| Product and recycled content | Crushed Concrete Aggregate 100% Recycled Content |
| Application | Used as structural fill material under buildings Replaces (virgin) crushed rock |
| Location/Date | Regional Justice Center (RJC) Project Kent, Washington, 1994 |
| Project manager/user | Elizabeth Hill, Environmental Engineer |
| Architect/Engineer | Scott Hardman, Hong West (206)774-0106 |
| General Contractor | Chris Cristich, R.W. Rhine (206)537-5852 |
| Background, history | Project engineer saw similar application on another site. |
| Performance | Excellent. Stayed drier than new materials |
| Source of material | Demolition of existing paved areas and building slabs. |
| Quantity | 28,640 tons |
| Cost | Less |
| Cost savings or increase | Reduces disposal costs, cost of purchasing and trucking new material. |
| Installation, costs/savings | Same amount of time for installation Less money and time for trucking |
| Source of extra funds | None |
| Would you buy this product again? | Yes, if product met project requirements. |
| Why or why not? | Performed well; less cost; stays drier; and good reuse of material |
| Comments | Material can't be reused as many times; Environmental and geotechnical issues need to be evaluated. |
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