Forum quick links
Liquid hand soaps/body wash
EBOM-2009 IEQc3.3:Green Cleaning—Purchase of Sustainable Cleaning Products and Materialsposted by Jutta Berns on
We have project that is using a liquid body wash that is technically a liquid hand soap too (purchased as both but in different packaging).
Commissioning required for a CHP?
NC-2009 EAp1:Fundamental Commissioning of Building Energy Systemsposted by André Harms on
One of our factory projects is planning on installing a CHP (combined heat and power) plant, with natural gas as the fuel source. Does this system require commissioning?
Surrounding density and Diverse Uses
NC-v4 LTc4:Surrounding density and diverse usesposted by Tim Bell on
I am currently working on a major project in South Africa that will provide diverse uses to the building occupants only as the site is fully enclosed for security reasons.
Insulation of Piping Cast into Concrete
NC-2009 EAp2:Minimum Energy Performanceposted by André Harms on
We are working on a project where a significant amount of the domestic hot water ring feed piping will be cast into the concrete walls, and the designer is querying if these pipes will need to be i
Motor efficiency in 50Hz countries
NC-v4 EAp2:Minimum energy performanceposted by André Harms on
In response to the ASHRAE 90.1:2007 mandatory requirements for the efficiency of 60Hz motors, some had used the European IE2 standard for 50Hz motors and demonstrated equivalency.
Car wash bay
NC-2009 WEp1:Water Use Reduction—20% Reductionposted by Marni Punt on
Hi, I am working on an office building and the team is considering to include a car wash bay. Would I be able to classify this as process water and exclude it from the WEp1 calculation?
Natural Ventilation
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Chilufya Lombe on
Good day, we have a project that is naturally ventilated. ASHRAE 90.1 2007 states that the energy cost budget method cannot be used for designs with no mechanical systems.
Cold rooms
NC-2009 IEQp1:Minimum IAQ Performanceposted by Jutta Berns on
Good morning, We have a project that has two cold rooms at -17 and 0 degrees Fahrenheit. These rooms are temporary storage locations of perishable product.
Engineered natural ventilation system
NC-2009 IEQp1:Minimum IAQ Performanceposted by Jutta Berns on
Hi all We have three Warehouse's that use 'turbo ventilators' (wind driven extraction fans) and not a pure mechanical system.
Public Restrooms Definition (ASHRAE 90.1)
NC-2009 EAp2:Minimum Energy Performanceposted by André Harms on
We are busy assessing whether or not the "Public lavatories have outlet temperature controls that limit the discharge temperature to 110°F" ASHRAE 90.1 Mandatory requirement.