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Inova Fairfax Hospital South Patient Tower Building Statistics

Building Name: Inova Fairfax Hospital- South Patient Tower
Location: Falls Church, VA
Owner: Inova Fairfax Hospital
Size: 216,000 square feet
Project Cost: $76million
Height: 147.55 feet
Number of stories: 13 stories (12above grade and 1 below)
Function: Healthcare including private intensive care and medical/surgical rooms
Date of Construction: Started July 27, 2010-August 2012
Project Delivery Method: Design-Bid-Build
 

Project Team

Architect: Wilmot Sanz, Inc.
General Contractor/CM: Turner Construction
MEP: : RMF Engineering, Inc.
Civil Engineer: Dewberry & Davis LLC
Structural Engineer: Cagley & Associates
Electrical Contractor: Truland Service Corporation

Architecture

Inova Fairfax Hospital is one of the premier health care facilities in Washington, DC area, which is designed by Wilmot/Sanz Architects. It began building a new patient tower in July 2010, the first phase of five-year, $621 million construction project. The first phase is an 11 stories patient tower adjacent to the south of the existing hospital building. The tower will include 174 private patient rooms for both general and intensive care units, which will significantly alleviate overcrowding in the existing tower building. Five floors are dedicated to medical/surgery beds and three floors to ICU beds.

National Model Codes

 
International Building Code (IBC) 2006 &2006 supplement
Virginia Uniform Statewide Building Code-2006 edition
ICC International Mechanical code 2006
ICC International Plumbing code 2006
National Electrical Code 2005
International Energy Conservation code2000
NFPA National Fire Alarm Code 2007
 

Zoning

This structure was classified to be a hospital by "Fairfax County Zoning Ordinance" C-3

 

Historical

The structure of South Patient Tower shares the similarity with existing surrounding hospital and campus buildings.

 

 

Building Enclosure

Building Facade

The tower which is located on 3300 Gallows Road, Falls Church, VAwill stand at the entrance of the existing main hospital and the two structures will connect on all 11 levels. RMF emplys Building Information Modeling (BIM) software at Inova Fairfax Hospital. The facade of the building are mainly the combination of precast conc. panel with thin bricks, aluminum curtain wall for the first two levels and glasses for building windows
 

Roofing

The design of white roof can reduce the urban heat island effect and help to lower the air conditioning costs.The roof is also highly insulated to improve the building enclosure.

Sustainability Features

The building is designed and constructed to achieve a LEED Silver certification from USGBC. Many sustainability features are attributed to it such as the “Green” design includes low-flow plumbing, low or no-VOC buildings materials and furniture, living roof with water cisterns and rain gardens. The Inova Fairfax hospital south tower is a building with high performance. Its design of solar control for the south-east tower can reduce glare and solar heat gain in the summer. Solar panels using at the main entrance to the lobby capture free, clean energy from the sun to power the canopy light at night. Highly efficient mechanical equipment also reduces the costs.. Highly insulated walls and low emissivity windows will increase the R-Value from 10.4 to 22.4. The green roof will provide a view to nature for the patients and also reduce the air-conditioning costs, storm water and heat island effect .
Solar control for the south-east tower

Solar Panels at main entrance

Building Statistic Part 2

Construction

The Inova Fairfax Hospital South Patient Tower will be connected to the existing hospital building. The South Patient Tower includes 174 private intensive care and medical/surgical patient rooms for a total of 236,000 square feet, which will allow the hospital to meet future inpatient needs and provide flexibility in the event of a disaster. The cost of the projet is $76 million.
Since the existing building has really tight ceiling height, it is one of the biggest challenge for the project. Another concern for the project is the consideration the normal operation of existing building.

 

Structure

Cagley & Associates is the structural engineering company for South Patient Tower. The main structure system for the building is reinforced concrete with shear walls. 5,000PSI concrete is used for ground to fourth floor. 4,000PSI concrete is used from six to twelfth floor. The typical floors are using 9 1/2” two-way flat slab with bottom and top steel reinforcement. Since the fifth floor is the main mechanical system floor, the thickness is added from 9 1/2” to 10 1/2”.

Mechanical

The main mechanical system room is located on the fifth floor of the building. The system includes totally six air handling unites and piping system, which provide oxygen, medical air and medical vacuum. System type distribution The fire suppression system in place is a wet sprinkler pipe system. In new sprinkler zone assemblies, water flow switches and valve tampers are furnished and installed.  The patient elevator machine room in the penthouse, which is located on the roof of the building has three geared elevator machines. Escalator will be installed from the ground floor to the 1st floor.

 

Electrical

Dominion Virginia Power is in charge to set the South Patient Tower transformers  and pulled the primary feeders into the Existing Tower Building vault.  The six transformers are located outside the west side of the building. Truland Service was able to pull the feeders from the Transformers into the Switchgear in preparation for Permanent Power and continue to construct the Main Electrical Switchgear room. The building’s electrical loads are fed by two 2,000 kVA transformers located to the west of the building. There is 2,000kW emergency generator to serve the South Patient Tower.

 

Lighting

The main lighting fixture for the South Patient Tower are the T5 and T8 fluorescent and LED lights. The typical lights for the patient rooms are the 24watt double dulux tube down lights and the 40watt TT5 bulbs. For the common area, the main lighting fixtures are the 24watt DDT lamps and linear fluorescent lights.

 

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