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Clarifications on No Cooling Tower Credit.

NC-v4 WEc3: Cooling tower water use
posted by Priya Venkat on Mar 18, 2019, 11:18 am

Hi,

In one of the projects, there are no cooling tower. There are no AC Spaces in our project, and hence for the energy simulations ASHRAE 90.1 2010 Appendix G Space System 10 is selected...

100% nonportable water for cooling tower

NC-v4 WEc3: Cooling tower water use
posted by Thomas Tran on Feb 13, 2019, 4:08 am

Hi,

LEED reference document says in the Required document Table (page 309):

- Nonportable water analysis (if use 100% nonportable water) -------------------------------------- 2...

How to control the maximum number of cycles of the cooling tower?

NC-v4 WEc3: Cooling tower water use
posted by Yoyo Shek on Dec 17, 2018, 12:03 am

Hi All,

How do we control the maximum number of cycles of the cooling tower?

Is it by controlling bleed off rate and make-up water rate according to the following method which I...

How to control the maximum number of cycles of the cooling tower?

NC-v4 WEc3: Cooling tower water use
posted by Yoyo Shek on Dec 17, 2018, 1:22 am

Hi All,

How do we control the maximum number of cycles of the cooling tower?

Is it by controlling bleed off rate and make-up water rate? 

Thanks in advance!

...

Last reply: Yoyo Shek, Dec 17, 2018, 1:23 am

Rainwater and cooling coil condensate

NC-v4 WEc3: Cooling tower water use
posted by Rob Hink on Dec 6, 2018, 10:32 am

Good afternoon,

The reference guide lists Rainwater as a good non-potable water source for make-up water. The proposed cooling tower manufacturer raised the following concern for use of...

Last reply: David Hubka, Dec 6, 2018, 10:57 am

No cooling tower- ACP

NC-v4 WEc3: Cooling tower water use
posted by Charalampos Giannikopoulos on Jul 30, 2018, 1:48 pm

Hi all! Does anyone know whether the “No Cooling Tower” credit is an alternative substitute of “Cooling tower water use” credit or a pilot credit? In other words, would a project which meets all...

Last reply: Ece Ersoz, Oct 22, 2018, 2:39 pm

Campus District Cooling Tower

NC-v4 WEc3: Cooling tower water use
posted by Heather Zeto on Sep 11, 2017, 2:48 pm

Our project is on a University campus, which utilizes a Distrcit Plant.  There is no Cooling Tower directly within our project, but there is one at the District Plant.  Can we count the District...

Last reply: emily reese moody, Oct 2, 2018, 2:45 pm

City Potable Water Analysis Reports

NC-v4 WEc3: Cooling tower water use
posted by Saif Abdulameer on Apr 11, 2018, 10:54 am

Can I use the potable water analysis reports from the city utility to calculate the cycles?

Last reply: Rebecca Aarons-Sydnor, Sep 12, 2018, 12:42 pm

Water analysis

NC-v4 WEc3: Cooling tower water use
posted by Floyd Valade on Jul 27, 2018, 4:52 am

The documentation requirements for WEC3 requires the non-potable water analysis if using 100% non-potable (for 2 points).
As per points table, for 2 points threshold, min 20% non potable...

How Close for Cycles of Concentration

NC-v4 WEc3: Cooling tower water use
posted by Nathan Gauthier on Jan 19, 2018, 4:22 pm

The credit is pretty vague about defining the "maximum number of cycles without exceeding any filtration levels". Does this need to be exact (to the gallon over a year)? For example, one of my...