Notes:
1. Exhaust/Return Air Grilles - Provide four exhaust air grilles, (but not less than two), in operating rooms as shown or locate them on center
of each wall of the operating room. The bottom of each exhaust air grille is to be seven inches above finished floor. See HVAC Design
Manual for Hospital Projects PG-18-10, for additional information.
2. Electrical Power Module - Provide a separate power module near the center of each wall of the operating room. Each power module is to
have 4 single power receptacles. These power receptacles are to be located 18 inches above finished floor. Provide power receptacles in
each utility column; quantity as required by VAMC. See Electrical Design Manual for Hospital Projects PG-18-10, for additional
information.
3. Articulating Utility Column(s) - Provide connections on each utility column as delineated in Chapter 286, Equipment Guide List PG-7610.
Provide data/communications connection for each utility column.
4. HVAC Controllers - Provide one of the two systems for controlling operating room temperature and humidity. The first system as indicated
on the utility plan. It involves locating a thermostat, a humidistat, and a recorder in the operating room. The second system involves
temperature and humidity sensors located in the operating room, with a recorder located remotely. See HVAC Design Manual for Hospital
Projects PG-18-10 for additional information.
5. Video Monitors - The increasing use of fluoroscopy in surgical procedures has increased the need for video monitors located in the vicinity
of the "sterile field". With x-ray film soon to be replaced by digitized images displayed on a video screen, the use of these monitors in
surgery will increase even further. This emerging technology is called "PACS" (Picture Archiving and Communications System). The
VAMC has a choice to make regarding these monitors. A set of video monitors can be mounted on a cart, or the set of flat screen
monitors can be mounted on an articulating arm that is suspended from the ceiling. The latter concept is shown on these guideplates. In
either case, the A/E is to determine utility requirements for the video system selected by the VAMC and the VHA program official. These
requirements include: power supply; provisions for grounding of the monitors and communications linkage to other areas of the hospital.
See Reflected Ceiling Plan Note 9 for a concept that links the Frozen Section area of the clinical laboratory with the video monitors in each
of the operating rooms.
6. Isolated Power Unit - Locate two (2) isolated power units near the corners of the room and diagonally opposite from each other. See
Electrical Design Manual for Hospital Projects PG-18-10 for additional information. Units shall be flush mounted - adjust wall depth to
accommodate unit.
7. Computer Terminal - Utility requirements for the in-room computer terminal are to be determined by the VAMC based upon the computer
system to be used, and this information is to be incorporated into the construction documents. The printer for the in-room computer
terminals is to be located remotely.
8. Laser Panel - It is understood that air cooled lasers are soon to replace water cooled lasers. For this reason, the future impact of air
cooled lasers on the design of the HVAC system must be considered by the designer. In spite of this anticipated change, water and
drainage should be provided in operating rooms where existing water cooled lasers are to be continued in use. Coordinate utility
requirements with laser manufacturer.
9. Zone Valve Box - Provide a separate medical gas zone valve box for each operating room in accordance with NFPA 99. Locate this
cabinet in the semi-restricted corridor near the door to the operating room it serves. See MCS, Division 15, Mechanical for a description.
10. Nitrogen Control Panel - See NFPA 99 and MCS, Division 15, Mechanical for information regarding this panel.
Design Guide - Surgical Service
Utility Plan Notes
Special Purpose Operating Rm
Guide Plate:
4-2d
MAX: 800 NSF (74.40 NSM)
MIN: 600 NSF (55.80 NSM)
MIN: 700 NSF (65.10 NSM) CARDIAC
Date: August 2005
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