ASTM A807/A807M-19 pdf free.Standard Practice for Installing Corrugated Steel Structural Plate Pipe for Sewers and Other Applications. ASTM A807/A807M primarily covers procedures, soils, and soil placement for the proper installation of corrugated steel structural plate pipe, pipe-arches, arches, and underpasses produced to Specification A761/A761M, in either trench or embankment installations. This practice also covers installation of structural plate for alternative...