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43.

Meeting Date:	12/18/2012
10WC822 Chandler Road Phase 3A Change Order No 4
Submitted By:	Tiffany Mcconnell, Road Bond
Department:	Road Bond
Agenda Category:	Regular Agenda Items

Information

Agenda Item

Consider approving Change Order No. 4 in the amount of $52,634.44 for Chandler Road Phase 3A, a Road Bond Project in Precinct Four.

Background

This Change Order adds erosion control measures, guardrail and a driveway culvert pipe due to miscellaneous differences in site conditions. It also revises the seed mixture and application method to be used on the project.
Additional erosion control measures are needed to address locations where runoff from the adjacent field drains into the County ROW. The additional measures include both rock and concrete riprap protection to minimize erosion and reduce future maintenance. Also, additional guardrail is required from Sta. 63+50 to 68+20 along the north side of the roadway to protect from side slopes steeper than 3:1. The addition of guardrail requires adding a concrete riprap mow strip, a single guardrail terminal and a driveway terminal anchor. A culvert pipe will also be added under Driveway O at Sta. 205+96 to minimize ponding at this location. This Change Order also changes the seed mix to a custom County seed mix as directed by the County Engineer and changes the application method to drill seeding, which generates a cost savings to the County. The new seed mix contains a higher concentration of Bermuda grass seed and is much more resistant to the herbicides utilized by the adjacent farmers.

Fiscal Impact

From/To	Acct No.	Description	Amount

Attachments
Chandler 3A CO 4

Form Review

Inbox	Reviewed By	Date
County Judge Exec Asst.	Wendy Coco	12/13/2012 02:41 PM
Form Started By: kzaleski		Started On: 12/13/2012 08:42 AM
Final Approval Date: 12/13/2012