“Neenah Foundry offers a variety of underdrains. Select from the list below to find the underdrain that is a perfect fit for your needs.
R-4028 Cast Iron Underdrain+
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Cast Iron Underdrain
Drawing demonstrates cast iron underdrain sections used along railroad right-of-way.
Ballast or gravel-filled road bed permits ready drainage of surface water into underdrain where it is conducted to the storm sewer.
Laying length is 18".
Note drainage intake holes in each section of cast iron underdrain.
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