Umatilla Health Clinic - LEED® Silver Certified
The $3.6 million project began in May 2007 and was completed one year later. The new facility enables the Lake County Health Department
to offer clinical services to the surrounding community, including family health, maternity, immunizations and specialty clinics. The project
included a complete overhaul of the existing 4,600-square-foot structure and adding 11,000 square feet of space. Added features to the
health facility include exam rooms, nursing workstations, storage rooms and a laboratory. A few of the green-building initiatives implemented
at the health clinic included:
• Increased insulation
• Solar panels
• Fluorescent lights with motion sensors that deactivate when rooms are unoccupied
• Low-flow fixtures coupled with sensors and automatic controls
• Native Florida landscaping
• A computerized heating and cooling system with an advanced filtration unit
• A reflective roof to decrease heat-island effects
The Umatilla Health Clinic has solar hot water panels which generate up to 95% of the building’s domestic hot water demand year round without the need for electric heating. The HVAC system will have an Energy Recovery Ventilator (ERV) that will reduce the building’s overall tonnage by 10% during peak months. |
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Hernando County Public Schools
"EEE" High School
This newest addition school is being designed to
meet LEED® Silver certification and includes three
academic centers, administration, media, athletic,
dining and performing arts buildings surrounding a central landscaped courtyard.
The campus will utilize a chilled water central energy plant (CEP) design. The system will utilize high efficiency air-cooled screw compressor chillers. The HVAC load calculations indicate, for the “EEE” HS
and the new K-8 campuses, that three 400-ton screw
compressor chillers along with 48 Calmac TES tanks will serve these campuses.
Matern Professional Engineering is providing all mechanical, electrical, fire protection, plumbing
and technology systems design services, including HVAC systems design for this new 278,000SF high school with 2,064 student stations. |
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Seminole County Public Schools
Elementary School "K"
Matern Professional Engineering, Inc. (MPE) provided full MEP/FP engineering services for this elementary school which included the mechanical design of a Thermal Energy Storage Central Energy Plant (TES) that produces 100% of the day’s cooling requirements during an off-peak energy usage schedule. The system runs the ice tanks from Noon until 9:00 PM, every day, with no supplemental cooling from the air-cooled chillers. This central energy plant was designed for a future transportation center facility on the same site with expansion capabilities to accommodate the addition of a future middle school and a future high school on a site over a mile away. MPE provided Florida Power & Light (FP&L) and the Owner with a feasibility study, comparing the cooling load profiles and Life Cycle Costs (including annual electricity, other O&M and capital costs) of a conventional chilled water system verses a TES system. Operation of the TES system’s feasibility study included modeling full storage, partial storage and demand limiting cooling strategies. The TES system’s chiller sizes (tonnage), storage size (ton-hours) and system schematics were studied for optimization. The submittal documents in the report included design loads, original input data files from the load program, schematic diagrams showing fluid flows, pipes, control valves, heat exchangers and an hourly design of day operating sequences. The hourly cooling load profiles for the various cooling options were developed with an industry hourly analysis program provided by the US Department of Energy and Trane Corporation.
Advanced Commissioning Services & Solutions, Inc. (ACSSI) is currently providing a comprehensive commissioning process for the evaluation and performance of the central energy plant and thermal energy storage (TES) system for this elementary school. ACCSI is also providing the full fundamental commissioning scope required by the LEED for Schools EA pre-requisite #1 which will confirm MPE’s design of the off-peak cooling system. The team will coordinate with MPE and FP&L to review the final TES system before the commissioning of the TES installation occurs. ACCSI will also confirm with MPE that the existing design of an alarm system, within the current Building Control System (BCS), notifies the client of any condition in which subsequent on-peak or non-optimized operation occurs. Other parameters which are being monitored include refrigerant pressure, chilled water temperatures and other critical system operating parameters. ACCSI will also confirm MPE’s Energy Model as it pertains to the LEED for Schools EA prerequisite #1 and verify that it meets the intent of FP&L’s rebate structure. This fundamental commissioning will involve full commissioning of the water side, air side and controls throughout the project. ACSSI and MPE are working hand in hand to commission the central energy plant and provide the final commissioning report to FP&L for verification of the rebate. The commissioning process is expected to be completed in summer 2010.
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Seminole Community College Building "H" CEP Expansion
This project consists of an expansion of the central energy plant located at the “H” building on the Sanford/Lake Mary campus. The expansion includes 24 new Calmac Ice Thermal Energy Storage tanks, heat exchanger and piping. The scope encompasses the headers and branch piping to the tanks and the energy “Ice Pick” calculations for the ton shifting capability of the plant. It also includes
design of new 12” main chilled water supply and return lines within the plant, new 12” underground
chilled water supply & return line infrastructure to expand the current infrastructure.
The upgrade of the plant is being done to support the new Partnership Building, as well as additional growth on the campus. This upgrade will also qualify Seminole State College for $2,500 towards the feasibility study, $464 per ton removed off of the peak cooling load and $16 - 20 per ton for the commissioning from Florida Power& Light’s Energy Rebate program. The maximum peak Ton shift is 775 Tons which will result in an estimated $350,000+ rebate from FP&L.
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