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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.

< Back to all projects NATIONAL INSTITUTES OF HEALTH LOCATION: Bethesda, MD STUDY DATE: May 2016 – April 2017 SIZE & TECHNOLOGY: Combustion Turbine, Chilled Water Storage, Electrical Distribution System FIRM ROLE: Feasibility Study NAICS: 541330, 237130, 237120, 236220, 221112, 221117, 221118, 221121, 221122 Waldron performed a comprehensive utility study for NIH to evaluate the possibility of expanding the existing utility plant. The campus is presently served by a nominal 23 MW cogeneration facility, which is located adjacent to an existing thermal plant consisting of 60,000 tons of nameplate chilled water production capacity, with both steam and electric motor driven chilling capabilities, and five boilers with a nameplate production capacity of 800 kpph. Waldron developed a model for the entire campus utilizing existing utility data, and taking into account infrastructure upgrade projects that were planned, but not yet implemented, including an upgrade to the existing combustion turbine, a modification to the campus electrical distribution system, and the introduction of approximately 8 million gallons of chilled water storage. As part of the analysis Waldron reviewed fuel supply opportunities with local utility, identified electrical switchgear upgrades that would be required to support a new cogeneration option, and analyzed multiple sizes and types of generation to identify the optimal technology and size for additional on-site power generation. As part of the analysis, Waldron reviewed air emission constraints on generator sizing as well.

< Back to all projects JAMAICA BROILERS LOCATION: Spring Garden, Jamaica IN-SERVICE: 2002 SIZE & TECHNOLOGY: 15 MW Heavy Oiled Fired Reciprocating Engine FIRM ROLE: Owner’s Engineer Waldron Engineering was engaged to develop a design concept for a cogeneration plant at a food processing facility. The plant size was 15,300 KW with 50,000 lbs/hr of steam generation. The prime movers for this project are multiple #6 oil fired Wartsilla reciprocating engines exhausting into a single heat recovery steam generator, a dual fuel package boiler and a hot water absorption chiller. Waldron Engineering oversaw the letting of the EPC contract and the commissioning of the plant systems as the Owner’s Independent Engineer.

< Back to all projects MIT LINCOLN LABORATORY FEASIBILITY STUDY LOCATION: Bedford, MA PROJECT START: October 2019 PROJECT COMPLETION: April 2020 FIRM ROLE: Feasibility Study MIT Lincoln Laboratory (MITLL) is a federally funded research and development center chartered to apply advanced technology to problems of national security. MITLL occupies ~2.5 million GSF. Of that 2.5M GSF, 2.0M GSF is located on 110 acres (20 acres of which are MIT property) on the eastern perimeter of Hanscom Air Force Base. The majority of the campus buildings were constructed during the 1950s and 1960s. The last major building, Building S, was completed in 1994. MITLL is in the process of reviewing its real estate needs as well as beginning the implementation of a series of phased projects that will reshape the campus. MITLL is planning a complete revitalization of the campus which includes numerous new facilities. Waldron was retained to develop a Utility Master Plan to support both the new and existing facilities. The plan includes our hybrid approach to central plants, combining solar PV, battery energy storage system and trigeneration into a single centralized plant that will minimize utility cost, minimize greenhouse gas impacts, and provide for 100% supply of utilities in the event of a utility outage.

< Back to all projects ERVING INDUSTRIES MICROGRID PROJECT LOCATION: Erving, MA DESIGN START: November 2014 SIZE & TECHNOLOGY: 5.6 MW Solar Turbine, Taurus 60 dual fuel combustion turbine with duct-fired heat recovery steam generator IN-SERVICE: December 2015 FIRM ROLE: EPC (Engineer, Procure, Construct), Commissioning Waldron served as the EPC (engineer, procure, construct) contractor for the Erving Paper CHP Project. The job consisted of a new CHP and building located adjacent to the mill’s existing steam plant, and included a Solar Turbines Taurus 60 dual fuel combustion turbine with a duct-fired, 600-psig heat recovery steam generator, connection to the mill’s existing compressed natural gas delivery system, a synthetic natural gas (propane + air) mixing system for secondary fuel to the duct burner, a revised 13.8 kV electrical interconnection with new switchgear, a black start generator, and various upgrades to the existing utility systems necessary to accommodate the project. Waldron worked with the mill and a team of subcontractors to complete engineering, procurement, construction and commissioning of this fast-track project within eighteen months from notice to proceed, working within and around the operating mill.

< Back to all projects UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL LOCATION: Worcester, MA DESIGN START: Winter 2010 DESIGN COMPLETION: Winter 2011 SIZE & TECHNOLOGY: 7.5 MW Electric, 60,000 lb/hr Steam, 4,000 ton Electric Chiller, Dual Fuel Combustion Turbine FIRM ROLE: Engineering, Construction Management, Technical Support and Commissioning The University of Massachusetts Medical School (UMMS) in Worcester is a large medical hospital, research center, and medical school campus. Due to continuing campus expansion, their existing cogeneration facility could not meet capacity. Energy efficiency and reliability were key concerns in developing plant options. Waldron Engineering was selected to do the engineering and design of the UMMS cogeneration plant expansion. The cogeneration plant expansion included a 7.5 MW dual fuel combustion turbine, a fired HRSG rated at 60,000 lb/hr, 1100 psig and 850ºF, a new natural gas compressor, a new 4000 TR electrical chiller and a new plant master electrical control system with intelligent load shedding scheme that greatly enhanced the overall electrical system reliability. The new cogeneration system boosted the overall efficiency from 55% to over 70%, exceeding expectations. The project scope included: building structural design electrical design—included interconnection between the existing generators and the new electrical system to shape a complete load shedding scheme mechanical design— included high pressure steam system connecting with the existing steam system new HP natural gas system modified an existing 80,000 gal no. 6 fuel oil system to no.2 fuel oil system.

< Back to all projects BRIGHAM & WOMEN'S BATTERY ENERGY STORAGE SYSTEM LOCATION: Boston, MA DESIGN START: November 2018 DESIGN COMPLETION: December 2019 SIZE & TECHNOLOGY: 1 MW/660kW-Hr FIRM ROLE: Engineering, Construction Management and Commissioning The installation of a Battery Energy Storage System (BESS) at the Brigham & Women’s Hospital was executed as an EPC (Engineer-Procure-Construct) project. BWH was looking for resiliency and peak demand reduction for their campus. The new battery energy storage system supplements operation of the existing CHP system which included a 4 MW 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, 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 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.

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. COMMISSIONING 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.

< Back to all projects P&G GILLETTE WORLD HEADQUARTERS CHP LOCATION: Boston, MA DESIGN START: Winter 2009 DESIGN COMPLETION: Summer 2010 SIZE & TECHNOLOGY: 7.5 MW Taurus 70 with HRSG & SCR FIRM ROLE: Engineering, Procure, Construction Management and Commissioning IN-SERVICE: Summer 2011 Waldron was selected by P&G Gillette to expand their existing power plant by installing a new combined heat and power plant in a location that was occupied by an existing boiler. A multi-level plant design was developed with the prime mover selected as the 7.5 MW Solar Taurus 70 gas turbine that exhausted through a 100kph Rentech HRSG. Waldron was also awarded the construction management (CM) and procurement contract for the plant installation. Except for the turbine, gas compressor, and HRSG; Waldron supplied all plant auxiliary equipment and subcontracts to execute the plant installation. The CM scope included site work, soil remediation, driven piles, concrete foundations, demolition of existing plant interferences and boiler, abatement, structural steel installation, major & auxiliary equipment installation, piping & insulation, aqueous ammonia tank, fire suppression, fire alarm, architectural finishes, electrical distribution, and instrumentation and controls. In addition, Waldron performed the start-up & commissioning of the plant. Throughout the project there was continued added scope due to unforeseen conditions with an expectation of zero changes to the schedule. Waldron also had changing utility interconnect requirements which led to impacts on the design. In addition, Waldron successfully navigated Boston permitting changes during the certification of occupancy process. Waldron’s work on Gillette proved to be very challenging. After many curveballs, we met those challenges successfully. For example, Waldron had to perform the demolition and erect structural steel inside the operating plant—a plant that could not have any unplanned outages. We also had to be creative in planning and executing construction operations during severe weather conditions in order to make a large cut in the existing building envelope during the winter months in Boston. Existing sensitive equipment and systems installed in the construction path had to be protected from construction activities. As a scheduling challenge, Waldron had to coordinate weekend fire alarm testing and the permit closeout process between the vendors, the subcontractors, the Boston Fire Department and P&G – which in and of itself is no small task. It is worthy to remember that the plant had to stay operational at all times to support the manufacturing of P&G Gillette products. Waldron and our subcontractors planned and worked many major holiday weekends to suit the few plant planned outage schedules. Waldron worked closely with the client and building owner during the commissioning process to overcome impacts to the newly installed equipment from utility harmonics.

Waldron delivers custom-tailored, full-service energy solutions for our clients. Our unique blend of talent, expertise, and innovation drives every service we offer. Services Waldron delivers custom-tailored, full-service energy solutions for our clients. Our unique blend of talent, expertise and innovation drives every service we offer. Multi-Discipline With structural, electrical, controls, and mechanical engineering in-house, Waldron delivers integrated, fully-coordinated designs that capture all key project elements. Vertically-Integrated Waldron’s experience is informed by active participation in every phase of an energy project’s life cycle, from initial development through construction to start-up and commissioning, including delivery of turnkey projects. Utility Grade Waldron’s design packages are detailed, coordinated, and comprehensive. We deliver a “utility grade” standard of care by conveying fully engineered system designs with the essential details required to construct your facility. Energy-Focused Energy generation, storage, and distribution projects are what we do. Because of this, each and every day on the job expands our market-leading expertise. Customer-Centric Waldron emphasizes pragmatic, proactive problem-solving on behalf of our clients. Flexibility, responsiveness, and transparent communications are hallmarks of our approach. Performance Guaranteed Given the opportunity, Waldron will deliver turnkey energy generation and distribution projects backed by performance guarantees. ANALYTICS Waldron’s suite of analytical tools has been developed specifically to explore the complex interactions of microgrid systems. We are adept at mapping the technological, financial, regulatory and environmental parameters that shape an energy project, and delivering the insights required to manage your future with confidence. LEARN MORE ENGINEERING Waldron has extensive experience in the engineering and design of energy generation and distribution systems. We excel at developing fully integrated design packages tailored to your needs, and steering them through construction. LEARN MORE CONSTRUCTION MANAGEMENT Waldron’s construction management team is focused solely on the construction of central energy facilities and utility distribution systems. We can provide the program management, pre-construction Services and construction management required to ensure your project is delivered on time and on budget. LEARN MORE COMMISSIONING Waldron’s startup, commissioning and performance testing expertise provides the bridge between construction and commercial operation. We have a proven track record in the development and successful execution of detailed commissioning plans for plants ranging from institutional central heating and cooling facilities to full-scale utility power stations. LEARN MORE

< 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.