GESC for Olive WTP Solar Proj No 124-050 - Ameresco

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Service Area/Item Description BASIC ADDITIONAL SYSTEM SYSTEM SERVICES Perform, or cause to be performed, aerial infrared ("IR") thermal imaging of the Project to identify sub -module, module and string -level performance deficiencies. Operator shall evaluate the IR imaging results and provide a detailed report with its findings including, but not limited to, a site plan displaying faults/issues and a summary of the faults/issues found, their location, and loss impact of non- compliant equipment. Corrective action to remediate deficiencies found during the imaging audit will be subject to Customer's approval and performed by Operator as Additional Services. For systems less than 500 KWP DC, Operator may elect to perform 100% IV Curve Tracing in lieu of Aerial Thermal Imaging. 4.1 Annually Corrective Actions Module Inspection, Front Inspect front of modules for broken glass, 4.2 delamination, yellowing or browning, burnt or Annually oxidized cell, or cracks in cells. Module Inspection, Frame 4.3 Inspect module frames for damage or Annually misalignment Module Inspection, Back Inspect back of modules for delamination or burnt marks. For roof -top systems, underside of module inspection will occur on modules that are readily accessible, such as the 4.4 end of each row, or where it is apparent there is or Annually very well could be an issue. Module Inspection, J-Box 4.5 Inspect junction boxes for loose attachment, Annually evidence of overheating and corrosion Module Inspection, Connector 4.6 Inspect wire connectors for detachment, evidence Annually of overheating and exposed electrical parts. Module, Cleaning Perform, or cause to be performed, cleaning of 4.7 100% of the PV modules following manufacturer's Additional System As needed and approved by recommendations as needed and approved by Service. owner owner as Confidential & Proprietary Information of Ameresco, Inc. Page 49 of 56