[Bldg-sim] 90.1 - Minimum LPD for dwelling units

Athalye, Rahul A via Bldg-sim bldg-sim at lists.onebuilding.org
Fri Sep 16 10:14:51 PDT 2016


1)      See 9.1.1 Scope, Exception 2 in 90.1-2013. "Lighting in dwelling units."

2)      Table 9.5.1 specifies whole building LPDs. For multifamily, this would mean common spaces, such as corridors, lobby, laundry room, office, and so on.

3)      See the section on Lighting in table G3.1 in 90.1-2013. It says that in multifamily dwelling units, lighting provided via receptacles must be the same in the baseline and proposed models. The wired lighting is a gray area, I guess, but assuming the same LPD in the proposed and baseline is probably the correct approach.

Rahul


From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of via Bldg-sim
Sent: Friday, September 16, 2016 9:40 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] 90.1 - Minimum LPD for dwelling units

Hello,

I'm a little confuse since I have read that article about 90.1 2013 addendum. (http://www.buildings.com/news/industry-news/articleid/20142/title/multifamily-may-be-responsible-for-tenant-lighting-.aspx). It says:

More importantly, the standard would compel owners to address lighting within dwelling units, which have historically fallen outside of 90.1's scope.

Three questions about this statement :


1)      For a compliance path (like comCheck), which article from part 9 of the 90.1 standard (2010 or 2013) specifically exclude dwelling unit to have minimum LPD?



2)      Since Table 9.5.1 have a minimum LPD requirement for "multifamily" (that obviously include dwelling units), why Table 9.6.1 have no building type specific space type named "dwelling" or a common space type for "bedroom" (for those who want to split the dwelling in different rooms)?



3)      In a LEED project (annex G) it's common to combined dwelling units with the same orientation in a single thermal block, which LPD value do you enter in your model for these thermal block ? (I assume LPD are same for your proposed and your baseline simulation)

Thanks

____________________________________________________________________
Julien Dutel, ing., CEM, CMVP.
Ministère des Ressources naturelles
Téléphone : 418 627-6379, poste 8060
mern.gouv.qc.ca




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