Work Item
ASTM WK97554
Revision of F667/F667M-16(2021) Standard Specification for 3 through 24 in. Corrugated Polyethylene Pipe and Fittings
Rationale
The drainage market has established the need to use a new diameter of 3.5" F667 corrugated polyethylene pipe.
This slight revision is to add 3-1/2" CPP to F667 in Paragraph 1.1 as a listed diameter size, adding :
" 3.5 in [63.5mm] " to paragraph 1.1.
Work Item Status
Date Initiated: 12-26-2025
Technical Contact: Harvey Svetlik