FILLING AND EMPTYING SYSTEM FOR BAY SPRINGS LOCK, TENNESSEE-TOMBIGBEE WATERWAY, MISSISSIPPI - HYDRAULIC MODEL INVESTIGATION.

The hydraulic model investigation reported was concerned with planning and design of a single lift, 110- by 600-ft lock (pintle to pintle), at the southern end of the Divide Section of the Tennessee-Tombigbee Waterway. A 1:25-scale model was built to study the filling and emptying system. The system proposed by the Nashville District and developed in the model test was of the longitudinal floor culvert type. Culverts in each lock wall are connected to a crossover culvert with a horizontal splitter wall dividing flow to upstream and downstream tuning forks where equal division leads into the two longitudinal floor culverts in each end of the chamber, near the chamber quarter point.