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Construction and Demolition Case Study: Presidio of San Francisco

Materials Recovered

 

On September 1, 1996, a final summary was made of the amounts of wood recovered from Building 901. The information is contained in the table below.

Member/Species Dimension Volume Volume Recovered
(% Recovered)
Roof Plank (T&G)/Pine-Fir 1" x 8" x 10'-15' 
1" x 12" x 10'-15'
4800 bf 
4800 bf
1200 bf (25%) 
2400 bf (50%)
Wall Plank /Ponderosa Pine 1" x 10" x 6'-10' 
1" x 12" x 6'-16'
1200 bf 
2600 bf
1100 bf (90%) 
2500 bf (95%)
LDF Wall, Peak Liner/Unk. 1" x 4' x 8' 300 sheets 0 (0%)
Firring/Port Orford Cedar 1" x 2" x 6'-10' 200 bf 10 bf (5%)
Interior Ply/ Doug Fir 0.25" x 4 'x 8' 
0.5" x 4 'x 8'
55 sheets 
8 sheets
52 sheets (95%) 
8 sheets (100%)
Non-Struct. Framing/Doug Fir 2" x 4" x 8'-12' 500 bf 450 bf (90%)
Ridge, Purlin /Doug Fir 2" x 10" x 20' 2350 bf 1700 bf (70%)
Rafter/Doug Fir 2" x 8" x 14' 
2" x 8" x 20'
2800 bf 
4000 bf
2670 bf (95%) 
3800 bf (95%)
Cross-tie, Stud/ Doug Fir 2" x 8" x 16' 2000 bf 1950 bf (95%)
Post/Doug Fir 6" x 6" x 13' 
6" x 6" x 16'
1400 bf 
1700 bf
1400 bf (100%) 
1680 bf (99%)
Brace/Doug Fir 2" x 6" x 12' 3000 bf 2700 bf (90%)
Stud, Ceiling Joist/Fir-Pine 2" x 6" x 10' 1500 bf 1350 bf (90%)
Stud,Ceiling Joist/Redwood 2" x 6" x 8' 600 bf 540 bf (90%)
Siding/Redwood 1" x 6" x 6'-20' 1600 bf 1200 bf (75%)
Ext. Deck,Joist, Facia/ S-P-F 2" x 4" x 6'-14' 
2" x 12" x 14'
500 bf 
1100 bf
0 bf (0%) 
1080 bf (99%)
Flooring (T&G)/ Doug Fir 1" x 4" x 3' 45 bf 45 bf (100%)
Flooring(T&G)/ Port Orford Cedar 2" x 8" x 12'-24' 15,600 bf 15,500 bf (99%)
Floor Joist/ Doug Fir 2" x 12" x 14' 21,400 bf 21,300 bf (99%)
Sill/ Pine 2" x 6" x 14' 800 bf 720 bf (90%)
Total 75,295 bf 65,295 bf (87%)

Information contained in Table 1 was provided by San Francisco Community Recyclers and Wood Resource Efficiency Network.

Table of Contents | Next: Project Economics >

 

Last updated: November 01, 2007


Construction & Demolition Debris Recycling http://www.ciwmb.ca.gov/ConDemo/
C&D Program Staff: condemo@ciwmb.ca.gov (916) 341-6452