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Control devices required for meeting ASHRAE 55

CS-2009 IEQc7: Thermal comfort - design
posted by Mindaugas Mi on Dec 21, 2016, 12:56 pm

Dear Leeduser.com members.

We have a question regarding whether we need these controls for meeting LEED credits under v2009 CS version.

- Radiator heating system. Valves are...

Last reply: Scott Bowman, Jan 12, 2017, 6:19 pm

Process temperature controlled space

NC-2009 IEQc6.2: Controllability of systems - thermal comfort
posted by Karen Elliott on Dec 2, 2016, 6:54 am

I have a project where the temperature must be controlled automatically to ensure the manufactured product quality is maintained. Personnel do work full shifts within that space with...

Last reply: Tristan Roberts, Jan 7, 2017, 6:08 pm

Plaza at grade building above.

NC-2009 SSc7.1: Heat island effect - nonroof
posted by Paul Rogers on Dec 26, 2014, 6:57 am

I am working on a project where the exterior space consists of an alley way and an outdoor plaza. The outdoor plaza is on columns under the building volume. Am I right in thinking that the...

Last reply: Robert Webber, Jan 6, 2017, 12:54 pm

Reasonable Site Boundary

CS-2009 MPR3: Must use a reasonable site boundary
posted by Mindaugas Mi on Dec 21, 2016, 1:29 pm

Dear Leeduser.com members.

I have a question regarding correct LEED boundary.

1. The building is being built on the whole site area (3 underground stories)
Contractor has...

Baseline outdoor airflow with EN 15251 and DCV

CS-v4 EAp2: Minimum Energy Performance
posted by Sandra Holmström on Nov 14, 2016, 10:59 am


We have a LEED v4 project (office building) were the project team want to use the CEN option for IEQp1 (using EN 15251 instead of ASHRAE 62.1).

Also, for the energy modeling,...

Last reply: Sandra Holmström, Dec 15, 2016, 2:07 am

Peak electricity demand

CS-v4 EAc4: Demand response
posted by Tobias Berge on Dec 6, 2016, 6:47 am

A LEED v 4 Core & Shell Project in Sweden (office and hotell) will try to apply for this credit. No demand respons program is available,
Therefore we will provide infrastructure to...

Last reply: Marcus Sheffer, Dec 6, 2016, 9:59 am

Visitors for residential units

NC-v4 LTc6: Bicycle facilities
posted by Sara Johansson on Oct 20, 2016, 4:27 am


Where can I find info on regular and peak visitors for residentual units? App 2 does not give any information on residentual units. ASHRAE 62.1-2010 Table 6-1 gives default on...

Last reply: Marilyn Specht, Nov 28, 2016, 2:55 pm

Transients, visitors and peak visitors

NC-v4 LTc6: Bicycle facilities
posted by Sara Johansson on Oct 20, 2016, 4:48 am

The LEED manual states that transients = visitors.
The credit requirements are percentages based on peak visitors.
Appendix 2 in the manual gives defaults on transients (visitors)....

Last reply: Marilyn Specht, Nov 28, 2016, 2:48 pm

LEED v3 Campus Deadline

Healthcare-v2009 MPR3: Must use a reasonable site boundary
posted by Francis McNulty on Oct 4, 2016, 9:36 am

We are working on a project with 4 office buildings and a multi-storey car park. We are unsure whether to go for campus certification as the project is phased. There is a masterplan to include a...

Last reply: Tristan Roberts, Nov 18, 2016, 12:20 pm


NC-v4 EAc5: Renewable energy production
posted by Sara Johansson on Nov 10, 2016, 11:22 am


We have a project located in Sweden. Does an akvifer that stores heating and cooling count as...

Last reply: Marcus Sheffer, Nov 10, 2016, 11:51 am