Rating System

LEED BD+C: New Construction

Rating System Version

v2 - LEED 2.2

Inquiry

We have assumed a 50%-50% calculation for men\'s restroom for the following reasons: The use of the facility is retail therefore we anticipate more users in the restroom at one time when compared to a similar size facility for office use. The bulk of the users are transient with a temporary use of the restroom mainly for liquid waste versus solid waste. This increases the chances for the low flow water closet to be used more often for liquid waste. On Table 2.1 of the LEED-NC form indicated the use of "Dual-Flush" water closet to be at 50% (solids) for male and 50% for non-water urinal. Using this approach, we\'ll save 51.3% of water. This approach may not be realistic in terms of the daily usage of the plumbing fixtures as being 50/50, but this will be the worst case scenario. In reality, urinals will be used more often compare to toilets, more like 60%-70% more than the toilets. In the event when urinals are going to be used 100%, the dual-flush toilets will be used for liquid waste and still conserve water due to the low-flow of 0.8 gpf which is not shown as an alternate factor in the LEED form Table 2.1 Design Case.