly to the smoothness of the final pavement surface.

Fiscal Impact

From/To	Acct No.	Description	Amount

Attachments
08WC619 US 79 Sec 5A CO18
US 79 Sec 5A Backup
US 79 Sec 5A IRI Certification
Change Order 18 for US 79 Section 5A

Form Review

Inbox	Reviewed By	Date
County Judge Exec Asst.	Wendy Coco	05/19/2011 11:02 AM
Form Started By: kzaleski		Started On: 05/19/2011 10:35 AM
Final Approval Date: 05/19/2011