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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. 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.

< Back to all projects HARVARD BLACKSTONE – BOILER 13 DESIGN START/COMPLETION: Spring 2006 – Summer 2007 SIZE & TECHNOLOGY: 5.0 MW Electric, 150,000 lb/hr steam fired boiler / backpressure steam turbine IN-SERVICE: Fall 2008 FIRM ROLE: EPC – Engineering, Procurement Support, Construct, Commissioning In 2003, Harvard purchased the Blackstone Station 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. Waldron was challenged by Harvard to develop a plan for Blackstone that would meet the Campus growth needs into 2020. The first step in the plan was the installation of Boiler 13, underground fuel oil storage, a steam turbine generator and a complete upgrade to the electrical and mechanical systems. Waldron’s scope was to develop the construction plans and specifications, construction management of the project for Harvard, commission, and test the new equipment.

< 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.

< Back to all projects HOWARD M. DOWN GENERATING STATION LOCATION: Vineland, NJ DESIGN START/COMPLETION: Spring 2010 – Winter 2010 SIZE & TECHNOLOGY: 64 MW Trent 60 Gas Turbine / Dilution Air SCR / Natural Gas Compression / Utility Sub-Station IN-SERVICE: Spring 2012 FIRM ROLE: Engineering Vineland Municipal Electric Utility (VMEU) needed to expand the generating base within their service territory. A plan was developed to install 50 MW of capacity adjacent to the existing Howard Down generating station in downtown Vineland. Waldron was selected to be the engineer of record for the design of a new peaking facility. Waldron developed an equipment purchase set of specifications for a nominal 64 MW peaking gas turbine generator and SCR system. The bids were evaluated, and a recommendation was made to VMEU based on best value to select the Rolls Royce Trent 60 prime mover for the Howard Down Unit #11 . Waldron developed a detailed design package around the Trent 60 engine and supported VMEU in the selection and oversight of a general contractor to implement the design. The plant was placed in service on-time for the summer season, 2012.

< 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 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.