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<br />9 <br /> <br />Communication, Controls, Instrumentation <br />Apadana provides all customers with the inverter manufacturer’s monitoring programs, including web -based <br />and app-based monitoring which Apadana continues to monitor over the system life. A 5 -year cellular modem <br />internet connection comes standard with the system. Apadana will work with the IT department if they desire <br />to have the system connected to the building’s network via ethernet. <br />The SolarEdge inverter will be monitored on the manufacturer's online monitoring program. This portal has <br />advanced monitoring capabilities, including module level power monitoring, minute level data, alert <br />notifications and more. A kiosk view can be set up to display system production to the public. <br />Equipment Layout: <br />This sectfon will discuss the general layout of the solar array, associated equipment, as well as any challenges <br />present on site and possible conduit routes. A drone survey was conducted along with a site visit to gather <br />informatfon, and a 3D model was created to determine how many panels will fit on the roof. The main issues <br />found on site involve shading from trees, as well as some contfngency plans surrounding accessing the <br />basement and equipment needed depending on what grid voltage the building is using. <br /> <br />Figure 3: Proposed equipment locations <br />Startfng on the roof, the array will be located on the southern face of city hall. This is the most optfmal roof <br />face present here, with it facing due south and the relatfvely lower amount of shading from trees. Multfple <br />trees were found that will cast shade onto the array, including directly south of the array. However, we <br />simulate that this tree will not cast an uneconomical amount shade, as the sun will be closer to directly <br />overhead when the shade from the tree hits the roof surface. Other trees around the building may also cast <br />more shade in the future as they grow but this will depend on tree species. <br />Fire code walkways have been incorporated into the design of the system. This includes a 3’ walkway to the <br />ridge on the southern facing roof, located along the eastern side of the face. On the ridge is found a 1.5’ <br />setback on both sides. These are required by Minnesota building code to ensure emergency responders can <br />access the roof.