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Milton High School HVAC Renovation

Milton, Florida

Milton High School Aerial
Milton High School

Click to enlarge, see below for more information

Construction Cost: $1.6 million

Size: 120,000 SF

Mechanical Principal: Gene Schmidt

Mechanical/Plumbing Engineer: William Jones

Electrical Principal: Todd Nicholson

Structural Principal: Stuart Smith

Registered Communications Control Designer: Chad Currey

Services Provided: Mechanical, Electrical, Plumbing, Structural

Schmidt Consulting Group, Inc. provided design services for the HVAC renovation at Milton High School.  The project scope included performing a load analysis for the entire facility, including future additions to the existing plant infrastructure, and replacement of existing chiller and boiler systems with new, high efficiency equipment to serve the current chilled water and hot water systems as well as future systems. SCG also provided the CxA commissioning services for the mechanical systems, ensuring that the equipment was functioning properly and maximizing its efficiency.   



HVAC System

Demolition of the existing control plant systems including the exterior hot water storage tank, boilers, hot water pumps, chillers, pumps, piping and accessories. Areas impacted included the Social Studies Wing, English Wing, Media Center, Dining and Administrative areas.  Future taps and piping were provided for the band and chorus areas, agriculture education building, business classroom building, math classroom building and the ESE addition suite.


The new plant includes high efficiency chillers, condensing boilers, pumps and a new cooling tower. The cooling tower, located above the roof, has two cells and three condenser water pumps with N+1 redundancy. There are two 300 ton chillers, one lead and one lag, and three variable flow chilled water pumps with N+1 redundancy. The hot water system has two condensing boilers, one lead and one lag, and three parallel secondary hot water pumps and two primary dedicated constant volume pumps.



The electrical design included all connections to the new HVAC system.  A new distribution section was added on the main switchboard. Emergency shut-off switches for the gas system were provided.  Existing air terminal units were disconnected and new wiring and conduit provided and reconnected. 


The structural design included all structural support necessary to support the new HVAC system. The design included foundations, structural steel framing and braces, cooling tower support, wall openings and roof mechanical openings.

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