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PROJECT NAME:
Forensic Hospital
PROJECT LOCATION:
Warm Springs, MT. USA
PROJECT CATEGORY
Institutional
SERVICE OFFERED  M/E
Design and Construction
PROJECT OWNER
State of Montana
PROJECT OWNER'S ADDRESS
Montana State Hospital
Warm Springs, MT
CLIENT
Mattson, Prugh & Lenon
Architechs
CLIENT'S ADDRESS
27 E. Main,
Bozeman, MT. USA
DRAWINGS DATE
January, 1986
CONSTRUCTION PERIOD

 

The project consists of a new 100 patient forensic building to house maximum and medium security patients.  It includes group rooms, therapy rooms, gymnasium and exercise facilties, in addition to dayroom, eating, and sleeping facilities.  The structure has two stories with a total of 56,240 sq. ft.

The building is served with an all-air heating, ventilating, and air conditioning system with cooling for all areas of the building. The main fan system is a built-up plenum, variable air volume system with medium velocity air ducts, terminal variable air volume boxes, and a terminal hot water heating coils designed to reduce air volume and shut-off unoccupied areas of the building at night.  The patient rooms, patient room toilets, admission area, staff lounge, dayrooms, medication rooms, and nurses stations have continous conditioned air flow.

The fan system has automatic economy cooling damoers to provide outside air cooling to the building during mild weather.  During warm weather, the building is cooled with 100% outdoor air passing through a two-stage evaporative cooling process using "dry" pre-cooling coils and "wet" evaporative air washers.  In this manner, the outside air is cooled to 70 F by the pre-cooling coils, then further, to 53 F by evaporative cooling.  Resulting room tempuratures and relative humidity are simular to refridgeration cooling but without the added operating costs.  A closed circut indoor cooling tower provides cooling glycol to the pre-cooling coils.   The pre-cooling coils revert to heating coils whenever the smoke alarm condition causes the air system to supply 100% outdoor air in the wintertime.  All areas of the building are protected with an auto matic fire sprinkler system.  patient rooms, patient room corridors, patient toilet rooms, and gymnasium have stainless steel security-type sprinkler heads.

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