In maintenance architecture hilary sample offers an inventive examination of the architectural significance of maintenance through a series of short texts and images about specific buildings materials and projects. Service oriented architecture soa is a style of software design where services are provided to the other components by application components through a communication protocol over a network the basic principles of service oriented architecture are independent of vendors . Building maintenance performs general repairs to buildings and preventive maintenance of systems the maintenance department is focused on helping the university to fulfill its mission of teaching research public engagement and economic development the department prioritizes its work with the mission of the university in mind at all times. Facilities operations and maintenance encompasses a broad spectrum of services competencies processes and tools required to assure the built environment will perform the functions for which a facility was designed and constructed operations and maintenance typically includes the day to day activities necessary for the building built structure i its systems and equipment and occupants