See all forum discussions about CS-2009 EAp2
 Subscribe to new posts about CS-2009 EAp2 Post a new question aboutCS-2009 EAp2
See LEEDuser’s guidance on CS-2009 EAp2»
FAQs about EAp2 :

The project is built on a site with existing exterior lighting installed. How should this be accounted for?

Can mezzanines open to floors below be excluded from the energy model?

How do I provide a zip code for an international location?

For a project outside the U.S., how do I determine the climate zone?

For a project outside the U.S., how do I determine the Target Finder score?

Do hotel rooms need automatic light shut-off control?

How commonly are the 90.1 mandatory compliance forms submitted as part of EAp2/EAc1?

The Section 9 space-by-space method does not include residential space types. What should I use?

Can the Passive House Planning Package (PHPP) be used to energy model for LEED?

Is it acceptable to model a split-type AC with inverter technology compressor as a heat pump, like modeling VRF?

Can the Trace 700 'LEED Energy Performance Summary Report' by uploaded to LEED Online in lieu of the Section 1.4 tables spreadsheet?

A portion of our building envelope is historic. Can we exclude it from our model?

Which baseline HVAC system do I use if my building has no heating or air conditioning?

For an existing building, do I need to rotate the model?

Our project has a diesel backup generator. Should we include it in our energy model?

Our project has a large process load—75%. Despite our efforts to make an efficient HVAC design, the cost savings are minimal. What can we do to earn this prerequisite and be eligible for LEED certification? Is there any flexibility in how we model the p

Can SHGC be higher in the proposed than in the baseline model?

Our process load is higher than 25%. Do we have to justify that?

Do I need to justify the electrical and fuel rates I am using in my model?

Our local code references ASHRAE 90.1-2010. Should I use that for my documentation, or 90.1-2007?

View answers »

Forum discussion

CS-2009 EAp2:Minimum Energy Performance

LEED CS building with very minimum landlord provision

Hi all, I have LEED CS with very minimum client provision without AC systems (only emergency lights, emergency fans and lifts). But the main tenant has been agreed from the building and the entire building is tenanted to this tenant only. My question is: 1. Should we model the energy modelling based on only client provision or we can include the tenant provision, since it is agreed from the beginning of this project and we have tenant energy systems data? Since landlord provision is very minimum. 2. Are we allowed to include tenant energy system data for LEED CS project? 3. Any official documents indicate the answer for my question 1 and 2? (eg. MPR, Reference guide etc)

0
Post a reply

You rely on LEEDuser. Can we rely on you?

LEEDuser is supported by our premium members, not by advertisers.

Go premium for $15.95  »

Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Fri, 12/11/2015 - 15:30

1. Yes you can model the tenant design and claim energy savings associated with it. 2. yes 3. Not sure I would have to go digging. Start with the Reference Guide.

Mon, 12/14/2015 - 01:11

Thanks Marcus for your opinions. I still have something in mind. 1. If we can exclude the tenant design, how we show the improvement from ASHRAE 90.1? Since the building energy consumption will be extremely very low due to minimum provision of energy related system from the developer. 2. I've noticed as well based on ID #2084, it seems like even we don't have HVAC and lighting design from tenant. We should model HVAC and lighting according to ASHRAE 90.1. Am I correct? 3. If we should model HVAC and lighting design, should we include some assumptions on the potential tenant’s future provision, eg. Chiller plant, air-distribution system, interior lightings, plug loads, etc? or we can follow certain guideline for the HVAC sizing?
Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Mon, 12/14/2015 - 14:37

1. CS projects must include all energy use in the core areas shared by tenants and due to the influence of the building shell. In most areas the building shell influences heating and cooling energy use so this is included and any envelop improvements can be used to show savings. If the CS scope is extremely minimal as it impacts energy savings then it does get much harder to meet the minimum energy savings. 2. Yes if there is no tenant design or provisions in the tenant lease agreements, then the tenant spaces are modeled identical to the baseline. 3. If you are modeling a design then you model that design. There should be no assumptions regarding HVAC or lighting and the HVAC should be modeled using the capacities in the design, not following some guideline.

Tue, 12/15/2015 - 07:07

Great. Thanks Marcus for your sharing. Appreciate that

Add new comment

To post a comment, you need to register for a LEEDuser Basic membership (free) or login to your existing profile.