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Meeting Date:	08/14/2017
APPROVE SUPPLEMENTAL WORK AUTHORIZATION NO. 5 TO WORK AUTHORIZATION NO. 2
Submitted for:	Martha Palacios	Submitted By:	Martha Palacios
Department:	Engineering

Subject:

Discussion and possible action to approve Dannenbaum Engineering Corporation's Supplemental Work Authorization No. 5 to Work Authorization No. 2 in the amount of $253,660.11. Supplemental Work Authorization No. 5 to Work Authorization No. 2 is for the scope and fee required to Site nine (9) detention basins required for the construction of the Loop 20 Extension Project as required by the Texas Department of Transportation (TxDOT CSJ: 0086-14-058). All other provisions of the Main Contract are unchanged and remain in full force and effect. Additional scope of services of which 100% will be reimbursed by the Texas Department of Transportation (TxDOT) contingent on their approval and; authorize the County Judge to sign all relevant documents. [Account #644-8001-6022 (Professional Services)]

Issue: Amend scope of services: scope and fee required to Site nine (9) detention basins required for the construction of the Loop 20 Extension Project.

Solution: Approve Supplemental Work Authorization No. 5 to Work Authorization No. 2. The Contract is being increased by $253,660.11.

Result: Include all additional necessary services as required and approved by the Texas Department of Transportation. Execute Supplemental Work Authorization No. 5 to Work Authorization No. 2 and continue with project.

Background:

N/A

Previous Court Action:

July 10, 2017 - Commissioner Court approved Agenda Item 14:
a. approved to rescind Dannenbaum Engineering Corporation's Supplemental Agreement No. 7 to the Main Contract which was approved in Commissioner Court, December 12, 2016; and
b. approved revised Dannenbaum Engineering Corporation's Supplemental Agreement No. 7 to Main Contract. This Supplemental No. 7 is adding Supplemental Work Authorization No. 4 to Work Authorization No. 2 for additional Advanced Planning Services for TxDOT CSJ: 0086-14-058; and
c. approved Dannenbaum Engineering Corporation's Supplemental Work Authorization No, 4 to Work Authorization No. 2 in the amount of $74,347.69. Supplemental Work Authorization No. 4 to Work Authorization No. 2 is adding Engineering Services/Fee for reduction of Frontage Road (TxDOT CSJ: 0086-14-058).

Fiscal Impact

Budget Account Number:	0
Funding Source:	0
Balance:	0
Financial Impact:
[Account #644-8001-6022 (Professional Services)]

Attachments
ORIGINAL-Suppl Work Auth No. 5 to Work Auth No. 2
ATTACHMENT E2-CORRECTIONS
EXHIBIT C1-CORRECTIONS
REVISED-Suppl Work Auth No. 5 to Work Auth No. 2