West Irving Creek Channel Improvements Update, Jan. 25, 2022

CAPITAL IMPROVEMENTS PROGRAM

WEST IRVING CREEK Channel Improvements from W Pioneer Drive to Alan-a-Dale

COMMUNITY MEETING #1

JANUARY 25, 2022

1 2 3

INTRODUCTIONS & BACKGROUND PROJECT OVERVIEW

Q&A AND BREAKOUT

MEETING AGENDA

Can the City please share photos to be used in presentations and the document?

1. I N T R O D U C T I O N S

Confluence Near Tipton Road

& BACKGROUND

www.cityofirving.org /WestIrvingCreek

PROJECT TEAM

Walter Thomas, PE

Garry Fennell, PE, CFM

Brent Redd

Justin Oswald, PE, CFM

City Engineer

Floodplain Manager

MDU Programs Manager

Project Manager Freese and Nichols, Inc.

PLUS MANY OTHERS IRVING CITIZENS FREESE AND NICHOLS IRVING MAYOR/CITY COUNCIL PARKS AND RECREATION I MC PH R O O FV ETM + A CDAEPEI PT ABL E N A LE EN NT TS & E X P E R TWI SA ET E R U T I L I T I E S www.cityofirving.org /WestIrvingCreek

WHAT IS WEST IRVING CREEK? ▪ Drains 3+ square miles – 15%+ of the City south of SH-183 ▪ Runs for 3+ miles – from Wyche Park to outfall south of Oakdale Road

▪ Constructed in the 1960s ▪ Inadequate to meet current standards for conveyance of 100-year flood events www.cityofirving.org /WestIrvingCreek

WEST IRVING

HISTORY ▪ History of street and home flooding ▪ Portions not mapped by FEMA ▪ Urgent improvements underway: ▪ Wyche Park Detention ▪ Construction begins soon ▪ Hogbottoms Outfall Debris Collector ▪ Completed in 2021

Channel Near Capacity at Bowman Street

www.cityofirving.org /WestIrvingCreek

MUNICIPAL DRAINAGE UTILITY ▪ City reinvesting in the MDU ▪ Issuing bonds backed by fee increase ▪ #1 City Council priority for MDU ▪ Project expected to cost $90+ million

▪ MDU program provides opportunity for a long term fix ▪ Comprehensive Study completed 2021

www.cityofirving.org /WestIrvingCreek

S T U DY R E S U LT S 250+

PROPERTIES AT RISK www.cityofirving.org /WestIrvingCreek

PHASED C A PA C I T Y IMPROVEMENT S

Current Project Future Phase

Future Phase Future Phase www.cityofirving.org /WestIrvingCreek

2. P R O J E C T

Delaware Creek Construction

OVERVIEW

www.cityofirving.org /WestIrvingCreek

PROJECT BENEFITS

▪ Pre-Project Flooding

▪ Post-Project Flooding www.cityofirving.org /WestIrvingCreek

CAPACITY ▪ Similar to recent Delaware Creek Project ▪ Additional Detention ▪ Reconstruct Channel with Vertical Walls ▪ Minimize Footprint ▪ Replace or Add Fencing ▪ Improve Aesthetics ▪ Provide 100-Year Capacity

Delaware Creek www.cityofirving.org /WestIrvingCreek

CHANNEL

SECTION ▪ Narrow easement behind residential lots ▪ Vertical walls for deeper channel ▪ Construction footprint larger than the finished wall ▪ Private structures may be within or adjacent to easement ▪ Relocation or shoring may be necessary

www.cityofirving.org /WestIrvingCreek

CHANNEL

BRIDGES

Existing Crossing ▪ 4-5 Bridge Replacements ▪ Replace small pipes with large single span ▪ Improve aesthetics Single Span Bridge Delaware Creek

▪ Evaluate traffic impacts www.cityofirving.org /WestIrvingCreek

WATER &

WASTEWATER

▪ Approx. 15 conflicts ▪ Adjusted before channel work ▪ Minimize service disruption ▪ Provide capacity for future needs ▪ Other Water, Wastewater, and Paving work on-going between Conflans and Yorkshire

Wastewater Bore Delaware Creek www.cityofirving.org /WestIrvingCreek

WYCHE

PARK

▪ Deepen Park by approx. 8 feet ▪ Pond for water quality and amenity

▪ Provide forebay and trash collection ▪ Natural edge for water quality, erosion and safety ▪ Other amenities such as trails, trees etc.

www.cityofirving.org /WestIrvingCreek

SIDEWALK

▪ New entrance to Wyche Park at Lawrence may be considered

CONNECTIONS

▪ New connection to Rock Island Road Bike and Pedestrian Trail may be considered www.cityofirving.org /WestIrvingCreek

PROJECT SCHEDULE 2022 COMPREHENSIVE STUDY

2023

2024

2025

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

Community Meeting #1 Field Survey Work Engineering Plans Property Coordination

Community Meeting #2 Bid and Award Community Meeting #3 Construction

▪ Design completed by Q1 2023 ▪ Construction expected to begin Q3 2023 www.cityofirving.org /WestIrvingCreek

PROJECT WEBSITE

▪ http://www.cityofirving.org/WestIrvingCreek ▪ Site will be refreshed with project updates

▪ Provide your feedback about flooding and project concerns! www.cityofirving.org /WestIrvingCreek

3. Q U E S T I O N S

Before and After on Delaware Creek

& ANSWERS

www.cityofirving.org /WestIrvingCreek