The following construction specifications were revised and announced by NRCS in Wisconsin Field Office Technical Guide FOTG Notice WI-98. The revised specification will replace the previous specification.
- Corrugated Metal Pipe Conduits (WCS-6) – ASTM A885 has been withdrawn with no replacement. Reference has been removed from WCS-6.
- Timber Fabrication & Installation (WCS-14) – Updated criteria based on updates to the national material specifications.
- Plastic Pipe Conduits (WCS-15) – Updated ASTM title changes. Updated criteria to allow bell and spigot pipe to be laid with the bell pointed downstream if existing infrastructure dictates this.
- Geosynthetic Clay Liner (WCS-203) – Updated criteria based on updates to the national material specifications.
Further details are available in the Wisconsin FOTG Notices and current specifications, which are available on the NRCS website at: https://efotg.sc.egov.usda.gov/#/
The full FOTG Notice is also available here: FOTG Notice WI-98.