This is a student-generated Capstone Project e-Portfolio (CPEP) produced in conjunction with the AE Senior Thesis e-Studio.
     

User Note:

Note: While great efforts have been taken to provide accurate and complete information on the pages of CPEP, please be aware that the information contained herewith is considered a work-in-progress for this thesis project. Modifications and changes related to the original building designs and construction methodologies for this senior thesis project are solely the interpretation of Josh Behun. Changes and discrepancies in no way imply that the original design contained errors or was flawed. Differing assumptions, code references, requirements, and methodologies have been incorporated into this thesis project; therefore, investigation results may vary from the original design.


Building Statistics

 

Building Name :

St. Elizabeth Boardman Campus Inpatient Facility

Location :

Boardman, Ohio

Building Occupant :

Humility of Mary Health Partners

Occupancy Type :

Hospital

Size :

250,000 square feet

Number of Stories :

Seven stories + penthouse

Project Start/End Dates:

October 2005 - August 2007

Project Cost:

$65 Million, excluding 7th story interior fit-out

Project Team :  
Structural Engineer :
Atlantic Engineering
Mechanical Engineer :
Scheeser, Buckley, Mayfield, LLC
Owner :
Humility of Mary Health Partners
Lead Architect :
Moody-Nolan, Inc
Local Architect :
Strollo Architects
General Contractors :
Boardman Construction Partners, LLC
  (a joint venture between)
  - Alex Downie & Sons Co.
  - The Albert M. Higley Co.
   
Project Delivery Method :

Design - Bid - Build

Zoning :

Commercial

Codes Used :

Ohio Building Code 2005

International Building Code 2003

Architecture :

Seven story building with a primarily brick facade and a curvilinear wall on the north elevation consisteing of an aluminum panel curtain wall system.

Structure :

The St. Elizabeth Hospital Inpatient Facility is a seven story addition to an already existing 2 story building.  The structure for the new addition begins with a foundation of 50 ton capacity 16” diameter auger cast grout injected piles spaced in clusters at an average of about 30’, with reinforcement extending 18” into pile caps and grade beams with cast in place concrete piers at the base of the subsurface.  Several of the concrete column piers are to be constructed on existing footings from the original building, subsequent reinforcing bars are to be drilled and grouted into the existing footings with Hilti epoxy adhesives, providing a minimum embedment of 8”.

The Superstructure of the St. Elizabeth Hospital Inpatient Facility is a steel frame building with a two-way slab floor system comprised of a 4” light weight concrete slab on 2” – 20 gage galvanized composite decking with 5” long ¾” shear studs and a 6x6-W2.1xW2.1 welded wire fabric reinforcement system.  The majority of the beams for the floor framing are 21” in depth.  The girders for the building are on average W30x90 where the façade is brick and W18x40 where the outer façade is the aluminum panel curtain wall system.  The floor to floor height of each story two through seven is 14’-8” tall while the floor to floor height for the first floor is 15’-4” in height.  The typical column size for the building is within the range of W12x40 to W12x136, while there are a minimal number of W10 and W14 columns throughout the atypical areas of the new addition. 

The lateral bracing system consists primarily of chevron bracings comprised of HSS bars ranging in size from 5x5 to 8x8 with a 3/8 thickness. Also included throughout the bracing system are a small amount of knee bracings 5x5 in size and a number of cross bracings that range in size from 5x5x3/8 to 9x9x1/2.

The roofing system for the hospital addition is a flat roof which consists of structural steel members similar to that of the floor system.  The area where the HVAC units rest has a slab of 4½” light weight concrete on 2”- 20 gage galvanized composite decking with 6x6-W2.1xW2.1 welded wire fabric reinforcement.  While the remainder of the roof area, including the penthouse roof, is constructed of 1½”-20 gage galvanized wide ribbed steel roof deck.

 

Construction :

The delivery method for the St. Elizabeth Hospital addition is described as Design-Bid-Build; with the Alex Downie & Sons Company and The Albert M. Higley Company serving as the general contractors in a joint venture known as the Boardman Construction Partners.  The site around the original existing building was cleared and prepared for construction beginning in November of 2005 with a scheduled completion date set for August of 2007.  There was an existing building to work around, with an existing foundation that was tied into and used to help support the foundation of the new addition.  The construction began by correctly situating the new foundation amongst the existing foundation, making note not to disturb the current system in place.  Following the subsurface construction, the cranes were brought in and the erection of the steel framing for the seven story addition could begin.


The initial plans for the hospital addition have also included a second tower, similar to the one that is being analyzed in this dissertation, which does not currently have a projected time to be built but has been anticipated if the needs of the current building call for another large expansion.

 

Mechanical :

The mechanical system of the new hospital is comprised of three local systems contained within different areas of the building for handling the building’s indoor environment.  The most noticeable system is a set of railing enclosed roof top units that control the heating and air conditioning for the seven story addition.  There are also two mechanical rooms housed within the building for more localized air quality control.  The first of which is located on the second floor and consists of three air handling units for controlling air quality throughout the entire building, while the other mechanical room is housed on the third floor and contains one air handling unit as well as two large chillers and 6 boilers to provide comfortable heating and cooling environments for their patients through all seasons.  All air quality is controlled in each room by VAV boxes to meet minimum air quality standards by code.

 

Lighting :

The lighting system in the hospital consists primarily of linear fluorescent fixtures running on a 277 volt system with local line volt switching.  All exit signs utilize LED technology to minimize input wattage.

 

Electrical :

The electrical scheme for the hospital is run from a local line supplied by First Energy through an underground system into the building.  It runs from an initial 12470 volt system with standard distribution through two substations, one with a 480/277 volt, 3 phase, 4 wire secondary and another with a 208/120 volt, 3 phase, 4 wire secondary.  The hospital also utilizes a backup 2000 kilowatt diesel generator system with 3 transfer switches comprising the essential power distribution for the critical power, life safety, and equipment branches in case of emergency.

Fire Protection :

One of the fire protection systems in use in the building is a visual voice fire alarm evacuation system.  It is required by Ohio state law that all high rise buildings utilize an evacuation system based on actual voice prompting instead of the old style of bells or lights.  For this system the hospital contains a fire command center where, in case of emergency, a chief fire fighter can view visual displays of where smoke or a fire is located in a building and instruct his team on how to effectively extinguish the problem, as well as provide the public with evacuation information for quickly and safely exiting the building.  In addition to the command center, there are input jacks near every stairwell where a fire fighter can input a handset and communicate directly with the fire command center.  For any hearing impaired visitor who may be in the building there is also a system of strobe lights throughout the hallways, spaced at every 100 feet along the path of egress, as well as in every restroom to help aid the evacuation process.  Aside from informational systems the building is also equipped with an engineered smoke control system in every stairwell that, in case of emergency, will pump pressurized air into the stairwell to keep smoke from billowing into the stairwell as visitors are escaping into them.

Transportation :

The transportation system for the new hospital addition is made up of a localized collection of elevators as well as two sets of stairs at either end of the building.  The elevators are located at the far eastern side of the building and are separated into two groupings.  The first set of elevators are 6’x6’, while the second set of elevators are 6’x8’.  Each elevator has an open shaft directly adjacent to it which leaves room for a future elevator to be installed, making the grand total for planned elevators to eventually be four 6’x6’ and four 6’x8’.  The elevator’s mechanical system is controlled by a hoist method that consists of a counter weight on a pulley with a motor driving the system.

 

Telecommunications :

There are several telecommunications systems in place throughout the building to help make the patients stay more comfortable, and the doctors and nurses jobs a bit easier.  The first of which is a nurse calling system. This system, located throughout the building, has several call points in every patient room and connects back to a central nurses station on every floor, keeping the nurses more connected to their patient’s needs.  Each patient’s room has a “pillow speaker” that allows for two-way communication with the nurses, as well as a one-way call button located in the bathroom which will contact a nurse in case of an emergency.  A call to the nurse can only be turned off in the patient’s room, making it possible to keep track of the amount of calls placed by a patient or the time lapse between a call and the nurse’s attention.  In addition to the central nurse’s station at every floor, the call system also gets directed straight to the nurse’s pager, so that if the nurses are away from their station or with other patients when an emergency arises they can be notified immediately.  Another key telecommunications system in the hospital is the phone system that allows calls to be made within the building, from any incorporated phone, by simply entering a person’s extension number and also allows an official within the hospital make announcements over the intercom system that projects throughout the building.

 

 

   
   

 

 

  

   
 

 

 

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This page was last updated on November 26, 2007, by Josh Behun and is hosted by the AE Department ©2008