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< Back to all projects MRMC BATTERY ENERGY STORAGE SYSTEM LOCATION: Milford, MA DESIGN START: November 2018 IN SERVICE: January 2020 SIZE & TECHNOLOGY: 710 kW/510 kW-Hr FIRM ROLE: Engineering, Construction Management and Commissioning The installation of a Battery Energy Storage System at the Milford Regional Medical Center was executed as an EPC (Engineer-Procure-Construct) project. Milford was looking for resiliency and peak demand reduction for their campus. The new BESS supplements operation of the existing CHP system which included a packaged 800 kW natural gas fired Caterpillar engine and waste heat recovery. The now Hybrid-CHP system will provide operational cost savings and in the event of a power outage, it could supplement the emergency diesel engines to provide power to the hospital. The project was installed in association with the MA-DOER. Scope of work included: Engineering and Design Procurement Permitting Construction Commissioning Turn-over

< Back to all projects ONE BRYANT PARK MICROGRID LOCATION: New York, NY DESIGN START/COMPLETION: Spring 2006 – Spring 2007 SIZE & TECHNOLOGY: 4.5 MW Electric 50,000 lb/hr steam Gas Turbine / HRSG IN-SERVICE: Spring 2009 FIRM ROLE: Engineering, Construction Management, Technical Support The Durst Organization builds, owns, and operates some of the world’s most innovative and efficient buildings. In developing the One Bryant Park building (a.k.a The Bank of America Tower), The Durst Organization made a commitment to achieving the lowest environmental footprint. The building, which is located one block off Times Square on Sixth Avenue, is a 50-story structure that is predominately leased by Bank of America. The building is designed to conserve energy wherever possible. The energy that is consumed is supplied by a gas turbine-based CHP facility located on the 7th floor podium. Waldron designed the complete plant around the Solar Mercury 50 gas turbine that exhausts into a fired HRSG. The HRSG is sized to serve the complete needs of the building. The building set a new standard in sustainable commercial construction by utilizing the least amount of energy possible, and the energy consumed is generated in the most efficient manner possible. It is the first LEED Platinum high-rise office tower in North America and ranks among the most environmentally advanced skyscrapers in the world.

< Back to all projects LONGWOOD MEDICAL ENERGY COMPREHENSIVE STUDY LOCATION: Boston, MA STUDY DATE: November 2014 – December 2015 SIZE & TECHNOLOGY: Gas Turbines, Reciprocating Engines, Chillers, Boilers FIRM ROLE: Feasibility Study The Longwood Medical Area (LMA) is a world-class medical and academic center located between Brookline and Mission Hill. With the central energy plant serving the hospital district getting close to 40 years in age, Longwood Medical Energy commissioned Waldron Engineering & Construction, Inc. to develop a study for the replacement of the existing facility and distribution net-work. Longwood Medical Energy consists of Brigham & Women’s, Harvard Medical School, Children’s Hospital, Beth Israel Deaconess Medical Center, Dana Farber Cancer Institute, Jimmy Fund and other healthcare and research facilities. The comprehensive study covered load analysis with growth projections, central plant, distributed generation and satellite plant options and radial, loop and other distribution options. The technical options include gas turbines, reciprocating engines, chillers, boilers and complete balance of plant. Work included life cycle performance projections, O&M cost budgets and construction cost estimates.

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< Back to all projects COLUMBIA UNIVERSITY LOCATION: New York, NY STUDY DATE: April 2011 TECHNOLOGY: 11 MW 80,000 lb/hr Solar Mars Gas Turbine FIRM ROLE: Feasibility Study and Detailed Design Columbia University retained Waldron Engineering & Construction, Inc. to study the opportunity for Combined Heat and Power (CHP) at its Morningside Campus. The CHP will include on-site electric generation and recovery of waste heat in the generation of electricity to heat and cool campus buildings. The single most important driver for the study, other than its economic feasibility, was to determine if CHP offers a cost effective and reliable means to significantly reduce the University’s GHG emissions thru the recovery of waste heat and reduction of fossil fuel burning, in indirect purchased electricity and onsite usage, to meet the Morningside Campus’s energy needs. The project team considered a wide range of CHP technologies and configurations to be sited at the existing steam & chiller plants below the Center for Engineering and Physical Science Research (CEPSR). The CHP technologies investigated included: combustion turbines, fuel cells, reciprocating engines, and steam turbines in configurations sized up to about 14.5 MW. Waldron was selected to execute the detailed design for the project.

< Back to all projects UMASS ENERGY STORAGE FEASIBILITY STUDY LOCATION: Worcester, MA START: Oct. 2018 COMPLETION: Dec. 2018 FIRM ROLE: Engineer, Planner, Consultant Waldron has been working on projects on the UMass Medical School (UMMS) Campus for over 20 years. For this project Waldron was tasked with doing a feasibility study on installing an energy storage system for their existing combined heat and power plant (CHP). The scope of services for this project included the following: 1. Develop a typical year 8760 model of the operation of the CHP and utility purchases as the base case model. 2. Develop three different cases of an economic analysis with the energy storage system in conjunction with the CHP to determine the energy saving from peak demand reduction, energy arbitrage and other operation efficiency optimization. 3. Define operational improvements associated with the installation of the energy storage system and the components required to achieve these improvements. Improvements will include: Resiliency improvements Bus stabilization benefits when operating in island mode. Load balancing when operating in parallel and not exporting. Black start capabilities (for existing CHP) 4. Identify the electrical equipment and control system needed to successfully comply with the incentives, achieve the economic benefit and operational benefits. 5. Develop a cost opinion that includes equipment, installation, engineering, commissioning, project administration, interconnect cost related to resilience equipment and other costs as may be required in the incentive program 6. Assist UMMS in the preparation of the application for an energy storage grant.

< Back to all projects HANSCOM AIR FORCE BASE MICROGRID LOCATION: Middlesex County, MA DESIGN START: Winter 2017 IN-SERVICE: Spring 2020 SIZE & TECHNOLOGY: Solar Turbine 5.0MW FIRM ROLE: Engineering, Design Construction Support, Commissioning CONSTRUCTION COST: $20.5 Noresco is building a new Combined Heat & Power (CHP) Facility at Hanscom Air Force Base in Middlesex County, Massachusetts. The CHP will serve the site’s steam requirements and off-set electrical purchases from the incumbent electrical utility. The design scope includes preparation of a design package in sufficient detail for permitting, pricing, and construction by general, electrical, mechanical, civil & site utility subcontractors experienced with the installation of similar facilities. Waldron prepared the permit applications for the DEP Air Permit, Eversource Electric Interconnection, and the Pipeline Natural Gas Load Letter. The permit process was completed in 9 months. 5 MW Gas Turbine Generator Heat Recovery Steam Generators (HRSGs) with fuel assisted firing (duct burner) generating up to 40,000 lb/hr of steam at 100 psig Control System for the CHP plant that integrates the balance of plant equipment. Electric Load Management System The new CHP plant ties into the existing steam, condensate, water, sewer, and electrical systems.

< Back to all projects NATICK SOLDIER SYSTEMS CENTER LOCATION: Natick, MA STUDY DATE: May 2017 – July 2019 FIRM ROLE: Feasibility Study NAICS: 541330, 237130, 237120, 236220, 221112, 221117, 221118, 221121, 221122 Waldron performed a study on the behalf of Constellation to evaluate the installation of a CHP plant at the NSSC campus. The basis for the study was an hourly utility model that was developed from utility load and cost information supplied by NSSC. The objective of the project was to determine the optimal-sized prime mover, evaluate the financial performance of the project, and develop a cost estimate to construct and commission the facility. Waldron also evaluated the utility modifications and interface changes required to operate the facility electrically as a Microgrid with thermal distribution loops. The recommended configuration is proceeding as a third party paid ESPC project.

< Back to all projects BRIGHAM & WOMEN’S HOSPITAL MICROGRID DESIGN START/COMPLETION: February 2013 – July 2014 SIZE & TECHNOLOGY: 4 MW Reciprocating Engine Generator, 125 psig Waste Heat Boiler, Jacket Water Heat Recovery, (2) 700 BHP Firetube Boilers IN-SERVICE: Summer 2016 FIRM ROLE: Feasibility Study, Schematic Design, Design Development, Detailed Design Waldron Engineering & Construction, Inc. performed an initial feasibility study for Brigham and Women’s Hospital (BWH) to evaluate the feasibility and economic value of installing a Combined Heat and Power Plant (CHP) in their new Brigham’s Building for the Future (BBF). The primary purpose for the CHP was to provide operational cost savings to the hospital and a level of resiliency to serve the energy needs of the facility. In addition to studying various CHP technologies, including combustion turbine generator and reciprocating engine generators, Waldron appraised the value of supplying electrical and thermal energy not only to the new BBF building, but also to the neighboring Shapiro building which is part of the Brigham and Women’s Hospital campus. Upon identifying that a 4 MW reciprocating engine based CHP was the optimal size and technology to serve the two buildings, Waldron executed the detailed design of the entire central energy plant. Waldron served as the engineer of record for the project which included a 4 MW recip-engine based CHP plant with dual fuel firetube boilers that were installed in the basement of Brigham & Women’s Hospital Building for the Future in Boston.

< Back to all projects BIOGEN MICROGRID LOCATION: Cambridge, MA DESIGN START/COMPLETION: Summer 2004 – Winter 2006 SIZE & TECHNOLOGY: 5.0 MW Solar Taurus 60 turbine with HRSG & SCR IN-SERVICE: Commercial Operation, Winter 2006 FIRM ROLE: Engineering, Construction, and Commissioning Support Biogen, a world leader in research and development of multiple-sclerosis treatment drugs required a solution for the high price and poor reliability of utility service at their Cambridge, Massachusetts campus. The solution came in the form of a new central energy plant to serve six buildings with electricity and five with high pressure steam. Waldron served as the engineer of record for the CHP facility which is located in the basement of the biopharma research building. The facility included a dual fuel, 5 MW combustion turbine with a heat recovery steam generator, an SCR system, two dual fuel package boilers, liquid fuel storage, steam distribution system upgrades, and a consolidation of the campus-wide electrical distribution system. The facility was designed to operate with very low noise and vibration and is located one floor below a normally occupied, mixed-use office environment. The scope of services for this project included the following: Dual Fuel Solar Taurus 60 Turbine/Generator 50,000 lb/hr gas fired heat recovery steam boiler with an SCR and CO catalyst Two 50,000 lb/hr Package Boilers Condensate Receiver Deaerator Water Treatment System CEM System New Electrical Distribution System with Switchgear New Steam Distribution System Control Systems

ENGINEERING Waldron’s detailed engineering packages are fully-coordinated, comprehensive, and informed by the client’s needs. The key is to understand the stakeholder’s goals, and structure a set of plans and specifications that clearly communicate these goals to the contractors. In turn, the result is a well-defined, successful project. OUR PROCESS Important steps in the engineering and design services process include: PROJECT DEVELOPMENT The project development process can be a tortuous path through a maze of regulatory, contractual and financial barriers. Navigating this gauntlet successfully requires knowledge of the ways in which facility performance, technical constraints, and regulatory obligations coincide. Our direct experience bringing energy facilities from concept to operation enables us to optimize the path for you without sacrificing key outcomes. ​ DETAILED ENGINEERING & DESIGN Waldron’s detailed engineering and design process is an orchestrated flow of information that proceeds from a comprehensive understanding of stakeholder goals to a set of plans and specifications that is specific to the project’s needs. We take a “no more and no less than is needed” approach: our multi-discipline in-house coordination process emphasizes comprehensive drawing sets with little to no delegated design, while our specifications are pared down to those requirements both specific to and essential to the project. The result is a design package truly ready for bidding and construction, which minimizes change orders and project delays by providing the clear direction that is required for an efficient construction process. ​ CONSTRUCTION ADMINISTRATION Every construction project presents unique challenges. The key to success is working proactively with the vendors and trade subcontractors to navigate those challenges in a timely and cost-effective manner on behalf of the Owner. Waldron emphasizes productive relationships with all stakeholders, and adopts a responsive, flexible approach to overcoming obstacles and keeping the project on track. Because the starting point is a comprehensive, fully-coordinated design, our teams have the ability to quickly identify the impacts of design decisions on all project disciplines and resolve field challenges practically and efficiently.