Drainage

Interested in joining our Drainage group?

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PGA was founded by two drainage engineers and excellence in the discipline is engrained in our firm’s identity. We pride ourselves on our innovative approach to projects that often lead to significant savings for the client. Our persistence to achieve excellence has allowed our team to become extremely adept at handling every aspect of drainage design. We excel at surface water management and stormwater management design, including the use of ICPR 4. We stay on the cutting edge of the latest 3D drainage design technology, which includes signing and sealing the first 3D drainage model as the legal document on our Polk Parkway AMG/3D pilot project for Florida’s Turnpike Enterprise.

Separately, our stormwater analysis experience goes beyond the traditional approaches. We understand the need to provide alternative solutions and continually train our drainage staff in Low Impact Design such as BAM, planter box biofiltration systems, CDS units, and regional stormwater approaches. We regularly coordinate with Florida’s water management districts and environmental regulatory agencies.

Some areas of expertise includes:
  • Storm drain, cross drain, ditch design
  • Pond design
  • TMDL analysis and design
  • Environmental permitting
  • Pond siting reports
  • Base clearance analysis
  • Bridge hydraulic reports
  • FEMA No-Rise Certifications reports
  • FEMA Conditional Letter of Map Revision
  • Location hydraulic reports
  • Flooding investigations

Senior Staff

Kenny Yinger, PE

Kenny Yinger, PE

VP, Drainage Group Manager

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Tim Polk, PE

Tim Polk, PE

Chief Drainage Engineer

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Kenny Yinger, PE

Carol Conner, PE

Associate, Chief Drainage Engineer

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Kenny Yinger, PE

Rohan Hammed, PE

Chief Drainage Engineer

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Liz Bartell, PE, CFM

Richard Uptegraff, PE

Associate, Senior Drainage Engineer

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Manny Monreal, Jr., PE

Manny Monreal, Jr., PE

Senior Drainage Engineer

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Erik Scott

Erik Scott, PE

Senior Drainage Engineer

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Michael Holt

Michael Holt, PE

Senior Drainage Engineer

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Kenny Yinger, PE

KENNY YINGER, PE

VP, Drainage Group Manager

Areas of Expertise:
Floodplain modeling, stormwater management design, stormsewer design

A Florida native from Sumter County, Kenny is a husband, and father to three beautiful daughters. When not working, he is trying to keep up with his girls and their extracurricular activities: gymnastics, dance, and music.

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Richard Uptegraff, PE

Associate, Senior Drainage Engineer

Areas of Expertise:
FDOT plans preparation, design and permitting experience for both state and municipal clients

Richard is a Florida native from the City of Palmetto. When he is not working, he is usually busy spending time with family celebrating holidays, birthdays or just a weekend game night. He also enjoys trips to the Tennessee Great Smoky Mountains to hike and relax.

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Tim Polk, PE

Tim Polk, PE

Chief Drainage Engineer

Areas of Expertise:
Bridge Hydraulic Reports, Bridge Scour, Drainage Forensic Engineering

When not working, Tim spends much of his free time with his family.

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Kenny Yinger, PE

Carol Conner, PE

Associate, Chief Drainage Engineer

Areas of Expertise:
Drainage Design, Stormwater/Floodplain Modeling, Water Management District Permitting

Carol can do it all! Engineer by day, teaches robotics in her spare time, and super-grandma all other times. When her super-cute granddaughter is busy, she enjoys riding her bike, playing the piano, and traveling.

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R.Hameed Square scaled

Rohan Hameed, PE

Chief Drainage Engineer

Areas of Expertise:
Coming soon

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Manny Monreal scaled

Manny Monreal, Jr., PE

Senior Drainage Engineer

Areas of Expertise:
Hydrologic and Hydraulic Modeling, Storm drain Design and Production

Manny enjoys the Florida sun and loves spending time with his family. Whenever he is not on his mower cutting grass, he is usually cleaning up or chasing after his three daughters.

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Erik Scott

Erik Scott, PE

Senior Drainage Engineer

Areas of Expertise:
Stormsewer design, stormwater management design and permitting, floodplain analysis.

Erik is a Florida native from Tampa. He enjoys watching the Tampa Bay Lightning and Formula 1 racing, attending concerts, and craft beer tastings at local breweries.

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MichaelHolt 1

Michael Holt, PE

Senior Drainage Engineer

Areas of Expertise:
Stormwater Management Design and Permitting, including design of BMPs, Collection and Conveyance systems, and Ponds

Michael enjoys spending time with his wife and seven kids on their farm in Plant City, FL. The farm includes donkeys, horses, cows, goats, chickens, peacocks, and one sheep.

Join our team

Explore the many career opportunities awaiting you at PGA.