YSourceOn Invoice Technologies 370 7th Avenue site 74 New York, NY 10001 Bill To 9 E 71st Street Corporation Att J Epstein 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 9 East 71 Street New York, NY 10021 Remit Payment To: SourceOne APT, Inc. PO Box 415402 Boston, MA 02241-5402 [rane [vem [oom | Conduct a Comprehensive Energy Assessment of 9 East 71st Street in New York City in accordance with proposal 10P 12-3. 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 personne! 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. -Review potential conservation improvements for consistency with comfort requirements and building operating standards. *Analyze energy savings of the various improvements based on engineering practice and incremental energy costs; analyze interactive effects of EFTA00287144

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YSourceOn Invoice Technologies 370 7th Avenue site 74 New York, NY 10001 Bill To 9 E 71st Street Corporation Att J Epstein 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 9 East 71 Street New York, NY 10021 Remit Payment To: SourceOne APT, Inc. PO Box 415402 Boston, MA 02241-5402 [rane [vom [oom | improvements if necessary Consult with contractors, manufacturers, and suppliers as appropriate regarding costs associated with implementing improvements -Review any operation and maintenance savings +Review recommendations with client and select final list of improvements -Discuss any implementation options and/or restrictions +Develop preliminary budget and time-table estimates for cooling, heating and lighting infrastructure upgrades *Secure preliminary budget and time-table estimates for infrastructure upgrades Comprehensive Energy Assessment Report -Executive summary of energy conservation measures, with aggregate costs and savings information for entire program. Offer facility upgrade recommendations. -Description of each recommended ECM improvement and measures considered but not recommended. +Implementation cost estimate for each recommended measure, with contractor information or product literature as appropriate. +Energy savings calculations for each improvement and discussion of other benefits as applicable (greater reliability, improved operating control, maintenance savings, enhanced comfort, etc.). *Simple payback analysis for each energy conservation measure. Outline specifications and other information needed to proceed with implementation. Presentation Prepare outline of energy conservation options, recommendations and proposed implementation solutions for presentation to owners and management. Total Quote Price 10,000.00 10,000.00 Tax: Not Applicable to Project 0.00% 0.00 EFTA00287145

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YSourceOn Invoice Technologies 370 7th Avenue site 74 New York, NY 10001 Bill To 9 E 71st Street Corporation Att J Epstein 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 9 East 71 Street New York, NY 10021 Remit Payment To: SourceOne APT, Inc. PO Box 415402 Boston, MA 02241-5402 [rane [vem [oom | Conduct a Comprehensive Energy Assessment of 9 East 71st Street in New York City in accordance with proposal 10P 12-3. 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 personne! 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. -Review potential conservation improvements for consistency with comfort requirements and building operating standards. *Analyze energy savings of the various improvements based on engineering practice and incremental energy costs; analyze interactive effects of EFTA00287146

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YSourceOn Invoice Technologies 370 7th Avenue site 74 New York, NY 10001 Bill To 9 E 71st Street Corporation Att J Epstein 9 E 71st Street Corporation Att J Epstein 9 East 71 Street New York, NY 10021 9 East 71 Street New York, NY 10021 Remit Payment To: SourceOne APT, Inc. PO Box 415402 Boston, MA 02241-5402 [rane [vom [oom | improvements if necessary Consult with contractors, manufacturers, and suppliers as appropriate regarding costs associated with implementing improvements -Review any operation and maintenance savings +Review recommendations with client and select final list of improvements -Discuss any implementation options and/or restrictions +Develop preliminary budget and time-table estimates for cooling, heating and lighting infrastructure upgrades *Secure preliminary budget and time-table estimates for infrastructure upgrades Comprehensive Energy Assessment Report -Executive summary of energy conservation measures, with aggregate costs and savings information for entire program. Offer facility upgrade recommendations. -Description of each recommended ECM improvement and measures considered but not recommended. +Implementation cost estimate for each recommended measure, with contractor information or product literature as appropriate. +Energy savings calculations for each improvement and discussion of other benefits as applicable (greater reliability, improved operating control, maintenance savings, enhanced comfort, etc.). *Simple payback analysis for each energy conservation measure. Outline specifications and other information needed to proceed with implementation. Presentation Prepare outline of energy conservation options, recommendations and proposed implementation solutions for presentation to owners and management. Total Quote Price 10,000.00 10,000.00 Tax: Not Applicable to Project 0.00% 0.00 EFTA00287147