Source One 370 7th Avenue Suite 704 New York, NY 10001 Bill To 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 Remit Payment To: SourceOne APT, Inc. PO Box 415402 Invoice Date Invoice # 1/31/2011 100379 Work Site 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 Boston, MA 02241-5402 P.O. No. Terms Due Date See Below Due on receipt 1/31/2011 0ty Description Unit Price Net Price Conduct a Comprehensive Energy Assessment of 9 East 71st Street in New York City in accordance with proposal 10P12-3. Project 11005 Scope of work per proposal: Building Energy Consumption Profile •Examine existing building documentation. •Conduct interviews with property manager. engineering personnel and ownership to identify actual & expected usage and facility requirements •Review last two years of utility bills and develop load profiles for gas, steam and electric consumption and demand. -Analyze available metered utility data including steam, electric and natural gas data. •Review applicable available site drawings. Building Infrastructure Survey -Interview facility personnel most familiar with the operation and maintenance of the building to determine usage patterns, operation methodologies and maintenance requirements. •Examine building mechanical and electrical infrastructure to determine and evaluate potential ECM improvements. •Focus on improvements that will concentrate on control and operational changes designed to lower operating costs without affecting the comfort and safety of building occupants. •Develop operational plan as required to reduce peak consumption and kWh usage. •Develop infrastructure upgrade plan as required, including conceptual level drawings as needed. Engineering and Cost/Benefit Analysis •Perform technical evaluations and discuss improvements with client to determine practicality and effectiveness and where further study is warranted. •Revie