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Calculation of Rc in 4-pipe air-source heat pumps

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Ricardo Sá  on 

I have a project with an air-source heat pump that can either do heating, cooling or simultaneous heating and cooling (4 pipes).

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79 thumbs up
Fri Jan 19, 2018, 6:23 pm

Average Weekend Trips

NC-v4 LTc5:Access to quality transit
posted by  Brendan Isard  on 

We have a project which a bus line provides (15) trips on a Saturday and (11) trips on a Sunday, with an average of (13) trips between the (2) days.  The credit language states that an average

8
Fri Jan 19, 2018, 5:01 pm

Use of a WELL credit as ID?

NC-2009 IDc1:Innovation in Design
posted by  Devyn Olson Sawyer  on 

Our team is have been reviewing WELL and are considering completing a WELL credit in our LEED project.

1
Fri Jan 19, 2018, 5:57 pm

Eye Height above 42" for Standing Desks?

CI-2009 IEQc8.2:Daylight and Views—Views for Seated Spaces
posted by  Annalise Reichert  on 

I am working on a project that plans to install cubicles with partition heights approximately 5 feet high, likely blocking views from seated height of 42" aff.

3
Fri Jan 19, 2018, 12:42 pm

MBCx Duration

CI-v4 EAc1:Enhanced commissioning
posted by  David Edenburn  on 

The LEED text only discusses what must be done in the first year. Is there any specific term that the MBCx must be done? In other Cx schemes they require two years, life of building, etc.

1
Wed Jan 24, 2018, 8:32 pm

Recycling not provided for building

CI-v4 MRp1:Storage and collection of recyclables
posted by  Katherine Roth  on 

Requirements state, "Provide dedicated areas accessible to waste haulers and building occupants for the collection and storage of recyclable materials for the entire building." To meet the prerequi

1
Wed May 9, 2018, 8:40 pm

No roof deck?

NC-2009 MRc1.1:Building Reuse—Maintain Existing Walls, Floors and Roof
posted by  Michelle Bombeck  on 

On our project, there is no deck, just purlins, insulation and metal roof panels. We'll be reusing the roof and the purlins and likely replacing the insulation.

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Fundamental refrigerant management for a "District Energy System"

CI-v4 EAp3:Fundamental refrigerant management
posted by  Ralph Bicknese  on 

To be clear, does the upstream equipment in a District Energy System need to be considered for the prerequisite or only for the enhanced refrigerant management credit?  Based on the "project t

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Tracking Waste for Commercial Interiors Project in a Building Still Under Construction

CI-v4 MRp2:Construction and demolition waste management planning
posted by  Loretta Maine  on 

Our LEED project is a Commercial Interior that is in a new building that is still under construction.

1
Sat Jan 20, 2018, 7:27 pm

Utility Bills for REC Green Power Calculations...

NC-2009 EAc6:Green power
posted by  Rick Alfandre  on 

The link below, fromLEEDuser, indicates that if you can use actual utility bills x 50% x 2 yrs to calculate the required quantity of RECs as opposed to the EAc1 energy model design consumption x 35

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Thu Jan 18, 2018, 3:48 pm