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Thermal zones split and AHU serving them

CS-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Aug 17, 2018, 6:04 am

Greetings,

The project we are modeling is an office building Core and Shell type with a Г shape. It consists of large office zones, as they will be later subdivided to the future tenants...

Last reply: Marcus Sheffer, Aug 17, 2018, 10:04 am

Fan control

CS-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Aug 14, 2018, 2:06 pm

I'm working on a project where the building owner is going to provide several Fan&Coil units, the fan control of these units has 4 different presets of velocity being: super high, high,...

Last reply: Marcus Sheffer, Aug 15, 2018, 11:01 am

LEED Campus: exterior lighting

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 10, 2018, 11:48 am

The building I am modeling is part of a campus. The LEED boundaries of the single buildings are coincident with the buildings while the exterior spaces are inside the LEED Campus boundary. How...

Last reply: Marcus Sheffer, Aug 10, 2018, 12:05 pm

exterior lighting: roof

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 10, 2018, 3:35 am

Hello, is exterior lighting on a roof (terrace) regulated by ASHRAE 90.1-2007?  Or shall it be modelled in the same way (same power and same schedules) in the proposed and in the baseline model...

Last reply: Marcus Sheffer, Aug 10, 2018, 12:00 pm

Energy modeling ACP

CS-2009 EAp2: Minimum Energy Performance
posted by Gabriela Mena on Jul 12, 2018, 11:37 am

Hi, 

We have a CS project- Office building of 16 levels. To achieve  minimum energy performance and optimize energy performance we are applying the ACP. The HVAC cooling system consist in...

Last reply: Marcus Sheffer, Jul 12, 2018, 11:57 am

Polyvalent Chiller Efficiency

CS-2009 EAp2: Minimum Energy Performance
posted by Francisca Herrera on Mar 22, 2018, 3:34 pm

Hi, I hope you can help me with my query.

In a project in process of certification LEED v2009, we are evaluating the efficiency of a polyvalent chiller.

Which table of the ASHRAE 90...

Last reply: Marcus Sheffer, Mar 22, 2018, 4:17 pm

Elevators with regenerative braking- EAp2 form

CS-2009 EAp2: Minimum Energy Performance
posted by Pamela Svetllana Santos Souza on Jun 14, 2017, 12:45 pm

Hello,

We are modelling for LEED C&S 2009. The project has 26 floor type of mixed-use offices. My question is about the Minimum Energy Perfomance credit form (EAp2). We're going to use...

Last reply: Marcus Sheffer, Mar 21, 2018, 2:44 pm

Lighting Requirements for Hotel in Core and Shell

CS-2009 EAp2: Minimum Energy Performance
posted by Jorge López de Obeso on Sep 7, 2017, 6:15 pm

Hi everyone,

We are currently working with a mixed-use building which has offices, commerce and a hotel.

Our inquiry is regarding the hotel's section lighting project. Following...

Last reply: Jorge López de Obeso, Mar 12, 2018, 10:57 am

Baseline Ventilation Rate for Proposed design with DCV (not required under 6.4.3.9)

CS-2009 EAp2: Minimum Energy Performance
posted by Iqbal K. on Jan 22, 2018, 12:19 am

Dear Marcus,

I wish to ask you regarding the Baseline Ventilation rate.

There is no space within this project with spaces >500 ft2 with people...

Last reply: Iqbal K., Jan 22, 2018, 10:47 pm

Modelling Chilled water pump Power for the Baseline

CS-2009 EAp2: Minimum Energy Performance
posted by Indochine Engineering VN on Nov 9, 2017, 10:30 am

Hi LEED experts,

I just received LEED reviewer comment. They said "It appears that each Baseline pump has been modeled with a power of 22 W/gpm. ASHRAE Interpretation ASHRAE/IES IC 90.1-...

Last reply: Jorge Torres-Coto, Dec 2, 2017, 11:28 pm