Application

The locks on a river serve as a transport system for moving barges and boats up and down past waterfalls and dams. The lock consist of a large chamber in which water is pumped into and out of to raise and lower the river craft.
Large gates at both ends of the lock chamber open and close by electric or hydraulic power to permit entry and exit of the watercraft.

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Gates on the River Lock

Atchison Casting was selected as the producer for the castings for the gate system for the new chamber in the McAlpine lock system on the Ohio river at Louisville, KY.
*The new McAlpine main lock will be 1200 feet long and 110 feet wide with a 37 foot lift.* *The McAlpine locks are owned an operated by the U.S. Army Corps of Engineers as part of their civil works and inland water navigation system.*
Oregon Iron Works in Clackamas, Oregon is the general contractor for the gate system.