2025 Overholt Drainge School

Questions?

Contact us via email: Mary Henry (Henry.855@osu.edu) and Vinayak Shedekar (shedekar.1@osu.edu) or via phone at 614-247-9965.

Training Schedule and Topics

Day 1 – Monday, March 10 – 1:30PM to 4:30PM (Registration starts at 12:30PM)

(Day 1 is intended for those who do not have any background in topographic mapping and contour maps. For advanced users, day-1 is optional to attend)

• Topographic mapping basics
• Cover basics of topo mapping, drawing contours by hand
• Work off of grid maps, practice problems etc.

Day 2 – Tuesday, March 11 – 8:30AM (Registration starts at 7:30AM)

• Understanding drainage
• Introduction to drainage design – Planning, information & survey needs, design steps
• Modern ways to collect data for drainage design and installation (Survey, LiDAR, Google Earth), visualizing and reading contours and topographic maps

Day 3 – Wednesday, March 12 – 8AM to 5PM

• Hands-on drainage design problems and exercises
• Selecting drainage coefficient
• Estimating subsurface drain capacity, pipe sizing,  
• Economics of drainage, guidance for drainage projects on leased land

Day 4 – Thursday, March 13 – 8AM to 8PM (5PM-8PM is extra time for class project)

• The “art” of designing drainage and conservation drainage: System layouts, tips and tricks for planning and design of systems
• Drainage water management – design and installation considerations: Drainage and Water Quality, Benefits of drainage water management, drainage water recycling, and automation
• Water and Drainage Law
• Safety: Safety of humans and machines at job site, Utilities safety

Day 5 – Friday, March 14 – 8AM to 4PM

• Class project presentations
• Quality Construction, troubleshooting – Presentations by drainage contractors
• Experienced Drainage Contractors panel
• Wrap up – closing remarks – survey