i want some clarity on whether it is necessary to include Lift lobbies in VRP calculation to demonstrate compliance under IEQp1 and IEQc2? These lift lobbies are not regularly occupied. Hence is...

How do we calculate the Ds value for the condition where "The cooling load is low due to minimal envelope and internal loads but the number of occupants are at peak?"
We have the following...

I'm in a bit of a funk. I have a office space that populates two floors of a building. Each space is using one existing packaged DX indoor system per floor and will distribute heating via...

Hello,
I am new to LEED and need some assistance before issuing for preliminary combined review. I have completed all the required project and pre-requisites forms. However to what extent...

Hi,
I have completed an offline (active) IEQp1 form which shows that pre-requisites are being met. When I complete the same form online, the result is that the pre-requisites are not being...

Our project is primarily naturally ventilated and meets the requirements of Section 5.1 in non-core areas. We have added mechanical ventilation to the core areas which meet the requirements of...

May i know, what are the documents are providing clarity on designing the mixed mode ventilation strategies?

I have roof top units. Each serves several rooms. One system serves a single room with single thermostat. However the rest of them serve several rooms and instead of one thermostat to the RTU I...

I'm working in a small project with natural ventilation overall.
Considering these 3 facts:

1. LEED states to comply with sections 4-7 of ASHRAE 62.1-2007.
2. Natural...

Clause 5..9 in ASHRAE 62.1 requires...