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<br />Confidential & Proprietary Information of Ameresco, Inc. <br />Page 4 of 7 <br /> <br />ATTACHMENT B-1 <br /> <br />SCOPE OF SERVICES <br /> <br />This Attachment sets forth a description of the Energy Conservation Measures (ECM) and related <br />equipment to be installed by Ameresco at the buildings, facilities, and areas set forth in Attachment A <br />within the Property. Installation of the ECM(s) and the included equipment is subject to change if <br />Ameresco discovers unforeseen conditions at the Property that render its preliminary analysis of the <br />Property inaccurate, or significantly affect achievement of the Guaranteed Savings. Any changes to the <br />installation of the ECM(s) and the included equipment are subject to approval of Customer and <br />issuance of a Change Order, which approval shall not be unreasonably withheld, conditioned or <br />delayed. <br /> <br />The ECMs described below are included in the Scope of Services: <br /> <br /> <br /> <br />ECM 1: MAU connection to hot water loop <br /> Ameresco will remove the existing non-functional hot water heater and associated piping to the <br />makeup air unit and connect the makeup air unit heating hot water coil to the existing main hot water <br />loop of the building via new piping and a plate and frame heat exchanger. <br /> <br />This scope includes: <br />1. Demolish existing heating hot water heater <br />2. Demolish existing piping and valving to MAU <br />3. Demolish the existing hot water circulation pump <br />4. Existing gas supply to be capped at the location of the existing water heater. Gas piping to <br />this location will remain. <br />5. Existing gas flue to be capped in place <br />6. Furnish and install one (1) new plate and frame B&G BP410-30 heat exchanger with <br />maximum capacity of 500,000 BTU and two (2) new associated circulation pump to tie into <br />the existing hot water of the building in the nearby corridor. MAU side pump to be NBF-22, <br />1/25 HP. Source side pump to be NRF-36, 1/6 HP <br />7. Connect new valving and new pump to nearest existing building automation system (BAS) <br />controller and provide programming and graphics <br />8. Heating loop will contain a 35% glycol solution to prevent freezing <br />9. Valving will only open and pump will only energize when MAU calls for heat. Valving will <br />modulate to maintain a set temperature loop in the MAU <br />10. No changes to MAU operation or controls as installed under base contract <br /> <br />