Page 640 - Materials Chemistry, Second Edition

CAT3525_C21.qxd 1/27/2005 12:56 PM Page 611
Construction and Demolition Debris 611
Residential Nonresidential
renovation demolition
23% 33%

Nonresidential
renovation FIGURE 21.2 Generation of C&D
21% Residential debris from buildings (Franklin
Residential new demolition Associates, (EPA530-R-98-010,
construction Nonresidential new 15% 1998). Reproduced with kind per-
5%
construction mission of Franklin Associates,
3% Prairie Village, KS.)

TABLE 21.1
Summary of Estimated Building-Related C&D Debris Generation in1996

Source Residential Nonresidential Totals
Thousand tons % Thousand tons % Thousand tons %
Construction 6,560 11 4,270 6 10,830 8
Renovation 31,900 55 28,000 36 59,900 44
Demolition 19,700 34 45,100 58 64,800 48
Totals 58,160 100 77,370 100 135,530 100
Percent 43 57 100
Source: Franklin Associates, EPA530-R-98-010, 1998. Reproduced with kind permission of Franklin
Associates, Prairie Village, KS.

TABLE 21.2
Representative Sources of C&D Wastes

Site clearance materials (brush, tree, and stumpage materials)
Excavated materials (Earth, fill, and other excavated rock and granular materials)
Roadwork materials
Concrete slabs and chunks from concrete road construction
Asphalt chunks and millings from asphalt pavement
Bridge/overpass construction/renovation materials
New construction materials (residential, commercial, and industrial project sources)
Renovation, remodeling, or repair materials (residential, commercial, and industrial project sources)
Demolition materials including wrecking, implosion, dismantling and deconstruction (residential, commercial,
and industrial project sources)
Disaster debris
Source: Reproduced with kind permission from Gershman, Brickner and Bratton, Inc., Fairfax, VA.

the last two techniques depending on the materials used in the original project, the physical size of
the structure, the surrounding buildings that cannot be impacted, and project time. The entire weight
of a building, including the concrete foundations, plumbing, walls, electrical workings and so forth,
may be generated as C&D debris when a building is demolished.