ACI SPEC-548.17-25: Circular Precast Polymer-Concrete Manholes—Specification Topic: Codes , Polymer Concrete , Precast Concrete Format: Printed Document Unit: IN-LB: Inch-Pound Units Language: English Author: ACI Committee 548 Published: 9/2025 Regular Price: $ 54.00 USD Member Price: $ 34.00 USD Become a Member More Info »