Page 278 - The Engineering Guide to LEED-New Construction Sustainable Construction for Engineers

LEED 2009 limits sight lines through at most two interior glazing

The LEED 2.2 EP point is not specified. The LEED 2009 EP point is as noted. ‡

surfaces.

• • •

1 2 ∗ ASHRAE 62.1-2007 addresses additional ETS items and relative humidity issues with respect to mechanical cooling devices. It also expands the calculations to include variations in the mix of outdoor air and recirculated air in the supplies. Also, in LEED 2009, the ASHRAE 62.1-2007 addenda may be used by project teams † Based on the Califo

1 2 4. “Have access to views with a view factor of three or greater.” (Per the Heschong Mahone Group Study, Windows & Offices p. 47)

1 15 ‡ LEED 2009 EP point is based on meeting at a minimum two of the following for 90% or more of regularly occupied spaces: 2. “Include views of at least two of the following: vegetation, human activity, objects >70 feet from the exterior of the glazing.” 3. “Have access to unobstructed views located within the distance of three tim

1 15 Total 1. “Have multiple lines of sight to vision glazing in different directions at least 90° apart.”

EQc8.2: Daylight and Views, Views for 90% of Spaces but only if consistently used throughout all the LEED credits. Environmental Chambers, including 2004 Addenda.

IEQc8.2: Daylight and Views, Views TABLE 6.0.0

241