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ASHRAE 90.1.2010 Mandatory & Prescriptive Requirements vs Energy Model

CI-v4 EAc2: Optimize Energy Performance
posted by Nikhil Kumar on Oct 9, 2019, 9:57 am

Hi to all,

I am doing energy model for one of our LEED CI Project under v4 rating system. 

The following contents are copied from reference guide,

Option 1. Tenant-level...

Last reply: Marcus Sheffer, Oct 11, 2019, 10:17 pm

Plug loads Process Loads savings vs baseline

CI-v4 EAc2: Optimize Energy Performance
posted by Xavier Valladares on Oct 3, 2019, 12:43 pm

Hi All,

Is it possible and if so, how would you justify savings in plug and process loads for an interior fit out energy model vs baseline? Can you claim a percentage reduction if

...

Last reply: Marcus Sheffer, Oct 7, 2019, 4:43 pm

ASHRAE Std62 Max Vent (Z) Ratio Allowed- Trace 700

CI-v4 EAc2: Optimize Energy Performance
posted by Ciaran McCabe on Sep 9, 2019, 7:44 am

When building an energy model using Trace 700, is it permitted to use the "ASHRAE Std62 Max Vent (Z) Ratio Allowed" option available in Create Systems - Selection - Advanced menu so that...

Last reply: Tyler Thumma, Sep 12, 2019, 7:32 pm

Baseline Exhaust Energy Heat Recovery

CI-v4 EAc2: Optimize Energy Performance
posted by Ciaran McCabe on Sep 5, 2019, 12:30 pm

In ASHRAE 90.1 Table 6.5.6.1 - Exhaust Energy Recovery Requirement where they mention % Outdoor Air at Full Design Airflow Rate are they referring to the "minimum outdoor air" value ? The outdoor...

Last reply: Tyler Thumma, Sep 12, 2019, 7:27 pm

Baseline Economisers

CI-v4 EAc2: Optimize Energy Performance
posted by Ciaran McCabe on Sep 5, 2019, 8:34 am

Can ASHRAE 90.1 - 2010 Table 6.5.1B be applied to a LEED PRM models. For example we have an IT / computer server room where the load is less than 40kW - therefore am I correct in saying that an...

Last reply: Marcus Sheffer, Sep 5, 2019, 12:41 pm

Pumps in LEED Energy Models

CI-v4 EAc2: Optimize Energy Performance
posted by Ciaran McCabe on Aug 13, 2019, 1:48 pm

Hi, Is there a list of the pumps that's should be included in the Proposed Ashrae 90.1 LEED energy model. For example should cold or hot water pressurisation pumps be included? These are not...

Last reply: Marcus Sheffer, Aug 13, 2019, 8:08 pm

LEED v4 CI EAb Opt. Energy Perf.: Option 2: AEDG Maximum Project Size requirements

CI-v4 EAc2: Optimize Energy Performance
posted by Kristen Callori on Aug 9, 2019, 3:03 pm

Our project is an existing 300,000 sf Office building. Our client is both the new owner and will be the sole tenant. No changes will be made to the Mechanical other than the distribution (New...

Last reply: Marcus Sheffer, Aug 9, 2019, 4:53 pm

2016 T24 energy code- v4_Minimum Energy Performance Calculator_v05- how much of this needs to be completed

CI-v4 EAc2: Optimize Energy Performance
posted by Kevin Gilleran on May 20, 2019, 8:44 pm

Hi,

I am modeling a tenant improvement with an existing shell, new lighting and HVAC. The report is showing 16.5% savings with no renewables and 31% with renewables. I have just filled out...

Building Envelope: does this requirement apply only for new envelope, or for existing also?

CI-v4 EAc2: Optimize Energy Performance
posted by Micaela Smulevich on May 2, 2019, 1:51 pm

We are working on a CI v4 project, that is three stories high. Client is looking into replacing some of the exterior windows. Not all windows would be in the scope of work. Our team needs an...

Last reply: Marcus Sheffer, May 2, 2019, 6:59 pm

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