LEED Certified Building -- City of Jacksonville, Godbold City Hall Annex

Overview

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A century-old furniture store that stood vacant for nearly 30 years has been transformed into the modern, sustainable City of Jacksonville Jake M. Godbold City Hall Annex. TLC provided LEED® administration and enhanced commissioning services for the renovation project, which was awarded LEED Gold certification by the U.S. Green Building Council. The six-story building houses the city’s Environmental and Compliance Department Director’s Office, Environmental Quality Division, Municipal Code and Compliance Division, and the General Employee Pension Office. In commissioning the building’s HVAC, electrical and water systems, TLC engineers confirmed that the systems were designed and constructed according to the owner’s vision and that facilities staff was instructed how to operate and maintain the systems. Our role also included reviewing the owner’s project requirements and the team’s basis of design; incorporating the commissioning requirements into the construction documents; developing a commissioning plan; and completing a summary commissioning report.

The building is designed to be 9% more energy efficient and use 43% less water than traditional buildings. Other sustainable
design and construction features include:

• 96% of the existing wall, floor and roof elements were reused;

• The building materials featured 28% recycled content;

• Carbon dioxide concentrations are monitored in all densely occupied spaces;

• Direct airflow measurement devices for each mechanical ventilation system serve the non-densely occupied spaces;

• MERV 13 filtration was installed in HVAC systems prior to occupancy;

• 91% of workstations have individual task lighting;

• HVAC systems and building envelope were designed to meet the requirements of ASHRAE 55-2004;

• A thermal comfort survey was developed and distributed to building occupants within the first nine months of occupancy;

• Light fixtures use reduced-mercury bulbs.

The City Hall Annex, which was dedicated in June 2009, received the Historic Preservation
Award by the City of Jacksonville and the Jacksonville Historic Preservation Commission.

Project Size
60,000 sf

All above information provided by TLC Engineering.

Jacksonville
updated 04/2011 by Derrick Robinson