Selective demolition : a report for the maintenance assay of Floyd Hall


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Selective demolition : a report for the maintenance assay of Floyd Hall
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Mixed Material
Department of Architecure, University of Florida
Department of Architecure, University of Florida
Place of Publication:
Gainesville, Fla.
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University of Florida
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University of Florida
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A Report for the Maintenance Assay of Floyd Hall
ARC 5810 Documentation

Spring 1985

Professors Reeves, Shepard, Tate

Bys Sheila M. Rowley



Selective demolition is a step in the building process which includes

historical research and documentation, building survey, and structural ana-

lysis. Under the heading of building survey are visual examination and manu-

al testing, or selective demolition. Visual examination provides clues to

potential problem areas and gives an idea of the general building condition.

Selective demolition is the follow-up of the visual examination to allow clo-

ser inspection, As part of the architectural field services, selective demo-

lition is usually done under separate contract. It is an extra service per-

formed by the architect with the aid of an engineer where necessary.

In general there are two categories of information which selective demoli-

tion may supply. First, it may be used to verify the location of structure

which is shown on the original drawings but is not exposed. Inspection will

confirm whether the "as-built" condition agrees with the original design, or

whether alterations were made. Second, it may be used to determine the condi-

tion of critical structural members, especially where deterioration is suspect-

ed. A reasonable number of members over a range of areas should be examined in

order that they be representative of the whole structure.

The selective demolition process will involve the removal of finish materi-

als, i.e., wall plaster, flooring tiles, and suspended ceilings. It should be

planned for locations where the investigation of the structure is most indica-

tive of likely conditions and least disruptive. Where possible the new openings

should be made in places that could be easily repaired. Unfinished areas, i.e.,

utility closets, maintenance spaces, basements, attics, and crawl spaces, and

areas which have damaged or deteriorated material should not be overlooked as

sources for information about the building materials.



A. Foundations
1. corners of building
2. columns and piers
3. exterior walls (footings)
4. chimney

B. Exterior Walls
1. joist connections
2. arches over windows

C. Floors
1. spacing of joists
2. concrete floors

D. Columns
1. locations in walls (all three floors)
2. continuous structure (from floor-to-floor)

E. Roof
1. dormer connections
2. exterior wall connections

F. Chimney and Vent Flues
I1 location and dimensions
2. continuous chase in walls


A. Masonry
i. structural distress
2. surface deterioration
3. missing material

B. Wood
i1 shrinkage, deflection, and warping
2. insect infestation and rot
3. tests (partially destructive to building fabric)

Demolition to occur only where the area is not accessible through existing
openings, such as closets on the third floor, crawl spaces, or the attic.

Reference materials

Laurence E. Reiner, How to Recycle Buildings (New Yorks McGraw-Hill, Inc.,
1979), PP. 51-7.

"Rehabilitation Guideline for Structural Assessment," Draft (Washington, DCs
National Institute for Building Standards, 1982), pp. 4-11.


The demolition process would take place after the new program and design

had been completed. Demolition could occur in two phases under separate con-

tracts. The first phase would involve the removal of loose debris and unusa-

ble or surplus materials, leaving a structural shell. The second phase would

involve the removal of parts of the structure as required due to poor condi-

tion or by design.


A. Electrical System
1. wiring
2. outlets
3. fixtures

B. Mechanical System
1. pipes and ducts
2. machinery
3. fixtures

C. Partition Walls

D. Finish Materials (where original material is obscured or deteriorated)
1. floors
2. ceilings
3o walls

E. Furnishings
1. finished woodwork/cabinets
2. doors and windows
3. hardware


A. Deteriorated Members and Fabric

B. Extraneous Structure
1. unsympathetic alterations
2. temporary or patch construction

Salvage where possible. Items to be cleaned, repaired, refinished, and re-
used in accordance with new design.

Reference materials
Levitt Bernstein Associates, Supervisor's Guide to Rehabilitation and Con-
version (London. The Architectural Press, Ltd., 1978), pp. 13-16.