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UBC Steam to Hot Water Conversion Project

Summary UBC is currently completeing its 5 year, 10 phase, $88m steam to hot water conversion project. This project will see the transition and decommissioning of UBC's 1925 vintage legacy steam system and its replacement by a new Hot Water District Energy System (DES). The project also...


Paul Holt's profile image

Library Entry
Central Plant Retro-commissioning at Boston Logan International Airport

Summary Sebesta has worked with Massport for the past three years planning, designing, and implementing a retro-commissioning project at Massport’s central plant, reducing energy consumption and GHG emissions by 30%. This Case Study will provide an overview of the Retro-commissioning process...


Library Entry
Bridgeport CT Community Energy Thermal Network using Fuel cells and Waste-to-Energy

Summary This presentation discusses the Bridgeport, Connecticut story about creating a thermal network using fuel cells and waste-to-energy. Speaker Dan Donovan, NuPower #2015 #AnnualConference #ConferenceProceeding #CommunityEnergy #NuPowerThermal #Bridgeport #Connecticut ...


Library Entry
Biomass Hot Water District Heating for Small Communities without Natural Gas: the Grand Marais Story

Summary The City of Grand Marais is at an advanced stage in developing a hot water district heating system fueled with abundant local waste biomass. Key motivations include stabilization and reduction of long-term energy costs for propane and fuel oil, mitigating wildfire danger, creation of...


Mark Spurr's profile image

Library Entry
Longer lasting manual actuators in steam and water distribution valves

Summary Manual valve actuators on steam and water distribution system valves have a short life due to the corrosive environment. Currently their materials do not match the materials used in the valves. This presentation would review new technology available in corrosion protection and sealing...


Library Entry
A case study of cogeneration system deployment and the assessment about the optimal capacity design of it for the apartment complex

Summary The real operating conditions of cogeneration systems for an apartment complex are investigated and the successful factors or the causes of failure in real application are analyzed in terms of energy loads, system capacity and the maintenance conditions etc. The simulation for the...

3B.2_Lee, Im.pdf

Blog Entry
Veolia inaugurates Spain’s largest district heating scheme

Diarmaid Willaims, DeCentralized Energy Summary Five years after its development was announced, and after a year of tests, Veolia and Móstoles Ecoenergía have inaugurated the biggest district heating of Spain. The 12 MW biomass plant and network will provide heating and hot water to 6,500...

Library Entry
Acoustic Pipe Wall Thickness Testing for Leak Detection in Aging Mains

Summary As pressurized mains age, they leak more, leak quieter, and have higher risks of catastrophic failure. Facility and campus managers are adopting acoustic pipe wall thickness testing (APWTT) to improve Master Planning decisions. The presentation includes case studies from campuses and...


Library Entry
Thin Wall Piping: What’s the Big Deal?

Summary European district heating systems based on hot water have been installed for well over 50 years throughout Scandinavia, Russia and Central Europe. Hot water is typically distributed at temperatures below 250° F. In support of these systems, European manufacturers have developed pre...


David Wade's profile image

Library Entry
Distribution Piping Materials: Building Hydronic System Management

Summary This workshop provides insight into Texas A&M's experience with HDPE piping through the examination of several campus projects. Speaker Jim Riley, Texas A&M University #2015 #CampusEnergyConference #Workshop #ThermalDistribution #TexasAM #Texas #UnitedStates ...

Riley-Distribution Piping Materials-Building Hydronic System Management.pdf

Jim Riley's profile image