The Reference Guide language related to SCMs in concrete gives project teams the choice whether to include SCMs as a percentage of the entire concrete or separate them out (pg.

Greetings, We have zones in our project which are addressed to system 9 (heating only).

Greetings, The question is related to modeling rooms/zones which are to be assigned to System 9. In the Proposed, these rooms/zones are having supply, return and sometime room exhaust ventilation.

Has anyone tried using the area of a green wall to achieve the 25% vegetated space portion of this open space requirement?

Greetings, According to ASHRAE 90.1-2007, 6.5.3.1.1,exception b, individual exhaust fans with motor nameplate kW of 0.75 kW or less could be excluded when estimating Fan system power limitation. Th

Greetings, Regarding Misc.

Greetings, In the project we are modeling, the following issues are still not quite clear for us and we'd appreciate any advice on the matter. Baseline system is 8.

We are at conceptual design stage for a new school building.

Greetings, In the project we are modeling, the Proposed design has applied a chiller’s condenser heat recovery without this to be required by the prescriptive requirement (6.5.6.2).

Greetings, Just a small clarification about the heating plant of System 8. It is written that heating is Electric resistance.