This document outlines Vista Design and Development's maintenance process for ensuring smooth performance and safety of machines and equipment. The site engineer owns the process and ensures preventive maintenance with inputs from maintenance schedules, quality audits, and breakdown records. Outputs include routine maintenance and performance measures like the number of breakdowns between maintenance and maintenance costs. The process involves both scheduled and breakdown maintenance, with activities like replacing damaged parts, testing machines, and analyzing maintenance data. Subcontracted equipment also requires reviewing maintenance logs.