Computer centers are electronic data processing plants, including ancillary offices. Most facilities will have a rather plain exterior appearance with little fenestration. The cost and quality selection will depend primarily on the amount of interior finish. An amount of raised computer floors are included, commensurate with the quality level.
The better qualities have a large amount of good support rooms and many offices.
Availability of Elevators by Area for this occupancy: No
Marshall Valuation Service sections: 14 and 44.
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Class |
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Quality |
A |
B |
C |
D |
H |
M |
P |
S |
W |
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Low |
45 |
45 |
40 |
35 |
-- |
-- |
-- |
35 |
-- |
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Average |
45 |
45 |
40 |
35 |
-- |
-- |
-- |
35 |
-- |
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Good |
50 |
50 |
45 |
40 |
-- |
-- |
-- |
40 |
-- |
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Excellent |
50 |
50 |
45 |
40 |
-- |
-- |
-- |
40 |
-- |
Class A (Fireproof Structural Steel Frame): and Class B (Reinforced Concrete Frame):
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Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
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Low |
Low-cost brick, structural tile, block, concrete panels |
Painted walls, large open areas, offices and support rooms |
Fluorescent lighting, minimum plumbing, back-up power |
Warm and cool air (zoned) |
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Average |
Brick, block, concrete panels, low-cost metal panels |
Painted walls and ceilings, raised floors, office and support rooms |
Fluorescent lighting, adequate restrooms and plumbing, UPS |
Hot and chilled water (zoned) |
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Good |
Face brick, metal panels, good concrete panels, ornamentation |
Drywall or plaster, raised floors, good support rooms and offices |
Good lighting, many outlets, adequate plumbing, UPS, EPS |
Hot and chilled water (zoned) |
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Excellent |
Good curtain walls, good brick and metal, with ornamentation |
Plaster, acoustic ceilings, raised floor, much office space |
Fluorescent lighting, many outlets, good plumbing, UPS & EPS |
Hot and chilled water (zoned) |
Class C (Masonry Bearing Walls):
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Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
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Low |
Low-cost brick, concrete, block, tilt-up, very plain |
Minimum finish and detail, small office and support areas |
Minimum lighting, plumbing and uninterrupted power supply |
Package A.C. |
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Average |
Brick, block, concrete, load-bearing walls or frame |
Gypsum board, raised floors, adequate office and support areas |
Adequate lighting & plumbing, back-up power supply |
Warm and cool air (zoned) |
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Good |
Masonry or concrete, some ornamentation, steel frame |
Plaster, raised floors, good support rooms and detail |
Fluorescent lighting, adequate restrooms, plumbing, UPS & EPS |
Warm and cool air (zoned) |
Class D (Wood or Steel Framed Exterior Walls):
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Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
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Low |
Bearing studs and stucco or wood siding, very plain |
Minimum finish and detail, small office and support areas |
Minimum lighting, plumbing and uninterrupted power supply |
Package A.C. |
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Average |
Light frame or studs, stucco, siding, EIFS |
Drywall or plaster, raised floors, adequate office and support areas |
Fluorescent lighting, adequate plumbing, back-up power |
Warm and cool air (zoned) |
Class S (Metal Frame and Walls):
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Quality |
Exterior Walls |
Interior Finish |
Mechanicals |
HVAC |
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Average |
Steel frame, transite, steel siding or sandwich panels |
Drywall or plaster, raised floors, adequate office and support areas |
Adequate lighting & plumbing, back-up power supply |
Warm and cool air (zoned) |