Panhandle Concrete Products produces manholes meeting the requirements of ASTM-C478. These manholes range in size from 24" up to 120" in diameter. Square and rectangular sizes can also be made to many sizes. Like our other products, manholes undergo strict quality control testing. Pre and Post-Pour inspections are performed on every manhole poured. Also, random manhole sections are chosen each day to perform reinfrocing and dimension checks. The fresh concrete is tested each day to ensure quality concrete.
Here is an example of the standard sizes and components for 48" diameter manholes.
2202 WEST OVERLAND
SCOTTSBLUFF, NE 69361
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This page was last updated: 6/14/2017