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AMERESCO4 <br />Green - Clean - Sustainable <br />ECM 2: Envelope: Added Insulation <br />Overview of ECM and M& V <br />This measure added spray -foam insulation on the interior side of the exterior brick wall on the south mechanical <br />penthouse at City Hall. A total R-value of 14 was achieved by adding 2" of 2-part spray foam insulation to <br />approximately 900 square feet. <br />Commissioning <br />After the installation of the ECM, commissioning activities were performed in accordance with Schedule Q of the EPC. <br />The commissioning process for this ECM included an installation review of the insulation. A project closeout report was <br />provided by the installing contractor that documented final quantities and areas that received envelope improvements. <br />In addition to listing the final quantity and area of envelope improvements completed per building, post installation <br />pictures were provided, and pre and post installation infrared imaging was utilized to document the before and after <br />effects of the ECM. The infrared imaging for this ECM can be seen in Appendix B. <br />Installation of the insulation was inspected and found to be acceptable by Ameresco's Construction Manager. <br />Measurement & Verification <br />The M&V Plan for this ECM was based on Agreed Upon Savings. The savings for this measure are achieved upon <br />project acceptance. <br />City of Arvada, Colorado I Project #37213 1 M&V Report — Year 2 1 Page 12 <br />