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DES Option 2

CS-2009 EAp2: Minimum Energy Performance
posted by BH . on Jun 2, 2014, 7:33 am

LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5903 thumbs up June 2, 2014- 2:29 pm In the future please post your questions and comments in only one of the energy-related forums. I monitor them all and would prefer not to have to reply twice. There is also a DES specific forum- http://www.leeduser.com/topic/new-district-energy-guidance-leed-released... Log in or register to post comments...

Last reply: BH ., Jun 3, 2014, 11:14 am

CW leaving Temperature reset

CS-2009 EAp2: Minimum Energy Performance
posted by Dee Yun on May 16, 2014, 4:44 am

Hi, I am not sure about how to reset the CW leaving temperature in Baseline Case. If the design CW leaving temperature is 85℉ in my model, according to G3.1.3.11, the CW leaving temperature...

Last reply: Dee Yun, May 27, 2014, 9:16 pm

Occupancy Sensors for 'Back of House' space

CS-2009 EAp2: Minimum Energy Performance
posted by Laura Charlier on May 23, 2014, 3:21 pm

As it relates to occupancy sensors being installed in all 'back of house' spaces for this credit, what encompasses back of house spaces? Is there a comprehensive list? i.e. mechanical/electrical...

Last reply: Marcus Sheffer, May 27, 2014, 12:16 pm

Extra Lighting Allowance for Tenanted Areas

CS-2009 EAp2: Minimum Energy Performance
posted by Maya Karkour on May 22, 2014, 9:40 am

Dear All,

I am modeling a retail C&S shopping mall, whereby the developer wants to give a lighting power allowance provision of 50 W/m2 for the retails shops. No lighting fixtures will...

Last reply: Marcus Sheffer, May 27, 2014, 12:13 pm

Process Loads

CS-2009 EAp2: Minimum Energy Performance
posted by Rodrigo Vazquez on May 23, 2014, 1:24 pm

We are working on a project in Mexico City, to comply with the prerequisite 2 we are following Option 1, whole building energy simulation.
In the first simulation we´d done of the energy...

Last reply: Marcus Sheffer, May 27, 2014, 12:11 pm

Minimum air flows for simulation

CS-2009 EAp2: Minimum Energy Performance
posted by TOMAS URIBE on May 7, 2014, 11:21 am

Hello Marcus.

I have a question regarding minimum air flows for a core and shell project.

the minimun cfm for the simulation must be the same in the energy model and IEQ p1 and IEQ...

Last reply: Marcus Sheffer, May 7, 2014, 12:20 pm

Design Process Load requirements?

CS-2009 EAp2: Minimum Energy Performance
posted by Matt Humphreys on May 6, 2014, 5:29 pm

If a mechanical design engineer adds a note on the mechanical schedules stating "...

Last reply: Marcus Sheffer, May 7, 2014, 12:16 pm

Modified Prerequisite

CS-2009 EAp2: Minimum Energy Performance
posted by TOMAS URIBE on Apr 8, 2014, 5:41 pm

Hello Markus.

We are planing to use LEED-CS Revised points thresholds based in Owner Energy percentage. However, it is not clear whether the percentage is calculated using the baseline or...

Last reply: Marcus Sheffer, Apr 8, 2014, 5:55 pm

ASHRAE and voltage drop

CS-2009 EAp2: Minimum Energy Performance
posted by BH . on Apr 2, 2014, 5:19 am

ASHRAE puts a requirement to keep in electrical services on the feeders max 2% voltage drop and on the branch circuits max 3%.
Is it possible to keep this 5% but split in any other way for...

Last reply: Marcus Sheffer, Apr 2, 2014, 10:15 am

Address extraction in simulation

CS-2009 EAp2: Minimum Energy Performance
posted by Isabel Santos on Mar 14, 2014, 12:25 pm

Good afternoon,

My company is developing a LEED Core and Shell evaluation of a warehouse that does not have any climatization systems (it is considered "Unconditioned" because it has a...

Last reply: Marcus Sheffer, Mar 23, 2014, 3:16 pm