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Ramboll has agreed to acquire US engineering and design consultancy OBG

Ramboll Summary The Ramboll Group has entered into an agreement to acquire the US engineering and design consultancy OBG, adding 900 experts within water, energy, environment and advanced manufacturing with effect of 1 January 2019. With the acquisition Ramboll now has 2,000 experts in the US...

Library Entry
The Evolution of the University of Texas at Austin Cooling System & How to Apply their Successes to District Energy Systems in the Middle East

Speakers Juan Ontiveros, University of Texas at Austin Ben Erpelding, Optimum Energy #ConferenceProceeding #CoolingConference #2018 #UniversityofTexasAustin #DistrictCooling #Operations #Optimization #MasterPlanningandSystemDesign


Library Entry
Avoiding a Deep Dive into Shallow Waters...Navigating the Pitfalls of Chiller Technology Trade-Offs

Speaker Brian Smith, Johnson Controls #ConferenceProceeding #CoolingConference #2018 #Chillers #MasterPlanningandSystemDesign #DistrictCooling


Library Entry
Design Considerations for Achieving Optimum Cooling Tower Performance

Summary The cooling tower performance has a determining impact on the operation of a cooling plant. Any deficiency of the cooling tower performance will automatically been translated on lower plant efficiency. A few critical elements which can have an impact are: The cooling tower performance...


Library Entry
Third Expansion of Holy Haram Makkah District Energy Chiller Plants in Shamiya and Ajyad

Summary Provide details on the chillers and their performances in fixed and variable speed with water-cooled and air-cooled radiator systems. The project started in 1993. The long term plan was to expand Makkah Haram to hold over 1.6 million visitors. In 2009 Yok Titan multi-stage centrifugal...


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Library Entry
Existing Plants Upgrade/Expanison Design Considerations, Challenges & Lessons Learned

Summary Upgrading existing plants and/or executing previously planned plant’s expansions is a re-occurrence requirement in the industry of District Cooling in this region. This comes down to the progressive nature of most of the developments where it is neither feasible nor practical to install...


Library Entry
Using TES to Save Both DC Operating AND Capital Costs - A GCC and North American Perspective

Summary Cool TES is well understood to reduce peak electric demand in DC systems, and thus reduce electric costs. However, by incorporating TES, total installed chiller plant capacity can also be reduced from needing to match the peak day's instantaneous peak system load (without TES), to...


Blog Entry
Six Points Interchange wins Urban Design award

DCN News Services Summary OTTAWA — Toronto’s reconfiguration of the 1960s-era “spaghetti junction” interchange in Etobicoke was one of 12 projects announced as National Urban Design Award winners recently. The awards are given out by the Royal Architectural Institute of Canada, the Canadian...

Blog Entry
Preparing for the unexpected at the University of Denver

This article was featured in the Q4 2018 edition of District Energy Magazine. With planning, campuses with aging infrastructure can be ready for and mitigate potential system failures. The University of Denver (DU) is a private institution with roots dating to 1864 when it was founded as a...

Library Entry
Microgrid Absorbers Designed for Maximizing Waste Heat Recovery

Summary Broad recently supplied the absorber to the Montgomery County Maryland Microgrid. This presentation will cover this absorber design as well as few additional types of absorbers that are available and specifically designed to recovery heat from internal combustion engines. As engines...


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