To: Harris County Commissioners Court
Through: Russell A. Poppe, P.E., Executive Director, Harris County Flood Control District
prepared
Prepared By: Matthew K. Zeve, P.E., Deputy Executive Director, Harris County Flood Control District
Subject: Amendment No. 1 to Agreement with Lockwood, Andres & Newnam, Inc.
end
Project ID (If applicable]: P500-06-00-E06
Purpose and Request:
title:
Recommendation for authorization to execute amendment No. 1 to an agreement for engineering services with Lockwood, Andrews and Newnam, Inc. to support construction of the Lauder Stormwater Detention Basin Phase II on HCFCD Unit P500-06-00. Funds are available in the amount of $150,000. (Greens Bayou Watershed, Bond ID C-34, Project ID P500-06-00-E006, Agreement No. 2020-60, Precinct 2).
end
Background and Discussion:
As part of the Greens Bayou Mid-Reach Study, construction of the Lauder Stormwater Detention Basin (SWDB) will provide flood reduction for 10-year storm events and mitigation for channel improvements along Greens Bayou. The goal of Phase II is to provide a minimum of 672-acre feet of detention volume. The final design of Lauder SWDB Phase I was completed in January 2020, and construction started in July 2020. Once completed, the Lauder SWDB Phase 1 will provide 588 ac-ft of detention volume. Design of Phase II was started in December 2020 by Lockwood Andrews & Newnam, Inc. Additional funds are in support of construction phase services, additional environmental work and revisions. Current funding will allow for the construction of a portion of the south compartment with a target volume of 353-acre feet.
Fiscal Impact: Funding is covered under the NRCS grant for Technical Assistance.
Fiscal Summary
Expenditures
FY 20-21
FY 21-22 Projected
Future Years Projected [3 additional years]
Service Impacted:
[Please provide service or division where expenditure will be used]*
Existing Budget
$0
$0
$0
Additional Appropriation Requested
$0
$0
$0
Total Ex...
Click here for full text