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Shaping Tomorrow's Built Environment Today
February 15, 2024
The EPA unveiled stricter limits for PM2.5 particles, commonly referred to as soot, reducing the allowable limit for annual PM2.5 levels from 12 micrograms per cubic meter to 9. The new standard represents the first tightening of the rules since 2012, but states will have several years to reach the new limits. Tighter standards may prevent an estimated 4,500 premature deaths and 800,000 asthma-related emergency visits by 2032 and could reduce health-care costs by about $46 billion. Read more
 
 
Kenya’s state-owned power company KenGen announced a new tender for consultancy services for a feasibility study open to international applicants. Over 180 wells have been drilled in Olkaria field in Kenya, producing two-phase geothermal fluid separated into steam and brine. KenGen intends to utilize heat energy in separated brine for power generation using binary technology. The study is expected to take six months. Read more
Feasibility Study on Geothermal Power Generation From Brine
Olkaria geothermal plant in Naivasha, Kenya. Credit: Lydur Skulason.
 
 
SThe National University of Singapore in Queenstown (NUS), Nanyang Technological University, Singapore (NTUS), together with Singapore’s National Research Foundation and Infocomm Media Development Authority, with 20 IT companies (including Meta, Intel and Dell Technologies) have established the industry’s first data center testbed for tropical climates. Dubbed the Sustainable Tropical Data Centre Testbed (STDCT), the research facility occupies a floor area of 770 m2 in NUS and officially opened its door for business in November, after the idea was conceived in 2021. Innovative technology includinga prototype of a desiccant-coated heat and mass exchanger and a direct-to-chip hybrid cooling system are being developed at STDCT to address humidity and cooling concerns in tropical climates. Read more
 
 
 
ASHRAE Journal
By Terry L. Rodgers, Member ASHRAE; Robert E. McFarlane, Member ASHRAE; and Joseph F. Prisco
ASHRAE SSPC 90.4 published an updated version of Standard 90.4, Energy Standard for Data Centers, last year as ANSI/ASHRAE Standard 90.4-2022, which was be incorporated into Standard 90.1 as an Alternate Compliance Path. This article gives an overview of the purposes of Standard 90.4, its history and how it can be effectively used when designing and building data centers. Download here
ASHRAE News
The Confederation of Indian Industry’s Indian Green Building Council (IGBC) signed a memorandum of understanding with ASHRAE to advance sustainability practices and energy efficiency in India, addressing eco-friendly refrigerants, indoor air quality thermal comfort, commissioning and more. Read more
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In Case You Missed It
Computer vision, machine learning and generative AI are poised to reshape the built environment, responding to changing conditions on job sites. In the construction industry, AI innovation can be seen in new robotics, 2-D and 3-D modeling, drone-guided roofing and more, turning AI from a novelty into a valuable asset that is in high demand. "For construction technology, the trifecta of computer vision, machine learning and generative AI is really going to reshape the built environment, because AI is going to power dynamic predictions that respond to all the different changing conditions on a job site,” said Wyatt Jenkins, chief product officer at Santa Barbara-based contech giant Procore. Read more
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