Floor- or Furniture-Mounted Fixtures. Floor-supported pedestals or
furniture-mounted fixtures (indirect) eliminate fixtures from the ceiling
plane. Lighting design may be disrupted by relocation of furniture as changes
occur (Figure 8).
Task Lighting. Task lighting or lighting for use on a particular
task or work area supplements general ambient lighting. Placement and design
of the fixture and lens should prevent glare and veiling reflections
Accent Lighting. Provide selected accent lighting on vertical
surfaces to add shape and focus to the space.
General Maintained Light Levels. This information is further
defined to provide the following general maintained light levels:
general ambient (overall light level in corridors and non-task-related areas)
- 30 footcandles, (consider that screening panels will cast shadows and reduce
effective light levels), worksurfaces - 50 footcandles, and conference or
meeting areas - 30 footcandles:
Acoustics. Provide acoustical control in compliance with NAVFAC
DM-1.03, Architectural Acoustics. In the administration facility, consider
provisions to provide normal speech privacy (defined as the ability to hear
conversations in adjacent workspace without understanding the overall meaning
and content) in open plan and office areas; provide control for airborne and
structure-borne noise from equipment.
Noise Transfer. Plan offices and locate workstations with adequate
distance and entry orientation to minimize noise transfer.
Acoustically Absorbent Ceilings. In open areas, provide
acoustically absorbent ceilings and select light fixtures that will minimize
Consider masking sound for open plan areas. (Refer
Acoustical Hoods and Isolation Pads. Provide acoustical hoods or
isolation pads for printers and equipment generating impact noise.
Materials and Finishes. Specifications for interior materials and
finishes shall comply with NAVFAC DM-1 Series.
Furnishings. Furniture selections should be made to best support
the activities being performed in the office or workstation. These activities
will vary depending on the job responsibilities. Some typical functional job
categories are management, professional, technical, data entry, clerical, etc.