Civil Engineering AutoCAD Blocks General Utility Electrical Grading Annotation Cross Sections Pavement Markings Sitework Building Section $9.00 Segmental Block Retaining Wall $13.50 CMU Wall without Footing $9.00 CMU Wall with Footing $13.50 Pavement Cross Section $10.50 Barrier Curb $10.50 Curb and Gutter $10.50 V-Gutter $10.50