This document provides a breakdown of costs for a construction project totaling 87,386,709.370. It lists 10 areas of work including preliminary work, earthworks, masonry, concrete structures, installation and plastering, floors and roofing, finishing, rainwater drainage, doors windows and canopies, and mechanical and electrical works. Mechanical works include piping, sanitary fixtures, and a septic tank. The document provides line items with quantities, unit rates and totals for each work area.