For thirty years, Waldron Engineering & Construction has delivered custom-engineered energy solutions to a diverse array of clients. From turnkey facilities to fresh insights that drive decision-making, we offer resilient, innovative and constructible solutions built to thrive in today’s dynamic utility landscape. Anchor 1 TERENCE WALDRON, P.E. CEO Terry attended Monsignor Bonner High School in the suburbs of Philadelphia. There he became a member of the school’s crew team, spending afternoons rowing on the Schuylkill River. Prompted by his thirst for technical knowledge and desire to advance his rowing, he went on to Columbia University in New York City. In 1982 he graduated from Columbia with a Bachelor of Science degree in Engineering Mechanics with a strong concentration in applied mathematics. During his tenure at Columbia he worked as an intern with Stone and Webster, joining the firm full time after graduation and working on the design of nuclear power plants. Foreseeing the decline of the nuclear power industry, he moved his talents to Boston and joined Chas. T. Main. At Main he was a mechanical engineer working in the industrial power group. While at Main he developed PC-based applications for performing heat balance and fluid flow modeling systems. Terry then founded Waldron Engineering when it became evident there was a need for highly skilled engineering services with responsive customer focus for the new independent power industry. For the last 28 years he has lead Waldron to become an industry leader in the CHP and private power industry. When not offering solutions to clients, Terry spends time with his wife and five children. He enjoys running, rowing, biking and devouring historical novels. But, a true geek at heart, he has the most fun developing ideas for new energy technologies – some of which will soon come to fruition. JOHN SWEET, P.E President John attended the University of Michigan and graduated with a Mechanical Engineering Degree. He then spent over 5 years in the U.S. Navy as a commissioned officer in the Nuclear Powered Surface Warfare community. In addition to other combat systems related assignments in the Navy, he was the electrical distribution officer on-board the USS Enterprise, a nuclear-powered aircraft carrier where he also was responsible for the supervision of the operation of a dual nuclear reactor plant complex. Shortly after leaving the Navy, he attended Boston College where he earned his MBA. John helped to launch Waldron in 1992. During his career at Waldron he has worked in various roles, from mechanical engineer to lead mechanical engineer as well as project management and corporate management responsibilities. He has been involved in power projects around the world from Indonesia and India to Peru and Honduras, as well as many in the U.S. He has been responsible for the management of the engineering, procurement and construction of several of Waldron’s largest Combined Heat and Power projects. He enjoys cycling, golfing, playing chess, and spending time with his wife and daughters at the beach near their home in Kennebunk, Maine. John Sweet David Forbes GRANT PAGE VP of Construction Grant earned a bachelor’s degree from Massachusetts Maritime Academy where he majored in Marine Engineering and minored in Plant and Facilities Engineering. He also received an MBA from Franklin Pierce University. Grant spent several years working at the Portsmouth Naval Shipyard as a maintenance and planning engineer. Grant went on to work in the industrial construction and public utility sector, building 20+ years of experience as an engineer, estimator, project manager, and safety officer. His expertise includes the development and execution of projects using Construction Manager at Risk; Design-Build; and Engineering, Procurement, and Construction (EPC) project delivery methods. Grant lives in southern New Hampshire where he enjoys spending time with his wife and two children. In the summer he can be found in the New Hampshire Lakes Region boating with family and friends. In the fall he can rarely be found, as he wanders into the woods… sometimes in blaze orange and sometimes in camouflage. MICHAEL MARK, P.E. VP of Engineering After a brief tenure in the mid-West, Michael landed in Alabama in time to join-up for the first grade, where as a transplant he struggled to put the sport of football in its appropriate context. This was rectified by his enrollment at Auburn University, where his formal education on the matter was completed. He participated in the Cooperative Education Program while at Auburn and worked for two years with Rheem Manufacturing in Montgomery, AL while completing his Mechanical Engineering Degree. After graduation Michael moved to Maine, bought a suit, and responded to an outdated job posting that confused everyone involved, but led to a part-time position at Waldron in 2000. The part-time aspect of his employment lasted for about a day, since which time Michael has progressed steadily within the company to his current position. He has worked on projects of all shapes and sizes, from studies to commissioning, including construction projects with steam turbines, power boilers, reciprocating engines and combustion turbines. Michael continues to live in Maine with his wife. He enjoys both reading and writing, with a smattering of his favorite novels being Cryptonomicon by Neal Stephenson, Mason & Dixon by Thomas Pynchon, and White Noise by Don DeLillo. As far as technical books go, The End of Certainty by Ilya Prigogine went down pretty well, as did The Rainbow and the Worm by Mae-Wan Ho. He grew up on a steady diet of Jim Kjelgaard stories. MICHAEL MARK, P.E. VP of Engineering After a brief tenure in the mid-West, Michael landed in Alabama in time to join-up for the first grade, where as a transplant he struggled to put the sport of football in its appropriate context. This was rectified by his enrollment at Auburn University, where his formal education on the matter was completed. He participated in the Cooperative Education Program while at Auburn and worked for two years with Rheem Manufacturing in Montgomery, AL while completing his Mechanical Engineering Degree. After graduation Michael moved to Maine, bought a suit, and responded to an outdated job posting that confused everyone involved, but led to a part-time position at Waldron in 2000. The part-time aspect of his employment lasted for about a day, since which time Michael has progressed steadily within the company to his current position. He has worked on projects of all shapes and sizes, from studies to commissioning, including construction projects with steam turbines, power boilers, reciprocating engines and combustion turbines. Michael continues to live in Maine with his wife. He enjoys both reading and writing, with a smattering of his favorite novels being Cryptonomicon by Neal Stephenson, Mason & Dixon by Thomas Pynchon, and White Noise by Don DeLillo. As far as technical books go, The End of Certainty by Ilya Prigogine went down pretty well, as did The Rainbow and the Worm by Mae-Wan Ho. He grew up on a steady diet of Jim Kjelgaard stories. Michael Mark

At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. CONSULTING At Waldron, commissioning is a thoroughly mapped, step-by-step approach designed to explore the entire operating envelope of a facility and demonstrate the project’s key outcomes have been met. Because of our focused expertise in energy system engineering, we are able to remain constructively engaged throughout the process of testing, troubleshooting, and optimizing a facility’s performance. STEP-BY-STEP GUIDANCE PROJECT DEFINITION In-depth commissioning requires a thorough understanding of project goals. As with all of our services, the starting point is a detailed understanding of the specific financial, environmental and functional criteria established at the project outset. This knowledge informs the planning process. PLANNING There are three levels of planning: project level sequencing of system energization and functional testing with a facility, detailed step-by-step commissioning procedures for each system that guide the start-up and testing processes, and daily plans convened by Waldron’s commissioning manager on-site to coordinate all parties associated with or affected by the work. Much of our work is accomplished in operating facilities and requires a thorough understanding of the impacts commissioning will have on existing systems, as well as the ability to develop contingency plans. TESTING AND RESPONDING Commissioning is not a straight line from A to B: a thorough commissioning process is a daily encounter with the unexpected. Waldron’s commissioning teams excel at providing leadership and technical guidance to clients, contractors and operations teams when troubleshooting is necessary, and are capable of efficiently realigning resources to keep the process moving forward. Given the opportunity, we are not passive observers, but active contributors to the resolution of difficulties encountered. DOCUMENTATION Waldron provides daily reports of commissioning activities, as well as annotated procedures that document the step-by-step outcomes realized during the commissioning process. The result is a wealth of information for the facility owners and operators. It is possible to understand exactly what was tested, what worked and what didn’t and why, and how the deficiencies were resolved. The result is a clear roadmap for future operations.

For thirty years, Waldron Engineering & Construction has delivered custom-engineered energy solutions to a diverse array of clients. From turnkey facilities to fresh insights that drive decision-making, we offer resilient, innovative and constructible solutions built to thrive in today’s dynamic utility landscape.

< 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.

< Back to all projects SIMMONS UNIVERSITY INFRASTRUCTURE IMPROVEMENT PROJECTS LOCATION: Boston, MA DESIGN START: February 2011 PHASE I & II COMPLETE: 2012 PHASE III COMPLETE: 2016 FIRM ROLE: Owner’s Engineer Services, Construction Support, Start-Up & Commissioning Assistance Simmons University retained Waldron Engineering to perform work on various infrastructure improvement projects at their Boston campus. Phase I involved the development of design plans and specifications for the complete replacement of direct-buried steam and condensate distribution piping at the residence campus. The piping network serves the heating and domestic hot water needs of eight student housing buildings and a dining/administration building. Waldron also performed construction support services during the fast-track installation. Phase II was to examine options for a complete relocation of the primary electrical service at the main campus. Drawings and specifications of the preferred option were then developed for the relocation effort. Waldron’s scope also included utility coordination, construction support services and start-up assistance. Phase III involved developing and assisting with the implementation of a phased plan for the complete replacement of boilers and auxiliary steam plant equipment at the main campus Central Heating Plant. Phase 1 and 2 of the project were successfully completed in 2012 with two new boilers going online and Waldron completed Phase 3 in early 2016.

< Back to all projects TUFTS UNIVERSITY COMMISSIONING LOCATION: Medford, MA SIZE & TECHNOLOGY: 4 MW Gas-fired recip. engine. 800-ton electric chiller 600-tons of hot water absorption chiller and pumps IN SERVICE: Winter 2018 FIRM ROLE: Owner’s Engineer Services, Cx Waldron Engineering was contracted to perform the commissioning services for the new Tufts Central Energy Plant. The plant consisted of a 4 MW gas-fired reciprocating engine, with 200 horsepower waste heat recovery boiler and 3x800 horsepower firetube boilers. The facility also included an 800-ton electric chiller and 600-ton hot water absorption chiller. Waldron, as the commissioning agent and systems trainer, coordinated new boiler/chiller plant startup while the existing plant was in operation, provided supplemental design and engineering during construction and commissioning, worked with vendors to correct equipment design oversight, and developed commissioning test procedures. The challenge of getting the new systems operational against the backdrop of a working plant required careful coordination, precise planning, and smooth execution of our commissioning plan. Tufts was able to get its system online and derive an economic benefit from its new cogeneration systems.

< Back to all projects UMASS POWER PLANT & DISTRIBUTION INFRASTRUCTURE SYSTEM STUDY LOCATION: Worcester, MA START: Fall 2018 COMPLETION: Spring 2019 FIRM ROLE: Engineering Consultant Waldron has been working on projects on the UMass Medical School Campus for over 20 years. The goal of this power plant and distribution infrastructure system study was to develop the most effective solution from a life cycle perspective to meet the evolving needs of the campus over the next 20—30 years. The three utilities that were studied included electric, steam and chilled water. As part of this project, Waldron performed an assessment of existing equipment and infrastructure, reviewed the current operating strategy, developed a conceptual upgrade to the campus metering scheme, and reviewed over twenty capital projects for their potential benefits to the system. For each of these capital projects Waldron conceptualized a project approach, calculated the life cycle outcomes for the campus using an 8,760-hr utility model, developed capital cost budgets for each, and also reviewed the level of urgency and environmental impacts of each. The project included hydraulic modeling of the steam and chilled water distribution systems, modeling of the electrical distribution system, and development of an 8,760-hr utility model with dispatch algorithms for the combustion turbine, three steam turbines, boilers and chillers within the UMMS facility. These models enabled investment grade accuracy for the life cycle cost analysis associated with each of the capital upgrades that were considered for the facility.

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< Back to all projects HARVARD BLACKSTONE – BOILER 11 UPGRADE DESIGN START/COMPLETION: November 2010 – June 2011 SIZE & TECHNOLOGY: 150,000 lb/hr dual fuel (natural gas and #6 oil), 400 psig steam boiler IN-SERVICE: November 2012 FIRM ROLE: EPC (Engineering, Procure, Construct), Commissioning In 2003, Harvard purchased the Blackstone Station in Cambridge, MA from NSTAR to insure a secure source of steam to serve the future campus expansion. Waldron was retained to provide technical due diligence for the purchase as well as develop a plan for Blackstone that would meet the Campus growth needs into 2020. The installation of Boiler 13 was the first step in the plan. After the successful installation of Boiler 13, the next step was the Boiler 11 upgrade. Waldron was once again brought on as the EPC contractor by Harvard University for the project. The project scope included an upgrade of the fuel delivery and control systems associated with Boiler 11 at Harvard’s Blackstone steam plant in Cambridge, MA. The proposed work involved a 150,000 lbs/hr dual fuel (natural gas and #6 oil), 400 psig steam boiler burner management and combustion control systems complete replacement. These upgrades modernized the fuel train and combustion controls for the industrial boiler which provides part of the Harvard campus steam supply.

< Back to all projects GENERADORA ELECTRICAL DEL NORTE LOCATION: Puerta Barrios, Guatemala SIZE & TECHNOLOGY: 5.8 MW Turbo Expander, Super Critical Propane, Cycle Evaporative Cooling DESIGN START: Fall 2012 IN SERVICE: Spring 2013 SCHEDULE: Construction Start Winter 2013, Construction Complete Summer 2013 FIRM ROLE: Engineering, Procurement Generadora Electrical Del Norte (Genor), a Guatemalan independent power producer, owned a 40 MW heavy fuel oil-fired reciprocating engine plant in Puerto Barrios, Guatemala. Recognizing the benefits of an improved plant heat rate, Genor under-took an analysis of ways to improve the output and efficiency of the Puerto Barrios facility. A number of options were analyzed to “combine cycle” the plant. The plant selected the Organic Rankine Cycle ORC-AT, as designed by Waldron. Waldron has an exclusive license agreement to design and construct the ORC-AT cycle. The cycle consists of a two-stage heat recovery system producing supercritical propane from exhaust waste heat. Energy in the propane is converted to shaft horsepower in a two-stage turbo expander coupled to a single generator via a common gearbox. Heat from exhausted propane is recuperated against propane prior to recycling to the superheater. Cooling for the cycle is via a bank of evaporative condensers. The plant will produce a net output of 4.0 MW for sale to the grid with the addition of no fuel input.

< Back to all projects UMASS POWER PLANT & DISTRIBUTION INFRASTRUCTURE SYSTEM STUDY LOCATION: Worcester, MA START: Fall 2018 COMPLETION: Spring 2019 FIRM ROLE: Engineering Consultant Waldron has been working on projects on the UMass Medical School Campus for over 20 years. The goal of this power plant and distribution infrastructure system study was to develop the most effective solution from a life cycle perspective to meet the evolving needs of the campus over the next 20—30 years. The three utilities that were studied included electric, steam and chilled water. As part of this project, Waldron performed an assessment of existing equipment and infrastructure, reviewed the current operating strategy, developed a conceptual upgrade to the campus metering scheme, and reviewed over twenty capital projects for their potential benefits to the system. For each of these capital projects Waldron conceptualized a project approach, calculated the life cycle outcomes for the campus using an 8,760-hr utility model, developed capital cost budgets for each, and also reviewed the level of urgency and environmental impacts of each. The project included hydraulic modeling of the steam and chilled water distribution systems, modeling of the electrical distribution system, and development of an 8,760-hr utility model with dispatch algorithms for the combustion turbine, three steam turbines, boilers and chillers within the UMMS facility. These models enabled investment grade accuracy for the life cycle cost analysis associated with each of the capital upgrades that were considered for the facility.

< Back to all projects JAMAICA PRIVATE POWER COMPANY LOCATION: Rockford, Jamaica DESIGN START: 1993 IN-SERVICE: Commercial Operation, Q1 – 1998 SIZE & TECHNOLOGY: 64 MW Heavy Fuel Oil (HFO) Slow Speed Diesel Engines with Condensing Steam, Turbine Generator FIRM ROLE: Owner’s Engineer, Start-Up and Commissioning Waldron Engineering was engaged to develop a design concept and technical specification to enable the owner to solicit turnkey construction bids. Subsequent to the initial work, we were retained to start-up; commission and performance test this facility. Waldron acted as the Owner’s Engineer – involved in the project development phase and assisted the owner to develop an EPC RFP and EPC bid evaluation, along with reviewing contractor design and construction submittals. Waldron participated in the project design and construction meetings. In the start-up and commissioning phase Waldron assisted with the equipment start-up crew to start-up the major equipment, develop commissioning plans and performed system commissioning tasks. Waldron also developed the facility performance test protocol, analyzed performance test results and developed the final performance test report. The facility contains two MAN slow speed 30 MW reciprocating engines exhausting into two pressure forced circulation heat recovery steam generators and one 4 MW steam turbine.