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Planners Page 5 Apri121, 2003 4. Mitigation. If there is an effect, the applicant is expected to submit a "mitigation commitment." There are five types of mitigation. The ones we will most commonly see are "preservation" and "archaeological data recovery." "Preservation" means just that, but it will usually require some kind of mazking of the site and a suitable buffer, and establishment of an easement for the site. It may also include a prohibition against landscaping within the buffer and a requirement that the site be marked. If a site is deemed significant solely under "d", SHPD will usually authorize that the site can be destroyed either with no further work, or after "data recovery." "Data recovery" may mean a small test excavation in the floor of a cave, or it may mean that a wall or platform can be taken apart. After data recovery, the site can be destroyed. 5. Detailed Mitigation. There will typically be two phases of the mitigation plan: an "interim" plan, which is good for the construction period, and a "final" plan, which is the permanent mitigation. The "interim" plan may call for monitoring during construction. Sometimes the "interim" protection plan will be approved long before the final. For our purposes it is usually safe to assume that if a site is not protected in the interim plan, it will not be protected in the final plan. - 6. Verification. SHPD is supposed to verify that the mitigation plan has been implemented. For example, there should be a data recovery report by the azchaeologist. For private projects that may affect historic properties, and for which an inventory survey will be necessary, the private contract archaeologist will typically submit stages 1-4 to SHPD concurrently. The significance evaluation and proposed mitigation treatment will typically be contained in the inventory survey. The inventory survey, or sometimes a separate document, will usually have a table listing all the sites, the contract archaeologist's significance determination, and proposed mitigation (such as "preservation", "data recovery", or "no further work", which means that the site can be destroyed.) SHPD has a time frame for responding to each stage of the application. As staff, you should expect to see letters from SHPD concurring that (1) all historic sites have been found, and accepting the inventory report, (2) concurring with the assessment of significance, (3) concurring with the determination of effect, (4) concurring with the