High Performing Buildings - Spring 2009 - (Page 33) addressed employee concerns while still maintaining standards. Every complaint is logged in the computer and the system is checked for performance accuracy. Then, the temperature is measured in the space where the complaint was made. If the temperatures are within the setpoints, we advise the complainant to take appropriate action (add a sweater, etc.). If the temperature is not correct, we troubleshoot the system to determine the problem. W at E r U s E r E d U c t i o n Metric Annual Cost Implementation Cost Rebates Annual Savings Energy Savings Simple Payback Water Efficiency $ 11,376 $ 39,597 — $ 5,111 — 7.8 Years We conducted a thermal comfort survey of employees as required by ASHRAE Standard 55. An 80% satisfaction rating was required to obtain the LEED point for thermal comfort. Our proactive approach paid off; we achieved an 84% satisfaction rating. lighting survey We needed to understand what type of lighting fixtures we were using and quantify the amount of mercury In 2006 VSP Vision Care began reducing its energy use, water use and waste at its California headquarters. It reduced energy use by 14% including the data center and 27% without it, decreased water use to 42% below baseline and increased its waste stream diversion rate from 40% to 82%. Spring 2009 HIgH PERfoRMIng BuIldIngS 33
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