[Bldg-sim] 90.1-2007 Exterior Lighting Allowance calculation

[AChapin at sriregistrar.com]

My view is that claim both allowances are technically not allowed, even in 
the case indicated by Nick. However, it is difficult for the reviewer to 
check for this in most cases (such as if there are both doors with and 
without canopies, it may not raise a flag that both allowances for doors 
and canopies are included).

Alex N. Chapin
Sustainability Program Engineer
SRI Green Building Certification, LLC
300 Northpointe Circle ? Suite 304
Seven Fields, PA 16046 ? USA

www.SRIRegistrar.com
achapin at SRIRegistrar.com
T: (724) 934-9000 x619
F: (724) 935-6825

Building Sustainability
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From:   Nick Caton <ncaton at smithboucher.com>
To:     "Jones, Christopher" <cjones at halsall.com>, 
"AChapin at sriregistrar.com" <AChapin at sriregistrar.com>, 
"bldg-sim at lists.onebuilding.org" <bldg-sim at lists.onebuilding.org>
Date:   07/18/2014 12:34 PM
Subject:        RE: 90.1-2007 Exterior Lighting Allowance calculation



Not to be contrarian, but I think there are cases where you can reasonably 
claim both allowances. 
 
If you have a large illuminated/illuminating canopy connecting to a 
building entrance, such as with a with many hotel drive-up lobbies, and 
that canopy?s lighting is illuminating (directly or indirectly) a 
substantial ground area separate from the main entry landing, then it 
would be appropriate to claim both allowances.  I would not claim canopy 
credit for smaller canopies at entrances which only pool light on the 
vertical entryway and/or the landing area.
 
This falls squarely into the logic and guidance that allowances may only 
be claimed for illuminated surfaces - you cannot claim façade lighting 
when it does not exist in the proposed design, for example.
 
If there is a hard rule disallowing this practice, I would submit I have 
yet to run into it with any reviews.
 
Regards,
 
~Nick

 
NICK CATON, P.E.
SENIOR ENGINEER
 
Smith & Boucher Engineers
25501 west valley parkway, suite 200
olathe, ks 66061
direct 913.344.0036
fax 913.345.0617
www.smithboucher.com 
 
From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf 
Of Jones, Christopher
Sent: Tuesday, July 15, 2014 3:12 PM
To: AChapin at sriregistrar.com; bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] 90.1-2007 Exterior Lighting Allowance calculation
 
Alex,
Thanks for the clarification!
 
Christopher Jones, P.Eng. 
Tel: 416.644.4226 ? Toll Free: 1.888.425.7255 x 527
 
From: AChapin at sriregistrar.com [mailto:AChapin at sriregistrar.com] 
Sent: Tuesday, July 15, 2014 4:06 PM
To: bldg-sim at lists.onebuilding.org
Cc: Jones, Christopher
Subject: 90.1-2007 Exterior Lighting Allowance calculation
 
Hi Christopher, 

You are only allowed to include the allowance of one or the other surface 
type (i.e. entrance or canopy/overhangs). You can pick the one that is the 
most beneficial, but you can't include both. 

Alex N. Chapin 
Sustainability Program Engineer 
SRI Green Building Certification, LLC 
300 Northpointe Circle ? Suite 304 
Seven Fields, PA 16046 ? USA 

www.SRIRegistrar.com 
achapin at SRIRegistrar.com 
T: (724) 934-9000 x619 
F: (724) 935-6825 

Building Sustainability 
This message and any included attachments are from SRI Quality System 
Registrar, and are intended only for the addressee. The information 
contained herein may include privileged or confidential information. 
Unauthorized review, forwarding, printing, copying, distributing or using 
such information is strictly prohibited and may be unlawful. If you have 
received this message in error, or have reason to believe that you are not 
authorized to receive it, please promptly delete it and notify the sender 
by e-mail with a copy to mail at sriregistrar.com.  Thank you. 
Date: Tue, 15 Jul 2014 12:40:11 +0000
From: "Jones, Christopher" <cjones at halsall.com>
To: "bldg-sim at lists.onebuilding.org" <bldg-sim at lists.onebuilding.org>
Subject: [Bldg-sim] 90.1-2007 Exterior Lighting Allowance calculation
Message-ID: <25F861E695EA99478F9790869A57C7D4DC804C at catormsx02>
Content-Type: text/plain; charset="us-ascii"

Table 9.4.5 includes allowance for Building Entrances and exits (W/linear 
feet) and Canopies and Overhangs (W/ft2).  If a door has a canopy do you 
include the allowance for both the W/linear feet and the W/ft2 of canopy?

Thanks for any insights!

Christopher Jones, P.Eng.
Halsall Associates
Tel: 416.644.4226 * Toll Free: 1.888.425.7255 x 527 *  www.halsall.com<
http://www.halsall.com/>
Vancouver * Calgary * Sudbury  * Burlington * Toronto * Ottawa
Best Workplaces in Canada, Seven Consecutive Years: 2007 - 2013
___________________________
A Parsons Brinckerhoff Company



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