Click on the image below to view a PDF version of the Thesis Proposal.
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The Proposal document contains a discussion of the current systems designed for The Duval County Unified Courthouse Facility and some design alternatives that are considered for further investigation. The proposed alternatives include: Building Envelope Thermal Load Reduction, Converstion to a Hydronic Thermal Comfort System with DOAS Ventilation, Implementation of a Facility Chiller Plant, and a Thermal Storage Addition to the Proposed Chiller Plant Option. |
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A Building Envelope Thermal Load Reduction analysis will be conducted in order to determine if the thermal loads on the building through the building envelope can be reduced. This will include the use of more efficient facade materials and shading devices for the large amount of glazing on the building. |
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A Conversion to a Hydronic Thermal Comfort System with DOAS Ventilation will be analyzed as a replacement to the VAV system. Zone comfort control will be done with the use of chilled beams or a similar technology and a DOAS system will be used to provide the minimum amounts of outside air to the spaces |
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Implementation of a Facility Chiller Plant will be analyzed and a feasibility study conducted. This system will replace the need for purchased chilled water. The feasibility of this plant addition will depend on how much the loads are reduced by the previous two research topics. |
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A Thermal Storage Addition to the proposed chiller plant option is being considered to further reduce the need for a large plant. This will be evaluated based on peak shaving and cost savings from the systems. Ice storage and chilled water storage will be compared based on space requirements, initial cost, and efficiencies. |
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The two breadths proposed for analysis are Electrical and Construction Management topics. The electrical breadth consists of the installation of a photovoltaic system to generate electricity for the facility. The construction management topic consists of a study of the reduction of floor-to-floor height from the converstion to a DOAS and hydronic system. This analysis will include material and construction time cost savings. |
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The MAE Course Related Study includes information from AE 557, Centralized Cooling Production and Distribution Systems. This course will aid in the design of the chiller plant, pumping arrangement, and possible thermal energy storage addition. |
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Revised Proposal |
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Revisions to the proposal include:
- Type of shading device to be used described in more detail.
- Controls of the new shading devices explained in more detail.
- Elimination of Thermal Storage System as a depth topic due to specific constraints explained in the proposal.
- Addition of a schedule analysis in the Construction Management breadth to further reduce construction costs by also decreasing construction time from the floor-to-floor height reduction.
- Description of additional electrical equipment required for the proposed Electrical Breadth of a Photovoltaic System and proposed the idea of using the generated electricity to power the new motorized shading system.
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