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Energy Modelling- Baseline water-cooled chiller's COP, adjusted to local outdoor conditions in lieu of AHRI conditions?

CI-v4 EAc2: Optimize Energy Performance
posted by Andrew Xiao Junzhao on Mar 12, 2019, 4:51 am

Dear LEED APs,

I have a LEED CI v4 project in Taipei, Taiwan, which require whole building energy modelling. Couple of questions I hope to seek clarity:

Question 1:

...

Last reply: Marcus Sheffer, Mar 18, 2019, 3:46 pm

Semi-heated vs. conditioned

CS-v4 EAp2: Minimum Energy Performance
posted by Sarah Leenknegt on Mar 11, 2019, 10:18 am

Hi

I am again and again confused by the definitions in ASHRAE 90.1 of semi-heated and conditioned, particularly in connection to our typical projects. We have climate zone 4 or 5 and...

Last reply: Marcus Sheffer, Mar 18, 2019, 3:41 pm

Data Centre energy model baseline

NC-v4 EAp2: Minimum Energy Performance
posted by Ameet AA on Jan 22, 2019, 10:10 pm

Hello,

For a large data centre, I was thinking the baseline should be:

- HVAC: system 8

- CRAC fan power: Ls x 0.0021 + A as per ASHRAE table G3.1.2.9

Is this correct...

Last reply: Marcus Sheffer, Mar 18, 2019, 3:24 pm

Clarifications in automatic lighting controls- Occupancy sensor, Programmable dimming control

NC-v4 EAp2: Minimum Energy Performance
posted by SAMY Chamy on Mar 18, 2019, 10:51 am

Dear Concern:-

we have industrial manufacturing with office building we have applied LEED V4 NC certification 

we don't have any Lighting controls in our project but our...

Last reply: Marcus Sheffer, Mar 18, 2019, 3:12 pm

Mandatory. lighting controls for Proposed case

NC-v4 EAp2: Minimum Energy Performance
posted by SAMY Chamy on Mar 17, 2019, 12:53 pm

Dear concern

We are working in a huge industrial project without any lighting controls such as dimming control , Occupancy sensor and time relay

Our clarifications are

1....

Last reply: Marcus Sheffer, Mar 18, 2019, 3:09 pm

Green roof & green wall

CS-v4 SSc2: Site development - protect or restore habitat
posted by Yoyo Shek on Mar 14, 2019, 4:39 am

Hi All,

It is noted in the guidebook that "Projects that achieve a...

Last reply: Trista Little, Mar 18, 2019, 2:20 pm

SRI value for concrete

EBOM-v4 SSc3: Heat Island Reduction
posted by LEED Pro Consultant on Aug 26, 2014, 2:02 pm

Hi,
In LEED v2009 BD+C Sustainable Sites Credit 7.1 there is a table with solar reflectance index for standard paving materials, where the typical new gray concrete is 35.
Are these...

Last reply: Salman Jafri, Mar 18, 2019, 9:13 am

Building Area Method and System designation

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Mar 15, 2019, 3:51 pm

Hello everyone, I have a project with the following conditioned area categorization.

1st to 5h Floor are composed by:

Assembly areas: 59,232 sq ft (considering hotel service areas...

Building Area Method and System designation

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Mar 15, 2019, 1:32 pm

Hello everyone, I have a project with the following conditioned area categorization.

1st to 5h Floor are composed by:

Assembly areas: 59,232 sq ft (considering hotel service areas...

DES Cooling tower

EBOM-v4 WEc3: Cooling tower water use
posted by Elyse Dufrene on Sep 11, 2018, 7:44 am

Can...

Last reply: Elyse Dufrene, Mar 15, 2019, 11:21 am