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 :

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?

Can I claim exterior lighting savings for canopy lighting even though a baseline model cannot include shading elements?

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?

View answers »

Forum discussion

CS-2009 EAp2:Minimum Energy Performance

LPD for covered (open) mechanical room

Jorge Lopez de Obeso

Architect / Environmental adviser

eosis Consulting

LEEDuser Basic Member

20 thumbs up

Project location :

November 21, 2018

We're working on an energy modeling configuration and filling the Section 1.4 Table: The project includes a mechanical room on the roof floor which is not entirely unclosed, it has a steel deck roof, and two sides are covered with a metal fence (the other two are brick walls). We initially considered this space as a mechanical room (1.5 W/sf) However, if we considere it as open space for exterior lighting, which would be the best ASHRAE classification?

Post a reply

Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Fri, 11/23/2018 - 18:21

I do not see an exterior lighting category that fits this situation at all. Even though the "space" is unconditioned I think that a mechanical room is probably the best fit.

Add new comment

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