Rating System

LEED BD+C: New Construction

Rating System Version

v2 - LEED 2.2

Inquiry

Our project consists of adding a new 5,000 square foot education building addition to an existing 17,500 square foot education building. The original building was not submitted for LEED certification but we are submitting for LEED certification on the new addition. The original project was constructed with a complete four pipe hydronic system including chillers, pumps, and boilers that have the capacity to handle the new addition with no added plant capacity. The scope of this project is to provide new air handling equipment and extend the existing four pipe hydronic distribution system to the new air handling equipment. Our approach to satisfying the newly established mandatory 14% energy efficiency improvement is outlined as follows: A base case model was established by using the criteria set by ASHRAE Standard 90.1-2004, Energy Standard for Buildings except Low Rise Residential Buildings. The minimum requirements established for this model are as follows: -Walls: Mass Assembly with U-value = 0.58 Btu/hr.ft2-