Laserfiche WebLink
Pond 016 Slide Remediation Plan <br />TR-73 Response to Adequacy Comments-2"d Round <br />Page 3 <br />7. Response previously accepted <br />8. Response previously accepted <br />9. Response previously accepted <br />10. Response previously accepted <br />11. Response previously accepted <br />12. Response previously accepted <br />13. Response previously accepted <br />14. Response previously accepted <br />15. Response previously accepted <br />16 SCC responds that this is simply an area where materials excavated during the slide <br />remediation will be placed onto previously graded spoils within areas previously mined. <br />Please describe the foundation preparation, methods of placement, and the type of <br />compactive effort that will be employed for these materials in order to guarantee stability of <br />the fill. <br />Response: The foundation preparation will be comprised of topsoil removal with scrapers or <br />pushed aside with a dozer until the excavated material has been placed and graded. The fill <br />material will be placed with scrapers and/or trucks onto approximately 100 foot thick existing <br />graded spoils. <br />There is no guarantee of stability, based on the fact that native undisturbed materials are sliding <br />all around the area. Compacted material placed on top of 100 feet of un-compacted backfilled <br />overburden material does not "guarantee" stability. <br />17. Response previously accepted <br />18. Response previously accepted <br />19. Response previously accepted <br />20. Response previously accepted <br />21. Response previously accepted <br />Seneca Coal Company • P.O. Box 670 • Hayden, Colorado 81639 <br />Telephone (970) 276-5219 • FAX (970) 276-5222 <br />