At any time when the code official observes a condition that is determined to require additional inspection or study by someone with advanced or specialized knowledge, the code official has the authority to order a special inspection or engineering study be completed by a third party professional, contracted by the owner, at the owner's expense.
115.1.1 
Qualifications. The code official shall state in the request for study any minimum qualifications that in the professional opinion of the code official are required to adequately study or inspect the observed problem.
115.1.2 
Report completion. When ordered in accordance with this Section, a special inspection or engineering report shall be produced to the Department of Buildings & Code Compliance within 30 calendar days.
Exception: The code official can extend this deadline when, in the professional opinion of the code official in conjunction with the engineer of record or special inspector, that the report cannot be properly produced within this timeframe due to weather, climate, or study scope and complexity.
115.1.3 
Report content. At a minimum when ordered in accordance with this Section, the report shall include the description of the problem, report of the findings, required actions to mitigate the problem, Pennsylvania seal (for registered design professionals), signature, date, deadline for completion of work, any intermediate inspections that are required prior to completion, and any requirements prior to completion regarding use and occupancy of the structure.
115.1.4 
Report completion letter. When the work detailed in the report is completed, a letter from the special inspector or design professional shall be produced within 15 calendar days, indicating their acceptance of the work and any future need for involvement.