Work Item
ASTM WK94462
Revision of C1504-20 Standard Specification for Manufacture of Precast Reinforced Concrete Three-Sided Structures for Culverts and Storm Drains
Rationale
Pursuant to the reapproval cycle for C1504, SI values from C1504M are added in brackets and the reference to ACI 318 in 9.1 is also updated. C1504M will be balloted for withdrawal pending approval of this item.
Work Item Status
Date Initiated: 04-08-2025
Technical Contact: Hugh Martin