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# <br />Service Area/Item Description <br />BASIC <br />ADDITIONAL SYSTEM <br />Verify unit is grounded in accordance with <br />SYSTEM <br />SERVICES <br />manufacturer's instructions <br />Meteorological Station, Alignment <br />13.8 <br />Inspect weather station and all sensors for proper <br />Annually <br />alignment. Realign sensors as required. <br />Meteorological Station, Housing <br />13.9 <br />Inspect instrument housings and base supports for <br />Annually <br />evidence of corrosion or damage <br />Meteorological Station, Cleaning <br />13.1 <br />Clean pyranometers and irradiance sensors with <br />Annually <br />isopropyl alcohol and lint -free cloth. <br />Meteorological Station, Desiccant <br />13.1 <br />Check desiccant of pyranometer drying cartridge <br />Annually <br />and replace if necessary <br />Medium -Voltage Transformers, Switchgear and Protection Devices — Exclusive to front of the <br />14 <br />meter installations only, where MV gear is specific to the solar or BESS project. <br />Transformer, Enclosure <br />14.1 <br />Inspect enclosure and devices for corrosion, heat <br />N/A <br />distortion, moisture entry, insect and rodent <br />infestation, and exterior damage. <br />Transformer, Signage <br />14.2 <br />N/A <br />Confirm that all Signage and labeling are in place <br />Transformer, Anchorage <br />14.3 <br />Inspect structural mounting pad, anchorage and <br />N/A <br />alignment <br />Transformer, Bushings <br />14.4 <br />N/A <br />Inspect bushings <br />Transformer, IR <br />14.5 <br />Perform thermographic survey of all field <br />N/A <br />terminations visually available from the opening of <br />the cabinet <br />Transformer, Tap -changer. <br />14.6 <br />N/A <br />Verify tap -changer position is set as specified <br />Transformer, Measurements <br />14.7 <br />Check and record high -temperature pressure and <br />N/A <br />fluid level <br />Transformer, Fluid and Gas Analysis <br />Confidential & Proprietary Information of Ameresco, Inc. Page 54 of 56 <br />