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demand control ventilation

CS-2009 EAp2:Minimum Energy Performance
posted by  tiantian zhou  on 

Dear sir, according to G3.1.2.5 of 90.1, Minimum outdoor air ventilation rates shall be the same for the proposed and baseline building designs except that When modeling demand-control ventilation

1
Wed Dec 4, 2013, 2:20 pm

Manufacturing / Laboratory environment

CI-2009 IEQc5:Indoor Chemical and Pollutant Source Control
posted by  Gina Dederer  on 

We are working on an pharmaceutical production building that requires all building occupants to enter a changing / locker area right after the main entry to the building.

1
Thu Dec 5, 2013, 7:22 pm

No new parking

NC-2009 SSc4.4:Alternative Transportation—Parking Capacity
posted by  Tom Warner  on 

Our project site currently has three existing buildings and over 300 parking stalls. All of these buildings and parking areas will be demolished under separate contract.

1
Wed Dec 4, 2013, 5:31 pm

Minimum Performance Measuring Time

EBOM-2009 EAc3.2:Performance Measurement—System-Level Metering
posted by  Marina Andrade  on 

Greetings, We have a doubt about the credit EA C3.2 from LEED EB O&M. What is the minimum time to measure performance of the major’s building systems by the breakdown of energy?

1
Mon Feb 17, 2014, 7:39 pm

Baseline HVAC system for a naturally ventilated Building

NC-2009 EAc1:Optimize Energy Performance
posted by  Jayanthi Raju Vadivelu  on 

In one of our projects, we've 100% naturally ventilated school building, which will have ceiling fans for comfort, a total area of approx 80,000 sqft, Ground + 2 floors.

1
Mon Dec 9, 2013, 8:05 pm

Pressure Drop Adjustment

CS-2009 EAp2:Minimum Energy Performance
posted by  Jan Hesse  on 

We are working on a Project with a central 100%OA AHU. We calculated the pressure drop adjustment for the baseline Systems 7 following ASHRAE 90.1-2007 table G3.1.2.9.

1
Fri Dec 6, 2013, 5:04 pm

Primary Secondary Pumping Power

CS-2009 EAp2:Minimum Energy Performance
posted by  Matt Humphreys  on 

When modeling a project that has a baseline building requiring system #8, the system cooling tonnage is > 600 tons therefore G3.1.3.10.

1
Fri Dec 6, 2013, 6:56 pm

Calculation of the required area

NC-2009 MRp1:Storage and Collection of Recyclables
posted by  Magda Aghababyan  on 

Dear all, We are doing a project with an IT office complex. The largest possible waste stream is E-Waste, food and paper. We do not see much potential for glass and metal waste streams.

1
Fri Dec 20, 2013, 8:41 pm

MPR2 Defining 'one building'

NC-2009 MPR2:Must be a complete, permanent building or space
posted by  Mark Frey  on 

The building to be certified is an office, hotel and retail complex and is composed of two seperate buildings. There are no structural connections between the buildings above ground.

1
Tue Dec 10, 2013, 1:28 pm

multi-use residential building, usage groups?

NC-2009 WEp1:Water Use Reduction—20% Reduction
posted by  Courtney Royal  on 

The project is a residential building, but also has a small recreation space in cellar and a small retail space and gym on ground floor, how should the usage groups be defined?

1
Fri Dec 20, 2013, 9:46 pm