This document appears to be a sheet from a set of construction drawings for renovations to an exterior and interior of a building located at 665 Buttonwood Lane in Miami, Florida. The sheet includes various architectural symbols and abbreviations related to materials, fixtures, and other building elements. It also provides a legend defining abbreviations and symbols used on the drawings. The sheet number is 20 and refers to job number 2013_01 dated March 20, 2013.