Title
Approving the selection of Halff Associates, Inc. for professional services associated with the Comprehensive Drainage Master Plan and Drainage Fee Study and authorizing the City Manager to execute a professional services agreement in the amount of $247,215.00.
Summary
The City of Pflugerville (City) solicited Statements of Qualifications (SOQ) from interested and qualified consulting engineering firms for Professional engineering services to provide the City with a Comprehensive Drainage Master Plan and feasibility Drainage Fee Study. City staff received four (4) statements of qualifications (SOQs) on August 20, 2020 which were reviewed, ranked and scored. Halff Associates was selected as the most qualified firm for this project. A copy of the scoring matrix is attached to this agenda item.
Pflugerville’s incorporated 2019 (2020) population of approximately 68,301 (71,347) encompasses approximately 25.57 square miles and has added approximately 900 residents a year over the last five years. This growth is a combination of residential and commercial development, which has resulted in a significant increase in drainage infrastructure that the City operates and maintains.
The purpose and goal of the Master Plan is to develop a comprehensive evaluation of the existing drainage conditions throughout the City by developing an accurate and current understanding of the drainage infrastructure. This understanding will include a comprehensive inventory of existing data, accurate simulation using best available data including Atlas 14 rainfall data, flooding problem area identification, and conceptual flood mitigation solutions. Riverine analysis will include Gilleland Creek and Wilbarger Creek watersheds. This Drainage Master Plan will ensure both riverine as well as local flood problem areas are addressed. The flood problem areas will be identified using City staff and community input. Flood mitigation solutions will be developed to create a drainage Capita...
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