Patent ID: 8613573

Claim:
A shoring system comprising: a) at least one rail post, said rail post having at least one outer member and one inner member; said outer member and said inner member having laterally, on either side, at least one panel guide; said outer member having a front guide and said inner member having a back guide, said front guide and said back guide interlocking cooperatively so that said inner member slides telescopically and projects below said outer member with or no overlap; b) shoring panels having laterally on either end a guide edge to slide within said panel guide of said outer member to form an outer shoring wall, and said panel guide of said inner member to form an inner shoring wall so that said inner shoring wall slides within said outer shoring wall and projects below thereof forming all together a stepped shoring wall wherein said outer shoring wall is vertically above the inner shoring wall with or without overlap.