Howard county general hospital
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Howard County General Hospital. Schematic Design Proposal Casey Schardt. Project Information. Location: Columbia, Maryland Size: 81,000 square foot addition , and 44,000 square foot renovation to an existing 230,000 square foot facility Cost: $20 Million Construction Cost

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Howard county general hospital

Howard County General Hospital

Schematic Design Proposal

Casey Schardt


Project information

Project Information

  • Location: Columbia, Maryland

  • Size: 81,000 square foot addition , and 44,000 square foot renovation to an existing 230,000 square foot facility

  • Cost: $20 Million Construction Cost

  • Constructed between September 2000 and July 2003.

  • New Emergency Dept., Birthing Dept., Neonatal ICU, Pediatric Nursing Unit, and expanded Imaging Dept.


Redesigned spaces

Redesigned Spaces

  • Lobby/Reception Area: Includes reception desk, waiting room, vending area, and connecting corridors

  • Nurse Station: Features 2 desk areas open to the surrounding corridor, and an enclosed charting area

  • Conference Room: To be designed to accommodate meetings, audiovisual presentations, and video conferencing


General considerations

General Considerations

  • Cost/Efficiency

    • It is important to minimize costs while maintaining quality of all systems.

    • This includes initial costs, maintenance costs, and operational costs (power consumption)

  • Age of Occupants

    • Increased light levels to accommodate the elderly.

    • Increased uniformity (older eyes are more sensitive to glare sources.

  • Atmosphere

    • It is important to keep the hospital as uplifting as possible, to ease the feelings of anxiety and depression that the patients may be experiencing.

    • An appearance of cleanliness should be conveyed.


Lobby reception area

Lobby/Reception Area

Children’s Area

Vestibule

Waiting Area

Bulkhead over desk

Reception

Vending


Lobby reception area visual tasks

Lobby/Reception AreaVisual Tasks

  • Reception Desk

    • Reading, Paper tasks

    • Interaction with patients

    • VDT use

  • Waiting Area and Vending Area

    • Light Reading

    • Relaxing

  • Corridor

    • Orientation


Lobby reception area design criteria

Lobby/Reception AreaDesign Criteria

  • Reception Desk

    • Ambient Illuminance: 30 fc

    • Illuminance on Desk: 50 fc

    • Low uniformity (4:1) on surfaces to minimize veiling reflections both in paper tasks and VDTs

    • Minimal direct glare

    • Good color and modeling of faces


Lobby reception area design criteria1

Lobby/Reception AreaDesign Criteria

  • Waiting/Vending Areas

    • Local level of 30 fc available for reading

    • Minimal glare to reduce veiling reflections in reading material, such as the glossy pages of magazines

  • Corridor

    • At least 5 fc for orientation


Reception area

Reception Area

Fluorescent Louvered Slots

(in bulkhead)

Semi-Indirect Pendant


Reception area1

Reception Area

  • The semi-indirect pendant is to provide the receptionists with an ambient light level, while minimizing veiling reflections in their VDTs

  • The fluorescent slots are to provide the necessary additional light on the desk surface, while minimizing glare and veiling reflections from the horizontal surface.


Reception area2

Reception Area

Uniform background minimizes veiling reflections in VDT screens

Veiling Reflections are harmlessly bounced upward


Waiting area

Waiting Area

Table Lamps

TV

Paintings with spotlights

Indirect Pendants

TV


Waiting area1

Waiting Area

  • The semi-indirect pendants are to provide ambient light levels in the waiting area. They also provide a bright ceiling to convey a brighter appearance to the room.

  • Table Lamps are provided to allow the user to increase the light level for reading. They also convey a more comfortable residential mood.

  • Paintings with spot lights are added to contribute some visual interest to the space for patients to take their mind off waiting.


Lobby reception area1

Lobby/Reception Area

  • Corridor and Vending Area

    • These spaces will also have the same pendants to match the waiting area and reception desk.

  • Color

    • The standard CCT for the hospital is 4100 K, however this area is to have a lower CCT of 3500 to give the space a less intimidating, more residential atmosphere.


Nurse station

Nurse Station

Corridor

Charting

Nurse Station

Nurse Station

Staff Corridor


Nurse station section

Nurse StationSection


Nurse station visual tasks

Nurse StationVisual Tasks

  • Nurse’s Desk

    • Reading, Paper tasks

    • Interaction with patients

    • VDT use

  • Charting

    • Heavy VDT use

    • Also reading (paper tasks)

  • Corridor

    • Orientation


Nurse station design criteria

Nurse StationDesign Criteria

  • Nurse’s Desks

    • Ambient Illuminance: 30 fc

    • Illuminance on Desk: 50 fc

    • Low uniformity (4:1) on surfaces to minimize veiling reflections both in paper tasks and VDTs

    • Minimal direct glare

    • Good color and modeling of faces


Nurse station design criteria1

Nurse StationDesign Criteria

  • Charting

    • Ambient Illuminance: 30 fc

    • Low uniformity (4:1) on surfaces to minimize veiling reflections both in paper tasks and VDTs

    • Minimal direct glare

  • Corridor

    • At least 5 fc for orientation


Nurse station1

Nurse Station

Fluorescent Louvered Slots

(in bulkhead)

Linear Semi-Indirect Pendants


Nurse station2

Nurse Station

  • The linear semi-indirect pendants are to provide the nurses with an ambient light level, while minimizing veiling reflections in their VDTs

  • The fluorescent slots are to provide the necessary additional light on the desk surface, while minimizing glare and veiling reflections from the horizontal surface.


Nurse station3

Nurse Station

  • Corridor

    • 2x4 lensed troffers will be used in the surrounding corridor spaces.

  • Color

    • The hospital’s standard CCT of 4100 K will be used for the nurse station and surrounding corridors.


Conference room

Conference Room

Projection Screen

Marker Board

PC Monitor

TV


Conference room visual tasks

Conference RoomVisual Tasks

  • Meeting

    • Reading, Paper tasks

    • Personal Interaction

  • Presentations

    • Projection Screen

    • Marker Board

    • Television and PC Monitors

  • Videoconferencing

    • Viewing Monitor

    • Camera Considerations


Conference room design criteria

Conference RoomDesign Criteria

  • Horizontal Illuminance of 50 fc on table

  • Vertical Illuminance of 30 fc on faces

  • Vertical Illuminance of 30 fc on white board

  • Good uniformity on faces for videoconferencing

  • Minimal veiling reflections on VDTs and paper tasks

  • Good color and modeling of faces


Conference room1

Conference Room

Semi-Indirect Pendants

Wall Slot

Wallwash Downlights


Conference room2

Conference Room

  • The linear semi-indirect pendants are to provide light to the table and give the ceiling a high uniform illuminance

  • The wallwash downlights, along with the pendants provide indirect light delivering light to the background, and contributing to a high uniform vertical illuminance.

  • The wall slot is simply to provide light to the white board when necessary


Conference room3

Conference Room

  • The table surface is to have a high reflectance which will help to reflect some light to the underside of people’s faces, increasing uniformity

  • The wallwash downlights and the direct light from the pendants deliver a direct component for better facial modeling.

  • Dimming controls will be provided to achieve various scenes for each of the different uses of the space


Overall lighting design

Overall Lighting Design

  • There are many ways that the efficiency of the lighting system can be improved.

  • For example, downlights with 2 horizontal compact fluorescent lamps are used extensively throughout the building. These fixtures have an efficiency of 39%.

  • 1x4 linear fluorescent fixtures, which are much less efficient than 2x4 fixtures are also used in many locations

  • The benefits of using more efficient fixtures will be examined.


Overall lighting design1

Overall Lighting Design

  • T-5 lamps can be used in many types of fixtures also to increase their performance.

  • More dimming controls will be added in many spaces to allow the users to reduce the amount of light they use, if desired, especially in those spaces with available daylight.

  • Automatic shutoff devices, such as occupancy sensors will be added in spaces where energy can be saved when no one is in the room.


Electrical design

Electrical Design

  • The emergency power loads will be calculated.

  • A new emergency generator will be sized for the addition (the facility’s existing generator was accurate, but I’ll design one assuming it wasn’t).


Electrical design1

Electrical Design

  • An uninterruptible power source will be designed to serve the radiology equipment (currently when the generator starts up, the small power fluctuation affects this sensitive equipment.)

  • Panels located in the interstitial spaces will be eliminated and served from panels in other locations.


Electrical design2

Electrical Design

  • New load calculations will be done to account for reduced lighting loads due to installing more efficient systems.


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