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Building Area vs Space-by-Space method

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Brian Coldwell on Mar 26, 2014, 4:23 pm

We are working on a LEED-CI project in a large commercial office building, where the overall 'building area' method would clearly be office at 1 W/sf. The tenant space we're doing is very small...

Last reply: Michelle Rosenberger, Mar 27, 2014, 6:15 pm

De-lamping

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Sunayana Jain on Mar 25, 2014, 1:59 pm

Can de-lamping be acceptable to meet the Lighting Power Density Requirements?

Last reply: Bill Swanson, Mar 25, 2014, 2:51 pm

Are Underground Parking Areas included in CI LPD calculations

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Amit Ahiel on Feb 3, 2014, 8:30 am

We have a project where the Tenant is taking over part of the Core and Shell building's underground parking and have cordoned off the area with fences and gates etc. We have included the area in...

Last reply: Dane Sanders, Feb 3, 2014, 10:22 am

T8 LED light specifications

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Mahbuba Khan AIA, LEED AP BD+C on Nov 5, 2013, 1:00 pm

To achieve energy efficiency a project in Bangladesh is planning on buying T8 LED lights with following specifications. Please let me know if the bulbs also need to be CE & RoHS certified?...

Last reply: Mahbuba Khan AIA, LEED AP BD+C, Nov 5, 2013, 5:34 pm

LPD for data center space type

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Keith Amann on Mar 26, 2013, 12:25 pm

I received comments back from a reviewer that data center/server rooms should be classified as "active storage" with 0.8 W/sf allowance. We had classified this space as electrical/mechanical with...

Last reply: Dane Sanders, Nov 4, 2013, 6:15 pm

Accounting for common/shared areas

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Robert Calloway on Jun 25, 2013, 11:48 am

This question is in regards in to LEED CI 2009 - Credits EAc1.1 & EAc1.2 for lighting power...

Last reply: Dane Sanders, Nov 4, 2013, 3:42 pm

LIVING GREEN WALL GROW LIGHTS EA CRDIT1.1

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Shane Tohara on Aug 29, 2013, 5:31 pm

We are installing a living green wall in the lobby of our 2009 CI project. We need to install grow lights for proper plant health. We will also install ambient lighting to showcase the green...

Last reply: Shane Tohara, Aug 30, 2013, 10:45 am

Title 24 vs. ASHRAE as baseline

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Michelle Rosenberger on Dec 18, 2012, 6:04 pm

I'm not sure where to post this EApr2 form but Lighting Power Density question.

I see there has been some discussion about the issue of Title 24 vs. ASHRAE and using a more stringent local...

Last reply: Michelle Rosenberger, Dec 19, 2012, 11:49 am

ASHRAE Standard 90.1 Table G3.2 and occupancy sensors

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Alex AC on Nov 19, 2012, 2:07 pm

Hi everybody,

My team and I are working on a CI project (office floor) where the tenant has installed occupancy sensors for up to 75% of connected lighting load. In that sense, I would...

Last reply: Bill Swanson, Nov 20, 2012, 10:20 am

gross lighted floor area and no changes to ligting installation

CI-2009 EAc1.1: Optimize energy performance - lighting power
posted by Adam Targowski on Oct 12, 2012, 8:34 am

1. I would like to confirm one thing regarding Lighting Power Density Reduction calculations. What is Gross Lighted Floor area that should be used in Building Area Method calculations? In case of...

Last reply: Bill Swanson, Nov 13, 2012, 8:25 am