diff --git a/erd499_finalized__1_.drawio.pdf b/erd499_finalized__1_.drawio.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a9688162b4bf704754fc2f1bdd2bdccc4de57611
Binary files /dev/null and b/erd499_finalized__1_.drawio.pdf differ