Remedial design

Remedial Design
A phase of remedial action that follows the remedial investigation/feasibility study and includes development of engineering drawings and specifications for a site cleanup.
Remedial Investigation ...

Remedial Design (RD): A phase of site cleanup where engineers design the technical specifications for cleanup remedies and technologies.

Remedial Design and Remedial Action
The step in the cleanup process that follows the RI/ FS and selection of a remedy. A RD is the preparation of the engineering plans and specifications to implement the remedy.

The actual construction or implementation phase of a Superfund site cleanup that follows remedial design.
Source: Terms of the Environment
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See also: Site, Cleanup, Remedial action, Remedial investigation, Superfund